./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/nla-digbench-scaling/hard-u_unwindbound50.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 26d01a9c Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/nla-digbench-scaling/hard-u_unwindbound50.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 9692f5b55a240b01d2d0c222255869fb052ffe02a605ab1c8e72ef46a070f8cd --- Real Ultimate output --- This is Ultimate 0.2.2-?-26d01a9 [2023-02-18 02:53:10,974 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-02-18 02:53:10,976 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-02-18 02:53:11,001 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-02-18 02:53:11,001 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-02-18 02:53:11,004 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-02-18 02:53:11,005 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-02-18 02:53:11,008 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-02-18 02:53:11,009 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-02-18 02:53:11,014 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-02-18 02:53:11,015 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-02-18 02:53:11,016 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-02-18 02:53:11,016 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-02-18 02:53:11,017 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-02-18 02:53:11,017 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-02-18 02:53:11,018 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-02-18 02:53:11,018 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-02-18 02:53:11,019 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-02-18 02:53:11,020 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-02-18 02:53:11,021 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-02-18 02:53:11,022 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-02-18 02:53:11,035 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-02-18 02:53:11,036 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-02-18 02:53:11,038 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-02-18 02:53:11,040 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-02-18 02:53:11,041 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-02-18 02:53:11,041 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-02-18 02:53:11,042 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-02-18 02:53:11,042 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-02-18 02:53:11,043 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-02-18 02:53:11,043 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-02-18 02:53:11,044 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-02-18 02:53:11,044 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-02-18 02:53:11,045 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-02-18 02:53:11,045 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-02-18 02:53:11,046 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-02-18 02:53:11,046 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-02-18 02:53:11,046 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-02-18 02:53:11,046 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-02-18 02:53:11,047 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-02-18 02:53:11,047 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-02-18 02:53:11,050 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2023-02-18 02:53:11,063 INFO L113 SettingsManager]: Loading preferences was successful [2023-02-18 02:53:11,067 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-02-18 02:53:11,067 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-02-18 02:53:11,067 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-02-18 02:53:11,068 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-02-18 02:53:11,068 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-02-18 02:53:11,069 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-02-18 02:53:11,069 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-02-18 02:53:11,069 INFO L138 SettingsManager]: * Use SBE=true [2023-02-18 02:53:11,069 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-02-18 02:53:11,070 INFO L138 SettingsManager]: * sizeof long=4 [2023-02-18 02:53:11,070 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-02-18 02:53:11,070 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-02-18 02:53:11,070 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-02-18 02:53:11,071 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-02-18 02:53:11,071 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-02-18 02:53:11,071 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-02-18 02:53:11,071 INFO L138 SettingsManager]: * sizeof long double=12 [2023-02-18 02:53:11,071 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-02-18 02:53:11,071 INFO L138 SettingsManager]: * Use constant arrays=true [2023-02-18 02:53:11,071 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-02-18 02:53:11,072 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-02-18 02:53:11,072 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-02-18 02:53:11,072 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-02-18 02:53:11,072 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-02-18 02:53:11,072 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-02-18 02:53:11,072 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-02-18 02:53:11,072 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-02-18 02:53:11,072 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2023-02-18 02:53:11,073 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-02-18 02:53:11,073 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-02-18 02:53:11,073 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-02-18 02:53:11,073 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-02-18 02:53:11,073 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-02-18 02:53:11,073 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-02-18 02:53:11,074 INFO L138 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 9692f5b55a240b01d2d0c222255869fb052ffe02a605ab1c8e72ef46a070f8cd [2023-02-18 02:53:11,257 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-02-18 02:53:11,283 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-02-18 02:53:11,284 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-02-18 02:53:11,285 INFO L271 PluginConnector]: Initializing CDTParser... [2023-02-18 02:53:11,285 INFO L275 PluginConnector]: CDTParser initialized [2023-02-18 02:53:11,286 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/nla-digbench-scaling/hard-u_unwindbound50.c [2023-02-18 02:53:12,169 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-02-18 02:53:12,374 INFO L351 CDTParser]: Found 1 translation units. [2023-02-18 02:53:12,374 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/nla-digbench-scaling/hard-u_unwindbound50.c [2023-02-18 02:53:12,379 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3000b6af1/6b6bc16ef81e4f16b1f5716892ca6bd3/FLAGd83086ae5 [2023-02-18 02:53:12,392 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3000b6af1/6b6bc16ef81e4f16b1f5716892ca6bd3 [2023-02-18 02:53:12,394 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-02-18 02:53:12,395 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2023-02-18 02:53:12,396 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-02-18 02:53:12,396 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-02-18 02:53:12,398 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-02-18 02:53:12,399 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.02 02:53:12" (1/1) ... [2023-02-18 02:53:12,400 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4585672 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.02 02:53:12, skipping insertion in model container [2023-02-18 02:53:12,401 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.02 02:53:12" (1/1) ... [2023-02-18 02:53:12,405 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-02-18 02:53:12,418 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-02-18 02:53:12,501 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/nla-digbench-scaling/hard-u_unwindbound50.c[537,550] [2023-02-18 02:53:12,513 INFO L210 PostProcessor]: Analyzing one entry point: main [2023-02-18 02:53:12,518 INFO L203 MainTranslator]: Completed pre-run [2023-02-18 02:53:12,525 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/nla-digbench-scaling/hard-u_unwindbound50.c[537,550] [2023-02-18 02:53:12,530 INFO L210 PostProcessor]: Analyzing one entry point: main [2023-02-18 02:53:12,537 INFO L208 MainTranslator]: Completed translation [2023-02-18 02:53:12,538 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.02 02:53:12 WrapperNode [2023-02-18 02:53:12,538 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-02-18 02:53:12,539 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-02-18 02:53:12,539 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-02-18 02:53:12,539 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2023-02-18 02:53:12,543 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.02 02:53:12" (1/1) ... [2023-02-18 02:53:12,547 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.02 02:53:12" (1/1) ... [2023-02-18 02:53:12,557 INFO L138 Inliner]: procedures = 14, calls = 15, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 65 [2023-02-18 02:53:12,558 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-02-18 02:53:12,558 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-02-18 02:53:12,558 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-02-18 02:53:12,558 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-02-18 02:53:12,564 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.02 02:53:12" (1/1) ... [2023-02-18 02:53:12,564 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.02 02:53:12" (1/1) ... [2023-02-18 02:53:12,567 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.02 02:53:12" (1/1) ... [2023-02-18 02:53:12,567 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.02 02:53:12" (1/1) ... [2023-02-18 02:53:12,569 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.02 02:53:12" (1/1) ... [2023-02-18 02:53:12,571 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.02 02:53:12" (1/1) ... [2023-02-18 02:53:12,571 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.02 02:53:12" (1/1) ... [2023-02-18 02:53:12,572 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.02 02:53:12" (1/1) ... [2023-02-18 02:53:12,573 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-02-18 02:53:12,573 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-02-18 02:53:12,574 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-02-18 02:53:12,574 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-02-18 02:53:12,574 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.02 02:53:12" (1/1) ... [2023-02-18 02:53:12,578 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-02-18 02:53:12,584 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-18 02:53:12,592 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) [2023-02-18 02:53:12,599 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 [2023-02-18 02:53:12,622 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-02-18 02:53:12,622 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-02-18 02:53:12,623 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-02-18 02:53:12,623 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-02-18 02:53:12,623 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-02-18 02:53:12,624 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-02-18 02:53:12,671 INFO L235 CfgBuilder]: Building ICFG [2023-02-18 02:53:12,672 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2023-02-18 02:53:12,812 INFO L276 CfgBuilder]: Performing block encoding [2023-02-18 02:53:12,816 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-02-18 02:53:12,816 INFO L300 CfgBuilder]: Removed 2 assume(true) statements. [2023-02-18 02:53:12,817 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.02 02:53:12 BoogieIcfgContainer [2023-02-18 02:53:12,818 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-02-18 02:53:12,819 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-02-18 02:53:12,819 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-02-18 02:53:12,824 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-02-18 02:53:12,824 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.02 02:53:12" (1/3) ... [2023-02-18 02:53:12,825 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@d47f250 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.02 02:53:12, skipping insertion in model container [2023-02-18 02:53:12,825 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.02 02:53:12" (2/3) ... [2023-02-18 02:53:12,825 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@d47f250 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.02 02:53:12, skipping insertion in model container [2023-02-18 02:53:12,825 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.02 02:53:12" (3/3) ... [2023-02-18 02:53:12,826 INFO L112 eAbstractionObserver]: Analyzing ICFG hard-u_unwindbound50.c [2023-02-18 02:53:12,844 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-02-18 02:53:12,845 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-02-18 02:53:12,889 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-02-18 02:53:12,895 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@620930d, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-02-18 02:53:12,895 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-02-18 02:53:12,897 INFO L276 IsEmpty]: Start isEmpty. Operand has 28 states, 18 states have (on average 1.5555555555555556) internal successors, (28), 19 states have internal predecessors, (28), 7 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) [2023-02-18 02:53:12,904 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-02-18 02:53:12,904 INFO L187 NwaCegarLoop]: Found error trace [2023-02-18 02:53:12,905 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-02-18 02:53:12,905 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-02-18 02:53:12,910 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-18 02:53:12,910 INFO L85 PathProgramCache]: Analyzing trace with hash -712527539, now seen corresponding path program 1 times [2023-02-18 02:53:12,915 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-18 02:53:12,916 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1778766228] [2023-02-18 02:53:12,917 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-18 02:53:12,917 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-18 02:53:12,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 02:53:12,987 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-18 02:53:12,992 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1778766228] [2023-02-18 02:53:12,993 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unsupported non-linear arithmetic [2023-02-18 02:53:12,993 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [765052522] [2023-02-18 02:53:12,993 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-18 02:53:12,993 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-02-18 02:53:12,994 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-18 02:53:13,009 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) [2023-02-18 02:53:13,010 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-02-18 02:53:13,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 02:53:13,073 INFO L263 TraceCheckSpWp]: Trace formula consists of 51 conjuncts, 1 conjunts are in the unsatisfiable core [2023-02-18 02:53:13,075 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-02-18 02:53:13,091 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-02-18 02:53:13,092 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-02-18 02:53:13,092 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [765052522] provided 1 perfect and 0 imperfect interpolant sequences [2023-02-18 02:53:13,093 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-02-18 02:53:13,093 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-02-18 02:53:13,095 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [417665761] [2023-02-18 02:53:13,095 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-02-18 02:53:13,098 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-02-18 02:53:13,098 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-18 02:53:13,128 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-02-18 02:53:13,128 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-02-18 02:53:13,130 INFO L87 Difference]: Start difference. First operand has 28 states, 18 states have (on average 1.5555555555555556) internal successors, (28), 19 states have internal predecessors, (28), 7 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) Second operand has 2 states, 2 states have (on average 4.5) internal successors, (9), 2 states have internal predecessors, (9), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-18 02:53:13,149 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-18 02:53:13,150 INFO L93 Difference]: Finished difference Result 53 states and 87 transitions. [2023-02-18 02:53:13,150 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-02-18 02:53:13,151 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 4.5) internal successors, (9), 2 states have internal predecessors, (9), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 10 [2023-02-18 02:53:13,151 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-18 02:53:13,157 INFO L225 Difference]: With dead ends: 53 [2023-02-18 02:53:13,157 INFO L226 Difference]: Without dead ends: 24 [2023-02-18 02:53:13,160 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-02-18 02:53:13,163 INFO L413 NwaCegarLoop]: 38 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 38 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-02-18 02:53:13,165 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 38 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-02-18 02:53:13,175 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24 states. [2023-02-18 02:53:13,190 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24 to 24. [2023-02-18 02:53:13,191 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24 states, 15 states have (on average 1.4) internal successors, (21), 16 states have internal predecessors, (21), 7 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2023-02-18 02:53:13,192 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 24 states and 34 transitions. [2023-02-18 02:53:13,193 INFO L78 Accepts]: Start accepts. Automaton has 24 states and 34 transitions. Word has length 10 [2023-02-18 02:53:13,193 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-18 02:53:13,193 INFO L495 AbstractCegarLoop]: Abstraction has 24 states and 34 transitions. [2023-02-18 02:53:13,194 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 4.5) internal successors, (9), 2 states have internal predecessors, (9), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-18 02:53:13,194 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 34 transitions. [2023-02-18 02:53:13,195 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-02-18 02:53:13,195 INFO L187 NwaCegarLoop]: Found error trace [2023-02-18 02:53:13,196 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-02-18 02:53:13,209 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2023-02-18 02:53:13,411 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2023-02-18 02:53:13,412 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-02-18 02:53:13,412 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-18 02:53:13,413 INFO L85 PathProgramCache]: Analyzing trace with hash -1983932575, now seen corresponding path program 1 times [2023-02-18 02:53:13,413 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-18 02:53:13,413 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1221550917] [2023-02-18 02:53:13,413 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-18 02:53:13,413 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-18 02:53:13,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 02:53:13,596 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-02-18 02:53:13,596 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-18 02:53:13,596 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1221550917] [2023-02-18 02:53:13,596 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1221550917] provided 1 perfect and 0 imperfect interpolant sequences [2023-02-18 02:53:13,597 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-02-18 02:53:13,597 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-02-18 02:53:13,597 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1697352275] [2023-02-18 02:53:13,597 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-02-18 02:53:13,598 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-02-18 02:53:13,598 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-18 02:53:13,598 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-02-18 02:53:13,598 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-02-18 02:53:13,599 INFO L87 Difference]: Start difference. First operand 24 states and 34 transitions. Second operand has 5 states, 5 states have (on average 1.8) internal successors, (9), 4 states have internal predecessors, (9), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-18 02:53:13,671 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-18 02:53:13,672 INFO L93 Difference]: Finished difference Result 38 states and 53 transitions. [2023-02-18 02:53:13,672 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-02-18 02:53:13,672 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 1.8) internal successors, (9), 4 states have internal predecessors, (9), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 10 [2023-02-18 02:53:13,673 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-18 02:53:13,673 INFO L225 Difference]: With dead ends: 38 [2023-02-18 02:53:13,673 INFO L226 Difference]: Without dead ends: 36 [2023-02-18 02:53:13,674 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2023-02-18 02:53:13,674 INFO L413 NwaCegarLoop]: 33 mSDtfsCounter, 15 mSDsluCounter, 73 mSDsCounter, 0 mSdLazyCounter, 27 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 21 SdHoareTripleChecker+Valid, 106 SdHoareTripleChecker+Invalid, 28 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 27 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-02-18 02:53:13,675 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [21 Valid, 106 Invalid, 28 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 27 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-02-18 02:53:13,676 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 36 states. [2023-02-18 02:53:13,685 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 36 to 28. [2023-02-18 02:53:13,685 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 28 states, 18 states have (on average 1.3333333333333333) internal successors, (24), 19 states have internal predecessors, (24), 7 states have call successors, (7), 2 states have call predecessors, (7), 2 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2023-02-18 02:53:13,686 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 28 states and 37 transitions. [2023-02-18 02:53:13,686 INFO L78 Accepts]: Start accepts. Automaton has 28 states and 37 transitions. Word has length 10 [2023-02-18 02:53:13,686 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-18 02:53:13,686 INFO L495 AbstractCegarLoop]: Abstraction has 28 states and 37 transitions. [2023-02-18 02:53:13,686 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 1.8) internal successors, (9), 4 states have internal predecessors, (9), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-18 02:53:13,687 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 37 transitions. [2023-02-18 02:53:13,687 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-02-18 02:53:13,687 INFO L187 NwaCegarLoop]: Found error trace [2023-02-18 02:53:13,687 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-02-18 02:53:13,687 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-02-18 02:53:13,688 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-02-18 02:53:13,688 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-18 02:53:13,688 INFO L85 PathProgramCache]: Analyzing trace with hash 1787143384, now seen corresponding path program 1 times [2023-02-18 02:53:13,688 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-18 02:53:13,688 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1423773921] [2023-02-18 02:53:13,689 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-18 02:53:13,689 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-18 02:53:13,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 02:53:13,699 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-18 02:53:13,699 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1423773921] [2023-02-18 02:53:13,699 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unsupported non-linear arithmetic [2023-02-18 02:53:13,699 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1609689786] [2023-02-18 02:53:13,699 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-18 02:53:13,699 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-02-18 02:53:13,722 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-18 02:53:13,747 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) [2023-02-18 02:53:13,748 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2023-02-18 02:53:13,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 02:53:13,786 INFO L263 TraceCheckSpWp]: Trace formula consists of 59 conjuncts, 3 conjunts are in the unsatisfiable core [2023-02-18 02:53:13,796 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-02-18 02:53:13,818 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-02-18 02:53:13,818 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-02-18 02:53:13,818 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1609689786] provided 1 perfect and 0 imperfect interpolant sequences [2023-02-18 02:53:13,818 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-02-18 02:53:13,818 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-02-18 02:53:13,819 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [322629503] [2023-02-18 02:53:13,819 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-02-18 02:53:13,819 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-02-18 02:53:13,820 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-18 02:53:13,820 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-02-18 02:53:13,821 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-02-18 02:53:13,821 INFO L87 Difference]: Start difference. First operand 28 states and 37 transitions. Second operand has 4 states, 4 states have (on average 2.75) internal successors, (11), 3 states have internal predecessors, (11), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-18 02:53:13,843 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-18 02:53:13,843 INFO L93 Difference]: Finished difference Result 44 states and 59 transitions. [2023-02-18 02:53:13,844 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-02-18 02:53:13,844 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 2.75) internal successors, (11), 3 states have internal predecessors, (11), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 12 [2023-02-18 02:53:13,844 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-18 02:53:13,845 INFO L225 Difference]: With dead ends: 44 [2023-02-18 02:53:13,845 INFO L226 Difference]: Without dead ends: 30 [2023-02-18 02:53:13,846 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-02-18 02:53:13,848 INFO L413 NwaCegarLoop]: 32 mSDtfsCounter, 0 mSDsluCounter, 57 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 89 SdHoareTripleChecker+Invalid, 9 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-02-18 02:53:13,849 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 89 Invalid, 9 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-02-18 02:53:13,849 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30 states. [2023-02-18 02:53:13,853 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30 to 30. [2023-02-18 02:53:13,855 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 30 states, 20 states have (on average 1.3) internal successors, (26), 21 states have internal predecessors, (26), 7 states have call successors, (7), 2 states have call predecessors, (7), 2 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2023-02-18 02:53:13,856 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 30 states and 39 transitions. [2023-02-18 02:53:13,856 INFO L78 Accepts]: Start accepts. Automaton has 30 states and 39 transitions. Word has length 12 [2023-02-18 02:53:13,856 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-18 02:53:13,856 INFO L495 AbstractCegarLoop]: Abstraction has 30 states and 39 transitions. [2023-02-18 02:53:13,856 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 2.75) internal successors, (11), 3 states have internal predecessors, (11), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-18 02:53:13,857 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 39 transitions. [2023-02-18 02:53:13,857 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-02-18 02:53:13,857 INFO L187 NwaCegarLoop]: Found error trace [2023-02-18 02:53:13,858 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-02-18 02:53:13,871 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2023-02-18 02:53:14,071 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable2 [2023-02-18 02:53:14,073 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-02-18 02:53:14,073 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-18 02:53:14,073 INFO L85 PathProgramCache]: Analyzing trace with hash 472519838, now seen corresponding path program 1 times [2023-02-18 02:53:14,073 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-18 02:53:14,073 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1889678081] [2023-02-18 02:53:14,074 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-18 02:53:14,074 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-18 02:53:14,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 02:53:14,197 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-02-18 02:53:14,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 02:53:14,204 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-02-18 02:53:14,204 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-18 02:53:14,204 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1889678081] [2023-02-18 02:53:14,204 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1889678081] provided 1 perfect and 0 imperfect interpolant sequences [2023-02-18 02:53:14,204 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-02-18 02:53:14,204 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-02-18 02:53:14,205 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [337468705] [2023-02-18 02:53:14,205 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-02-18 02:53:14,205 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-02-18 02:53:14,205 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-18 02:53:14,206 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-02-18 02:53:14,206 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-02-18 02:53:14,206 INFO L87 Difference]: Start difference. First operand 30 states and 39 transitions. Second operand has 5 states, 5 states have (on average 2.4) internal successors, (12), 4 states have internal predecessors, (12), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-02-18 02:53:14,267 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-18 02:53:14,268 INFO L93 Difference]: Finished difference Result 44 states and 58 transitions. [2023-02-18 02:53:14,268 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-02-18 02:53:14,268 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 2.4) internal successors, (12), 4 states have internal predecessors, (12), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 15 [2023-02-18 02:53:14,268 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-18 02:53:14,269 INFO L225 Difference]: With dead ends: 44 [2023-02-18 02:53:14,269 INFO L226 Difference]: Without dead ends: 42 [2023-02-18 02:53:14,269 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2023-02-18 02:53:14,270 INFO L413 NwaCegarLoop]: 33 mSDtfsCounter, 13 mSDsluCounter, 69 mSDsCounter, 0 mSdLazyCounter, 37 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 18 SdHoareTripleChecker+Valid, 102 SdHoareTripleChecker+Invalid, 38 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 37 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-02-18 02:53:14,270 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [18 Valid, 102 Invalid, 38 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 37 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-02-18 02:53:14,270 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 42 states. [2023-02-18 02:53:14,274 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 42 to 34. [2023-02-18 02:53:14,274 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 34 states, 23 states have (on average 1.2608695652173914) internal successors, (29), 24 states have internal predecessors, (29), 7 states have call successors, (7), 3 states have call predecessors, (7), 3 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2023-02-18 02:53:14,274 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 34 states and 42 transitions. [2023-02-18 02:53:14,275 INFO L78 Accepts]: Start accepts. Automaton has 34 states and 42 transitions. Word has length 15 [2023-02-18 02:53:14,275 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-18 02:53:14,275 INFO L495 AbstractCegarLoop]: Abstraction has 34 states and 42 transitions. [2023-02-18 02:53:14,275 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 2.4) internal successors, (12), 4 states have internal predecessors, (12), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-02-18 02:53:14,275 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 42 transitions. [2023-02-18 02:53:14,275 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-02-18 02:53:14,275 INFO L187 NwaCegarLoop]: Found error trace [2023-02-18 02:53:14,275 INFO L195 NwaCegarLoop]: trace histogram [3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-02-18 02:53:14,275 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-02-18 02:53:14,276 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-02-18 02:53:14,276 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-18 02:53:14,276 INFO L85 PathProgramCache]: Analyzing trace with hash 838495553, now seen corresponding path program 1 times [2023-02-18 02:53:14,276 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-18 02:53:14,276 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1828910530] [2023-02-18 02:53:14,276 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-18 02:53:14,276 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-18 02:53:14,287 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-02-18 02:53:14,287 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [299948793] [2023-02-18 02:53:14,289 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-18 02:53:14,289 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-02-18 02:53:14,290 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-18 02:53:14,306 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) [2023-02-18 02:53:14,308 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2023-02-18 02:53:14,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 02:53:14,347 INFO L263 TraceCheckSpWp]: Trace formula consists of 72 conjuncts, 22 conjunts are in the unsatisfiable core [2023-02-18 02:53:14,349 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-02-18 02:53:14,441 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 6 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-02-18 02:53:14,443 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-02-18 02:53:15,223 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 6 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-02-18 02:53:15,223 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-18 02:53:15,223 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1828910530] [2023-02-18 02:53:15,224 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-02-18 02:53:15,225 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [299948793] [2023-02-18 02:53:15,225 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [299948793] provided 0 perfect and 2 imperfect interpolant sequences [2023-02-18 02:53:15,225 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-02-18 02:53:15,225 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 7] total 14 [2023-02-18 02:53:15,226 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [310645058] [2023-02-18 02:53:15,226 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-02-18 02:53:15,226 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2023-02-18 02:53:15,226 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-18 02:53:15,227 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2023-02-18 02:53:15,228 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=144, Unknown=0, NotChecked=0, Total=182 [2023-02-18 02:53:15,228 INFO L87 Difference]: Start difference. First operand 34 states and 42 transitions. Second operand has 14 states, 12 states have (on average 2.0) internal successors, (24), 11 states have internal predecessors, (24), 4 states have call successors, (6), 3 states have call predecessors, (6), 2 states have return successors, (4), 4 states have call predecessors, (4), 2 states have call successors, (4) [2023-02-18 02:53:18,232 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2023-02-18 02:53:20,236 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2023-02-18 02:53:22,287 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2023-02-18 02:53:24,290 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2023-02-18 02:53:25,320 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-18 02:53:25,320 INFO L93 Difference]: Finished difference Result 78 states and 107 transitions. [2023-02-18 02:53:25,320 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-02-18 02:53:25,320 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 12 states have (on average 2.0) internal successors, (24), 11 states have internal predecessors, (24), 4 states have call successors, (6), 3 states have call predecessors, (6), 2 states have return successors, (4), 4 states have call predecessors, (4), 2 states have call successors, (4) Word has length 20 [2023-02-18 02:53:25,321 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-18 02:53:25,323 INFO L225 Difference]: With dead ends: 78 [2023-02-18 02:53:25,323 INFO L226 Difference]: Without dead ends: 63 [2023-02-18 02:53:25,324 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 43 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=74, Invalid=268, Unknown=0, NotChecked=0, Total=342 [2023-02-18 02:53:25,324 INFO L413 NwaCegarLoop]: 21 mSDtfsCounter, 92 mSDsluCounter, 65 mSDsCounter, 0 mSdLazyCounter, 177 mSolverCounterSat, 81 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 92 SdHoareTripleChecker+Valid, 86 SdHoareTripleChecker+Invalid, 262 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 81 IncrementalHoareTripleChecker+Valid, 177 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.9s IncrementalHoareTripleChecker+Time [2023-02-18 02:53:25,324 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [92 Valid, 86 Invalid, 262 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [81 Valid, 177 Invalid, 4 Unknown, 0 Unchecked, 9.9s Time] [2023-02-18 02:53:25,325 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 63 states. [2023-02-18 02:53:25,335 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 63 to 61. [2023-02-18 02:53:25,335 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 61 states, 37 states have (on average 1.2702702702702702) internal successors, (47), 41 states have internal predecessors, (47), 18 states have call successors, (18), 5 states have call predecessors, (18), 5 states have return successors, (16), 14 states have call predecessors, (16), 16 states have call successors, (16) [2023-02-18 02:53:25,336 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 61 states and 81 transitions. [2023-02-18 02:53:25,336 INFO L78 Accepts]: Start accepts. Automaton has 61 states and 81 transitions. Word has length 20 [2023-02-18 02:53:25,336 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-18 02:53:25,336 INFO L495 AbstractCegarLoop]: Abstraction has 61 states and 81 transitions. [2023-02-18 02:53:25,351 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 12 states have (on average 2.0) internal successors, (24), 11 states have internal predecessors, (24), 4 states have call successors, (6), 3 states have call predecessors, (6), 2 states have return successors, (4), 4 states have call predecessors, (4), 2 states have call successors, (4) [2023-02-18 02:53:25,351 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 81 transitions. [2023-02-18 02:53:25,352 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2023-02-18 02:53:25,352 INFO L187 NwaCegarLoop]: Found error trace [2023-02-18 02:53:25,352 INFO L195 NwaCegarLoop]: trace histogram [4, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-02-18 02:53:25,357 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2023-02-18 02:53:25,553 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-02-18 02:53:25,554 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-02-18 02:53:25,554 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-18 02:53:25,554 INFO L85 PathProgramCache]: Analyzing trace with hash 414140572, now seen corresponding path program 1 times [2023-02-18 02:53:25,555 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-18 02:53:25,555 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [196501766] [2023-02-18 02:53:25,555 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-18 02:53:25,555 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-18 02:53:25,563 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-02-18 02:53:25,565 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [195131798] [2023-02-18 02:53:25,565 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-18 02:53:25,565 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-02-18 02:53:25,565 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-18 02:53:25,566 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) [2023-02-18 02:53:25,568 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2023-02-18 02:53:25,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 02:53:25,598 INFO L263 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 5 conjunts are in the unsatisfiable core [2023-02-18 02:53:25,599 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-02-18 02:53:25,611 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-02-18 02:53:25,611 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-02-18 02:53:25,612 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-18 02:53:25,612 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [196501766] [2023-02-18 02:53:25,612 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-02-18 02:53:25,612 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [195131798] [2023-02-18 02:53:25,612 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [195131798] provided 1 perfect and 0 imperfect interpolant sequences [2023-02-18 02:53:25,612 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-02-18 02:53:25,612 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-02-18 02:53:25,612 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1256323209] [2023-02-18 02:53:25,612 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-02-18 02:53:25,613 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-02-18 02:53:25,613 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-18 02:53:25,613 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-02-18 02:53:25,613 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-02-18 02:53:25,613 INFO L87 Difference]: Start difference. First operand 61 states and 81 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, (4), 2 states have call predecessors, (4), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2023-02-18 02:53:25,638 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-18 02:53:25,638 INFO L93 Difference]: Finished difference Result 76 states and 93 transitions. [2023-02-18 02:53:25,638 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-02-18 02:53:25,638 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, (4), 2 states have call predecessors, (4), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 28 [2023-02-18 02:53:25,639 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-18 02:53:25,639 INFO L225 Difference]: With dead ends: 76 [2023-02-18 02:53:25,639 INFO L226 Difference]: Without dead ends: 69 [2023-02-18 02:53:25,640 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-02-18 02:53:25,640 INFO L413 NwaCegarLoop]: 34 mSDtfsCounter, 1 mSDsluCounter, 83 mSDsCounter, 0 mSdLazyCounter, 20 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 117 SdHoareTripleChecker+Invalid, 20 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 20 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-02-18 02:53:25,640 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 117 Invalid, 20 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 20 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-02-18 02:53:25,641 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 69 states. [2023-02-18 02:53:25,648 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 69 to 69. [2023-02-18 02:53:25,648 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 69 states, 43 states have (on average 1.2093023255813953) internal successors, (52), 47 states have internal predecessors, (52), 18 states have call successors, (18), 7 states have call predecessors, (18), 7 states have return successors, (16), 14 states have call predecessors, (16), 16 states have call successors, (16) [2023-02-18 02:53:25,649 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 69 states and 86 transitions. [2023-02-18 02:53:25,649 INFO L78 Accepts]: Start accepts. Automaton has 69 states and 86 transitions. Word has length 28 [2023-02-18 02:53:25,649 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-18 02:53:25,650 INFO L495 AbstractCegarLoop]: Abstraction has 69 states and 86 transitions. [2023-02-18 02:53:25,650 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 3.0) internal successors, (15), 4 states have internal predecessors, (15), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2023-02-18 02:53:25,650 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 86 transitions. [2023-02-18 02:53:25,650 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2023-02-18 02:53:25,650 INFO L187 NwaCegarLoop]: Found error trace [2023-02-18 02:53:25,650 INFO L195 NwaCegarLoop]: trace histogram [4, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-02-18 02:53:25,655 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2023-02-18 02:53:25,855 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-02-18 02:53:25,855 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-02-18 02:53:25,855 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-18 02:53:25,856 INFO L85 PathProgramCache]: Analyzing trace with hash 415868450, now seen corresponding path program 1 times [2023-02-18 02:53:25,856 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-18 02:53:25,856 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2072490964] [2023-02-18 02:53:25,856 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-18 02:53:25,856 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-18 02:53:25,865 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-02-18 02:53:25,865 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1986376573] [2023-02-18 02:53:25,865 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-18 02:53:25,865 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-02-18 02:53:25,865 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-18 02:53:25,888 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) [2023-02-18 02:53:25,914 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2023-02-18 02:53:25,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 02:53:25,965 INFO L263 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 18 conjunts are in the unsatisfiable core [2023-02-18 02:53:25,968 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-02-18 02:53:26,020 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-02-18 02:53:26,020 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-02-18 02:53:26,020 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-18 02:53:26,021 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2072490964] [2023-02-18 02:53:26,021 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-02-18 02:53:26,021 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1986376573] [2023-02-18 02:53:26,021 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1986376573] provided 1 perfect and 0 imperfect interpolant sequences [2023-02-18 02:53:26,021 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-02-18 02:53:26,021 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2023-02-18 02:53:26,021 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1073925343] [2023-02-18 02:53:26,021 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-02-18 02:53:26,022 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-02-18 02:53:26,022 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-18 02:53:26,022 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-02-18 02:53:26,022 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2023-02-18 02:53:26,023 INFO L87 Difference]: Start difference. First operand 69 states and 86 transitions. Second operand has 8 states, 8 states have (on average 1.875) internal successors, (15), 7 states have internal predecessors, (15), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2023-02-18 02:53:26,433 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-18 02:53:26,433 INFO L93 Difference]: Finished difference Result 75 states and 91 transitions. [2023-02-18 02:53:26,433 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-02-18 02:53:26,433 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 1.875) internal successors, (15), 7 states have internal predecessors, (15), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 28 [2023-02-18 02:53:26,434 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-18 02:53:26,434 INFO L225 Difference]: With dead ends: 75 [2023-02-18 02:53:26,434 INFO L226 Difference]: Without dead ends: 63 [2023-02-18 02:53:26,434 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=37, Invalid=95, Unknown=0, NotChecked=0, Total=132 [2023-02-18 02:53:26,435 INFO L413 NwaCegarLoop]: 31 mSDtfsCounter, 44 mSDsluCounter, 76 mSDsCounter, 0 mSdLazyCounter, 98 mSolverCounterSat, 27 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 44 SdHoareTripleChecker+Valid, 107 SdHoareTripleChecker+Invalid, 125 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 27 IncrementalHoareTripleChecker+Valid, 98 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2023-02-18 02:53:26,435 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [44 Valid, 107 Invalid, 125 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [27 Valid, 98 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2023-02-18 02:53:26,435 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 63 states. [2023-02-18 02:53:26,442 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 63 to 63. [2023-02-18 02:53:26,442 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 63 states, 40 states have (on average 1.2) internal successors, (48), 43 states have internal predecessors, (48), 15 states have call successors, (15), 7 states have call predecessors, (15), 7 states have return successors, (14), 12 states have call predecessors, (14), 14 states have call successors, (14) [2023-02-18 02:53:26,443 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 63 states and 77 transitions. [2023-02-18 02:53:26,443 INFO L78 Accepts]: Start accepts. Automaton has 63 states and 77 transitions. Word has length 28 [2023-02-18 02:53:26,443 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-18 02:53:26,443 INFO L495 AbstractCegarLoop]: Abstraction has 63 states and 77 transitions. [2023-02-18 02:53:26,443 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 1.875) internal successors, (15), 7 states have internal predecessors, (15), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2023-02-18 02:53:26,443 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 77 transitions. [2023-02-18 02:53:26,444 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2023-02-18 02:53:26,444 INFO L187 NwaCegarLoop]: Found error trace [2023-02-18 02:53:26,444 INFO L195 NwaCegarLoop]: trace histogram [4, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-02-18 02:53:26,449 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2023-02-18 02:53:26,649 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-02-18 02:53:26,649 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-02-18 02:53:26,650 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-18 02:53:26,650 INFO L85 PathProgramCache]: Analyzing trace with hash 1040101153, now seen corresponding path program 1 times [2023-02-18 02:53:26,650 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-18 02:53:26,650 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [165915654] [2023-02-18 02:53:26,650 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-18 02:53:26,650 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-18 02:53:26,656 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-02-18 02:53:26,656 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [178678603] [2023-02-18 02:53:26,656 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-18 02:53:26,656 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-02-18 02:53:26,656 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-18 02:53:26,657 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) [2023-02-18 02:53:26,659 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2023-02-18 02:53:26,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 02:53:26,688 INFO L263 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 5 conjunts are in the unsatisfiable core [2023-02-18 02:53:26,689 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-02-18 02:53:26,696 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 6 proven. 2 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-02-18 02:53:26,696 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-02-18 02:53:26,706 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 6 proven. 2 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-02-18 02:53:26,706 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-18 02:53:26,707 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [165915654] [2023-02-18 02:53:26,707 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-02-18 02:53:26,707 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [178678603] [2023-02-18 02:53:26,707 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [178678603] provided 0 perfect and 2 imperfect interpolant sequences [2023-02-18 02:53:26,707 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-02-18 02:53:26,707 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 5] total 8 [2023-02-18 02:53:26,707 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [565501185] [2023-02-18 02:53:26,707 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-02-18 02:53:26,708 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-02-18 02:53:26,708 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-18 02:53:26,708 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-02-18 02:53:26,708 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2023-02-18 02:53:26,708 INFO L87 Difference]: Start difference. First operand 63 states and 77 transitions. Second operand has 8 states, 8 states have (on average 3.625) internal successors, (29), 8 states have internal predecessors, (29), 3 states have call successors, (7), 3 states have call predecessors, (7), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2023-02-18 02:53:26,764 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-18 02:53:26,764 INFO L93 Difference]: Finished difference Result 134 states and 161 transitions. [2023-02-18 02:53:26,764 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-02-18 02:53:26,764 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 3.625) internal successors, (29), 8 states have internal predecessors, (29), 3 states have call successors, (7), 3 states have call predecessors, (7), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 30 [2023-02-18 02:53:26,765 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-18 02:53:26,765 INFO L225 Difference]: With dead ends: 134 [2023-02-18 02:53:26,765 INFO L226 Difference]: Without dead ends: 112 [2023-02-18 02:53:26,766 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 61 GetRequests, 52 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=40, Invalid=70, Unknown=0, NotChecked=0, Total=110 [2023-02-18 02:53:26,766 INFO L413 NwaCegarLoop]: 43 mSDtfsCounter, 34 mSDsluCounter, 112 mSDsCounter, 0 mSdLazyCounter, 55 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 34 SdHoareTripleChecker+Valid, 155 SdHoareTripleChecker+Invalid, 57 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 55 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-02-18 02:53:26,766 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [34 Valid, 155 Invalid, 57 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 55 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-02-18 02:53:26,767 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 112 states. [2023-02-18 02:53:26,775 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 112 to 107. [2023-02-18 02:53:26,775 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 107 states, 70 states have (on average 1.1714285714285715) internal successors, (82), 73 states have internal predecessors, (82), 22 states have call successors, (22), 14 states have call predecessors, (22), 14 states have return successors, (20), 19 states have call predecessors, (20), 20 states have call successors, (20) [2023-02-18 02:53:26,776 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107 states to 107 states and 124 transitions. [2023-02-18 02:53:26,776 INFO L78 Accepts]: Start accepts. Automaton has 107 states and 124 transitions. Word has length 30 [2023-02-18 02:53:26,776 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-18 02:53:26,777 INFO L495 AbstractCegarLoop]: Abstraction has 107 states and 124 transitions. [2023-02-18 02:53:26,777 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 3.625) internal successors, (29), 8 states have internal predecessors, (29), 3 states have call successors, (7), 3 states have call predecessors, (7), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2023-02-18 02:53:26,777 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 124 transitions. [2023-02-18 02:53:26,777 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2023-02-18 02:53:26,778 INFO L187 NwaCegarLoop]: Found error trace [2023-02-18 02:53:26,778 INFO L195 NwaCegarLoop]: trace histogram [7, 6, 6, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-02-18 02:53:26,782 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2023-02-18 02:53:26,982 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-02-18 02:53:26,983 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-02-18 02:53:26,983 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-18 02:53:26,983 INFO L85 PathProgramCache]: Analyzing trace with hash 2101649637, now seen corresponding path program 1 times [2023-02-18 02:53:26,983 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-18 02:53:26,983 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [728437683] [2023-02-18 02:53:26,983 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-18 02:53:26,983 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-18 02:53:26,991 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-02-18 02:53:26,991 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [66069721] [2023-02-18 02:53:26,991 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-18 02:53:26,991 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-02-18 02:53:26,991 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-18 02:53:26,992 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) [2023-02-18 02:53:26,994 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2023-02-18 02:53:27,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 02:53:27,026 INFO L263 TraceCheckSpWp]: Trace formula consists of 124 conjuncts, 7 conjunts are in the unsatisfiable core [2023-02-18 02:53:27,027 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-02-18 02:53:27,037 INFO L134 CoverageAnalysis]: Checked inductivity of 78 backedges. 12 proven. 42 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2023-02-18 02:53:27,038 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-02-18 02:53:27,055 INFO L134 CoverageAnalysis]: Checked inductivity of 78 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2023-02-18 02:53:27,055 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-18 02:53:27,055 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [728437683] [2023-02-18 02:53:27,055 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-02-18 02:53:27,056 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [66069721] [2023-02-18 02:53:27,056 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [66069721] provided 0 perfect and 2 imperfect interpolant sequences [2023-02-18 02:53:27,056 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-02-18 02:53:27,056 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 6] total 10 [2023-02-18 02:53:27,056 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [736134739] [2023-02-18 02:53:27,056 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-02-18 02:53:27,056 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2023-02-18 02:53:27,057 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-18 02:53:27,057 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2023-02-18 02:53:27,057 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2023-02-18 02:53:27,057 INFO L87 Difference]: Start difference. First operand 107 states and 124 transitions. Second operand has 10 states, 10 states have (on average 3.6) internal successors, (36), 10 states have internal predecessors, (36), 5 states have call successors, (13), 4 states have call predecessors, (13), 3 states have return successors, (12), 4 states have call predecessors, (12), 4 states have call successors, (12) [2023-02-18 02:53:27,170 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-18 02:53:27,170 INFO L93 Difference]: Finished difference Result 199 states and 238 transitions. [2023-02-18 02:53:27,171 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2023-02-18 02:53:27,171 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 3.6) internal successors, (36), 10 states have internal predecessors, (36), 5 states have call successors, (13), 4 states have call predecessors, (13), 3 states have return successors, (12), 4 states have call predecessors, (12), 4 states have call successors, (12) Word has length 46 [2023-02-18 02:53:27,171 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-18 02:53:27,172 INFO L225 Difference]: With dead ends: 199 [2023-02-18 02:53:27,172 INFO L226 Difference]: Without dead ends: 185 [2023-02-18 02:53:27,172 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 93 GetRequests, 82 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=52, Invalid=104, Unknown=0, NotChecked=0, Total=156 [2023-02-18 02:53:27,173 INFO L413 NwaCegarLoop]: 55 mSDtfsCounter, 71 mSDsluCounter, 209 mSDsCounter, 0 mSdLazyCounter, 111 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 71 SdHoareTripleChecker+Valid, 264 SdHoareTripleChecker+Invalid, 115 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 111 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-02-18 02:53:27,173 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [71 Valid, 264 Invalid, 115 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 111 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-02-18 02:53:27,174 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 185 states. [2023-02-18 02:53:27,199 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 185 to 178. [2023-02-18 02:53:27,201 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 178 states, 115 states have (on average 1.182608695652174) internal successors, (136), 122 states have internal predecessors, (136), 40 states have call successors, (40), 22 states have call predecessors, (40), 22 states have return successors, (36), 33 states have call predecessors, (36), 36 states have call successors, (36) [2023-02-18 02:53:27,202 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 178 states to 178 states and 212 transitions. [2023-02-18 02:53:27,203 INFO L78 Accepts]: Start accepts. Automaton has 178 states and 212 transitions. Word has length 46 [2023-02-18 02:53:27,203 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-18 02:53:27,203 INFO L495 AbstractCegarLoop]: Abstraction has 178 states and 212 transitions. [2023-02-18 02:53:27,203 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 3.6) internal successors, (36), 10 states have internal predecessors, (36), 5 states have call successors, (13), 4 states have call predecessors, (13), 3 states have return successors, (12), 4 states have call predecessors, (12), 4 states have call successors, (12) [2023-02-18 02:53:27,203 INFO L276 IsEmpty]: Start isEmpty. Operand 178 states and 212 transitions. [2023-02-18 02:53:27,206 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2023-02-18 02:53:27,206 INFO L187 NwaCegarLoop]: Found error trace [2023-02-18 02:53:27,206 INFO L195 NwaCegarLoop]: trace histogram [7, 6, 6, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-02-18 02:53:27,213 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2023-02-18 02:53:27,411 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-02-18 02:53:27,411 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-02-18 02:53:27,412 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-18 02:53:27,412 INFO L85 PathProgramCache]: Analyzing trace with hash 2103377515, now seen corresponding path program 1 times [2023-02-18 02:53:27,412 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-18 02:53:27,412 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [717943095] [2023-02-18 02:53:27,412 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-18 02:53:27,412 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-18 02:53:27,421 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-02-18 02:53:27,422 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1487021479] [2023-02-18 02:53:27,422 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-18 02:53:27,422 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-02-18 02:53:27,422 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-18 02:53:27,438 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-02-18 02:53:27,439 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2023-02-18 02:53:27,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 02:53:27,484 INFO L263 TraceCheckSpWp]: Trace formula consists of 124 conjuncts, 15 conjunts are in the unsatisfiable core [2023-02-18 02:53:27,485 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-02-18 02:53:27,503 INFO L134 CoverageAnalysis]: Checked inductivity of 78 backedges. 14 proven. 13 refuted. 0 times theorem prover too weak. 51 trivial. 0 not checked. [2023-02-18 02:53:27,504 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-02-18 02:53:27,528 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-18 02:53:27,529 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [717943095] [2023-02-18 02:53:27,529 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-02-18 02:53:27,529 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1487021479] [2023-02-18 02:53:27,529 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1487021479] provided 0 perfect and 1 imperfect interpolant sequences [2023-02-18 02:53:27,529 INFO L184 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2023-02-18 02:53:27,529 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2023-02-18 02:53:27,529 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [798346729] [2023-02-18 02:53:27,530 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2023-02-18 02:53:27,530 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-02-18 02:53:27,530 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-18 02:53:27,530 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-02-18 02:53:27,530 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2023-02-18 02:53:27,531 INFO L87 Difference]: Start difference. First operand 178 states and 212 transitions. Second operand has 7 states, 7 states have (on average 2.7142857142857144) internal successors, (19), 6 states have internal predecessors, (19), 1 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2023-02-18 02:53:27,788 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-18 02:53:27,788 INFO L93 Difference]: Finished difference Result 222 states and 271 transitions. [2023-02-18 02:53:27,789 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-02-18 02:53:27,789 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 2.7142857142857144) internal successors, (19), 6 states have internal predecessors, (19), 1 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) Word has length 46 [2023-02-18 02:53:27,789 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-18 02:53:27,790 INFO L225 Difference]: With dead ends: 222 [2023-02-18 02:53:27,790 INFO L226 Difference]: Without dead ends: 220 [2023-02-18 02:53:27,790 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 55 GetRequests, 45 SyntacticMatches, 1 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=31, Invalid=79, Unknown=0, NotChecked=0, Total=110 [2023-02-18 02:53:27,791 INFO L413 NwaCegarLoop]: 22 mSDtfsCounter, 17 mSDsluCounter, 58 mSDsCounter, 0 mSdLazyCounter, 90 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 20 SdHoareTripleChecker+Valid, 80 SdHoareTripleChecker+Invalid, 96 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 90 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-02-18 02:53:27,791 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [20 Valid, 80 Invalid, 96 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 90 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-02-18 02:53:27,791 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 220 states. [2023-02-18 02:53:27,804 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 220 to 217. [2023-02-18 02:53:27,804 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 217 states, 141 states have (on average 1.198581560283688) internal successors, (169), 151 states have internal predecessors, (169), 49 states have call successors, (49), 26 states have call predecessors, (49), 26 states have return successors, (45), 39 states have call predecessors, (45), 45 states have call successors, (45) [2023-02-18 02:53:27,805 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 217 states to 217 states and 263 transitions. [2023-02-18 02:53:27,805 INFO L78 Accepts]: Start accepts. Automaton has 217 states and 263 transitions. Word has length 46 [2023-02-18 02:53:27,806 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-18 02:53:27,806 INFO L495 AbstractCegarLoop]: Abstraction has 217 states and 263 transitions. [2023-02-18 02:53:27,806 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 2.7142857142857144) internal successors, (19), 6 states have internal predecessors, (19), 1 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2023-02-18 02:53:27,806 INFO L276 IsEmpty]: Start isEmpty. Operand 217 states and 263 transitions. [2023-02-18 02:53:27,807 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2023-02-18 02:53:27,807 INFO L187 NwaCegarLoop]: Found error trace [2023-02-18 02:53:27,807 INFO L195 NwaCegarLoop]: trace histogram [9, 8, 8, 3, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1] [2023-02-18 02:53:27,811 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Ended with exit code 0 [2023-02-18 02:53:28,011 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2023-02-18 02:53:28,012 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-02-18 02:53:28,012 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-18 02:53:28,012 INFO L85 PathProgramCache]: Analyzing trace with hash -246714477, now seen corresponding path program 1 times [2023-02-18 02:53:28,012 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-18 02:53:28,012 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [669389664] [2023-02-18 02:53:28,012 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-18 02:53:28,013 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-18 02:53:28,017 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-02-18 02:53:28,017 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1186044744] [2023-02-18 02:53:28,018 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-18 02:53:28,018 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-02-18 02:53:28,018 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-18 02:53:28,019 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-02-18 02:53:28,021 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2023-02-18 02:53:28,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 02:53:28,146 INFO L263 TraceCheckSpWp]: Trace formula consists of 146 conjuncts, 42 conjunts are in the unsatisfiable core [2023-02-18 02:53:28,148 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-02-18 02:53:28,231 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 40 proven. 37 refuted. 0 times theorem prover too weak. 67 trivial. 0 not checked. [2023-02-18 02:53:28,232 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-02-18 02:53:34,836 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 55 proven. 8 refuted. 0 times theorem prover too weak. 81 trivial. 0 not checked. [2023-02-18 02:53:34,836 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-18 02:53:34,837 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [669389664] [2023-02-18 02:53:34,837 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-02-18 02:53:34,837 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1186044744] [2023-02-18 02:53:34,837 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1186044744] provided 0 perfect and 2 imperfect interpolant sequences [2023-02-18 02:53:34,837 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-02-18 02:53:34,837 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 8] total 18 [2023-02-18 02:53:34,837 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [287445186] [2023-02-18 02:53:34,837 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-02-18 02:53:34,838 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2023-02-18 02:53:34,838 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-18 02:53:34,838 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2023-02-18 02:53:34,839 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=63, Invalid=240, Unknown=3, NotChecked=0, Total=306 [2023-02-18 02:53:34,839 INFO L87 Difference]: Start difference. First operand 217 states and 263 transitions. Second operand has 18 states, 16 states have (on average 2.125) internal successors, (34), 13 states have internal predecessors, (34), 8 states have call successors, (15), 3 states have call predecessors, (15), 2 states have return successors, (14), 7 states have call predecessors, (14), 8 states have call successors, (14) [2023-02-18 02:53:42,677 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2023-02-18 02:53:45,169 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2023-02-18 02:53:47,178 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-18 02:53:47,179 INFO L93 Difference]: Finished difference Result 266 states and 320 transitions. [2023-02-18 02:53:47,180 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-02-18 02:53:47,180 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 16 states have (on average 2.125) internal successors, (34), 13 states have internal predecessors, (34), 8 states have call successors, (15), 3 states have call predecessors, (15), 2 states have return successors, (14), 7 states have call predecessors, (14), 8 states have call successors, (14) Word has length 56 [2023-02-18 02:53:47,181 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-18 02:53:47,182 INFO L225 Difference]: With dead ends: 266 [2023-02-18 02:53:47,182 INFO L226 Difference]: Without dead ends: 244 [2023-02-18 02:53:47,182 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 124 GetRequests, 96 SyntacticMatches, 3 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 120 ImplicationChecksByTransitivity, 7.0s TimeCoverageRelationStatistics Valid=144, Invalid=555, Unknown=3, NotChecked=0, Total=702 [2023-02-18 02:53:47,183 INFO L413 NwaCegarLoop]: 33 mSDtfsCounter, 96 mSDsluCounter, 138 mSDsCounter, 0 mSdLazyCounter, 441 mSolverCounterSat, 107 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 11.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 96 SdHoareTripleChecker+Valid, 171 SdHoareTripleChecker+Invalid, 550 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 107 IncrementalHoareTripleChecker+Valid, 441 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 11.9s IncrementalHoareTripleChecker+Time [2023-02-18 02:53:47,183 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [96 Valid, 171 Invalid, 550 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [107 Valid, 441 Invalid, 2 Unknown, 0 Unchecked, 11.9s Time] [2023-02-18 02:53:47,183 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 244 states. [2023-02-18 02:53:47,199 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 244 to 228. [2023-02-18 02:53:47,200 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 228 states, 151 states have (on average 1.1721854304635762) internal successors, (177), 159 states have internal predecessors, (177), 47 states have call successors, (47), 29 states have call predecessors, (47), 29 states have return successors, (44), 39 states have call predecessors, (44), 44 states have call successors, (44) [2023-02-18 02:53:47,201 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 228 states to 228 states and 268 transitions. [2023-02-18 02:53:47,201 INFO L78 Accepts]: Start accepts. Automaton has 228 states and 268 transitions. Word has length 56 [2023-02-18 02:53:47,201 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-18 02:53:47,202 INFO L495 AbstractCegarLoop]: Abstraction has 228 states and 268 transitions. [2023-02-18 02:53:47,202 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 16 states have (on average 2.125) internal successors, (34), 13 states have internal predecessors, (34), 8 states have call successors, (15), 3 states have call predecessors, (15), 2 states have return successors, (14), 7 states have call predecessors, (14), 8 states have call successors, (14) [2023-02-18 02:53:47,202 INFO L276 IsEmpty]: Start isEmpty. Operand 228 states and 268 transitions. [2023-02-18 02:53:47,206 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2023-02-18 02:53:47,206 INFO L187 NwaCegarLoop]: Found error trace [2023-02-18 02:53:47,206 INFO L195 NwaCegarLoop]: trace histogram [9, 8, 8, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-02-18 02:53:47,225 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Ended with exit code 0 [2023-02-18 02:53:47,406 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,10 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-02-18 02:53:47,407 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-02-18 02:53:47,407 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-18 02:53:47,407 INFO L85 PathProgramCache]: Analyzing trace with hash 98519191, now seen corresponding path program 1 times [2023-02-18 02:53:47,407 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-18 02:53:47,407 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1946291483] [2023-02-18 02:53:47,407 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-18 02:53:47,407 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-18 02:53:47,412 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-02-18 02:53:47,413 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1544174327] [2023-02-18 02:53:47,413 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-18 02:53:47,413 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-02-18 02:53:47,413 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-18 02:53:47,416 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-02-18 02:53:47,418 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2023-02-18 02:53:47,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 02:53:47,825 INFO L263 TraceCheckSpWp]: Trace formula consists of 157 conjuncts, 44 conjunts are in the unsatisfiable core [2023-02-18 02:53:47,827 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-02-18 02:53:48,097 INFO L134 CoverageAnalysis]: Checked inductivity of 137 backedges. 35 proven. 26 refuted. 0 times theorem prover too weak. 76 trivial. 0 not checked. [2023-02-18 02:53:48,098 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-02-18 02:54:09,384 WARN L859 $PredicateComparison]: unable to prove that (let ((.cse1 (mod |c_ULTIMATE.start_main_~d~0#1| 4294967296)) (.cse0 (mod |c_ULTIMATE.start_main_~p~0#1| 4294967296))) (or (= .cse0 1) (not (= .cse1 (mod (* |c_ULTIMATE.start_main_~p~0#1| |c_ULTIMATE.start_main_~B~0#1|) 4294967296))) (>= (mod |c_ULTIMATE.start_main_~r~0#1| 4294967296) .cse1) (let ((.cse7 (= (mod |c_ULTIMATE.start_main_~p~0#1| 2) 0)) (.cse11 (< .cse0 0))) (let ((.cse6 (not .cse11)) (.cse2 (mod |c_ULTIMATE.start_main_~A~0#1| 4294967296)) (.cse3 (* |c_ULTIMATE.start_main_~B~0#1| (div .cse0 2))) (.cse4 (* |c_ULTIMATE.start_main_~B~0#1| |c_ULTIMATE.start_main_~q~0#1|)) (.cse5 (* 4294967295 (div .cse1 2))) (.cse8 (and (not .cse7) .cse11)) (.cse10 (< .cse1 0)) (.cse9 (= (mod |c_ULTIMATE.start_main_~d~0#1| 2) 0))) (and (or (and (or (= .cse2 (mod (+ .cse3 4294967295 .cse4 |c_ULTIMATE.start_main_~r~0#1| |c_ULTIMATE.start_main_~B~0#1| .cse5) 4294967296)) .cse6 .cse7) (or (= (mod (+ .cse3 4294967295 .cse4 |c_ULTIMATE.start_main_~r~0#1| .cse5) 4294967296) .cse2) .cse8)) .cse9 (not .cse10)) (or (and (or (= .cse2 (mod (+ .cse3 .cse4 |c_ULTIMATE.start_main_~r~0#1| |c_ULTIMATE.start_main_~B~0#1| .cse5) 4294967296)) .cse6 .cse7) (or (= .cse2 (mod (+ .cse3 .cse4 |c_ULTIMATE.start_main_~r~0#1| .cse5) 4294967296)) .cse8)) (and .cse10 (not .cse9)))))))) is different from true [2023-02-18 02:55:23,223 WARN L837 $PredicateComparison]: unable to prove that (forall ((|aux_div_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_v_ULTIMATE.start_main_~A~0#1_BEFORE_CALL_35_62_73_84_95_106_118_130_142_154_166_467_587| Int) (|aux_div_aux_mod_v_ULTIMATE.start_main_~A~0#1_BEFORE_CALL_35_62_73| Int) (|aux_div_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_v_ULTIMATE.start_main_~A~0#1_BEFORE_CALL_35_62_73_84_95_106_118_130_142_154_166| Int) (|aux_div_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_v_ULTIMATE.start_main_~A~0#1_BEFORE_CALL_35_62_73_84_95_106_118_130_142| Int) (|aux_div_aux_mod_v_ULTIMATE.start_main_~r~0#1_BEFORE_CALL_35_62_73| Int) (|aux_div_aux_mod_v_ULTIMATE.start_main_~p~0#1_BEFORE_CALL_33_62_73| Int) (|aux_div_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_v_ULTIMATE.start_main_~A~0#1_BEFORE_CALL_35_62_73_84_95_106_118_130| Int) (|aux_mod_aux_mod_aux_mod_v_ULTIMATE.start_main_~p~0#1_BEFORE_CALL_33_62_73_84| Int) (|aux_div_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_v_ULTIMATE.start_main_~A~0#1_BEFORE_CALL_35_62_73_84_95_106_118_130_142_154_166_467| Int) (|aux_div_aux_mod_aux_mod_aux_mod_aux_mod_v_ULTIMATE.start_main_~A~0#1_BEFORE_CALL_35_62_73_84_95_106| Int) (|aux_div_v_ULTIMATE.start_main_~d~0#1_BEFORE_CALL_36_62| Int) (|aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_v_ULTIMATE.start_main_~A~0#1_BEFORE_CALL_35_62_73_84_95_106_118_130_142_154_166_467_587| Int) (|aux_div_aux_mod_aux_mod_v_ULTIMATE.start_main_~A~0#1_BEFORE_CALL_35_62_73_84| Int) (|aux_div_aux_mod_aux_mod_v_ULTIMATE.start_main_~r~0#1_BEFORE_CALL_35_62_73_362| Int) (|v_ULTIMATE.start_main_~B~0#1_BEFORE_CALL_39| Int) (|aux_div_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_v_ULTIMATE.start_main_~A~0#1_BEFORE_CALL_35_62_73_84_95_106_118_130_142_154| Int) (|aux_div_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_v_ULTIMATE.start_main_~A~0#1_BEFORE_CALL_35_62_73_84_95_106_118| Int) (|v_ULTIMATE.start_main_~q~0#1_BEFORE_CALL_37| Int) (|aux_div_aux_mod_aux_mod_aux_mod_v_ULTIMATE.start_main_~A~0#1_BEFORE_CALL_35_62_73_84_95| Int) (|aux_div_aux_mod_aux_mod_v_ULTIMATE.start_main_~p~0#1_BEFORE_CALL_33_62_73_84| Int) (|aux_div_aux_mod_aux_mod_aux_mod_v_ULTIMATE.start_main_~r~0#1_BEFORE_CALL_35_62_73_362_471| Int)) (let ((.cse9 (mod (* |v_ULTIMATE.start_main_~B~0#1_BEFORE_CALL_39| |aux_mod_aux_mod_aux_mod_v_ULTIMATE.start_main_~p~0#1_BEFORE_CALL_33_62_73_84|) 2147483648))) (let ((.cse1 (* (- 1) .cse9)) (.cse2 (* |v_ULTIMATE.start_main_~B~0#1_BEFORE_CALL_39| (- 4294967295) |v_ULTIMATE.start_main_~q~0#1_BEFORE_CALL_37|))) (let ((.cse6 (* .cse9 (- 4294967295))) (.cse13 (+ .cse1 .cse2 (* |v_ULTIMATE.start_main_~B~0#1_BEFORE_CALL_39| |aux_mod_aux_mod_aux_mod_v_ULTIMATE.start_main_~p~0#1_BEFORE_CALL_33_62_73_84| (- 4294967295)) (* |aux_div_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_v_ULTIMATE.start_main_~A~0#1_BEFORE_CALL_35_62_73_84_95_106_118_130_142_154_166_467_587| 4294967296) |aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_v_ULTIMATE.start_main_~A~0#1_BEFORE_CALL_35_62_73_84_95_106_118_130_142_154_166_467_587|)) (.cse8 (* (- 1) |v_ULTIMATE.start_main_~B~0#1_BEFORE_CALL_39| |v_ULTIMATE.start_main_~q~0#1_BEFORE_CALL_37|))) (let ((.cse23 (+ (* (- 1) |v_ULTIMATE.start_main_~B~0#1_BEFORE_CALL_39| |aux_mod_aux_mod_aux_mod_v_ULTIMATE.start_main_~p~0#1_BEFORE_CALL_33_62_73_84|) .cse6 .cse13 .cse8 (* |aux_div_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_v_ULTIMATE.start_main_~A~0#1_BEFORE_CALL_35_62_73_84_95_106_118_130_142_154_166_467| 4294967296)))) (let ((.cse20 (+ .cse23 (* |aux_div_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_v_ULTIMATE.start_main_~A~0#1_BEFORE_CALL_35_62_73_84_95_106_118_130_142_154_166| 4294967296)))) (let ((.cse15 (+ (* |aux_div_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_v_ULTIMATE.start_main_~A~0#1_BEFORE_CALL_35_62_73_84_95_106_118_130_142_154| 4294967296) .cse20))) (let ((.cse3 (+ .cse15 (* |aux_div_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_v_ULTIMATE.start_main_~A~0#1_BEFORE_CALL_35_62_73_84_95_106_118_130_142| 4294967296)))) (let ((.cse10 (+ .cse3 (* |aux_div_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_v_ULTIMATE.start_main_~A~0#1_BEFORE_CALL_35_62_73_84_95_106_118_130| 4294967296)))) (let ((.cse21 (+ .cse10 (* 4294967296 |aux_div_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_v_ULTIMATE.start_main_~A~0#1_BEFORE_CALL_35_62_73_84_95_106_118|)))) (let ((.cse19 (+ (* |aux_div_aux_mod_aux_mod_aux_mod_aux_mod_v_ULTIMATE.start_main_~A~0#1_BEFORE_CALL_35_62_73_84_95_106| 4294967296) .cse21))) (let ((.cse18 (+ .cse19 (* |aux_div_aux_mod_aux_mod_aux_mod_v_ULTIMATE.start_main_~A~0#1_BEFORE_CALL_35_62_73_84_95| 4294967296)))) (let ((.cse12 (+ (* 4294967296 |aux_div_aux_mod_aux_mod_v_ULTIMATE.start_main_~A~0#1_BEFORE_CALL_35_62_73_84|) .cse18)) (.cse22 (+ (* |aux_div_aux_mod_aux_mod_v_ULTIMATE.start_main_~p~0#1_BEFORE_CALL_33_62_73_84| 2147483648) |aux_mod_aux_mod_aux_mod_v_ULTIMATE.start_main_~p~0#1_BEFORE_CALL_33_62_73_84|))) (let ((.cse14 (* 4294967296 |aux_div_aux_mod_v_ULTIMATE.start_main_~r~0#1_BEFORE_CALL_35_62_73|)) (.cse16 (+ .cse22 (* |aux_div_aux_mod_v_ULTIMATE.start_main_~p~0#1_BEFORE_CALL_33_62_73| 2147483648))) (.cse11 (+ .cse12 (* |aux_div_aux_mod_v_ULTIMATE.start_main_~A~0#1_BEFORE_CALL_35_62_73| 4294967296))) (.cse0 (* (- 1) |v_ULTIMATE.start_main_~B~0#1_BEFORE_CALL_39| .cse22)) (.cse4 (* |v_ULTIMATE.start_main_~B~0#1_BEFORE_CALL_39| .cse22 (- 4294967295))) (.cse5 (* 4294967296 |aux_div_aux_mod_aux_mod_aux_mod_v_ULTIMATE.start_main_~r~0#1_BEFORE_CALL_35_62_73_362_471|)) (.cse7 (* |aux_div_aux_mod_aux_mod_v_ULTIMATE.start_main_~r~0#1_BEFORE_CALL_35_62_73_362| 4294967296))) (or (>= (+ .cse0 (+ .cse1 .cse2 .cse3 .cse4 .cse5) .cse6 .cse7 .cse8) (* .cse9 2)) (> 0 .cse10) (> 0 |aux_mod_aux_mod_aux_mod_v_ULTIMATE.start_main_~p~0#1_BEFORE_CALL_33_62_73_84|) (> 0 .cse11) (> 0 (+ .cse1 .cse2 .cse4 .cse12 .cse5)) (> 0 .cse9) (>= .cse13 4294967296) (>= .cse3 4294967296) (>= (+ .cse14 (+ .cse0 .cse6 (+ .cse1 .cse2 .cse4 .cse15 .cse5) .cse7 .cse8)) 4294967296) (>= .cse10 4294967296) (> 0 .cse16) (not (>= (+ (+ .cse0 .cse6 .cse7 .cse8 (+ .cse1 .cse2 .cse4 .cse11 .cse5)) .cse14) (mod (+ .cse9 (* |aux_div_v_ULTIMATE.start_main_~d~0#1_BEFORE_CALL_36_62| 2147483648)) 4294967296))) (let ((.cse17 (mod |aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_v_ULTIMATE.start_main_~A~0#1_BEFORE_CALL_35_62_73_84_95_106_118_130_142_154_166_467_587| 4294967296))) (= .cse17 (+ .cse1 .cse2 .cse4 .cse17 .cse5))) (>= |aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_v_ULTIMATE.start_main_~A~0#1_BEFORE_CALL_35_62_73_84_95_106_118_130_142_154_166_467_587| 4294967296) (> 0 .cse13) (>= |aux_mod_aux_mod_aux_mod_v_ULTIMATE.start_main_~p~0#1_BEFORE_CALL_33_62_73_84| 2147483648) (>= (+ .cse0 .cse6 .cse7 .cse8 (+ .cse1 .cse2 .cse4 .cse5 .cse18)) 4294967296) (> 0 .cse19) (>= .cse9 2147483648) (> 0 (+ .cse14 (+ .cse0 (+ .cse1 .cse2 .cse4 .cse10 .cse5) .cse6 .cse7 .cse8))) (> 0 |aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_v_ULTIMATE.start_main_~A~0#1_BEFORE_CALL_35_62_73_84_95_106_118_130_142_154_166_467_587|) (> 0 .cse12) (= (* 2 .cse16) 1) (>= (+ .cse1 .cse2 .cse4 .cse5 .cse20) 4294967296) (>= .cse21 4294967296) (>= .cse19 4294967296) (> 0 .cse22) (>= .cse18 4294967296) (> 0 .cse15) (>= .cse16 2147483648) (>= .cse11 4294967296) (>= .cse23 4294967296) (not (= .cse13 |aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_v_ULTIMATE.start_main_~A~0#1_BEFORE_CALL_35_62_73_84_95_106_118_130_142_154_166_467_587|)) (>= .cse12 4294967296) (> 0 .cse20) (> 0 .cse21) (>= .cse20 4294967296) (>= .cse22 2147483648) (> 0 (+ .cse0 .cse6 (+ .cse1 .cse2 .cse4 .cse23 .cse5) .cse7 .cse8)) (> 0 .cse23) (>= .cse15 4294967296) (> 0 .cse3) (> 0 .cse18)))))))))))))))) is different from false [2023-02-18 02:55:25,230 WARN L859 $PredicateComparison]: unable to prove that (forall ((|aux_div_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_v_ULTIMATE.start_main_~A~0#1_BEFORE_CALL_35_62_73_84_95_106_118_130_142_154_166_467_587| Int) (|aux_div_aux_mod_v_ULTIMATE.start_main_~A~0#1_BEFORE_CALL_35_62_73| Int) (|aux_div_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_v_ULTIMATE.start_main_~A~0#1_BEFORE_CALL_35_62_73_84_95_106_118_130_142_154_166| Int) (|aux_div_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_v_ULTIMATE.start_main_~A~0#1_BEFORE_CALL_35_62_73_84_95_106_118_130_142| Int) (|aux_div_aux_mod_v_ULTIMATE.start_main_~r~0#1_BEFORE_CALL_35_62_73| Int) (|aux_div_aux_mod_v_ULTIMATE.start_main_~p~0#1_BEFORE_CALL_33_62_73| Int) (|aux_div_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_v_ULTIMATE.start_main_~A~0#1_BEFORE_CALL_35_62_73_84_95_106_118_130| Int) (|aux_mod_aux_mod_aux_mod_v_ULTIMATE.start_main_~p~0#1_BEFORE_CALL_33_62_73_84| Int) (|aux_div_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_v_ULTIMATE.start_main_~A~0#1_BEFORE_CALL_35_62_73_84_95_106_118_130_142_154_166_467| Int) (|aux_div_aux_mod_aux_mod_aux_mod_aux_mod_v_ULTIMATE.start_main_~A~0#1_BEFORE_CALL_35_62_73_84_95_106| Int) (|aux_div_v_ULTIMATE.start_main_~d~0#1_BEFORE_CALL_36_62| Int) (|aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_v_ULTIMATE.start_main_~A~0#1_BEFORE_CALL_35_62_73_84_95_106_118_130_142_154_166_467_587| Int) (|aux_div_aux_mod_aux_mod_v_ULTIMATE.start_main_~A~0#1_BEFORE_CALL_35_62_73_84| Int) (|aux_div_aux_mod_aux_mod_v_ULTIMATE.start_main_~r~0#1_BEFORE_CALL_35_62_73_362| Int) (|v_ULTIMATE.start_main_~B~0#1_BEFORE_CALL_39| Int) (|aux_div_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_v_ULTIMATE.start_main_~A~0#1_BEFORE_CALL_35_62_73_84_95_106_118_130_142_154| Int) (|aux_div_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_v_ULTIMATE.start_main_~A~0#1_BEFORE_CALL_35_62_73_84_95_106_118| Int) (|v_ULTIMATE.start_main_~q~0#1_BEFORE_CALL_37| Int) (|aux_div_aux_mod_aux_mod_aux_mod_v_ULTIMATE.start_main_~A~0#1_BEFORE_CALL_35_62_73_84_95| Int) (|aux_div_aux_mod_aux_mod_v_ULTIMATE.start_main_~p~0#1_BEFORE_CALL_33_62_73_84| Int) (|aux_div_aux_mod_aux_mod_aux_mod_v_ULTIMATE.start_main_~r~0#1_BEFORE_CALL_35_62_73_362_471| Int)) (let ((.cse9 (mod (* |v_ULTIMATE.start_main_~B~0#1_BEFORE_CALL_39| |aux_mod_aux_mod_aux_mod_v_ULTIMATE.start_main_~p~0#1_BEFORE_CALL_33_62_73_84|) 2147483648))) (let ((.cse1 (* (- 1) .cse9)) (.cse2 (* |v_ULTIMATE.start_main_~B~0#1_BEFORE_CALL_39| (- 4294967295) |v_ULTIMATE.start_main_~q~0#1_BEFORE_CALL_37|))) (let ((.cse6 (* .cse9 (- 4294967295))) (.cse13 (+ .cse1 .cse2 (* |v_ULTIMATE.start_main_~B~0#1_BEFORE_CALL_39| |aux_mod_aux_mod_aux_mod_v_ULTIMATE.start_main_~p~0#1_BEFORE_CALL_33_62_73_84| (- 4294967295)) (* |aux_div_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_v_ULTIMATE.start_main_~A~0#1_BEFORE_CALL_35_62_73_84_95_106_118_130_142_154_166_467_587| 4294967296) |aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_v_ULTIMATE.start_main_~A~0#1_BEFORE_CALL_35_62_73_84_95_106_118_130_142_154_166_467_587|)) (.cse8 (* (- 1) |v_ULTIMATE.start_main_~B~0#1_BEFORE_CALL_39| |v_ULTIMATE.start_main_~q~0#1_BEFORE_CALL_37|))) (let ((.cse23 (+ (* (- 1) |v_ULTIMATE.start_main_~B~0#1_BEFORE_CALL_39| |aux_mod_aux_mod_aux_mod_v_ULTIMATE.start_main_~p~0#1_BEFORE_CALL_33_62_73_84|) .cse6 .cse13 .cse8 (* |aux_div_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_v_ULTIMATE.start_main_~A~0#1_BEFORE_CALL_35_62_73_84_95_106_118_130_142_154_166_467| 4294967296)))) (let ((.cse20 (+ .cse23 (* |aux_div_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_v_ULTIMATE.start_main_~A~0#1_BEFORE_CALL_35_62_73_84_95_106_118_130_142_154_166| 4294967296)))) (let ((.cse15 (+ (* |aux_div_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_v_ULTIMATE.start_main_~A~0#1_BEFORE_CALL_35_62_73_84_95_106_118_130_142_154| 4294967296) .cse20))) (let ((.cse3 (+ .cse15 (* |aux_div_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_v_ULTIMATE.start_main_~A~0#1_BEFORE_CALL_35_62_73_84_95_106_118_130_142| 4294967296)))) (let ((.cse10 (+ .cse3 (* |aux_div_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_v_ULTIMATE.start_main_~A~0#1_BEFORE_CALL_35_62_73_84_95_106_118_130| 4294967296)))) (let ((.cse21 (+ .cse10 (* 4294967296 |aux_div_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_v_ULTIMATE.start_main_~A~0#1_BEFORE_CALL_35_62_73_84_95_106_118|)))) (let ((.cse19 (+ (* |aux_div_aux_mod_aux_mod_aux_mod_aux_mod_v_ULTIMATE.start_main_~A~0#1_BEFORE_CALL_35_62_73_84_95_106| 4294967296) .cse21))) (let ((.cse18 (+ .cse19 (* |aux_div_aux_mod_aux_mod_aux_mod_v_ULTIMATE.start_main_~A~0#1_BEFORE_CALL_35_62_73_84_95| 4294967296)))) (let ((.cse12 (+ (* 4294967296 |aux_div_aux_mod_aux_mod_v_ULTIMATE.start_main_~A~0#1_BEFORE_CALL_35_62_73_84|) .cse18)) (.cse22 (+ (* |aux_div_aux_mod_aux_mod_v_ULTIMATE.start_main_~p~0#1_BEFORE_CALL_33_62_73_84| 2147483648) |aux_mod_aux_mod_aux_mod_v_ULTIMATE.start_main_~p~0#1_BEFORE_CALL_33_62_73_84|))) (let ((.cse14 (* 4294967296 |aux_div_aux_mod_v_ULTIMATE.start_main_~r~0#1_BEFORE_CALL_35_62_73|)) (.cse16 (+ .cse22 (* |aux_div_aux_mod_v_ULTIMATE.start_main_~p~0#1_BEFORE_CALL_33_62_73| 2147483648))) (.cse11 (+ .cse12 (* |aux_div_aux_mod_v_ULTIMATE.start_main_~A~0#1_BEFORE_CALL_35_62_73| 4294967296))) (.cse0 (* (- 1) |v_ULTIMATE.start_main_~B~0#1_BEFORE_CALL_39| .cse22)) (.cse4 (* |v_ULTIMATE.start_main_~B~0#1_BEFORE_CALL_39| .cse22 (- 4294967295))) (.cse5 (* 4294967296 |aux_div_aux_mod_aux_mod_aux_mod_v_ULTIMATE.start_main_~r~0#1_BEFORE_CALL_35_62_73_362_471|)) (.cse7 (* |aux_div_aux_mod_aux_mod_v_ULTIMATE.start_main_~r~0#1_BEFORE_CALL_35_62_73_362| 4294967296))) (or (>= (+ .cse0 (+ .cse1 .cse2 .cse3 .cse4 .cse5) .cse6 .cse7 .cse8) (* .cse9 2)) (> 0 .cse10) (> 0 |aux_mod_aux_mod_aux_mod_v_ULTIMATE.start_main_~p~0#1_BEFORE_CALL_33_62_73_84|) (> 0 .cse11) (> 0 (+ .cse1 .cse2 .cse4 .cse12 .cse5)) (> 0 .cse9) (>= .cse13 4294967296) (>= .cse3 4294967296) (>= (+ .cse14 (+ .cse0 .cse6 (+ .cse1 .cse2 .cse4 .cse15 .cse5) .cse7 .cse8)) 4294967296) (>= .cse10 4294967296) (> 0 .cse16) (not (>= (+ (+ .cse0 .cse6 .cse7 .cse8 (+ .cse1 .cse2 .cse4 .cse11 .cse5)) .cse14) (mod (+ .cse9 (* |aux_div_v_ULTIMATE.start_main_~d~0#1_BEFORE_CALL_36_62| 2147483648)) 4294967296))) (let ((.cse17 (mod |aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_v_ULTIMATE.start_main_~A~0#1_BEFORE_CALL_35_62_73_84_95_106_118_130_142_154_166_467_587| 4294967296))) (= .cse17 (+ .cse1 .cse2 .cse4 .cse17 .cse5))) (>= |aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_v_ULTIMATE.start_main_~A~0#1_BEFORE_CALL_35_62_73_84_95_106_118_130_142_154_166_467_587| 4294967296) (> 0 .cse13) (>= |aux_mod_aux_mod_aux_mod_v_ULTIMATE.start_main_~p~0#1_BEFORE_CALL_33_62_73_84| 2147483648) (>= (+ .cse0 .cse6 .cse7 .cse8 (+ .cse1 .cse2 .cse4 .cse5 .cse18)) 4294967296) (> 0 .cse19) (>= .cse9 2147483648) (> 0 (+ .cse14 (+ .cse0 (+ .cse1 .cse2 .cse4 .cse10 .cse5) .cse6 .cse7 .cse8))) (> 0 |aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_v_ULTIMATE.start_main_~A~0#1_BEFORE_CALL_35_62_73_84_95_106_118_130_142_154_166_467_587|) (> 0 .cse12) (= (* 2 .cse16) 1) (>= (+ .cse1 .cse2 .cse4 .cse5 .cse20) 4294967296) (>= .cse21 4294967296) (>= .cse19 4294967296) (> 0 .cse22) (>= .cse18 4294967296) (> 0 .cse15) (>= .cse16 2147483648) (>= .cse11 4294967296) (>= .cse23 4294967296) (not (= .cse13 |aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_v_ULTIMATE.start_main_~A~0#1_BEFORE_CALL_35_62_73_84_95_106_118_130_142_154_166_467_587|)) (>= .cse12 4294967296) (> 0 .cse20) (> 0 .cse21) (>= .cse20 4294967296) (>= .cse22 2147483648) (> 0 (+ .cse0 .cse6 (+ .cse1 .cse2 .cse4 .cse23 .cse5) .cse7 .cse8)) (> 0 .cse23) (>= .cse15 4294967296) (> 0 .cse3) (> 0 .cse18)))))))))))))))) is different from true [2023-02-18 02:55:35,094 WARN L859 $PredicateComparison]: unable to prove that (forall ((|aux_div_aux_mod_aux_mod_ULTIMATE.start_main_~A~0#1_45_56_67| Int) (|aux_div_aux_mod_ULTIMATE.start_main_~A~0#1_45_56| Int) (|aux_div_aux_mod_aux_mod_aux_mod_ULTIMATE.start_main_~A~0#1_45_56_67_172| Int) (|aux_mod_aux_mod_aux_mod_aux_mod_ULTIMATE.start_main_~A~0#1_45_56_67_172| Int)) (let ((.cse3 (mod |c_ULTIMATE.start_main_~B~0#1| 2147483648))) (let ((.cse0 (+ (* .cse3 (- 4294967295)) (* (- 1) |c_ULTIMATE.start_main_~B~0#1|) |aux_mod_aux_mod_aux_mod_aux_mod_ULTIMATE.start_main_~A~0#1_45_56_67_172| (* |aux_div_aux_mod_aux_mod_aux_mod_ULTIMATE.start_main_~A~0#1_45_56_67_172| 4294967296)))) (let ((.cse1 (+ .cse0 (* |aux_div_aux_mod_aux_mod_ULTIMATE.start_main_~A~0#1_45_56_67| 4294967296)))) (let ((.cse2 (+ .cse1 (* |aux_div_aux_mod_ULTIMATE.start_main_~A~0#1_45_56| 4294967296)))) (or (>= |aux_mod_aux_mod_aux_mod_aux_mod_ULTIMATE.start_main_~A~0#1_45_56_67_172| 4294967296) (>= .cse0 4294967296) (> 0 .cse1) (> 0 |aux_mod_aux_mod_aux_mod_aux_mod_ULTIMATE.start_main_~A~0#1_45_56_67_172|) (> 0 .cse2) (not (>= .cse2 (mod |c_ULTIMATE.start_main_~B~0#1| 4294967296))) (> 0 .cse0) (>= .cse1 4294967296) (>= .cse1 (* .cse3 2)) (>= .cse2 4294967296) (= .cse0 |aux_mod_aux_mod_aux_mod_aux_mod_ULTIMATE.start_main_~A~0#1_45_56_67_172|))))))) is different from true [2023-02-18 02:55:37,114 WARN L859 $PredicateComparison]: unable to prove that (or (forall ((|aux_div_aux_mod_aux_mod_ULTIMATE.start_main_~A~0#1_45_56_67| Int) (|aux_div_aux_mod_ULTIMATE.start_main_~A~0#1_45_56| Int) (|aux_div_aux_mod_aux_mod_aux_mod_ULTIMATE.start_main_~A~0#1_45_56_67_172| Int) (|aux_mod_aux_mod_aux_mod_aux_mod_ULTIMATE.start_main_~A~0#1_45_56_67_172| Int)) (let ((.cse3 (mod |c_ULTIMATE.start_main_~B~0#1| 2147483648))) (let ((.cse0 (+ (* .cse3 (- 4294967295)) (* (- 1) |c_ULTIMATE.start_main_~B~0#1|) |aux_mod_aux_mod_aux_mod_aux_mod_ULTIMATE.start_main_~A~0#1_45_56_67_172| (* |aux_div_aux_mod_aux_mod_aux_mod_ULTIMATE.start_main_~A~0#1_45_56_67_172| 4294967296)))) (let ((.cse1 (+ .cse0 (* |aux_div_aux_mod_aux_mod_ULTIMATE.start_main_~A~0#1_45_56_67| 4294967296)))) (let ((.cse2 (+ .cse1 (* |aux_div_aux_mod_ULTIMATE.start_main_~A~0#1_45_56| 4294967296)))) (or (>= |aux_mod_aux_mod_aux_mod_aux_mod_ULTIMATE.start_main_~A~0#1_45_56_67_172| 4294967296) (>= .cse0 4294967296) (> 0 .cse1) (> 0 |aux_mod_aux_mod_aux_mod_aux_mod_ULTIMATE.start_main_~A~0#1_45_56_67_172|) (> 0 .cse2) (not (>= .cse2 (mod |c_ULTIMATE.start_main_~B~0#1| 4294967296))) (> 0 .cse0) (>= .cse1 4294967296) (>= .cse1 (* .cse3 2)) (>= .cse2 4294967296) (= .cse0 |aux_mod_aux_mod_aux_mod_aux_mod_ULTIMATE.start_main_~A~0#1_45_56_67_172|))))))) (= |c_ULTIMATE.start_assume_abort_if_not_~cond#1| 0)) is different from true [2023-02-18 02:55:39,998 INFO L134 CoverageAnalysis]: Checked inductivity of 137 backedges. 27 proven. 20 refuted. 22 times theorem prover too weak. 54 trivial. 14 not checked. [2023-02-18 02:55:39,998 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-18 02:55:39,998 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1946291483] [2023-02-18 02:55:39,998 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-02-18 02:55:39,998 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1544174327] [2023-02-18 02:55:39,998 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1544174327] provided 0 perfect and 2 imperfect interpolant sequences [2023-02-18 02:55:39,999 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-02-18 02:55:39,999 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 15] total 25 [2023-02-18 02:55:39,999 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [847029753] [2023-02-18 02:55:39,999 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-02-18 02:55:39,999 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 25 states [2023-02-18 02:55:39,999 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-18 02:55:40,000 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2023-02-18 02:55:40,000 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=84, Invalid=336, Unknown=16, NotChecked=164, Total=600 [2023-02-18 02:55:40,000 INFO L87 Difference]: Start difference. First operand 228 states and 268 transitions. Second operand has 25 states, 25 states have (on average 1.88) internal successors, (47), 22 states have internal predecessors, (47), 9 states have call successors, (18), 4 states have call predecessors, (18), 3 states have return successors, (16), 8 states have call predecessors, (16), 7 states have call successors, (16) [2023-02-18 02:55:42,004 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2023-02-18 02:55:44,007 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2023-02-18 02:55:48,415 WARN L837 $PredicateComparison]: unable to prove that (and (forall ((|aux_div_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_v_ULTIMATE.start_main_~A~0#1_BEFORE_CALL_35_62_73_84_95_106_118_130_142_154_166_467_587| Int) (|aux_div_aux_mod_v_ULTIMATE.start_main_~A~0#1_BEFORE_CALL_35_62_73| Int) (|aux_div_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_v_ULTIMATE.start_main_~A~0#1_BEFORE_CALL_35_62_73_84_95_106_118_130_142_154_166| Int) (|aux_div_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_v_ULTIMATE.start_main_~A~0#1_BEFORE_CALL_35_62_73_84_95_106_118_130_142| Int) (|aux_div_aux_mod_v_ULTIMATE.start_main_~r~0#1_BEFORE_CALL_35_62_73| Int) (|aux_div_aux_mod_v_ULTIMATE.start_main_~p~0#1_BEFORE_CALL_33_62_73| Int) (|aux_div_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_v_ULTIMATE.start_main_~A~0#1_BEFORE_CALL_35_62_73_84_95_106_118_130| Int) (|aux_mod_aux_mod_aux_mod_v_ULTIMATE.start_main_~p~0#1_BEFORE_CALL_33_62_73_84| Int) (|aux_div_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_v_ULTIMATE.start_main_~A~0#1_BEFORE_CALL_35_62_73_84_95_106_118_130_142_154_166_467| Int) (|aux_div_aux_mod_aux_mod_aux_mod_aux_mod_v_ULTIMATE.start_main_~A~0#1_BEFORE_CALL_35_62_73_84_95_106| Int) (|aux_div_v_ULTIMATE.start_main_~d~0#1_BEFORE_CALL_36_62| Int) (|aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_v_ULTIMATE.start_main_~A~0#1_BEFORE_CALL_35_62_73_84_95_106_118_130_142_154_166_467_587| Int) (|aux_div_aux_mod_aux_mod_v_ULTIMATE.start_main_~A~0#1_BEFORE_CALL_35_62_73_84| Int) (|aux_div_aux_mod_aux_mod_v_ULTIMATE.start_main_~r~0#1_BEFORE_CALL_35_62_73_362| Int) (|v_ULTIMATE.start_main_~B~0#1_BEFORE_CALL_39| Int) (|aux_div_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_v_ULTIMATE.start_main_~A~0#1_BEFORE_CALL_35_62_73_84_95_106_118_130_142_154| Int) (|aux_div_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_v_ULTIMATE.start_main_~A~0#1_BEFORE_CALL_35_62_73_84_95_106_118| Int) (|v_ULTIMATE.start_main_~q~0#1_BEFORE_CALL_37| Int) (|aux_div_aux_mod_aux_mod_aux_mod_v_ULTIMATE.start_main_~A~0#1_BEFORE_CALL_35_62_73_84_95| Int) (|aux_div_aux_mod_aux_mod_v_ULTIMATE.start_main_~p~0#1_BEFORE_CALL_33_62_73_84| Int) (|aux_div_aux_mod_aux_mod_aux_mod_v_ULTIMATE.start_main_~r~0#1_BEFORE_CALL_35_62_73_362_471| Int)) (let ((.cse9 (mod (* |v_ULTIMATE.start_main_~B~0#1_BEFORE_CALL_39| |aux_mod_aux_mod_aux_mod_v_ULTIMATE.start_main_~p~0#1_BEFORE_CALL_33_62_73_84|) 2147483648))) (let ((.cse1 (* (- 1) .cse9)) (.cse2 (* |v_ULTIMATE.start_main_~B~0#1_BEFORE_CALL_39| (- 4294967295) |v_ULTIMATE.start_main_~q~0#1_BEFORE_CALL_37|))) (let ((.cse6 (* .cse9 (- 4294967295))) (.cse13 (+ .cse1 .cse2 (* |v_ULTIMATE.start_main_~B~0#1_BEFORE_CALL_39| |aux_mod_aux_mod_aux_mod_v_ULTIMATE.start_main_~p~0#1_BEFORE_CALL_33_62_73_84| (- 4294967295)) (* |aux_div_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_v_ULTIMATE.start_main_~A~0#1_BEFORE_CALL_35_62_73_84_95_106_118_130_142_154_166_467_587| 4294967296) |aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_v_ULTIMATE.start_main_~A~0#1_BEFORE_CALL_35_62_73_84_95_106_118_130_142_154_166_467_587|)) (.cse8 (* (- 1) |v_ULTIMATE.start_main_~B~0#1_BEFORE_CALL_39| |v_ULTIMATE.start_main_~q~0#1_BEFORE_CALL_37|))) (let ((.cse23 (+ (* (- 1) |v_ULTIMATE.start_main_~B~0#1_BEFORE_CALL_39| |aux_mod_aux_mod_aux_mod_v_ULTIMATE.start_main_~p~0#1_BEFORE_CALL_33_62_73_84|) .cse6 .cse13 .cse8 (* |aux_div_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_v_ULTIMATE.start_main_~A~0#1_BEFORE_CALL_35_62_73_84_95_106_118_130_142_154_166_467| 4294967296)))) (let ((.cse20 (+ .cse23 (* |aux_div_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_v_ULTIMATE.start_main_~A~0#1_BEFORE_CALL_35_62_73_84_95_106_118_130_142_154_166| 4294967296)))) (let ((.cse15 (+ (* |aux_div_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_v_ULTIMATE.start_main_~A~0#1_BEFORE_CALL_35_62_73_84_95_106_118_130_142_154| 4294967296) .cse20))) (let ((.cse3 (+ .cse15 (* |aux_div_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_v_ULTIMATE.start_main_~A~0#1_BEFORE_CALL_35_62_73_84_95_106_118_130_142| 4294967296)))) (let ((.cse10 (+ .cse3 (* |aux_div_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_v_ULTIMATE.start_main_~A~0#1_BEFORE_CALL_35_62_73_84_95_106_118_130| 4294967296)))) (let ((.cse21 (+ .cse10 (* 4294967296 |aux_div_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_v_ULTIMATE.start_main_~A~0#1_BEFORE_CALL_35_62_73_84_95_106_118|)))) (let ((.cse19 (+ (* |aux_div_aux_mod_aux_mod_aux_mod_aux_mod_v_ULTIMATE.start_main_~A~0#1_BEFORE_CALL_35_62_73_84_95_106| 4294967296) .cse21))) (let ((.cse18 (+ .cse19 (* |aux_div_aux_mod_aux_mod_aux_mod_v_ULTIMATE.start_main_~A~0#1_BEFORE_CALL_35_62_73_84_95| 4294967296)))) (let ((.cse12 (+ (* 4294967296 |aux_div_aux_mod_aux_mod_v_ULTIMATE.start_main_~A~0#1_BEFORE_CALL_35_62_73_84|) .cse18)) (.cse22 (+ (* |aux_div_aux_mod_aux_mod_v_ULTIMATE.start_main_~p~0#1_BEFORE_CALL_33_62_73_84| 2147483648) |aux_mod_aux_mod_aux_mod_v_ULTIMATE.start_main_~p~0#1_BEFORE_CALL_33_62_73_84|))) (let ((.cse14 (* 4294967296 |aux_div_aux_mod_v_ULTIMATE.start_main_~r~0#1_BEFORE_CALL_35_62_73|)) (.cse16 (+ .cse22 (* |aux_div_aux_mod_v_ULTIMATE.start_main_~p~0#1_BEFORE_CALL_33_62_73| 2147483648))) (.cse11 (+ .cse12 (* |aux_div_aux_mod_v_ULTIMATE.start_main_~A~0#1_BEFORE_CALL_35_62_73| 4294967296))) (.cse0 (* (- 1) |v_ULTIMATE.start_main_~B~0#1_BEFORE_CALL_39| .cse22)) (.cse4 (* |v_ULTIMATE.start_main_~B~0#1_BEFORE_CALL_39| .cse22 (- 4294967295))) (.cse5 (* 4294967296 |aux_div_aux_mod_aux_mod_aux_mod_v_ULTIMATE.start_main_~r~0#1_BEFORE_CALL_35_62_73_362_471|)) (.cse7 (* |aux_div_aux_mod_aux_mod_v_ULTIMATE.start_main_~r~0#1_BEFORE_CALL_35_62_73_362| 4294967296))) (or (>= (+ .cse0 (+ .cse1 .cse2 .cse3 .cse4 .cse5) .cse6 .cse7 .cse8) (* .cse9 2)) (> 0 .cse10) (> 0 |aux_mod_aux_mod_aux_mod_v_ULTIMATE.start_main_~p~0#1_BEFORE_CALL_33_62_73_84|) (> 0 .cse11) (> 0 (+ .cse1 .cse2 .cse4 .cse12 .cse5)) (> 0 .cse9) (>= .cse13 4294967296) (>= .cse3 4294967296) (>= (+ .cse14 (+ .cse0 .cse6 (+ .cse1 .cse2 .cse4 .cse15 .cse5) .cse7 .cse8)) 4294967296) (>= .cse10 4294967296) (> 0 .cse16) (not (>= (+ (+ .cse0 .cse6 .cse7 .cse8 (+ .cse1 .cse2 .cse4 .cse11 .cse5)) .cse14) (mod (+ .cse9 (* |aux_div_v_ULTIMATE.start_main_~d~0#1_BEFORE_CALL_36_62| 2147483648)) 4294967296))) (let ((.cse17 (mod |aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_v_ULTIMATE.start_main_~A~0#1_BEFORE_CALL_35_62_73_84_95_106_118_130_142_154_166_467_587| 4294967296))) (= .cse17 (+ .cse1 .cse2 .cse4 .cse17 .cse5))) (>= |aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_v_ULTIMATE.start_main_~A~0#1_BEFORE_CALL_35_62_73_84_95_106_118_130_142_154_166_467_587| 4294967296) (> 0 .cse13) (>= |aux_mod_aux_mod_aux_mod_v_ULTIMATE.start_main_~p~0#1_BEFORE_CALL_33_62_73_84| 2147483648) (>= (+ .cse0 .cse6 .cse7 .cse8 (+ .cse1 .cse2 .cse4 .cse5 .cse18)) 4294967296) (> 0 .cse19) (>= .cse9 2147483648) (> 0 (+ .cse14 (+ .cse0 (+ .cse1 .cse2 .cse4 .cse10 .cse5) .cse6 .cse7 .cse8))) (> 0 |aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_v_ULTIMATE.start_main_~A~0#1_BEFORE_CALL_35_62_73_84_95_106_118_130_142_154_166_467_587|) (> 0 .cse12) (= (* 2 .cse16) 1) (>= (+ .cse1 .cse2 .cse4 .cse5 .cse20) 4294967296) (>= .cse21 4294967296) (>= .cse19 4294967296) (> 0 .cse22) (>= .cse18 4294967296) (> 0 .cse15) (>= .cse16 2147483648) (>= .cse11 4294967296) (>= .cse23 4294967296) (not (= .cse13 |aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_v_ULTIMATE.start_main_~A~0#1_BEFORE_CALL_35_62_73_84_95_106_118_130_142_154_166_467_587|)) (>= .cse12 4294967296) (> 0 .cse20) (> 0 .cse21) (>= .cse20 4294967296) (>= .cse22 2147483648) (> 0 (+ .cse0 .cse6 (+ .cse1 .cse2 .cse4 .cse23 .cse5) .cse7 .cse8)) (> 0 .cse23) (>= .cse15 4294967296) (> 0 .cse3) (> 0 .cse18)))))))))))))))) (= |c___VERIFIER_assert_#in~cond| 1)) is different from false [2023-02-18 02:55:50,428 WARN L837 $PredicateComparison]: unable to prove that (and (= |c___VERIFIER_assert_#in~cond| c___VERIFIER_assert_~cond) (= c___VERIFIER_assert_~cond 1) (forall ((|aux_div_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_v_ULTIMATE.start_main_~A~0#1_BEFORE_CALL_35_62_73_84_95_106_118_130_142_154_166_467_587| Int) (|aux_div_aux_mod_v_ULTIMATE.start_main_~A~0#1_BEFORE_CALL_35_62_73| Int) (|aux_div_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_v_ULTIMATE.start_main_~A~0#1_BEFORE_CALL_35_62_73_84_95_106_118_130_142_154_166| Int) (|aux_div_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_v_ULTIMATE.start_main_~A~0#1_BEFORE_CALL_35_62_73_84_95_106_118_130_142| Int) (|aux_div_aux_mod_v_ULTIMATE.start_main_~r~0#1_BEFORE_CALL_35_62_73| Int) (|aux_div_aux_mod_v_ULTIMATE.start_main_~p~0#1_BEFORE_CALL_33_62_73| Int) (|aux_div_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_v_ULTIMATE.start_main_~A~0#1_BEFORE_CALL_35_62_73_84_95_106_118_130| Int) (|aux_mod_aux_mod_aux_mod_v_ULTIMATE.start_main_~p~0#1_BEFORE_CALL_33_62_73_84| Int) (|aux_div_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_v_ULTIMATE.start_main_~A~0#1_BEFORE_CALL_35_62_73_84_95_106_118_130_142_154_166_467| Int) (|aux_div_aux_mod_aux_mod_aux_mod_aux_mod_v_ULTIMATE.start_main_~A~0#1_BEFORE_CALL_35_62_73_84_95_106| Int) (|aux_div_v_ULTIMATE.start_main_~d~0#1_BEFORE_CALL_36_62| Int) (|aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_v_ULTIMATE.start_main_~A~0#1_BEFORE_CALL_35_62_73_84_95_106_118_130_142_154_166_467_587| Int) (|aux_div_aux_mod_aux_mod_v_ULTIMATE.start_main_~A~0#1_BEFORE_CALL_35_62_73_84| Int) (|aux_div_aux_mod_aux_mod_v_ULTIMATE.start_main_~r~0#1_BEFORE_CALL_35_62_73_362| Int) (|v_ULTIMATE.start_main_~B~0#1_BEFORE_CALL_39| Int) (|aux_div_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_v_ULTIMATE.start_main_~A~0#1_BEFORE_CALL_35_62_73_84_95_106_118_130_142_154| Int) (|aux_div_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_v_ULTIMATE.start_main_~A~0#1_BEFORE_CALL_35_62_73_84_95_106_118| Int) (|v_ULTIMATE.start_main_~q~0#1_BEFORE_CALL_37| Int) (|aux_div_aux_mod_aux_mod_aux_mod_v_ULTIMATE.start_main_~A~0#1_BEFORE_CALL_35_62_73_84_95| Int) (|aux_div_aux_mod_aux_mod_v_ULTIMATE.start_main_~p~0#1_BEFORE_CALL_33_62_73_84| Int) (|aux_div_aux_mod_aux_mod_aux_mod_v_ULTIMATE.start_main_~r~0#1_BEFORE_CALL_35_62_73_362_471| Int)) (let ((.cse9 (mod (* |v_ULTIMATE.start_main_~B~0#1_BEFORE_CALL_39| |aux_mod_aux_mod_aux_mod_v_ULTIMATE.start_main_~p~0#1_BEFORE_CALL_33_62_73_84|) 2147483648))) (let ((.cse1 (* (- 1) .cse9)) (.cse2 (* |v_ULTIMATE.start_main_~B~0#1_BEFORE_CALL_39| (- 4294967295) |v_ULTIMATE.start_main_~q~0#1_BEFORE_CALL_37|))) (let ((.cse6 (* .cse9 (- 4294967295))) (.cse13 (+ .cse1 .cse2 (* |v_ULTIMATE.start_main_~B~0#1_BEFORE_CALL_39| |aux_mod_aux_mod_aux_mod_v_ULTIMATE.start_main_~p~0#1_BEFORE_CALL_33_62_73_84| (- 4294967295)) (* |aux_div_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_v_ULTIMATE.start_main_~A~0#1_BEFORE_CALL_35_62_73_84_95_106_118_130_142_154_166_467_587| 4294967296) |aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_v_ULTIMATE.start_main_~A~0#1_BEFORE_CALL_35_62_73_84_95_106_118_130_142_154_166_467_587|)) (.cse8 (* (- 1) |v_ULTIMATE.start_main_~B~0#1_BEFORE_CALL_39| |v_ULTIMATE.start_main_~q~0#1_BEFORE_CALL_37|))) (let ((.cse23 (+ (* (- 1) |v_ULTIMATE.start_main_~B~0#1_BEFORE_CALL_39| |aux_mod_aux_mod_aux_mod_v_ULTIMATE.start_main_~p~0#1_BEFORE_CALL_33_62_73_84|) .cse6 .cse13 .cse8 (* |aux_div_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_v_ULTIMATE.start_main_~A~0#1_BEFORE_CALL_35_62_73_84_95_106_118_130_142_154_166_467| 4294967296)))) (let ((.cse20 (+ .cse23 (* |aux_div_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_v_ULTIMATE.start_main_~A~0#1_BEFORE_CALL_35_62_73_84_95_106_118_130_142_154_166| 4294967296)))) (let ((.cse15 (+ (* |aux_div_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_v_ULTIMATE.start_main_~A~0#1_BEFORE_CALL_35_62_73_84_95_106_118_130_142_154| 4294967296) .cse20))) (let ((.cse3 (+ .cse15 (* |aux_div_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_v_ULTIMATE.start_main_~A~0#1_BEFORE_CALL_35_62_73_84_95_106_118_130_142| 4294967296)))) (let ((.cse10 (+ .cse3 (* |aux_div_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_v_ULTIMATE.start_main_~A~0#1_BEFORE_CALL_35_62_73_84_95_106_118_130| 4294967296)))) (let ((.cse21 (+ .cse10 (* 4294967296 |aux_div_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_v_ULTIMATE.start_main_~A~0#1_BEFORE_CALL_35_62_73_84_95_106_118|)))) (let ((.cse19 (+ (* |aux_div_aux_mod_aux_mod_aux_mod_aux_mod_v_ULTIMATE.start_main_~A~0#1_BEFORE_CALL_35_62_73_84_95_106| 4294967296) .cse21))) (let ((.cse18 (+ .cse19 (* |aux_div_aux_mod_aux_mod_aux_mod_v_ULTIMATE.start_main_~A~0#1_BEFORE_CALL_35_62_73_84_95| 4294967296)))) (let ((.cse12 (+ (* 4294967296 |aux_div_aux_mod_aux_mod_v_ULTIMATE.start_main_~A~0#1_BEFORE_CALL_35_62_73_84|) .cse18)) (.cse22 (+ (* |aux_div_aux_mod_aux_mod_v_ULTIMATE.start_main_~p~0#1_BEFORE_CALL_33_62_73_84| 2147483648) |aux_mod_aux_mod_aux_mod_v_ULTIMATE.start_main_~p~0#1_BEFORE_CALL_33_62_73_84|))) (let ((.cse14 (* 4294967296 |aux_div_aux_mod_v_ULTIMATE.start_main_~r~0#1_BEFORE_CALL_35_62_73|)) (.cse16 (+ .cse22 (* |aux_div_aux_mod_v_ULTIMATE.start_main_~p~0#1_BEFORE_CALL_33_62_73| 2147483648))) (.cse11 (+ .cse12 (* |aux_div_aux_mod_v_ULTIMATE.start_main_~A~0#1_BEFORE_CALL_35_62_73| 4294967296))) (.cse0 (* (- 1) |v_ULTIMATE.start_main_~B~0#1_BEFORE_CALL_39| .cse22)) (.cse4 (* |v_ULTIMATE.start_main_~B~0#1_BEFORE_CALL_39| .cse22 (- 4294967295))) (.cse5 (* 4294967296 |aux_div_aux_mod_aux_mod_aux_mod_v_ULTIMATE.start_main_~r~0#1_BEFORE_CALL_35_62_73_362_471|)) (.cse7 (* |aux_div_aux_mod_aux_mod_v_ULTIMATE.start_main_~r~0#1_BEFORE_CALL_35_62_73_362| 4294967296))) (or (>= (+ .cse0 (+ .cse1 .cse2 .cse3 .cse4 .cse5) .cse6 .cse7 .cse8) (* .cse9 2)) (> 0 .cse10) (> 0 |aux_mod_aux_mod_aux_mod_v_ULTIMATE.start_main_~p~0#1_BEFORE_CALL_33_62_73_84|) (> 0 .cse11) (> 0 (+ .cse1 .cse2 .cse4 .cse12 .cse5)) (> 0 .cse9) (>= .cse13 4294967296) (>= .cse3 4294967296) (>= (+ .cse14 (+ .cse0 .cse6 (+ .cse1 .cse2 .cse4 .cse15 .cse5) .cse7 .cse8)) 4294967296) (>= .cse10 4294967296) (> 0 .cse16) (not (>= (+ (+ .cse0 .cse6 .cse7 .cse8 (+ .cse1 .cse2 .cse4 .cse11 .cse5)) .cse14) (mod (+ .cse9 (* |aux_div_v_ULTIMATE.start_main_~d~0#1_BEFORE_CALL_36_62| 2147483648)) 4294967296))) (let ((.cse17 (mod |aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_v_ULTIMATE.start_main_~A~0#1_BEFORE_CALL_35_62_73_84_95_106_118_130_142_154_166_467_587| 4294967296))) (= .cse17 (+ .cse1 .cse2 .cse4 .cse17 .cse5))) (>= |aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_v_ULTIMATE.start_main_~A~0#1_BEFORE_CALL_35_62_73_84_95_106_118_130_142_154_166_467_587| 4294967296) (> 0 .cse13) (>= |aux_mod_aux_mod_aux_mod_v_ULTIMATE.start_main_~p~0#1_BEFORE_CALL_33_62_73_84| 2147483648) (>= (+ .cse0 .cse6 .cse7 .cse8 (+ .cse1 .cse2 .cse4 .cse5 .cse18)) 4294967296) (> 0 .cse19) (>= .cse9 2147483648) (> 0 (+ .cse14 (+ .cse0 (+ .cse1 .cse2 .cse4 .cse10 .cse5) .cse6 .cse7 .cse8))) (> 0 |aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_v_ULTIMATE.start_main_~A~0#1_BEFORE_CALL_35_62_73_84_95_106_118_130_142_154_166_467_587|) (> 0 .cse12) (= (* 2 .cse16) 1) (>= (+ .cse1 .cse2 .cse4 .cse5 .cse20) 4294967296) (>= .cse21 4294967296) (>= .cse19 4294967296) (> 0 .cse22) (>= .cse18 4294967296) (> 0 .cse15) (>= .cse16 2147483648) (>= .cse11 4294967296) (>= .cse23 4294967296) (not (= .cse13 |aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_v_ULTIMATE.start_main_~A~0#1_BEFORE_CALL_35_62_73_84_95_106_118_130_142_154_166_467_587|)) (>= .cse12 4294967296) (> 0 .cse20) (> 0 .cse21) (>= .cse20 4294967296) (>= .cse22 2147483648) (> 0 (+ .cse0 .cse6 (+ .cse1 .cse2 .cse4 .cse23 .cse5) .cse7 .cse8)) (> 0 .cse23) (>= .cse15 4294967296) (> 0 .cse3) (> 0 .cse18))))))))))))))))) is different from false [2023-02-18 02:55:52,449 WARN L837 $PredicateComparison]: unable to prove that (and (not (= |c___VERIFIER_assert_#in~cond| 0)) (forall ((|aux_div_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_v_ULTIMATE.start_main_~A~0#1_BEFORE_CALL_35_62_73_84_95_106_118_130_142_154_166_467_587| Int) (|aux_div_aux_mod_v_ULTIMATE.start_main_~A~0#1_BEFORE_CALL_35_62_73| Int) (|aux_div_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_v_ULTIMATE.start_main_~A~0#1_BEFORE_CALL_35_62_73_84_95_106_118_130_142_154_166| Int) (|aux_div_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_v_ULTIMATE.start_main_~A~0#1_BEFORE_CALL_35_62_73_84_95_106_118_130_142| Int) (|aux_div_aux_mod_v_ULTIMATE.start_main_~r~0#1_BEFORE_CALL_35_62_73| Int) (|aux_div_aux_mod_v_ULTIMATE.start_main_~p~0#1_BEFORE_CALL_33_62_73| Int) (|aux_div_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_v_ULTIMATE.start_main_~A~0#1_BEFORE_CALL_35_62_73_84_95_106_118_130| Int) (|aux_mod_aux_mod_aux_mod_v_ULTIMATE.start_main_~p~0#1_BEFORE_CALL_33_62_73_84| Int) (|aux_div_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_v_ULTIMATE.start_main_~A~0#1_BEFORE_CALL_35_62_73_84_95_106_118_130_142_154_166_467| Int) (|aux_div_aux_mod_aux_mod_aux_mod_aux_mod_v_ULTIMATE.start_main_~A~0#1_BEFORE_CALL_35_62_73_84_95_106| Int) (|aux_div_v_ULTIMATE.start_main_~d~0#1_BEFORE_CALL_36_62| Int) (|aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_v_ULTIMATE.start_main_~A~0#1_BEFORE_CALL_35_62_73_84_95_106_118_130_142_154_166_467_587| Int) (|aux_div_aux_mod_aux_mod_v_ULTIMATE.start_main_~A~0#1_BEFORE_CALL_35_62_73_84| Int) (|aux_div_aux_mod_aux_mod_v_ULTIMATE.start_main_~r~0#1_BEFORE_CALL_35_62_73_362| Int) (|v_ULTIMATE.start_main_~B~0#1_BEFORE_CALL_39| Int) (|aux_div_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_v_ULTIMATE.start_main_~A~0#1_BEFORE_CALL_35_62_73_84_95_106_118_130_142_154| Int) (|aux_div_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_v_ULTIMATE.start_main_~A~0#1_BEFORE_CALL_35_62_73_84_95_106_118| Int) (|v_ULTIMATE.start_main_~q~0#1_BEFORE_CALL_37| Int) (|aux_div_aux_mod_aux_mod_aux_mod_v_ULTIMATE.start_main_~A~0#1_BEFORE_CALL_35_62_73_84_95| Int) (|aux_div_aux_mod_aux_mod_v_ULTIMATE.start_main_~p~0#1_BEFORE_CALL_33_62_73_84| Int) (|aux_div_aux_mod_aux_mod_aux_mod_v_ULTIMATE.start_main_~r~0#1_BEFORE_CALL_35_62_73_362_471| Int)) (let ((.cse9 (mod (* |v_ULTIMATE.start_main_~B~0#1_BEFORE_CALL_39| |aux_mod_aux_mod_aux_mod_v_ULTIMATE.start_main_~p~0#1_BEFORE_CALL_33_62_73_84|) 2147483648))) (let ((.cse1 (* (- 1) .cse9)) (.cse2 (* |v_ULTIMATE.start_main_~B~0#1_BEFORE_CALL_39| (- 4294967295) |v_ULTIMATE.start_main_~q~0#1_BEFORE_CALL_37|))) (let ((.cse6 (* .cse9 (- 4294967295))) (.cse13 (+ .cse1 .cse2 (* |v_ULTIMATE.start_main_~B~0#1_BEFORE_CALL_39| |aux_mod_aux_mod_aux_mod_v_ULTIMATE.start_main_~p~0#1_BEFORE_CALL_33_62_73_84| (- 4294967295)) (* |aux_div_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_v_ULTIMATE.start_main_~A~0#1_BEFORE_CALL_35_62_73_84_95_106_118_130_142_154_166_467_587| 4294967296) |aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_v_ULTIMATE.start_main_~A~0#1_BEFORE_CALL_35_62_73_84_95_106_118_130_142_154_166_467_587|)) (.cse8 (* (- 1) |v_ULTIMATE.start_main_~B~0#1_BEFORE_CALL_39| |v_ULTIMATE.start_main_~q~0#1_BEFORE_CALL_37|))) (let ((.cse23 (+ (* (- 1) |v_ULTIMATE.start_main_~B~0#1_BEFORE_CALL_39| |aux_mod_aux_mod_aux_mod_v_ULTIMATE.start_main_~p~0#1_BEFORE_CALL_33_62_73_84|) .cse6 .cse13 .cse8 (* |aux_div_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_v_ULTIMATE.start_main_~A~0#1_BEFORE_CALL_35_62_73_84_95_106_118_130_142_154_166_467| 4294967296)))) (let ((.cse20 (+ .cse23 (* |aux_div_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_v_ULTIMATE.start_main_~A~0#1_BEFORE_CALL_35_62_73_84_95_106_118_130_142_154_166| 4294967296)))) (let ((.cse15 (+ (* |aux_div_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_v_ULTIMATE.start_main_~A~0#1_BEFORE_CALL_35_62_73_84_95_106_118_130_142_154| 4294967296) .cse20))) (let ((.cse3 (+ .cse15 (* |aux_div_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_v_ULTIMATE.start_main_~A~0#1_BEFORE_CALL_35_62_73_84_95_106_118_130_142| 4294967296)))) (let ((.cse10 (+ .cse3 (* |aux_div_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_v_ULTIMATE.start_main_~A~0#1_BEFORE_CALL_35_62_73_84_95_106_118_130| 4294967296)))) (let ((.cse21 (+ .cse10 (* 4294967296 |aux_div_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_v_ULTIMATE.start_main_~A~0#1_BEFORE_CALL_35_62_73_84_95_106_118|)))) (let ((.cse19 (+ (* |aux_div_aux_mod_aux_mod_aux_mod_aux_mod_v_ULTIMATE.start_main_~A~0#1_BEFORE_CALL_35_62_73_84_95_106| 4294967296) .cse21))) (let ((.cse18 (+ .cse19 (* |aux_div_aux_mod_aux_mod_aux_mod_v_ULTIMATE.start_main_~A~0#1_BEFORE_CALL_35_62_73_84_95| 4294967296)))) (let ((.cse12 (+ (* 4294967296 |aux_div_aux_mod_aux_mod_v_ULTIMATE.start_main_~A~0#1_BEFORE_CALL_35_62_73_84|) .cse18)) (.cse22 (+ (* |aux_div_aux_mod_aux_mod_v_ULTIMATE.start_main_~p~0#1_BEFORE_CALL_33_62_73_84| 2147483648) |aux_mod_aux_mod_aux_mod_v_ULTIMATE.start_main_~p~0#1_BEFORE_CALL_33_62_73_84|))) (let ((.cse14 (* 4294967296 |aux_div_aux_mod_v_ULTIMATE.start_main_~r~0#1_BEFORE_CALL_35_62_73|)) (.cse16 (+ .cse22 (* |aux_div_aux_mod_v_ULTIMATE.start_main_~p~0#1_BEFORE_CALL_33_62_73| 2147483648))) (.cse11 (+ .cse12 (* |aux_div_aux_mod_v_ULTIMATE.start_main_~A~0#1_BEFORE_CALL_35_62_73| 4294967296))) (.cse0 (* (- 1) |v_ULTIMATE.start_main_~B~0#1_BEFORE_CALL_39| .cse22)) (.cse4 (* |v_ULTIMATE.start_main_~B~0#1_BEFORE_CALL_39| .cse22 (- 4294967295))) (.cse5 (* 4294967296 |aux_div_aux_mod_aux_mod_aux_mod_v_ULTIMATE.start_main_~r~0#1_BEFORE_CALL_35_62_73_362_471|)) (.cse7 (* |aux_div_aux_mod_aux_mod_v_ULTIMATE.start_main_~r~0#1_BEFORE_CALL_35_62_73_362| 4294967296))) (or (>= (+ .cse0 (+ .cse1 .cse2 .cse3 .cse4 .cse5) .cse6 .cse7 .cse8) (* .cse9 2)) (> 0 .cse10) (> 0 |aux_mod_aux_mod_aux_mod_v_ULTIMATE.start_main_~p~0#1_BEFORE_CALL_33_62_73_84|) (> 0 .cse11) (> 0 (+ .cse1 .cse2 .cse4 .cse12 .cse5)) (> 0 .cse9) (>= .cse13 4294967296) (>= .cse3 4294967296) (>= (+ .cse14 (+ .cse0 .cse6 (+ .cse1 .cse2 .cse4 .cse15 .cse5) .cse7 .cse8)) 4294967296) (>= .cse10 4294967296) (> 0 .cse16) (not (>= (+ (+ .cse0 .cse6 .cse7 .cse8 (+ .cse1 .cse2 .cse4 .cse11 .cse5)) .cse14) (mod (+ .cse9 (* |aux_div_v_ULTIMATE.start_main_~d~0#1_BEFORE_CALL_36_62| 2147483648)) 4294967296))) (let ((.cse17 (mod |aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_v_ULTIMATE.start_main_~A~0#1_BEFORE_CALL_35_62_73_84_95_106_118_130_142_154_166_467_587| 4294967296))) (= .cse17 (+ .cse1 .cse2 .cse4 .cse17 .cse5))) (>= |aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_v_ULTIMATE.start_main_~A~0#1_BEFORE_CALL_35_62_73_84_95_106_118_130_142_154_166_467_587| 4294967296) (> 0 .cse13) (>= |aux_mod_aux_mod_aux_mod_v_ULTIMATE.start_main_~p~0#1_BEFORE_CALL_33_62_73_84| 2147483648) (>= (+ .cse0 .cse6 .cse7 .cse8 (+ .cse1 .cse2 .cse4 .cse5 .cse18)) 4294967296) (> 0 .cse19) (>= .cse9 2147483648) (> 0 (+ .cse14 (+ .cse0 (+ .cse1 .cse2 .cse4 .cse10 .cse5) .cse6 .cse7 .cse8))) (> 0 |aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_v_ULTIMATE.start_main_~A~0#1_BEFORE_CALL_35_62_73_84_95_106_118_130_142_154_166_467_587|) (> 0 .cse12) (= (* 2 .cse16) 1) (>= (+ .cse1 .cse2 .cse4 .cse5 .cse20) 4294967296) (>= .cse21 4294967296) (>= .cse19 4294967296) (> 0 .cse22) (>= .cse18 4294967296) (> 0 .cse15) (>= .cse16 2147483648) (>= .cse11 4294967296) (>= .cse23 4294967296) (not (= .cse13 |aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_v_ULTIMATE.start_main_~A~0#1_BEFORE_CALL_35_62_73_84_95_106_118_130_142_154_166_467_587|)) (>= .cse12 4294967296) (> 0 .cse20) (> 0 .cse21) (>= .cse20 4294967296) (>= .cse22 2147483648) (> 0 (+ .cse0 .cse6 (+ .cse1 .cse2 .cse4 .cse23 .cse5) .cse7 .cse8)) (> 0 .cse23) (>= .cse15 4294967296) (> 0 .cse3) (> 0 .cse18))))))))))))))))) is different from false [2023-02-18 02:56:08,869 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2023-02-18 02:56:11,043 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2023-02-18 02:56:13,063 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2023-02-18 02:56:15,070 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2023-02-18 02:56:27,574 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2023-02-18 02:56:29,815 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2023-02-18 02:56:31,766 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.06s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2023-02-18 02:56:36,563 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2023-02-18 02:56:38,565 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2023-02-18 02:56:42,929 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2023-02-18 02:56:45,722 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2023-02-18 02:56:52,290 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2023-02-18 02:56:54,298 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2023-02-18 02:56:56,648 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2023-02-18 02:57:05,312 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.49s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2023-02-18 02:57:19,321 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2023-02-18 02:57:20,840 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.47s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2023-02-18 02:57:24,709 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2023-02-18 02:57:26,711 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2023-02-18 02:57:28,720 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2023-02-18 02:57:30,351 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.63s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2023-02-18 02:57:33,078 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2023-02-18 02:57:36,052 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2023-02-18 02:57:38,057 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2023-02-18 02:57:39,643 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.28s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2023-02-18 02:57:41,803 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2023-02-18 02:57:45,558 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2023-02-18 02:57:53,188 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.73s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2023-02-18 02:57:55,194 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2023-02-18 02:57:56,229 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.03s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2023-02-18 02:57:58,498 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.38s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2023-02-18 02:57:59,573 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.07s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2023-02-18 02:58:01,578 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2023-02-18 02:58:03,581 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2023-02-18 02:58:08,472 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2023-02-18 02:58:10,157 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.68s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2023-02-18 02:58:12,281 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2023-02-18 02:58:14,284 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2023-02-18 02:58:16,287 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2023-02-18 02:58:28,983 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2023-02-18 02:58:31,893 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2023-02-18 02:58:34,478 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2023-02-18 02:58:36,502 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2023-02-18 02:58:38,671 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2023-02-18 02:58:49,954 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.89s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2023-02-18 02:58:51,960 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2023-02-18 02:58:54,212 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.77s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2023-02-18 02:58:55,237 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.02s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2023-02-18 02:58:57,268 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2023-02-18 02:59:15,837 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2023-02-18 02:59:19,374 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2023-02-18 02:59:21,377 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2023-02-18 02:59:23,407 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2023-02-18 02:59:25,674 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2023-02-18 02:59:28,263 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2023-02-18 02:59:30,265 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2023-02-18 02:59:32,304 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2023-02-18 02:59:34,324 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2023-02-18 02:59:50,358 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.30s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2023-02-18 02:59:53,352 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2023-02-18 02:59:55,379 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2023-02-18 02:59:57,691 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2023-02-18 03:00:11,924 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.23s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2023-02-18 03:00:15,069 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2023-02-18 03:00:17,081 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2023-02-18 03:00:19,085 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2023-02-18 03:00:22,077 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2023-02-18 03:00:26,447 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2023-02-18 03:00:28,836 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2023-02-18 03:00:31,153 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2023-02-18 03:00:33,157 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2023-02-18 03:00:36,455 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2023-02-18 03:00:38,634 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2023-02-18 03:00:40,637 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2023-02-18 03:00:42,407 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.15s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2023-02-18 03:00:45,667 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2023-02-18 03:00:52,012 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2023-02-18 03:00:54,017 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2023-02-18 03:00:55,920 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.90s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2023-02-18 03:00:57,926 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2023-02-18 03:00:59,931 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2023-02-18 03:01:01,778 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.44s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2023-02-18 03:01:03,313 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.53s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2023-02-18 03:01:05,317 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2023-02-18 03:01:07,323 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2023-02-18 03:01:09,372 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2023-02-18 03:01:22,058 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2023-02-18 03:01:24,065 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2023-02-18 03:01:26,069 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2023-02-18 03:01:28,072 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2023-02-18 03:01:30,216 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2023-02-18 03:01:32,220 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2023-02-18 03:01:34,281 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2023-02-18 03:01:48,667 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2023-02-18 03:01:50,672 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2023-02-18 03:02:12,785 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2023-02-18 03:02:14,788 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2023-02-18 03:02:16,792 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2023-02-18 03:02:18,797 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2023-02-18 03:02:21,403 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2023-02-18 03:02:23,171 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.75s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2023-02-18 03:02:24,598 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.43s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2023-02-18 03:02:26,912 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2023-02-18 03:02:30,611 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2023-02-18 03:02:32,142 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.53s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2023-02-18 03:02:34,146 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2023-02-18 03:02:35,997 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.85s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2023-02-18 03:02:37,008 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.01s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2023-02-18 03:02:39,342 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2023-02-18 03:02:41,339 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.35s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2023-02-18 03:02:44,204 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2023-02-18 03:02:47,329 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2023-02-18 03:02:49,333 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2023-02-18 03:02:51,337 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2023-02-18 03:02:53,340 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2023-02-18 03:02:55,343 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2023-02-18 03:02:57,347 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2023-02-18 03:03:19,967 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2023-02-18 03:03:22,249 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2023-02-18 03:03:24,630 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2023-02-18 03:03:26,636 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2023-02-18 03:03:27,714 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.08s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2023-02-18 03:03:30,110 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2023-02-18 03:03:33,273 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2023-02-18 03:03:35,276 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2023-02-18 03:03:37,306 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2023-02-18 03:03:38,657 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.31s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2023-02-18 03:03:40,707 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2023-02-18 03:03:42,140 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.43s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2023-02-18 03:03:44,301 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2023-02-18 03:03:45,457 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.07s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2023-02-18 03:03:47,281 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.82s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2023-02-18 03:03:49,284 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2023-02-18 03:03:49,469 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-18 03:03:49,469 INFO L93 Difference]: Finished difference Result 374 states and 468 transitions. [2023-02-18 03:03:49,469 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2023-02-18 03:03:49,470 INFO L78 Accepts]: Start accepts. Automaton has has 25 states, 25 states have (on average 1.88) internal successors, (47), 22 states have internal predecessors, (47), 9 states have call successors, (18), 4 states have call predecessors, (18), 3 states have return successors, (16), 8 states have call predecessors, (16), 7 states have call successors, (16) Word has length 60 [2023-02-18 03:03:49,470 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-18 03:03:49,471 INFO L225 Difference]: With dead ends: 374 [2023-02-18 03:03:49,471 INFO L226 Difference]: Without dead ends: 306 [2023-02-18 03:03:49,472 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 145 GetRequests, 95 SyntacticMatches, 3 SemanticMatches, 47 ConstructedPredicates, 7 IntricatePredicates, 0 DeprecatedPredicates, 360 ImplicationChecksByTransitivity, 227.0s TimeCoverageRelationStatistics Valid=362, Invalid=1312, Unknown=76, NotChecked=602, Total=2352 [2023-02-18 03:03:49,472 INFO L413 NwaCegarLoop]: 36 mSDtfsCounter, 99 mSDsluCounter, 154 mSDsCounter, 0 mSdLazyCounter, 640 mSolverCounterSat, 134 mSolverCounterUnsat, 105 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 304.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 104 SdHoareTripleChecker+Valid, 190 SdHoareTripleChecker+Invalid, 1282 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 134 IncrementalHoareTripleChecker+Valid, 640 IncrementalHoareTripleChecker+Invalid, 105 IncrementalHoareTripleChecker+Unknown, 403 IncrementalHoareTripleChecker+Unchecked, 305.1s IncrementalHoareTripleChecker+Time [2023-02-18 03:03:49,479 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [104 Valid, 190 Invalid, 1282 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [134 Valid, 640 Invalid, 105 Unknown, 403 Unchecked, 305.1s Time] [2023-02-18 03:03:49,479 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 306 states. [2023-02-18 03:03:49,551 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 306 to 251. [2023-02-18 03:03:49,559 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 251 states, 169 states have (on average 1.1479289940828403) internal successors, (194), 178 states have internal predecessors, (194), 47 states have call successors, (47), 34 states have call predecessors, (47), 34 states have return successors, (44), 38 states have call predecessors, (44), 44 states have call successors, (44) [2023-02-18 03:03:49,560 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 251 states to 251 states and 285 transitions. [2023-02-18 03:03:49,560 INFO L78 Accepts]: Start accepts. Automaton has 251 states and 285 transitions. Word has length 60 [2023-02-18 03:03:49,561 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-18 03:03:49,576 INFO L495 AbstractCegarLoop]: Abstraction has 251 states and 285 transitions. [2023-02-18 03:03:49,577 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 25 states, 25 states have (on average 1.88) internal successors, (47), 22 states have internal predecessors, (47), 9 states have call successors, (18), 4 states have call predecessors, (18), 3 states have return successors, (16), 8 states have call predecessors, (16), 7 states have call successors, (16) [2023-02-18 03:03:49,577 INFO L276 IsEmpty]: Start isEmpty. Operand 251 states and 285 transitions. [2023-02-18 03:03:49,578 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2023-02-18 03:03:49,578 INFO L187 NwaCegarLoop]: Found error trace [2023-02-18 03:03:49,578 INFO L195 NwaCegarLoop]: trace histogram [10, 9, 9, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-02-18 03:03:49,585 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 0 [2023-02-18 03:03:49,783 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2023-02-18 03:03:49,783 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-02-18 03:03:49,783 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-18 03:03:49,784 INFO L85 PathProgramCache]: Analyzing trace with hash -1045562264, now seen corresponding path program 2 times [2023-02-18 03:03:49,784 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-18 03:03:49,784 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1322261560] [2023-02-18 03:03:49,784 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-18 03:03:49,784 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-18 03:03:49,789 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-02-18 03:03:49,789 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [108810017] [2023-02-18 03:03:49,789 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-02-18 03:03:49,789 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-02-18 03:03:49,789 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-18 03:03:49,801 INFO L229 MonitoredProcess]: Starting monitored process 12 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-02-18 03:03:49,801 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2023-02-18 03:03:49,981 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2023-02-18 03:03:49,982 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-02-18 03:03:49,983 INFO L263 TraceCheckSpWp]: Trace formula consists of 166 conjuncts, 32 conjunts are in the unsatisfiable core [2023-02-18 03:03:49,985 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-02-18 03:06:38,713 INFO L134 CoverageAnalysis]: Checked inductivity of 172 backedges. 38 proven. 14 refuted. 0 times theorem prover too weak. 120 trivial. 0 not checked. [2023-02-18 03:06:38,713 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-02-18 03:06:59,257 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-18 03:06:59,257 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1322261560] [2023-02-18 03:06:59,257 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-02-18 03:06:59,257 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [108810017] [2023-02-18 03:06:59,257 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [108810017] provided 0 perfect and 1 imperfect interpolant sequences [2023-02-18 03:06:59,257 INFO L184 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2023-02-18 03:06:59,257 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13] total 13 [2023-02-18 03:06:59,257 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1913895124] [2023-02-18 03:06:59,257 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2023-02-18 03:06:59,258 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2023-02-18 03:06:59,258 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-18 03:06:59,258 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2023-02-18 03:06:59,258 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=62, Invalid=235, Unknown=9, NotChecked=0, Total=306 [2023-02-18 03:06:59,258 INFO L87 Difference]: Start difference. First operand 251 states and 285 transitions. Second operand has 13 states, 13 states have (on average 1.9230769230769231) internal successors, (25), 12 states have internal predecessors, (25), 4 states have call successors, (10), 2 states have call predecessors, (10), 2 states have return successors, (9), 4 states have call predecessors, (9), 4 states have call successors, (9) [2023-02-18 03:07:08,114 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-18 03:07:08,115 INFO L93 Difference]: Finished difference Result 296 states and 340 transitions. [2023-02-18 03:07:08,115 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2023-02-18 03:07:08,115 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 1.9230769230769231) internal successors, (25), 12 states have internal predecessors, (25), 4 states have call successors, (10), 2 states have call predecessors, (10), 2 states have return successors, (9), 4 states have call predecessors, (9), 4 states have call successors, (9) Word has length 65 [2023-02-18 03:07:08,115 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-18 03:07:08,117 INFO L225 Difference]: With dead ends: 296 [2023-02-18 03:07:08,117 INFO L226 Difference]: Without dead ends: 247 [2023-02-18 03:07:08,118 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 86 GetRequests, 61 SyntacticMatches, 1 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 102 ImplicationChecksByTransitivity, 26.7s TimeCoverageRelationStatistics Valid=131, Invalid=507, Unknown=12, NotChecked=0, Total=650 [2023-02-18 03:07:08,118 INFO L413 NwaCegarLoop]: 29 mSDtfsCounter, 52 mSDsluCounter, 117 mSDsCounter, 0 mSdLazyCounter, 315 mSolverCounterSat, 41 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 52 SdHoareTripleChecker+Valid, 146 SdHoareTripleChecker+Invalid, 356 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 41 IncrementalHoareTripleChecker+Valid, 315 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.7s IncrementalHoareTripleChecker+Time [2023-02-18 03:07:08,119 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [52 Valid, 146 Invalid, 356 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [41 Valid, 315 Invalid, 0 Unknown, 0 Unchecked, 2.7s Time] [2023-02-18 03:07:08,120 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 247 states. [2023-02-18 03:07:08,158 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 247 to 247. [2023-02-18 03:07:08,159 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 247 states, 168 states have (on average 1.130952380952381) internal successors, (190), 175 states have internal predecessors, (190), 44 states have call successors, (44), 35 states have call predecessors, (44), 34 states have return successors, (41), 36 states have call predecessors, (41), 41 states have call successors, (41) [2023-02-18 03:07:08,165 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 247 states to 247 states and 275 transitions. [2023-02-18 03:07:08,165 INFO L78 Accepts]: Start accepts. Automaton has 247 states and 275 transitions. Word has length 65 [2023-02-18 03:07:08,166 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-18 03:07:08,166 INFO L495 AbstractCegarLoop]: Abstraction has 247 states and 275 transitions. [2023-02-18 03:07:08,166 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 1.9230769230769231) internal successors, (25), 12 states have internal predecessors, (25), 4 states have call successors, (10), 2 states have call predecessors, (10), 2 states have return successors, (9), 4 states have call predecessors, (9), 4 states have call successors, (9) [2023-02-18 03:07:08,167 INFO L276 IsEmpty]: Start isEmpty. Operand 247 states and 275 transitions. [2023-02-18 03:07:08,167 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2023-02-18 03:07:08,167 INFO L187 NwaCegarLoop]: Found error trace [2023-02-18 03:07:08,167 INFO L195 NwaCegarLoop]: trace histogram [11, 10, 10, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-02-18 03:07:08,172 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Ended with exit code 0 [2023-02-18 03:07:08,371 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2023-02-18 03:07:08,372 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-02-18 03:07:08,372 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-18 03:07:08,372 INFO L85 PathProgramCache]: Analyzing trace with hash -902942769, now seen corresponding path program 1 times [2023-02-18 03:07:08,372 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-18 03:07:08,372 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1603131191] [2023-02-18 03:07:08,372 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-18 03:07:08,372 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-18 03:07:08,378 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-02-18 03:07:08,378 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1801512058] [2023-02-18 03:07:08,378 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-18 03:07:08,378 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-02-18 03:07:08,378 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-18 03:07:08,379 INFO L229 MonitoredProcess]: Starting monitored process 13 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-02-18 03:07:08,381 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2023-02-18 03:07:08,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 03:07:08,500 INFO L263 TraceCheckSpWp]: Trace formula consists of 177 conjuncts, 36 conjunts are in the unsatisfiable core [2023-02-18 03:07:08,501 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-02-18 03:07:08,588 INFO L134 CoverageAnalysis]: Checked inductivity of 211 backedges. 22 proven. 36 refuted. 0 times theorem prover too weak. 153 trivial. 0 not checked. [2023-02-18 03:07:08,588 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-02-18 03:07:11,024 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-18 03:07:11,024 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1603131191] [2023-02-18 03:07:11,024 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-02-18 03:07:11,024 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1801512058] [2023-02-18 03:07:11,024 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1801512058] provided 0 perfect and 1 imperfect interpolant sequences [2023-02-18 03:07:11,024 INFO L184 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2023-02-18 03:07:11,024 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13] total 13 [2023-02-18 03:07:11,024 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1579271381] [2023-02-18 03:07:11,024 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2023-02-18 03:07:11,024 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2023-02-18 03:07:11,024 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-18 03:07:11,025 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2023-02-18 03:07:11,025 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=54, Invalid=251, Unknown=1, NotChecked=0, Total=306 [2023-02-18 03:07:11,025 INFO L87 Difference]: Start difference. First operand 247 states and 275 transitions. Second operand has 13 states, 12 states have (on average 2.1666666666666665) internal successors, (26), 12 states have internal predecessors, (26), 4 states have call successors, (11), 2 states have call predecessors, (11), 2 states have return successors, (10), 3 states have call predecessors, (10), 3 states have call successors, (10) [2023-02-18 03:07:11,800 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-18 03:07:11,800 INFO L93 Difference]: Finished difference Result 249 states and 276 transitions. [2023-02-18 03:07:11,800 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2023-02-18 03:07:11,800 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 2.1666666666666665) internal successors, (26), 12 states have internal predecessors, (26), 4 states have call successors, (11), 2 states have call predecessors, (11), 2 states have return successors, (10), 3 states have call predecessors, (10), 3 states have call successors, (10) Word has length 71 [2023-02-18 03:07:11,801 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-18 03:07:11,801 INFO L225 Difference]: With dead ends: 249 [2023-02-18 03:07:11,802 INFO L226 Difference]: Without dead ends: 217 [2023-02-18 03:07:11,802 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 97 GetRequests, 73 SyntacticMatches, 1 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 40 ImplicationChecksByTransitivity, 2.5s TimeCoverageRelationStatistics Valid=111, Invalid=488, Unknown=1, NotChecked=0, Total=600 [2023-02-18 03:07:11,802 INFO L413 NwaCegarLoop]: 27 mSDtfsCounter, 67 mSDsluCounter, 108 mSDsCounter, 0 mSdLazyCounter, 355 mSolverCounterSat, 39 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 67 SdHoareTripleChecker+Valid, 135 SdHoareTripleChecker+Invalid, 394 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 39 IncrementalHoareTripleChecker+Valid, 355 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2023-02-18 03:07:11,803 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [67 Valid, 135 Invalid, 394 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [39 Valid, 355 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2023-02-18 03:07:11,803 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 217 states. [2023-02-18 03:07:11,863 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 217 to 217. [2023-02-18 03:07:11,864 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 217 states, 147 states have (on average 1.1428571428571428) internal successors, (168), 154 states have internal predecessors, (168), 39 states have call successors, (39), 30 states have call predecessors, (39), 30 states have return successors, (37), 32 states have call predecessors, (37), 37 states have call successors, (37) [2023-02-18 03:07:11,864 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 217 states to 217 states and 244 transitions. [2023-02-18 03:07:11,865 INFO L78 Accepts]: Start accepts. Automaton has 217 states and 244 transitions. Word has length 71 [2023-02-18 03:07:11,865 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-18 03:07:11,865 INFO L495 AbstractCegarLoop]: Abstraction has 217 states and 244 transitions. [2023-02-18 03:07:11,865 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 2.1666666666666665) internal successors, (26), 12 states have internal predecessors, (26), 4 states have call successors, (11), 2 states have call predecessors, (11), 2 states have return successors, (10), 3 states have call predecessors, (10), 3 states have call successors, (10) [2023-02-18 03:07:11,865 INFO L276 IsEmpty]: Start isEmpty. Operand 217 states and 244 transitions. [2023-02-18 03:07:11,866 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2023-02-18 03:07:11,866 INFO L187 NwaCegarLoop]: Found error trace [2023-02-18 03:07:11,866 INFO L195 NwaCegarLoop]: trace histogram [13, 12, 12, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-02-18 03:07:11,873 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Forceful destruction successful, exit code 0 [2023-02-18 03:07:12,071 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2023-02-18 03:07:12,071 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-02-18 03:07:12,071 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-18 03:07:12,071 INFO L85 PathProgramCache]: Analyzing trace with hash 748572095, now seen corresponding path program 3 times [2023-02-18 03:07:12,072 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-18 03:07:12,072 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [966866380] [2023-02-18 03:07:12,072 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-18 03:07:12,072 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-18 03:07:12,078 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-02-18 03:07:12,078 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [311256993] [2023-02-18 03:07:12,078 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2023-02-18 03:07:12,078 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-02-18 03:07:12,078 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-18 03:07:12,079 INFO L229 MonitoredProcess]: Starting monitored process 14 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-02-18 03:07:12,081 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2023-02-18 03:07:13,703 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2023-02-18 03:07:13,703 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-02-18 03:07:13,705 INFO L263 TraceCheckSpWp]: Trace formula consists of 134 conjuncts, 47 conjunts are in the unsatisfiable core [2023-02-18 03:07:13,707 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-02-18 03:07:17,235 INFO L134 CoverageAnalysis]: Checked inductivity of 310 backedges. 67 proven. 39 refuted. 0 times theorem prover too weak. 204 trivial. 0 not checked. [2023-02-18 03:07:17,236 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-02-18 03:07:30,685 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-18 03:07:30,685 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [966866380] [2023-02-18 03:07:30,685 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-02-18 03:07:30,685 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [311256993] [2023-02-18 03:07:30,686 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [311256993] provided 0 perfect and 1 imperfect interpolant sequences [2023-02-18 03:07:30,686 INFO L184 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2023-02-18 03:07:30,686 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14] total 14 [2023-02-18 03:07:30,686 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1043630393] [2023-02-18 03:07:30,686 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2023-02-18 03:07:30,686 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2023-02-18 03:07:30,686 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-18 03:07:30,687 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2023-02-18 03:07:30,687 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=69, Invalid=305, Unknown=6, NotChecked=0, Total=380 [2023-02-18 03:07:30,687 INFO L87 Difference]: Start difference. First operand 217 states and 244 transitions. Second operand has 14 states, 13 states have (on average 2.1538461538461537) internal successors, (28), 12 states have internal predecessors, (28), 5 states have call successors, (13), 2 states have call predecessors, (13), 2 states have return successors, (12), 4 states have call predecessors, (12), 4 states have call successors, (12) [2023-02-18 03:07:37,298 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2023-02-18 03:07:43,452 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers []