/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/hard-u_unwindbound2.c -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-e106359-m [2022-04-15 03:23:31,716 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-04-15 03:23:31,718 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-04-15 03:23:31,761 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-04-15 03:23:31,761 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-04-15 03:23:31,763 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-04-15 03:23:31,766 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-04-15 03:23:31,770 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-04-15 03:23:31,772 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-04-15 03:23:31,775 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-04-15 03:23:31,776 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-04-15 03:23:31,777 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-04-15 03:23:31,777 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-04-15 03:23:31,777 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-04-15 03:23:31,778 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-04-15 03:23:31,779 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-04-15 03:23:31,779 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-04-15 03:23:31,780 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-04-15 03:23:31,781 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-04-15 03:23:31,782 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-04-15 03:23:31,783 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-04-15 03:23:31,786 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-04-15 03:23:31,787 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-04-15 03:23:31,789 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-04-15 03:23:31,791 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-04-15 03:23:31,801 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2022-04-15 03:23:31,809 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-04-15 03:23:31,810 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-04-15 03:23:31,812 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-04-15 03:23:31,813 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/loopacceleration/qvasr/qvasr_64.epf [2022-04-15 03:23:31,834 INFO L113 SettingsManager]: Loading preferences was successful [2022-04-15 03:23:31,834 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-04-15 03:23:31,835 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-04-15 03:23:31,835 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-04-15 03:23:31,836 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-04-15 03:23:31,836 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-04-15 03:23:31,836 INFO L138 SettingsManager]: * Use SBE=true [2022-04-15 03:23:31,837 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-04-15 03:23:31,837 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-04-15 03:23:31,837 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-04-15 03:23:31,838 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-04-15 03:23:31,838 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-04-15 03:23:31,838 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-04-15 03:23:31,838 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-04-15 03:23:31,838 INFO L138 SettingsManager]: * Use constant arrays=true [2022-04-15 03:23:31,838 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-04-15 03:23:31,838 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-04-15 03:23:31,838 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-04-15 03:23:31,839 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-04-15 03:23:31,839 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-04-15 03:23:31,839 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-04-15 03:23:31,839 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-04-15 03:23:31,840 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-04-15 03:23:31,840 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-04-15 03:23:31,840 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-04-15 03:23:31,840 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-04-15 03:23:31,840 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-04-15 03:23:31,840 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-04-15 03:23:31,841 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2022-04-15 03:23:31,841 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.core: Log level for class -> de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=WARN; [2022-04-15 03:23:32,077 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-04-15 03:23:32,100 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-04-15 03:23:32,101 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-04-15 03:23:32,102 INFO L271 PluginConnector]: Initializing CDTParser... [2022-04-15 03:23:32,103 INFO L275 PluginConnector]: CDTParser initialized [2022-04-15 03:23:32,104 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/nla-digbench-scaling/hard-u_unwindbound2.c [2022-04-15 03:23:32,155 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c756dac62/c9ddd85552d64f7f8a53e5551b91efac/FLAG90ade31f9 [2022-04-15 03:23:32,593 INFO L306 CDTParser]: Found 1 translation units. [2022-04-15 03:23:32,594 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/nla-digbench-scaling/hard-u_unwindbound2.c [2022-04-15 03:23:32,599 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c756dac62/c9ddd85552d64f7f8a53e5551b91efac/FLAG90ade31f9 [2022-04-15 03:23:32,617 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c756dac62/c9ddd85552d64f7f8a53e5551b91efac [2022-04-15 03:23:32,619 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-04-15 03:23:32,621 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-04-15 03:23:32,623 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-04-15 03:23:32,624 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-04-15 03:23:32,627 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-04-15 03:23:32,628 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.04 03:23:32" (1/1) ... [2022-04-15 03:23:32,629 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2a2f1fd7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.04 03:23:32, skipping insertion in model container [2022-04-15 03:23:32,629 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.04 03:23:32" (1/1) ... [2022-04-15 03:23:32,635 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-04-15 03:23:32,650 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-04-15 03:23:32,788 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/nla-digbench-scaling/hard-u_unwindbound2.c[537,550] [2022-04-15 03:23:32,814 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-04-15 03:23:32,820 INFO L203 MainTranslator]: Completed pre-run [2022-04-15 03:23:32,829 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/nla-digbench-scaling/hard-u_unwindbound2.c[537,550] [2022-04-15 03:23:32,837 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-04-15 03:23:32,847 INFO L208 MainTranslator]: Completed translation [2022-04-15 03:23:32,848 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.04 03:23:32 WrapperNode [2022-04-15 03:23:32,848 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-04-15 03:23:32,850 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-04-15 03:23:32,850 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-04-15 03:23:32,850 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-04-15 03:23:32,859 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.04 03:23:32" (1/1) ... [2022-04-15 03:23:32,859 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.04 03:23:32" (1/1) ... [2022-04-15 03:23:32,872 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.04 03:23:32" (1/1) ... [2022-04-15 03:23:32,873 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.04 03:23:32" (1/1) ... [2022-04-15 03:23:32,883 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.04 03:23:32" (1/1) ... [2022-04-15 03:23:32,887 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.04 03:23:32" (1/1) ... [2022-04-15 03:23:32,888 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.04 03:23:32" (1/1) ... [2022-04-15 03:23:32,889 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-04-15 03:23:32,890 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-04-15 03:23:32,890 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-04-15 03:23:32,890 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-04-15 03:23:32,898 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.04 03:23:32" (1/1) ... [2022-04-15 03:23:32,904 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-04-15 03:23:32,913 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-04-15 03:23:32,927 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) [2022-04-15 03:23:32,929 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 [2022-04-15 03:23:32,958 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2022-04-15 03:23:32,959 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-04-15 03:23:32,960 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2022-04-15 03:23:32,960 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-04-15 03:23:32,960 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2022-04-15 03:23:32,960 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2022-04-15 03:23:32,960 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2022-04-15 03:23:32,961 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2022-04-15 03:23:32,961 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2022-04-15 03:23:32,962 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-04-15 03:23:32,962 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uint [2022-04-15 03:23:32,962 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-04-15 03:23:32,962 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2022-04-15 03:23:32,963 INFO L130 BoogieDeclarations]: Found specification of procedure main [2022-04-15 03:23:32,963 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2022-04-15 03:23:32,963 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-04-15 03:23:32,966 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-04-15 03:23:32,966 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-04-15 03:23:32,966 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-04-15 03:23:32,966 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-04-15 03:23:33,016 INFO L234 CfgBuilder]: Building ICFG [2022-04-15 03:23:33,017 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-04-15 03:23:33,224 INFO L275 CfgBuilder]: Performing block encoding [2022-04-15 03:23:33,230 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-04-15 03:23:33,230 INFO L299 CfgBuilder]: Removed 2 assume(true) statements. [2022-04-15 03:23:33,231 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.04 03:23:33 BoogieIcfgContainer [2022-04-15 03:23:33,231 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-04-15 03:23:33,232 INFO L113 PluginConnector]: ------------------------IcfgTransformer---------------------------- [2022-04-15 03:23:33,232 INFO L271 PluginConnector]: Initializing IcfgTransformer... [2022-04-15 03:23:33,248 INFO L275 PluginConnector]: IcfgTransformer initialized [2022-04-15 03:23:33,251 INFO L185 PluginConnector]: Executing the observer IcfgTransformationObserver from plugin IcfgTransformer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.04 03:23:33" (1/1) ... [2022-04-15 03:23:33,253 INFO L168 ansformationObserver]: Applying ICFG transformation LOOP_ACCELERATION_QVASR [2022-04-15 03:23:33,320 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.icfgtransformation CFG 15.04 03:23:33 BasicIcfg [2022-04-15 03:23:33,320 INFO L132 PluginConnector]: ------------------------ END IcfgTransformer---------------------------- [2022-04-15 03:23:33,321 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-04-15 03:23:33,321 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-04-15 03:23:33,324 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-04-15 03:23:33,324 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.04 03:23:32" (1/4) ... [2022-04-15 03:23:33,324 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1e8eb783 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.04 03:23:33, skipping insertion in model container [2022-04-15 03:23:33,324 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.04 03:23:32" (2/4) ... [2022-04-15 03:23:33,325 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1e8eb783 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.04 03:23:33, skipping insertion in model container [2022-04-15 03:23:33,325 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.04 03:23:33" (3/4) ... [2022-04-15 03:23:33,325 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1e8eb783 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 15.04 03:23:33, skipping insertion in model container [2022-04-15 03:23:33,325 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.icfgtransformation CFG 15.04 03:23:33" (4/4) ... [2022-04-15 03:23:33,326 INFO L111 eAbstractionObserver]: Analyzing ICFG hard-u_unwindbound2.cqvasr [2022-04-15 03:23:33,333 INFO L202 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-04-15 03:23:33,334 INFO L161 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-04-15 03:23:33,382 INFO L339 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-04-15 03:23:33,392 INFO L340 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP [2022-04-15 03:23:33,393 INFO L341 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-04-15 03:23:33,418 INFO L276 IsEmpty]: Start isEmpty. Operand has 37 states, 21 states have (on average 1.4761904761904763) internal successors, (31), 22 states have internal predecessors, (31), 10 states have call successors, (10), 4 states have call predecessors, (10), 4 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2022-04-15 03:23:33,422 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-04-15 03:23:33,422 INFO L491 BasicCegarLoop]: Found error trace [2022-04-15 03:23:33,423 INFO L499 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-04-15 03:23:33,423 INFO L403 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-15 03:23:33,428 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-15 03:23:33,428 INFO L85 PathProgramCache]: Analyzing trace with hash 79654685, now seen corresponding path program 1 times [2022-04-15 03:23:33,435 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-15 03:23:33,437 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [979257755] [2022-04-15 03:23:33,437 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-15 03:23:33,438 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-15 03:23:33,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-15 03:23:33,617 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-04-15 03:23:33,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-15 03:23:33,650 INFO L290 TraceCheckUtils]: 0: Hoare triple {49#(and (= ~counter~0 |old(~counter~0)|) (= |#NULL.offset| |old(#NULL.offset)|) (= |old(#NULL.base)| |#NULL.base|))} [101] ULTIMATE.initENTRY-->ULTIMATE.initFINAL: Formula: (let ((.cse0 (select |v_#memory_int_1| 1))) (and (= 48 (select .cse0 0)) (= (select |v_#valid_1| 2) 1) (= (select |v_#valid_1| 0) 0) (< 0 |v_#StackHeapBarrier_1|) (= |v_#NULL.base_1| 0) (= 1 (select |v_#valid_1| 3)) (= (select |v_#length_1| 2) 9) (= (select |v_#length_1| 3) 12) (= (select |v_#valid_1| 1) 1) (= 2 (select |v_#length_1| 1)) (= (select .cse0 1) 0) (= |v_#NULL.offset_1| 0) (= v_~counter~0_5 0))) InVars {#memory_int=|v_#memory_int_1|, #StackHeapBarrier=|v_#StackHeapBarrier_1|, #length=|v_#length_1|, #valid=|v_#valid_1|} OutVars{~counter~0=v_~counter~0_5, #StackHeapBarrier=|v_#StackHeapBarrier_1|, #valid=|v_#valid_1|, #memory_int=|v_#memory_int_1|, #NULL.offset=|v_#NULL.offset_1|, #length=|v_#length_1|, #NULL.base=|v_#NULL.base_1|} AuxVars[] AssignedVars[~counter~0, #NULL.offset, #NULL.base] {40#true} is VALID [2022-04-15 03:23:33,651 INFO L290 TraceCheckUtils]: 1: Hoare triple {40#true} [104] ULTIMATE.initFINAL-->ULTIMATE.initEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {40#true} is VALID [2022-04-15 03:23:33,652 INFO L284 TraceCheckUtils]: 2: Hoare quadruple {40#true} {40#true} [140] ULTIMATE.initEXIT-->L-1: AOR: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] LVA: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {40#true} is VALID [2022-04-15 03:23:33,653 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-04-15 03:23:33,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-15 03:23:33,670 INFO L290 TraceCheckUtils]: 0: Hoare triple {40#true} [107] assume_abort_if_notENTRY-->L12: Formula: (= |v_assume_abort_if_not_#in~cond_1| v_assume_abort_if_not_~cond_1) InVars {assume_abort_if_not_#in~cond=|v_assume_abort_if_not_#in~cond_1|} OutVars{assume_abort_if_not_#in~cond=|v_assume_abort_if_not_#in~cond_1|, assume_abort_if_not_~cond=v_assume_abort_if_not_~cond_1} AuxVars[] AssignedVars[assume_abort_if_not_~cond] {40#true} is VALID [2022-04-15 03:23:33,670 INFO L290 TraceCheckUtils]: 1: Hoare triple {40#true} [110] L12-->L12-2: Formula: false InVars {} OutVars{} AuxVars[] AssignedVars[] {41#false} is VALID [2022-04-15 03:23:33,671 INFO L290 TraceCheckUtils]: 2: Hoare triple {41#false} [116] L12-2-->assume_abort_if_notEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {41#false} is VALID [2022-04-15 03:23:33,671 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {41#false} {40#true} [141] assume_abort_if_notEXIT-->L28-1: AOR: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] LVA: Formula: (= (ite (<= 1 (mod v_main_~B~0_10 4294967296)) 1 0) |v_assume_abort_if_not_#in~condInParam_1|) InVars {main_~B~0=v_main_~B~0_10} OutVars{assume_abort_if_not_#in~cond=|v_assume_abort_if_not_#in~condInParam_1|} AuxVars[] AssignedVars[main_~B~0, assume_abort_if_not_#in~cond] {41#false} is VALID [2022-04-15 03:23:33,673 INFO L272 TraceCheckUtils]: 0: Hoare triple {40#true} [99] ULTIMATE.startENTRY-->ULTIMATE.initENTRY: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {49#(and (= ~counter~0 |old(~counter~0)|) (= |#NULL.offset| |old(#NULL.offset)|) (= |old(#NULL.base)| |#NULL.base|))} is VALID [2022-04-15 03:23:33,676 INFO L290 TraceCheckUtils]: 1: Hoare triple {49#(and (= ~counter~0 |old(~counter~0)|) (= |#NULL.offset| |old(#NULL.offset)|) (= |old(#NULL.base)| |#NULL.base|))} [101] ULTIMATE.initENTRY-->ULTIMATE.initFINAL: Formula: (let ((.cse0 (select |v_#memory_int_1| 1))) (and (= 48 (select .cse0 0)) (= (select |v_#valid_1| 2) 1) (= (select |v_#valid_1| 0) 0) (< 0 |v_#StackHeapBarrier_1|) (= |v_#NULL.base_1| 0) (= 1 (select |v_#valid_1| 3)) (= (select |v_#length_1| 2) 9) (= (select |v_#length_1| 3) 12) (= (select |v_#valid_1| 1) 1) (= 2 (select |v_#length_1| 1)) (= (select .cse0 1) 0) (= |v_#NULL.offset_1| 0) (= v_~counter~0_5 0))) InVars {#memory_int=|v_#memory_int_1|, #StackHeapBarrier=|v_#StackHeapBarrier_1|, #length=|v_#length_1|, #valid=|v_#valid_1|} OutVars{~counter~0=v_~counter~0_5, #StackHeapBarrier=|v_#StackHeapBarrier_1|, #valid=|v_#valid_1|, #memory_int=|v_#memory_int_1|, #NULL.offset=|v_#NULL.offset_1|, #length=|v_#length_1|, #NULL.base=|v_#NULL.base_1|} AuxVars[] AssignedVars[~counter~0, #NULL.offset, #NULL.base] {40#true} is VALID [2022-04-15 03:23:33,676 INFO L290 TraceCheckUtils]: 2: Hoare triple {40#true} [104] ULTIMATE.initFINAL-->ULTIMATE.initEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {40#true} is VALID [2022-04-15 03:23:33,676 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {40#true} {40#true} [140] ULTIMATE.initEXIT-->L-1: AOR: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] LVA: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {40#true} is VALID [2022-04-15 03:23:33,676 INFO L272 TraceCheckUtils]: 4: Hoare triple {40#true} [100] L-1-->mainENTRY: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {40#true} is VALID [2022-04-15 03:23:33,677 INFO L290 TraceCheckUtils]: 5: Hoare triple {40#true} [103] mainENTRY-->L28: Formula: (and (= v_main_~A~0_1 |v_main_#t~nondet4_2|) (= v_main_~B~0_1 |v_main_#t~nondet5_2|)) InVars {main_#t~nondet5=|v_main_#t~nondet5_2|, main_#t~nondet4=|v_main_#t~nondet4_2|} OutVars{main_~q~0=v_main_~q~0_1, main_~d~0=v_main_~d~0_1, main_~B~0=v_main_~B~0_1, main_~A~0=v_main_~A~0_1, main_~p~0=v_main_~p~0_1, main_~r~0=v_main_~r~0_1} AuxVars[] AssignedVars[main_#t~nondet5, main_~q~0, main_#t~nondet4, main_~d~0, main_~B~0, main_~A~0, main_~p~0, main_~r~0] {40#true} is VALID [2022-04-15 03:23:33,677 INFO L272 TraceCheckUtils]: 6: Hoare triple {40#true} [105] L28-->assume_abort_if_notENTRY: Formula: (= (ite (<= 1 (mod v_main_~B~0_10 4294967296)) 1 0) |v_assume_abort_if_not_#in~condInParam_1|) InVars {main_~B~0=v_main_~B~0_10} OutVars{assume_abort_if_not_#in~cond=|v_assume_abort_if_not_#in~condInParam_1|} AuxVars[] AssignedVars[main_~B~0, assume_abort_if_not_#in~cond] {40#true} is VALID [2022-04-15 03:23:33,678 INFO L290 TraceCheckUtils]: 7: Hoare triple {40#true} [107] assume_abort_if_notENTRY-->L12: Formula: (= |v_assume_abort_if_not_#in~cond_1| v_assume_abort_if_not_~cond_1) InVars {assume_abort_if_not_#in~cond=|v_assume_abort_if_not_#in~cond_1|} OutVars{assume_abort_if_not_#in~cond=|v_assume_abort_if_not_#in~cond_1|, assume_abort_if_not_~cond=v_assume_abort_if_not_~cond_1} AuxVars[] AssignedVars[assume_abort_if_not_~cond] {40#true} is VALID [2022-04-15 03:23:33,678 INFO L290 TraceCheckUtils]: 8: Hoare triple {40#true} [110] L12-->L12-2: Formula: false InVars {} OutVars{} AuxVars[] AssignedVars[] {41#false} is VALID [2022-04-15 03:23:33,678 INFO L290 TraceCheckUtils]: 9: Hoare triple {41#false} [116] L12-2-->assume_abort_if_notEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {41#false} is VALID [2022-04-15 03:23:33,680 INFO L284 TraceCheckUtils]: 10: Hoare quadruple {41#false} {40#true} [141] assume_abort_if_notEXIT-->L28-1: AOR: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] LVA: Formula: (= (ite (<= 1 (mod v_main_~B~0_10 4294967296)) 1 0) |v_assume_abort_if_not_#in~condInParam_1|) InVars {main_~B~0=v_main_~B~0_10} OutVars{assume_abort_if_not_#in~cond=|v_assume_abort_if_not_#in~condInParam_1|} AuxVars[] AssignedVars[main_~B~0, assume_abort_if_not_#in~cond] {41#false} is VALID [2022-04-15 03:23:33,680 INFO L290 TraceCheckUtils]: 11: Hoare triple {41#false} [106] L28-1-->L35-3: Formula: (and (= v_main_~B~0_5 v_main_~d~0_2) (= v_main_~A~0_4 v_main_~r~0_2) (= v_main_~q~0_2 0) (= v_main_~p~0_2 1)) InVars {main_~A~0=v_main_~A~0_4, main_~B~0=v_main_~B~0_5} OutVars{main_~q~0=v_main_~q~0_2, main_~d~0=v_main_~d~0_2, main_~B~0=v_main_~B~0_5, main_~A~0=v_main_~A~0_4, main_~p~0=v_main_~p~0_2, main_~r~0=v_main_~r~0_2} AuxVars[] AssignedVars[main_~q~0, main_~d~0, main_~p~0, main_~r~0] {41#false} is VALID [2022-04-15 03:23:33,680 INFO L290 TraceCheckUtils]: 12: Hoare triple {41#false} [108] L35-3-->L53-2: Formula: false InVars {} OutVars{} AuxVars[] AssignedVars[] {41#false} is VALID [2022-04-15 03:23:33,680 INFO L290 TraceCheckUtils]: 13: Hoare triple {41#false} [112] L53-2-->L45-2: Formula: false InVars {} OutVars{} AuxVars[] AssignedVars[] {41#false} is VALID [2022-04-15 03:23:33,682 INFO L272 TraceCheckUtils]: 14: Hoare triple {41#false} [117] L45-2-->__VERIFIER_assertENTRY: Formula: (= |v___VERIFIER_assert_#in~condInParam_6| (ite (= (mod (+ (* v_main_~q~0_10 v_main_~d~0_16) v_main_~r~0_13) 4294967296) (mod v_main_~A~0_10 4294967296)) 1 0)) InVars {main_~q~0=v_main_~q~0_10, main_~d~0=v_main_~d~0_16, main_~A~0=v_main_~A~0_10, main_~r~0=v_main_~r~0_13} OutVars{__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~condInParam_6|} AuxVars[] AssignedVars[main_~q~0, __VERIFIER_assert_#in~cond, main_~d~0, main_~A~0, main_~r~0] {41#false} is VALID [2022-04-15 03:23:33,682 INFO L290 TraceCheckUtils]: 15: Hoare triple {41#false} [122] __VERIFIER_assertENTRY-->L15: Formula: (= v___VERIFIER_assert_~cond_1 |v___VERIFIER_assert_#in~cond_1|) InVars {__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~cond_1|} OutVars{__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~cond_1|, __VERIFIER_assert_~cond=v___VERIFIER_assert_~cond_1} AuxVars[] AssignedVars[__VERIFIER_assert_~cond] {41#false} is VALID [2022-04-15 03:23:33,683 INFO L290 TraceCheckUtils]: 16: Hoare triple {41#false} [126] L15-->L16: Formula: (= v___VERIFIER_assert_~cond_2 0) InVars {__VERIFIER_assert_~cond=v___VERIFIER_assert_~cond_2} OutVars{__VERIFIER_assert_~cond=v___VERIFIER_assert_~cond_2} AuxVars[] AssignedVars[] {41#false} is VALID [2022-04-15 03:23:33,683 INFO L290 TraceCheckUtils]: 17: Hoare triple {41#false} [131] L16-->__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {41#false} is VALID [2022-04-15 03:23:33,683 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-15 03:23:33,684 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-15 03:23:33,684 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [979257755] [2022-04-15 03:23:33,685 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [979257755] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-15 03:23:33,685 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-15 03:23:33,685 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-04-15 03:23:33,687 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1307362765] [2022-04-15 03:23:33,688 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-15 03:23:33,693 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 4.0) internal successors, (12), 2 states have internal predecessors, (12), 2 states have call successors, (4), 3 states have call predecessors, (4), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) Word has length 18 [2022-04-15 03:23:33,694 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-04-15 03:23:33,697 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with has 3 states, 3 states have (on average 4.0) internal successors, (12), 2 states have internal predecessors, (12), 2 states have call successors, (4), 3 states have call predecessors, (4), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) [2022-04-15 03:23:33,730 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 18 edges. 18 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-15 03:23:33,731 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-04-15 03:23:33,732 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-15 03:23:33,756 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-04-15 03:23:33,757 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-04-15 03:23:33,759 INFO L87 Difference]: Start difference. First operand has 37 states, 21 states have (on average 1.4761904761904763) internal successors, (31), 22 states have internal predecessors, (31), 10 states have call successors, (10), 4 states have call predecessors, (10), 4 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) Second operand has 3 states, 3 states have (on average 4.0) internal successors, (12), 2 states have internal predecessors, (12), 2 states have call successors, (4), 3 states have call predecessors, (4), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) [2022-04-15 03:23:33,971 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-15 03:23:33,972 INFO L93 Difference]: Finished difference Result 66 states and 101 transitions. [2022-04-15 03:23:33,972 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-04-15 03:23:33,972 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 4.0) internal successors, (12), 2 states have internal predecessors, (12), 2 states have call successors, (4), 3 states have call predecessors, (4), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) Word has length 18 [2022-04-15 03:23:33,973 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-15 03:23:33,974 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 4.0) internal successors, (12), 2 states have internal predecessors, (12), 2 states have call successors, (4), 3 states have call predecessors, (4), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) [2022-04-15 03:23:33,988 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 101 transitions. [2022-04-15 03:23:33,989 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 4.0) internal successors, (12), 2 states have internal predecessors, (12), 2 states have call successors, (4), 3 states have call predecessors, (4), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) [2022-04-15 03:23:33,993 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 101 transitions. [2022-04-15 03:23:33,993 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with 3 states and 101 transitions. [2022-04-15 03:23:34,158 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 101 edges. 101 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-15 03:23:34,168 INFO L225 Difference]: With dead ends: 66 [2022-04-15 03:23:34,168 INFO L226 Difference]: Without dead ends: 33 [2022-04-15 03:23:34,171 INFO L912 BasicCegarLoop]: 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 [2022-04-15 03:23:34,175 INFO L913 BasicCegarLoop]: 45 mSDtfsCounter, 10 mSDsluCounter, 4 mSDsCounter, 0 mSdLazyCounter, 24 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11 SdHoareTripleChecker+Valid, 49 SdHoareTripleChecker+Invalid, 33 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 24 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-04-15 03:23:34,176 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [11 Valid, 49 Invalid, 33 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 24 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-04-15 03:23:34,189 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33 states. [2022-04-15 03:23:34,202 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33 to 32. [2022-04-15 03:23:34,202 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-04-15 03:23:34,203 INFO L82 GeneralOperation]: Start isEquivalent. First operand 33 states. Second operand has 32 states, 18 states have (on average 1.3333333333333333) internal successors, (24), 19 states have internal predecessors, (24), 10 states have call successors, (10), 4 states have call predecessors, (10), 3 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2022-04-15 03:23:34,204 INFO L74 IsIncluded]: Start isIncluded. First operand 33 states. Second operand has 32 states, 18 states have (on average 1.3333333333333333) internal successors, (24), 19 states have internal predecessors, (24), 10 states have call successors, (10), 4 states have call predecessors, (10), 3 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2022-04-15 03:23:34,204 INFO L87 Difference]: Start difference. First operand 33 states. Second operand has 32 states, 18 states have (on average 1.3333333333333333) internal successors, (24), 19 states have internal predecessors, (24), 10 states have call successors, (10), 4 states have call predecessors, (10), 3 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2022-04-15 03:23:34,207 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-15 03:23:34,208 INFO L93 Difference]: Finished difference Result 33 states and 43 transitions. [2022-04-15 03:23:34,208 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 43 transitions. [2022-04-15 03:23:34,208 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-15 03:23:34,209 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-15 03:23:34,209 INFO L74 IsIncluded]: Start isIncluded. First operand has 32 states, 18 states have (on average 1.3333333333333333) internal successors, (24), 19 states have internal predecessors, (24), 10 states have call successors, (10), 4 states have call predecessors, (10), 3 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) Second operand 33 states. [2022-04-15 03:23:34,209 INFO L87 Difference]: Start difference. First operand has 32 states, 18 states have (on average 1.3333333333333333) internal successors, (24), 19 states have internal predecessors, (24), 10 states have call successors, (10), 4 states have call predecessors, (10), 3 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) Second operand 33 states. [2022-04-15 03:23:34,213 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-15 03:23:34,213 INFO L93 Difference]: Finished difference Result 33 states and 43 transitions. [2022-04-15 03:23:34,213 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 43 transitions. [2022-04-15 03:23:34,214 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-15 03:23:34,214 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-15 03:23:34,214 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-04-15 03:23:34,214 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-04-15 03:23:34,215 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 32 states, 18 states have (on average 1.3333333333333333) internal successors, (24), 19 states have internal predecessors, (24), 10 states have call successors, (10), 4 states have call predecessors, (10), 3 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2022-04-15 03:23:34,217 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 32 states and 42 transitions. [2022-04-15 03:23:34,218 INFO L78 Accepts]: Start accepts. Automaton has 32 states and 42 transitions. Word has length 18 [2022-04-15 03:23:34,218 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-15 03:23:34,218 INFO L478 AbstractCegarLoop]: Abstraction has 32 states and 42 transitions. [2022-04-15 03:23:34,219 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 4.0) internal successors, (12), 2 states have internal predecessors, (12), 2 states have call successors, (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) [2022-04-15 03:23:34,219 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 42 transitions. [2022-04-15 03:23:34,219 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-04-15 03:23:34,219 INFO L491 BasicCegarLoop]: Found error trace [2022-04-15 03:23:34,220 INFO L499 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-04-15 03:23:34,220 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-04-15 03:23:34,220 INFO L403 AbstractCegarLoop]: === Iteration 2 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-15 03:23:34,220 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-15 03:23:34,221 INFO L85 PathProgramCache]: Analyzing trace with hash -85369733, now seen corresponding path program 1 times [2022-04-15 03:23:34,221 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-15 03:23:34,221 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1467772096] [2022-04-15 03:23:34,221 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-15 03:23:34,221 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-15 03:23:34,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-15 03:23:34,293 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-04-15 03:23:34,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-15 03:23:34,302 INFO L290 TraceCheckUtils]: 0: Hoare triple {268#(and (= ~counter~0 |old(~counter~0)|) (= |#NULL.offset| |old(#NULL.offset)|) (= |old(#NULL.base)| |#NULL.base|))} [101] ULTIMATE.initENTRY-->ULTIMATE.initFINAL: Formula: (let ((.cse0 (select |v_#memory_int_1| 1))) (and (= 48 (select .cse0 0)) (= (select |v_#valid_1| 2) 1) (= (select |v_#valid_1| 0) 0) (< 0 |v_#StackHeapBarrier_1|) (= |v_#NULL.base_1| 0) (= 1 (select |v_#valid_1| 3)) (= (select |v_#length_1| 2) 9) (= (select |v_#length_1| 3) 12) (= (select |v_#valid_1| 1) 1) (= 2 (select |v_#length_1| 1)) (= (select .cse0 1) 0) (= |v_#NULL.offset_1| 0) (= v_~counter~0_5 0))) InVars {#memory_int=|v_#memory_int_1|, #StackHeapBarrier=|v_#StackHeapBarrier_1|, #length=|v_#length_1|, #valid=|v_#valid_1|} OutVars{~counter~0=v_~counter~0_5, #StackHeapBarrier=|v_#StackHeapBarrier_1|, #valid=|v_#valid_1|, #memory_int=|v_#memory_int_1|, #NULL.offset=|v_#NULL.offset_1|, #length=|v_#length_1|, #NULL.base=|v_#NULL.base_1|} AuxVars[] AssignedVars[~counter~0, #NULL.offset, #NULL.base] {256#true} is VALID [2022-04-15 03:23:34,302 INFO L290 TraceCheckUtils]: 1: Hoare triple {256#true} [104] ULTIMATE.initFINAL-->ULTIMATE.initEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {256#true} is VALID [2022-04-15 03:23:34,302 INFO L284 TraceCheckUtils]: 2: Hoare quadruple {256#true} {256#true} [140] ULTIMATE.initEXIT-->L-1: AOR: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] LVA: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {256#true} is VALID [2022-04-15 03:23:34,303 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-04-15 03:23:34,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-15 03:23:34,308 INFO L290 TraceCheckUtils]: 0: Hoare triple {256#true} [107] assume_abort_if_notENTRY-->L12: Formula: (= |v_assume_abort_if_not_#in~cond_1| v_assume_abort_if_not_~cond_1) InVars {assume_abort_if_not_#in~cond=|v_assume_abort_if_not_#in~cond_1|} OutVars{assume_abort_if_not_#in~cond=|v_assume_abort_if_not_#in~cond_1|, assume_abort_if_not_~cond=v_assume_abort_if_not_~cond_1} AuxVars[] AssignedVars[assume_abort_if_not_~cond] {256#true} is VALID [2022-04-15 03:23:34,309 INFO L290 TraceCheckUtils]: 1: Hoare triple {256#true} [111] L12-->L12-2: Formula: (not (= v_assume_abort_if_not_~cond_3 0)) InVars {assume_abort_if_not_~cond=v_assume_abort_if_not_~cond_3} OutVars{assume_abort_if_not_~cond=v_assume_abort_if_not_~cond_3} AuxVars[] AssignedVars[] {256#true} is VALID [2022-04-15 03:23:34,309 INFO L290 TraceCheckUtils]: 2: Hoare triple {256#true} [116] L12-2-->assume_abort_if_notEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {256#true} is VALID [2022-04-15 03:23:34,309 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {256#true} {256#true} [141] assume_abort_if_notEXIT-->L28-1: AOR: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] LVA: Formula: (= (ite (<= 1 (mod v_main_~B~0_10 4294967296)) 1 0) |v_assume_abort_if_not_#in~condInParam_1|) InVars {main_~B~0=v_main_~B~0_10} OutVars{assume_abort_if_not_#in~cond=|v_assume_abort_if_not_#in~condInParam_1|} AuxVars[] AssignedVars[main_~B~0, assume_abort_if_not_#in~cond] {256#true} is VALID [2022-04-15 03:23:34,310 INFO L272 TraceCheckUtils]: 0: Hoare triple {256#true} [99] ULTIMATE.startENTRY-->ULTIMATE.initENTRY: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {268#(and (= ~counter~0 |old(~counter~0)|) (= |#NULL.offset| |old(#NULL.offset)|) (= |old(#NULL.base)| |#NULL.base|))} is VALID [2022-04-15 03:23:34,310 INFO L290 TraceCheckUtils]: 1: Hoare triple {268#(and (= ~counter~0 |old(~counter~0)|) (= |#NULL.offset| |old(#NULL.offset)|) (= |old(#NULL.base)| |#NULL.base|))} [101] ULTIMATE.initENTRY-->ULTIMATE.initFINAL: Formula: (let ((.cse0 (select |v_#memory_int_1| 1))) (and (= 48 (select .cse0 0)) (= (select |v_#valid_1| 2) 1) (= (select |v_#valid_1| 0) 0) (< 0 |v_#StackHeapBarrier_1|) (= |v_#NULL.base_1| 0) (= 1 (select |v_#valid_1| 3)) (= (select |v_#length_1| 2) 9) (= (select |v_#length_1| 3) 12) (= (select |v_#valid_1| 1) 1) (= 2 (select |v_#length_1| 1)) (= (select .cse0 1) 0) (= |v_#NULL.offset_1| 0) (= v_~counter~0_5 0))) InVars {#memory_int=|v_#memory_int_1|, #StackHeapBarrier=|v_#StackHeapBarrier_1|, #length=|v_#length_1|, #valid=|v_#valid_1|} OutVars{~counter~0=v_~counter~0_5, #StackHeapBarrier=|v_#StackHeapBarrier_1|, #valid=|v_#valid_1|, #memory_int=|v_#memory_int_1|, #NULL.offset=|v_#NULL.offset_1|, #length=|v_#length_1|, #NULL.base=|v_#NULL.base_1|} AuxVars[] AssignedVars[~counter~0, #NULL.offset, #NULL.base] {256#true} is VALID [2022-04-15 03:23:34,310 INFO L290 TraceCheckUtils]: 2: Hoare triple {256#true} [104] ULTIMATE.initFINAL-->ULTIMATE.initEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {256#true} is VALID [2022-04-15 03:23:34,311 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {256#true} {256#true} [140] ULTIMATE.initEXIT-->L-1: AOR: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] LVA: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {256#true} is VALID [2022-04-15 03:23:34,311 INFO L272 TraceCheckUtils]: 4: Hoare triple {256#true} [100] L-1-->mainENTRY: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {256#true} is VALID [2022-04-15 03:23:34,311 INFO L290 TraceCheckUtils]: 5: Hoare triple {256#true} [103] mainENTRY-->L28: Formula: (and (= v_main_~A~0_1 |v_main_#t~nondet4_2|) (= v_main_~B~0_1 |v_main_#t~nondet5_2|)) InVars {main_#t~nondet5=|v_main_#t~nondet5_2|, main_#t~nondet4=|v_main_#t~nondet4_2|} OutVars{main_~q~0=v_main_~q~0_1, main_~d~0=v_main_~d~0_1, main_~B~0=v_main_~B~0_1, main_~A~0=v_main_~A~0_1, main_~p~0=v_main_~p~0_1, main_~r~0=v_main_~r~0_1} AuxVars[] AssignedVars[main_#t~nondet5, main_~q~0, main_#t~nondet4, main_~d~0, main_~B~0, main_~A~0, main_~p~0, main_~r~0] {256#true} is VALID [2022-04-15 03:23:34,311 INFO L272 TraceCheckUtils]: 6: Hoare triple {256#true} [105] L28-->assume_abort_if_notENTRY: Formula: (= (ite (<= 1 (mod v_main_~B~0_10 4294967296)) 1 0) |v_assume_abort_if_not_#in~condInParam_1|) InVars {main_~B~0=v_main_~B~0_10} OutVars{assume_abort_if_not_#in~cond=|v_assume_abort_if_not_#in~condInParam_1|} AuxVars[] AssignedVars[main_~B~0, assume_abort_if_not_#in~cond] {256#true} is VALID [2022-04-15 03:23:34,311 INFO L290 TraceCheckUtils]: 7: Hoare triple {256#true} [107] assume_abort_if_notENTRY-->L12: Formula: (= |v_assume_abort_if_not_#in~cond_1| v_assume_abort_if_not_~cond_1) InVars {assume_abort_if_not_#in~cond=|v_assume_abort_if_not_#in~cond_1|} OutVars{assume_abort_if_not_#in~cond=|v_assume_abort_if_not_#in~cond_1|, assume_abort_if_not_~cond=v_assume_abort_if_not_~cond_1} AuxVars[] AssignedVars[assume_abort_if_not_~cond] {256#true} is VALID [2022-04-15 03:23:34,312 INFO L290 TraceCheckUtils]: 8: Hoare triple {256#true} [111] L12-->L12-2: Formula: (not (= v_assume_abort_if_not_~cond_3 0)) InVars {assume_abort_if_not_~cond=v_assume_abort_if_not_~cond_3} OutVars{assume_abort_if_not_~cond=v_assume_abort_if_not_~cond_3} AuxVars[] AssignedVars[] {256#true} is VALID [2022-04-15 03:23:34,312 INFO L290 TraceCheckUtils]: 9: Hoare triple {256#true} [116] L12-2-->assume_abort_if_notEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {256#true} is VALID [2022-04-15 03:23:34,312 INFO L284 TraceCheckUtils]: 10: Hoare quadruple {256#true} {256#true} [141] assume_abort_if_notEXIT-->L28-1: AOR: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] LVA: Formula: (= (ite (<= 1 (mod v_main_~B~0_10 4294967296)) 1 0) |v_assume_abort_if_not_#in~condInParam_1|) InVars {main_~B~0=v_main_~B~0_10} OutVars{assume_abort_if_not_#in~cond=|v_assume_abort_if_not_#in~condInParam_1|} AuxVars[] AssignedVars[main_~B~0, assume_abort_if_not_#in~cond] {256#true} is VALID [2022-04-15 03:23:34,313 INFO L290 TraceCheckUtils]: 11: Hoare triple {256#true} [106] L28-1-->L35-3: Formula: (and (= v_main_~B~0_5 v_main_~d~0_2) (= v_main_~A~0_4 v_main_~r~0_2) (= v_main_~q~0_2 0) (= v_main_~p~0_2 1)) InVars {main_~A~0=v_main_~A~0_4, main_~B~0=v_main_~B~0_5} OutVars{main_~q~0=v_main_~q~0_2, main_~d~0=v_main_~d~0_2, main_~B~0=v_main_~B~0_5, main_~A~0=v_main_~A~0_4, main_~p~0=v_main_~p~0_2, main_~r~0=v_main_~r~0_2} AuxVars[] AssignedVars[main_~q~0, main_~d~0, main_~p~0, main_~r~0] {265#(= main_~q~0 0)} is VALID [2022-04-15 03:23:34,313 INFO L290 TraceCheckUtils]: 12: Hoare triple {265#(= main_~q~0 0)} [109] L35-3-->L35-1: Formula: (and (= |v_main_#t~post6_1| v_~counter~0_2) (= v_~counter~0_1 (+ |v_main_#t~post6_1| 1))) InVars {~counter~0=v_~counter~0_2} OutVars{~counter~0=v_~counter~0_1, main_#t~post6=|v_main_#t~post6_1|} AuxVars[] AssignedVars[~counter~0, main_#t~post6] {265#(= main_~q~0 0)} is VALID [2022-04-15 03:23:34,314 INFO L290 TraceCheckUtils]: 13: Hoare triple {265#(= main_~q~0 0)} [115] L35-1-->L36: Formula: (< |v_main_#t~post6_5| 2) InVars {main_#t~post6=|v_main_#t~post6_5|} OutVars{} AuxVars[] AssignedVars[main_#t~post6] {265#(= main_~q~0 0)} is VALID [2022-04-15 03:23:34,314 INFO L272 TraceCheckUtils]: 14: Hoare triple {265#(= main_~q~0 0)} [120] L36-->__VERIFIER_assertENTRY: Formula: (= (ite (= (mod v_main_~q~0_8 4294967296) 0) 1 0) |v___VERIFIER_assert_#in~condInParam_1|) InVars {main_~q~0=v_main_~q~0_8} OutVars{__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~condInParam_1|} AuxVars[] AssignedVars[main_~q~0, __VERIFIER_assert_#in~cond] {266#(not (= |__VERIFIER_assert_#in~cond| 0))} is VALID [2022-04-15 03:23:34,315 INFO L290 TraceCheckUtils]: 15: Hoare triple {266#(not (= |__VERIFIER_assert_#in~cond| 0))} [122] __VERIFIER_assertENTRY-->L15: Formula: (= v___VERIFIER_assert_~cond_1 |v___VERIFIER_assert_#in~cond_1|) InVars {__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~cond_1|} OutVars{__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~cond_1|, __VERIFIER_assert_~cond=v___VERIFIER_assert_~cond_1} AuxVars[] AssignedVars[__VERIFIER_assert_~cond] {267#(not (= __VERIFIER_assert_~cond 0))} is VALID [2022-04-15 03:23:34,315 INFO L290 TraceCheckUtils]: 16: Hoare triple {267#(not (= __VERIFIER_assert_~cond 0))} [126] L15-->L16: Formula: (= v___VERIFIER_assert_~cond_2 0) InVars {__VERIFIER_assert_~cond=v___VERIFIER_assert_~cond_2} OutVars{__VERIFIER_assert_~cond=v___VERIFIER_assert_~cond_2} AuxVars[] AssignedVars[] {257#false} is VALID [2022-04-15 03:23:34,316 INFO L290 TraceCheckUtils]: 17: Hoare triple {257#false} [131] L16-->__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {257#false} is VALID [2022-04-15 03:23:34,316 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-15 03:23:34,316 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-15 03:23:34,316 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1467772096] [2022-04-15 03:23:34,316 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1467772096] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-15 03:23:34,316 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-15 03:23:34,317 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-04-15 03:23:34,317 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1530380485] [2022-04-15 03:23:34,317 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-15 03:23:34,318 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 2.0) internal successors, (12), 4 states have internal predecessors, (12), 2 states have call successors, (4), 3 states have call predecessors, (4), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 18 [2022-04-15 03:23:34,318 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-04-15 03:23:34,319 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with has 6 states, 6 states have (on average 2.0) internal successors, (12), 4 states have internal predecessors, (12), 2 states have call successors, (4), 3 states have call predecessors, (4), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-04-15 03:23:34,333 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 18 edges. 18 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-15 03:23:34,334 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-04-15 03:23:34,334 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-15 03:23:34,334 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-04-15 03:23:34,335 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-04-15 03:23:34,336 INFO L87 Difference]: Start difference. First operand 32 states and 42 transitions. Second operand has 6 states, 6 states have (on average 2.0) internal successors, (12), 4 states have internal predecessors, (12), 2 states have call successors, (4), 3 states have call predecessors, (4), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-04-15 03:23:34,728 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-15 03:23:34,729 INFO L93 Difference]: Finished difference Result 47 states and 62 transitions. [2022-04-15 03:23:34,729 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-04-15 03:23:34,729 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 2.0) internal successors, (12), 4 states have internal predecessors, (12), 2 states have call successors, (4), 3 states have call predecessors, (4), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 18 [2022-04-15 03:23:34,730 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-15 03:23:34,730 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6 states, 6 states have (on average 2.0) internal successors, (12), 4 states have internal predecessors, (12), 2 states have call successors, (4), 3 states have call predecessors, (4), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-04-15 03:23:34,732 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 62 transitions. [2022-04-15 03:23:34,732 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6 states, 6 states have (on average 2.0) internal successors, (12), 4 states have internal predecessors, (12), 2 states have call successors, (4), 3 states have call predecessors, (4), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-04-15 03:23:34,734 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 62 transitions. [2022-04-15 03:23:34,734 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with 8 states and 62 transitions. [2022-04-15 03:23:34,800 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 62 edges. 62 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-15 03:23:34,803 INFO L225 Difference]: With dead ends: 47 [2022-04-15 03:23:34,803 INFO L226 Difference]: Without dead ends: 45 [2022-04-15 03:23:34,806 INFO L912 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=28, Invalid=62, Unknown=0, NotChecked=0, Total=90 [2022-04-15 03:23:34,808 INFO L913 BasicCegarLoop]: 39 mSDtfsCounter, 28 mSDsluCounter, 51 mSDsCounter, 0 mSdLazyCounter, 99 mSolverCounterSat, 14 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 35 SdHoareTripleChecker+Valid, 90 SdHoareTripleChecker+Invalid, 113 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 99 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-04-15 03:23:34,809 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [35 Valid, 90 Invalid, 113 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [14 Valid, 99 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-04-15 03:23:34,812 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 45 states. [2022-04-15 03:23:34,818 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 45 to 36. [2022-04-15 03:23:34,818 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-04-15 03:23:34,818 INFO L82 GeneralOperation]: Start isEquivalent. First operand 45 states. Second operand has 36 states, 21 states have (on average 1.2857142857142858) internal successors, (27), 22 states have internal predecessors, (27), 10 states have call successors, (10), 5 states have call predecessors, (10), 4 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2022-04-15 03:23:34,819 INFO L74 IsIncluded]: Start isIncluded. First operand 45 states. Second operand has 36 states, 21 states have (on average 1.2857142857142858) internal successors, (27), 22 states have internal predecessors, (27), 10 states have call successors, (10), 5 states have call predecessors, (10), 4 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2022-04-15 03:23:34,819 INFO L87 Difference]: Start difference. First operand 45 states. Second operand has 36 states, 21 states have (on average 1.2857142857142858) internal successors, (27), 22 states have internal predecessors, (27), 10 states have call successors, (10), 5 states have call predecessors, (10), 4 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2022-04-15 03:23:34,822 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-15 03:23:34,822 INFO L93 Difference]: Finished difference Result 45 states and 60 transitions. [2022-04-15 03:23:34,823 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 60 transitions. [2022-04-15 03:23:34,823 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-15 03:23:34,824 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-15 03:23:34,824 INFO L74 IsIncluded]: Start isIncluded. First operand has 36 states, 21 states have (on average 1.2857142857142858) internal successors, (27), 22 states have internal predecessors, (27), 10 states have call successors, (10), 5 states have call predecessors, (10), 4 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) Second operand 45 states. [2022-04-15 03:23:34,824 INFO L87 Difference]: Start difference. First operand has 36 states, 21 states have (on average 1.2857142857142858) internal successors, (27), 22 states have internal predecessors, (27), 10 states have call successors, (10), 5 states have call predecessors, (10), 4 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) Second operand 45 states. [2022-04-15 03:23:34,827 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-15 03:23:34,827 INFO L93 Difference]: Finished difference Result 45 states and 60 transitions. [2022-04-15 03:23:34,827 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 60 transitions. [2022-04-15 03:23:34,828 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-15 03:23:34,828 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-15 03:23:34,828 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-04-15 03:23:34,829 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-04-15 03:23:34,829 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 36 states, 21 states have (on average 1.2857142857142858) internal successors, (27), 22 states have internal predecessors, (27), 10 states have call successors, (10), 5 states have call predecessors, (10), 4 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2022-04-15 03:23:34,831 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 36 states and 45 transitions. [2022-04-15 03:23:34,831 INFO L78 Accepts]: Start accepts. Automaton has 36 states and 45 transitions. Word has length 18 [2022-04-15 03:23:34,831 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-15 03:23:34,831 INFO L478 AbstractCegarLoop]: Abstraction has 36 states and 45 transitions. [2022-04-15 03:23:34,831 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 2.0) internal successors, (12), 4 states have internal predecessors, (12), 2 states have call successors, (4), 3 states have call predecessors, (4), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-04-15 03:23:34,832 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 45 transitions. [2022-04-15 03:23:34,832 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2022-04-15 03:23:34,832 INFO L491 BasicCegarLoop]: Found error trace [2022-04-15 03:23:34,832 INFO L499 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-04-15 03:23:34,833 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-04-15 03:23:34,833 INFO L403 AbstractCegarLoop]: === Iteration 3 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-15 03:23:34,833 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-15 03:23:34,833 INFO L85 PathProgramCache]: Analyzing trace with hash -1527809342, now seen corresponding path program 1 times [2022-04-15 03:23:34,833 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-15 03:23:34,834 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1864066351] [2022-04-15 03:23:34,834 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-15 03:23:34,834 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-15 03:23:34,848 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-04-15 03:23:34,848 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1738574918] [2022-04-15 03:23:34,849 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-15 03:23:34,849 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-04-15 03:23:34,849 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-04-15 03:23:34,850 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) [2022-04-15 03:23:34,852 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-04-15 03:23:34,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-15 03:23:34,894 INFO L263 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 5 conjunts are in the unsatisfiable core [2022-04-15 03:23:34,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-15 03:23:34,907 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-04-15 03:23:35,111 INFO L272 TraceCheckUtils]: 0: Hoare triple {489#true} [99] ULTIMATE.startENTRY-->ULTIMATE.initENTRY: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {489#true} is VALID [2022-04-15 03:23:35,120 INFO L290 TraceCheckUtils]: 1: Hoare triple {489#true} [101] ULTIMATE.initENTRY-->ULTIMATE.initFINAL: Formula: (let ((.cse0 (select |v_#memory_int_1| 1))) (and (= 48 (select .cse0 0)) (= (select |v_#valid_1| 2) 1) (= (select |v_#valid_1| 0) 0) (< 0 |v_#StackHeapBarrier_1|) (= |v_#NULL.base_1| 0) (= 1 (select |v_#valid_1| 3)) (= (select |v_#length_1| 2) 9) (= (select |v_#length_1| 3) 12) (= (select |v_#valid_1| 1) 1) (= 2 (select |v_#length_1| 1)) (= (select .cse0 1) 0) (= |v_#NULL.offset_1| 0) (= v_~counter~0_5 0))) InVars {#memory_int=|v_#memory_int_1|, #StackHeapBarrier=|v_#StackHeapBarrier_1|, #length=|v_#length_1|, #valid=|v_#valid_1|} OutVars{~counter~0=v_~counter~0_5, #StackHeapBarrier=|v_#StackHeapBarrier_1|, #valid=|v_#valid_1|, #memory_int=|v_#memory_int_1|, #NULL.offset=|v_#NULL.offset_1|, #length=|v_#length_1|, #NULL.base=|v_#NULL.base_1|} AuxVars[] AssignedVars[~counter~0, #NULL.offset, #NULL.base] {497#(<= ~counter~0 0)} is VALID [2022-04-15 03:23:35,121 INFO L290 TraceCheckUtils]: 2: Hoare triple {497#(<= ~counter~0 0)} [104] ULTIMATE.initFINAL-->ULTIMATE.initEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {497#(<= ~counter~0 0)} is VALID [2022-04-15 03:23:35,121 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {497#(<= ~counter~0 0)} {489#true} [140] ULTIMATE.initEXIT-->L-1: AOR: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] LVA: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {497#(<= ~counter~0 0)} is VALID [2022-04-15 03:23:35,122 INFO L272 TraceCheckUtils]: 4: Hoare triple {497#(<= ~counter~0 0)} [100] L-1-->mainENTRY: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {497#(<= ~counter~0 0)} is VALID [2022-04-15 03:23:35,122 INFO L290 TraceCheckUtils]: 5: Hoare triple {497#(<= ~counter~0 0)} [103] mainENTRY-->L28: Formula: (and (= v_main_~A~0_1 |v_main_#t~nondet4_2|) (= v_main_~B~0_1 |v_main_#t~nondet5_2|)) InVars {main_#t~nondet5=|v_main_#t~nondet5_2|, main_#t~nondet4=|v_main_#t~nondet4_2|} OutVars{main_~q~0=v_main_~q~0_1, main_~d~0=v_main_~d~0_1, main_~B~0=v_main_~B~0_1, main_~A~0=v_main_~A~0_1, main_~p~0=v_main_~p~0_1, main_~r~0=v_main_~r~0_1} AuxVars[] AssignedVars[main_#t~nondet5, main_~q~0, main_#t~nondet4, main_~d~0, main_~B~0, main_~A~0, main_~p~0, main_~r~0] {497#(<= ~counter~0 0)} is VALID [2022-04-15 03:23:35,123 INFO L272 TraceCheckUtils]: 6: Hoare triple {497#(<= ~counter~0 0)} [105] L28-->assume_abort_if_notENTRY: Formula: (= (ite (<= 1 (mod v_main_~B~0_10 4294967296)) 1 0) |v_assume_abort_if_not_#in~condInParam_1|) InVars {main_~B~0=v_main_~B~0_10} OutVars{assume_abort_if_not_#in~cond=|v_assume_abort_if_not_#in~condInParam_1|} AuxVars[] AssignedVars[main_~B~0, assume_abort_if_not_#in~cond] {497#(<= ~counter~0 0)} is VALID [2022-04-15 03:23:35,123 INFO L290 TraceCheckUtils]: 7: Hoare triple {497#(<= ~counter~0 0)} [107] assume_abort_if_notENTRY-->L12: Formula: (= |v_assume_abort_if_not_#in~cond_1| v_assume_abort_if_not_~cond_1) InVars {assume_abort_if_not_#in~cond=|v_assume_abort_if_not_#in~cond_1|} OutVars{assume_abort_if_not_#in~cond=|v_assume_abort_if_not_#in~cond_1|, assume_abort_if_not_~cond=v_assume_abort_if_not_~cond_1} AuxVars[] AssignedVars[assume_abort_if_not_~cond] {497#(<= ~counter~0 0)} is VALID [2022-04-15 03:23:35,124 INFO L290 TraceCheckUtils]: 8: Hoare triple {497#(<= ~counter~0 0)} [111] L12-->L12-2: Formula: (not (= v_assume_abort_if_not_~cond_3 0)) InVars {assume_abort_if_not_~cond=v_assume_abort_if_not_~cond_3} OutVars{assume_abort_if_not_~cond=v_assume_abort_if_not_~cond_3} AuxVars[] AssignedVars[] {497#(<= ~counter~0 0)} is VALID [2022-04-15 03:23:35,124 INFO L290 TraceCheckUtils]: 9: Hoare triple {497#(<= ~counter~0 0)} [116] L12-2-->assume_abort_if_notEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {497#(<= ~counter~0 0)} is VALID [2022-04-15 03:23:35,125 INFO L284 TraceCheckUtils]: 10: Hoare quadruple {497#(<= ~counter~0 0)} {497#(<= ~counter~0 0)} [141] assume_abort_if_notEXIT-->L28-1: AOR: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] LVA: Formula: (= (ite (<= 1 (mod v_main_~B~0_10 4294967296)) 1 0) |v_assume_abort_if_not_#in~condInParam_1|) InVars {main_~B~0=v_main_~B~0_10} OutVars{assume_abort_if_not_#in~cond=|v_assume_abort_if_not_#in~condInParam_1|} AuxVars[] AssignedVars[main_~B~0, assume_abort_if_not_#in~cond] {497#(<= ~counter~0 0)} is VALID [2022-04-15 03:23:35,125 INFO L290 TraceCheckUtils]: 11: Hoare triple {497#(<= ~counter~0 0)} [106] L28-1-->L35-3: Formula: (and (= v_main_~B~0_5 v_main_~d~0_2) (= v_main_~A~0_4 v_main_~r~0_2) (= v_main_~q~0_2 0) (= v_main_~p~0_2 1)) InVars {main_~A~0=v_main_~A~0_4, main_~B~0=v_main_~B~0_5} OutVars{main_~q~0=v_main_~q~0_2, main_~d~0=v_main_~d~0_2, main_~B~0=v_main_~B~0_5, main_~A~0=v_main_~A~0_4, main_~p~0=v_main_~p~0_2, main_~r~0=v_main_~r~0_2} AuxVars[] AssignedVars[main_~q~0, main_~d~0, main_~p~0, main_~r~0] {497#(<= ~counter~0 0)} is VALID [2022-04-15 03:23:35,126 INFO L290 TraceCheckUtils]: 12: Hoare triple {497#(<= ~counter~0 0)} [109] L35-3-->L35-1: Formula: (and (= |v_main_#t~post6_1| v_~counter~0_2) (= v_~counter~0_1 (+ |v_main_#t~post6_1| 1))) InVars {~counter~0=v_~counter~0_2} OutVars{~counter~0=v_~counter~0_1, main_#t~post6=|v_main_#t~post6_1|} AuxVars[] AssignedVars[~counter~0, main_#t~post6] {531#(<= |main_#t~post6| 0)} is VALID [2022-04-15 03:23:35,126 INFO L290 TraceCheckUtils]: 13: Hoare triple {531#(<= |main_#t~post6| 0)} [114] L35-1-->L53-2: Formula: (not (< |v_main_#t~post6_3| 2)) InVars {main_#t~post6=|v_main_#t~post6_3|} OutVars{} AuxVars[] AssignedVars[main_#t~post6] {490#false} is VALID [2022-04-15 03:23:35,127 INFO L290 TraceCheckUtils]: 14: Hoare triple {490#false} [113] L53-2-->L45: Formula: (and (= |v_main_#t~post7_1| v_~counter~0_4) (= (+ |v_main_#t~post7_1| 1) v_~counter~0_3)) InVars {~counter~0=v_~counter~0_4} OutVars{~counter~0=v_~counter~0_3, main_#t~post7=|v_main_#t~post7_1|} AuxVars[] AssignedVars[~counter~0, main_#t~post7] {490#false} is VALID [2022-04-15 03:23:35,127 INFO L290 TraceCheckUtils]: 15: Hoare triple {490#false} [118] L45-->L45-2: Formula: (not (< |v_main_#t~post7_3| 2)) InVars {main_#t~post7=|v_main_#t~post7_3|} OutVars{} AuxVars[] AssignedVars[main_#t~post7] {490#false} is VALID [2022-04-15 03:23:35,127 INFO L272 TraceCheckUtils]: 16: Hoare triple {490#false} [117] L45-2-->__VERIFIER_assertENTRY: Formula: (= |v___VERIFIER_assert_#in~condInParam_6| (ite (= (mod (+ (* v_main_~q~0_10 v_main_~d~0_16) v_main_~r~0_13) 4294967296) (mod v_main_~A~0_10 4294967296)) 1 0)) InVars {main_~q~0=v_main_~q~0_10, main_~d~0=v_main_~d~0_16, main_~A~0=v_main_~A~0_10, main_~r~0=v_main_~r~0_13} OutVars{__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~condInParam_6|} AuxVars[] AssignedVars[main_~q~0, __VERIFIER_assert_#in~cond, main_~d~0, main_~A~0, main_~r~0] {490#false} is VALID [2022-04-15 03:23:35,127 INFO L290 TraceCheckUtils]: 17: Hoare triple {490#false} [122] __VERIFIER_assertENTRY-->L15: Formula: (= v___VERIFIER_assert_~cond_1 |v___VERIFIER_assert_#in~cond_1|) InVars {__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~cond_1|} OutVars{__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~cond_1|, __VERIFIER_assert_~cond=v___VERIFIER_assert_~cond_1} AuxVars[] AssignedVars[__VERIFIER_assert_~cond] {490#false} is VALID [2022-04-15 03:23:35,127 INFO L290 TraceCheckUtils]: 18: Hoare triple {490#false} [126] L15-->L16: Formula: (= v___VERIFIER_assert_~cond_2 0) InVars {__VERIFIER_assert_~cond=v___VERIFIER_assert_~cond_2} OutVars{__VERIFIER_assert_~cond=v___VERIFIER_assert_~cond_2} AuxVars[] AssignedVars[] {490#false} is VALID [2022-04-15 03:23:35,128 INFO L290 TraceCheckUtils]: 19: Hoare triple {490#false} [131] L16-->__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {490#false} is VALID [2022-04-15 03:23:35,128 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-15 03:23:35,128 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-04-15 03:23:35,128 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-15 03:23:35,129 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1864066351] [2022-04-15 03:23:35,129 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-04-15 03:23:35,129 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1738574918] [2022-04-15 03:23:35,129 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1738574918] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-15 03:23:35,129 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-15 03:23:35,129 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-04-15 03:23:35,129 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1415921682] [2022-04-15 03:23:35,130 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-15 03:23:35,130 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 3.5) internal successors, (14), 3 states have internal predecessors, (14), 3 states have call successors, (4), 3 states have call predecessors, (4), 1 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) Word has length 20 [2022-04-15 03:23:35,130 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-04-15 03:23:35,131 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with has 4 states, 4 states have (on average 3.5) internal successors, (14), 3 states have internal predecessors, (14), 3 states have call successors, (4), 3 states have call predecessors, (4), 1 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) [2022-04-15 03:23:35,153 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 20 edges. 20 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-15 03:23:35,154 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-04-15 03:23:35,154 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-15 03:23:35,154 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-04-15 03:23:35,154 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-04-15 03:23:35,155 INFO L87 Difference]: Start difference. First operand 36 states and 45 transitions. Second operand has 4 states, 4 states have (on average 3.5) internal successors, (14), 3 states have internal predecessors, (14), 3 states have call successors, (4), 3 states have call predecessors, (4), 1 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) [2022-04-15 03:23:35,247 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-15 03:23:35,248 INFO L93 Difference]: Finished difference Result 52 states and 67 transitions. [2022-04-15 03:23:35,248 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-04-15 03:23:35,248 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 3.5) internal successors, (14), 3 states have internal predecessors, (14), 3 states have call successors, (4), 3 states have call predecessors, (4), 1 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) Word has length 20 [2022-04-15 03:23:35,249 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-15 03:23:35,249 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 3.5) internal successors, (14), 3 states have internal predecessors, (14), 3 states have call successors, (4), 3 states have call predecessors, (4), 1 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) [2022-04-15 03:23:35,256 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 64 transitions. [2022-04-15 03:23:35,257 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 3.5) internal successors, (14), 3 states have internal predecessors, (14), 3 states have call successors, (4), 3 states have call predecessors, (4), 1 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) [2022-04-15 03:23:35,263 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 64 transitions. [2022-04-15 03:23:35,263 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with 4 states and 64 transitions. [2022-04-15 03:23:35,334 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 64 edges. 64 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-15 03:23:35,336 INFO L225 Difference]: With dead ends: 52 [2022-04-15 03:23:35,337 INFO L226 Difference]: Without dead ends: 38 [2022-04-15 03:23:35,337 INFO L912 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-04-15 03:23:35,338 INFO L913 BasicCegarLoop]: 40 mSDtfsCounter, 0 mSDsluCounter, 67 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 107 SdHoareTripleChecker+Invalid, 8 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 8 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-04-15 03:23:35,339 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 107 Invalid, 8 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 8 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-04-15 03:23:35,339 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 38 states. [2022-04-15 03:23:35,346 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 38 to 38. [2022-04-15 03:23:35,347 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-04-15 03:23:35,347 INFO L82 GeneralOperation]: Start isEquivalent. First operand 38 states. Second operand has 38 states, 23 states have (on average 1.2608695652173914) internal successors, (29), 24 states have internal predecessors, (29), 10 states have call successors, (10), 5 states have call predecessors, (10), 4 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2022-04-15 03:23:35,347 INFO L74 IsIncluded]: Start isIncluded. First operand 38 states. Second operand has 38 states, 23 states have (on average 1.2608695652173914) internal successors, (29), 24 states have internal predecessors, (29), 10 states have call successors, (10), 5 states have call predecessors, (10), 4 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2022-04-15 03:23:35,348 INFO L87 Difference]: Start difference. First operand 38 states. Second operand has 38 states, 23 states have (on average 1.2608695652173914) internal successors, (29), 24 states have internal predecessors, (29), 10 states have call successors, (10), 5 states have call predecessors, (10), 4 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2022-04-15 03:23:35,350 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-15 03:23:35,350 INFO L93 Difference]: Finished difference Result 38 states and 47 transitions. [2022-04-15 03:23:35,350 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 47 transitions. [2022-04-15 03:23:35,351 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-15 03:23:35,351 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-15 03:23:35,351 INFO L74 IsIncluded]: Start isIncluded. First operand has 38 states, 23 states have (on average 1.2608695652173914) internal successors, (29), 24 states have internal predecessors, (29), 10 states have call successors, (10), 5 states have call predecessors, (10), 4 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) Second operand 38 states. [2022-04-15 03:23:35,352 INFO L87 Difference]: Start difference. First operand has 38 states, 23 states have (on average 1.2608695652173914) internal successors, (29), 24 states have internal predecessors, (29), 10 states have call successors, (10), 5 states have call predecessors, (10), 4 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) Second operand 38 states. [2022-04-15 03:23:35,354 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-15 03:23:35,354 INFO L93 Difference]: Finished difference Result 38 states and 47 transitions. [2022-04-15 03:23:35,354 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 47 transitions. [2022-04-15 03:23:35,355 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-15 03:23:35,355 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-15 03:23:35,355 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-04-15 03:23:35,355 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-04-15 03:23:35,355 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 38 states, 23 states have (on average 1.2608695652173914) internal successors, (29), 24 states have internal predecessors, (29), 10 states have call successors, (10), 5 states have call predecessors, (10), 4 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2022-04-15 03:23:35,357 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 38 states and 47 transitions. [2022-04-15 03:23:35,357 INFO L78 Accepts]: Start accepts. Automaton has 38 states and 47 transitions. Word has length 20 [2022-04-15 03:23:35,357 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-15 03:23:35,358 INFO L478 AbstractCegarLoop]: Abstraction has 38 states and 47 transitions. [2022-04-15 03:23:35,358 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 3.5) internal successors, (14), 3 states have internal predecessors, (14), 3 states have call successors, (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) [2022-04-15 03:23:35,358 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 47 transitions. [2022-04-15 03:23:35,359 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2022-04-15 03:23:35,359 INFO L491 BasicCegarLoop]: Found error trace [2022-04-15 03:23:35,359 INFO L499 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-04-15 03:23:35,386 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-04-15 03:23:35,579 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-04-15 03:23:35,580 INFO L403 AbstractCegarLoop]: === Iteration 4 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-15 03:23:35,580 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-15 03:23:35,580 INFO L85 PathProgramCache]: Analyzing trace with hash 2128444854, now seen corresponding path program 1 times [2022-04-15 03:23:35,581 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-15 03:23:35,581 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1874217194] [2022-04-15 03:23:35,581 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-15 03:23:35,581 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-15 03:23:35,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-15 03:23:35,667 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-04-15 03:23:35,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-15 03:23:35,686 INFO L290 TraceCheckUtils]: 0: Hoare triple {773#(and (= ~counter~0 |old(~counter~0)|) (= |#NULL.offset| |old(#NULL.offset)|) (= |old(#NULL.base)| |#NULL.base|))} [101] ULTIMATE.initENTRY-->ULTIMATE.initFINAL: Formula: (let ((.cse0 (select |v_#memory_int_1| 1))) (and (= 48 (select .cse0 0)) (= (select |v_#valid_1| 2) 1) (= (select |v_#valid_1| 0) 0) (< 0 |v_#StackHeapBarrier_1|) (= |v_#NULL.base_1| 0) (= 1 (select |v_#valid_1| 3)) (= (select |v_#length_1| 2) 9) (= (select |v_#length_1| 3) 12) (= (select |v_#valid_1| 1) 1) (= 2 (select |v_#length_1| 1)) (= (select .cse0 1) 0) (= |v_#NULL.offset_1| 0) (= v_~counter~0_5 0))) InVars {#memory_int=|v_#memory_int_1|, #StackHeapBarrier=|v_#StackHeapBarrier_1|, #length=|v_#length_1|, #valid=|v_#valid_1|} OutVars{~counter~0=v_~counter~0_5, #StackHeapBarrier=|v_#StackHeapBarrier_1|, #valid=|v_#valid_1|, #memory_int=|v_#memory_int_1|, #NULL.offset=|v_#NULL.offset_1|, #length=|v_#length_1|, #NULL.base=|v_#NULL.base_1|} AuxVars[] AssignedVars[~counter~0, #NULL.offset, #NULL.base] {757#true} is VALID [2022-04-15 03:23:35,686 INFO L290 TraceCheckUtils]: 1: Hoare triple {757#true} [104] ULTIMATE.initFINAL-->ULTIMATE.initEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {757#true} is VALID [2022-04-15 03:23:35,686 INFO L284 TraceCheckUtils]: 2: Hoare quadruple {757#true} {757#true} [140] ULTIMATE.initEXIT-->L-1: AOR: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] LVA: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {757#true} is VALID [2022-04-15 03:23:35,686 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-04-15 03:23:35,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-15 03:23:35,697 INFO L290 TraceCheckUtils]: 0: Hoare triple {757#true} [107] assume_abort_if_notENTRY-->L12: Formula: (= |v_assume_abort_if_not_#in~cond_1| v_assume_abort_if_not_~cond_1) InVars {assume_abort_if_not_#in~cond=|v_assume_abort_if_not_#in~cond_1|} OutVars{assume_abort_if_not_#in~cond=|v_assume_abort_if_not_#in~cond_1|, assume_abort_if_not_~cond=v_assume_abort_if_not_~cond_1} AuxVars[] AssignedVars[assume_abort_if_not_~cond] {757#true} is VALID [2022-04-15 03:23:35,697 INFO L290 TraceCheckUtils]: 1: Hoare triple {757#true} [111] L12-->L12-2: Formula: (not (= v_assume_abort_if_not_~cond_3 0)) InVars {assume_abort_if_not_~cond=v_assume_abort_if_not_~cond_3} OutVars{assume_abort_if_not_~cond=v_assume_abort_if_not_~cond_3} AuxVars[] AssignedVars[] {757#true} is VALID [2022-04-15 03:23:35,697 INFO L290 TraceCheckUtils]: 2: Hoare triple {757#true} [116] L12-2-->assume_abort_if_notEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {757#true} is VALID [2022-04-15 03:23:35,698 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {757#true} {757#true} [141] assume_abort_if_notEXIT-->L28-1: AOR: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] LVA: Formula: (= (ite (<= 1 (mod v_main_~B~0_10 4294967296)) 1 0) |v_assume_abort_if_not_#in~condInParam_1|) InVars {main_~B~0=v_main_~B~0_10} OutVars{assume_abort_if_not_#in~cond=|v_assume_abort_if_not_#in~condInParam_1|} AuxVars[] AssignedVars[main_~B~0, assume_abort_if_not_#in~cond] {757#true} is VALID [2022-04-15 03:23:35,698 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-04-15 03:23:35,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-15 03:23:35,711 INFO L290 TraceCheckUtils]: 0: Hoare triple {757#true} [122] __VERIFIER_assertENTRY-->L15: Formula: (= v___VERIFIER_assert_~cond_1 |v___VERIFIER_assert_#in~cond_1|) InVars {__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~cond_1|} OutVars{__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~cond_1|, __VERIFIER_assert_~cond=v___VERIFIER_assert_~cond_1} AuxVars[] AssignedVars[__VERIFIER_assert_~cond] {757#true} is VALID [2022-04-15 03:23:35,712 INFO L290 TraceCheckUtils]: 1: Hoare triple {757#true} [127] L15-->L15-2: Formula: (not (= v___VERIFIER_assert_~cond_3 0)) InVars {__VERIFIER_assert_~cond=v___VERIFIER_assert_~cond_3} OutVars{__VERIFIER_assert_~cond=v___VERIFIER_assert_~cond_3} AuxVars[] AssignedVars[] {757#true} is VALID [2022-04-15 03:23:35,712 INFO L290 TraceCheckUtils]: 2: Hoare triple {757#true} [133] L15-2-->__VERIFIER_assertEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {757#true} is VALID [2022-04-15 03:23:35,713 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {757#true} {766#(= (+ main_~A~0 (* (- 1) main_~r~0)) 0)} [143] __VERIFIER_assertEXIT-->L36-1: AOR: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] LVA: Formula: (= (ite (= (mod v_main_~q~0_8 4294967296) 0) 1 0) |v___VERIFIER_assert_#in~condInParam_1|) InVars {main_~q~0=v_main_~q~0_8} OutVars{__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~condInParam_1|} AuxVars[] AssignedVars[main_~q~0, __VERIFIER_assert_#in~cond] {766#(= (+ main_~A~0 (* (- 1) main_~r~0)) 0)} is VALID [2022-04-15 03:23:35,714 INFO L272 TraceCheckUtils]: 0: Hoare triple {757#true} [99] ULTIMATE.startENTRY-->ULTIMATE.initENTRY: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {773#(and (= ~counter~0 |old(~counter~0)|) (= |#NULL.offset| |old(#NULL.offset)|) (= |old(#NULL.base)| |#NULL.base|))} is VALID [2022-04-15 03:23:35,715 INFO L290 TraceCheckUtils]: 1: Hoare triple {773#(and (= ~counter~0 |old(~counter~0)|) (= |#NULL.offset| |old(#NULL.offset)|) (= |old(#NULL.base)| |#NULL.base|))} [101] ULTIMATE.initENTRY-->ULTIMATE.initFINAL: Formula: (let ((.cse0 (select |v_#memory_int_1| 1))) (and (= 48 (select .cse0 0)) (= (select |v_#valid_1| 2) 1) (= (select |v_#valid_1| 0) 0) (< 0 |v_#StackHeapBarrier_1|) (= |v_#NULL.base_1| 0) (= 1 (select |v_#valid_1| 3)) (= (select |v_#length_1| 2) 9) (= (select |v_#length_1| 3) 12) (= (select |v_#valid_1| 1) 1) (= 2 (select |v_#length_1| 1)) (= (select .cse0 1) 0) (= |v_#NULL.offset_1| 0) (= v_~counter~0_5 0))) InVars {#memory_int=|v_#memory_int_1|, #StackHeapBarrier=|v_#StackHeapBarrier_1|, #length=|v_#length_1|, #valid=|v_#valid_1|} OutVars{~counter~0=v_~counter~0_5, #StackHeapBarrier=|v_#StackHeapBarrier_1|, #valid=|v_#valid_1|, #memory_int=|v_#memory_int_1|, #NULL.offset=|v_#NULL.offset_1|, #length=|v_#length_1|, #NULL.base=|v_#NULL.base_1|} AuxVars[] AssignedVars[~counter~0, #NULL.offset, #NULL.base] {757#true} is VALID [2022-04-15 03:23:35,716 INFO L290 TraceCheckUtils]: 2: Hoare triple {757#true} [104] ULTIMATE.initFINAL-->ULTIMATE.initEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {757#true} is VALID [2022-04-15 03:23:35,716 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {757#true} {757#true} [140] ULTIMATE.initEXIT-->L-1: AOR: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] LVA: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {757#true} is VALID [2022-04-15 03:23:35,716 INFO L272 TraceCheckUtils]: 4: Hoare triple {757#true} [100] L-1-->mainENTRY: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {757#true} is VALID [2022-04-15 03:23:35,717 INFO L290 TraceCheckUtils]: 5: Hoare triple {757#true} [103] mainENTRY-->L28: Formula: (and (= v_main_~A~0_1 |v_main_#t~nondet4_2|) (= v_main_~B~0_1 |v_main_#t~nondet5_2|)) InVars {main_#t~nondet5=|v_main_#t~nondet5_2|, main_#t~nondet4=|v_main_#t~nondet4_2|} OutVars{main_~q~0=v_main_~q~0_1, main_~d~0=v_main_~d~0_1, main_~B~0=v_main_~B~0_1, main_~A~0=v_main_~A~0_1, main_~p~0=v_main_~p~0_1, main_~r~0=v_main_~r~0_1} AuxVars[] AssignedVars[main_#t~nondet5, main_~q~0, main_#t~nondet4, main_~d~0, main_~B~0, main_~A~0, main_~p~0, main_~r~0] {757#true} is VALID [2022-04-15 03:23:35,717 INFO L272 TraceCheckUtils]: 6: Hoare triple {757#true} [105] L28-->assume_abort_if_notENTRY: Formula: (= (ite (<= 1 (mod v_main_~B~0_10 4294967296)) 1 0) |v_assume_abort_if_not_#in~condInParam_1|) InVars {main_~B~0=v_main_~B~0_10} OutVars{assume_abort_if_not_#in~cond=|v_assume_abort_if_not_#in~condInParam_1|} AuxVars[] AssignedVars[main_~B~0, assume_abort_if_not_#in~cond] {757#true} is VALID [2022-04-15 03:23:35,717 INFO L290 TraceCheckUtils]: 7: Hoare triple {757#true} [107] assume_abort_if_notENTRY-->L12: Formula: (= |v_assume_abort_if_not_#in~cond_1| v_assume_abort_if_not_~cond_1) InVars {assume_abort_if_not_#in~cond=|v_assume_abort_if_not_#in~cond_1|} OutVars{assume_abort_if_not_#in~cond=|v_assume_abort_if_not_#in~cond_1|, assume_abort_if_not_~cond=v_assume_abort_if_not_~cond_1} AuxVars[] AssignedVars[assume_abort_if_not_~cond] {757#true} is VALID [2022-04-15 03:23:35,717 INFO L290 TraceCheckUtils]: 8: Hoare triple {757#true} [111] L12-->L12-2: Formula: (not (= v_assume_abort_if_not_~cond_3 0)) InVars {assume_abort_if_not_~cond=v_assume_abort_if_not_~cond_3} OutVars{assume_abort_if_not_~cond=v_assume_abort_if_not_~cond_3} AuxVars[] AssignedVars[] {757#true} is VALID [2022-04-15 03:23:35,718 INFO L290 TraceCheckUtils]: 9: Hoare triple {757#true} [116] L12-2-->assume_abort_if_notEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {757#true} is VALID [2022-04-15 03:23:35,718 INFO L284 TraceCheckUtils]: 10: Hoare quadruple {757#true} {757#true} [141] assume_abort_if_notEXIT-->L28-1: AOR: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] LVA: Formula: (= (ite (<= 1 (mod v_main_~B~0_10 4294967296)) 1 0) |v_assume_abort_if_not_#in~condInParam_1|) InVars {main_~B~0=v_main_~B~0_10} OutVars{assume_abort_if_not_#in~cond=|v_assume_abort_if_not_#in~condInParam_1|} AuxVars[] AssignedVars[main_~B~0, assume_abort_if_not_#in~cond] {757#true} is VALID [2022-04-15 03:23:35,722 INFO L290 TraceCheckUtils]: 11: Hoare triple {757#true} [106] L28-1-->L35-3: Formula: (and (= v_main_~B~0_5 v_main_~d~0_2) (= v_main_~A~0_4 v_main_~r~0_2) (= v_main_~q~0_2 0) (= v_main_~p~0_2 1)) InVars {main_~A~0=v_main_~A~0_4, main_~B~0=v_main_~B~0_5} OutVars{main_~q~0=v_main_~q~0_2, main_~d~0=v_main_~d~0_2, main_~B~0=v_main_~B~0_5, main_~A~0=v_main_~A~0_4, main_~p~0=v_main_~p~0_2, main_~r~0=v_main_~r~0_2} AuxVars[] AssignedVars[main_~q~0, main_~d~0, main_~p~0, main_~r~0] {766#(= (+ main_~A~0 (* (- 1) main_~r~0)) 0)} is VALID [2022-04-15 03:23:35,722 INFO L290 TraceCheckUtils]: 12: Hoare triple {766#(= (+ main_~A~0 (* (- 1) main_~r~0)) 0)} [109] L35-3-->L35-1: Formula: (and (= |v_main_#t~post6_1| v_~counter~0_2) (= v_~counter~0_1 (+ |v_main_#t~post6_1| 1))) InVars {~counter~0=v_~counter~0_2} OutVars{~counter~0=v_~counter~0_1, main_#t~post6=|v_main_#t~post6_1|} AuxVars[] AssignedVars[~counter~0, main_#t~post6] {766#(= (+ main_~A~0 (* (- 1) main_~r~0)) 0)} is VALID [2022-04-15 03:23:35,723 INFO L290 TraceCheckUtils]: 13: Hoare triple {766#(= (+ main_~A~0 (* (- 1) main_~r~0)) 0)} [115] L35-1-->L36: Formula: (< |v_main_#t~post6_5| 2) InVars {main_#t~post6=|v_main_#t~post6_5|} OutVars{} AuxVars[] AssignedVars[main_#t~post6] {766#(= (+ main_~A~0 (* (- 1) main_~r~0)) 0)} is VALID [2022-04-15 03:23:35,723 INFO L272 TraceCheckUtils]: 14: Hoare triple {766#(= (+ main_~A~0 (* (- 1) main_~r~0)) 0)} [120] L36-->__VERIFIER_assertENTRY: Formula: (= (ite (= (mod v_main_~q~0_8 4294967296) 0) 1 0) |v___VERIFIER_assert_#in~condInParam_1|) InVars {main_~q~0=v_main_~q~0_8} OutVars{__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~condInParam_1|} AuxVars[] AssignedVars[main_~q~0, __VERIFIER_assert_#in~cond] {757#true} is VALID [2022-04-15 03:23:35,723 INFO L290 TraceCheckUtils]: 15: Hoare triple {757#true} [122] __VERIFIER_assertENTRY-->L15: Formula: (= v___VERIFIER_assert_~cond_1 |v___VERIFIER_assert_#in~cond_1|) InVars {__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~cond_1|} OutVars{__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~cond_1|, __VERIFIER_assert_~cond=v___VERIFIER_assert_~cond_1} AuxVars[] AssignedVars[__VERIFIER_assert_~cond] {757#true} is VALID [2022-04-15 03:23:35,723 INFO L290 TraceCheckUtils]: 16: Hoare triple {757#true} [127] L15-->L15-2: Formula: (not (= v___VERIFIER_assert_~cond_3 0)) InVars {__VERIFIER_assert_~cond=v___VERIFIER_assert_~cond_3} OutVars{__VERIFIER_assert_~cond=v___VERIFIER_assert_~cond_3} AuxVars[] AssignedVars[] {757#true} is VALID [2022-04-15 03:23:35,723 INFO L290 TraceCheckUtils]: 17: Hoare triple {757#true} [133] L15-2-->__VERIFIER_assertEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {757#true} is VALID [2022-04-15 03:23:35,724 INFO L284 TraceCheckUtils]: 18: Hoare quadruple {757#true} {766#(= (+ main_~A~0 (* (- 1) main_~r~0)) 0)} [143] __VERIFIER_assertEXIT-->L36-1: AOR: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] LVA: Formula: (= (ite (= (mod v_main_~q~0_8 4294967296) 0) 1 0) |v___VERIFIER_assert_#in~condInParam_1|) InVars {main_~q~0=v_main_~q~0_8} OutVars{__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~condInParam_1|} AuxVars[] AssignedVars[main_~q~0, __VERIFIER_assert_#in~cond] {766#(= (+ main_~A~0 (* (- 1) main_~r~0)) 0)} is VALID [2022-04-15 03:23:35,725 INFO L272 TraceCheckUtils]: 19: Hoare triple {766#(= (+ main_~A~0 (* (- 1) main_~r~0)) 0)} [124] L36-1-->__VERIFIER_assertENTRY: Formula: (= (ite (= (mod v_main_~A~0_8 4294967296) (mod v_main_~r~0_11 4294967296)) 1 0) |v___VERIFIER_assert_#in~condInParam_2|) InVars {main_~A~0=v_main_~A~0_8, main_~r~0=v_main_~r~0_11} OutVars{__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~condInParam_2|} AuxVars[] AssignedVars[__VERIFIER_assert_#in~cond, main_~A~0, main_~r~0] {771#(not (= |__VERIFIER_assert_#in~cond| 0))} is VALID [2022-04-15 03:23:35,728 INFO L290 TraceCheckUtils]: 20: Hoare triple {771#(not (= |__VERIFIER_assert_#in~cond| 0))} [122] __VERIFIER_assertENTRY-->L15: Formula: (= v___VERIFIER_assert_~cond_1 |v___VERIFIER_assert_#in~cond_1|) InVars {__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~cond_1|} OutVars{__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~cond_1|, __VERIFIER_assert_~cond=v___VERIFIER_assert_~cond_1} AuxVars[] AssignedVars[__VERIFIER_assert_~cond] {772#(not (= __VERIFIER_assert_~cond 0))} is VALID [2022-04-15 03:23:35,729 INFO L290 TraceCheckUtils]: 21: Hoare triple {772#(not (= __VERIFIER_assert_~cond 0))} [126] L15-->L16: Formula: (= v___VERIFIER_assert_~cond_2 0) InVars {__VERIFIER_assert_~cond=v___VERIFIER_assert_~cond_2} OutVars{__VERIFIER_assert_~cond=v___VERIFIER_assert_~cond_2} AuxVars[] AssignedVars[] {758#false} is VALID [2022-04-15 03:23:35,729 INFO L290 TraceCheckUtils]: 22: Hoare triple {758#false} [131] L16-->__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {758#false} is VALID [2022-04-15 03:23:35,729 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-15 03:23:35,729 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-15 03:23:35,730 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1874217194] [2022-04-15 03:23:35,730 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1874217194] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-15 03:23:35,730 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-15 03:23:35,730 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-04-15 03:23:35,730 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1378363337] [2022-04-15 03:23:35,730 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-15 03:23:35,731 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 2.5) internal successors, (15), 4 states have internal predecessors, (15), 2 states have call successors, (5), 3 states have call predecessors, (5), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 23 [2022-04-15 03:23:35,731 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-04-15 03:23:35,731 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with has 6 states, 6 states have (on average 2.5) internal successors, (15), 4 states have internal predecessors, (15), 2 states have call successors, (5), 3 states have call predecessors, (5), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2022-04-15 03:23:35,748 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 23 edges. 23 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-15 03:23:35,748 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-04-15 03:23:35,748 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-15 03:23:35,749 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-04-15 03:23:35,749 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-04-15 03:23:35,749 INFO L87 Difference]: Start difference. First operand 38 states and 47 transitions. Second operand has 6 states, 6 states have (on average 2.5) internal successors, (15), 4 states have internal predecessors, (15), 2 states have call successors, (5), 3 states have call predecessors, (5), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2022-04-15 03:23:36,144 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-15 03:23:36,144 INFO L93 Difference]: Finished difference Result 52 states and 66 transitions. [2022-04-15 03:23:36,144 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-04-15 03:23:36,144 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 2.5) internal successors, (15), 4 states have internal predecessors, (15), 2 states have call successors, (5), 3 states have call predecessors, (5), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 23 [2022-04-15 03:23:36,145 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-15 03:23:36,145 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6 states, 6 states have (on average 2.5) internal successors, (15), 4 states have internal predecessors, (15), 2 states have call successors, (5), 3 states have call predecessors, (5), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2022-04-15 03:23:36,148 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 62 transitions. [2022-04-15 03:23:36,148 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6 states, 6 states have (on average 2.5) internal successors, (15), 4 states have internal predecessors, (15), 2 states have call successors, (5), 3 states have call predecessors, (5), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2022-04-15 03:23:36,151 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 62 transitions. [2022-04-15 03:23:36,151 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with 8 states and 62 transitions. [2022-04-15 03:23:36,219 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 62 edges. 62 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-15 03:23:36,222 INFO L225 Difference]: With dead ends: 52 [2022-04-15 03:23:36,222 INFO L226 Difference]: Without dead ends: 50 [2022-04-15 03:23:36,224 INFO L912 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=28, Invalid=62, Unknown=0, NotChecked=0, Total=90 [2022-04-15 03:23:36,225 INFO L913 BasicCegarLoop]: 39 mSDtfsCounter, 23 mSDsluCounter, 44 mSDsCounter, 0 mSdLazyCounter, 112 mSolverCounterSat, 14 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 29 SdHoareTripleChecker+Valid, 83 SdHoareTripleChecker+Invalid, 126 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 112 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-04-15 03:23:36,226 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [29 Valid, 83 Invalid, 126 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [14 Valid, 112 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-04-15 03:23:36,226 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 50 states. [2022-04-15 03:23:36,242 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 50 to 42. [2022-04-15 03:23:36,242 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-04-15 03:23:36,243 INFO L82 GeneralOperation]: Start isEquivalent. First operand 50 states. Second operand has 42 states, 26 states have (on average 1.2307692307692308) internal successors, (32), 27 states have internal predecessors, (32), 10 states have call successors, (10), 6 states have call predecessors, (10), 5 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2022-04-15 03:23:36,243 INFO L74 IsIncluded]: Start isIncluded. First operand 50 states. Second operand has 42 states, 26 states have (on average 1.2307692307692308) internal successors, (32), 27 states have internal predecessors, (32), 10 states have call successors, (10), 6 states have call predecessors, (10), 5 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2022-04-15 03:23:36,243 INFO L87 Difference]: Start difference. First operand 50 states. Second operand has 42 states, 26 states have (on average 1.2307692307692308) internal successors, (32), 27 states have internal predecessors, (32), 10 states have call successors, (10), 6 states have call predecessors, (10), 5 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2022-04-15 03:23:36,245 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-15 03:23:36,245 INFO L93 Difference]: Finished difference Result 50 states and 64 transitions. [2022-04-15 03:23:36,246 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 64 transitions. [2022-04-15 03:23:36,246 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-15 03:23:36,246 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-15 03:23:36,246 INFO L74 IsIncluded]: Start isIncluded. First operand has 42 states, 26 states have (on average 1.2307692307692308) internal successors, (32), 27 states have internal predecessors, (32), 10 states have call successors, (10), 6 states have call predecessors, (10), 5 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) Second operand 50 states. [2022-04-15 03:23:36,247 INFO L87 Difference]: Start difference. First operand has 42 states, 26 states have (on average 1.2307692307692308) internal successors, (32), 27 states have internal predecessors, (32), 10 states have call successors, (10), 6 states have call predecessors, (10), 5 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) Second operand 50 states. [2022-04-15 03:23:36,249 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-15 03:23:36,249 INFO L93 Difference]: Finished difference Result 50 states and 64 transitions. [2022-04-15 03:23:36,249 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 64 transitions. [2022-04-15 03:23:36,249 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-15 03:23:36,249 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-15 03:23:36,249 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-04-15 03:23:36,249 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-04-15 03:23:36,250 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 42 states, 26 states have (on average 1.2307692307692308) internal successors, (32), 27 states have internal predecessors, (32), 10 states have call successors, (10), 6 states have call predecessors, (10), 5 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2022-04-15 03:23:36,255 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 42 states and 50 transitions. [2022-04-15 03:23:36,255 INFO L78 Accepts]: Start accepts. Automaton has 42 states and 50 transitions. Word has length 23 [2022-04-15 03:23:36,256 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-15 03:23:36,256 INFO L478 AbstractCegarLoop]: Abstraction has 42 states and 50 transitions. [2022-04-15 03:23:36,256 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 2.5) internal successors, (15), 4 states have internal predecessors, (15), 2 states have call successors, (5), 3 states have call predecessors, (5), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2022-04-15 03:23:36,256 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 50 transitions. [2022-04-15 03:23:36,257 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2022-04-15 03:23:36,257 INFO L491 BasicCegarLoop]: Found error trace [2022-04-15 03:23:36,257 INFO L499 BasicCegarLoop]: trace histogram [3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-04-15 03:23:36,257 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-04-15 03:23:36,258 INFO L403 AbstractCegarLoop]: === Iteration 5 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-15 03:23:36,258 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-15 03:23:36,258 INFO L85 PathProgramCache]: Analyzing trace with hash 135546551, now seen corresponding path program 1 times [2022-04-15 03:23:36,258 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-15 03:23:36,259 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1105100367] [2022-04-15 03:23:36,259 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-15 03:23:36,259 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-15 03:23:36,284 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-04-15 03:23:36,285 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [106114586] [2022-04-15 03:23:36,285 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-15 03:23:36,285 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-04-15 03:23:36,285 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-04-15 03:23:36,286 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) [2022-04-15 03:23:36,287 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-04-15 03:23:36,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-15 03:23:36,337 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 7 conjunts are in the unsatisfiable core [2022-04-15 03:23:36,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-15 03:23:36,349 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-04-15 03:23:36,506 INFO L272 TraceCheckUtils]: 0: Hoare triple {1018#true} [99] ULTIMATE.startENTRY-->ULTIMATE.initENTRY: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {1018#true} is VALID [2022-04-15 03:23:36,507 INFO L290 TraceCheckUtils]: 1: Hoare triple {1018#true} [101] ULTIMATE.initENTRY-->ULTIMATE.initFINAL: Formula: (let ((.cse0 (select |v_#memory_int_1| 1))) (and (= 48 (select .cse0 0)) (= (select |v_#valid_1| 2) 1) (= (select |v_#valid_1| 0) 0) (< 0 |v_#StackHeapBarrier_1|) (= |v_#NULL.base_1| 0) (= 1 (select |v_#valid_1| 3)) (= (select |v_#length_1| 2) 9) (= (select |v_#length_1| 3) 12) (= (select |v_#valid_1| 1) 1) (= 2 (select |v_#length_1| 1)) (= (select .cse0 1) 0) (= |v_#NULL.offset_1| 0) (= v_~counter~0_5 0))) InVars {#memory_int=|v_#memory_int_1|, #StackHeapBarrier=|v_#StackHeapBarrier_1|, #length=|v_#length_1|, #valid=|v_#valid_1|} OutVars{~counter~0=v_~counter~0_5, #StackHeapBarrier=|v_#StackHeapBarrier_1|, #valid=|v_#valid_1|, #memory_int=|v_#memory_int_1|, #NULL.offset=|v_#NULL.offset_1|, #length=|v_#length_1|, #NULL.base=|v_#NULL.base_1|} AuxVars[] AssignedVars[~counter~0, #NULL.offset, #NULL.base] {1018#true} is VALID [2022-04-15 03:23:36,507 INFO L290 TraceCheckUtils]: 2: Hoare triple {1018#true} [104] ULTIMATE.initFINAL-->ULTIMATE.initEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {1018#true} is VALID [2022-04-15 03:23:36,507 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {1018#true} {1018#true} [140] ULTIMATE.initEXIT-->L-1: AOR: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] LVA: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {1018#true} is VALID [2022-04-15 03:23:36,507 INFO L272 TraceCheckUtils]: 4: Hoare triple {1018#true} [100] L-1-->mainENTRY: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {1018#true} is VALID [2022-04-15 03:23:36,508 INFO L290 TraceCheckUtils]: 5: Hoare triple {1018#true} [103] mainENTRY-->L28: Formula: (and (= v_main_~A~0_1 |v_main_#t~nondet4_2|) (= v_main_~B~0_1 |v_main_#t~nondet5_2|)) InVars {main_#t~nondet5=|v_main_#t~nondet5_2|, main_#t~nondet4=|v_main_#t~nondet4_2|} OutVars{main_~q~0=v_main_~q~0_1, main_~d~0=v_main_~d~0_1, main_~B~0=v_main_~B~0_1, main_~A~0=v_main_~A~0_1, main_~p~0=v_main_~p~0_1, main_~r~0=v_main_~r~0_1} AuxVars[] AssignedVars[main_#t~nondet5, main_~q~0, main_#t~nondet4, main_~d~0, main_~B~0, main_~A~0, main_~p~0, main_~r~0] {1018#true} is VALID [2022-04-15 03:23:36,508 INFO L272 TraceCheckUtils]: 6: Hoare triple {1018#true} [105] L28-->assume_abort_if_notENTRY: Formula: (= (ite (<= 1 (mod v_main_~B~0_10 4294967296)) 1 0) |v_assume_abort_if_not_#in~condInParam_1|) InVars {main_~B~0=v_main_~B~0_10} OutVars{assume_abort_if_not_#in~cond=|v_assume_abort_if_not_#in~condInParam_1|} AuxVars[] AssignedVars[main_~B~0, assume_abort_if_not_#in~cond] {1018#true} is VALID [2022-04-15 03:23:36,508 INFO L290 TraceCheckUtils]: 7: Hoare triple {1018#true} [107] assume_abort_if_notENTRY-->L12: Formula: (= |v_assume_abort_if_not_#in~cond_1| v_assume_abort_if_not_~cond_1) InVars {assume_abort_if_not_#in~cond=|v_assume_abort_if_not_#in~cond_1|} OutVars{assume_abort_if_not_#in~cond=|v_assume_abort_if_not_#in~cond_1|, assume_abort_if_not_~cond=v_assume_abort_if_not_~cond_1} AuxVars[] AssignedVars[assume_abort_if_not_~cond] {1018#true} is VALID [2022-04-15 03:23:36,508 INFO L290 TraceCheckUtils]: 8: Hoare triple {1018#true} [111] L12-->L12-2: Formula: (not (= v_assume_abort_if_not_~cond_3 0)) InVars {assume_abort_if_not_~cond=v_assume_abort_if_not_~cond_3} OutVars{assume_abort_if_not_~cond=v_assume_abort_if_not_~cond_3} AuxVars[] AssignedVars[] {1018#true} is VALID [2022-04-15 03:23:36,508 INFO L290 TraceCheckUtils]: 9: Hoare triple {1018#true} [116] L12-2-->assume_abort_if_notEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {1018#true} is VALID [2022-04-15 03:23:36,509 INFO L284 TraceCheckUtils]: 10: Hoare quadruple {1018#true} {1018#true} [141] assume_abort_if_notEXIT-->L28-1: AOR: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] LVA: Formula: (= (ite (<= 1 (mod v_main_~B~0_10 4294967296)) 1 0) |v_assume_abort_if_not_#in~condInParam_1|) InVars {main_~B~0=v_main_~B~0_10} OutVars{assume_abort_if_not_#in~cond=|v_assume_abort_if_not_#in~condInParam_1|} AuxVars[] AssignedVars[main_~B~0, assume_abort_if_not_#in~cond] {1018#true} is VALID [2022-04-15 03:23:36,511 INFO L290 TraceCheckUtils]: 11: Hoare triple {1018#true} [106] L28-1-->L35-3: Formula: (and (= v_main_~B~0_5 v_main_~d~0_2) (= v_main_~A~0_4 v_main_~r~0_2) (= v_main_~q~0_2 0) (= v_main_~p~0_2 1)) InVars {main_~A~0=v_main_~A~0_4, main_~B~0=v_main_~B~0_5} OutVars{main_~q~0=v_main_~q~0_2, main_~d~0=v_main_~d~0_2, main_~B~0=v_main_~B~0_5, main_~A~0=v_main_~A~0_4, main_~p~0=v_main_~p~0_2, main_~r~0=v_main_~r~0_2} AuxVars[] AssignedVars[main_~q~0, main_~d~0, main_~p~0, main_~r~0] {1056#(and (= main_~B~0 main_~d~0) (= main_~p~0 1))} is VALID [2022-04-15 03:23:36,512 INFO L290 TraceCheckUtils]: 12: Hoare triple {1056#(and (= main_~B~0 main_~d~0) (= main_~p~0 1))} [109] L35-3-->L35-1: Formula: (and (= |v_main_#t~post6_1| v_~counter~0_2) (= v_~counter~0_1 (+ |v_main_#t~post6_1| 1))) InVars {~counter~0=v_~counter~0_2} OutVars{~counter~0=v_~counter~0_1, main_#t~post6=|v_main_#t~post6_1|} AuxVars[] AssignedVars[~counter~0, main_#t~post6] {1056#(and (= main_~B~0 main_~d~0) (= main_~p~0 1))} is VALID [2022-04-15 03:23:36,512 INFO L290 TraceCheckUtils]: 13: Hoare triple {1056#(and (= main_~B~0 main_~d~0) (= main_~p~0 1))} [115] L35-1-->L36: Formula: (< |v_main_#t~post6_5| 2) InVars {main_#t~post6=|v_main_#t~post6_5|} OutVars{} AuxVars[] AssignedVars[main_#t~post6] {1056#(and (= main_~B~0 main_~d~0) (= main_~p~0 1))} is VALID [2022-04-15 03:23:36,512 INFO L272 TraceCheckUtils]: 14: Hoare triple {1056#(and (= main_~B~0 main_~d~0) (= main_~p~0 1))} [120] L36-->__VERIFIER_assertENTRY: Formula: (= (ite (= (mod v_main_~q~0_8 4294967296) 0) 1 0) |v___VERIFIER_assert_#in~condInParam_1|) InVars {main_~q~0=v_main_~q~0_8} OutVars{__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~condInParam_1|} AuxVars[] AssignedVars[main_~q~0, __VERIFIER_assert_#in~cond] {1018#true} is VALID [2022-04-15 03:23:36,513 INFO L290 TraceCheckUtils]: 15: Hoare triple {1018#true} [122] __VERIFIER_assertENTRY-->L15: Formula: (= v___VERIFIER_assert_~cond_1 |v___VERIFIER_assert_#in~cond_1|) InVars {__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~cond_1|} OutVars{__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~cond_1|, __VERIFIER_assert_~cond=v___VERIFIER_assert_~cond_1} AuxVars[] AssignedVars[__VERIFIER_assert_~cond] {1018#true} is VALID [2022-04-15 03:23:36,513 INFO L290 TraceCheckUtils]: 16: Hoare triple {1018#true} [127] L15-->L15-2: Formula: (not (= v___VERIFIER_assert_~cond_3 0)) InVars {__VERIFIER_assert_~cond=v___VERIFIER_assert_~cond_3} OutVars{__VERIFIER_assert_~cond=v___VERIFIER_assert_~cond_3} AuxVars[] AssignedVars[] {1018#true} is VALID [2022-04-15 03:23:36,513 INFO L290 TraceCheckUtils]: 17: Hoare triple {1018#true} [133] L15-2-->__VERIFIER_assertEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {1018#true} is VALID [2022-04-15 03:23:36,517 INFO L284 TraceCheckUtils]: 18: Hoare quadruple {1018#true} {1056#(and (= main_~B~0 main_~d~0) (= main_~p~0 1))} [143] __VERIFIER_assertEXIT-->L36-1: AOR: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] LVA: Formula: (= (ite (= (mod v_main_~q~0_8 4294967296) 0) 1 0) |v___VERIFIER_assert_#in~condInParam_1|) InVars {main_~q~0=v_main_~q~0_8} OutVars{__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~condInParam_1|} AuxVars[] AssignedVars[main_~q~0, __VERIFIER_assert_#in~cond] {1056#(and (= main_~B~0 main_~d~0) (= main_~p~0 1))} is VALID [2022-04-15 03:23:36,517 INFO L272 TraceCheckUtils]: 19: Hoare triple {1056#(and (= main_~B~0 main_~d~0) (= main_~p~0 1))} [124] L36-1-->__VERIFIER_assertENTRY: Formula: (= (ite (= (mod v_main_~A~0_8 4294967296) (mod v_main_~r~0_11 4294967296)) 1 0) |v___VERIFIER_assert_#in~condInParam_2|) InVars {main_~A~0=v_main_~A~0_8, main_~r~0=v_main_~r~0_11} OutVars{__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~condInParam_2|} AuxVars[] AssignedVars[__VERIFIER_assert_#in~cond, main_~A~0, main_~r~0] {1018#true} is VALID [2022-04-15 03:23:36,517 INFO L290 TraceCheckUtils]: 20: Hoare triple {1018#true} [122] __VERIFIER_assertENTRY-->L15: Formula: (= v___VERIFIER_assert_~cond_1 |v___VERIFIER_assert_#in~cond_1|) InVars {__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~cond_1|} OutVars{__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~cond_1|, __VERIFIER_assert_~cond=v___VERIFIER_assert_~cond_1} AuxVars[] AssignedVars[__VERIFIER_assert_~cond] {1018#true} is VALID [2022-04-15 03:23:36,517 INFO L290 TraceCheckUtils]: 21: Hoare triple {1018#true} [127] L15-->L15-2: Formula: (not (= v___VERIFIER_assert_~cond_3 0)) InVars {__VERIFIER_assert_~cond=v___VERIFIER_assert_~cond_3} OutVars{__VERIFIER_assert_~cond=v___VERIFIER_assert_~cond_3} AuxVars[] AssignedVars[] {1018#true} is VALID [2022-04-15 03:23:36,517 INFO L290 TraceCheckUtils]: 22: Hoare triple {1018#true} [133] L15-2-->__VERIFIER_assertEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {1018#true} is VALID [2022-04-15 03:23:36,518 INFO L284 TraceCheckUtils]: 23: Hoare quadruple {1018#true} {1056#(and (= main_~B~0 main_~d~0) (= main_~p~0 1))} [144] __VERIFIER_assertEXIT-->L37: AOR: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] LVA: Formula: (= (ite (= (mod v_main_~A~0_8 4294967296) (mod v_main_~r~0_11 4294967296)) 1 0) |v___VERIFIER_assert_#in~condInParam_2|) InVars {main_~A~0=v_main_~A~0_8, main_~r~0=v_main_~r~0_11} OutVars{__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~condInParam_2|} AuxVars[] AssignedVars[__VERIFIER_assert_#in~cond, main_~A~0, main_~r~0] {1056#(and (= main_~B~0 main_~d~0) (= main_~p~0 1))} is VALID [2022-04-15 03:23:36,519 INFO L272 TraceCheckUtils]: 24: Hoare triple {1056#(and (= main_~B~0 main_~d~0) (= main_~p~0 1))} [129] L37-->__VERIFIER_assertENTRY: Formula: (= |v___VERIFIER_assert_#in~condInParam_3| (ite (= (mod v_main_~d~0_14 4294967296) (mod (* v_main_~p~0_11 v_main_~B~0_11) 4294967296)) 1 0)) InVars {main_~d~0=v_main_~d~0_14, main_~B~0=v_main_~B~0_11, main_~p~0=v_main_~p~0_11} OutVars{__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~condInParam_3|} AuxVars[] AssignedVars[__VERIFIER_assert_#in~cond, main_~d~0, main_~B~0, main_~p~0] {1096#(<= 1 |__VERIFIER_assert_#in~cond|)} is VALID [2022-04-15 03:23:36,519 INFO L290 TraceCheckUtils]: 25: Hoare triple {1096#(<= 1 |__VERIFIER_assert_#in~cond|)} [122] __VERIFIER_assertENTRY-->L15: Formula: (= v___VERIFIER_assert_~cond_1 |v___VERIFIER_assert_#in~cond_1|) InVars {__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~cond_1|} OutVars{__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~cond_1|, __VERIFIER_assert_~cond=v___VERIFIER_assert_~cond_1} AuxVars[] AssignedVars[__VERIFIER_assert_~cond] {1100#(<= 1 __VERIFIER_assert_~cond)} is VALID [2022-04-15 03:23:36,520 INFO L290 TraceCheckUtils]: 26: Hoare triple {1100#(<= 1 __VERIFIER_assert_~cond)} [126] L15-->L16: Formula: (= v___VERIFIER_assert_~cond_2 0) InVars {__VERIFIER_assert_~cond=v___VERIFIER_assert_~cond_2} OutVars{__VERIFIER_assert_~cond=v___VERIFIER_assert_~cond_2} AuxVars[] AssignedVars[] {1019#false} is VALID [2022-04-15 03:23:36,520 INFO L290 TraceCheckUtils]: 27: Hoare triple {1019#false} [131] L16-->__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {1019#false} is VALID [2022-04-15 03:23:36,520 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-04-15 03:23:36,520 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-04-15 03:23:36,521 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-15 03:23:36,521 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1105100367] [2022-04-15 03:23:36,521 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-04-15 03:23:36,521 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [106114586] [2022-04-15 03:23:36,521 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [106114586] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-15 03:23:36,521 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-15 03:23:36,521 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-04-15 03:23:36,521 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1832297432] [2022-04-15 03:23:36,521 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-15 03:23:36,522 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 3.0) internal successors, (15), 4 states have internal predecessors, (15), 2 states have call successors, (6), 2 states have call predecessors, (6), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 28 [2022-04-15 03:23:36,522 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-04-15 03:23:36,522 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with has 5 states, 5 states have (on average 3.0) internal successors, (15), 4 states have internal predecessors, (15), 2 states have call successors, (6), 2 states have call predecessors, (6), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2022-04-15 03:23:36,545 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 25 edges. 25 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-15 03:23:36,545 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-04-15 03:23:36,545 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-15 03:23:36,545 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-04-15 03:23:36,546 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-04-15 03:23:36,546 INFO L87 Difference]: Start difference. First operand 42 states and 50 transitions. Second operand has 5 states, 5 states have (on average 3.0) internal successors, (15), 4 states have internal predecessors, (15), 2 states have call successors, (6), 2 states have call predecessors, (6), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2022-04-15 03:23:38,728 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-04-15 03:23:38,913 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-15 03:23:38,913 INFO L93 Difference]: Finished difference Result 59 states and 75 transitions. [2022-04-15 03:23:38,913 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-04-15 03:23:38,913 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 3.0) internal successors, (15), 4 states have internal predecessors, (15), 2 states have call successors, (6), 2 states have call predecessors, (6), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 28 [2022-04-15 03:23:38,914 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-15 03:23:38,915 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5 states, 5 states have (on average 3.0) internal successors, (15), 4 states have internal predecessors, (15), 2 states have call successors, (6), 2 states have call predecessors, (6), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2022-04-15 03:23:38,916 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 69 transitions. [2022-04-15 03:23:38,917 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5 states, 5 states have (on average 3.0) internal successors, (15), 4 states have internal predecessors, (15), 2 states have call successors, (6), 2 states have call predecessors, (6), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2022-04-15 03:23:38,918 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 69 transitions. [2022-04-15 03:23:38,918 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with 5 states and 69 transitions. [2022-04-15 03:23:38,992 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 69 edges. 69 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-15 03:23:38,994 INFO L225 Difference]: With dead ends: 59 [2022-04-15 03:23:38,994 INFO L226 Difference]: Without dead ends: 56 [2022-04-15 03:23:38,994 INFO L912 BasicCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-04-15 03:23:38,995 INFO L913 BasicCegarLoop]: 43 mSDtfsCounter, 10 mSDsluCounter, 97 mSDsCounter, 0 mSdLazyCounter, 47 mSolverCounterSat, 2 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 14 SdHoareTripleChecker+Valid, 140 SdHoareTripleChecker+Invalid, 50 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 47 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.1s IncrementalHoareTripleChecker+Time [2022-04-15 03:23:38,995 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [14 Valid, 140 Invalid, 50 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 47 Invalid, 1 Unknown, 0 Unchecked, 2.1s Time] [2022-04-15 03:23:38,995 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 56 states. [2022-04-15 03:23:39,006 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 56 to 56. [2022-04-15 03:23:39,006 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-04-15 03:23:39,006 INFO L82 GeneralOperation]: Start isEquivalent. First operand 56 states. Second operand has 56 states, 33 states have (on average 1.2727272727272727) internal successors, (42), 35 states have internal predecessors, (42), 16 states have call successors, (16), 7 states have call predecessors, (16), 6 states have return successors, (13), 13 states have call predecessors, (13), 13 states have call successors, (13) [2022-04-15 03:23:39,007 INFO L74 IsIncluded]: Start isIncluded. First operand 56 states. Second operand has 56 states, 33 states have (on average 1.2727272727272727) internal successors, (42), 35 states have internal predecessors, (42), 16 states have call successors, (16), 7 states have call predecessors, (16), 6 states have return successors, (13), 13 states have call predecessors, (13), 13 states have call successors, (13) [2022-04-15 03:23:39,007 INFO L87 Difference]: Start difference. First operand 56 states. Second operand has 56 states, 33 states have (on average 1.2727272727272727) internal successors, (42), 35 states have internal predecessors, (42), 16 states have call successors, (16), 7 states have call predecessors, (16), 6 states have return successors, (13), 13 states have call predecessors, (13), 13 states have call successors, (13) [2022-04-15 03:23:39,009 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-15 03:23:39,009 INFO L93 Difference]: Finished difference Result 56 states and 71 transitions. [2022-04-15 03:23:39,009 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 71 transitions. [2022-04-15 03:23:39,010 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-15 03:23:39,010 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-15 03:23:39,010 INFO L74 IsIncluded]: Start isIncluded. First operand has 56 states, 33 states have (on average 1.2727272727272727) internal successors, (42), 35 states have internal predecessors, (42), 16 states have call successors, (16), 7 states have call predecessors, (16), 6 states have return successors, (13), 13 states have call predecessors, (13), 13 states have call successors, (13) Second operand 56 states. [2022-04-15 03:23:39,010 INFO L87 Difference]: Start difference. First operand has 56 states, 33 states have (on average 1.2727272727272727) internal successors, (42), 35 states have internal predecessors, (42), 16 states have call successors, (16), 7 states have call predecessors, (16), 6 states have return successors, (13), 13 states have call predecessors, (13), 13 states have call successors, (13) Second operand 56 states. [2022-04-15 03:23:39,013 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-15 03:23:39,013 INFO L93 Difference]: Finished difference Result 56 states and 71 transitions. [2022-04-15 03:23:39,013 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 71 transitions. [2022-04-15 03:23:39,013 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-15 03:23:39,013 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-15 03:23:39,013 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-04-15 03:23:39,013 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-04-15 03:23:39,018 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 56 states, 33 states have (on average 1.2727272727272727) internal successors, (42), 35 states have internal predecessors, (42), 16 states have call successors, (16), 7 states have call predecessors, (16), 6 states have return successors, (13), 13 states have call predecessors, (13), 13 states have call successors, (13) [2022-04-15 03:23:39,020 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 56 states and 71 transitions. [2022-04-15 03:23:39,020 INFO L78 Accepts]: Start accepts. Automaton has 56 states and 71 transitions. Word has length 28 [2022-04-15 03:23:39,021 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-15 03:23:39,021 INFO L478 AbstractCegarLoop]: Abstraction has 56 states and 71 transitions. [2022-04-15 03:23:39,021 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 3.0) internal successors, (15), 4 states have internal predecessors, (15), 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) [2022-04-15 03:23:39,021 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 71 transitions. [2022-04-15 03:23:39,022 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2022-04-15 03:23:39,022 INFO L491 BasicCegarLoop]: Found error trace [2022-04-15 03:23:39,022 INFO L499 BasicCegarLoop]: trace histogram [4, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-04-15 03:23:39,045 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-04-15 03:23:39,240 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-04-15 03:23:39,241 INFO L403 AbstractCegarLoop]: === Iteration 6 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-15 03:23:39,241 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-15 03:23:39,241 INFO L85 PathProgramCache]: Analyzing trace with hash 1016025214, now seen corresponding path program 1 times [2022-04-15 03:23:39,241 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-15 03:23:39,241 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [987625057] [2022-04-15 03:23:39,241 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-15 03:23:39,241 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-15 03:23:39,262 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-04-15 03:23:39,262 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1545008151] [2022-04-15 03:23:39,263 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-15 03:23:39,263 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-04-15 03:23:39,263 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-04-15 03:23:39,271 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) [2022-04-15 03:23:39,273 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-04-15 03:23:39,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-15 03:23:39,324 INFO L263 TraceCheckSpWp]: Trace formula consists of 115 conjuncts, 7 conjunts are in the unsatisfiable core [2022-04-15 03:23:39,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-15 03:23:39,337 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-04-15 03:23:39,567 INFO L272 TraceCheckUtils]: 0: Hoare triple {1386#true} [99] ULTIMATE.startENTRY-->ULTIMATE.initENTRY: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {1386#true} is VALID [2022-04-15 03:23:39,571 INFO L290 TraceCheckUtils]: 1: Hoare triple {1386#true} [101] ULTIMATE.initENTRY-->ULTIMATE.initFINAL: Formula: (let ((.cse0 (select |v_#memory_int_1| 1))) (and (= 48 (select .cse0 0)) (= (select |v_#valid_1| 2) 1) (= (select |v_#valid_1| 0) 0) (< 0 |v_#StackHeapBarrier_1|) (= |v_#NULL.base_1| 0) (= 1 (select |v_#valid_1| 3)) (= (select |v_#length_1| 2) 9) (= (select |v_#length_1| 3) 12) (= (select |v_#valid_1| 1) 1) (= 2 (select |v_#length_1| 1)) (= (select .cse0 1) 0) (= |v_#NULL.offset_1| 0) (= v_~counter~0_5 0))) InVars {#memory_int=|v_#memory_int_1|, #StackHeapBarrier=|v_#StackHeapBarrier_1|, #length=|v_#length_1|, #valid=|v_#valid_1|} OutVars{~counter~0=v_~counter~0_5, #StackHeapBarrier=|v_#StackHeapBarrier_1|, #valid=|v_#valid_1|, #memory_int=|v_#memory_int_1|, #NULL.offset=|v_#NULL.offset_1|, #length=|v_#length_1|, #NULL.base=|v_#NULL.base_1|} AuxVars[] AssignedVars[~counter~0, #NULL.offset, #NULL.base] {1394#(<= ~counter~0 0)} is VALID [2022-04-15 03:23:39,572 INFO L290 TraceCheckUtils]: 2: Hoare triple {1394#(<= ~counter~0 0)} [104] ULTIMATE.initFINAL-->ULTIMATE.initEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {1394#(<= ~counter~0 0)} is VALID [2022-04-15 03:23:39,572 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {1394#(<= ~counter~0 0)} {1386#true} [140] ULTIMATE.initEXIT-->L-1: AOR: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] LVA: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {1394#(<= ~counter~0 0)} is VALID [2022-04-15 03:23:39,573 INFO L272 TraceCheckUtils]: 4: Hoare triple {1394#(<= ~counter~0 0)} [100] L-1-->mainENTRY: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {1394#(<= ~counter~0 0)} is VALID [2022-04-15 03:23:39,573 INFO L290 TraceCheckUtils]: 5: Hoare triple {1394#(<= ~counter~0 0)} [103] mainENTRY-->L28: Formula: (and (= v_main_~A~0_1 |v_main_#t~nondet4_2|) (= v_main_~B~0_1 |v_main_#t~nondet5_2|)) InVars {main_#t~nondet5=|v_main_#t~nondet5_2|, main_#t~nondet4=|v_main_#t~nondet4_2|} OutVars{main_~q~0=v_main_~q~0_1, main_~d~0=v_main_~d~0_1, main_~B~0=v_main_~B~0_1, main_~A~0=v_main_~A~0_1, main_~p~0=v_main_~p~0_1, main_~r~0=v_main_~r~0_1} AuxVars[] AssignedVars[main_#t~nondet5, main_~q~0, main_#t~nondet4, main_~d~0, main_~B~0, main_~A~0, main_~p~0, main_~r~0] {1394#(<= ~counter~0 0)} is VALID [2022-04-15 03:23:39,574 INFO L272 TraceCheckUtils]: 6: Hoare triple {1394#(<= ~counter~0 0)} [105] L28-->assume_abort_if_notENTRY: Formula: (= (ite (<= 1 (mod v_main_~B~0_10 4294967296)) 1 0) |v_assume_abort_if_not_#in~condInParam_1|) InVars {main_~B~0=v_main_~B~0_10} OutVars{assume_abort_if_not_#in~cond=|v_assume_abort_if_not_#in~condInParam_1|} AuxVars[] AssignedVars[main_~B~0, assume_abort_if_not_#in~cond] {1394#(<= ~counter~0 0)} is VALID [2022-04-15 03:23:39,574 INFO L290 TraceCheckUtils]: 7: Hoare triple {1394#(<= ~counter~0 0)} [107] assume_abort_if_notENTRY-->L12: Formula: (= |v_assume_abort_if_not_#in~cond_1| v_assume_abort_if_not_~cond_1) InVars {assume_abort_if_not_#in~cond=|v_assume_abort_if_not_#in~cond_1|} OutVars{assume_abort_if_not_#in~cond=|v_assume_abort_if_not_#in~cond_1|, assume_abort_if_not_~cond=v_assume_abort_if_not_~cond_1} AuxVars[] AssignedVars[assume_abort_if_not_~cond] {1394#(<= ~counter~0 0)} is VALID [2022-04-15 03:23:39,575 INFO L290 TraceCheckUtils]: 8: Hoare triple {1394#(<= ~counter~0 0)} [111] L12-->L12-2: Formula: (not (= v_assume_abort_if_not_~cond_3 0)) InVars {assume_abort_if_not_~cond=v_assume_abort_if_not_~cond_3} OutVars{assume_abort_if_not_~cond=v_assume_abort_if_not_~cond_3} AuxVars[] AssignedVars[] {1394#(<= ~counter~0 0)} is VALID [2022-04-15 03:23:39,575 INFO L290 TraceCheckUtils]: 9: Hoare triple {1394#(<= ~counter~0 0)} [116] L12-2-->assume_abort_if_notEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {1394#(<= ~counter~0 0)} is VALID [2022-04-15 03:23:39,576 INFO L284 TraceCheckUtils]: 10: Hoare quadruple {1394#(<= ~counter~0 0)} {1394#(<= ~counter~0 0)} [141] assume_abort_if_notEXIT-->L28-1: AOR: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] LVA: Formula: (= (ite (<= 1 (mod v_main_~B~0_10 4294967296)) 1 0) |v_assume_abort_if_not_#in~condInParam_1|) InVars {main_~B~0=v_main_~B~0_10} OutVars{assume_abort_if_not_#in~cond=|v_assume_abort_if_not_#in~condInParam_1|} AuxVars[] AssignedVars[main_~B~0, assume_abort_if_not_#in~cond] {1394#(<= ~counter~0 0)} is VALID [2022-04-15 03:23:39,576 INFO L290 TraceCheckUtils]: 11: Hoare triple {1394#(<= ~counter~0 0)} [106] L28-1-->L35-3: Formula: (and (= v_main_~B~0_5 v_main_~d~0_2) (= v_main_~A~0_4 v_main_~r~0_2) (= v_main_~q~0_2 0) (= v_main_~p~0_2 1)) InVars {main_~A~0=v_main_~A~0_4, main_~B~0=v_main_~B~0_5} OutVars{main_~q~0=v_main_~q~0_2, main_~d~0=v_main_~d~0_2, main_~B~0=v_main_~B~0_5, main_~A~0=v_main_~A~0_4, main_~p~0=v_main_~p~0_2, main_~r~0=v_main_~r~0_2} AuxVars[] AssignedVars[main_~q~0, main_~d~0, main_~p~0, main_~r~0] {1394#(<= ~counter~0 0)} is VALID [2022-04-15 03:23:39,577 INFO L290 TraceCheckUtils]: 12: Hoare triple {1394#(<= ~counter~0 0)} [109] L35-3-->L35-1: Formula: (and (= |v_main_#t~post6_1| v_~counter~0_2) (= v_~counter~0_1 (+ |v_main_#t~post6_1| 1))) InVars {~counter~0=v_~counter~0_2} OutVars{~counter~0=v_~counter~0_1, main_#t~post6=|v_main_#t~post6_1|} AuxVars[] AssignedVars[~counter~0, main_#t~post6] {1428#(<= ~counter~0 1)} is VALID [2022-04-15 03:23:39,577 INFO L290 TraceCheckUtils]: 13: Hoare triple {1428#(<= ~counter~0 1)} [115] L35-1-->L36: Formula: (< |v_main_#t~post6_5| 2) InVars {main_#t~post6=|v_main_#t~post6_5|} OutVars{} AuxVars[] AssignedVars[main_#t~post6] {1428#(<= ~counter~0 1)} is VALID [2022-04-15 03:23:39,578 INFO L272 TraceCheckUtils]: 14: Hoare triple {1428#(<= ~counter~0 1)} [120] L36-->__VERIFIER_assertENTRY: Formula: (= (ite (= (mod v_main_~q~0_8 4294967296) 0) 1 0) |v___VERIFIER_assert_#in~condInParam_1|) InVars {main_~q~0=v_main_~q~0_8} OutVars{__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~condInParam_1|} AuxVars[] AssignedVars[main_~q~0, __VERIFIER_assert_#in~cond] {1428#(<= ~counter~0 1)} is VALID [2022-04-15 03:23:39,578 INFO L290 TraceCheckUtils]: 15: Hoare triple {1428#(<= ~counter~0 1)} [122] __VERIFIER_assertENTRY-->L15: Formula: (= v___VERIFIER_assert_~cond_1 |v___VERIFIER_assert_#in~cond_1|) InVars {__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~cond_1|} OutVars{__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~cond_1|, __VERIFIER_assert_~cond=v___VERIFIER_assert_~cond_1} AuxVars[] AssignedVars[__VERIFIER_assert_~cond] {1428#(<= ~counter~0 1)} is VALID [2022-04-15 03:23:39,579 INFO L290 TraceCheckUtils]: 16: Hoare triple {1428#(<= ~counter~0 1)} [127] L15-->L15-2: Formula: (not (= v___VERIFIER_assert_~cond_3 0)) InVars {__VERIFIER_assert_~cond=v___VERIFIER_assert_~cond_3} OutVars{__VERIFIER_assert_~cond=v___VERIFIER_assert_~cond_3} AuxVars[] AssignedVars[] {1428#(<= ~counter~0 1)} is VALID [2022-04-15 03:23:39,579 INFO L290 TraceCheckUtils]: 17: Hoare triple {1428#(<= ~counter~0 1)} [133] L15-2-->__VERIFIER_assertEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {1428#(<= ~counter~0 1)} is VALID [2022-04-15 03:23:39,580 INFO L284 TraceCheckUtils]: 18: Hoare quadruple {1428#(<= ~counter~0 1)} {1428#(<= ~counter~0 1)} [143] __VERIFIER_assertEXIT-->L36-1: AOR: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] LVA: Formula: (= (ite (= (mod v_main_~q~0_8 4294967296) 0) 1 0) |v___VERIFIER_assert_#in~condInParam_1|) InVars {main_~q~0=v_main_~q~0_8} OutVars{__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~condInParam_1|} AuxVars[] AssignedVars[main_~q~0, __VERIFIER_assert_#in~cond] {1428#(<= ~counter~0 1)} is VALID [2022-04-15 03:23:39,581 INFO L272 TraceCheckUtils]: 19: Hoare triple {1428#(<= ~counter~0 1)} [124] L36-1-->__VERIFIER_assertENTRY: Formula: (= (ite (= (mod v_main_~A~0_8 4294967296) (mod v_main_~r~0_11 4294967296)) 1 0) |v___VERIFIER_assert_#in~condInParam_2|) InVars {main_~A~0=v_main_~A~0_8, main_~r~0=v_main_~r~0_11} OutVars{__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~condInParam_2|} AuxVars[] AssignedVars[__VERIFIER_assert_#in~cond, main_~A~0, main_~r~0] {1428#(<= ~counter~0 1)} is VALID [2022-04-15 03:23:39,581 INFO L290 TraceCheckUtils]: 20: Hoare triple {1428#(<= ~counter~0 1)} [122] __VERIFIER_assertENTRY-->L15: Formula: (= v___VERIFIER_assert_~cond_1 |v___VERIFIER_assert_#in~cond_1|) InVars {__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~cond_1|} OutVars{__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~cond_1|, __VERIFIER_assert_~cond=v___VERIFIER_assert_~cond_1} AuxVars[] AssignedVars[__VERIFIER_assert_~cond] {1428#(<= ~counter~0 1)} is VALID [2022-04-15 03:23:39,582 INFO L290 TraceCheckUtils]: 21: Hoare triple {1428#(<= ~counter~0 1)} [127] L15-->L15-2: Formula: (not (= v___VERIFIER_assert_~cond_3 0)) InVars {__VERIFIER_assert_~cond=v___VERIFIER_assert_~cond_3} OutVars{__VERIFIER_assert_~cond=v___VERIFIER_assert_~cond_3} AuxVars[] AssignedVars[] {1428#(<= ~counter~0 1)} is VALID [2022-04-15 03:23:39,582 INFO L290 TraceCheckUtils]: 22: Hoare triple {1428#(<= ~counter~0 1)} [133] L15-2-->__VERIFIER_assertEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {1428#(<= ~counter~0 1)} is VALID [2022-04-15 03:23:39,583 INFO L284 TraceCheckUtils]: 23: Hoare quadruple {1428#(<= ~counter~0 1)} {1428#(<= ~counter~0 1)} [144] __VERIFIER_assertEXIT-->L37: AOR: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] LVA: Formula: (= (ite (= (mod v_main_~A~0_8 4294967296) (mod v_main_~r~0_11 4294967296)) 1 0) |v___VERIFIER_assert_#in~condInParam_2|) InVars {main_~A~0=v_main_~A~0_8, main_~r~0=v_main_~r~0_11} OutVars{__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~condInParam_2|} AuxVars[] AssignedVars[__VERIFIER_assert_#in~cond, main_~A~0, main_~r~0] {1428#(<= ~counter~0 1)} is VALID [2022-04-15 03:23:39,584 INFO L272 TraceCheckUtils]: 24: Hoare triple {1428#(<= ~counter~0 1)} [129] L37-->__VERIFIER_assertENTRY: Formula: (= |v___VERIFIER_assert_#in~condInParam_3| (ite (= (mod v_main_~d~0_14 4294967296) (mod (* v_main_~p~0_11 v_main_~B~0_11) 4294967296)) 1 0)) InVars {main_~d~0=v_main_~d~0_14, main_~B~0=v_main_~B~0_11, main_~p~0=v_main_~p~0_11} OutVars{__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~condInParam_3|} AuxVars[] AssignedVars[__VERIFIER_assert_#in~cond, main_~d~0, main_~B~0, main_~p~0] {1428#(<= ~counter~0 1)} is VALID [2022-04-15 03:23:39,584 INFO L290 TraceCheckUtils]: 25: Hoare triple {1428#(<= ~counter~0 1)} [122] __VERIFIER_assertENTRY-->L15: Formula: (= v___VERIFIER_assert_~cond_1 |v___VERIFIER_assert_#in~cond_1|) InVars {__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~cond_1|} OutVars{__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~cond_1|, __VERIFIER_assert_~cond=v___VERIFIER_assert_~cond_1} AuxVars[] AssignedVars[__VERIFIER_assert_~cond] {1428#(<= ~counter~0 1)} is VALID [2022-04-15 03:23:39,585 INFO L290 TraceCheckUtils]: 26: Hoare triple {1428#(<= ~counter~0 1)} [127] L15-->L15-2: Formula: (not (= v___VERIFIER_assert_~cond_3 0)) InVars {__VERIFIER_assert_~cond=v___VERIFIER_assert_~cond_3} OutVars{__VERIFIER_assert_~cond=v___VERIFIER_assert_~cond_3} AuxVars[] AssignedVars[] {1428#(<= ~counter~0 1)} is VALID [2022-04-15 03:23:39,585 INFO L290 TraceCheckUtils]: 27: Hoare triple {1428#(<= ~counter~0 1)} [133] L15-2-->__VERIFIER_assertEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {1428#(<= ~counter~0 1)} is VALID [2022-04-15 03:23:39,586 INFO L284 TraceCheckUtils]: 28: Hoare quadruple {1428#(<= ~counter~0 1)} {1428#(<= ~counter~0 1)} [145] __VERIFIER_assertEXIT-->L38: AOR: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] LVA: Formula: (= |v___VERIFIER_assert_#in~condInParam_3| (ite (= (mod v_main_~d~0_14 4294967296) (mod (* v_main_~p~0_11 v_main_~B~0_11) 4294967296)) 1 0)) InVars {main_~d~0=v_main_~d~0_14, main_~B~0=v_main_~B~0_11, main_~p~0=v_main_~p~0_11} OutVars{__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~condInParam_3|} AuxVars[] AssignedVars[__VERIFIER_assert_#in~cond, main_~d~0, main_~B~0, main_~p~0] {1428#(<= ~counter~0 1)} is VALID [2022-04-15 03:23:39,586 INFO L290 TraceCheckUtils]: 29: Hoare triple {1428#(<= ~counter~0 1)} [136] L38-->L53-2: Formula: (not (<= (mod v_main_~d~0_4 4294967296) (mod v_main_~r~0_4 4294967296))) InVars {main_~d~0=v_main_~d~0_4, main_~r~0=v_main_~r~0_4} OutVars{main_~d~0=v_main_~d~0_4, main_~r~0=v_main_~r~0_4} AuxVars[] AssignedVars[] {1428#(<= ~counter~0 1)} is VALID [2022-04-15 03:23:39,589 INFO L290 TraceCheckUtils]: 30: Hoare triple {1428#(<= ~counter~0 1)} [113] L53-2-->L45: Formula: (and (= |v_main_#t~post7_1| v_~counter~0_4) (= (+ |v_main_#t~post7_1| 1) v_~counter~0_3)) InVars {~counter~0=v_~counter~0_4} OutVars{~counter~0=v_~counter~0_3, main_#t~post7=|v_main_#t~post7_1|} AuxVars[] AssignedVars[~counter~0, main_#t~post7] {1483#(<= |main_#t~post7| 1)} is VALID [2022-04-15 03:23:39,589 INFO L290 TraceCheckUtils]: 31: Hoare triple {1483#(<= |main_#t~post7| 1)} [118] L45-->L45-2: Formula: (not (< |v_main_#t~post7_3| 2)) InVars {main_#t~post7=|v_main_#t~post7_3|} OutVars{} AuxVars[] AssignedVars[main_#t~post7] {1387#false} is VALID [2022-04-15 03:23:39,590 INFO L272 TraceCheckUtils]: 32: Hoare triple {1387#false} [117] L45-2-->__VERIFIER_assertENTRY: Formula: (= |v___VERIFIER_assert_#in~condInParam_6| (ite (= (mod (+ (* v_main_~q~0_10 v_main_~d~0_16) v_main_~r~0_13) 4294967296) (mod v_main_~A~0_10 4294967296)) 1 0)) InVars {main_~q~0=v_main_~q~0_10, main_~d~0=v_main_~d~0_16, main_~A~0=v_main_~A~0_10, main_~r~0=v_main_~r~0_13} OutVars{__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~condInParam_6|} AuxVars[] AssignedVars[main_~q~0, __VERIFIER_assert_#in~cond, main_~d~0, main_~A~0, main_~r~0] {1387#false} is VALID [2022-04-15 03:23:39,590 INFO L290 TraceCheckUtils]: 33: Hoare triple {1387#false} [122] __VERIFIER_assertENTRY-->L15: Formula: (= v___VERIFIER_assert_~cond_1 |v___VERIFIER_assert_#in~cond_1|) InVars {__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~cond_1|} OutVars{__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~cond_1|, __VERIFIER_assert_~cond=v___VERIFIER_assert_~cond_1} AuxVars[] AssignedVars[__VERIFIER_assert_~cond] {1387#false} is VALID [2022-04-15 03:23:39,590 INFO L290 TraceCheckUtils]: 34: Hoare triple {1387#false} [126] L15-->L16: Formula: (= v___VERIFIER_assert_~cond_2 0) InVars {__VERIFIER_assert_~cond=v___VERIFIER_assert_~cond_2} OutVars{__VERIFIER_assert_~cond=v___VERIFIER_assert_~cond_2} AuxVars[] AssignedVars[] {1387#false} is VALID [2022-04-15 03:23:39,590 INFO L290 TraceCheckUtils]: 35: Hoare triple {1387#false} [131] L16-->__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {1387#false} is VALID [2022-04-15 03:23:39,590 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-04-15 03:23:39,591 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-04-15 03:23:39,591 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-15 03:23:39,591 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [987625057] [2022-04-15 03:23:39,591 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-04-15 03:23:39,594 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1545008151] [2022-04-15 03:23:39,594 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1545008151] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-15 03:23:39,594 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-15 03:23:39,594 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-04-15 03:23:39,595 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1207039761] [2022-04-15 03:23:39,595 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-15 03:23:39,595 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 3.6) internal successors, (18), 4 states have internal predecessors, (18), 4 states have call successors, (7), 4 states have call predecessors, (7), 2 states have return successors, (5), 2 states have call predecessors, (5), 3 states have call successors, (5) Word has length 36 [2022-04-15 03:23:39,595 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-04-15 03:23:39,596 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with has 5 states, 5 states have (on average 3.6) internal successors, (18), 4 states have internal predecessors, (18), 4 states have call successors, (7), 4 states have call predecessors, (7), 2 states have return successors, (5), 2 states have call predecessors, (5), 3 states have call successors, (5) [2022-04-15 03:23:39,627 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 30 edges. 30 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-15 03:23:39,627 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-04-15 03:23:39,627 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-15 03:23:39,629 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-04-15 03:23:39,629 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-04-15 03:23:39,630 INFO L87 Difference]: Start difference. First operand 56 states and 71 transitions. Second operand has 5 states, 5 states have (on average 3.6) internal successors, (18), 4 states have internal predecessors, (18), 4 states have call successors, (7), 4 states have call predecessors, (7), 2 states have return successors, (5), 2 states have call predecessors, (5), 3 states have call successors, (5) [2022-04-15 03:23:39,817 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-15 03:23:39,817 INFO L93 Difference]: Finished difference Result 76 states and 87 transitions. [2022-04-15 03:23:39,817 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-04-15 03:23:39,817 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 3.6) internal successors, (18), 4 states have internal predecessors, (18), 4 states have call successors, (7), 4 states have call predecessors, (7), 2 states have return successors, (5), 2 states have call predecessors, (5), 3 states have call successors, (5) Word has length 36 [2022-04-15 03:23:39,817 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-15 03:23:39,818 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5 states, 5 states have (on average 3.6) internal successors, (18), 4 states have internal predecessors, (18), 4 states have call successors, (7), 4 states have call predecessors, (7), 2 states have return successors, (5), 2 states have call predecessors, (5), 3 states have call successors, (5) [2022-04-15 03:23:39,819 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 65 transitions. [2022-04-15 03:23:39,819 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5 states, 5 states have (on average 3.6) internal successors, (18), 4 states have internal predecessors, (18), 4 states have call successors, (7), 4 states have call predecessors, (7), 2 states have return successors, (5), 2 states have call predecessors, (5), 3 states have call successors, (5) [2022-04-15 03:23:39,821 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 65 transitions. [2022-04-15 03:23:39,821 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with 5 states and 65 transitions. [2022-04-15 03:23:39,887 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 65 edges. 65 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-15 03:23:39,889 INFO L225 Difference]: With dead ends: 76 [2022-04-15 03:23:39,889 INFO L226 Difference]: Without dead ends: 69 [2022-04-15 03:23:39,889 INFO L912 BasicCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 32 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-04-15 03:23:39,890 INFO L913 BasicCegarLoop]: 42 mSDtfsCounter, 7 mSDsluCounter, 94 mSDsCounter, 0 mSdLazyCounter, 19 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7 SdHoareTripleChecker+Valid, 136 SdHoareTripleChecker+Invalid, 24 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 19 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-04-15 03:23:39,890 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [7 Valid, 136 Invalid, 24 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 19 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-04-15 03:23:39,891 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 69 states. [2022-04-15 03:23:39,913 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 69 to 68. [2022-04-15 03:23:39,913 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-04-15 03:23:39,913 INFO L82 GeneralOperation]: Start isEquivalent. First operand 69 states. Second operand has 68 states, 42 states have (on average 1.1904761904761905) internal successors, (50), 44 states have internal predecessors, (50), 16 states have call successors, (16), 10 states have call predecessors, (16), 9 states have return successors, (13), 13 states have call predecessors, (13), 13 states have call successors, (13) [2022-04-15 03:23:39,914 INFO L74 IsIncluded]: Start isIncluded. First operand 69 states. Second operand has 68 states, 42 states have (on average 1.1904761904761905) internal successors, (50), 44 states have internal predecessors, (50), 16 states have call successors, (16), 10 states have call predecessors, (16), 9 states have return successors, (13), 13 states have call predecessors, (13), 13 states have call successors, (13) [2022-04-15 03:23:39,914 INFO L87 Difference]: Start difference. First operand 69 states. Second operand has 68 states, 42 states have (on average 1.1904761904761905) internal successors, (50), 44 states have internal predecessors, (50), 16 states have call successors, (16), 10 states have call predecessors, (16), 9 states have return successors, (13), 13 states have call predecessors, (13), 13 states have call successors, (13) [2022-04-15 03:23:39,919 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-15 03:23:39,919 INFO L93 Difference]: Finished difference Result 69 states and 80 transitions. [2022-04-15 03:23:39,920 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 80 transitions. [2022-04-15 03:23:39,920 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-15 03:23:39,920 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-15 03:23:39,920 INFO L74 IsIncluded]: Start isIncluded. First operand has 68 states, 42 states have (on average 1.1904761904761905) internal successors, (50), 44 states have internal predecessors, (50), 16 states have call successors, (16), 10 states have call predecessors, (16), 9 states have return successors, (13), 13 states have call predecessors, (13), 13 states have call successors, (13) Second operand 69 states. [2022-04-15 03:23:39,921 INFO L87 Difference]: Start difference. First operand has 68 states, 42 states have (on average 1.1904761904761905) internal successors, (50), 44 states have internal predecessors, (50), 16 states have call successors, (16), 10 states have call predecessors, (16), 9 states have return successors, (13), 13 states have call predecessors, (13), 13 states have call successors, (13) Second operand 69 states. [2022-04-15 03:23:39,923 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-15 03:23:39,923 INFO L93 Difference]: Finished difference Result 69 states and 80 transitions. [2022-04-15 03:23:39,923 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 80 transitions. [2022-04-15 03:23:39,923 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-15 03:23:39,923 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-15 03:23:39,924 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-04-15 03:23:39,924 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-04-15 03:23:39,924 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 68 states, 42 states have (on average 1.1904761904761905) internal successors, (50), 44 states have internal predecessors, (50), 16 states have call successors, (16), 10 states have call predecessors, (16), 9 states have return successors, (13), 13 states have call predecessors, (13), 13 states have call successors, (13) [2022-04-15 03:23:39,926 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 68 states and 79 transitions. [2022-04-15 03:23:39,926 INFO L78 Accepts]: Start accepts. Automaton has 68 states and 79 transitions. Word has length 36 [2022-04-15 03:23:39,926 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-15 03:23:39,926 INFO L478 AbstractCegarLoop]: Abstraction has 68 states and 79 transitions. [2022-04-15 03:23:39,926 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 3.6) internal successors, (18), 4 states have internal predecessors, (18), 4 states have call successors, (7), 4 states have call predecessors, (7), 2 states have return successors, (5), 2 states have call predecessors, (5), 3 states have call successors, (5) [2022-04-15 03:23:39,927 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 79 transitions. [2022-04-15 03:23:39,932 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2022-04-15 03:23:39,932 INFO L491 BasicCegarLoop]: Found error trace [2022-04-15 03:23:39,932 INFO L499 BasicCegarLoop]: trace histogram [4, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-04-15 03:23:39,954 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2022-04-15 03:23:40,147 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-04-15 03:23:40,147 INFO L403 AbstractCegarLoop]: === Iteration 7 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-15 03:23:40,148 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-15 03:23:40,148 INFO L85 PathProgramCache]: Analyzing trace with hash 1017127481, now seen corresponding path program 1 times [2022-04-15 03:23:40,148 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-15 03:23:40,148 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1158415713] [2022-04-15 03:23:40,148 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-15 03:23:40,148 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-15 03:23:40,176 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-04-15 03:23:40,176 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1417554520] [2022-04-15 03:23:40,177 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-15 03:23:40,177 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-04-15 03:23:40,177 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-04-15 03:23:40,179 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) [2022-04-15 03:23:40,180 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-04-15 03:23:40,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-15 03:23:40,236 INFO L263 TraceCheckSpWp]: Trace formula consists of 115 conjuncts, 10 conjunts are in the unsatisfiable core [2022-04-15 03:23:40,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-15 03:23:40,250 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-04-15 03:23:40,844 INFO L272 TraceCheckUtils]: 0: Hoare triple {1839#true} [99] ULTIMATE.startENTRY-->ULTIMATE.initENTRY: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {1839#true} is VALID [2022-04-15 03:23:40,845 INFO L290 TraceCheckUtils]: 1: Hoare triple {1839#true} [101] ULTIMATE.initENTRY-->ULTIMATE.initFINAL: Formula: (let ((.cse0 (select |v_#memory_int_1| 1))) (and (= 48 (select .cse0 0)) (= (select |v_#valid_1| 2) 1) (= (select |v_#valid_1| 0) 0) (< 0 |v_#StackHeapBarrier_1|) (= |v_#NULL.base_1| 0) (= 1 (select |v_#valid_1| 3)) (= (select |v_#length_1| 2) 9) (= (select |v_#length_1| 3) 12) (= (select |v_#valid_1| 1) 1) (= 2 (select |v_#length_1| 1)) (= (select .cse0 1) 0) (= |v_#NULL.offset_1| 0) (= v_~counter~0_5 0))) InVars {#memory_int=|v_#memory_int_1|, #StackHeapBarrier=|v_#StackHeapBarrier_1|, #length=|v_#length_1|, #valid=|v_#valid_1|} OutVars{~counter~0=v_~counter~0_5, #StackHeapBarrier=|v_#StackHeapBarrier_1|, #valid=|v_#valid_1|, #memory_int=|v_#memory_int_1|, #NULL.offset=|v_#NULL.offset_1|, #length=|v_#length_1|, #NULL.base=|v_#NULL.base_1|} AuxVars[] AssignedVars[~counter~0, #NULL.offset, #NULL.base] {1839#true} is VALID [2022-04-15 03:23:40,845 INFO L290 TraceCheckUtils]: 2: Hoare triple {1839#true} [104] ULTIMATE.initFINAL-->ULTIMATE.initEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {1839#true} is VALID [2022-04-15 03:23:40,845 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {1839#true} {1839#true} [140] ULTIMATE.initEXIT-->L-1: AOR: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] LVA: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {1839#true} is VALID [2022-04-15 03:23:40,845 INFO L272 TraceCheckUtils]: 4: Hoare triple {1839#true} [100] L-1-->mainENTRY: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {1839#true} is VALID [2022-04-15 03:23:40,845 INFO L290 TraceCheckUtils]: 5: Hoare triple {1839#true} [103] mainENTRY-->L28: Formula: (and (= v_main_~A~0_1 |v_main_#t~nondet4_2|) (= v_main_~B~0_1 |v_main_#t~nondet5_2|)) InVars {main_#t~nondet5=|v_main_#t~nondet5_2|, main_#t~nondet4=|v_main_#t~nondet4_2|} OutVars{main_~q~0=v_main_~q~0_1, main_~d~0=v_main_~d~0_1, main_~B~0=v_main_~B~0_1, main_~A~0=v_main_~A~0_1, main_~p~0=v_main_~p~0_1, main_~r~0=v_main_~r~0_1} AuxVars[] AssignedVars[main_#t~nondet5, main_~q~0, main_#t~nondet4, main_~d~0, main_~B~0, main_~A~0, main_~p~0, main_~r~0] {1839#true} is VALID [2022-04-15 03:23:40,845 INFO L272 TraceCheckUtils]: 6: Hoare triple {1839#true} [105] L28-->assume_abort_if_notENTRY: Formula: (= (ite (<= 1 (mod v_main_~B~0_10 4294967296)) 1 0) |v_assume_abort_if_not_#in~condInParam_1|) InVars {main_~B~0=v_main_~B~0_10} OutVars{assume_abort_if_not_#in~cond=|v_assume_abort_if_not_#in~condInParam_1|} AuxVars[] AssignedVars[main_~B~0, assume_abort_if_not_#in~cond] {1839#true} is VALID [2022-04-15 03:23:40,845 INFO L290 TraceCheckUtils]: 7: Hoare triple {1839#true} [107] assume_abort_if_notENTRY-->L12: Formula: (= |v_assume_abort_if_not_#in~cond_1| v_assume_abort_if_not_~cond_1) InVars {assume_abort_if_not_#in~cond=|v_assume_abort_if_not_#in~cond_1|} OutVars{assume_abort_if_not_#in~cond=|v_assume_abort_if_not_#in~cond_1|, assume_abort_if_not_~cond=v_assume_abort_if_not_~cond_1} AuxVars[] AssignedVars[assume_abort_if_not_~cond] {1839#true} is VALID [2022-04-15 03:23:40,845 INFO L290 TraceCheckUtils]: 8: Hoare triple {1839#true} [111] L12-->L12-2: Formula: (not (= v_assume_abort_if_not_~cond_3 0)) InVars {assume_abort_if_not_~cond=v_assume_abort_if_not_~cond_3} OutVars{assume_abort_if_not_~cond=v_assume_abort_if_not_~cond_3} AuxVars[] AssignedVars[] {1839#true} is VALID [2022-04-15 03:23:40,846 INFO L290 TraceCheckUtils]: 9: Hoare triple {1839#true} [116] L12-2-->assume_abort_if_notEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {1839#true} is VALID [2022-04-15 03:23:40,846 INFO L284 TraceCheckUtils]: 10: Hoare quadruple {1839#true} {1839#true} [141] assume_abort_if_notEXIT-->L28-1: AOR: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] LVA: Formula: (= (ite (<= 1 (mod v_main_~B~0_10 4294967296)) 1 0) |v_assume_abort_if_not_#in~condInParam_1|) InVars {main_~B~0=v_main_~B~0_10} OutVars{assume_abort_if_not_#in~cond=|v_assume_abort_if_not_#in~condInParam_1|} AuxVars[] AssignedVars[main_~B~0, assume_abort_if_not_#in~cond] {1839#true} is VALID [2022-04-15 03:23:40,847 INFO L290 TraceCheckUtils]: 11: Hoare triple {1839#true} [106] L28-1-->L35-3: Formula: (and (= v_main_~B~0_5 v_main_~d~0_2) (= v_main_~A~0_4 v_main_~r~0_2) (= v_main_~q~0_2 0) (= v_main_~p~0_2 1)) InVars {main_~A~0=v_main_~A~0_4, main_~B~0=v_main_~B~0_5} OutVars{main_~q~0=v_main_~q~0_2, main_~d~0=v_main_~d~0_2, main_~B~0=v_main_~B~0_5, main_~A~0=v_main_~A~0_4, main_~p~0=v_main_~p~0_2, main_~r~0=v_main_~r~0_2} AuxVars[] AssignedVars[main_~q~0, main_~d~0, main_~p~0, main_~r~0] {1877#(and (= main_~A~0 main_~r~0) (= main_~q~0 0) (= main_~B~0 main_~d~0))} is VALID [2022-04-15 03:23:40,848 INFO L290 TraceCheckUtils]: 12: Hoare triple {1877#(and (= main_~A~0 main_~r~0) (= main_~q~0 0) (= main_~B~0 main_~d~0))} [109] L35-3-->L35-1: Formula: (and (= |v_main_#t~post6_1| v_~counter~0_2) (= v_~counter~0_1 (+ |v_main_#t~post6_1| 1))) InVars {~counter~0=v_~counter~0_2} OutVars{~counter~0=v_~counter~0_1, main_#t~post6=|v_main_#t~post6_1|} AuxVars[] AssignedVars[~counter~0, main_#t~post6] {1877#(and (= main_~A~0 main_~r~0) (= main_~q~0 0) (= main_~B~0 main_~d~0))} is VALID [2022-04-15 03:23:40,848 INFO L290 TraceCheckUtils]: 13: Hoare triple {1877#(and (= main_~A~0 main_~r~0) (= main_~q~0 0) (= main_~B~0 main_~d~0))} [115] L35-1-->L36: Formula: (< |v_main_#t~post6_5| 2) InVars {main_#t~post6=|v_main_#t~post6_5|} OutVars{} AuxVars[] AssignedVars[main_#t~post6] {1877#(and (= main_~A~0 main_~r~0) (= main_~q~0 0) (= main_~B~0 main_~d~0))} is VALID [2022-04-15 03:23:40,848 INFO L272 TraceCheckUtils]: 14: Hoare triple {1877#(and (= main_~A~0 main_~r~0) (= main_~q~0 0) (= main_~B~0 main_~d~0))} [120] L36-->__VERIFIER_assertENTRY: Formula: (= (ite (= (mod v_main_~q~0_8 4294967296) 0) 1 0) |v___VERIFIER_assert_#in~condInParam_1|) InVars {main_~q~0=v_main_~q~0_8} OutVars{__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~condInParam_1|} AuxVars[] AssignedVars[main_~q~0, __VERIFIER_assert_#in~cond] {1839#true} is VALID [2022-04-15 03:23:40,848 INFO L290 TraceCheckUtils]: 15: Hoare triple {1839#true} [122] __VERIFIER_assertENTRY-->L15: Formula: (= v___VERIFIER_assert_~cond_1 |v___VERIFIER_assert_#in~cond_1|) InVars {__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~cond_1|} OutVars{__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~cond_1|, __VERIFIER_assert_~cond=v___VERIFIER_assert_~cond_1} AuxVars[] AssignedVars[__VERIFIER_assert_~cond] {1839#true} is VALID [2022-04-15 03:23:40,849 INFO L290 TraceCheckUtils]: 16: Hoare triple {1839#true} [127] L15-->L15-2: Formula: (not (= v___VERIFIER_assert_~cond_3 0)) InVars {__VERIFIER_assert_~cond=v___VERIFIER_assert_~cond_3} OutVars{__VERIFIER_assert_~cond=v___VERIFIER_assert_~cond_3} AuxVars[] AssignedVars[] {1839#true} is VALID [2022-04-15 03:23:40,849 INFO L290 TraceCheckUtils]: 17: Hoare triple {1839#true} [133] L15-2-->__VERIFIER_assertEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {1839#true} is VALID [2022-04-15 03:23:40,852 INFO L284 TraceCheckUtils]: 18: Hoare quadruple {1839#true} {1877#(and (= main_~A~0 main_~r~0) (= main_~q~0 0) (= main_~B~0 main_~d~0))} [143] __VERIFIER_assertEXIT-->L36-1: AOR: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] LVA: Formula: (= (ite (= (mod v_main_~q~0_8 4294967296) 0) 1 0) |v___VERIFIER_assert_#in~condInParam_1|) InVars {main_~q~0=v_main_~q~0_8} OutVars{__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~condInParam_1|} AuxVars[] AssignedVars[main_~q~0, __VERIFIER_assert_#in~cond] {1877#(and (= main_~A~0 main_~r~0) (= main_~q~0 0) (= main_~B~0 main_~d~0))} is VALID [2022-04-15 03:23:40,852 INFO L272 TraceCheckUtils]: 19: Hoare triple {1877#(and (= main_~A~0 main_~r~0) (= main_~q~0 0) (= main_~B~0 main_~d~0))} [124] L36-1-->__VERIFIER_assertENTRY: Formula: (= (ite (= (mod v_main_~A~0_8 4294967296) (mod v_main_~r~0_11 4294967296)) 1 0) |v___VERIFIER_assert_#in~condInParam_2|) InVars {main_~A~0=v_main_~A~0_8, main_~r~0=v_main_~r~0_11} OutVars{__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~condInParam_2|} AuxVars[] AssignedVars[__VERIFIER_assert_#in~cond, main_~A~0, main_~r~0] {1839#true} is VALID [2022-04-15 03:23:40,852 INFO L290 TraceCheckUtils]: 20: Hoare triple {1839#true} [122] __VERIFIER_assertENTRY-->L15: Formula: (= v___VERIFIER_assert_~cond_1 |v___VERIFIER_assert_#in~cond_1|) InVars {__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~cond_1|} OutVars{__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~cond_1|, __VERIFIER_assert_~cond=v___VERIFIER_assert_~cond_1} AuxVars[] AssignedVars[__VERIFIER_assert_~cond] {1839#true} is VALID [2022-04-15 03:23:40,852 INFO L290 TraceCheckUtils]: 21: Hoare triple {1839#true} [127] L15-->L15-2: Formula: (not (= v___VERIFIER_assert_~cond_3 0)) InVars {__VERIFIER_assert_~cond=v___VERIFIER_assert_~cond_3} OutVars{__VERIFIER_assert_~cond=v___VERIFIER_assert_~cond_3} AuxVars[] AssignedVars[] {1839#true} is VALID [2022-04-15 03:23:40,852 INFO L290 TraceCheckUtils]: 22: Hoare triple {1839#true} [133] L15-2-->__VERIFIER_assertEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {1839#true} is VALID [2022-04-15 03:23:40,853 INFO L284 TraceCheckUtils]: 23: Hoare quadruple {1839#true} {1877#(and (= main_~A~0 main_~r~0) (= main_~q~0 0) (= main_~B~0 main_~d~0))} [144] __VERIFIER_assertEXIT-->L37: AOR: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] LVA: Formula: (= (ite (= (mod v_main_~A~0_8 4294967296) (mod v_main_~r~0_11 4294967296)) 1 0) |v___VERIFIER_assert_#in~condInParam_2|) InVars {main_~A~0=v_main_~A~0_8, main_~r~0=v_main_~r~0_11} OutVars{__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~condInParam_2|} AuxVars[] AssignedVars[__VERIFIER_assert_#in~cond, main_~A~0, main_~r~0] {1877#(and (= main_~A~0 main_~r~0) (= main_~q~0 0) (= main_~B~0 main_~d~0))} is VALID [2022-04-15 03:23:40,853 INFO L272 TraceCheckUtils]: 24: Hoare triple {1877#(and (= main_~A~0 main_~r~0) (= main_~q~0 0) (= main_~B~0 main_~d~0))} [129] L37-->__VERIFIER_assertENTRY: Formula: (= |v___VERIFIER_assert_#in~condInParam_3| (ite (= (mod v_main_~d~0_14 4294967296) (mod (* v_main_~p~0_11 v_main_~B~0_11) 4294967296)) 1 0)) InVars {main_~d~0=v_main_~d~0_14, main_~B~0=v_main_~B~0_11, main_~p~0=v_main_~p~0_11} OutVars{__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~condInParam_3|} AuxVars[] AssignedVars[__VERIFIER_assert_#in~cond, main_~d~0, main_~B~0, main_~p~0] {1839#true} is VALID [2022-04-15 03:23:40,853 INFO L290 TraceCheckUtils]: 25: Hoare triple {1839#true} [122] __VERIFIER_assertENTRY-->L15: Formula: (= v___VERIFIER_assert_~cond_1 |v___VERIFIER_assert_#in~cond_1|) InVars {__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~cond_1|} OutVars{__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~cond_1|, __VERIFIER_assert_~cond=v___VERIFIER_assert_~cond_1} AuxVars[] AssignedVars[__VERIFIER_assert_~cond] {1839#true} is VALID [2022-04-15 03:23:40,853 INFO L290 TraceCheckUtils]: 26: Hoare triple {1839#true} [127] L15-->L15-2: Formula: (not (= v___VERIFIER_assert_~cond_3 0)) InVars {__VERIFIER_assert_~cond=v___VERIFIER_assert_~cond_3} OutVars{__VERIFIER_assert_~cond=v___VERIFIER_assert_~cond_3} AuxVars[] AssignedVars[] {1839#true} is VALID [2022-04-15 03:23:40,854 INFO L290 TraceCheckUtils]: 27: Hoare triple {1839#true} [133] L15-2-->__VERIFIER_assertEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {1839#true} is VALID [2022-04-15 03:23:40,854 INFO L284 TraceCheckUtils]: 28: Hoare quadruple {1839#true} {1877#(and (= main_~A~0 main_~r~0) (= main_~q~0 0) (= main_~B~0 main_~d~0))} [145] __VERIFIER_assertEXIT-->L38: AOR: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] LVA: Formula: (= |v___VERIFIER_assert_#in~condInParam_3| (ite (= (mod v_main_~d~0_14 4294967296) (mod (* v_main_~p~0_11 v_main_~B~0_11) 4294967296)) 1 0)) InVars {main_~d~0=v_main_~d~0_14, main_~B~0=v_main_~B~0_11, main_~p~0=v_main_~p~0_11} OutVars{__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~condInParam_3|} AuxVars[] AssignedVars[__VERIFIER_assert_#in~cond, main_~d~0, main_~B~0, main_~p~0] {1877#(and (= main_~A~0 main_~r~0) (= main_~q~0 0) (= main_~B~0 main_~d~0))} is VALID [2022-04-15 03:23:40,855 INFO L290 TraceCheckUtils]: 29: Hoare triple {1877#(and (= main_~A~0 main_~r~0) (= main_~q~0 0) (= main_~B~0 main_~d~0))} [136] L38-->L53-2: Formula: (not (<= (mod v_main_~d~0_4 4294967296) (mod v_main_~r~0_4 4294967296))) InVars {main_~d~0=v_main_~d~0_4, main_~r~0=v_main_~r~0_4} OutVars{main_~d~0=v_main_~d~0_4, main_~r~0=v_main_~r~0_4} AuxVars[] AssignedVars[] {1932#(and (= main_~A~0 main_~r~0) (not (<= (mod main_~B~0 4294967296) (mod main_~r~0 4294967296))) (= main_~q~0 0))} is VALID [2022-04-15 03:23:40,856 INFO L290 TraceCheckUtils]: 30: Hoare triple {1932#(and (= main_~A~0 main_~r~0) (not (<= (mod main_~B~0 4294967296) (mod main_~r~0 4294967296))) (= main_~q~0 0))} [113] L53-2-->L45: Formula: (and (= |v_main_#t~post7_1| v_~counter~0_4) (= (+ |v_main_#t~post7_1| 1) v_~counter~0_3)) InVars {~counter~0=v_~counter~0_4} OutVars{~counter~0=v_~counter~0_3, main_#t~post7=|v_main_#t~post7_1|} AuxVars[] AssignedVars[~counter~0, main_#t~post7] {1932#(and (= main_~A~0 main_~r~0) (not (<= (mod main_~B~0 4294967296) (mod main_~r~0 4294967296))) (= main_~q~0 0))} is VALID [2022-04-15 03:23:40,860 INFO L290 TraceCheckUtils]: 31: Hoare triple {1932#(and (= main_~A~0 main_~r~0) (not (<= (mod main_~B~0 4294967296) (mod main_~r~0 4294967296))) (= main_~q~0 0))} [119] L45-->L46: Formula: (< |v_main_#t~post7_5| 2) InVars {main_#t~post7=|v_main_#t~post7_5|} OutVars{} AuxVars[] AssignedVars[main_#t~post7] {1932#(and (= main_~A~0 main_~r~0) (not (<= (mod main_~B~0 4294967296) (mod main_~r~0 4294967296))) (= main_~q~0 0))} is VALID [2022-04-15 03:23:40,860 INFO L272 TraceCheckUtils]: 32: Hoare triple {1932#(and (= main_~A~0 main_~r~0) (not (<= (mod main_~B~0 4294967296) (mod main_~r~0 4294967296))) (= main_~q~0 0))} [123] L46-->__VERIFIER_assertENTRY: Formula: (= (ite (= (mod (+ (* v_main_~q~0_9 v_main_~B~0_12) v_main_~r~0_12) 4294967296) (mod v_main_~A~0_9 4294967296)) 1 0) |v___VERIFIER_assert_#in~condInParam_4|) InVars {main_~q~0=v_main_~q~0_9, main_~B~0=v_main_~B~0_12, main_~A~0=v_main_~A~0_9, main_~r~0=v_main_~r~0_12} OutVars{__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~condInParam_4|} AuxVars[] AssignedVars[main_~q~0, __VERIFIER_assert_#in~cond, main_~B~0, main_~A~0, main_~r~0] {1942#(<= 1 |__VERIFIER_assert_#in~cond|)} is VALID [2022-04-15 03:23:40,861 INFO L290 TraceCheckUtils]: 33: Hoare triple {1942#(<= 1 |__VERIFIER_assert_#in~cond|)} [122] __VERIFIER_assertENTRY-->L15: Formula: (= v___VERIFIER_assert_~cond_1 |v___VERIFIER_assert_#in~cond_1|) InVars {__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~cond_1|} OutVars{__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~cond_1|, __VERIFIER_assert_~cond=v___VERIFIER_assert_~cond_1} AuxVars[] AssignedVars[__VERIFIER_assert_~cond] {1946#(<= 1 __VERIFIER_assert_~cond)} is VALID [2022-04-15 03:23:40,861 INFO L290 TraceCheckUtils]: 34: Hoare triple {1946#(<= 1 __VERIFIER_assert_~cond)} [126] L15-->L16: Formula: (= v___VERIFIER_assert_~cond_2 0) InVars {__VERIFIER_assert_~cond=v___VERIFIER_assert_~cond_2} OutVars{__VERIFIER_assert_~cond=v___VERIFIER_assert_~cond_2} AuxVars[] AssignedVars[] {1840#false} is VALID [2022-04-15 03:23:40,861 INFO L290 TraceCheckUtils]: 35: Hoare triple {1840#false} [131] L16-->__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {1840#false} is VALID [2022-04-15 03:23:40,862 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-04-15 03:23:40,862 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-04-15 03:23:40,862 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-15 03:23:40,862 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1158415713] [2022-04-15 03:23:40,862 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-04-15 03:23:40,862 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1417554520] [2022-04-15 03:23:40,862 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1417554520] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-15 03:23:40,862 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-15 03:23:40,862 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-04-15 03:23:40,863 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2052501991] [2022-04-15 03:23:40,863 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-15 03:23:40,863 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 3.0) internal successors, (18), 5 states have internal predecessors, (18), 3 states have call successors, (7), 2 states have call predecessors, (7), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 36 [2022-04-15 03:23:40,863 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-04-15 03:23:40,864 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with has 6 states, 6 states have (on average 3.0) internal successors, (18), 5 states have internal predecessors, (18), 3 states have call successors, (7), 2 states have call predecessors, (7), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2022-04-15 03:23:40,895 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 30 edges. 30 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-15 03:23:40,895 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-04-15 03:23:40,895 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-15 03:23:40,896 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-04-15 03:23:40,896 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-04-15 03:23:40,896 INFO L87 Difference]: Start difference. First operand 68 states and 79 transitions. Second operand has 6 states, 6 states have (on average 3.0) internal successors, (18), 5 states have internal predecessors, (18), 3 states have call successors, (7), 2 states have call predecessors, (7), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2022-04-15 03:23:41,846 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-15 03:23:41,846 INFO L93 Difference]: Finished difference Result 82 states and 98 transitions. [2022-04-15 03:23:41,846 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-04-15 03:23:41,846 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 3.0) internal successors, (18), 5 states have internal predecessors, (18), 3 states have call successors, (7), 2 states have call predecessors, (7), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 36 [2022-04-15 03:23:41,847 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-15 03:23:41,847 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6 states, 6 states have (on average 3.0) internal successors, (18), 5 states have internal predecessors, (18), 3 states have call successors, (7), 2 states have call predecessors, (7), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2022-04-15 03:23:41,849 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 80 transitions. [2022-04-15 03:23:41,849 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6 states, 6 states have (on average 3.0) internal successors, (18), 5 states have internal predecessors, (18), 3 states have call successors, (7), 2 states have call predecessors, (7), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2022-04-15 03:23:41,850 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 80 transitions. [2022-04-15 03:23:41,851 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with 7 states and 80 transitions. [2022-04-15 03:23:41,946 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 80 edges. 80 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-15 03:23:41,948 INFO L225 Difference]: With dead ends: 82 [2022-04-15 03:23:41,948 INFO L226 Difference]: Without dead ends: 79 [2022-04-15 03:23:41,949 INFO L912 BasicCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 31 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2022-04-15 03:23:41,949 INFO L913 BasicCegarLoop]: 41 mSDtfsCounter, 14 mSDsluCounter, 121 mSDsCounter, 0 mSdLazyCounter, 93 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 17 SdHoareTripleChecker+Valid, 162 SdHoareTripleChecker+Invalid, 102 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 93 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-04-15 03:23:41,950 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [17 Valid, 162 Invalid, 102 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 93 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-04-15 03:23:41,950 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 79 states. [2022-04-15 03:23:41,973 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 79 to 78. [2022-04-15 03:23:41,973 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-04-15 03:23:41,974 INFO L82 GeneralOperation]: Start isEquivalent. First operand 79 states. Second operand has 78 states, 49 states have (on average 1.2040816326530612) internal successors, (59), 51 states have internal predecessors, (59), 18 states have call successors, (18), 11 states have call predecessors, (18), 10 states have return successors, (16), 15 states have call predecessors, (16), 16 states have call successors, (16) [2022-04-15 03:23:41,974 INFO L74 IsIncluded]: Start isIncluded. First operand 79 states. Second operand has 78 states, 49 states have (on average 1.2040816326530612) internal successors, (59), 51 states have internal predecessors, (59), 18 states have call successors, (18), 11 states have call predecessors, (18), 10 states have return successors, (16), 15 states have call predecessors, (16), 16 states have call successors, (16) [2022-04-15 03:23:41,975 INFO L87 Difference]: Start difference. First operand 79 states. Second operand has 78 states, 49 states have (on average 1.2040816326530612) internal successors, (59), 51 states have internal predecessors, (59), 18 states have call successors, (18), 11 states have call predecessors, (18), 10 states have return successors, (16), 15 states have call predecessors, (16), 16 states have call successors, (16) [2022-04-15 03:23:41,978 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-15 03:23:41,978 INFO L93 Difference]: Finished difference Result 79 states and 94 transitions. [2022-04-15 03:23:41,978 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 94 transitions. [2022-04-15 03:23:41,978 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-15 03:23:41,978 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-15 03:23:41,979 INFO L74 IsIncluded]: Start isIncluded. First operand has 78 states, 49 states have (on average 1.2040816326530612) internal successors, (59), 51 states have internal predecessors, (59), 18 states have call successors, (18), 11 states have call predecessors, (18), 10 states have return successors, (16), 15 states have call predecessors, (16), 16 states have call successors, (16) Second operand 79 states. [2022-04-15 03:23:41,979 INFO L87 Difference]: Start difference. First operand has 78 states, 49 states have (on average 1.2040816326530612) internal successors, (59), 51 states have internal predecessors, (59), 18 states have call successors, (18), 11 states have call predecessors, (18), 10 states have return successors, (16), 15 states have call predecessors, (16), 16 states have call successors, (16) Second operand 79 states. [2022-04-15 03:23:41,982 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-15 03:23:41,982 INFO L93 Difference]: Finished difference Result 79 states and 94 transitions. [2022-04-15 03:23:41,982 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 94 transitions. [2022-04-15 03:23:41,982 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-15 03:23:41,982 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-15 03:23:41,983 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-04-15 03:23:41,983 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-04-15 03:23:41,983 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 78 states, 49 states have (on average 1.2040816326530612) internal successors, (59), 51 states have internal predecessors, (59), 18 states have call successors, (18), 11 states have call predecessors, (18), 10 states have return successors, (16), 15 states have call predecessors, (16), 16 states have call successors, (16) [2022-04-15 03:23:41,985 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 78 states and 93 transitions. [2022-04-15 03:23:41,986 INFO L78 Accepts]: Start accepts. Automaton has 78 states and 93 transitions. Word has length 36 [2022-04-15 03:23:41,986 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-15 03:23:41,986 INFO L478 AbstractCegarLoop]: Abstraction has 78 states and 93 transitions. [2022-04-15 03:23:41,986 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 3.0) internal successors, (18), 5 states have internal predecessors, (18), 3 states have call successors, (7), 2 states have call predecessors, (7), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2022-04-15 03:23:41,986 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 93 transitions. [2022-04-15 03:23:41,987 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2022-04-15 03:23:41,987 INFO L491 BasicCegarLoop]: Found error trace [2022-04-15 03:23:41,987 INFO L499 BasicCegarLoop]: trace histogram [4, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-04-15 03:23:42,010 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2022-04-15 03:23:42,207 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-04-15 03:23:42,208 INFO L403 AbstractCegarLoop]: === Iteration 8 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-15 03:23:42,208 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-15 03:23:42,208 INFO L85 PathProgramCache]: Analyzing trace with hash 1880362404, now seen corresponding path program 1 times [2022-04-15 03:23:42,208 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-15 03:23:42,208 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2015781762] [2022-04-15 03:23:42,209 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-15 03:23:42,209 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-15 03:23:42,220 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-04-15 03:23:42,221 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [643252067] [2022-04-15 03:23:42,221 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-15 03:23:42,221 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-04-15 03:23:42,221 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-04-15 03:23:42,222 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) [2022-04-15 03:23:42,235 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2022-04-15 03:23:42,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-15 03:23:42,275 INFO L263 TraceCheckSpWp]: Trace formula consists of 124 conjuncts, 7 conjunts are in the unsatisfiable core [2022-04-15 03:23:42,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-15 03:23:42,289 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-04-15 03:23:42,492 INFO L272 TraceCheckUtils]: 0: Hoare triple {2338#true} [99] ULTIMATE.startENTRY-->ULTIMATE.initENTRY: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {2338#true} is VALID [2022-04-15 03:23:42,493 INFO L290 TraceCheckUtils]: 1: Hoare triple {2338#true} [101] ULTIMATE.initENTRY-->ULTIMATE.initFINAL: Formula: (let ((.cse0 (select |v_#memory_int_1| 1))) (and (= 48 (select .cse0 0)) (= (select |v_#valid_1| 2) 1) (= (select |v_#valid_1| 0) 0) (< 0 |v_#StackHeapBarrier_1|) (= |v_#NULL.base_1| 0) (= 1 (select |v_#valid_1| 3)) (= (select |v_#length_1| 2) 9) (= (select |v_#length_1| 3) 12) (= (select |v_#valid_1| 1) 1) (= 2 (select |v_#length_1| 1)) (= (select .cse0 1) 0) (= |v_#NULL.offset_1| 0) (= v_~counter~0_5 0))) InVars {#memory_int=|v_#memory_int_1|, #StackHeapBarrier=|v_#StackHeapBarrier_1|, #length=|v_#length_1|, #valid=|v_#valid_1|} OutVars{~counter~0=v_~counter~0_5, #StackHeapBarrier=|v_#StackHeapBarrier_1|, #valid=|v_#valid_1|, #memory_int=|v_#memory_int_1|, #NULL.offset=|v_#NULL.offset_1|, #length=|v_#length_1|, #NULL.base=|v_#NULL.base_1|} AuxVars[] AssignedVars[~counter~0, #NULL.offset, #NULL.base] {2346#(<= ~counter~0 0)} is VALID [2022-04-15 03:23:42,494 INFO L290 TraceCheckUtils]: 2: Hoare triple {2346#(<= ~counter~0 0)} [104] ULTIMATE.initFINAL-->ULTIMATE.initEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {2346#(<= ~counter~0 0)} is VALID [2022-04-15 03:23:42,494 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {2346#(<= ~counter~0 0)} {2338#true} [140] ULTIMATE.initEXIT-->L-1: AOR: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] LVA: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {2346#(<= ~counter~0 0)} is VALID [2022-04-15 03:23:42,494 INFO L272 TraceCheckUtils]: 4: Hoare triple {2346#(<= ~counter~0 0)} [100] L-1-->mainENTRY: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {2346#(<= ~counter~0 0)} is VALID [2022-04-15 03:23:42,495 INFO L290 TraceCheckUtils]: 5: Hoare triple {2346#(<= ~counter~0 0)} [103] mainENTRY-->L28: Formula: (and (= v_main_~A~0_1 |v_main_#t~nondet4_2|) (= v_main_~B~0_1 |v_main_#t~nondet5_2|)) InVars {main_#t~nondet5=|v_main_#t~nondet5_2|, main_#t~nondet4=|v_main_#t~nondet4_2|} OutVars{main_~q~0=v_main_~q~0_1, main_~d~0=v_main_~d~0_1, main_~B~0=v_main_~B~0_1, main_~A~0=v_main_~A~0_1, main_~p~0=v_main_~p~0_1, main_~r~0=v_main_~r~0_1} AuxVars[] AssignedVars[main_#t~nondet5, main_~q~0, main_#t~nondet4, main_~d~0, main_~B~0, main_~A~0, main_~p~0, main_~r~0] {2346#(<= ~counter~0 0)} is VALID [2022-04-15 03:23:42,495 INFO L272 TraceCheckUtils]: 6: Hoare triple {2346#(<= ~counter~0 0)} [105] L28-->assume_abort_if_notENTRY: Formula: (= (ite (<= 1 (mod v_main_~B~0_10 4294967296)) 1 0) |v_assume_abort_if_not_#in~condInParam_1|) InVars {main_~B~0=v_main_~B~0_10} OutVars{assume_abort_if_not_#in~cond=|v_assume_abort_if_not_#in~condInParam_1|} AuxVars[] AssignedVars[main_~B~0, assume_abort_if_not_#in~cond] {2346#(<= ~counter~0 0)} is VALID [2022-04-15 03:23:42,496 INFO L290 TraceCheckUtils]: 7: Hoare triple {2346#(<= ~counter~0 0)} [107] assume_abort_if_notENTRY-->L12: Formula: (= |v_assume_abort_if_not_#in~cond_1| v_assume_abort_if_not_~cond_1) InVars {assume_abort_if_not_#in~cond=|v_assume_abort_if_not_#in~cond_1|} OutVars{assume_abort_if_not_#in~cond=|v_assume_abort_if_not_#in~cond_1|, assume_abort_if_not_~cond=v_assume_abort_if_not_~cond_1} AuxVars[] AssignedVars[assume_abort_if_not_~cond] {2346#(<= ~counter~0 0)} is VALID [2022-04-15 03:23:42,496 INFO L290 TraceCheckUtils]: 8: Hoare triple {2346#(<= ~counter~0 0)} [111] L12-->L12-2: Formula: (not (= v_assume_abort_if_not_~cond_3 0)) InVars {assume_abort_if_not_~cond=v_assume_abort_if_not_~cond_3} OutVars{assume_abort_if_not_~cond=v_assume_abort_if_not_~cond_3} AuxVars[] AssignedVars[] {2346#(<= ~counter~0 0)} is VALID [2022-04-15 03:23:42,496 INFO L290 TraceCheckUtils]: 9: Hoare triple {2346#(<= ~counter~0 0)} [116] L12-2-->assume_abort_if_notEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {2346#(<= ~counter~0 0)} is VALID [2022-04-15 03:23:42,497 INFO L284 TraceCheckUtils]: 10: Hoare quadruple {2346#(<= ~counter~0 0)} {2346#(<= ~counter~0 0)} [141] assume_abort_if_notEXIT-->L28-1: AOR: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] LVA: Formula: (= (ite (<= 1 (mod v_main_~B~0_10 4294967296)) 1 0) |v_assume_abort_if_not_#in~condInParam_1|) InVars {main_~B~0=v_main_~B~0_10} OutVars{assume_abort_if_not_#in~cond=|v_assume_abort_if_not_#in~condInParam_1|} AuxVars[] AssignedVars[main_~B~0, assume_abort_if_not_#in~cond] {2346#(<= ~counter~0 0)} is VALID [2022-04-15 03:23:42,497 INFO L290 TraceCheckUtils]: 11: Hoare triple {2346#(<= ~counter~0 0)} [106] L28-1-->L35-3: Formula: (and (= v_main_~B~0_5 v_main_~d~0_2) (= v_main_~A~0_4 v_main_~r~0_2) (= v_main_~q~0_2 0) (= v_main_~p~0_2 1)) InVars {main_~A~0=v_main_~A~0_4, main_~B~0=v_main_~B~0_5} OutVars{main_~q~0=v_main_~q~0_2, main_~d~0=v_main_~d~0_2, main_~B~0=v_main_~B~0_5, main_~A~0=v_main_~A~0_4, main_~p~0=v_main_~p~0_2, main_~r~0=v_main_~r~0_2} AuxVars[] AssignedVars[main_~q~0, main_~d~0, main_~p~0, main_~r~0] {2346#(<= ~counter~0 0)} is VALID [2022-04-15 03:23:42,498 INFO L290 TraceCheckUtils]: 12: Hoare triple {2346#(<= ~counter~0 0)} [109] L35-3-->L35-1: Formula: (and (= |v_main_#t~post6_1| v_~counter~0_2) (= v_~counter~0_1 (+ |v_main_#t~post6_1| 1))) InVars {~counter~0=v_~counter~0_2} OutVars{~counter~0=v_~counter~0_1, main_#t~post6=|v_main_#t~post6_1|} AuxVars[] AssignedVars[~counter~0, main_#t~post6] {2380#(<= ~counter~0 1)} is VALID [2022-04-15 03:23:42,498 INFO L290 TraceCheckUtils]: 13: Hoare triple {2380#(<= ~counter~0 1)} [115] L35-1-->L36: Formula: (< |v_main_#t~post6_5| 2) InVars {main_#t~post6=|v_main_#t~post6_5|} OutVars{} AuxVars[] AssignedVars[main_#t~post6] {2380#(<= ~counter~0 1)} is VALID [2022-04-15 03:23:42,499 INFO L272 TraceCheckUtils]: 14: Hoare triple {2380#(<= ~counter~0 1)} [120] L36-->__VERIFIER_assertENTRY: Formula: (= (ite (= (mod v_main_~q~0_8 4294967296) 0) 1 0) |v___VERIFIER_assert_#in~condInParam_1|) InVars {main_~q~0=v_main_~q~0_8} OutVars{__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~condInParam_1|} AuxVars[] AssignedVars[main_~q~0, __VERIFIER_assert_#in~cond] {2380#(<= ~counter~0 1)} is VALID [2022-04-15 03:23:42,500 INFO L290 TraceCheckUtils]: 15: Hoare triple {2380#(<= ~counter~0 1)} [122] __VERIFIER_assertENTRY-->L15: Formula: (= v___VERIFIER_assert_~cond_1 |v___VERIFIER_assert_#in~cond_1|) InVars {__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~cond_1|} OutVars{__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~cond_1|, __VERIFIER_assert_~cond=v___VERIFIER_assert_~cond_1} AuxVars[] AssignedVars[__VERIFIER_assert_~cond] {2380#(<= ~counter~0 1)} is VALID [2022-04-15 03:23:42,510 INFO L290 TraceCheckUtils]: 16: Hoare triple {2380#(<= ~counter~0 1)} [127] L15-->L15-2: Formula: (not (= v___VERIFIER_assert_~cond_3 0)) InVars {__VERIFIER_assert_~cond=v___VERIFIER_assert_~cond_3} OutVars{__VERIFIER_assert_~cond=v___VERIFIER_assert_~cond_3} AuxVars[] AssignedVars[] {2380#(<= ~counter~0 1)} is VALID [2022-04-15 03:23:42,510 INFO L290 TraceCheckUtils]: 17: Hoare triple {2380#(<= ~counter~0 1)} [133] L15-2-->__VERIFIER_assertEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {2380#(<= ~counter~0 1)} is VALID [2022-04-15 03:23:42,511 INFO L284 TraceCheckUtils]: 18: Hoare quadruple {2380#(<= ~counter~0 1)} {2380#(<= ~counter~0 1)} [143] __VERIFIER_assertEXIT-->L36-1: AOR: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] LVA: Formula: (= (ite (= (mod v_main_~q~0_8 4294967296) 0) 1 0) |v___VERIFIER_assert_#in~condInParam_1|) InVars {main_~q~0=v_main_~q~0_8} OutVars{__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~condInParam_1|} AuxVars[] AssignedVars[main_~q~0, __VERIFIER_assert_#in~cond] {2380#(<= ~counter~0 1)} is VALID [2022-04-15 03:23:42,513 INFO L272 TraceCheckUtils]: 19: Hoare triple {2380#(<= ~counter~0 1)} [124] L36-1-->__VERIFIER_assertENTRY: Formula: (= (ite (= (mod v_main_~A~0_8 4294967296) (mod v_main_~r~0_11 4294967296)) 1 0) |v___VERIFIER_assert_#in~condInParam_2|) InVars {main_~A~0=v_main_~A~0_8, main_~r~0=v_main_~r~0_11} OutVars{__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~condInParam_2|} AuxVars[] AssignedVars[__VERIFIER_assert_#in~cond, main_~A~0, main_~r~0] {2380#(<= ~counter~0 1)} is VALID [2022-04-15 03:23:42,513 INFO L290 TraceCheckUtils]: 20: Hoare triple {2380#(<= ~counter~0 1)} [122] __VERIFIER_assertENTRY-->L15: Formula: (= v___VERIFIER_assert_~cond_1 |v___VERIFIER_assert_#in~cond_1|) InVars {__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~cond_1|} OutVars{__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~cond_1|, __VERIFIER_assert_~cond=v___VERIFIER_assert_~cond_1} AuxVars[] AssignedVars[__VERIFIER_assert_~cond] {2380#(<= ~counter~0 1)} is VALID [2022-04-15 03:23:42,513 INFO L290 TraceCheckUtils]: 21: Hoare triple {2380#(<= ~counter~0 1)} [127] L15-->L15-2: Formula: (not (= v___VERIFIER_assert_~cond_3 0)) InVars {__VERIFIER_assert_~cond=v___VERIFIER_assert_~cond_3} OutVars{__VERIFIER_assert_~cond=v___VERIFIER_assert_~cond_3} AuxVars[] AssignedVars[] {2380#(<= ~counter~0 1)} is VALID [2022-04-15 03:23:42,515 INFO L290 TraceCheckUtils]: 22: Hoare triple {2380#(<= ~counter~0 1)} [133] L15-2-->__VERIFIER_assertEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {2380#(<= ~counter~0 1)} is VALID [2022-04-15 03:23:42,516 INFO L284 TraceCheckUtils]: 23: Hoare quadruple {2380#(<= ~counter~0 1)} {2380#(<= ~counter~0 1)} [144] __VERIFIER_assertEXIT-->L37: AOR: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] LVA: Formula: (= (ite (= (mod v_main_~A~0_8 4294967296) (mod v_main_~r~0_11 4294967296)) 1 0) |v___VERIFIER_assert_#in~condInParam_2|) InVars {main_~A~0=v_main_~A~0_8, main_~r~0=v_main_~r~0_11} OutVars{__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~condInParam_2|} AuxVars[] AssignedVars[__VERIFIER_assert_#in~cond, main_~A~0, main_~r~0] {2380#(<= ~counter~0 1)} is VALID [2022-04-15 03:23:42,517 INFO L272 TraceCheckUtils]: 24: Hoare triple {2380#(<= ~counter~0 1)} [129] L37-->__VERIFIER_assertENTRY: Formula: (= |v___VERIFIER_assert_#in~condInParam_3| (ite (= (mod v_main_~d~0_14 4294967296) (mod (* v_main_~p~0_11 v_main_~B~0_11) 4294967296)) 1 0)) InVars {main_~d~0=v_main_~d~0_14, main_~B~0=v_main_~B~0_11, main_~p~0=v_main_~p~0_11} OutVars{__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~condInParam_3|} AuxVars[] AssignedVars[__VERIFIER_assert_#in~cond, main_~d~0, main_~B~0, main_~p~0] {2380#(<= ~counter~0 1)} is VALID [2022-04-15 03:23:42,517 INFO L290 TraceCheckUtils]: 25: Hoare triple {2380#(<= ~counter~0 1)} [122] __VERIFIER_assertENTRY-->L15: Formula: (= v___VERIFIER_assert_~cond_1 |v___VERIFIER_assert_#in~cond_1|) InVars {__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~cond_1|} OutVars{__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~cond_1|, __VERIFIER_assert_~cond=v___VERIFIER_assert_~cond_1} AuxVars[] AssignedVars[__VERIFIER_assert_~cond] {2380#(<= ~counter~0 1)} is VALID [2022-04-15 03:23:42,517 INFO L290 TraceCheckUtils]: 26: Hoare triple {2380#(<= ~counter~0 1)} [127] L15-->L15-2: Formula: (not (= v___VERIFIER_assert_~cond_3 0)) InVars {__VERIFIER_assert_~cond=v___VERIFIER_assert_~cond_3} OutVars{__VERIFIER_assert_~cond=v___VERIFIER_assert_~cond_3} AuxVars[] AssignedVars[] {2380#(<= ~counter~0 1)} is VALID [2022-04-15 03:23:42,518 INFO L290 TraceCheckUtils]: 27: Hoare triple {2380#(<= ~counter~0 1)} [133] L15-2-->__VERIFIER_assertEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {2380#(<= ~counter~0 1)} is VALID [2022-04-15 03:23:42,519 INFO L284 TraceCheckUtils]: 28: Hoare quadruple {2380#(<= ~counter~0 1)} {2380#(<= ~counter~0 1)} [145] __VERIFIER_assertEXIT-->L38: AOR: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] LVA: Formula: (= |v___VERIFIER_assert_#in~condInParam_3| (ite (= (mod v_main_~d~0_14 4294967296) (mod (* v_main_~p~0_11 v_main_~B~0_11) 4294967296)) 1 0)) InVars {main_~d~0=v_main_~d~0_14, main_~B~0=v_main_~B~0_11, main_~p~0=v_main_~p~0_11} OutVars{__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~condInParam_3|} AuxVars[] AssignedVars[__VERIFIER_assert_#in~cond, main_~d~0, main_~B~0, main_~p~0] {2380#(<= ~counter~0 1)} is VALID [2022-04-15 03:23:42,519 INFO L290 TraceCheckUtils]: 29: Hoare triple {2380#(<= ~counter~0 1)} [137] L38-->L35-3: Formula: (and (<= (mod v_main_~d~0_6 4294967296) (mod v_main_~r~0_5 4294967296)) (= v_main_~d~0_5 (* v_main_~d~0_6 2)) (= v_main_~p~0_4 (* v_main_~p~0_5 2))) InVars {main_~d~0=v_main_~d~0_6, main_~p~0=v_main_~p~0_5, main_~r~0=v_main_~r~0_5} OutVars{main_~d~0=v_main_~d~0_5, main_~p~0=v_main_~p~0_4, main_~r~0=v_main_~r~0_5} AuxVars[] AssignedVars[main_~d~0, main_~p~0] {2380#(<= ~counter~0 1)} is VALID [2022-04-15 03:23:42,520 INFO L290 TraceCheckUtils]: 30: Hoare triple {2380#(<= ~counter~0 1)} [109] L35-3-->L35-1: Formula: (and (= |v_main_#t~post6_1| v_~counter~0_2) (= v_~counter~0_1 (+ |v_main_#t~post6_1| 1))) InVars {~counter~0=v_~counter~0_2} OutVars{~counter~0=v_~counter~0_1, main_#t~post6=|v_main_#t~post6_1|} AuxVars[] AssignedVars[~counter~0, main_#t~post6] {2435#(<= |main_#t~post6| 1)} is VALID [2022-04-15 03:23:42,520 INFO L290 TraceCheckUtils]: 31: Hoare triple {2435#(<= |main_#t~post6| 1)} [114] L35-1-->L53-2: Formula: (not (< |v_main_#t~post6_3| 2)) InVars {main_#t~post6=|v_main_#t~post6_3|} OutVars{} AuxVars[] AssignedVars[main_#t~post6] {2339#false} is VALID [2022-04-15 03:23:42,520 INFO L290 TraceCheckUtils]: 32: Hoare triple {2339#false} [113] L53-2-->L45: Formula: (and (= |v_main_#t~post7_1| v_~counter~0_4) (= (+ |v_main_#t~post7_1| 1) v_~counter~0_3)) InVars {~counter~0=v_~counter~0_4} OutVars{~counter~0=v_~counter~0_3, main_#t~post7=|v_main_#t~post7_1|} AuxVars[] AssignedVars[~counter~0, main_#t~post7] {2339#false} is VALID [2022-04-15 03:23:42,520 INFO L290 TraceCheckUtils]: 33: Hoare triple {2339#false} [118] L45-->L45-2: Formula: (not (< |v_main_#t~post7_3| 2)) InVars {main_#t~post7=|v_main_#t~post7_3|} OutVars{} AuxVars[] AssignedVars[main_#t~post7] {2339#false} is VALID [2022-04-15 03:23:42,521 INFO L272 TraceCheckUtils]: 34: Hoare triple {2339#false} [117] L45-2-->__VERIFIER_assertENTRY: Formula: (= |v___VERIFIER_assert_#in~condInParam_6| (ite (= (mod (+ (* v_main_~q~0_10 v_main_~d~0_16) v_main_~r~0_13) 4294967296) (mod v_main_~A~0_10 4294967296)) 1 0)) InVars {main_~q~0=v_main_~q~0_10, main_~d~0=v_main_~d~0_16, main_~A~0=v_main_~A~0_10, main_~r~0=v_main_~r~0_13} OutVars{__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~condInParam_6|} AuxVars[] AssignedVars[main_~q~0, __VERIFIER_assert_#in~cond, main_~d~0, main_~A~0, main_~r~0] {2339#false} is VALID [2022-04-15 03:23:42,521 INFO L290 TraceCheckUtils]: 35: Hoare triple {2339#false} [122] __VERIFIER_assertENTRY-->L15: Formula: (= v___VERIFIER_assert_~cond_1 |v___VERIFIER_assert_#in~cond_1|) InVars {__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~cond_1|} OutVars{__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~cond_1|, __VERIFIER_assert_~cond=v___VERIFIER_assert_~cond_1} AuxVars[] AssignedVars[__VERIFIER_assert_~cond] {2339#false} is VALID [2022-04-15 03:23:42,521 INFO L290 TraceCheckUtils]: 36: Hoare triple {2339#false} [126] L15-->L16: Formula: (= v___VERIFIER_assert_~cond_2 0) InVars {__VERIFIER_assert_~cond=v___VERIFIER_assert_~cond_2} OutVars{__VERIFIER_assert_~cond=v___VERIFIER_assert_~cond_2} AuxVars[] AssignedVars[] {2339#false} is VALID [2022-04-15 03:23:42,521 INFO L290 TraceCheckUtils]: 37: Hoare triple {2339#false} [131] L16-->__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {2339#false} is VALID [2022-04-15 03:23:42,521 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 6 proven. 2 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-04-15 03:23:42,521 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-04-15 03:23:42,727 INFO L290 TraceCheckUtils]: 37: Hoare triple {2339#false} [131] L16-->__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {2339#false} is VALID [2022-04-15 03:23:42,727 INFO L290 TraceCheckUtils]: 36: Hoare triple {2339#false} [126] L15-->L16: Formula: (= v___VERIFIER_assert_~cond_2 0) InVars {__VERIFIER_assert_~cond=v___VERIFIER_assert_~cond_2} OutVars{__VERIFIER_assert_~cond=v___VERIFIER_assert_~cond_2} AuxVars[] AssignedVars[] {2339#false} is VALID [2022-04-15 03:23:42,727 INFO L290 TraceCheckUtils]: 35: Hoare triple {2339#false} [122] __VERIFIER_assertENTRY-->L15: Formula: (= v___VERIFIER_assert_~cond_1 |v___VERIFIER_assert_#in~cond_1|) InVars {__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~cond_1|} OutVars{__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~cond_1|, __VERIFIER_assert_~cond=v___VERIFIER_assert_~cond_1} AuxVars[] AssignedVars[__VERIFIER_assert_~cond] {2339#false} is VALID [2022-04-15 03:23:42,727 INFO L272 TraceCheckUtils]: 34: Hoare triple {2339#false} [117] L45-2-->__VERIFIER_assertENTRY: Formula: (= |v___VERIFIER_assert_#in~condInParam_6| (ite (= (mod (+ (* v_main_~q~0_10 v_main_~d~0_16) v_main_~r~0_13) 4294967296) (mod v_main_~A~0_10 4294967296)) 1 0)) InVars {main_~q~0=v_main_~q~0_10, main_~d~0=v_main_~d~0_16, main_~A~0=v_main_~A~0_10, main_~r~0=v_main_~r~0_13} OutVars{__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~condInParam_6|} AuxVars[] AssignedVars[main_~q~0, __VERIFIER_assert_#in~cond, main_~d~0, main_~A~0, main_~r~0] {2339#false} is VALID [2022-04-15 03:23:42,728 INFO L290 TraceCheckUtils]: 33: Hoare triple {2339#false} [118] L45-->L45-2: Formula: (not (< |v_main_#t~post7_3| 2)) InVars {main_#t~post7=|v_main_#t~post7_3|} OutVars{} AuxVars[] AssignedVars[main_#t~post7] {2339#false} is VALID [2022-04-15 03:23:42,728 INFO L290 TraceCheckUtils]: 32: Hoare triple {2339#false} [113] L53-2-->L45: Formula: (and (= |v_main_#t~post7_1| v_~counter~0_4) (= (+ |v_main_#t~post7_1| 1) v_~counter~0_3)) InVars {~counter~0=v_~counter~0_4} OutVars{~counter~0=v_~counter~0_3, main_#t~post7=|v_main_#t~post7_1|} AuxVars[] AssignedVars[~counter~0, main_#t~post7] {2339#false} is VALID [2022-04-15 03:23:42,735 INFO L290 TraceCheckUtils]: 31: Hoare triple {2435#(<= |main_#t~post6| 1)} [114] L35-1-->L53-2: Formula: (not (< |v_main_#t~post6_3| 2)) InVars {main_#t~post6=|v_main_#t~post6_3|} OutVars{} AuxVars[] AssignedVars[main_#t~post6] {2339#false} is VALID [2022-04-15 03:23:42,736 INFO L290 TraceCheckUtils]: 30: Hoare triple {2380#(<= ~counter~0 1)} [109] L35-3-->L35-1: Formula: (and (= |v_main_#t~post6_1| v_~counter~0_2) (= v_~counter~0_1 (+ |v_main_#t~post6_1| 1))) InVars {~counter~0=v_~counter~0_2} OutVars{~counter~0=v_~counter~0_1, main_#t~post6=|v_main_#t~post6_1|} AuxVars[] AssignedVars[~counter~0, main_#t~post6] {2435#(<= |main_#t~post6| 1)} is VALID [2022-04-15 03:23:42,736 INFO L290 TraceCheckUtils]: 29: Hoare triple {2380#(<= ~counter~0 1)} [137] L38-->L35-3: Formula: (and (<= (mod v_main_~d~0_6 4294967296) (mod v_main_~r~0_5 4294967296)) (= v_main_~d~0_5 (* v_main_~d~0_6 2)) (= v_main_~p~0_4 (* v_main_~p~0_5 2))) InVars {main_~d~0=v_main_~d~0_6, main_~p~0=v_main_~p~0_5, main_~r~0=v_main_~r~0_5} OutVars{main_~d~0=v_main_~d~0_5, main_~p~0=v_main_~p~0_4, main_~r~0=v_main_~r~0_5} AuxVars[] AssignedVars[main_~d~0, main_~p~0] {2380#(<= ~counter~0 1)} is VALID [2022-04-15 03:23:42,737 INFO L284 TraceCheckUtils]: 28: Hoare quadruple {2338#true} {2380#(<= ~counter~0 1)} [145] __VERIFIER_assertEXIT-->L38: AOR: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] LVA: Formula: (= |v___VERIFIER_assert_#in~condInParam_3| (ite (= (mod v_main_~d~0_14 4294967296) (mod (* v_main_~p~0_11 v_main_~B~0_11) 4294967296)) 1 0)) InVars {main_~d~0=v_main_~d~0_14, main_~B~0=v_main_~B~0_11, main_~p~0=v_main_~p~0_11} OutVars{__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~condInParam_3|} AuxVars[] AssignedVars[__VERIFIER_assert_#in~cond, main_~d~0, main_~B~0, main_~p~0] {2380#(<= ~counter~0 1)} is VALID [2022-04-15 03:23:42,737 INFO L290 TraceCheckUtils]: 27: Hoare triple {2338#true} [133] L15-2-->__VERIFIER_assertEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {2338#true} is VALID [2022-04-15 03:23:42,737 INFO L290 TraceCheckUtils]: 26: Hoare triple {2338#true} [127] L15-->L15-2: Formula: (not (= v___VERIFIER_assert_~cond_3 0)) InVars {__VERIFIER_assert_~cond=v___VERIFIER_assert_~cond_3} OutVars{__VERIFIER_assert_~cond=v___VERIFIER_assert_~cond_3} AuxVars[] AssignedVars[] {2338#true} is VALID [2022-04-15 03:23:42,737 INFO L290 TraceCheckUtils]: 25: Hoare triple {2338#true} [122] __VERIFIER_assertENTRY-->L15: Formula: (= v___VERIFIER_assert_~cond_1 |v___VERIFIER_assert_#in~cond_1|) InVars {__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~cond_1|} OutVars{__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~cond_1|, __VERIFIER_assert_~cond=v___VERIFIER_assert_~cond_1} AuxVars[] AssignedVars[__VERIFIER_assert_~cond] {2338#true} is VALID [2022-04-15 03:23:42,737 INFO L272 TraceCheckUtils]: 24: Hoare triple {2380#(<= ~counter~0 1)} [129] L37-->__VERIFIER_assertENTRY: Formula: (= |v___VERIFIER_assert_#in~condInParam_3| (ite (= (mod v_main_~d~0_14 4294967296) (mod (* v_main_~p~0_11 v_main_~B~0_11) 4294967296)) 1 0)) InVars {main_~d~0=v_main_~d~0_14, main_~B~0=v_main_~B~0_11, main_~p~0=v_main_~p~0_11} OutVars{__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~condInParam_3|} AuxVars[] AssignedVars[__VERIFIER_assert_#in~cond, main_~d~0, main_~B~0, main_~p~0] {2338#true} is VALID [2022-04-15 03:23:42,739 INFO L284 TraceCheckUtils]: 23: Hoare quadruple {2338#true} {2380#(<= ~counter~0 1)} [144] __VERIFIER_assertEXIT-->L37: AOR: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] LVA: Formula: (= (ite (= (mod v_main_~A~0_8 4294967296) (mod v_main_~r~0_11 4294967296)) 1 0) |v___VERIFIER_assert_#in~condInParam_2|) InVars {main_~A~0=v_main_~A~0_8, main_~r~0=v_main_~r~0_11} OutVars{__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~condInParam_2|} AuxVars[] AssignedVars[__VERIFIER_assert_#in~cond, main_~A~0, main_~r~0] {2380#(<= ~counter~0 1)} is VALID [2022-04-15 03:23:42,740 INFO L290 TraceCheckUtils]: 22: Hoare triple {2338#true} [133] L15-2-->__VERIFIER_assertEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {2338#true} is VALID [2022-04-15 03:23:42,740 INFO L290 TraceCheckUtils]: 21: Hoare triple {2338#true} [127] L15-->L15-2: Formula: (not (= v___VERIFIER_assert_~cond_3 0)) InVars {__VERIFIER_assert_~cond=v___VERIFIER_assert_~cond_3} OutVars{__VERIFIER_assert_~cond=v___VERIFIER_assert_~cond_3} AuxVars[] AssignedVars[] {2338#true} is VALID [2022-04-15 03:23:42,740 INFO L290 TraceCheckUtils]: 20: Hoare triple {2338#true} [122] __VERIFIER_assertENTRY-->L15: Formula: (= v___VERIFIER_assert_~cond_1 |v___VERIFIER_assert_#in~cond_1|) InVars {__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~cond_1|} OutVars{__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~cond_1|, __VERIFIER_assert_~cond=v___VERIFIER_assert_~cond_1} AuxVars[] AssignedVars[__VERIFIER_assert_~cond] {2338#true} is VALID [2022-04-15 03:23:42,740 INFO L272 TraceCheckUtils]: 19: Hoare triple {2380#(<= ~counter~0 1)} [124] L36-1-->__VERIFIER_assertENTRY: Formula: (= (ite (= (mod v_main_~A~0_8 4294967296) (mod v_main_~r~0_11 4294967296)) 1 0) |v___VERIFIER_assert_#in~condInParam_2|) InVars {main_~A~0=v_main_~A~0_8, main_~r~0=v_main_~r~0_11} OutVars{__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~condInParam_2|} AuxVars[] AssignedVars[__VERIFIER_assert_#in~cond, main_~A~0, main_~r~0] {2338#true} is VALID [2022-04-15 03:23:42,741 INFO L284 TraceCheckUtils]: 18: Hoare quadruple {2338#true} {2380#(<= ~counter~0 1)} [143] __VERIFIER_assertEXIT-->L36-1: AOR: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] LVA: Formula: (= (ite (= (mod v_main_~q~0_8 4294967296) 0) 1 0) |v___VERIFIER_assert_#in~condInParam_1|) InVars {main_~q~0=v_main_~q~0_8} OutVars{__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~condInParam_1|} AuxVars[] AssignedVars[main_~q~0, __VERIFIER_assert_#in~cond] {2380#(<= ~counter~0 1)} is VALID [2022-04-15 03:23:42,741 INFO L290 TraceCheckUtils]: 17: Hoare triple {2338#true} [133] L15-2-->__VERIFIER_assertEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {2338#true} is VALID [2022-04-15 03:23:42,741 INFO L290 TraceCheckUtils]: 16: Hoare triple {2338#true} [127] L15-->L15-2: Formula: (not (= v___VERIFIER_assert_~cond_3 0)) InVars {__VERIFIER_assert_~cond=v___VERIFIER_assert_~cond_3} OutVars{__VERIFIER_assert_~cond=v___VERIFIER_assert_~cond_3} AuxVars[] AssignedVars[] {2338#true} is VALID [2022-04-15 03:23:42,741 INFO L290 TraceCheckUtils]: 15: Hoare triple {2338#true} [122] __VERIFIER_assertENTRY-->L15: Formula: (= v___VERIFIER_assert_~cond_1 |v___VERIFIER_assert_#in~cond_1|) InVars {__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~cond_1|} OutVars{__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~cond_1|, __VERIFIER_assert_~cond=v___VERIFIER_assert_~cond_1} AuxVars[] AssignedVars[__VERIFIER_assert_~cond] {2338#true} is VALID [2022-04-15 03:23:42,741 INFO L272 TraceCheckUtils]: 14: Hoare triple {2380#(<= ~counter~0 1)} [120] L36-->__VERIFIER_assertENTRY: Formula: (= (ite (= (mod v_main_~q~0_8 4294967296) 0) 1 0) |v___VERIFIER_assert_#in~condInParam_1|) InVars {main_~q~0=v_main_~q~0_8} OutVars{__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~condInParam_1|} AuxVars[] AssignedVars[main_~q~0, __VERIFIER_assert_#in~cond] {2338#true} is VALID [2022-04-15 03:23:42,742 INFO L290 TraceCheckUtils]: 13: Hoare triple {2380#(<= ~counter~0 1)} [115] L35-1-->L36: Formula: (< |v_main_#t~post6_5| 2) InVars {main_#t~post6=|v_main_#t~post6_5|} OutVars{} AuxVars[] AssignedVars[main_#t~post6] {2380#(<= ~counter~0 1)} is VALID [2022-04-15 03:23:42,742 INFO L290 TraceCheckUtils]: 12: Hoare triple {2346#(<= ~counter~0 0)} [109] L35-3-->L35-1: Formula: (and (= |v_main_#t~post6_1| v_~counter~0_2) (= v_~counter~0_1 (+ |v_main_#t~post6_1| 1))) InVars {~counter~0=v_~counter~0_2} OutVars{~counter~0=v_~counter~0_1, main_#t~post6=|v_main_#t~post6_1|} AuxVars[] AssignedVars[~counter~0, main_#t~post6] {2380#(<= ~counter~0 1)} is VALID [2022-04-15 03:23:42,743 INFO L290 TraceCheckUtils]: 11: Hoare triple {2346#(<= ~counter~0 0)} [106] L28-1-->L35-3: Formula: (and (= v_main_~B~0_5 v_main_~d~0_2) (= v_main_~A~0_4 v_main_~r~0_2) (= v_main_~q~0_2 0) (= v_main_~p~0_2 1)) InVars {main_~A~0=v_main_~A~0_4, main_~B~0=v_main_~B~0_5} OutVars{main_~q~0=v_main_~q~0_2, main_~d~0=v_main_~d~0_2, main_~B~0=v_main_~B~0_5, main_~A~0=v_main_~A~0_4, main_~p~0=v_main_~p~0_2, main_~r~0=v_main_~r~0_2} AuxVars[] AssignedVars[main_~q~0, main_~d~0, main_~p~0, main_~r~0] {2346#(<= ~counter~0 0)} is VALID [2022-04-15 03:23:42,743 INFO L284 TraceCheckUtils]: 10: Hoare quadruple {2338#true} {2346#(<= ~counter~0 0)} [141] assume_abort_if_notEXIT-->L28-1: AOR: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] LVA: Formula: (= (ite (<= 1 (mod v_main_~B~0_10 4294967296)) 1 0) |v_assume_abort_if_not_#in~condInParam_1|) InVars {main_~B~0=v_main_~B~0_10} OutVars{assume_abort_if_not_#in~cond=|v_assume_abort_if_not_#in~condInParam_1|} AuxVars[] AssignedVars[main_~B~0, assume_abort_if_not_#in~cond] {2346#(<= ~counter~0 0)} is VALID [2022-04-15 03:23:42,744 INFO L290 TraceCheckUtils]: 9: Hoare triple {2338#true} [116] L12-2-->assume_abort_if_notEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {2338#true} is VALID [2022-04-15 03:23:42,744 INFO L290 TraceCheckUtils]: 8: Hoare triple {2338#true} [111] L12-->L12-2: Formula: (not (= v_assume_abort_if_not_~cond_3 0)) InVars {assume_abort_if_not_~cond=v_assume_abort_if_not_~cond_3} OutVars{assume_abort_if_not_~cond=v_assume_abort_if_not_~cond_3} AuxVars[] AssignedVars[] {2338#true} is VALID [2022-04-15 03:23:42,744 INFO L290 TraceCheckUtils]: 7: Hoare triple {2338#true} [107] assume_abort_if_notENTRY-->L12: Formula: (= |v_assume_abort_if_not_#in~cond_1| v_assume_abort_if_not_~cond_1) InVars {assume_abort_if_not_#in~cond=|v_assume_abort_if_not_#in~cond_1|} OutVars{assume_abort_if_not_#in~cond=|v_assume_abort_if_not_#in~cond_1|, assume_abort_if_not_~cond=v_assume_abort_if_not_~cond_1} AuxVars[] AssignedVars[assume_abort_if_not_~cond] {2338#true} is VALID [2022-04-15 03:23:42,744 INFO L272 TraceCheckUtils]: 6: Hoare triple {2346#(<= ~counter~0 0)} [105] L28-->assume_abort_if_notENTRY: Formula: (= (ite (<= 1 (mod v_main_~B~0_10 4294967296)) 1 0) |v_assume_abort_if_not_#in~condInParam_1|) InVars {main_~B~0=v_main_~B~0_10} OutVars{assume_abort_if_not_#in~cond=|v_assume_abort_if_not_#in~condInParam_1|} AuxVars[] AssignedVars[main_~B~0, assume_abort_if_not_#in~cond] {2338#true} is VALID [2022-04-15 03:23:42,744 INFO L290 TraceCheckUtils]: 5: Hoare triple {2346#(<= ~counter~0 0)} [103] mainENTRY-->L28: Formula: (and (= v_main_~A~0_1 |v_main_#t~nondet4_2|) (= v_main_~B~0_1 |v_main_#t~nondet5_2|)) InVars {main_#t~nondet5=|v_main_#t~nondet5_2|, main_#t~nondet4=|v_main_#t~nondet4_2|} OutVars{main_~q~0=v_main_~q~0_1, main_~d~0=v_main_~d~0_1, main_~B~0=v_main_~B~0_1, main_~A~0=v_main_~A~0_1, main_~p~0=v_main_~p~0_1, main_~r~0=v_main_~r~0_1} AuxVars[] AssignedVars[main_#t~nondet5, main_~q~0, main_#t~nondet4, main_~d~0, main_~B~0, main_~A~0, main_~p~0, main_~r~0] {2346#(<= ~counter~0 0)} is VALID [2022-04-15 03:23:42,745 INFO L272 TraceCheckUtils]: 4: Hoare triple {2346#(<= ~counter~0 0)} [100] L-1-->mainENTRY: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {2346#(<= ~counter~0 0)} is VALID [2022-04-15 03:23:42,745 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {2346#(<= ~counter~0 0)} {2338#true} [140] ULTIMATE.initEXIT-->L-1: AOR: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] LVA: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {2346#(<= ~counter~0 0)} is VALID [2022-04-15 03:23:42,746 INFO L290 TraceCheckUtils]: 2: Hoare triple {2346#(<= ~counter~0 0)} [104] ULTIMATE.initFINAL-->ULTIMATE.initEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {2346#(<= ~counter~0 0)} is VALID [2022-04-15 03:23:42,746 INFO L290 TraceCheckUtils]: 1: Hoare triple {2338#true} [101] ULTIMATE.initENTRY-->ULTIMATE.initFINAL: Formula: (let ((.cse0 (select |v_#memory_int_1| 1))) (and (= 48 (select .cse0 0)) (= (select |v_#valid_1| 2) 1) (= (select |v_#valid_1| 0) 0) (< 0 |v_#StackHeapBarrier_1|) (= |v_#NULL.base_1| 0) (= 1 (select |v_#valid_1| 3)) (= (select |v_#length_1| 2) 9) (= (select |v_#length_1| 3) 12) (= (select |v_#valid_1| 1) 1) (= 2 (select |v_#length_1| 1)) (= (select .cse0 1) 0) (= |v_#NULL.offset_1| 0) (= v_~counter~0_5 0))) InVars {#memory_int=|v_#memory_int_1|, #StackHeapBarrier=|v_#StackHeapBarrier_1|, #length=|v_#length_1|, #valid=|v_#valid_1|} OutVars{~counter~0=v_~counter~0_5, #StackHeapBarrier=|v_#StackHeapBarrier_1|, #valid=|v_#valid_1|, #memory_int=|v_#memory_int_1|, #NULL.offset=|v_#NULL.offset_1|, #length=|v_#length_1|, #NULL.base=|v_#NULL.base_1|} AuxVars[] AssignedVars[~counter~0, #NULL.offset, #NULL.base] {2346#(<= ~counter~0 0)} is VALID [2022-04-15 03:23:42,747 INFO L272 TraceCheckUtils]: 0: Hoare triple {2338#true} [99] ULTIMATE.startENTRY-->ULTIMATE.initENTRY: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {2338#true} is VALID [2022-04-15 03:23:42,747 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 6 proven. 2 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-04-15 03:23:42,747 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-15 03:23:42,747 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2015781762] [2022-04-15 03:23:42,747 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-04-15 03:23:42,747 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [643252067] [2022-04-15 03:23:42,747 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [643252067] provided 0 perfect and 2 imperfect interpolant sequences [2022-04-15 03:23:42,747 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-04-15 03:23:42,748 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 5 [2022-04-15 03:23:42,748 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1211958320] [2022-04-15 03:23:42,748 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-04-15 03:23:42,748 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 5.2) internal successors, (26), 5 states have internal predecessors, (26), 4 states have call successors, (11), 4 states have call predecessors, (11), 3 states have return successors, (9), 2 states have call predecessors, (9), 3 states have call successors, (9) Word has length 38 [2022-04-15 03:23:42,749 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-04-15 03:23:42,749 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with has 5 states, 5 states have (on average 5.2) internal successors, (26), 5 states have internal predecessors, (26), 4 states have call successors, (11), 4 states have call predecessors, (11), 3 states have return successors, (9), 2 states have call predecessors, (9), 3 states have call successors, (9) [2022-04-15 03:23:42,791 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 46 edges. 46 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-15 03:23:42,791 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-04-15 03:23:42,792 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-15 03:23:42,792 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-04-15 03:23:42,792 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-04-15 03:23:42,792 INFO L87 Difference]: Start difference. First operand 78 states and 93 transitions. Second operand has 5 states, 5 states have (on average 5.2) internal successors, (26), 5 states have internal predecessors, (26), 4 states have call successors, (11), 4 states have call predecessors, (11), 3 states have return successors, (9), 2 states have call predecessors, (9), 3 states have call successors, (9) [2022-04-15 03:23:42,985 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-15 03:23:42,986 INFO L93 Difference]: Finished difference Result 94 states and 115 transitions. [2022-04-15 03:23:42,986 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-04-15 03:23:42,986 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 5.2) internal successors, (26), 5 states have internal predecessors, (26), 4 states have call successors, (11), 4 states have call predecessors, (11), 3 states have return successors, (9), 2 states have call predecessors, (9), 3 states have call successors, (9) Word has length 38 [2022-04-15 03:23:42,986 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-15 03:23:42,986 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5 states, 5 states have (on average 5.2) internal successors, (26), 5 states have internal predecessors, (26), 4 states have call successors, (11), 4 states have call predecessors, (11), 3 states have return successors, (9), 2 states have call predecessors, (9), 3 states have call successors, (9) [2022-04-15 03:23:42,988 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 78 transitions. [2022-04-15 03:23:42,988 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5 states, 5 states have (on average 5.2) internal successors, (26), 5 states have internal predecessors, (26), 4 states have call successors, (11), 4 states have call predecessors, (11), 3 states have return successors, (9), 2 states have call predecessors, (9), 3 states have call successors, (9) [2022-04-15 03:23:42,990 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 78 transitions. [2022-04-15 03:23:42,990 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with 6 states and 78 transitions. [2022-04-15 03:23:43,055 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 78 edges. 78 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-15 03:23:43,057 INFO L225 Difference]: With dead ends: 94 [2022-04-15 03:23:43,057 INFO L226 Difference]: Without dead ends: 80 [2022-04-15 03:23:43,058 INFO L912 BasicCegarLoop]: 0 DeclaredPredicates, 76 GetRequests, 71 SyntacticMatches, 1 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2022-04-15 03:23:43,058 INFO L913 BasicCegarLoop]: 42 mSDtfsCounter, 7 mSDsluCounter, 74 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7 SdHoareTripleChecker+Valid, 116 SdHoareTripleChecker+Invalid, 23 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 18 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-04-15 03:23:43,058 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [7 Valid, 116 Invalid, 23 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-04-15 03:23:43,059 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 80 states. [2022-04-15 03:23:43,084 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 80 to 80. [2022-04-15 03:23:43,085 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-04-15 03:23:43,085 INFO L82 GeneralOperation]: Start isEquivalent. First operand 80 states. Second operand has 80 states, 51 states have (on average 1.196078431372549) internal successors, (61), 53 states have internal predecessors, (61), 18 states have call successors, (18), 11 states have call predecessors, (18), 10 states have return successors, (16), 15 states have call predecessors, (16), 16 states have call successors, (16) [2022-04-15 03:23:43,085 INFO L74 IsIncluded]: Start isIncluded. First operand 80 states. Second operand has 80 states, 51 states have (on average 1.196078431372549) internal successors, (61), 53 states have internal predecessors, (61), 18 states have call successors, (18), 11 states have call predecessors, (18), 10 states have return successors, (16), 15 states have call predecessors, (16), 16 states have call successors, (16) [2022-04-15 03:23:43,086 INFO L87 Difference]: Start difference. First operand 80 states. Second operand has 80 states, 51 states have (on average 1.196078431372549) internal successors, (61), 53 states have internal predecessors, (61), 18 states have call successors, (18), 11 states have call predecessors, (18), 10 states have return successors, (16), 15 states have call predecessors, (16), 16 states have call successors, (16) [2022-04-15 03:23:43,088 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-15 03:23:43,088 INFO L93 Difference]: Finished difference Result 80 states and 95 transitions. [2022-04-15 03:23:43,089 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 95 transitions. [2022-04-15 03:23:43,089 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-15 03:23:43,089 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-15 03:23:43,089 INFO L74 IsIncluded]: Start isIncluded. First operand has 80 states, 51 states have (on average 1.196078431372549) internal successors, (61), 53 states have internal predecessors, (61), 18 states have call successors, (18), 11 states have call predecessors, (18), 10 states have return successors, (16), 15 states have call predecessors, (16), 16 states have call successors, (16) Second operand 80 states. [2022-04-15 03:23:43,090 INFO L87 Difference]: Start difference. First operand has 80 states, 51 states have (on average 1.196078431372549) internal successors, (61), 53 states have internal predecessors, (61), 18 states have call successors, (18), 11 states have call predecessors, (18), 10 states have return successors, (16), 15 states have call predecessors, (16), 16 states have call successors, (16) Second operand 80 states. [2022-04-15 03:23:43,092 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-15 03:23:43,092 INFO L93 Difference]: Finished difference Result 80 states and 95 transitions. [2022-04-15 03:23:43,092 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 95 transitions. [2022-04-15 03:23:43,093 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-15 03:23:43,093 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-15 03:23:43,093 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-04-15 03:23:43,093 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-04-15 03:23:43,094 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 80 states, 51 states have (on average 1.196078431372549) internal successors, (61), 53 states have internal predecessors, (61), 18 states have call successors, (18), 11 states have call predecessors, (18), 10 states have return successors, (16), 15 states have call predecessors, (16), 16 states have call successors, (16) [2022-04-15 03:23:43,096 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 80 states and 95 transitions. [2022-04-15 03:23:43,096 INFO L78 Accepts]: Start accepts. Automaton has 80 states and 95 transitions. Word has length 38 [2022-04-15 03:23:43,096 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-15 03:23:43,097 INFO L478 AbstractCegarLoop]: Abstraction has 80 states and 95 transitions. [2022-04-15 03:23:43,097 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 5.2) internal successors, (26), 5 states have internal predecessors, (26), 4 states have call successors, (11), 4 states have call predecessors, (11), 3 states have return successors, (9), 2 states have call predecessors, (9), 3 states have call successors, (9) [2022-04-15 03:23:43,097 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 95 transitions. [2022-04-15 03:23:43,097 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2022-04-15 03:23:43,097 INFO L491 BasicCegarLoop]: Found error trace [2022-04-15 03:23:43,098 INFO L499 BasicCegarLoop]: trace histogram [6, 5, 5, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-04-15 03:23:43,120 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2022-04-15 03:23:43,311 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-04-15 03:23:43,312 INFO L403 AbstractCegarLoop]: === Iteration 9 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-15 03:23:43,312 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-15 03:23:43,312 INFO L85 PathProgramCache]: Analyzing trace with hash 1525733273, now seen corresponding path program 1 times [2022-04-15 03:23:43,312 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-15 03:23:43,312 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1959213970] [2022-04-15 03:23:43,312 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-15 03:23:43,312 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-15 03:23:43,322 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-04-15 03:23:43,322 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1387233221] [2022-04-15 03:23:43,322 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-15 03:23:43,322 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-04-15 03:23:43,323 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-04-15 03:23:43,323 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) [2022-04-15 03:23:43,331 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2022-04-15 03:23:43,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-15 03:23:43,468 INFO L263 TraceCheckSpWp]: Trace formula consists of 137 conjuncts, 16 conjunts are in the unsatisfiable core [2022-04-15 03:23:43,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-15 03:23:43,491 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-04-15 03:23:44,580 INFO L272 TraceCheckUtils]: 0: Hoare triple {2975#true} [99] ULTIMATE.startENTRY-->ULTIMATE.initENTRY: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {2975#true} is VALID [2022-04-15 03:23:44,580 INFO L290 TraceCheckUtils]: 1: Hoare triple {2975#true} [101] ULTIMATE.initENTRY-->ULTIMATE.initFINAL: Formula: (let ((.cse0 (select |v_#memory_int_1| 1))) (and (= 48 (select .cse0 0)) (= (select |v_#valid_1| 2) 1) (= (select |v_#valid_1| 0) 0) (< 0 |v_#StackHeapBarrier_1|) (= |v_#NULL.base_1| 0) (= 1 (select |v_#valid_1| 3)) (= (select |v_#length_1| 2) 9) (= (select |v_#length_1| 3) 12) (= (select |v_#valid_1| 1) 1) (= 2 (select |v_#length_1| 1)) (= (select .cse0 1) 0) (= |v_#NULL.offset_1| 0) (= v_~counter~0_5 0))) InVars {#memory_int=|v_#memory_int_1|, #StackHeapBarrier=|v_#StackHeapBarrier_1|, #length=|v_#length_1|, #valid=|v_#valid_1|} OutVars{~counter~0=v_~counter~0_5, #StackHeapBarrier=|v_#StackHeapBarrier_1|, #valid=|v_#valid_1|, #memory_int=|v_#memory_int_1|, #NULL.offset=|v_#NULL.offset_1|, #length=|v_#length_1|, #NULL.base=|v_#NULL.base_1|} AuxVars[] AssignedVars[~counter~0, #NULL.offset, #NULL.base] {2975#true} is VALID [2022-04-15 03:23:44,580 INFO L290 TraceCheckUtils]: 2: Hoare triple {2975#true} [104] ULTIMATE.initFINAL-->ULTIMATE.initEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {2975#true} is VALID [2022-04-15 03:23:44,580 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {2975#true} {2975#true} [140] ULTIMATE.initEXIT-->L-1: AOR: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] LVA: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {2975#true} is VALID [2022-04-15 03:23:44,581 INFO L272 TraceCheckUtils]: 4: Hoare triple {2975#true} [100] L-1-->mainENTRY: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {2975#true} is VALID [2022-04-15 03:23:44,581 INFO L290 TraceCheckUtils]: 5: Hoare triple {2975#true} [103] mainENTRY-->L28: Formula: (and (= v_main_~A~0_1 |v_main_#t~nondet4_2|) (= v_main_~B~0_1 |v_main_#t~nondet5_2|)) InVars {main_#t~nondet5=|v_main_#t~nondet5_2|, main_#t~nondet4=|v_main_#t~nondet4_2|} OutVars{main_~q~0=v_main_~q~0_1, main_~d~0=v_main_~d~0_1, main_~B~0=v_main_~B~0_1, main_~A~0=v_main_~A~0_1, main_~p~0=v_main_~p~0_1, main_~r~0=v_main_~r~0_1} AuxVars[] AssignedVars[main_#t~nondet5, main_~q~0, main_#t~nondet4, main_~d~0, main_~B~0, main_~A~0, main_~p~0, main_~r~0] {2975#true} is VALID [2022-04-15 03:23:44,581 INFO L272 TraceCheckUtils]: 6: Hoare triple {2975#true} [105] L28-->assume_abort_if_notENTRY: Formula: (= (ite (<= 1 (mod v_main_~B~0_10 4294967296)) 1 0) |v_assume_abort_if_not_#in~condInParam_1|) InVars {main_~B~0=v_main_~B~0_10} OutVars{assume_abort_if_not_#in~cond=|v_assume_abort_if_not_#in~condInParam_1|} AuxVars[] AssignedVars[main_~B~0, assume_abort_if_not_#in~cond] {2975#true} is VALID [2022-04-15 03:23:44,581 INFO L290 TraceCheckUtils]: 7: Hoare triple {2975#true} [107] assume_abort_if_notENTRY-->L12: Formula: (= |v_assume_abort_if_not_#in~cond_1| v_assume_abort_if_not_~cond_1) InVars {assume_abort_if_not_#in~cond=|v_assume_abort_if_not_#in~cond_1|} OutVars{assume_abort_if_not_#in~cond=|v_assume_abort_if_not_#in~cond_1|, assume_abort_if_not_~cond=v_assume_abort_if_not_~cond_1} AuxVars[] AssignedVars[assume_abort_if_not_~cond] {3001#(= assume_abort_if_not_~cond |assume_abort_if_not_#in~cond|)} is VALID [2022-04-15 03:23:44,581 INFO L290 TraceCheckUtils]: 8: Hoare triple {3001#(= assume_abort_if_not_~cond |assume_abort_if_not_#in~cond|)} [111] L12-->L12-2: Formula: (not (= v_assume_abort_if_not_~cond_3 0)) InVars {assume_abort_if_not_~cond=v_assume_abort_if_not_~cond_3} OutVars{assume_abort_if_not_~cond=v_assume_abort_if_not_~cond_3} AuxVars[] AssignedVars[] {3005#(not (= |assume_abort_if_not_#in~cond| 0))} is VALID [2022-04-15 03:23:44,582 INFO L290 TraceCheckUtils]: 9: Hoare triple {3005#(not (= |assume_abort_if_not_#in~cond| 0))} [116] L12-2-->assume_abort_if_notEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {3005#(not (= |assume_abort_if_not_#in~cond| 0))} is VALID [2022-04-15 03:23:44,582 INFO L284 TraceCheckUtils]: 10: Hoare quadruple {3005#(not (= |assume_abort_if_not_#in~cond| 0))} {2975#true} [141] assume_abort_if_notEXIT-->L28-1: AOR: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] LVA: Formula: (= (ite (<= 1 (mod v_main_~B~0_10 4294967296)) 1 0) |v_assume_abort_if_not_#in~condInParam_1|) InVars {main_~B~0=v_main_~B~0_10} OutVars{assume_abort_if_not_#in~cond=|v_assume_abort_if_not_#in~condInParam_1|} AuxVars[] AssignedVars[main_~B~0, assume_abort_if_not_#in~cond] {3012#(<= 1 (mod main_~B~0 4294967296))} is VALID [2022-04-15 03:23:44,583 INFO L290 TraceCheckUtils]: 11: Hoare triple {3012#(<= 1 (mod main_~B~0 4294967296))} [106] L28-1-->L35-3: Formula: (and (= v_main_~B~0_5 v_main_~d~0_2) (= v_main_~A~0_4 v_main_~r~0_2) (= v_main_~q~0_2 0) (= v_main_~p~0_2 1)) InVars {main_~A~0=v_main_~A~0_4, main_~B~0=v_main_~B~0_5} OutVars{main_~q~0=v_main_~q~0_2, main_~d~0=v_main_~d~0_2, main_~B~0=v_main_~B~0_5, main_~A~0=v_main_~A~0_4, main_~p~0=v_main_~p~0_2, main_~r~0=v_main_~r~0_2} AuxVars[] AssignedVars[main_~q~0, main_~d~0, main_~p~0, main_~r~0] {3016#(and (<= 1 (mod main_~B~0 4294967296)) (= main_~B~0 main_~d~0) (= main_~p~0 1))} is VALID [2022-04-15 03:23:44,583 INFO L290 TraceCheckUtils]: 12: Hoare triple {3016#(and (<= 1 (mod main_~B~0 4294967296)) (= main_~B~0 main_~d~0) (= main_~p~0 1))} [109] L35-3-->L35-1: Formula: (and (= |v_main_#t~post6_1| v_~counter~0_2) (= v_~counter~0_1 (+ |v_main_#t~post6_1| 1))) InVars {~counter~0=v_~counter~0_2} OutVars{~counter~0=v_~counter~0_1, main_#t~post6=|v_main_#t~post6_1|} AuxVars[] AssignedVars[~counter~0, main_#t~post6] {3016#(and (<= 1 (mod main_~B~0 4294967296)) (= main_~B~0 main_~d~0) (= main_~p~0 1))} is VALID [2022-04-15 03:23:44,584 INFO L290 TraceCheckUtils]: 13: Hoare triple {3016#(and (<= 1 (mod main_~B~0 4294967296)) (= main_~B~0 main_~d~0) (= main_~p~0 1))} [115] L35-1-->L36: Formula: (< |v_main_#t~post6_5| 2) InVars {main_#t~post6=|v_main_#t~post6_5|} OutVars{} AuxVars[] AssignedVars[main_#t~post6] {3016#(and (<= 1 (mod main_~B~0 4294967296)) (= main_~B~0 main_~d~0) (= main_~p~0 1))} is VALID [2022-04-15 03:23:44,584 INFO L272 TraceCheckUtils]: 14: Hoare triple {3016#(and (<= 1 (mod main_~B~0 4294967296)) (= main_~B~0 main_~d~0) (= main_~p~0 1))} [120] L36-->__VERIFIER_assertENTRY: Formula: (= (ite (= (mod v_main_~q~0_8 4294967296) 0) 1 0) |v___VERIFIER_assert_#in~condInParam_1|) InVars {main_~q~0=v_main_~q~0_8} OutVars{__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~condInParam_1|} AuxVars[] AssignedVars[main_~q~0, __VERIFIER_assert_#in~cond] {2975#true} is VALID [2022-04-15 03:23:44,584 INFO L290 TraceCheckUtils]: 15: Hoare triple {2975#true} [122] __VERIFIER_assertENTRY-->L15: Formula: (= v___VERIFIER_assert_~cond_1 |v___VERIFIER_assert_#in~cond_1|) InVars {__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~cond_1|} OutVars{__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~cond_1|, __VERIFIER_assert_~cond=v___VERIFIER_assert_~cond_1} AuxVars[] AssignedVars[__VERIFIER_assert_~cond] {2975#true} is VALID [2022-04-15 03:23:44,584 INFO L290 TraceCheckUtils]: 16: Hoare triple {2975#true} [127] L15-->L15-2: Formula: (not (= v___VERIFIER_assert_~cond_3 0)) InVars {__VERIFIER_assert_~cond=v___VERIFIER_assert_~cond_3} OutVars{__VERIFIER_assert_~cond=v___VERIFIER_assert_~cond_3} AuxVars[] AssignedVars[] {2975#true} is VALID [2022-04-15 03:23:44,584 INFO L290 TraceCheckUtils]: 17: Hoare triple {2975#true} [133] L15-2-->__VERIFIER_assertEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {2975#true} is VALID [2022-04-15 03:23:44,586 INFO L284 TraceCheckUtils]: 18: Hoare quadruple {2975#true} {3016#(and (<= 1 (mod main_~B~0 4294967296)) (= main_~B~0 main_~d~0) (= main_~p~0 1))} [143] __VERIFIER_assertEXIT-->L36-1: AOR: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] LVA: Formula: (= (ite (= (mod v_main_~q~0_8 4294967296) 0) 1 0) |v___VERIFIER_assert_#in~condInParam_1|) InVars {main_~q~0=v_main_~q~0_8} OutVars{__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~condInParam_1|} AuxVars[] AssignedVars[main_~q~0, __VERIFIER_assert_#in~cond] {3016#(and (<= 1 (mod main_~B~0 4294967296)) (= main_~B~0 main_~d~0) (= main_~p~0 1))} is VALID [2022-04-15 03:23:44,586 INFO L272 TraceCheckUtils]: 19: Hoare triple {3016#(and (<= 1 (mod main_~B~0 4294967296)) (= main_~B~0 main_~d~0) (= main_~p~0 1))} [124] L36-1-->__VERIFIER_assertENTRY: Formula: (= (ite (= (mod v_main_~A~0_8 4294967296) (mod v_main_~r~0_11 4294967296)) 1 0) |v___VERIFIER_assert_#in~condInParam_2|) InVars {main_~A~0=v_main_~A~0_8, main_~r~0=v_main_~r~0_11} OutVars{__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~condInParam_2|} AuxVars[] AssignedVars[__VERIFIER_assert_#in~cond, main_~A~0, main_~r~0] {2975#true} is VALID [2022-04-15 03:23:44,586 INFO L290 TraceCheckUtils]: 20: Hoare triple {2975#true} [122] __VERIFIER_assertENTRY-->L15: Formula: (= v___VERIFIER_assert_~cond_1 |v___VERIFIER_assert_#in~cond_1|) InVars {__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~cond_1|} OutVars{__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~cond_1|, __VERIFIER_assert_~cond=v___VERIFIER_assert_~cond_1} AuxVars[] AssignedVars[__VERIFIER_assert_~cond] {2975#true} is VALID [2022-04-15 03:23:44,586 INFO L290 TraceCheckUtils]: 21: Hoare triple {2975#true} [127] L15-->L15-2: Formula: (not (= v___VERIFIER_assert_~cond_3 0)) InVars {__VERIFIER_assert_~cond=v___VERIFIER_assert_~cond_3} OutVars{__VERIFIER_assert_~cond=v___VERIFIER_assert_~cond_3} AuxVars[] AssignedVars[] {2975#true} is VALID [2022-04-15 03:23:44,586 INFO L290 TraceCheckUtils]: 22: Hoare triple {2975#true} [133] L15-2-->__VERIFIER_assertEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {2975#true} is VALID [2022-04-15 03:23:44,587 INFO L284 TraceCheckUtils]: 23: Hoare quadruple {2975#true} {3016#(and (<= 1 (mod main_~B~0 4294967296)) (= main_~B~0 main_~d~0) (= main_~p~0 1))} [144] __VERIFIER_assertEXIT-->L37: AOR: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] LVA: Formula: (= (ite (= (mod v_main_~A~0_8 4294967296) (mod v_main_~r~0_11 4294967296)) 1 0) |v___VERIFIER_assert_#in~condInParam_2|) InVars {main_~A~0=v_main_~A~0_8, main_~r~0=v_main_~r~0_11} OutVars{__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~condInParam_2|} AuxVars[] AssignedVars[__VERIFIER_assert_#in~cond, main_~A~0, main_~r~0] {3016#(and (<= 1 (mod main_~B~0 4294967296)) (= main_~B~0 main_~d~0) (= main_~p~0 1))} is VALID [2022-04-15 03:23:44,587 INFO L272 TraceCheckUtils]: 24: Hoare triple {3016#(and (<= 1 (mod main_~B~0 4294967296)) (= main_~B~0 main_~d~0) (= main_~p~0 1))} [129] L37-->__VERIFIER_assertENTRY: Formula: (= |v___VERIFIER_assert_#in~condInParam_3| (ite (= (mod v_main_~d~0_14 4294967296) (mod (* v_main_~p~0_11 v_main_~B~0_11) 4294967296)) 1 0)) InVars {main_~d~0=v_main_~d~0_14, main_~B~0=v_main_~B~0_11, main_~p~0=v_main_~p~0_11} OutVars{__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~condInParam_3|} AuxVars[] AssignedVars[__VERIFIER_assert_#in~cond, main_~d~0, main_~B~0, main_~p~0] {2975#true} is VALID [2022-04-15 03:23:44,587 INFO L290 TraceCheckUtils]: 25: Hoare triple {2975#true} [122] __VERIFIER_assertENTRY-->L15: Formula: (= v___VERIFIER_assert_~cond_1 |v___VERIFIER_assert_#in~cond_1|) InVars {__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~cond_1|} OutVars{__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~cond_1|, __VERIFIER_assert_~cond=v___VERIFIER_assert_~cond_1} AuxVars[] AssignedVars[__VERIFIER_assert_~cond] {2975#true} is VALID [2022-04-15 03:23:44,587 INFO L290 TraceCheckUtils]: 26: Hoare triple {2975#true} [127] L15-->L15-2: Formula: (not (= v___VERIFIER_assert_~cond_3 0)) InVars {__VERIFIER_assert_~cond=v___VERIFIER_assert_~cond_3} OutVars{__VERIFIER_assert_~cond=v___VERIFIER_assert_~cond_3} AuxVars[] AssignedVars[] {2975#true} is VALID [2022-04-15 03:23:44,587 INFO L290 TraceCheckUtils]: 27: Hoare triple {2975#true} [133] L15-2-->__VERIFIER_assertEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {2975#true} is VALID [2022-04-15 03:23:44,590 INFO L284 TraceCheckUtils]: 28: Hoare quadruple {2975#true} {3016#(and (<= 1 (mod main_~B~0 4294967296)) (= main_~B~0 main_~d~0) (= main_~p~0 1))} [145] __VERIFIER_assertEXIT-->L38: AOR: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] LVA: Formula: (= |v___VERIFIER_assert_#in~condInParam_3| (ite (= (mod v_main_~d~0_14 4294967296) (mod (* v_main_~p~0_11 v_main_~B~0_11) 4294967296)) 1 0)) InVars {main_~d~0=v_main_~d~0_14, main_~B~0=v_main_~B~0_11, main_~p~0=v_main_~p~0_11} OutVars{__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~condInParam_3|} AuxVars[] AssignedVars[__VERIFIER_assert_#in~cond, main_~d~0, main_~B~0, main_~p~0] {3016#(and (<= 1 (mod main_~B~0 4294967296)) (= main_~B~0 main_~d~0) (= main_~p~0 1))} is VALID [2022-04-15 03:23:44,590 INFO L290 TraceCheckUtils]: 29: Hoare triple {3016#(and (<= 1 (mod main_~B~0 4294967296)) (= main_~B~0 main_~d~0) (= main_~p~0 1))} [137] L38-->L35-3: Formula: (and (<= (mod v_main_~d~0_6 4294967296) (mod v_main_~r~0_5 4294967296)) (= v_main_~d~0_5 (* v_main_~d~0_6 2)) (= v_main_~p~0_4 (* v_main_~p~0_5 2))) InVars {main_~d~0=v_main_~d~0_6, main_~p~0=v_main_~p~0_5, main_~r~0=v_main_~r~0_5} OutVars{main_~d~0=v_main_~d~0_5, main_~p~0=v_main_~p~0_4, main_~r~0=v_main_~r~0_5} AuxVars[] AssignedVars[main_~d~0, main_~p~0] {3071#(and (= (* main_~B~0 2) main_~d~0) (= main_~p~0 2) (<= 1 (mod main_~B~0 4294967296)))} is VALID [2022-04-15 03:23:44,590 INFO L290 TraceCheckUtils]: 30: Hoare triple {3071#(and (= (* main_~B~0 2) main_~d~0) (= main_~p~0 2) (<= 1 (mod main_~B~0 4294967296)))} [109] L35-3-->L35-1: Formula: (and (= |v_main_#t~post6_1| v_~counter~0_2) (= v_~counter~0_1 (+ |v_main_#t~post6_1| 1))) InVars {~counter~0=v_~counter~0_2} OutVars{~counter~0=v_~counter~0_1, main_#t~post6=|v_main_#t~post6_1|} AuxVars[] AssignedVars[~counter~0, main_#t~post6] {3071#(and (= (* main_~B~0 2) main_~d~0) (= main_~p~0 2) (<= 1 (mod main_~B~0 4294967296)))} is VALID [2022-04-15 03:23:44,591 INFO L290 TraceCheckUtils]: 31: Hoare triple {3071#(and (= (* main_~B~0 2) main_~d~0) (= main_~p~0 2) (<= 1 (mod main_~B~0 4294967296)))} [115] L35-1-->L36: Formula: (< |v_main_#t~post6_5| 2) InVars {main_#t~post6=|v_main_#t~post6_5|} OutVars{} AuxVars[] AssignedVars[main_#t~post6] {3071#(and (= (* main_~B~0 2) main_~d~0) (= main_~p~0 2) (<= 1 (mod main_~B~0 4294967296)))} is VALID [2022-04-15 03:23:44,591 INFO L272 TraceCheckUtils]: 32: Hoare triple {3071#(and (= (* main_~B~0 2) main_~d~0) (= main_~p~0 2) (<= 1 (mod main_~B~0 4294967296)))} [120] L36-->__VERIFIER_assertENTRY: Formula: (= (ite (= (mod v_main_~q~0_8 4294967296) 0) 1 0) |v___VERIFIER_assert_#in~condInParam_1|) InVars {main_~q~0=v_main_~q~0_8} OutVars{__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~condInParam_1|} AuxVars[] AssignedVars[main_~q~0, __VERIFIER_assert_#in~cond] {2975#true} is VALID [2022-04-15 03:23:44,591 INFO L290 TraceCheckUtils]: 33: Hoare triple {2975#true} [122] __VERIFIER_assertENTRY-->L15: Formula: (= v___VERIFIER_assert_~cond_1 |v___VERIFIER_assert_#in~cond_1|) InVars {__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~cond_1|} OutVars{__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~cond_1|, __VERIFIER_assert_~cond=v___VERIFIER_assert_~cond_1} AuxVars[] AssignedVars[__VERIFIER_assert_~cond] {2975#true} is VALID [2022-04-15 03:23:44,591 INFO L290 TraceCheckUtils]: 34: Hoare triple {2975#true} [127] L15-->L15-2: Formula: (not (= v___VERIFIER_assert_~cond_3 0)) InVars {__VERIFIER_assert_~cond=v___VERIFIER_assert_~cond_3} OutVars{__VERIFIER_assert_~cond=v___VERIFIER_assert_~cond_3} AuxVars[] AssignedVars[] {2975#true} is VALID [2022-04-15 03:23:44,591 INFO L290 TraceCheckUtils]: 35: Hoare triple {2975#true} [133] L15-2-->__VERIFIER_assertEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {2975#true} is VALID [2022-04-15 03:23:44,592 INFO L284 TraceCheckUtils]: 36: Hoare quadruple {2975#true} {3071#(and (= (* main_~B~0 2) main_~d~0) (= main_~p~0 2) (<= 1 (mod main_~B~0 4294967296)))} [143] __VERIFIER_assertEXIT-->L36-1: AOR: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] LVA: Formula: (= (ite (= (mod v_main_~q~0_8 4294967296) 0) 1 0) |v___VERIFIER_assert_#in~condInParam_1|) InVars {main_~q~0=v_main_~q~0_8} OutVars{__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~condInParam_1|} AuxVars[] AssignedVars[main_~q~0, __VERIFIER_assert_#in~cond] {3071#(and (= (* main_~B~0 2) main_~d~0) (= main_~p~0 2) (<= 1 (mod main_~B~0 4294967296)))} is VALID [2022-04-15 03:23:44,592 INFO L272 TraceCheckUtils]: 37: Hoare triple {3071#(and (= (* main_~B~0 2) main_~d~0) (= main_~p~0 2) (<= 1 (mod main_~B~0 4294967296)))} [124] L36-1-->__VERIFIER_assertENTRY: Formula: (= (ite (= (mod v_main_~A~0_8 4294967296) (mod v_main_~r~0_11 4294967296)) 1 0) |v___VERIFIER_assert_#in~condInParam_2|) InVars {main_~A~0=v_main_~A~0_8, main_~r~0=v_main_~r~0_11} OutVars{__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~condInParam_2|} AuxVars[] AssignedVars[__VERIFIER_assert_#in~cond, main_~A~0, main_~r~0] {2975#true} is VALID [2022-04-15 03:23:44,592 INFO L290 TraceCheckUtils]: 38: Hoare triple {2975#true} [122] __VERIFIER_assertENTRY-->L15: Formula: (= v___VERIFIER_assert_~cond_1 |v___VERIFIER_assert_#in~cond_1|) InVars {__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~cond_1|} OutVars{__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~cond_1|, __VERIFIER_assert_~cond=v___VERIFIER_assert_~cond_1} AuxVars[] AssignedVars[__VERIFIER_assert_~cond] {2975#true} is VALID [2022-04-15 03:23:44,592 INFO L290 TraceCheckUtils]: 39: Hoare triple {2975#true} [127] L15-->L15-2: Formula: (not (= v___VERIFIER_assert_~cond_3 0)) InVars {__VERIFIER_assert_~cond=v___VERIFIER_assert_~cond_3} OutVars{__VERIFIER_assert_~cond=v___VERIFIER_assert_~cond_3} AuxVars[] AssignedVars[] {2975#true} is VALID [2022-04-15 03:23:44,592 INFO L290 TraceCheckUtils]: 40: Hoare triple {2975#true} [133] L15-2-->__VERIFIER_assertEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {2975#true} is VALID [2022-04-15 03:23:44,593 INFO L284 TraceCheckUtils]: 41: Hoare quadruple {2975#true} {3071#(and (= (* main_~B~0 2) main_~d~0) (= main_~p~0 2) (<= 1 (mod main_~B~0 4294967296)))} [144] __VERIFIER_assertEXIT-->L37: AOR: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] LVA: Formula: (= (ite (= (mod v_main_~A~0_8 4294967296) (mod v_main_~r~0_11 4294967296)) 1 0) |v___VERIFIER_assert_#in~condInParam_2|) InVars {main_~A~0=v_main_~A~0_8, main_~r~0=v_main_~r~0_11} OutVars{__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~condInParam_2|} AuxVars[] AssignedVars[__VERIFIER_assert_#in~cond, main_~A~0, main_~r~0] {3071#(and (= (* main_~B~0 2) main_~d~0) (= main_~p~0 2) (<= 1 (mod main_~B~0 4294967296)))} is VALID [2022-04-15 03:23:44,600 INFO L272 TraceCheckUtils]: 42: Hoare triple {3071#(and (= (* main_~B~0 2) main_~d~0) (= main_~p~0 2) (<= 1 (mod main_~B~0 4294967296)))} [129] L37-->__VERIFIER_assertENTRY: Formula: (= |v___VERIFIER_assert_#in~condInParam_3| (ite (= (mod v_main_~d~0_14 4294967296) (mod (* v_main_~p~0_11 v_main_~B~0_11) 4294967296)) 1 0)) InVars {main_~d~0=v_main_~d~0_14, main_~B~0=v_main_~B~0_11, main_~p~0=v_main_~p~0_11} OutVars{__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~condInParam_3|} AuxVars[] AssignedVars[__VERIFIER_assert_#in~cond, main_~d~0, main_~B~0, main_~p~0] {3111#(<= 1 |__VERIFIER_assert_#in~cond|)} is VALID [2022-04-15 03:23:44,600 INFO L290 TraceCheckUtils]: 43: Hoare triple {3111#(<= 1 |__VERIFIER_assert_#in~cond|)} [122] __VERIFIER_assertENTRY-->L15: Formula: (= v___VERIFIER_assert_~cond_1 |v___VERIFIER_assert_#in~cond_1|) InVars {__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~cond_1|} OutVars{__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~cond_1|, __VERIFIER_assert_~cond=v___VERIFIER_assert_~cond_1} AuxVars[] AssignedVars[__VERIFIER_assert_~cond] {3115#(<= 1 __VERIFIER_assert_~cond)} is VALID [2022-04-15 03:23:44,601 INFO L290 TraceCheckUtils]: 44: Hoare triple {3115#(<= 1 __VERIFIER_assert_~cond)} [126] L15-->L16: Formula: (= v___VERIFIER_assert_~cond_2 0) InVars {__VERIFIER_assert_~cond=v___VERIFIER_assert_~cond_2} OutVars{__VERIFIER_assert_~cond=v___VERIFIER_assert_~cond_2} AuxVars[] AssignedVars[] {2976#false} is VALID [2022-04-15 03:23:44,601 INFO L290 TraceCheckUtils]: 45: Hoare triple {2976#false} [131] L16-->__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {2976#false} is VALID [2022-04-15 03:23:44,601 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 10 proven. 5 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2022-04-15 03:23:44,601 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-04-15 03:23:45,117 INFO L290 TraceCheckUtils]: 45: Hoare triple {2976#false} [131] L16-->__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {2976#false} is VALID [2022-04-15 03:23:45,118 INFO L290 TraceCheckUtils]: 44: Hoare triple {3115#(<= 1 __VERIFIER_assert_~cond)} [126] L15-->L16: Formula: (= v___VERIFIER_assert_~cond_2 0) InVars {__VERIFIER_assert_~cond=v___VERIFIER_assert_~cond_2} OutVars{__VERIFIER_assert_~cond=v___VERIFIER_assert_~cond_2} AuxVars[] AssignedVars[] {2976#false} is VALID [2022-04-15 03:23:45,118 INFO L290 TraceCheckUtils]: 43: Hoare triple {3111#(<= 1 |__VERIFIER_assert_#in~cond|)} [122] __VERIFIER_assertENTRY-->L15: Formula: (= v___VERIFIER_assert_~cond_1 |v___VERIFIER_assert_#in~cond_1|) InVars {__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~cond_1|} OutVars{__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~cond_1|, __VERIFIER_assert_~cond=v___VERIFIER_assert_~cond_1} AuxVars[] AssignedVars[__VERIFIER_assert_~cond] {3115#(<= 1 __VERIFIER_assert_~cond)} is VALID [2022-04-15 03:23:45,119 INFO L272 TraceCheckUtils]: 42: Hoare triple {3131#(= (mod main_~d~0 4294967296) (mod (* main_~B~0 main_~p~0) 4294967296))} [129] L37-->__VERIFIER_assertENTRY: Formula: (= |v___VERIFIER_assert_#in~condInParam_3| (ite (= (mod v_main_~d~0_14 4294967296) (mod (* v_main_~p~0_11 v_main_~B~0_11) 4294967296)) 1 0)) InVars {main_~d~0=v_main_~d~0_14, main_~B~0=v_main_~B~0_11, main_~p~0=v_main_~p~0_11} OutVars{__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~condInParam_3|} AuxVars[] AssignedVars[__VERIFIER_assert_#in~cond, main_~d~0, main_~B~0, main_~p~0] {3111#(<= 1 |__VERIFIER_assert_#in~cond|)} is VALID [2022-04-15 03:23:45,120 INFO L284 TraceCheckUtils]: 41: Hoare quadruple {2975#true} {3131#(= (mod main_~d~0 4294967296) (mod (* main_~B~0 main_~p~0) 4294967296))} [144] __VERIFIER_assertEXIT-->L37: AOR: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] LVA: Formula: (= (ite (= (mod v_main_~A~0_8 4294967296) (mod v_main_~r~0_11 4294967296)) 1 0) |v___VERIFIER_assert_#in~condInParam_2|) InVars {main_~A~0=v_main_~A~0_8, main_~r~0=v_main_~r~0_11} OutVars{__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~condInParam_2|} AuxVars[] AssignedVars[__VERIFIER_assert_#in~cond, main_~A~0, main_~r~0] {3131#(= (mod main_~d~0 4294967296) (mod (* main_~B~0 main_~p~0) 4294967296))} is VALID [2022-04-15 03:23:45,120 INFO L290 TraceCheckUtils]: 40: Hoare triple {2975#true} [133] L15-2-->__VERIFIER_assertEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {2975#true} is VALID [2022-04-15 03:23:45,120 INFO L290 TraceCheckUtils]: 39: Hoare triple {2975#true} [127] L15-->L15-2: Formula: (not (= v___VERIFIER_assert_~cond_3 0)) InVars {__VERIFIER_assert_~cond=v___VERIFIER_assert_~cond_3} OutVars{__VERIFIER_assert_~cond=v___VERIFIER_assert_~cond_3} AuxVars[] AssignedVars[] {2975#true} is VALID [2022-04-15 03:23:45,120 INFO L290 TraceCheckUtils]: 38: Hoare triple {2975#true} [122] __VERIFIER_assertENTRY-->L15: Formula: (= v___VERIFIER_assert_~cond_1 |v___VERIFIER_assert_#in~cond_1|) InVars {__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~cond_1|} OutVars{__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~cond_1|, __VERIFIER_assert_~cond=v___VERIFIER_assert_~cond_1} AuxVars[] AssignedVars[__VERIFIER_assert_~cond] {2975#true} is VALID [2022-04-15 03:23:45,120 INFO L272 TraceCheckUtils]: 37: Hoare triple {3131#(= (mod main_~d~0 4294967296) (mod (* main_~B~0 main_~p~0) 4294967296))} [124] L36-1-->__VERIFIER_assertENTRY: Formula: (= (ite (= (mod v_main_~A~0_8 4294967296) (mod v_main_~r~0_11 4294967296)) 1 0) |v___VERIFIER_assert_#in~condInParam_2|) InVars {main_~A~0=v_main_~A~0_8, main_~r~0=v_main_~r~0_11} OutVars{__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~condInParam_2|} AuxVars[] AssignedVars[__VERIFIER_assert_#in~cond, main_~A~0, main_~r~0] {2975#true} is VALID [2022-04-15 03:23:45,122 INFO L284 TraceCheckUtils]: 36: Hoare quadruple {2975#true} {3131#(= (mod main_~d~0 4294967296) (mod (* main_~B~0 main_~p~0) 4294967296))} [143] __VERIFIER_assertEXIT-->L36-1: AOR: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] LVA: Formula: (= (ite (= (mod v_main_~q~0_8 4294967296) 0) 1 0) |v___VERIFIER_assert_#in~condInParam_1|) InVars {main_~q~0=v_main_~q~0_8} OutVars{__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~condInParam_1|} AuxVars[] AssignedVars[main_~q~0, __VERIFIER_assert_#in~cond] {3131#(= (mod main_~d~0 4294967296) (mod (* main_~B~0 main_~p~0) 4294967296))} is VALID [2022-04-15 03:23:45,122 INFO L290 TraceCheckUtils]: 35: Hoare triple {2975#true} [133] L15-2-->__VERIFIER_assertEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {2975#true} is VALID [2022-04-15 03:23:45,122 INFO L290 TraceCheckUtils]: 34: Hoare triple {2975#true} [127] L15-->L15-2: Formula: (not (= v___VERIFIER_assert_~cond_3 0)) InVars {__VERIFIER_assert_~cond=v___VERIFIER_assert_~cond_3} OutVars{__VERIFIER_assert_~cond=v___VERIFIER_assert_~cond_3} AuxVars[] AssignedVars[] {2975#true} is VALID [2022-04-15 03:23:45,122 INFO L290 TraceCheckUtils]: 33: Hoare triple {2975#true} [122] __VERIFIER_assertENTRY-->L15: Formula: (= v___VERIFIER_assert_~cond_1 |v___VERIFIER_assert_#in~cond_1|) InVars {__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~cond_1|} OutVars{__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~cond_1|, __VERIFIER_assert_~cond=v___VERIFIER_assert_~cond_1} AuxVars[] AssignedVars[__VERIFIER_assert_~cond] {2975#true} is VALID [2022-04-15 03:23:45,122 INFO L272 TraceCheckUtils]: 32: Hoare triple {3131#(= (mod main_~d~0 4294967296) (mod (* main_~B~0 main_~p~0) 4294967296))} [120] L36-->__VERIFIER_assertENTRY: Formula: (= (ite (= (mod v_main_~q~0_8 4294967296) 0) 1 0) |v___VERIFIER_assert_#in~condInParam_1|) InVars {main_~q~0=v_main_~q~0_8} OutVars{__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~condInParam_1|} AuxVars[] AssignedVars[main_~q~0, __VERIFIER_assert_#in~cond] {2975#true} is VALID [2022-04-15 03:23:45,123 INFO L290 TraceCheckUtils]: 31: Hoare triple {3131#(= (mod main_~d~0 4294967296) (mod (* main_~B~0 main_~p~0) 4294967296))} [115] L35-1-->L36: Formula: (< |v_main_#t~post6_5| 2) InVars {main_#t~post6=|v_main_#t~post6_5|} OutVars{} AuxVars[] AssignedVars[main_#t~post6] {3131#(= (mod main_~d~0 4294967296) (mod (* main_~B~0 main_~p~0) 4294967296))} is VALID [2022-04-15 03:23:45,123 INFO L290 TraceCheckUtils]: 30: Hoare triple {3131#(= (mod main_~d~0 4294967296) (mod (* main_~B~0 main_~p~0) 4294967296))} [109] L35-3-->L35-1: Formula: (and (= |v_main_#t~post6_1| v_~counter~0_2) (= v_~counter~0_1 (+ |v_main_#t~post6_1| 1))) InVars {~counter~0=v_~counter~0_2} OutVars{~counter~0=v_~counter~0_1, main_#t~post6=|v_main_#t~post6_1|} AuxVars[] AssignedVars[~counter~0, main_#t~post6] {3131#(= (mod main_~d~0 4294967296) (mod (* main_~B~0 main_~p~0) 4294967296))} is VALID [2022-04-15 03:23:47,130 WARN L290 TraceCheckUtils]: 29: Hoare triple {3171#(= (mod (* main_~d~0 2) 4294967296) (mod (* (* main_~p~0 2) main_~B~0) 4294967296))} [137] L38-->L35-3: Formula: (and (<= (mod v_main_~d~0_6 4294967296) (mod v_main_~r~0_5 4294967296)) (= v_main_~d~0_5 (* v_main_~d~0_6 2)) (= v_main_~p~0_4 (* v_main_~p~0_5 2))) InVars {main_~d~0=v_main_~d~0_6, main_~p~0=v_main_~p~0_5, main_~r~0=v_main_~r~0_5} OutVars{main_~d~0=v_main_~d~0_5, main_~p~0=v_main_~p~0_4, main_~r~0=v_main_~r~0_5} AuxVars[] AssignedVars[main_~d~0, main_~p~0] {3131#(= (mod main_~d~0 4294967296) (mod (* main_~B~0 main_~p~0) 4294967296))} is UNKNOWN [2022-04-15 03:23:47,131 INFO L284 TraceCheckUtils]: 28: Hoare quadruple {2975#true} {3171#(= (mod (* main_~d~0 2) 4294967296) (mod (* (* main_~p~0 2) main_~B~0) 4294967296))} [145] __VERIFIER_assertEXIT-->L38: AOR: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] LVA: Formula: (= |v___VERIFIER_assert_#in~condInParam_3| (ite (= (mod v_main_~d~0_14 4294967296) (mod (* v_main_~p~0_11 v_main_~B~0_11) 4294967296)) 1 0)) InVars {main_~d~0=v_main_~d~0_14, main_~B~0=v_main_~B~0_11, main_~p~0=v_main_~p~0_11} OutVars{__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~condInParam_3|} AuxVars[] AssignedVars[__VERIFIER_assert_#in~cond, main_~d~0, main_~B~0, main_~p~0] {3171#(= (mod (* main_~d~0 2) 4294967296) (mod (* (* main_~p~0 2) main_~B~0) 4294967296))} is VALID [2022-04-15 03:23:47,131 INFO L290 TraceCheckUtils]: 27: Hoare triple {2975#true} [133] L15-2-->__VERIFIER_assertEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {2975#true} is VALID [2022-04-15 03:23:47,131 INFO L290 TraceCheckUtils]: 26: Hoare triple {2975#true} [127] L15-->L15-2: Formula: (not (= v___VERIFIER_assert_~cond_3 0)) InVars {__VERIFIER_assert_~cond=v___VERIFIER_assert_~cond_3} OutVars{__VERIFIER_assert_~cond=v___VERIFIER_assert_~cond_3} AuxVars[] AssignedVars[] {2975#true} is VALID [2022-04-15 03:23:47,131 INFO L290 TraceCheckUtils]: 25: Hoare triple {2975#true} [122] __VERIFIER_assertENTRY-->L15: Formula: (= v___VERIFIER_assert_~cond_1 |v___VERIFIER_assert_#in~cond_1|) InVars {__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~cond_1|} OutVars{__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~cond_1|, __VERIFIER_assert_~cond=v___VERIFIER_assert_~cond_1} AuxVars[] AssignedVars[__VERIFIER_assert_~cond] {2975#true} is VALID [2022-04-15 03:23:47,131 INFO L272 TraceCheckUtils]: 24: Hoare triple {3171#(= (mod (* main_~d~0 2) 4294967296) (mod (* (* main_~p~0 2) main_~B~0) 4294967296))} [129] L37-->__VERIFIER_assertENTRY: Formula: (= |v___VERIFIER_assert_#in~condInParam_3| (ite (= (mod v_main_~d~0_14 4294967296) (mod (* v_main_~p~0_11 v_main_~B~0_11) 4294967296)) 1 0)) InVars {main_~d~0=v_main_~d~0_14, main_~B~0=v_main_~B~0_11, main_~p~0=v_main_~p~0_11} OutVars{__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~condInParam_3|} AuxVars[] AssignedVars[__VERIFIER_assert_#in~cond, main_~d~0, main_~B~0, main_~p~0] {2975#true} is VALID [2022-04-15 03:23:47,132 INFO L284 TraceCheckUtils]: 23: Hoare quadruple {2975#true} {3171#(= (mod (* main_~d~0 2) 4294967296) (mod (* (* main_~p~0 2) main_~B~0) 4294967296))} [144] __VERIFIER_assertEXIT-->L37: AOR: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] LVA: Formula: (= (ite (= (mod v_main_~A~0_8 4294967296) (mod v_main_~r~0_11 4294967296)) 1 0) |v___VERIFIER_assert_#in~condInParam_2|) InVars {main_~A~0=v_main_~A~0_8, main_~r~0=v_main_~r~0_11} OutVars{__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~condInParam_2|} AuxVars[] AssignedVars[__VERIFIER_assert_#in~cond, main_~A~0, main_~r~0] {3171#(= (mod (* main_~d~0 2) 4294967296) (mod (* (* main_~p~0 2) main_~B~0) 4294967296))} is VALID [2022-04-15 03:23:47,132 INFO L290 TraceCheckUtils]: 22: Hoare triple {2975#true} [133] L15-2-->__VERIFIER_assertEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {2975#true} is VALID [2022-04-15 03:23:47,132 INFO L290 TraceCheckUtils]: 21: Hoare triple {2975#true} [127] L15-->L15-2: Formula: (not (= v___VERIFIER_assert_~cond_3 0)) InVars {__VERIFIER_assert_~cond=v___VERIFIER_assert_~cond_3} OutVars{__VERIFIER_assert_~cond=v___VERIFIER_assert_~cond_3} AuxVars[] AssignedVars[] {2975#true} is VALID [2022-04-15 03:23:47,132 INFO L290 TraceCheckUtils]: 20: Hoare triple {2975#true} [122] __VERIFIER_assertENTRY-->L15: Formula: (= v___VERIFIER_assert_~cond_1 |v___VERIFIER_assert_#in~cond_1|) InVars {__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~cond_1|} OutVars{__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~cond_1|, __VERIFIER_assert_~cond=v___VERIFIER_assert_~cond_1} AuxVars[] AssignedVars[__VERIFIER_assert_~cond] {2975#true} is VALID [2022-04-15 03:23:47,132 INFO L272 TraceCheckUtils]: 19: Hoare triple {3171#(= (mod (* main_~d~0 2) 4294967296) (mod (* (* main_~p~0 2) main_~B~0) 4294967296))} [124] L36-1-->__VERIFIER_assertENTRY: Formula: (= (ite (= (mod v_main_~A~0_8 4294967296) (mod v_main_~r~0_11 4294967296)) 1 0) |v___VERIFIER_assert_#in~condInParam_2|) InVars {main_~A~0=v_main_~A~0_8, main_~r~0=v_main_~r~0_11} OutVars{__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~condInParam_2|} AuxVars[] AssignedVars[__VERIFIER_assert_#in~cond, main_~A~0, main_~r~0] {2975#true} is VALID [2022-04-15 03:23:47,133 INFO L284 TraceCheckUtils]: 18: Hoare quadruple {2975#true} {3171#(= (mod (* main_~d~0 2) 4294967296) (mod (* (* main_~p~0 2) main_~B~0) 4294967296))} [143] __VERIFIER_assertEXIT-->L36-1: AOR: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] LVA: Formula: (= (ite (= (mod v_main_~q~0_8 4294967296) 0) 1 0) |v___VERIFIER_assert_#in~condInParam_1|) InVars {main_~q~0=v_main_~q~0_8} OutVars{__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~condInParam_1|} AuxVars[] AssignedVars[main_~q~0, __VERIFIER_assert_#in~cond] {3171#(= (mod (* main_~d~0 2) 4294967296) (mod (* (* main_~p~0 2) main_~B~0) 4294967296))} is VALID [2022-04-15 03:23:47,133 INFO L290 TraceCheckUtils]: 17: Hoare triple {2975#true} [133] L15-2-->__VERIFIER_assertEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {2975#true} is VALID [2022-04-15 03:23:47,133 INFO L290 TraceCheckUtils]: 16: Hoare triple {2975#true} [127] L15-->L15-2: Formula: (not (= v___VERIFIER_assert_~cond_3 0)) InVars {__VERIFIER_assert_~cond=v___VERIFIER_assert_~cond_3} OutVars{__VERIFIER_assert_~cond=v___VERIFIER_assert_~cond_3} AuxVars[] AssignedVars[] {2975#true} is VALID [2022-04-15 03:23:47,133 INFO L290 TraceCheckUtils]: 15: Hoare triple {2975#true} [122] __VERIFIER_assertENTRY-->L15: Formula: (= v___VERIFIER_assert_~cond_1 |v___VERIFIER_assert_#in~cond_1|) InVars {__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~cond_1|} OutVars{__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~cond_1|, __VERIFIER_assert_~cond=v___VERIFIER_assert_~cond_1} AuxVars[] AssignedVars[__VERIFIER_assert_~cond] {2975#true} is VALID [2022-04-15 03:23:47,133 INFO L272 TraceCheckUtils]: 14: Hoare triple {3171#(= (mod (* main_~d~0 2) 4294967296) (mod (* (* main_~p~0 2) main_~B~0) 4294967296))} [120] L36-->__VERIFIER_assertENTRY: Formula: (= (ite (= (mod v_main_~q~0_8 4294967296) 0) 1 0) |v___VERIFIER_assert_#in~condInParam_1|) InVars {main_~q~0=v_main_~q~0_8} OutVars{__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~condInParam_1|} AuxVars[] AssignedVars[main_~q~0, __VERIFIER_assert_#in~cond] {2975#true} is VALID [2022-04-15 03:23:47,134 INFO L290 TraceCheckUtils]: 13: Hoare triple {3171#(= (mod (* main_~d~0 2) 4294967296) (mod (* (* main_~p~0 2) main_~B~0) 4294967296))} [115] L35-1-->L36: Formula: (< |v_main_#t~post6_5| 2) InVars {main_#t~post6=|v_main_#t~post6_5|} OutVars{} AuxVars[] AssignedVars[main_#t~post6] {3171#(= (mod (* main_~d~0 2) 4294967296) (mod (* (* main_~p~0 2) main_~B~0) 4294967296))} is VALID [2022-04-15 03:23:47,134 INFO L290 TraceCheckUtils]: 12: Hoare triple {3171#(= (mod (* main_~d~0 2) 4294967296) (mod (* (* main_~p~0 2) main_~B~0) 4294967296))} [109] L35-3-->L35-1: Formula: (and (= |v_main_#t~post6_1| v_~counter~0_2) (= v_~counter~0_1 (+ |v_main_#t~post6_1| 1))) InVars {~counter~0=v_~counter~0_2} OutVars{~counter~0=v_~counter~0_1, main_#t~post6=|v_main_#t~post6_1|} AuxVars[] AssignedVars[~counter~0, main_#t~post6] {3171#(= (mod (* main_~d~0 2) 4294967296) (mod (* (* main_~p~0 2) main_~B~0) 4294967296))} is VALID [2022-04-15 03:23:47,135 INFO L290 TraceCheckUtils]: 11: Hoare triple {2975#true} [106] L28-1-->L35-3: Formula: (and (= v_main_~B~0_5 v_main_~d~0_2) (= v_main_~A~0_4 v_main_~r~0_2) (= v_main_~q~0_2 0) (= v_main_~p~0_2 1)) InVars {main_~A~0=v_main_~A~0_4, main_~B~0=v_main_~B~0_5} OutVars{main_~q~0=v_main_~q~0_2, main_~d~0=v_main_~d~0_2, main_~B~0=v_main_~B~0_5, main_~A~0=v_main_~A~0_4, main_~p~0=v_main_~p~0_2, main_~r~0=v_main_~r~0_2} AuxVars[] AssignedVars[main_~q~0, main_~d~0, main_~p~0, main_~r~0] {3171#(= (mod (* main_~d~0 2) 4294967296) (mod (* (* main_~p~0 2) main_~B~0) 4294967296))} is VALID [2022-04-15 03:23:47,135 INFO L284 TraceCheckUtils]: 10: Hoare quadruple {2975#true} {2975#true} [141] assume_abort_if_notEXIT-->L28-1: AOR: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] LVA: Formula: (= (ite (<= 1 (mod v_main_~B~0_10 4294967296)) 1 0) |v_assume_abort_if_not_#in~condInParam_1|) InVars {main_~B~0=v_main_~B~0_10} OutVars{assume_abort_if_not_#in~cond=|v_assume_abort_if_not_#in~condInParam_1|} AuxVars[] AssignedVars[main_~B~0, assume_abort_if_not_#in~cond] {2975#true} is VALID [2022-04-15 03:23:47,135 INFO L290 TraceCheckUtils]: 9: Hoare triple {2975#true} [116] L12-2-->assume_abort_if_notEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {2975#true} is VALID [2022-04-15 03:23:47,135 INFO L290 TraceCheckUtils]: 8: Hoare triple {2975#true} [111] L12-->L12-2: Formula: (not (= v_assume_abort_if_not_~cond_3 0)) InVars {assume_abort_if_not_~cond=v_assume_abort_if_not_~cond_3} OutVars{assume_abort_if_not_~cond=v_assume_abort_if_not_~cond_3} AuxVars[] AssignedVars[] {2975#true} is VALID [2022-04-15 03:23:47,135 INFO L290 TraceCheckUtils]: 7: Hoare triple {2975#true} [107] assume_abort_if_notENTRY-->L12: Formula: (= |v_assume_abort_if_not_#in~cond_1| v_assume_abort_if_not_~cond_1) InVars {assume_abort_if_not_#in~cond=|v_assume_abort_if_not_#in~cond_1|} OutVars{assume_abort_if_not_#in~cond=|v_assume_abort_if_not_#in~cond_1|, assume_abort_if_not_~cond=v_assume_abort_if_not_~cond_1} AuxVars[] AssignedVars[assume_abort_if_not_~cond] {2975#true} is VALID [2022-04-15 03:23:47,135 INFO L272 TraceCheckUtils]: 6: Hoare triple {2975#true} [105] L28-->assume_abort_if_notENTRY: Formula: (= (ite (<= 1 (mod v_main_~B~0_10 4294967296)) 1 0) |v_assume_abort_if_not_#in~condInParam_1|) InVars {main_~B~0=v_main_~B~0_10} OutVars{assume_abort_if_not_#in~cond=|v_assume_abort_if_not_#in~condInParam_1|} AuxVars[] AssignedVars[main_~B~0, assume_abort_if_not_#in~cond] {2975#true} is VALID [2022-04-15 03:23:47,136 INFO L290 TraceCheckUtils]: 5: Hoare triple {2975#true} [103] mainENTRY-->L28: Formula: (and (= v_main_~A~0_1 |v_main_#t~nondet4_2|) (= v_main_~B~0_1 |v_main_#t~nondet5_2|)) InVars {main_#t~nondet5=|v_main_#t~nondet5_2|, main_#t~nondet4=|v_main_#t~nondet4_2|} OutVars{main_~q~0=v_main_~q~0_1, main_~d~0=v_main_~d~0_1, main_~B~0=v_main_~B~0_1, main_~A~0=v_main_~A~0_1, main_~p~0=v_main_~p~0_1, main_~r~0=v_main_~r~0_1} AuxVars[] AssignedVars[main_#t~nondet5, main_~q~0, main_#t~nondet4, main_~d~0, main_~B~0, main_~A~0, main_~p~0, main_~r~0] {2975#true} is VALID [2022-04-15 03:23:47,136 INFO L272 TraceCheckUtils]: 4: Hoare triple {2975#true} [100] L-1-->mainENTRY: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {2975#true} is VALID [2022-04-15 03:23:47,136 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {2975#true} {2975#true} [140] ULTIMATE.initEXIT-->L-1: AOR: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] LVA: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {2975#true} is VALID [2022-04-15 03:23:47,136 INFO L290 TraceCheckUtils]: 2: Hoare triple {2975#true} [104] ULTIMATE.initFINAL-->ULTIMATE.initEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {2975#true} is VALID [2022-04-15 03:23:47,136 INFO L290 TraceCheckUtils]: 1: Hoare triple {2975#true} [101] ULTIMATE.initENTRY-->ULTIMATE.initFINAL: Formula: (let ((.cse0 (select |v_#memory_int_1| 1))) (and (= 48 (select .cse0 0)) (= (select |v_#valid_1| 2) 1) (= (select |v_#valid_1| 0) 0) (< 0 |v_#StackHeapBarrier_1|) (= |v_#NULL.base_1| 0) (= 1 (select |v_#valid_1| 3)) (= (select |v_#length_1| 2) 9) (= (select |v_#length_1| 3) 12) (= (select |v_#valid_1| 1) 1) (= 2 (select |v_#length_1| 1)) (= (select .cse0 1) 0) (= |v_#NULL.offset_1| 0) (= v_~counter~0_5 0))) InVars {#memory_int=|v_#memory_int_1|, #StackHeapBarrier=|v_#StackHeapBarrier_1|, #length=|v_#length_1|, #valid=|v_#valid_1|} OutVars{~counter~0=v_~counter~0_5, #StackHeapBarrier=|v_#StackHeapBarrier_1|, #valid=|v_#valid_1|, #memory_int=|v_#memory_int_1|, #NULL.offset=|v_#NULL.offset_1|, #length=|v_#length_1|, #NULL.base=|v_#NULL.base_1|} AuxVars[] AssignedVars[~counter~0, #NULL.offset, #NULL.base] {2975#true} is VALID [2022-04-15 03:23:47,136 INFO L272 TraceCheckUtils]: 0: Hoare triple {2975#true} [99] ULTIMATE.startENTRY-->ULTIMATE.initENTRY: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {2975#true} is VALID [2022-04-15 03:23:47,136 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2022-04-15 03:23:47,136 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-15 03:23:47,137 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1959213970] [2022-04-15 03:23:47,137 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-04-15 03:23:47,137 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1387233221] [2022-04-15 03:23:47,137 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1387233221] provided 1 perfect and 1 imperfect interpolant sequences [2022-04-15 03:23:47,137 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-04-15 03:23:47,137 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [9] total 11 [2022-04-15 03:23:47,137 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2016714068] [2022-04-15 03:23:47,137 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-15 03:23:47,137 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 3.0) internal successors, (18), 5 states have internal predecessors, (18), 3 states have call successors, (9), 2 states have call predecessors, (9), 1 states have return successors, (7), 3 states have call predecessors, (7), 3 states have call successors, (7) Word has length 46 [2022-04-15 03:23:47,138 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-04-15 03:23:47,138 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with has 6 states, 6 states have (on average 3.0) internal successors, (18), 5 states have internal predecessors, (18), 3 states have call successors, (9), 2 states have call predecessors, (9), 1 states have return successors, (7), 3 states have call predecessors, (7), 3 states have call successors, (7) [2022-04-15 03:23:49,182 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 34 edges. 33 inductive. 0 not inductive. 1 times theorem prover too weak to decide inductivity. [2022-04-15 03:23:49,182 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-04-15 03:23:49,182 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-15 03:23:49,182 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-04-15 03:23:49,182 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=84, Unknown=0, NotChecked=0, Total=110 [2022-04-15 03:23:49,183 INFO L87 Difference]: Start difference. First operand 80 states and 95 transitions. Second operand has 6 states, 6 states have (on average 3.0) internal successors, (18), 5 states have internal predecessors, (18), 3 states have call successors, (9), 2 states have call predecessors, (9), 1 states have return successors, (7), 3 states have call predecessors, (7), 3 states have call successors, (7) [2022-04-15 03:23:52,015 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2022-04-15 03:23:55,472 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2022-04-15 03:23:57,579 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.11s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2022-04-15 03:24:00,480 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.56s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2022-04-15 03:24:02,658 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2022-04-15 03:24:02,918 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-15 03:24:02,918 INFO L93 Difference]: Finished difference Result 93 states and 112 transitions. [2022-04-15 03:24:02,918 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-04-15 03:24:02,919 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 3.0) internal successors, (18), 5 states have internal predecessors, (18), 3 states have call successors, (9), 2 states have call predecessors, (9), 1 states have return successors, (7), 3 states have call predecessors, (7), 3 states have call successors, (7) Word has length 46 [2022-04-15 03:24:02,919 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-15 03:24:02,919 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6 states, 6 states have (on average 3.0) internal successors, (18), 5 states have internal predecessors, (18), 3 states have call successors, (9), 2 states have call predecessors, (9), 1 states have return successors, (7), 3 states have call predecessors, (7), 3 states have call successors, (7) [2022-04-15 03:24:02,920 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 59 transitions. [2022-04-15 03:24:02,921 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6 states, 6 states have (on average 3.0) internal successors, (18), 5 states have internal predecessors, (18), 3 states have call successors, (9), 2 states have call predecessors, (9), 1 states have return successors, (7), 3 states have call predecessors, (7), 3 states have call successors, (7) [2022-04-15 03:24:02,922 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 59 transitions. [2022-04-15 03:24:02,922 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with 5 states and 59 transitions. [2022-04-15 03:24:04,992 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 59 edges. 58 inductive. 0 not inductive. 1 times theorem prover too weak to decide inductivity. [2022-04-15 03:24:04,998 INFO L225 Difference]: With dead ends: 93 [2022-04-15 03:24:04,998 INFO L226 Difference]: Without dead ends: 91 [2022-04-15 03:24:04,999 INFO L912 BasicCegarLoop]: 0 DeclaredPredicates, 92 GetRequests, 81 SyntacticMatches, 1 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=30, Invalid=102, Unknown=0, NotChecked=0, Total=132 [2022-04-15 03:24:04,999 INFO L913 BasicCegarLoop]: 44 mSDtfsCounter, 17 mSDsluCounter, 92 mSDsCounter, 0 mSdLazyCounter, 50 mSolverCounterSat, 5 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 10.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 21 SdHoareTripleChecker+Valid, 136 SdHoareTripleChecker+Invalid, 59 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 50 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 11.0s IncrementalHoareTripleChecker+Time [2022-04-15 03:24:04,999 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [21 Valid, 136 Invalid, 59 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 50 Invalid, 4 Unknown, 0 Unchecked, 11.0s Time] [2022-04-15 03:24:05,000 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 91 states. [2022-04-15 03:24:05,024 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 91 to 88. [2022-04-15 03:24:05,024 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-04-15 03:24:05,026 INFO L82 GeneralOperation]: Start isEquivalent. First operand 91 states. Second operand has 88 states, 56 states have (on average 1.1964285714285714) internal successors, (67), 59 states have internal predecessors, (67), 20 states have call successors, (20), 12 states have call predecessors, (20), 11 states have return successors, (18), 16 states have call predecessors, (18), 18 states have call successors, (18) [2022-04-15 03:24:05,026 INFO L74 IsIncluded]: Start isIncluded. First operand 91 states. Second operand has 88 states, 56 states have (on average 1.1964285714285714) internal successors, (67), 59 states have internal predecessors, (67), 20 states have call successors, (20), 12 states have call predecessors, (20), 11 states have return successors, (18), 16 states have call predecessors, (18), 18 states have call successors, (18) [2022-04-15 03:24:05,026 INFO L87 Difference]: Start difference. First operand 91 states. Second operand has 88 states, 56 states have (on average 1.1964285714285714) internal successors, (67), 59 states have internal predecessors, (67), 20 states have call successors, (20), 12 states have call predecessors, (20), 11 states have return successors, (18), 16 states have call predecessors, (18), 18 states have call successors, (18) [2022-04-15 03:24:05,033 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-15 03:24:05,033 INFO L93 Difference]: Finished difference Result 91 states and 110 transitions. [2022-04-15 03:24:05,033 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 110 transitions. [2022-04-15 03:24:05,034 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-15 03:24:05,034 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-15 03:24:05,034 INFO L74 IsIncluded]: Start isIncluded. First operand has 88 states, 56 states have (on average 1.1964285714285714) internal successors, (67), 59 states have internal predecessors, (67), 20 states have call successors, (20), 12 states have call predecessors, (20), 11 states have return successors, (18), 16 states have call predecessors, (18), 18 states have call successors, (18) Second operand 91 states. [2022-04-15 03:24:05,034 INFO L87 Difference]: Start difference. First operand has 88 states, 56 states have (on average 1.1964285714285714) internal successors, (67), 59 states have internal predecessors, (67), 20 states have call successors, (20), 12 states have call predecessors, (20), 11 states have return successors, (18), 16 states have call predecessors, (18), 18 states have call successors, (18) Second operand 91 states. [2022-04-15 03:24:05,037 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-15 03:24:05,038 INFO L93 Difference]: Finished difference Result 91 states and 110 transitions. [2022-04-15 03:24:05,038 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 110 transitions. [2022-04-15 03:24:05,038 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-15 03:24:05,038 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-15 03:24:05,038 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-04-15 03:24:05,038 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-04-15 03:24:05,039 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 88 states, 56 states have (on average 1.1964285714285714) internal successors, (67), 59 states have internal predecessors, (67), 20 states have call successors, (20), 12 states have call predecessors, (20), 11 states have return successors, (18), 16 states have call predecessors, (18), 18 states have call successors, (18) [2022-04-15 03:24:05,042 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 88 states and 105 transitions. [2022-04-15 03:24:05,042 INFO L78 Accepts]: Start accepts. Automaton has 88 states and 105 transitions. Word has length 46 [2022-04-15 03:24:05,042 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-15 03:24:05,042 INFO L478 AbstractCegarLoop]: Abstraction has 88 states and 105 transitions. [2022-04-15 03:24:05,042 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 3.0) internal successors, (18), 5 states have internal predecessors, (18), 3 states have call successors, (9), 2 states have call predecessors, (9), 1 states have return successors, (7), 3 states have call predecessors, (7), 3 states have call successors, (7) [2022-04-15 03:24:05,043 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 105 transitions. [2022-04-15 03:24:05,043 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2022-04-15 03:24:05,043 INFO L491 BasicCegarLoop]: Found error trace [2022-04-15 03:24:05,044 INFO L499 BasicCegarLoop]: trace histogram [6, 5, 5, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-04-15 03:24:05,057 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2022-04-15 03:24:05,251 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-04-15 03:24:05,251 INFO L403 AbstractCegarLoop]: === Iteration 10 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-15 03:24:05,252 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-15 03:24:05,252 INFO L85 PathProgramCache]: Analyzing trace with hash 450187565, now seen corresponding path program 1 times [2022-04-15 03:24:05,252 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-15 03:24:05,252 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [150217815] [2022-04-15 03:24:05,252 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-15 03:24:05,252 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-15 03:24:05,264 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-04-15 03:24:05,264 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [182943811] [2022-04-15 03:24:05,264 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-15 03:24:05,264 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-04-15 03:24:05,264 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-04-15 03:24:05,272 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) [2022-04-15 03:24:05,273 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process