./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/nla-digbench-scaling/prod4br-ll_valuebound5.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version a31fd051 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/prod4br-ll_valuebound5.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 a27e222af80a0e7079fd1845c98cd202d89805160fe537f012a3762f02f5a114 --- Real Ultimate output --- This is Ultimate 0.2.2-?-a31fd05 [2023-02-15 12:24:47,204 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-02-15 12:24:47,206 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-02-15 12:24:47,243 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-02-15 12:24:47,244 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-02-15 12:24:47,246 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-02-15 12:24:47,248 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-02-15 12:24:47,250 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-02-15 12:24:47,251 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-02-15 12:24:47,255 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-02-15 12:24:47,256 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-02-15 12:24:47,258 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-02-15 12:24:47,258 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-02-15 12:24:47,259 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-02-15 12:24:47,260 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-02-15 12:24:47,261 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-02-15 12:24:47,262 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-02-15 12:24:47,263 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-02-15 12:24:47,264 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-02-15 12:24:47,268 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-02-15 12:24:47,269 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-02-15 12:24:47,270 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-02-15 12:24:47,271 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-02-15 12:24:47,272 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-02-15 12:24:47,281 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-02-15 12:24:47,282 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-02-15 12:24:47,282 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-02-15 12:24:47,283 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-02-15 12:24:47,283 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-02-15 12:24:47,284 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-02-15 12:24:47,284 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-02-15 12:24:47,285 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-02-15 12:24:47,286 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-02-15 12:24:47,286 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-02-15 12:24:47,287 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-02-15 12:24:47,287 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-02-15 12:24:47,287 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-02-15 12:24:47,288 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-02-15 12:24:47,288 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-02-15 12:24:47,288 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-02-15 12:24:47,289 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-02-15 12:24:47,290 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2023-02-15 12:24:47,313 INFO L113 SettingsManager]: Loading preferences was successful [2023-02-15 12:24:47,320 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-02-15 12:24:47,321 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-02-15 12:24:47,321 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-02-15 12:24:47,322 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-02-15 12:24:47,322 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-02-15 12:24:47,322 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-02-15 12:24:47,322 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-02-15 12:24:47,322 INFO L138 SettingsManager]: * Use SBE=true [2023-02-15 12:24:47,323 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-02-15 12:24:47,323 INFO L138 SettingsManager]: * sizeof long=4 [2023-02-15 12:24:47,323 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-02-15 12:24:47,324 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-02-15 12:24:47,324 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-02-15 12:24:47,324 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-02-15 12:24:47,324 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-02-15 12:24:47,324 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-02-15 12:24:47,324 INFO L138 SettingsManager]: * sizeof long double=12 [2023-02-15 12:24:47,325 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-02-15 12:24:47,325 INFO L138 SettingsManager]: * Use constant arrays=true [2023-02-15 12:24:47,325 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-02-15 12:24:47,325 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-02-15 12:24:47,325 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-02-15 12:24:47,325 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-02-15 12:24:47,325 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-02-15 12:24:47,326 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-02-15 12:24:47,326 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-02-15 12:24:47,326 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-02-15 12:24:47,326 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2023-02-15 12:24:47,327 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-02-15 12:24:47,327 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-02-15 12:24:47,327 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-02-15 12:24:47,327 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-02-15 12:24:47,327 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-02-15 12:24:47,327 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-02-15 12:24:47,328 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a27e222af80a0e7079fd1845c98cd202d89805160fe537f012a3762f02f5a114 [2023-02-15 12:24:47,540 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-02-15 12:24:47,557 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-02-15 12:24:47,559 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-02-15 12:24:47,560 INFO L271 PluginConnector]: Initializing CDTParser... [2023-02-15 12:24:47,560 INFO L275 PluginConnector]: CDTParser initialized [2023-02-15 12:24:47,561 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/nla-digbench-scaling/prod4br-ll_valuebound5.c [2023-02-15 12:24:48,593 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-02-15 12:24:48,742 INFO L351 CDTParser]: Found 1 translation units. [2023-02-15 12:24:48,743 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/nla-digbench-scaling/prod4br-ll_valuebound5.c [2023-02-15 12:24:48,747 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/43d49a950/19d8471e588c441d861551c0f9142bd2/FLAGe8ade3a94 [2023-02-15 12:24:48,756 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/43d49a950/19d8471e588c441d861551c0f9142bd2 [2023-02-15 12:24:48,758 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-02-15 12:24:48,759 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2023-02-15 12:24:48,760 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-02-15 12:24:48,760 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-02-15 12:24:48,762 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-02-15 12:24:48,763 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.02 12:24:48" (1/1) ... [2023-02-15 12:24:48,763 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7880105a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 12:24:48, skipping insertion in model container [2023-02-15 12:24:48,763 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.02 12:24:48" (1/1) ... [2023-02-15 12:24:48,768 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-02-15 12:24:48,783 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-02-15 12:24:48,899 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/prod4br-ll_valuebound5.c[524,537] [2023-02-15 12:24:48,919 INFO L210 PostProcessor]: Analyzing one entry point: main [2023-02-15 12:24:48,926 INFO L203 MainTranslator]: Completed pre-run [2023-02-15 12:24:48,936 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/prod4br-ll_valuebound5.c[524,537] [2023-02-15 12:24:48,956 INFO L210 PostProcessor]: Analyzing one entry point: main [2023-02-15 12:24:48,968 INFO L208 MainTranslator]: Completed translation [2023-02-15 12:24:48,969 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 12:24:48 WrapperNode [2023-02-15 12:24:48,969 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-02-15 12:24:48,970 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-02-15 12:24:48,970 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-02-15 12:24:48,970 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2023-02-15 12:24:48,974 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 12:24:48" (1/1) ... [2023-02-15 12:24:48,986 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 12:24:48" (1/1) ... [2023-02-15 12:24:49,004 INFO L138 Inliner]: procedures = 14, calls = 13, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 53 [2023-02-15 12:24:49,004 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-02-15 12:24:49,005 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-02-15 12:24:49,005 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-02-15 12:24:49,005 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-02-15 12:24:49,011 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 12:24:48" (1/1) ... [2023-02-15 12:24:49,012 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 12:24:48" (1/1) ... [2023-02-15 12:24:49,014 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 12:24:48" (1/1) ... [2023-02-15 12:24:49,015 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 12:24:48" (1/1) ... [2023-02-15 12:24:49,023 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 12:24:48" (1/1) ... [2023-02-15 12:24:49,026 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 12:24:48" (1/1) ... [2023-02-15 12:24:49,031 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 12:24:48" (1/1) ... [2023-02-15 12:24:49,032 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 12:24:48" (1/1) ... [2023-02-15 12:24:49,034 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-02-15 12:24:49,035 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-02-15 12:24:49,036 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-02-15 12:24:49,036 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-02-15 12:24:49,037 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 12:24:48" (1/1) ... [2023-02-15 12:24:49,040 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-02-15 12:24:49,048 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-15 12:24:49,059 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) [2023-02-15 12:24:49,078 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 [2023-02-15 12:24:49,089 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-02-15 12:24:49,089 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-02-15 12:24:49,089 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-02-15 12:24:49,089 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-02-15 12:24:49,089 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-02-15 12:24:49,090 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-02-15 12:24:49,090 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-02-15 12:24:49,090 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-02-15 12:24:49,131 INFO L235 CfgBuilder]: Building ICFG [2023-02-15 12:24:49,132 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2023-02-15 12:24:49,305 INFO L276 CfgBuilder]: Performing block encoding [2023-02-15 12:24:49,309 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-02-15 12:24:49,309 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2023-02-15 12:24:49,310 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.02 12:24:49 BoogieIcfgContainer [2023-02-15 12:24:49,310 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-02-15 12:24:49,312 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-02-15 12:24:49,312 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-02-15 12:24:49,314 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-02-15 12:24:49,314 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.02 12:24:48" (1/3) ... [2023-02-15 12:24:49,329 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6ef0f2e2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.02 12:24:49, skipping insertion in model container [2023-02-15 12:24:49,329 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 12:24:48" (2/3) ... [2023-02-15 12:24:49,330 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6ef0f2e2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.02 12:24:49, skipping insertion in model container [2023-02-15 12:24:49,330 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.02 12:24:49" (3/3) ... [2023-02-15 12:24:49,331 INFO L112 eAbstractionObserver]: Analyzing ICFG prod4br-ll_valuebound5.c [2023-02-15 12:24:49,342 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-02-15 12:24:49,356 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-02-15 12:24:49,393 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-02-15 12:24:49,397 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;@22332113, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-02-15 12:24:49,397 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-02-15 12:24:49,400 INFO L276 IsEmpty]: Start isEmpty. Operand has 29 states, 19 states have (on average 1.4736842105263157) internal successors, (28), 20 states have internal predecessors, (28), 6 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2023-02-15 12:24:49,405 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-02-15 12:24:49,405 INFO L187 NwaCegarLoop]: Found error trace [2023-02-15 12:24:49,406 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-02-15 12:24:49,406 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-02-15 12:24:49,409 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-15 12:24:49,410 INFO L85 PathProgramCache]: Analyzing trace with hash 1472905330, now seen corresponding path program 1 times [2023-02-15 12:24:49,428 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-15 12:24:49,428 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [748312092] [2023-02-15 12:24:49,428 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-15 12:24:49,428 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-15 12:24:49,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 12:24:49,504 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-15 12:24:49,504 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [748312092] [2023-02-15 12:24:49,505 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unsupported non-linear arithmetic [2023-02-15 12:24:49,505 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [784983334] [2023-02-15 12:24:49,505 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-15 12:24:49,506 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-02-15 12:24:49,506 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-15 12:24:49,515 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) [2023-02-15 12:24:49,516 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-02-15 12:24:49,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 12:24:49,577 INFO L263 TraceCheckSpWp]: Trace formula consists of 76 conjuncts, 1 conjunts are in the unsatisfiable core [2023-02-15 12:24:49,580 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-02-15 12:24:49,602 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2023-02-15 12:24:49,602 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-02-15 12:24:49,603 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [784983334] provided 1 perfect and 0 imperfect interpolant sequences [2023-02-15 12:24:49,603 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-02-15 12:24:49,603 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-02-15 12:24:49,605 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [87100884] [2023-02-15 12:24:49,605 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-02-15 12:24:49,608 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-02-15 12:24:49,608 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-15 12:24:49,631 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-02-15 12:24:49,632 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-02-15 12:24:49,633 INFO L87 Difference]: Start difference. First operand has 29 states, 19 states have (on average 1.4736842105263157) internal successors, (28), 20 states have internal predecessors, (28), 6 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) Second operand has 2 states, 2 states have (on average 6.5) internal successors, (13), 2 states have internal predecessors, (13), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (3), 1 states have call predecessors, (3), 2 states have call successors, (3) [2023-02-15 12:24:49,648 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-15 12:24:49,650 INFO L93 Difference]: Finished difference Result 55 states and 82 transitions. [2023-02-15 12:24:49,651 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-02-15 12:24:49,652 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 6.5) internal successors, (13), 2 states have internal predecessors, (13), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (3), 1 states have call predecessors, (3), 2 states have call successors, (3) Word has length 24 [2023-02-15 12:24:49,652 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-15 12:24:49,657 INFO L225 Difference]: With dead ends: 55 [2023-02-15 12:24:49,658 INFO L226 Difference]: Without dead ends: 25 [2023-02-15 12:24:49,660 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-02-15 12:24:49,665 INFO L413 NwaCegarLoop]: 36 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, 36 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 [2023-02-15 12:24:49,666 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 36 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-02-15 12:24:49,677 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25 states. [2023-02-15 12:24:49,694 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25 to 25. [2023-02-15 12:24:49,695 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 25 states, 16 states have (on average 1.3125) internal successors, (21), 17 states have internal predecessors, (21), 6 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2023-02-15 12:24:49,696 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 25 states and 32 transitions. [2023-02-15 12:24:49,697 INFO L78 Accepts]: Start accepts. Automaton has 25 states and 32 transitions. Word has length 24 [2023-02-15 12:24:49,697 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-15 12:24:49,698 INFO L495 AbstractCegarLoop]: Abstraction has 25 states and 32 transitions. [2023-02-15 12:24:49,699 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 6.5) internal successors, (13), 2 states have internal predecessors, (13), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (3), 1 states have call predecessors, (3), 2 states have call successors, (3) [2023-02-15 12:24:49,699 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 32 transitions. [2023-02-15 12:24:49,701 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-02-15 12:24:49,701 INFO L187 NwaCegarLoop]: Found error trace [2023-02-15 12:24:49,701 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-02-15 12:24:49,708 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2023-02-15 12:24:49,906 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 [2023-02-15 12:24:49,907 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-02-15 12:24:49,907 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-15 12:24:49,908 INFO L85 PathProgramCache]: Analyzing trace with hash 324198000, now seen corresponding path program 1 times [2023-02-15 12:24:49,908 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-15 12:24:49,908 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2080243402] [2023-02-15 12:24:49,908 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-15 12:24:49,908 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-15 12:24:49,924 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-02-15 12:24:49,932 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [176530119] [2023-02-15 12:24:49,932 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-15 12:24:49,932 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-02-15 12:24:49,932 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-15 12:24:49,933 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) [2023-02-15 12:24:49,936 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2023-02-15 12:24:49,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 12:24:49,985 INFO L263 TraceCheckSpWp]: Trace formula consists of 76 conjuncts, 21 conjunts are in the unsatisfiable core [2023-02-15 12:24:49,987 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-02-15 12:24:50,074 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-02-15 12:24:50,075 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-02-15 12:24:50,075 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-15 12:24:50,075 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2080243402] [2023-02-15 12:24:50,075 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-02-15 12:24:50,075 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [176530119] [2023-02-15 12:24:50,075 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [176530119] provided 1 perfect and 0 imperfect interpolant sequences [2023-02-15 12:24:50,076 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-02-15 12:24:50,076 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2023-02-15 12:24:50,076 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1830469461] [2023-02-15 12:24:50,076 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-02-15 12:24:50,077 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-02-15 12:24:50,077 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-15 12:24:50,077 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-02-15 12:24:50,078 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2023-02-15 12:24:50,078 INFO L87 Difference]: Start difference. First operand 25 states and 32 transitions. Second operand has 8 states, 8 states have (on average 1.75) internal successors, (14), 6 states have internal predecessors, (14), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (3), 2 states have call predecessors, (3), 1 states have call successors, (3) [2023-02-15 12:24:50,168 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-15 12:24:50,169 INFO L93 Difference]: Finished difference Result 39 states and 51 transitions. [2023-02-15 12:24:50,169 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-02-15 12:24:50,169 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 1.75) internal successors, (14), 6 states have internal predecessors, (14), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (3), 2 states have call predecessors, (3), 1 states have call successors, (3) Word has length 24 [2023-02-15 12:24:50,169 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-15 12:24:50,170 INFO L225 Difference]: With dead ends: 39 [2023-02-15 12:24:50,170 INFO L226 Difference]: Without dead ends: 37 [2023-02-15 12:24:50,171 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=68, Unknown=0, NotChecked=0, Total=90 [2023-02-15 12:24:50,171 INFO L413 NwaCegarLoop]: 18 mSDtfsCounter, 28 mSDsluCounter, 58 mSDsCounter, 0 mSdLazyCounter, 120 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 32 SdHoareTripleChecker+Valid, 76 SdHoareTripleChecker+Invalid, 122 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 120 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-02-15 12:24:50,172 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [32 Valid, 76 Invalid, 122 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 120 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-02-15 12:24:50,172 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 37 states. [2023-02-15 12:24:50,176 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 37 to 31. [2023-02-15 12:24:50,177 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 31 states, 20 states have (on average 1.25) internal successors, (25), 22 states have internal predecessors, (25), 7 states have call successors, (7), 3 states have call predecessors, (7), 3 states have return successors, (6), 5 states have call predecessors, (6), 6 states have call successors, (6) [2023-02-15 12:24:50,177 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 31 states and 38 transitions. [2023-02-15 12:24:50,178 INFO L78 Accepts]: Start accepts. Automaton has 31 states and 38 transitions. Word has length 24 [2023-02-15 12:24:50,178 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-15 12:24:50,178 INFO L495 AbstractCegarLoop]: Abstraction has 31 states and 38 transitions. [2023-02-15 12:24:50,178 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 1.75) internal successors, (14), 6 states have internal predecessors, (14), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (3), 2 states have call predecessors, (3), 1 states have call successors, (3) [2023-02-15 12:24:50,178 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 38 transitions. [2023-02-15 12:24:50,179 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2023-02-15 12:24:50,179 INFO L187 NwaCegarLoop]: Found error trace [2023-02-15 12:24:50,179 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-02-15 12:24:50,186 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2023-02-15 12:24:50,386 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,SelfDestructingSolverStorable1 [2023-02-15 12:24:50,386 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-02-15 12:24:50,386 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-15 12:24:50,387 INFO L85 PathProgramCache]: Analyzing trace with hash 693549193, now seen corresponding path program 1 times [2023-02-15 12:24:50,387 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-15 12:24:50,387 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [892604036] [2023-02-15 12:24:50,387 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-15 12:24:50,387 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-15 12:24:50,397 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-02-15 12:24:50,397 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [288358584] [2023-02-15 12:24:50,398 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-15 12:24:50,398 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-02-15 12:24:50,398 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-15 12:24:50,399 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) [2023-02-15 12:24:50,401 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2023-02-15 12:24:50,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 12:24:50,433 INFO L263 TraceCheckSpWp]: Trace formula consists of 86 conjuncts, 19 conjunts are in the unsatisfiable core [2023-02-15 12:24:50,435 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-02-15 12:24:50,603 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 7 proven. 1 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-02-15 12:24:50,603 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-02-15 12:24:50,733 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-02-15 12:24:50,733 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-15 12:24:50,733 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [892604036] [2023-02-15 12:24:50,733 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-02-15 12:24:50,734 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [288358584] [2023-02-15 12:24:50,734 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [288358584] provided 0 perfect and 2 imperfect interpolant sequences [2023-02-15 12:24:50,734 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-02-15 12:24:50,734 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 7] total 16 [2023-02-15 12:24:50,734 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [620258313] [2023-02-15 12:24:50,734 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-02-15 12:24:50,735 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2023-02-15 12:24:50,735 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-15 12:24:50,735 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2023-02-15 12:24:50,736 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=199, Unknown=0, NotChecked=0, Total=240 [2023-02-15 12:24:50,736 INFO L87 Difference]: Start difference. First operand 31 states and 38 transitions. Second operand has 16 states, 14 states have (on average 1.7857142857142858) internal successors, (25), 12 states have internal predecessors, (25), 4 states have call successors, (7), 3 states have call predecessors, (7), 3 states have return successors, (6), 4 states have call predecessors, (6), 2 states have call successors, (6) [2023-02-15 12:24:50,964 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-15 12:24:50,964 INFO L93 Difference]: Finished difference Result 47 states and 60 transitions. [2023-02-15 12:24:50,965 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-02-15 12:24:50,965 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 14 states have (on average 1.7857142857142858) internal successors, (25), 12 states have internal predecessors, (25), 4 states have call successors, (7), 3 states have call predecessors, (7), 3 states have return successors, (6), 4 states have call predecessors, (6), 2 states have call successors, (6) Word has length 30 [2023-02-15 12:24:50,965 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-15 12:24:50,968 INFO L225 Difference]: With dead ends: 47 [2023-02-15 12:24:50,969 INFO L226 Difference]: Without dead ends: 43 [2023-02-15 12:24:50,970 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 66 GetRequests, 46 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 59 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=83, Invalid=379, Unknown=0, NotChecked=0, Total=462 [2023-02-15 12:24:50,972 INFO L413 NwaCegarLoop]: 16 mSDtfsCounter, 44 mSDsluCounter, 75 mSDsCounter, 0 mSdLazyCounter, 230 mSolverCounterSat, 16 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 47 SdHoareTripleChecker+Valid, 91 SdHoareTripleChecker+Invalid, 246 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 230 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-02-15 12:24:50,975 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [47 Valid, 91 Invalid, 246 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 230 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-02-15 12:24:50,976 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 43 states. [2023-02-15 12:24:50,986 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 43 to 40. [2023-02-15 12:24:50,986 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 40 states, 27 states have (on average 1.2592592592592593) internal successors, (34), 29 states have internal predecessors, (34), 8 states have call successors, (8), 4 states have call predecessors, (8), 4 states have return successors, (7), 6 states have call predecessors, (7), 7 states have call successors, (7) [2023-02-15 12:24:50,989 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 40 states and 49 transitions. [2023-02-15 12:24:50,989 INFO L78 Accepts]: Start accepts. Automaton has 40 states and 49 transitions. Word has length 30 [2023-02-15 12:24:50,989 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-15 12:24:50,989 INFO L495 AbstractCegarLoop]: Abstraction has 40 states and 49 transitions. [2023-02-15 12:24:50,990 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 14 states have (on average 1.7857142857142858) internal successors, (25), 12 states have internal predecessors, (25), 4 states have call successors, (7), 3 states have call predecessors, (7), 3 states have return successors, (6), 4 states have call predecessors, (6), 2 states have call successors, (6) [2023-02-15 12:24:50,990 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 49 transitions. [2023-02-15 12:24:50,991 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-02-15 12:24:50,991 INFO L187 NwaCegarLoop]: Found error trace [2023-02-15 12:24:50,991 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-02-15 12:24:50,998 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2023-02-15 12:24:51,195 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-02-15 12:24:51,196 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-02-15 12:24:51,197 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-15 12:24:51,197 INFO L85 PathProgramCache]: Analyzing trace with hash 1087866724, now seen corresponding path program 1 times [2023-02-15 12:24:51,197 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-15 12:24:51,197 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1258373427] [2023-02-15 12:24:51,197 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-15 12:24:51,197 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-15 12:24:51,222 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-02-15 12:24:51,222 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [771005253] [2023-02-15 12:24:51,222 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-15 12:24:51,222 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-02-15 12:24:51,223 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-15 12:24:51,223 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) [2023-02-15 12:24:51,225 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2023-02-15 12:24:51,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 12:24:51,258 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 39 conjunts are in the unsatisfiable core [2023-02-15 12:24:51,260 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-02-15 12:24:51,541 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 4 proven. 6 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-02-15 12:24:51,542 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-02-15 12:25:12,949 WARN L233 SmtUtils]: Spent 15.84s on a formula simplification. DAG size of input: 51 DAG size of output: 46 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-02-15 12:27:00,156 WARN L859 $PredicateComparison]: unable to prove that (and (not (= |c___VERIFIER_assert_#in~cond| 0)) (or (not (= |c___VERIFIER_assert_#in~cond| 1)) (forall ((|v_ULTIMATE.start_main_~p~0#1_BEFORE_CALL_6| Int) (|aux_div_aux_mod_aux_mod_v_ULTIMATE.start_main_~b~0#1_BEFORE_CALL_6_52_63_74| Int) (|aux_mod_aux_mod_aux_mod_v_ULTIMATE.start_main_~b~0#1_BEFORE_CALL_6_52_63_74| Int) (|aux_mod_aux_mod_aux_mod_v_ULTIMATE.start_main_~a~0#1_BEFORE_CALL_5_52_63_74| Int) (|aux_div_v_ULTIMATE.start_main_~b~0#1_BEFORE_CALL_6_52| Int) (|aux_div_aux_mod_aux_mod_v_ULTIMATE.start_main_~a~0#1_BEFORE_CALL_5_52_63_74| Int) (|aux_div_aux_mod_v_ULTIMATE.start_main_~b~0#1_BEFORE_CALL_6_52_63| Int) (|aux_div_aux_mod_v_ULTIMATE.start_main_~a~0#1_BEFORE_CALL_5_52_63| Int) (|aux_div_v_ULTIMATE.start_main_~a~0#1_BEFORE_CALL_5_52| Int)) (let ((.cse17 (* 2 |aux_div_aux_mod_aux_mod_v_ULTIMATE.start_main_~b~0#1_BEFORE_CALL_6_52_63_74|)) (.cse15 (* |aux_div_aux_mod_aux_mod_v_ULTIMATE.start_main_~a~0#1_BEFORE_CALL_5_52_63_74| 2)) (.cse16 (* 2 |aux_div_aux_mod_v_ULTIMATE.start_main_~a~0#1_BEFORE_CALL_5_52_63|))) (let ((.cse2 (+ .cse15 |aux_mod_aux_mod_aux_mod_v_ULTIMATE.start_main_~a~0#1_BEFORE_CALL_5_52_63_74| .cse16)) (.cse14 (+ .cse17 |aux_mod_aux_mod_aux_mod_v_ULTIMATE.start_main_~b~0#1_BEFORE_CALL_6_52_63_74| (* 2 |aux_div_aux_mod_v_ULTIMATE.start_main_~b~0#1_BEFORE_CALL_6_52_63|))) (.cse1 (+ .cse17 |aux_mod_aux_mod_aux_mod_v_ULTIMATE.start_main_~b~0#1_BEFORE_CALL_6_52_63_74|)) (.cse0 (+ .cse15 |aux_mod_aux_mod_aux_mod_v_ULTIMATE.start_main_~a~0#1_BEFORE_CALL_5_52_63_74|)) (.cse4 (* (* |aux_div_v_ULTIMATE.start_main_~b~0#1_BEFORE_CALL_6_52| |aux_mod_aux_mod_aux_mod_v_ULTIMATE.start_main_~a~0#1_BEFORE_CALL_5_52_63_74| |v_ULTIMATE.start_main_~p~0#1_BEFORE_CALL_6|) 2)) (.cse5 (* (* |aux_mod_aux_mod_aux_mod_v_ULTIMATE.start_main_~b~0#1_BEFORE_CALL_6_52_63_74| |v_ULTIMATE.start_main_~p~0#1_BEFORE_CALL_6| |aux_div_aux_mod_v_ULTIMATE.start_main_~a~0#1_BEFORE_CALL_5_52_63|) 2)) (.cse6 (* |aux_mod_aux_mod_aux_mod_v_ULTIMATE.start_main_~b~0#1_BEFORE_CALL_6_52_63_74| |aux_mod_aux_mod_aux_mod_v_ULTIMATE.start_main_~a~0#1_BEFORE_CALL_5_52_63_74| |v_ULTIMATE.start_main_~p~0#1_BEFORE_CALL_6|)) (.cse7 (* 2 (* |aux_mod_aux_mod_aux_mod_v_ULTIMATE.start_main_~a~0#1_BEFORE_CALL_5_52_63_74| |v_ULTIMATE.start_main_~p~0#1_BEFORE_CALL_6| |aux_div_aux_mod_aux_mod_v_ULTIMATE.start_main_~b~0#1_BEFORE_CALL_6_52_63_74|))) (.cse8 (* (* |v_ULTIMATE.start_main_~p~0#1_BEFORE_CALL_6| |aux_div_aux_mod_v_ULTIMATE.start_main_~a~0#1_BEFORE_CALL_5_52_63| |aux_div_aux_mod_aux_mod_v_ULTIMATE.start_main_~b~0#1_BEFORE_CALL_6_52_63_74|) 4)) (.cse9 (* 2 (* |aux_div_aux_mod_aux_mod_v_ULTIMATE.start_main_~a~0#1_BEFORE_CALL_5_52_63_74| |aux_mod_aux_mod_aux_mod_v_ULTIMATE.start_main_~b~0#1_BEFORE_CALL_6_52_63_74| |v_ULTIMATE.start_main_~p~0#1_BEFORE_CALL_6|))) (.cse10 (* (* |v_ULTIMATE.start_main_~p~0#1_BEFORE_CALL_6| |aux_div_v_ULTIMATE.start_main_~a~0#1_BEFORE_CALL_5_52| |aux_div_aux_mod_aux_mod_v_ULTIMATE.start_main_~b~0#1_BEFORE_CALL_6_52_63_74|) 4)) (.cse11 (* 2 (* |aux_mod_aux_mod_aux_mod_v_ULTIMATE.start_main_~a~0#1_BEFORE_CALL_5_52_63_74| |aux_div_aux_mod_v_ULTIMATE.start_main_~b~0#1_BEFORE_CALL_6_52_63| |v_ULTIMATE.start_main_~p~0#1_BEFORE_CALL_6|))) (.cse12 (* (* |aux_mod_aux_mod_aux_mod_v_ULTIMATE.start_main_~b~0#1_BEFORE_CALL_6_52_63_74| |v_ULTIMATE.start_main_~p~0#1_BEFORE_CALL_6| |aux_div_v_ULTIMATE.start_main_~a~0#1_BEFORE_CALL_5_52|) 2)) (.cse13 (* 4 (* |aux_div_aux_mod_aux_mod_v_ULTIMATE.start_main_~a~0#1_BEFORE_CALL_5_52_63_74| |v_ULTIMATE.start_main_~p~0#1_BEFORE_CALL_6| |aux_div_aux_mod_aux_mod_v_ULTIMATE.start_main_~b~0#1_BEFORE_CALL_6_52_63_74|))) (.cse3 (* (* |aux_div_v_ULTIMATE.start_main_~b~0#1_BEFORE_CALL_6_52| |v_ULTIMATE.start_main_~p~0#1_BEFORE_CALL_6|) 4))) (or (<= 2 .cse0) (< .cse1 0) (<= 2 .cse2) (not (= (+ .cse3 (* (* |aux_div_aux_mod_v_ULTIMATE.start_main_~b~0#1_BEFORE_CALL_6_52_63| |v_ULTIMATE.start_main_~p~0#1_BEFORE_CALL_6|) 4)) (+ .cse4 .cse5 .cse6 .cse7 .cse8 .cse9 .cse10 .cse11 .cse12 .cse13))) (<= 2 .cse14) (< .cse2 0) (not (< (+ .cse15 (* 2 |aux_div_v_ULTIMATE.start_main_~a~0#1_BEFORE_CALL_5_52|) |aux_mod_aux_mod_aux_mod_v_ULTIMATE.start_main_~a~0#1_BEFORE_CALL_5_52_63_74| .cse16) 0)) (> 0 |aux_mod_aux_mod_aux_mod_v_ULTIMATE.start_main_~a~0#1_BEFORE_CALL_5_52_63_74|) (< .cse14 0) (>= |aux_mod_aux_mod_aux_mod_v_ULTIMATE.start_main_~a~0#1_BEFORE_CALL_5_52_63_74| 2) (< .cse0 0) (> 0 |aux_mod_aux_mod_aux_mod_v_ULTIMATE.start_main_~b~0#1_BEFORE_CALL_6_52_63_74|) (<= 2 .cse1) (= |aux_mod_aux_mod_aux_mod_v_ULTIMATE.start_main_~b~0#1_BEFORE_CALL_6_52_63_74| 0) (= .cse0 0) (>= |aux_mod_aux_mod_aux_mod_v_ULTIMATE.start_main_~b~0#1_BEFORE_CALL_6_52_63_74| 2) (= (+ (* (* |aux_div_aux_mod_v_ULTIMATE.start_main_~b~0#1_BEFORE_CALL_6_52_63| |v_ULTIMATE.start_main_~p~0#1_BEFORE_CALL_6| |aux_div_v_ULTIMATE.start_main_~a~0#1_BEFORE_CALL_5_52|) 4) (* (* |aux_div_v_ULTIMATE.start_main_~b~0#1_BEFORE_CALL_6_52| |v_ULTIMATE.start_main_~p~0#1_BEFORE_CALL_6| |aux_div_aux_mod_v_ULTIMATE.start_main_~a~0#1_BEFORE_CALL_5_52_63|) 4) .cse4 .cse5 .cse6 .cse7 .cse8 .cse9 (* (* |aux_div_aux_mod_aux_mod_v_ULTIMATE.start_main_~a~0#1_BEFORE_CALL_5_52_63_74| |aux_div_aux_mod_v_ULTIMATE.start_main_~b~0#1_BEFORE_CALL_6_52_63| |v_ULTIMATE.start_main_~p~0#1_BEFORE_CALL_6|) 4) .cse10 (* (* |aux_div_aux_mod_v_ULTIMATE.start_main_~b~0#1_BEFORE_CALL_6_52_63| |v_ULTIMATE.start_main_~p~0#1_BEFORE_CALL_6| |aux_div_aux_mod_v_ULTIMATE.start_main_~a~0#1_BEFORE_CALL_5_52_63|) 4) .cse11 .cse12 (* (* |aux_div_aux_mod_aux_mod_v_ULTIMATE.start_main_~a~0#1_BEFORE_CALL_5_52_63_74| |aux_div_v_ULTIMATE.start_main_~b~0#1_BEFORE_CALL_6_52| |v_ULTIMATE.start_main_~p~0#1_BEFORE_CALL_6|) 4) .cse13) (+ (* (* |v_ULTIMATE.start_main_~p~0#1_BEFORE_CALL_6| |aux_div_v_ULTIMATE.start_main_~a~0#1_BEFORE_CALL_5_52|) 4) .cse3 (* |v_ULTIMATE.start_main_~p~0#1_BEFORE_CALL_6| 4))))))))) is different from true [2023-02-15 12:29:07,812 WARN L233 SmtUtils]: Spent 12.03s on a formula simplification that was a NOOP. DAG size: 94 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate)