./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/nla-digbench-scaling/egcd-ll_valuebound5.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 574ddb4e 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/egcd-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 3f9b33d2a8120d9ea8a3a6c5d650c2a90b549ffb583b3e9890b411aeb4530efd --- Real Ultimate output --- This is Ultimate 0.2.2-?-574ddb4 [2023-02-17 07:06:41,967 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-02-17 07:06:41,969 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-02-17 07:06:42,008 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-02-17 07:06:42,008 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-02-17 07:06:42,011 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-02-17 07:06:42,013 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-02-17 07:06:42,015 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-02-17 07:06:42,017 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-02-17 07:06:42,021 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-02-17 07:06:42,022 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-02-17 07:06:42,024 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-02-17 07:06:42,024 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-02-17 07:06:42,026 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-02-17 07:06:42,027 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-02-17 07:06:42,028 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-02-17 07:06:42,029 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-02-17 07:06:42,030 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-02-17 07:06:42,032 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-02-17 07:06:42,038 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-02-17 07:06:42,039 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-02-17 07:06:42,039 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-02-17 07:06:42,040 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-02-17 07:06:42,041 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-02-17 07:06:42,058 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-02-17 07:06:42,058 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-02-17 07:06:42,058 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-02-17 07:06:42,060 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-02-17 07:06:42,060 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-02-17 07:06:42,061 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-02-17 07:06:42,061 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-02-17 07:06:42,062 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-02-17 07:06:42,063 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-02-17 07:06:42,063 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-02-17 07:06:42,064 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-02-17 07:06:42,064 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-02-17 07:06:42,064 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-02-17 07:06:42,064 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-02-17 07:06:42,065 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-02-17 07:06:42,065 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-02-17 07:06:42,066 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-02-17 07:06:42,067 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2023-02-17 07:06:42,104 INFO L113 SettingsManager]: Loading preferences was successful [2023-02-17 07:06:42,104 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-02-17 07:06:42,104 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-02-17 07:06:42,105 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-02-17 07:06:42,105 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-02-17 07:06:42,105 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-02-17 07:06:42,106 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-02-17 07:06:42,106 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-02-17 07:06:42,106 INFO L138 SettingsManager]: * Use SBE=true [2023-02-17 07:06:42,106 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-02-17 07:06:42,107 INFO L138 SettingsManager]: * sizeof long=4 [2023-02-17 07:06:42,107 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-02-17 07:06:42,107 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-02-17 07:06:42,107 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-02-17 07:06:42,107 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-02-17 07:06:42,108 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-02-17 07:06:42,108 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-02-17 07:06:42,108 INFO L138 SettingsManager]: * sizeof long double=12 [2023-02-17 07:06:42,108 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-02-17 07:06:42,108 INFO L138 SettingsManager]: * Use constant arrays=true [2023-02-17 07:06:42,108 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-02-17 07:06:42,108 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-02-17 07:06:42,109 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-02-17 07:06:42,109 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-02-17 07:06:42,109 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-02-17 07:06:42,109 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-02-17 07:06:42,109 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-02-17 07:06:42,109 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-02-17 07:06:42,110 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2023-02-17 07:06:42,110 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-02-17 07:06:42,110 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-02-17 07:06:42,110 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-02-17 07:06:42,110 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-02-17 07:06:42,111 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-02-17 07:06:42,111 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-02-17 07:06:42,111 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3f9b33d2a8120d9ea8a3a6c5d650c2a90b549ffb583b3e9890b411aeb4530efd [2023-02-17 07:06:42,320 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-02-17 07:06:42,351 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-02-17 07:06:42,362 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-02-17 07:06:42,363 INFO L271 PluginConnector]: Initializing CDTParser... [2023-02-17 07:06:42,363 INFO L275 PluginConnector]: CDTParser initialized [2023-02-17 07:06:42,364 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/nla-digbench-scaling/egcd-ll_valuebound5.c [2023-02-17 07:06:43,417 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-02-17 07:06:43,628 INFO L351 CDTParser]: Found 1 translation units. [2023-02-17 07:06:43,629 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/nla-digbench-scaling/egcd-ll_valuebound5.c [2023-02-17 07:06:43,634 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7c67e4136/6df104f6327e4fae94e15341113986ef/FLAG88d384b05 [2023-02-17 07:06:43,648 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7c67e4136/6df104f6327e4fae94e15341113986ef [2023-02-17 07:06:43,650 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-02-17 07:06:43,651 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2023-02-17 07:06:43,653 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-02-17 07:06:43,653 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-02-17 07:06:43,655 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-02-17 07:06:43,656 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.02 07:06:43" (1/1) ... [2023-02-17 07:06:43,657 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@74b0e745 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.02 07:06:43, skipping insertion in model container [2023-02-17 07:06:43,657 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.02 07:06:43" (1/1) ... [2023-02-17 07:06:43,662 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-02-17 07:06:43,672 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-02-17 07:06:43,758 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/egcd-ll_valuebound5.c[489,502] [2023-02-17 07:06:43,782 INFO L210 PostProcessor]: Analyzing one entry point: main [2023-02-17 07:06:43,788 INFO L203 MainTranslator]: Completed pre-run [2023-02-17 07:06:43,795 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/egcd-ll_valuebound5.c[489,502] [2023-02-17 07:06:43,799 INFO L210 PostProcessor]: Analyzing one entry point: main [2023-02-17 07:06:43,815 INFO L208 MainTranslator]: Completed translation [2023-02-17 07:06:43,816 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.02 07:06:43 WrapperNode [2023-02-17 07:06:43,816 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-02-17 07:06:43,817 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-02-17 07:06:43,817 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-02-17 07:06:43,817 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2023-02-17 07:06:43,821 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.02 07:06:43" (1/1) ... [2023-02-17 07:06:43,825 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.02 07:06:43" (1/1) ... [2023-02-17 07:06:43,835 INFO L138 Inliner]: procedures = 14, calls = 18, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 56 [2023-02-17 07:06:43,835 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-02-17 07:06:43,836 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-02-17 07:06:43,836 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-02-17 07:06:43,836 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-02-17 07:06:43,842 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.02 07:06:43" (1/1) ... [2023-02-17 07:06:43,842 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.02 07:06:43" (1/1) ... [2023-02-17 07:06:43,843 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.02 07:06:43" (1/1) ... [2023-02-17 07:06:43,843 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.02 07:06:43" (1/1) ... [2023-02-17 07:06:43,845 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.02 07:06:43" (1/1) ... [2023-02-17 07:06:43,847 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.02 07:06:43" (1/1) ... [2023-02-17 07:06:43,847 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.02 07:06:43" (1/1) ... [2023-02-17 07:06:43,848 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.02 07:06:43" (1/1) ... [2023-02-17 07:06:43,849 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-02-17 07:06:43,849 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-02-17 07:06:43,849 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-02-17 07:06:43,849 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-02-17 07:06:43,850 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.02 07:06:43" (1/1) ... [2023-02-17 07:06:43,866 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-02-17 07:06:43,874 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-17 07:06:43,893 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) [2023-02-17 07:06:43,895 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 [2023-02-17 07:06:43,917 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-02-17 07:06:43,918 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-02-17 07:06:43,918 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-02-17 07:06:43,918 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-02-17 07:06:43,918 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-02-17 07:06:43,918 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-02-17 07:06:43,918 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-02-17 07:06:43,918 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-02-17 07:06:43,958 INFO L235 CfgBuilder]: Building ICFG [2023-02-17 07:06:43,959 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2023-02-17 07:06:44,084 INFO L276 CfgBuilder]: Performing block encoding [2023-02-17 07:06:44,088 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-02-17 07:06:44,088 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2023-02-17 07:06:44,089 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.02 07:06:44 BoogieIcfgContainer [2023-02-17 07:06:44,090 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-02-17 07:06:44,091 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-02-17 07:06:44,091 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-02-17 07:06:44,094 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-02-17 07:06:44,094 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 17.02 07:06:43" (1/3) ... [2023-02-17 07:06:44,094 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3f1078a7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.02 07:06:44, skipping insertion in model container [2023-02-17 07:06:44,095 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.02 07:06:43" (2/3) ... [2023-02-17 07:06:44,095 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3f1078a7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.02 07:06:44, skipping insertion in model container [2023-02-17 07:06:44,095 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.02 07:06:44" (3/3) ... [2023-02-17 07:06:44,096 INFO L112 eAbstractionObserver]: Analyzing ICFG egcd-ll_valuebound5.c [2023-02-17 07:06:44,107 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-02-17 07:06:44,107 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-02-17 07:06:44,135 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-02-17 07:06:44,139 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;@50796c4b, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-02-17 07:06:44,139 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-02-17 07:06:44,143 INFO L276 IsEmpty]: Start isEmpty. Operand has 32 states, 17 states have (on average 1.411764705882353) internal successors, (24), 18 states have internal predecessors, (24), 11 states have call successors, (11), 2 states have call predecessors, (11), 2 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) [2023-02-17 07:06:44,148 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2023-02-17 07:06:44,149 INFO L187 NwaCegarLoop]: Found error trace [2023-02-17 07:06:44,149 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-02-17 07:06:44,149 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-02-17 07:06:44,164 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-17 07:06:44,164 INFO L85 PathProgramCache]: Analyzing trace with hash 501437177, now seen corresponding path program 1 times [2023-02-17 07:06:44,170 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-17 07:06:44,170 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1608886710] [2023-02-17 07:06:44,170 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-17 07:06:44,171 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-17 07:06:44,304 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-02-17 07:06:44,306 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [350477406] [2023-02-17 07:06:44,306 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-17 07:06:44,307 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-02-17 07:06:44,307 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-17 07:06:44,310 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) [2023-02-17 07:06:44,367 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-02-17 07:06:44,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 07:06:44,419 INFO L263 TraceCheckSpWp]: Trace formula consists of 89 conjuncts, 17 conjunts are in the unsatisfiable core [2023-02-17 07:06:44,424 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-02-17 07:06:44,536 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 3 proven. 6 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2023-02-17 07:06:44,537 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-02-17 07:06:44,600 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2023-02-17 07:06:44,600 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-17 07:06:44,601 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1608886710] [2023-02-17 07:06:44,601 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-02-17 07:06:44,601 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [350477406] [2023-02-17 07:06:44,601 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [350477406] provided 1 perfect and 1 imperfect interpolant sequences [2023-02-17 07:06:44,602 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-02-17 07:06:44,602 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [7] total 10 [2023-02-17 07:06:44,603 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1444709571] [2023-02-17 07:06:44,604 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-02-17 07:06:44,607 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-02-17 07:06:44,607 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-17 07:06:44,626 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-02-17 07:06:44,627 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2023-02-17 07:06:44,628 INFO L87 Difference]: Start difference. First operand has 32 states, 17 states have (on average 1.411764705882353) internal successors, (24), 18 states have internal predecessors, (24), 11 states have call successors, (11), 2 states have call predecessors, (11), 2 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) Second operand has 5 states, 5 states have (on average 2.2) internal successors, (11), 4 states have internal predecessors, (11), 2 states have call successors, (5), 2 states have call predecessors, (5), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2023-02-17 07:06:44,775 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-17 07:06:44,775 INFO L93 Difference]: Finished difference Result 79 states and 134 transitions. [2023-02-17 07:06:44,778 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-02-17 07:06:44,779 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 2.2) internal successors, (11), 4 states have internal predecessors, (11), 2 states have call successors, (5), 2 states have call predecessors, (5), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) Word has length 29 [2023-02-17 07:06:44,780 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-17 07:06:44,786 INFO L225 Difference]: With dead ends: 79 [2023-02-17 07:06:44,786 INFO L226 Difference]: Without dead ends: 42 [2023-02-17 07:06:44,790 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 48 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=24, Invalid=86, Unknown=0, NotChecked=0, Total=110 [2023-02-17 07:06:44,796 INFO L413 NwaCegarLoop]: 43 mSDtfsCounter, 11 mSDsluCounter, 102 mSDsCounter, 0 mSdLazyCounter, 41 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 18 SdHoareTripleChecker+Valid, 145 SdHoareTripleChecker+Invalid, 44 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 41 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-02-17 07:06:44,804 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [18 Valid, 145 Invalid, 44 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 41 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-02-17 07:06:44,814 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 42 states. [2023-02-17 07:06:44,829 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 42 to 41. [2023-02-17 07:06:44,830 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 41 states, 20 states have (on average 1.25) internal successors, (25), 22 states have internal predecessors, (25), 17 states have call successors, (17), 3 states have call predecessors, (17), 3 states have return successors, (16), 15 states have call predecessors, (16), 16 states have call successors, (16) [2023-02-17 07:06:44,831 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 41 states and 58 transitions. [2023-02-17 07:06:44,832 INFO L78 Accepts]: Start accepts. Automaton has 41 states and 58 transitions. Word has length 29 [2023-02-17 07:06:44,832 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-17 07:06:44,832 INFO L495 AbstractCegarLoop]: Abstraction has 41 states and 58 transitions. [2023-02-17 07:06:44,832 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 2.2) internal successors, (11), 4 states have internal predecessors, (11), 2 states have call successors, (5), 2 states have call predecessors, (5), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2023-02-17 07:06:44,832 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 58 transitions. [2023-02-17 07:06:44,833 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2023-02-17 07:06:44,833 INFO L187 NwaCegarLoop]: Found error trace [2023-02-17 07:06:44,833 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-02-17 07:06:44,839 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2023-02-17 07:06:45,040 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 [2023-02-17 07:06:45,040 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-02-17 07:06:45,041 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-17 07:06:45,041 INFO L85 PathProgramCache]: Analyzing trace with hash -1017640517, now seen corresponding path program 1 times [2023-02-17 07:06:45,041 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-17 07:06:45,041 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1257831601] [2023-02-17 07:06:45,041 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-17 07:06:45,042 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-17 07:06:45,061 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-02-17 07:06:45,061 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1827683884] [2023-02-17 07:06:45,061 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-17 07:06:45,061 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-02-17 07:06:45,061 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-17 07:06:45,062 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) [2023-02-17 07:06:45,104 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2023-02-17 07:06:45,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 07:06:45,118 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 17 conjunts are in the unsatisfiable core [2023-02-17 07:06:45,120 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-02-17 07:06:45,184 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2023-02-17 07:06:45,184 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-02-17 07:06:45,255 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-17 07:06:45,255 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1257831601] [2023-02-17 07:06:45,255 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-02-17 07:06:45,255 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1827683884] [2023-02-17 07:06:45,255 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1827683884] provided 0 perfect and 1 imperfect interpolant sequences [2023-02-17 07:06:45,256 INFO L184 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2023-02-17 07:06:45,256 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2023-02-17 07:06:45,256 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [146560919] [2023-02-17 07:06:45,256 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2023-02-17 07:06:45,257 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-02-17 07:06:45,257 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-17 07:06:45,257 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-02-17 07:06:45,258 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=68, Unknown=0, NotChecked=0, Total=90 [2023-02-17 07:06:45,259 INFO L87 Difference]: Start difference. First operand 41 states and 58 transitions. Second operand has 7 states, 7 states have (on average 2.0) internal successors, (14), 6 states have internal predecessors, (14), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2023-02-17 07:06:45,369 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-17 07:06:45,370 INFO L93 Difference]: Finished difference Result 48 states and 64 transitions. [2023-02-17 07:06:45,370 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-02-17 07:06:45,370 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 2.0) internal successors, (14), 6 states have internal predecessors, (14), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 34 [2023-02-17 07:06:45,371 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-17 07:06:45,373 INFO L225 Difference]: With dead ends: 48 [2023-02-17 07:06:45,373 INFO L226 Difference]: Without dead ends: 46 [2023-02-17 07:06:45,374 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 29 SyntacticMatches, 1 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=35, Invalid=97, Unknown=0, NotChecked=0, Total=132 [2023-02-17 07:06:45,376 INFO L413 NwaCegarLoop]: 27 mSDtfsCounter, 12 mSDsluCounter, 85 mSDsCounter, 0 mSdLazyCounter, 144 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 17 SdHoareTripleChecker+Valid, 112 SdHoareTripleChecker+Invalid, 144 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 144 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-02-17 07:06:45,376 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [17 Valid, 112 Invalid, 144 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 144 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-02-17 07:06:45,378 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 46 states. [2023-02-17 07:06:45,384 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 46 to 45. [2023-02-17 07:06:45,385 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 45 states, 23 states have (on average 1.2173913043478262) internal successors, (28), 25 states have internal predecessors, (28), 17 states have call successors, (17), 4 states have call predecessors, (17), 4 states have return successors, (16), 15 states have call predecessors, (16), 16 states have call successors, (16) [2023-02-17 07:06:45,386 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 45 states and 61 transitions. [2023-02-17 07:06:45,386 INFO L78 Accepts]: Start accepts. Automaton has 45 states and 61 transitions. Word has length 34 [2023-02-17 07:06:45,386 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-17 07:06:45,386 INFO L495 AbstractCegarLoop]: Abstraction has 45 states and 61 transitions. [2023-02-17 07:06:45,386 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 2.0) internal successors, (14), 6 states have internal predecessors, (14), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2023-02-17 07:06:45,387 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 61 transitions. [2023-02-17 07:06:45,387 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2023-02-17 07:06:45,387 INFO L187 NwaCegarLoop]: Found error trace [2023-02-17 07:06:45,387 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-02-17 07:06:45,405 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2023-02-17 07:06:45,592 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 [2023-02-17 07:06:45,593 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-02-17 07:06:45,593 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-17 07:06:45,594 INFO L85 PathProgramCache]: Analyzing trace with hash 1133401081, now seen corresponding path program 1 times [2023-02-17 07:06:45,594 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-17 07:06:45,594 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [112450737] [2023-02-17 07:06:45,602 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-17 07:06:45,604 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-17 07:06:45,618 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-02-17 07:06:45,619 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1576480593] [2023-02-17 07:06:45,619 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-17 07:06:45,619 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-02-17 07:06:45,620 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-17 07:06:45,621 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) [2023-02-17 07:06:45,645 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2023-02-17 07:06:45,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 07:06:45,705 INFO L263 TraceCheckSpWp]: Trace formula consists of 107 conjuncts, 27 conjunts are in the unsatisfiable core [2023-02-17 07:06:45,707 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-02-17 07:06:45,793 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 9 proven. 10 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2023-02-17 07:06:45,794 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-02-17 07:06:45,833 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2023-02-17 07:06:45,833 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-17 07:06:45,833 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [112450737] [2023-02-17 07:06:45,833 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-02-17 07:06:45,834 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1576480593] [2023-02-17 07:06:45,834 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1576480593] provided 1 perfect and 1 imperfect interpolant sequences [2023-02-17 07:06:45,834 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-02-17 07:06:45,834 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [11] total 13 [2023-02-17 07:06:45,834 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [783985741] [2023-02-17 07:06:45,834 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-02-17 07:06:45,835 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-02-17 07:06:45,835 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-17 07:06:45,835 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-02-17 07:06:45,835 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=127, Unknown=0, NotChecked=0, Total=156 [2023-02-17 07:06:45,836 INFO L87 Difference]: Start difference. First operand 45 states and 61 transitions. Second operand has 5 states, 5 states have (on average 2.8) internal successors, (14), 4 states have internal predecessors, (14), 2 states have call successors, (7), 2 states have call predecessors, (7), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2023-02-17 07:06:45,881 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-17 07:06:45,881 INFO L93 Difference]: Finished difference Result 70 states and 101 transitions. [2023-02-17 07:06:45,881 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-02-17 07:06:45,881 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 2.8) internal successors, (14), 4 states have internal predecessors, (14), 2 states have call successors, (7), 2 states have call predecessors, (7), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 39 [2023-02-17 07:06:45,882 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-17 07:06:45,884 INFO L225 Difference]: With dead ends: 70 [2023-02-17 07:06:45,884 INFO L226 Difference]: Without dead ends: 66 [2023-02-17 07:06:45,884 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 77 GetRequests, 65 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=33, Invalid=149, Unknown=0, NotChecked=0, Total=182 [2023-02-17 07:06:45,885 INFO L413 NwaCegarLoop]: 40 mSDtfsCounter, 7 mSDsluCounter, 80 mSDsCounter, 0 mSdLazyCounter, 53 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11 SdHoareTripleChecker+Valid, 120 SdHoareTripleChecker+Invalid, 55 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 53 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-02-17 07:06:45,885 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [11 Valid, 120 Invalid, 55 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 53 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-02-17 07:06:45,886 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 66 states. [2023-02-17 07:06:45,895 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 66 to 66. [2023-02-17 07:06:45,896 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 66 states, 32 states have (on average 1.28125) internal successors, (41), 36 states have internal predecessors, (41), 28 states have call successors, (28), 5 states have call predecessors, (28), 5 states have return successors, (25), 24 states have call predecessors, (25), 25 states have call successors, (25) [2023-02-17 07:06:45,909 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 66 states and 94 transitions. [2023-02-17 07:06:45,909 INFO L78 Accepts]: Start accepts. Automaton has 66 states and 94 transitions. Word has length 39 [2023-02-17 07:06:45,910 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-17 07:06:45,910 INFO L495 AbstractCegarLoop]: Abstraction has 66 states and 94 transitions. [2023-02-17 07:06:45,910 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 2.8) internal successors, (14), 4 states have internal predecessors, (14), 2 states have call successors, (7), 2 states have call predecessors, (7), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2023-02-17 07:06:45,910 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 94 transitions. [2023-02-17 07:06:45,911 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2023-02-17 07:06:45,911 INFO L187 NwaCegarLoop]: Found error trace [2023-02-17 07:06:45,911 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-02-17 07:06:45,930 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2023-02-17 07:06:46,117 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 [2023-02-17 07:06:46,117 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-02-17 07:06:46,118 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-17 07:06:46,118 INFO L85 PathProgramCache]: Analyzing trace with hash -1954831506, now seen corresponding path program 1 times [2023-02-17 07:06:46,118 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-17 07:06:46,118 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1367933909] [2023-02-17 07:06:46,118 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-17 07:06:46,118 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-17 07:06:46,128 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-02-17 07:06:46,138 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [887292025] [2023-02-17 07:06:46,138 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-17 07:06:46,139 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-02-17 07:06:46,139 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-17 07:06:46,140 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) [2023-02-17 07:06:46,143 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2023-02-17 07:06:46,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 07:06:46,176 INFO L263 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 8 conjunts are in the unsatisfiable core [2023-02-17 07:06:46,177 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-02-17 07:06:46,199 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2023-02-17 07:06:46,199 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-02-17 07:06:46,199 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-17 07:06:46,199 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1367933909] [2023-02-17 07:06:46,199 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-02-17 07:06:46,199 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [887292025] [2023-02-17 07:06:46,199 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [887292025] provided 1 perfect and 0 imperfect interpolant sequences [2023-02-17 07:06:46,199 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-02-17 07:06:46,199 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-02-17 07:06:46,200 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2105109179] [2023-02-17 07:06:46,200 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-02-17 07:06:46,200 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-02-17 07:06:46,200 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-17 07:06:46,201 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-02-17 07:06:46,201 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-02-17 07:06:46,201 INFO L87 Difference]: Start difference. First operand 66 states and 94 transitions. Second operand has 5 states, 4 states have (on average 3.75) internal successors, (15), 4 states have internal predecessors, (15), 2 states have call successors, (8), 2 states have call predecessors, (8), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2023-02-17 07:06:46,228 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-17 07:06:46,229 INFO L93 Difference]: Finished difference Result 72 states and 99 transitions. [2023-02-17 07:06:46,229 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-02-17 07:06:46,229 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 3.75) internal successors, (15), 4 states have internal predecessors, (15), 2 states have call successors, (8), 2 states have call predecessors, (8), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) Word has length 45 [2023-02-17 07:06:46,230 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-17 07:06:46,230 INFO L225 Difference]: With dead ends: 72 [2023-02-17 07:06:46,230 INFO L226 Difference]: Without dead ends: 70 [2023-02-17 07:06:46,231 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 45 GetRequests, 41 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2023-02-17 07:06:46,231 INFO L413 NwaCegarLoop]: 38 mSDtfsCounter, 5 mSDsluCounter, 85 mSDsCounter, 0 mSdLazyCounter, 30 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8 SdHoareTripleChecker+Valid, 123 SdHoareTripleChecker+Invalid, 30 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 30 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-02-17 07:06:46,232 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8 Valid, 123 Invalid, 30 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 30 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-02-17 07:06:46,232 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 70 states. [2023-02-17 07:06:46,240 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 70 to 70. [2023-02-17 07:06:46,241 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 70 states, 35 states have (on average 1.2571428571428571) internal successors, (44), 39 states have internal predecessors, (44), 28 states have call successors, (28), 6 states have call predecessors, (28), 6 states have return successors, (25), 24 states have call predecessors, (25), 25 states have call successors, (25) [2023-02-17 07:06:46,241 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 70 states and 97 transitions. [2023-02-17 07:06:46,242 INFO L78 Accepts]: Start accepts. Automaton has 70 states and 97 transitions. Word has length 45 [2023-02-17 07:06:46,242 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-17 07:06:46,242 INFO L495 AbstractCegarLoop]: Abstraction has 70 states and 97 transitions. [2023-02-17 07:06:46,242 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 3.75) internal successors, (15), 4 states have internal predecessors, (15), 2 states have call successors, (8), 2 states have call predecessors, (8), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2023-02-17 07:06:46,242 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 97 transitions. [2023-02-17 07:06:46,243 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2023-02-17 07:06:46,243 INFO L187 NwaCegarLoop]: Found error trace [2023-02-17 07:06:46,243 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-02-17 07:06:46,254 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2023-02-17 07:06:46,448 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-02-17 07:06:46,449 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-02-17 07:06:46,449 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-17 07:06:46,449 INFO L85 PathProgramCache]: Analyzing trace with hash -1322486933, now seen corresponding path program 1 times [2023-02-17 07:06:46,449 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-17 07:06:46,450 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [706983834] [2023-02-17 07:06:46,450 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-17 07:06:46,450 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-17 07:06:46,461 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-02-17 07:06:46,461 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1986473272] [2023-02-17 07:06:46,462 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-17 07:06:46,462 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-02-17 07:06:46,462 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-17 07:06:46,463 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) [2023-02-17 07:06:46,465 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2023-02-17 07:06:46,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 07:06:46,500 INFO L263 TraceCheckSpWp]: Trace formula consists of 125 conjuncts, 19 conjunts are in the unsatisfiable core [2023-02-17 07:06:46,501 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-02-17 07:06:46,535 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 11 proven. 1 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2023-02-17 07:06:46,535 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-02-17 07:06:46,578 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-17 07:06:46,579 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [706983834] [2023-02-17 07:06:46,579 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-02-17 07:06:46,579 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1986473272] [2023-02-17 07:06:46,579 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1986473272] provided 0 perfect and 1 imperfect interpolant sequences [2023-02-17 07:06:46,579 INFO L184 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2023-02-17 07:06:46,579 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2023-02-17 07:06:46,580 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2045216711] [2023-02-17 07:06:46,580 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2023-02-17 07:06:46,580 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-02-17 07:06:46,581 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-17 07:06:46,581 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-02-17 07:06:46,581 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2023-02-17 07:06:46,582 INFO L87 Difference]: Start difference. First operand 70 states and 97 transitions. Second operand has 7 states, 7 states have (on average 2.7142857142857144) internal successors, (19), 6 states have internal predecessors, (19), 2 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2023-02-17 07:06:46,669 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-17 07:06:46,670 INFO L93 Difference]: Finished difference Result 80 states and 105 transitions. [2023-02-17 07:06:46,670 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-02-17 07:06:46,670 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), 2 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) Word has length 47 [2023-02-17 07:06:46,671 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-17 07:06:46,672 INFO L225 Difference]: With dead ends: 80 [2023-02-17 07:06:46,672 INFO L226 Difference]: Without dead ends: 77 [2023-02-17 07:06:46,673 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 56 GetRequests, 45 SyntacticMatches, 2 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=31, Invalid=79, Unknown=0, NotChecked=0, Total=110 [2023-02-17 07:06:46,673 INFO L413 NwaCegarLoop]: 28 mSDtfsCounter, 13 mSDsluCounter, 80 mSDsCounter, 0 mSdLazyCounter, 100 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 15 SdHoareTripleChecker+Valid, 108 SdHoareTripleChecker+Invalid, 102 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 100 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-02-17 07:06:46,674 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [15 Valid, 108 Invalid, 102 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 100 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-02-17 07:06:46,674 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 77 states. [2023-02-17 07:06:46,685 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 77 to 75. [2023-02-17 07:06:46,685 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 75 states, 41 states have (on average 1.2195121951219512) internal successors, (50), 44 states have internal predecessors, (50), 25 states have call successors, (25), 8 states have call predecessors, (25), 8 states have return successors, (23), 22 states have call predecessors, (23), 23 states have call successors, (23) [2023-02-17 07:06:46,686 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 75 states and 98 transitions. [2023-02-17 07:06:46,687 INFO L78 Accepts]: Start accepts. Automaton has 75 states and 98 transitions. Word has length 47 [2023-02-17 07:06:46,687 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-17 07:06:46,687 INFO L495 AbstractCegarLoop]: Abstraction has 75 states and 98 transitions. [2023-02-17 07:06:46,687 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), 2 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2023-02-17 07:06:46,688 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 98 transitions. [2023-02-17 07:06:46,689 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-02-17 07:06:46,689 INFO L187 NwaCegarLoop]: Found error trace [2023-02-17 07:06:46,689 INFO L195 NwaCegarLoop]: trace histogram [5, 4, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-02-17 07:06:46,711 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2023-02-17 07:06:46,895 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-02-17 07:06:46,896 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-02-17 07:06:46,896 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-17 07:06:46,896 INFO L85 PathProgramCache]: Analyzing trace with hash 1617953190, now seen corresponding path program 1 times [2023-02-17 07:06:46,896 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-17 07:06:46,897 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1220171495] [2023-02-17 07:06:46,897 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-17 07:06:46,897 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-17 07:06:46,917 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-02-17 07:06:46,917 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1573564773] [2023-02-17 07:06:46,918 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-17 07:06:46,918 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-02-17 07:06:46,918 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-17 07:06:46,943 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) [2023-02-17 07:06:46,944 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2023-02-17 07:06:46,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 07:06:46,985 INFO L263 TraceCheckSpWp]: Trace formula consists of 127 conjuncts, 18 conjunts are in the unsatisfiable core [2023-02-17 07:06:46,987 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-02-17 07:06:47,024 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 15 proven. 5 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2023-02-17 07:06:47,025 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-02-17 07:06:47,112 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 15 proven. 5 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2023-02-17 07:06:47,112 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-17 07:06:47,112 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1220171495] [2023-02-17 07:06:47,112 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-02-17 07:06:47,112 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1573564773] [2023-02-17 07:06:47,113 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1573564773] provided 0 perfect and 2 imperfect interpolant sequences [2023-02-17 07:06:47,113 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-02-17 07:06:47,113 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 8] total 12 [2023-02-17 07:06:47,113 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [134187603] [2023-02-17 07:06:47,113 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-02-17 07:06:47,114 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2023-02-17 07:06:47,114 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-17 07:06:47,115 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2023-02-17 07:06:47,115 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=101, Unknown=0, NotChecked=0, Total=132 [2023-02-17 07:06:47,115 INFO L87 Difference]: Start difference. First operand 75 states and 98 transitions. Second operand has 12 states, 9 states have (on average 2.5555555555555554) internal successors, (23), 9 states have internal predecessors, (23), 5 states have call successors, (11), 3 states have call predecessors, (11), 2 states have return successors, (9), 3 states have call predecessors, (9), 4 states have call successors, (9) [2023-02-17 07:06:47,237 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-17 07:06:47,238 INFO L93 Difference]: Finished difference Result 84 states and 108 transitions. [2023-02-17 07:06:47,238 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-02-17 07:06:47,238 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 9 states have (on average 2.5555555555555554) internal successors, (23), 9 states have internal predecessors, (23), 5 states have call successors, (11), 3 states have call predecessors, (11), 2 states have return successors, (9), 3 states have call predecessors, (9), 4 states have call successors, (9) Word has length 50 [2023-02-17 07:06:47,239 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-17 07:06:47,240 INFO L225 Difference]: With dead ends: 84 [2023-02-17 07:06:47,240 INFO L226 Difference]: Without dead ends: 80 [2023-02-17 07:06:47,240 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 100 GetRequests, 84 SyntacticMatches, 4 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 31 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=46, Invalid=136, Unknown=0, NotChecked=0, Total=182 [2023-02-17 07:06:47,241 INFO L413 NwaCegarLoop]: 27 mSDtfsCounter, 16 mSDsluCounter, 97 mSDsCounter, 0 mSdLazyCounter, 152 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 20 SdHoareTripleChecker+Valid, 124 SdHoareTripleChecker+Invalid, 161 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 152 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-02-17 07:06:47,241 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [20 Valid, 124 Invalid, 161 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 152 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-02-17 07:06:47,242 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 80 states. [2023-02-17 07:06:47,252 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 80 to 80. [2023-02-17 07:06:47,253 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 80 states, 45 states have (on average 1.1555555555555554) internal successors, (52), 48 states have internal predecessors, (52), 25 states have call successors, (25), 9 states have call predecessors, (25), 9 states have return successors, (24), 22 states have call predecessors, (24), 24 states have call successors, (24) [2023-02-17 07:06:47,254 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 80 states and 101 transitions. [2023-02-17 07:06:47,254 INFO L78 Accepts]: Start accepts. Automaton has 80 states and 101 transitions. Word has length 50 [2023-02-17 07:06:47,254 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-17 07:06:47,254 INFO L495 AbstractCegarLoop]: Abstraction has 80 states and 101 transitions. [2023-02-17 07:06:47,255 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 9 states have (on average 2.5555555555555554) internal successors, (23), 9 states have internal predecessors, (23), 5 states have call successors, (11), 3 states have call predecessors, (11), 2 states have return successors, (9), 3 states have call predecessors, (9), 4 states have call successors, (9) [2023-02-17 07:06:47,255 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 101 transitions. [2023-02-17 07:06:47,255 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2023-02-17 07:06:47,256 INFO L187 NwaCegarLoop]: Found error trace [2023-02-17 07:06:47,256 INFO L195 NwaCegarLoop]: trace histogram [5, 4, 4, 4, 4, 4, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-02-17 07:06:47,271 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2023-02-17 07:06:47,462 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-02-17 07:06:47,462 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-02-17 07:06:47,463 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-17 07:06:47,463 INFO L85 PathProgramCache]: Analyzing trace with hash 860577929, now seen corresponding path program 2 times [2023-02-17 07:06:47,463 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-17 07:06:47,463 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1889162353] [2023-02-17 07:06:47,464 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-17 07:06:47,464 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-17 07:06:47,473 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-02-17 07:06:47,474 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1040307672] [2023-02-17 07:06:47,474 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-02-17 07:06:47,474 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-02-17 07:06:47,474 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-17 07:06:47,475 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) [2023-02-17 07:06:47,478 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2023-02-17 07:06:47,525 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2023-02-17 07:06:47,526 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-02-17 07:06:47,527 INFO L263 TraceCheckSpWp]: Trace formula consists of 134 conjuncts, 31 conjunts are in the unsatisfiable core [2023-02-17 07:06:47,529 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-02-17 07:06:47,569 INFO L134 CoverageAnalysis]: Checked inductivity of 59 backedges. 13 proven. 7 refuted. 0 times theorem prover too weak. 39 trivial. 0 not checked. [2023-02-17 07:06:47,570 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-02-17 07:06:47,644 INFO L134 CoverageAnalysis]: Checked inductivity of 59 backedges. 16 proven. 4 refuted. 0 times theorem prover too weak. 39 trivial. 0 not checked. [2023-02-17 07:06:47,644 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-17 07:06:47,645 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1889162353] [2023-02-17 07:06:47,645 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-02-17 07:06:47,645 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1040307672] [2023-02-17 07:06:47,645 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1040307672] provided 0 perfect and 2 imperfect interpolant sequences [2023-02-17 07:06:47,645 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-02-17 07:06:47,645 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 13 [2023-02-17 07:06:47,645 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1574085003] [2023-02-17 07:06:47,645 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-02-17 07:06:47,646 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2023-02-17 07:06:47,646 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-17 07:06:47,646 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2023-02-17 07:06:47,647 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=121, Unknown=0, NotChecked=0, Total=156 [2023-02-17 07:06:47,647 INFO L87 Difference]: Start difference. First operand 80 states and 101 transitions. Second operand has 13 states, 13 states have (on average 2.230769230769231) internal successors, (29), 12 states have internal predecessors, (29), 5 states have call successors, (14), 3 states have call predecessors, (14), 2 states have return successors, (12), 6 states have call predecessors, (12), 5 states have call successors, (12) [2023-02-17 07:06:48,126 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-17 07:06:48,127 INFO L93 Difference]: Finished difference Result 106 states and 137 transitions. [2023-02-17 07:06:48,127 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-02-17 07:06:48,127 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 2.230769230769231) internal successors, (29), 12 states have internal predecessors, (29), 5 states have call successors, (14), 3 states have call predecessors, (14), 2 states have return successors, (12), 6 states have call predecessors, (12), 5 states have call successors, (12) Word has length 52 [2023-02-17 07:06:48,127 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-17 07:06:48,128 INFO L225 Difference]: With dead ends: 106 [2023-02-17 07:06:48,128 INFO L226 Difference]: Without dead ends: 99 [2023-02-17 07:06:48,128 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 106 GetRequests, 89 SyntacticMatches, 2 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 27 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=63, Invalid=209, Unknown=0, NotChecked=0, Total=272 [2023-02-17 07:06:48,129 INFO L413 NwaCegarLoop]: 32 mSDtfsCounter, 23 mSDsluCounter, 112 mSDsCounter, 0 mSdLazyCounter, 279 mSolverCounterSat, 43 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 23 SdHoareTripleChecker+Valid, 144 SdHoareTripleChecker+Invalid, 322 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 43 IncrementalHoareTripleChecker+Valid, 279 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2023-02-17 07:06:48,129 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [23 Valid, 144 Invalid, 322 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [43 Valid, 279 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2023-02-17 07:06:48,129 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 99 states. [2023-02-17 07:06:48,139 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 99 to 84. [2023-02-17 07:06:48,139 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 84 states, 51 states have (on average 1.1176470588235294) internal successors, (57), 53 states have internal predecessors, (57), 21 states have call successors, (21), 11 states have call predecessors, (21), 11 states have return successors, (20), 19 states have call predecessors, (20), 20 states have call successors, (20) [2023-02-17 07:06:48,140 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 84 states and 98 transitions. [2023-02-17 07:06:48,140 INFO L78 Accepts]: Start accepts. Automaton has 84 states and 98 transitions. Word has length 52 [2023-02-17 07:06:48,140 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-17 07:06:48,140 INFO L495 AbstractCegarLoop]: Abstraction has 84 states and 98 transitions. [2023-02-17 07:06:48,140 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 2.230769230769231) internal successors, (29), 12 states have internal predecessors, (29), 5 states have call successors, (14), 3 states have call predecessors, (14), 2 states have return successors, (12), 6 states have call predecessors, (12), 5 states have call successors, (12) [2023-02-17 07:06:48,141 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 98 transitions. [2023-02-17 07:06:48,141 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2023-02-17 07:06:48,141 INFO L187 NwaCegarLoop]: Found error trace [2023-02-17 07:06:48,141 INFO L195 NwaCegarLoop]: trace histogram [7, 6, 6, 4, 4, 4, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-02-17 07:06:48,148 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2023-02-17 07:06:48,346 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-02-17 07:06:48,346 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-02-17 07:06:48,347 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-17 07:06:48,347 INFO L85 PathProgramCache]: Analyzing trace with hash 1236716699, now seen corresponding path program 1 times [2023-02-17 07:06:48,347 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-17 07:06:48,347 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1809367778] [2023-02-17 07:06:48,347 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-17 07:06:48,347 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-17 07:06:48,355 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-02-17 07:06:48,355 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2058685642] [2023-02-17 07:06:48,356 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-17 07:06:48,356 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-02-17 07:06:48,356 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-17 07:06:48,357 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) [2023-02-17 07:06:48,359 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2023-02-17 07:06:48,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 07:06:48,408 INFO L263 TraceCheckSpWp]: Trace formula consists of 161 conjuncts, 31 conjunts are in the unsatisfiable core [2023-02-17 07:06:48,409 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-02-17 07:06:48,454 INFO L134 CoverageAnalysis]: Checked inductivity of 106 backedges. 18 proven. 13 refuted. 0 times theorem prover too weak. 75 trivial. 0 not checked. [2023-02-17 07:06:48,455 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-02-17 07:06:48,547 INFO L134 CoverageAnalysis]: Checked inductivity of 106 backedges. 16 proven. 6 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2023-02-17 07:06:48,547 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-17 07:06:48,548 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1809367778] [2023-02-17 07:06:48,548 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-02-17 07:06:48,548 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2058685642] [2023-02-17 07:06:48,548 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2058685642] provided 0 perfect and 2 imperfect interpolant sequences [2023-02-17 07:06:48,548 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-02-17 07:06:48,548 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 7] total 15 [2023-02-17 07:06:48,548 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1826406013] [2023-02-17 07:06:48,548 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-02-17 07:06:48,549 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2023-02-17 07:06:48,549 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-17 07:06:48,549 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2023-02-17 07:06:48,550 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=40, Invalid=170, Unknown=0, NotChecked=0, Total=210 [2023-02-17 07:06:48,550 INFO L87 Difference]: Start difference. First operand 84 states and 98 transitions. Second operand has 15 states, 15 states have (on average 2.2) internal successors, (33), 12 states have internal predecessors, (33), 8 states have call successors, (19), 3 states have call predecessors, (19), 2 states have return successors, (18), 6 states have call predecessors, (18), 6 states have call successors, (18) [2023-02-17 07:06:48,969 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-17 07:06:48,969 INFO L93 Difference]: Finished difference Result 99 states and 124 transitions. [2023-02-17 07:06:48,970 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2023-02-17 07:06:48,970 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 15 states have (on average 2.2) internal successors, (33), 12 states have internal predecessors, (33), 8 states have call successors, (19), 3 states have call predecessors, (19), 2 states have return successors, (18), 6 states have call predecessors, (18), 6 states have call successors, (18) Word has length 65 [2023-02-17 07:06:48,970 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-17 07:06:48,970 INFO L225 Difference]: With dead ends: 99 [2023-02-17 07:06:48,970 INFO L226 Difference]: Without dead ends: 0 [2023-02-17 07:06:48,971 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 134 GetRequests, 115 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=80, Invalid=340, Unknown=0, NotChecked=0, Total=420 [2023-02-17 07:06:48,971 INFO L413 NwaCegarLoop]: 40 mSDtfsCounter, 33 mSDsluCounter, 150 mSDsCounter, 0 mSdLazyCounter, 280 mSolverCounterSat, 47 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 33 SdHoareTripleChecker+Valid, 190 SdHoareTripleChecker+Invalid, 327 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 47 IncrementalHoareTripleChecker+Valid, 280 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2023-02-17 07:06:48,972 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [33 Valid, 190 Invalid, 327 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [47 Valid, 280 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2023-02-17 07:06:48,972 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2023-02-17 07:06:48,972 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2023-02-17 07:06:48,972 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-17 07:06:48,972 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2023-02-17 07:06:48,972 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 65 [2023-02-17 07:06:48,972 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-17 07:06:48,972 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-02-17 07:06:48,972 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 2.2) internal successors, (33), 12 states have internal predecessors, (33), 8 states have call successors, (19), 3 states have call predecessors, (19), 2 states have return successors, (18), 6 states have call predecessors, (18), 6 states have call successors, (18) [2023-02-17 07:06:48,973 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2023-02-17 07:06:48,973 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-02-17 07:06:48,974 INFO L805 garLoopResultBuilder]: Registering result SAFE for location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-02-17 07:06:48,995 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2023-02-17 07:06:49,180 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,SelfDestructingSolverStorable7 [2023-02-17 07:06:49,182 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2023-02-17 07:06:49,193 INFO L895 garLoopResultBuilder]: At program point L35-2(lines 35 52) the Hoare annotation is: (let ((.cse12 (- |ULTIMATE.start_main_~q~0#1|)) (.cse10 (* |ULTIMATE.start_main_~r~0#1| (- 1)))) (let ((.cse7 (* |ULTIMATE.start_main_~p~0#1| |ULTIMATE.start_main_~s~0#1|)) (.cse11 (= .cse10 1)) (.cse2 (= |ULTIMATE.start_main_~a~0#1| (+ (* |ULTIMATE.start_main_~y~0#1| |ULTIMATE.start_main_~r~0#1|) (* |ULTIMATE.start_main_~x~0#1| |ULTIMATE.start_main_~p~0#1|)))) (.cse4 (= |ULTIMATE.start_main_~a~0#1| |ULTIMATE.start_main_~b~0#1|)) (.cse6 (= (+ |ULTIMATE.start_main_~a~0#1| (- |ULTIMATE.start_main_~b~0#1|)) (+ (* |ULTIMATE.start_main_~y~0#1| (+ |ULTIMATE.start_main_~r~0#1| (- |ULTIMATE.start_main_~s~0#1|))) (* |ULTIMATE.start_main_~x~0#1| (+ |ULTIMATE.start_main_~p~0#1| .cse12)))))) (let ((.cse8 (>= |ULTIMATE.start_main_~x~0#1| 1)) (.cse9 (or (and (= (+ (* |ULTIMATE.start_main_~p~0#1| (- 1)) 1) 0) (= (+ |ULTIMATE.start_main_~a~0#1| |ULTIMATE.start_main_~y~0#1|) |ULTIMATE.start_main_~x~0#1|) .cse2 .cse4 .cse6 .cse11) (and .cse2 .cse4 .cse6))) (.cse0 (forall ((|ULTIMATE.start_main_~q~0#1| Int)) (= 1 (+ .cse7 (- (* |ULTIMATE.start_main_~r~0#1| |ULTIMATE.start_main_~q~0#1|)))))) (.cse1 (= |ULTIMATE.start_main_~a~0#1| |ULTIMATE.start_main_~x~0#1|)) (.cse3 (= |ULTIMATE.start_main_~p~0#1| 1)) (.cse5 (= |ULTIMATE.start_main_~r~0#1| 0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6) (and (= 1 (+ .cse7 (- (* |ULTIMATE.start_main_~r~0#1| |ULTIMATE.start_main_~q~0#1|)))) .cse8 .cse9) (and (= |ULTIMATE.start_main_~s~0#1| (+ .cse10 (- |ULTIMATE.start_main_~r~0#1|))) .cse8 (= (+ |ULTIMATE.start_main_~q~0#1| |ULTIMATE.start_main_~p~0#1|) 0) .cse11 .cse9 (= |ULTIMATE.start_main_~p~0#1| (+ 1 (+ .cse12 (- |ULTIMATE.start_main_~p~0#1|))))) (and .cse2 .cse4 (let ((.cse13 (= |ULTIMATE.start_main_~q~0#1| 0)) (.cse14 (= |ULTIMATE.start_main_~b~0#1| (+ (* |ULTIMATE.start_main_~x~0#1| |ULTIMATE.start_main_~q~0#1|) (* |ULTIMATE.start_main_~y~0#1| |ULTIMATE.start_main_~s~0#1|)))) (.cse15 (= |ULTIMATE.start_main_~s~0#1| 1))) (or (and .cse4 .cse3 .cse13 .cse14 .cse15) (and .cse0 .cse1 .cse3 .cse4 .cse5 .cse13 .cse14 .cse15)))))))) [2023-02-17 07:06:49,193 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2023-02-17 07:06:49,193 INFO L895 garLoopResultBuilder]: At program point L25(line 25) the Hoare annotation is: (>= |ULTIMATE.start_main_~x~0#1| 1) [2023-02-17 07:06:49,193 INFO L895 garLoopResultBuilder]: At program point L56(line 56) the Hoare annotation is: (let ((.cse0 (= |ULTIMATE.start_main_~a~0#1| (+ (* |ULTIMATE.start_main_~y~0#1| |ULTIMATE.start_main_~r~0#1|) (* |ULTIMATE.start_main_~x~0#1| |ULTIMATE.start_main_~p~0#1|)))) (.cse1 (= |ULTIMATE.start_main_~a~0#1| |ULTIMATE.start_main_~b~0#1|)) (.cse2 (= (+ |ULTIMATE.start_main_~a~0#1| (- |ULTIMATE.start_main_~b~0#1|)) (+ (* |ULTIMATE.start_main_~y~0#1| (+ |ULTIMATE.start_main_~r~0#1| (- |ULTIMATE.start_main_~s~0#1|))) (* |ULTIMATE.start_main_~x~0#1| (+ |ULTIMATE.start_main_~p~0#1| (- |ULTIMATE.start_main_~q~0#1|))))))) (or (and (= (+ (* |ULTIMATE.start_main_~p~0#1| (- 1)) 1) 0) (= (+ |ULTIMATE.start_main_~a~0#1| |ULTIMATE.start_main_~y~0#1|) |ULTIMATE.start_main_~x~0#1|) .cse0 .cse1 .cse2 (= (* |ULTIMATE.start_main_~r~0#1| (- 1)) 1)) (and .cse0 .cse1 .cse2) (= |ULTIMATE.start_main_~b~0#1| (+ (* |ULTIMATE.start_main_~x~0#1| |ULTIMATE.start_main_~q~0#1|) (* |ULTIMATE.start_main_~y~0#1| |ULTIMATE.start_main_~s~0#1|))))) [2023-02-17 07:06:49,194 INFO L895 garLoopResultBuilder]: At program point L54(line 54) the Hoare annotation is: (let ((.cse12 (- |ULTIMATE.start_main_~q~0#1|)) (.cse10 (* |ULTIMATE.start_main_~r~0#1| (- 1)))) (let ((.cse7 (* |ULTIMATE.start_main_~p~0#1| |ULTIMATE.start_main_~s~0#1|)) (.cse11 (= .cse10 1)) (.cse2 (= |ULTIMATE.start_main_~a~0#1| (+ (* |ULTIMATE.start_main_~y~0#1| |ULTIMATE.start_main_~r~0#1|) (* |ULTIMATE.start_main_~x~0#1| |ULTIMATE.start_main_~p~0#1|)))) (.cse4 (= |ULTIMATE.start_main_~a~0#1| |ULTIMATE.start_main_~b~0#1|)) (.cse6 (= (+ |ULTIMATE.start_main_~a~0#1| (- |ULTIMATE.start_main_~b~0#1|)) (+ (* |ULTIMATE.start_main_~y~0#1| (+ |ULTIMATE.start_main_~r~0#1| (- |ULTIMATE.start_main_~s~0#1|))) (* |ULTIMATE.start_main_~x~0#1| (+ |ULTIMATE.start_main_~p~0#1| .cse12)))))) (let ((.cse8 (>= |ULTIMATE.start_main_~x~0#1| 1)) (.cse9 (or (and (= (+ (* |ULTIMATE.start_main_~p~0#1| (- 1)) 1) 0) (= (+ |ULTIMATE.start_main_~a~0#1| |ULTIMATE.start_main_~y~0#1|) |ULTIMATE.start_main_~x~0#1|) .cse2 .cse4 .cse6 .cse11) (and .cse2 .cse4 .cse6))) (.cse0 (forall ((|ULTIMATE.start_main_~q~0#1| Int)) (= 1 (+ .cse7 (- (* |ULTIMATE.start_main_~r~0#1| |ULTIMATE.start_main_~q~0#1|)))))) (.cse1 (= |ULTIMATE.start_main_~a~0#1| |ULTIMATE.start_main_~x~0#1|)) (.cse3 (= |ULTIMATE.start_main_~p~0#1| 1)) (.cse5 (= |ULTIMATE.start_main_~r~0#1| 0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6) (and (= 1 (+ .cse7 (- (* |ULTIMATE.start_main_~r~0#1| |ULTIMATE.start_main_~q~0#1|)))) .cse8 .cse9) (and (= |ULTIMATE.start_main_~s~0#1| (+ .cse10 (- |ULTIMATE.start_main_~r~0#1|))) .cse8 (= (+ |ULTIMATE.start_main_~q~0#1| |ULTIMATE.start_main_~p~0#1|) 0) .cse11 .cse9 (= |ULTIMATE.start_main_~p~0#1| (+ 1 (+ .cse12 (- |ULTIMATE.start_main_~p~0#1|))))) (and .cse2 .cse4 (let ((.cse13 (= |ULTIMATE.start_main_~q~0#1| 0)) (.cse14 (= |ULTIMATE.start_main_~b~0#1| (+ (* |ULTIMATE.start_main_~x~0#1| |ULTIMATE.start_main_~q~0#1|) (* |ULTIMATE.start_main_~y~0#1| |ULTIMATE.start_main_~s~0#1|)))) (.cse15 (= |ULTIMATE.start_main_~s~0#1| 1))) (or (and .cse4 .cse3 .cse13 .cse14 .cse15) (and .cse0 .cse1 .cse3 .cse4 .cse5 .cse13 .cse14 .cse15)))))))) [2023-02-17 07:06:49,194 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(line -1) no Hoare annotation was computed. [2023-02-17 07:06:49,194 INFO L902 garLoopResultBuilder]: At program point main_returnLabel#1(lines 18 59) the Hoare annotation is: true [2023-02-17 07:06:49,194 INFO L899 garLoopResultBuilder]: For program point L38(lines 35 52) no Hoare annotation was computed. [2023-02-17 07:06:49,194 INFO L895 garLoopResultBuilder]: At program point L36(line 36) the Hoare annotation is: (let ((.cse11 (* |ULTIMATE.start_main_~r~0#1| (- 1))) (.cse13 (- |ULTIMATE.start_main_~q~0#1|))) (let ((.cse3 (= |ULTIMATE.start_main_~p~0#1| 1)) (.cse6 (= |ULTIMATE.start_main_~q~0#1| 0)) (.cse7 (= |ULTIMATE.start_main_~b~0#1| (+ (* |ULTIMATE.start_main_~x~0#1| |ULTIMATE.start_main_~q~0#1|) (* |ULTIMATE.start_main_~y~0#1| |ULTIMATE.start_main_~s~0#1|)))) (.cse8 (= |ULTIMATE.start_main_~s~0#1| 1)) (.cse16 (* |ULTIMATE.start_main_~p~0#1| |ULTIMATE.start_main_~s~0#1|)) (.cse17 (= (+ (* |ULTIMATE.start_main_~p~0#1| (- 1)) 1) 0)) (.cse18 (= (+ |ULTIMATE.start_main_~a~0#1| |ULTIMATE.start_main_~y~0#1|) |ULTIMATE.start_main_~x~0#1|)) (.cse2 (= |ULTIMATE.start_main_~a~0#1| (+ (* |ULTIMATE.start_main_~y~0#1| |ULTIMATE.start_main_~r~0#1|) (* |ULTIMATE.start_main_~x~0#1| |ULTIMATE.start_main_~p~0#1|)))) (.cse14 (= (+ |ULTIMATE.start_main_~a~0#1| (- |ULTIMATE.start_main_~b~0#1|)) (+ (* |ULTIMATE.start_main_~y~0#1| (+ |ULTIMATE.start_main_~r~0#1| (- |ULTIMATE.start_main_~s~0#1|))) (* |ULTIMATE.start_main_~x~0#1| (+ |ULTIMATE.start_main_~p~0#1| .cse13))))) (.cse12 (= .cse11 1))) (let ((.cse10 (or (and .cse2 .cse14) (and .cse17 .cse18 .cse2 .cse14 .cse12))) (.cse0 (forall ((|ULTIMATE.start_main_~q~0#1| Int)) (= 1 (+ .cse16 (- (* |ULTIMATE.start_main_~r~0#1| |ULTIMATE.start_main_~q~0#1|)))))) (.cse1 (= |ULTIMATE.start_main_~a~0#1| |ULTIMATE.start_main_~x~0#1|)) (.cse5 (= |ULTIMATE.start_main_~r~0#1| 0)) (.cse15 (or (and .cse17 .cse18 .cse3 .cse6 .cse7 .cse14 .cse8 .cse12) (and .cse2 .cse3 .cse6 .cse7 .cse14 .cse8))) (.cse9 (= 1 (+ .cse16 (- (* |ULTIMATE.start_main_~r~0#1| |ULTIMATE.start_main_~q~0#1|))))) (.cse4 (>= |ULTIMATE.start_main_~x~0#1| 1))) (or (and (= |ULTIMATE.start_main_~b~0#1| |ULTIMATE.start_main_~y~0#1|) .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8) (and .cse9 .cse4 .cse10) (and (= |ULTIMATE.start_main_~s~0#1| (+ .cse11 (- |ULTIMATE.start_main_~r~0#1|))) .cse4 .cse10 (= (+ |ULTIMATE.start_main_~q~0#1| |ULTIMATE.start_main_~p~0#1|) 0) .cse12 (= |ULTIMATE.start_main_~p~0#1| (+ 1 (+ .cse13 (- |ULTIMATE.start_main_~p~0#1|))))) (and .cse9 .cse2 .cse4 .cse14) (and .cse0 .cse9 .cse1 .cse2 .cse3 .cse4 .cse5 .cse14) (and .cse15 (= |ULTIMATE.start_main_~p~0#1| (+ 1 .cse13)) (= (+ |ULTIMATE.start_main_~r~0#1| |ULTIMATE.start_main_~s~0#1|) 0) (<= (+ |ULTIMATE.start_main_~b~0#1| 1) (+ |ULTIMATE.start_main_~a~0#1| |ULTIMATE.start_main_~b~0#1|)) .cse4 .cse6 .cse8) (and .cse15 .cse9 .cse4))))) [2023-02-17 07:06:49,195 INFO L895 garLoopResultBuilder]: At program point L36-1(line 36) the Hoare annotation is: (let ((.cse11 (* |ULTIMATE.start_main_~r~0#1| (- 1))) (.cse13 (- |ULTIMATE.start_main_~q~0#1|))) (let ((.cse6 (= |ULTIMATE.start_main_~p~0#1| 1)) (.cse8 (= |ULTIMATE.start_main_~q~0#1| 0)) (.cse9 (= |ULTIMATE.start_main_~b~0#1| (+ (* |ULTIMATE.start_main_~x~0#1| |ULTIMATE.start_main_~q~0#1|) (* |ULTIMATE.start_main_~y~0#1| |ULTIMATE.start_main_~s~0#1|)))) (.cse10 (= |ULTIMATE.start_main_~s~0#1| 1)) (.cse16 (* |ULTIMATE.start_main_~p~0#1| |ULTIMATE.start_main_~s~0#1|)) (.cse17 (= (+ (* |ULTIMATE.start_main_~p~0#1| (- 1)) 1) 0)) (.cse18 (= (+ |ULTIMATE.start_main_~a~0#1| |ULTIMATE.start_main_~y~0#1|) |ULTIMATE.start_main_~x~0#1|)) (.cse5 (= |ULTIMATE.start_main_~a~0#1| (+ (* |ULTIMATE.start_main_~y~0#1| |ULTIMATE.start_main_~r~0#1|) (* |ULTIMATE.start_main_~x~0#1| |ULTIMATE.start_main_~p~0#1|)))) (.cse14 (= (+ |ULTIMATE.start_main_~a~0#1| (- |ULTIMATE.start_main_~b~0#1|)) (+ (* |ULTIMATE.start_main_~y~0#1| (+ |ULTIMATE.start_main_~r~0#1| (- |ULTIMATE.start_main_~s~0#1|))) (* |ULTIMATE.start_main_~x~0#1| (+ |ULTIMATE.start_main_~p~0#1| .cse13))))) (.cse12 (= .cse11 1))) (let ((.cse2 (or (and .cse5 .cse14) (and .cse17 .cse18 .cse5 .cse14 .cse12))) (.cse3 (forall ((|ULTIMATE.start_main_~q~0#1| Int)) (= 1 (+ .cse16 (- (* |ULTIMATE.start_main_~r~0#1| |ULTIMATE.start_main_~q~0#1|)))))) (.cse4 (= |ULTIMATE.start_main_~a~0#1| |ULTIMATE.start_main_~x~0#1|)) (.cse7 (= |ULTIMATE.start_main_~r~0#1| 0)) (.cse15 (or (and .cse17 .cse18 .cse6 .cse8 .cse9 .cse14 .cse10 .cse12) (and .cse5 .cse6 .cse8 .cse9 .cse14 .cse10))) (.cse0 (= 1 (+ .cse16 (- (* |ULTIMATE.start_main_~r~0#1| |ULTIMATE.start_main_~q~0#1|))))) (.cse1 (>= |ULTIMATE.start_main_~x~0#1| 1))) (or (and .cse0 .cse1 .cse2) (and (= |ULTIMATE.start_main_~b~0#1| |ULTIMATE.start_main_~y~0#1|) .cse3 .cse4 .cse5 .cse6 .cse1 .cse7 .cse8 .cse9 .cse10) (and (= |ULTIMATE.start_main_~s~0#1| (+ .cse11 (- |ULTIMATE.start_main_~r~0#1|))) .cse1 .cse2 (= (+ |ULTIMATE.start_main_~q~0#1| |ULTIMATE.start_main_~p~0#1|) 0) .cse12 (= |ULTIMATE.start_main_~p~0#1| (+ 1 (+ .cse13 (- |ULTIMATE.start_main_~p~0#1|))))) (and .cse0 .cse5 .cse1 .cse14) (and .cse3 .cse0 .cse4 .cse5 .cse6 .cse1 .cse7 .cse14) (and .cse15 (= |ULTIMATE.start_main_~p~0#1| (+ 1 .cse13)) (= (+ |ULTIMATE.start_main_~r~0#1| |ULTIMATE.start_main_~s~0#1|) 0) (<= (+ |ULTIMATE.start_main_~b~0#1| 1) (+ |ULTIMATE.start_main_~a~0#1| |ULTIMATE.start_main_~b~0#1|)) .cse1 .cse8 .cse10) (and .cse15 .cse0 .cse1))))) [2023-02-17 07:06:49,195 INFO L899 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2023-02-17 07:06:49,195 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2023-02-17 07:06:49,195 INFO L899 garLoopResultBuilder]: For program point L26(line 26) no Hoare annotation was computed. [2023-02-17 07:06:49,195 INFO L899 garLoopResultBuilder]: For program point L57(line 57) no Hoare annotation was computed. [2023-02-17 07:06:49,195 INFO L902 garLoopResultBuilder]: At program point L24(line 24) the Hoare annotation is: true [2023-02-17 07:06:49,195 INFO L902 garLoopResultBuilder]: At program point L24-1(line 24) the Hoare annotation is: true [2023-02-17 07:06:49,196 INFO L895 garLoopResultBuilder]: At program point L55(line 55) the Hoare annotation is: (let ((.cse13 (- |ULTIMATE.start_main_~q~0#1|)) (.cse11 (* |ULTIMATE.start_main_~r~0#1| (- 1)))) (let ((.cse12 (= .cse11 1)) (.cse2 (= |ULTIMATE.start_main_~a~0#1| (+ (* |ULTIMATE.start_main_~y~0#1| |ULTIMATE.start_main_~r~0#1|) (* |ULTIMATE.start_main_~x~0#1| |ULTIMATE.start_main_~p~0#1|)))) (.cse4 (= |ULTIMATE.start_main_~a~0#1| |ULTIMATE.start_main_~b~0#1|)) (.cse6 (= (+ |ULTIMATE.start_main_~a~0#1| (- |ULTIMATE.start_main_~b~0#1|)) (+ (* |ULTIMATE.start_main_~y~0#1| (+ |ULTIMATE.start_main_~r~0#1| (- |ULTIMATE.start_main_~s~0#1|))) (* |ULTIMATE.start_main_~x~0#1| (+ |ULTIMATE.start_main_~p~0#1| .cse13))))) (.cse8 (* |ULTIMATE.start_main_~p~0#1| |ULTIMATE.start_main_~s~0#1|))) (let ((.cse0 (forall ((|ULTIMATE.start_main_~q~0#1| Int)) (= 1 (+ .cse8 (- (* |ULTIMATE.start_main_~r~0#1| |ULTIMATE.start_main_~q~0#1|)))))) (.cse1 (= |ULTIMATE.start_main_~a~0#1| |ULTIMATE.start_main_~x~0#1|)) (.cse3 (= |ULTIMATE.start_main_~p~0#1| 1)) (.cse5 (= |ULTIMATE.start_main_~r~0#1| 0)) (.cse7 (= |ULTIMATE.start_main_~b~0#1| (+ (* |ULTIMATE.start_main_~x~0#1| |ULTIMATE.start_main_~q~0#1|) (* |ULTIMATE.start_main_~y~0#1| |ULTIMATE.start_main_~s~0#1|)))) (.cse9 (>= |ULTIMATE.start_main_~x~0#1| 1)) (.cse10 (or (and (= (+ (* |ULTIMATE.start_main_~p~0#1| (- 1)) 1) 0) (= (+ |ULTIMATE.start_main_~a~0#1| |ULTIMATE.start_main_~y~0#1|) |ULTIMATE.start_main_~x~0#1|) .cse2 .cse4 .cse6 .cse12) (and .cse2 .cse4 .cse6)))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6) (and .cse4 .cse3 (= |ULTIMATE.start_main_~q~0#1| 0) .cse7 (= |ULTIMATE.start_main_~s~0#1| 1)) (and .cse0 .cse1 .cse3 .cse5 .cse7) (and (= 1 (+ .cse8 (- (* |ULTIMATE.start_main_~r~0#1| |ULTIMATE.start_main_~q~0#1|)))) .cse9 .cse10) (and (= |ULTIMATE.start_main_~s~0#1| (+ .cse11 (- |ULTIMATE.start_main_~r~0#1|))) .cse9 (= (+ |ULTIMATE.start_main_~q~0#1| |ULTIMATE.start_main_~p~0#1|) 0) .cse12 .cse10 (= |ULTIMATE.start_main_~p~0#1| (+ 1 (+ .cse13 (- |ULTIMATE.start_main_~p~0#1|))))))))) [2023-02-17 07:06:49,196 INFO L902 garLoopResultBuilder]: At program point L22(line 22) the Hoare annotation is: true [2023-02-17 07:06:49,196 INFO L899 garLoopResultBuilder]: For program point L22-1(line 22) no Hoare annotation was computed. [2023-02-17 07:06:49,196 INFO L899 garLoopResultBuilder]: For program point L43(lines 43 51) no Hoare annotation was computed. [2023-02-17 07:06:49,196 INFO L895 garLoopResultBuilder]: At program point L43-2(lines 35 52) the Hoare annotation is: (let ((.cse11 (* |ULTIMATE.start_main_~r~0#1| (- 1))) (.cse13 (- |ULTIMATE.start_main_~q~0#1|))) (let ((.cse3 (= |ULTIMATE.start_main_~p~0#1| 1)) (.cse6 (= |ULTIMATE.start_main_~q~0#1| 0)) (.cse7 (= |ULTIMATE.start_main_~b~0#1| (+ (* |ULTIMATE.start_main_~x~0#1| |ULTIMATE.start_main_~q~0#1|) (* |ULTIMATE.start_main_~y~0#1| |ULTIMATE.start_main_~s~0#1|)))) (.cse8 (= |ULTIMATE.start_main_~s~0#1| 1)) (.cse16 (* |ULTIMATE.start_main_~p~0#1| |ULTIMATE.start_main_~s~0#1|)) (.cse17 (= (+ (* |ULTIMATE.start_main_~p~0#1| (- 1)) 1) 0)) (.cse18 (= (+ |ULTIMATE.start_main_~a~0#1| |ULTIMATE.start_main_~y~0#1|) |ULTIMATE.start_main_~x~0#1|)) (.cse2 (= |ULTIMATE.start_main_~a~0#1| (+ (* |ULTIMATE.start_main_~y~0#1| |ULTIMATE.start_main_~r~0#1|) (* |ULTIMATE.start_main_~x~0#1| |ULTIMATE.start_main_~p~0#1|)))) (.cse14 (= (+ |ULTIMATE.start_main_~a~0#1| (- |ULTIMATE.start_main_~b~0#1|)) (+ (* |ULTIMATE.start_main_~y~0#1| (+ |ULTIMATE.start_main_~r~0#1| (- |ULTIMATE.start_main_~s~0#1|))) (* |ULTIMATE.start_main_~x~0#1| (+ |ULTIMATE.start_main_~p~0#1| .cse13))))) (.cse12 (= .cse11 1))) (let ((.cse10 (or (and .cse2 .cse14) (and .cse17 .cse18 .cse2 .cse14 .cse12))) (.cse0 (forall ((|ULTIMATE.start_main_~q~0#1| Int)) (= 1 (+ .cse16 (- (* |ULTIMATE.start_main_~r~0#1| |ULTIMATE.start_main_~q~0#1|)))))) (.cse1 (= |ULTIMATE.start_main_~a~0#1| |ULTIMATE.start_main_~x~0#1|)) (.cse5 (= |ULTIMATE.start_main_~r~0#1| 0)) (.cse15 (or (and .cse17 .cse18 .cse3 .cse6 .cse7 .cse14 .cse8 .cse12) (and .cse2 .cse3 .cse6 .cse7 .cse14 .cse8))) (.cse9 (= 1 (+ .cse16 (- (* |ULTIMATE.start_main_~r~0#1| |ULTIMATE.start_main_~q~0#1|))))) (.cse4 (>= |ULTIMATE.start_main_~x~0#1| 1))) (or (and (= |ULTIMATE.start_main_~b~0#1| |ULTIMATE.start_main_~y~0#1|) .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8) (and .cse9 .cse4 .cse10) (and (= |ULTIMATE.start_main_~s~0#1| (+ .cse11 (- |ULTIMATE.start_main_~r~0#1|))) .cse4 .cse10 (= (+ |ULTIMATE.start_main_~q~0#1| |ULTIMATE.start_main_~p~0#1|) 0) .cse12 (= |ULTIMATE.start_main_~p~0#1| (+ 1 (+ .cse13 (- |ULTIMATE.start_main_~p~0#1|))))) (and .cse9 .cse2 .cse4 .cse14) (and .cse15 (= |ULTIMATE.start_main_~p~0#1| (+ 1 .cse13)) (= (+ |ULTIMATE.start_main_~r~0#1| |ULTIMATE.start_main_~s~0#1|) 0) (<= (+ |ULTIMATE.start_main_~b~0#1| 1) (+ |ULTIMATE.start_main_~a~0#1| |ULTIMATE.start_main_~b~0#1|)) .cse4 .cse6 .cse8) (and .cse0 .cse9 .cse1 .cse2 .cse3 .cse4 .cse5 .cse14) (and .cse15 .cse9 .cse4))))) [2023-02-17 07:06:49,197 INFO L895 garLoopResultBuilder]: At program point L37(line 37) the Hoare annotation is: (let ((.cse12 (* |ULTIMATE.start_main_~r~0#1| (- 1))) (.cse14 (- |ULTIMATE.start_main_~q~0#1|))) (let ((.cse16 (* |ULTIMATE.start_main_~p~0#1| |ULTIMATE.start_main_~s~0#1|)) (.cse7 (= |ULTIMATE.start_main_~p~0#1| 1)) (.cse9 (= |ULTIMATE.start_main_~q~0#1| 0)) (.cse10 (= |ULTIMATE.start_main_~b~0#1| (+ (* |ULTIMATE.start_main_~x~0#1| |ULTIMATE.start_main_~q~0#1|) (* |ULTIMATE.start_main_~y~0#1| |ULTIMATE.start_main_~s~0#1|)))) (.cse11 (= |ULTIMATE.start_main_~s~0#1| 1)) (.cse17 (= (+ (* |ULTIMATE.start_main_~p~0#1| (- 1)) 1) 0)) (.cse18 (= (+ |ULTIMATE.start_main_~a~0#1| |ULTIMATE.start_main_~y~0#1|) |ULTIMATE.start_main_~x~0#1|)) (.cse6 (= |ULTIMATE.start_main_~a~0#1| (+ (* |ULTIMATE.start_main_~y~0#1| |ULTIMATE.start_main_~r~0#1|) (* |ULTIMATE.start_main_~x~0#1| |ULTIMATE.start_main_~p~0#1|)))) (.cse15 (= (+ |ULTIMATE.start_main_~a~0#1| (- |ULTIMATE.start_main_~b~0#1|)) (+ (* |ULTIMATE.start_main_~y~0#1| (+ |ULTIMATE.start_main_~r~0#1| (- |ULTIMATE.start_main_~s~0#1|))) (* |ULTIMATE.start_main_~x~0#1| (+ |ULTIMATE.start_main_~p~0#1| .cse14))))) (.cse13 (= .cse12 1))) (let ((.cse3 (or (and .cse6 .cse15) (and .cse17 .cse18 .cse6 .cse15 .cse13))) (.cse2 (or (and .cse17 .cse18 .cse6 .cse7 .cse9 .cse10 .cse15 .cse11 .cse13) (and .cse6 .cse7 .cse9 .cse10 .cse15 .cse11))) (.cse4 (forall ((|ULTIMATE.start_main_~q~0#1| Int)) (= 1 (+ .cse16 (- (* |ULTIMATE.start_main_~r~0#1| |ULTIMATE.start_main_~q~0#1|)))))) (.cse0 (= 1 (+ .cse16 (- (* |ULTIMATE.start_main_~r~0#1| |ULTIMATE.start_main_~q~0#1|))))) (.cse5 (= |ULTIMATE.start_main_~a~0#1| |ULTIMATE.start_main_~x~0#1|)) (.cse1 (>= |ULTIMATE.start_main_~x~0#1| 1)) (.cse8 (= |ULTIMATE.start_main_~r~0#1| 0))) (or (and .cse0 .cse1 .cse2) (and .cse0 .cse1 .cse3) (and (= |ULTIMATE.start_main_~b~0#1| |ULTIMATE.start_main_~y~0#1|) .cse4 .cse5 .cse6 .cse7 .cse1 .cse8 .cse9 .cse10 .cse11) (and (= |ULTIMATE.start_main_~s~0#1| (+ .cse12 (- |ULTIMATE.start_main_~r~0#1|))) .cse1 .cse3 (= (+ |ULTIMATE.start_main_~q~0#1| |ULTIMATE.start_main_~p~0#1|) 0) .cse13 (= |ULTIMATE.start_main_~p~0#1| (+ 1 (+ .cse14 (- |ULTIMATE.start_main_~p~0#1|))))) (and (= |ULTIMATE.start_main_~p~0#1| (+ 1 .cse14)) (= (+ |ULTIMATE.start_main_~r~0#1| |ULTIMATE.start_main_~s~0#1|) 0) (<= (+ |ULTIMATE.start_main_~b~0#1| 1) (+ |ULTIMATE.start_main_~a~0#1| |ULTIMATE.start_main_~b~0#1|)) .cse1 .cse9 .cse11 .cse2) (and .cse4 .cse0 .cse5 .cse6 .cse7 .cse1 .cse8 .cse15))))) [2023-02-17 07:06:49,197 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 7 9) the Hoare annotation is: true [2023-02-17 07:06:49,197 INFO L899 garLoopResultBuilder]: For program point L8(line 8) no Hoare annotation was computed. [2023-02-17 07:06:49,197 INFO L899 garLoopResultBuilder]: For program point L8-2(lines 7 9) no Hoare annotation was computed. [2023-02-17 07:06:49,197 INFO L899 garLoopResultBuilder]: For program point assume_abort_if_notEXIT(lines 7 9) no Hoare annotation was computed. [2023-02-17 07:06:49,197 INFO L899 garLoopResultBuilder]: For program point L12(lines 12 13) no Hoare annotation was computed. [2023-02-17 07:06:49,197 INFO L899 garLoopResultBuilder]: For program point L11(lines 11 14) no Hoare annotation was computed. [2023-02-17 07:06:49,197 INFO L899 garLoopResultBuilder]: For program point __VERIFIER_assertEXIT(lines 10 16) no Hoare annotation was computed. [2023-02-17 07:06:49,197 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 10 16) the Hoare annotation is: true [2023-02-17 07:06:49,198 INFO L899 garLoopResultBuilder]: For program point L11-2(lines 10 16) no Hoare annotation was computed. [2023-02-17 07:06:49,198 INFO L899 garLoopResultBuilder]: For program point __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION(line 13) no Hoare annotation was computed. [2023-02-17 07:06:49,200 INFO L445 BasicCegarLoop]: Path program histogram: [2, 1, 1, 1, 1, 1, 1] [2023-02-17 07:06:49,201 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-02-17 07:06:49,208 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~q~0#1,QUANTIFIED] [2023-02-17 07:06:49,209 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~q~0#1,QUANTIFIED] [2023-02-17 07:06:49,222 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~q~0#1,QUANTIFIED] [2023-02-17 07:06:49,227 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~q~0#1,QUANTIFIED] [2023-02-17 07:06:49,231 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 17.02 07:06:49 BoogieIcfgContainer [2023-02-17 07:06:49,235 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-02-17 07:06:49,236 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-02-17 07:06:49,236 INFO L271 PluginConnector]: Initializing Witness Printer... [2023-02-17 07:06:49,236 INFO L275 PluginConnector]: Witness Printer initialized [2023-02-17 07:06:49,237 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.02 07:06:44" (3/4) ... [2023-02-17 07:06:49,239 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-02-17 07:06:49,246 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure assume_abort_if_not [2023-02-17 07:06:49,246 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure __VERIFIER_assert [2023-02-17 07:06:49,250 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 13 nodes and edges [2023-02-17 07:06:49,250 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2023-02-17 07:06:49,251 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2023-02-17 07:06:49,251 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-02-17 07:06:49,285 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2023-02-17 07:06:49,285 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-02-17 07:06:49,286 INFO L158 Benchmark]: Toolchain (without parser) took 5634.75ms. Allocated memory was 163.6MB in the beginning and 197.1MB in the end (delta: 33.6MB). Free memory was 131.3MB in the beginning and 77.4MB in the end (delta: 53.9MB). Peak memory consumption was 90.1MB. Max. memory is 16.1GB. [2023-02-17 07:06:49,286 INFO L158 Benchmark]: CDTParser took 9.51ms. Allocated memory is still 125.8MB. Free memory is still 100.3MB. There was no memory consumed. Max. memory is 16.1GB. [2023-02-17 07:06:49,286 INFO L158 Benchmark]: CACSL2BoogieTranslator took 163.00ms. Allocated memory is still 163.6MB. Free memory was 130.9MB in the beginning and 120.3MB in the end (delta: 10.6MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-02-17 07:06:49,287 INFO L158 Benchmark]: Boogie Procedure Inliner took 19.01ms. Allocated memory is still 163.6MB. Free memory was 120.3MB in the beginning and 118.8MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-02-17 07:06:49,287 INFO L158 Benchmark]: Boogie Preprocessor took 12.89ms. Allocated memory is still 163.6MB. Free memory was 118.8MB in the beginning and 117.5MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-02-17 07:06:49,287 INFO L158 Benchmark]: RCFGBuilder took 240.43ms. Allocated memory is still 163.6MB. Free memory was 117.5MB in the beginning and 107.0MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-02-17 07:06:49,287 INFO L158 Benchmark]: TraceAbstraction took 5144.48ms. Allocated memory was 163.6MB in the beginning and 197.1MB in the end (delta: 33.6MB). Free memory was 106.3MB in the beginning and 80.5MB in the end (delta: 25.7MB). Peak memory consumption was 62.9MB. Max. memory is 16.1GB. [2023-02-17 07:06:49,288 INFO L158 Benchmark]: Witness Printer took 49.35ms. Allocated memory is still 197.1MB. Free memory was 80.5MB in the beginning and 77.4MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-02-17 07:06:49,290 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 9.51ms. Allocated memory is still 125.8MB. Free memory is still 100.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 163.00ms. Allocated memory is still 163.6MB. Free memory was 130.9MB in the beginning and 120.3MB in the end (delta: 10.6MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 19.01ms. Allocated memory is still 163.6MB. Free memory was 120.3MB in the beginning and 118.8MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 12.89ms. Allocated memory is still 163.6MB. Free memory was 118.8MB in the beginning and 117.5MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 240.43ms. Allocated memory is still 163.6MB. Free memory was 117.5MB in the beginning and 107.0MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * TraceAbstraction took 5144.48ms. Allocated memory was 163.6MB in the beginning and 197.1MB in the end (delta: 33.6MB). Free memory was 106.3MB in the beginning and 80.5MB in the end (delta: 25.7MB). Peak memory consumption was 62.9MB. Max. memory is 16.1GB. * Witness Printer took 49.35ms. Allocated memory is still 197.1MB. Free memory was 80.5MB in the beginning and 77.4MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~q~0#1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~q~0#1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~q~0#1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~q~0#1,QUANTIFIED] * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 13]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 32 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 5.1s, OverallIterations: 8, TraceHistogramMax: 7, PathProgramHistogramMax: 2, EmptinessCheckTime: 0.0s, AutomataDifference: 1.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 145 SdHoareTripleChecker+Valid, 1.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 120 mSDsluCounter, 1066 SdHoareTripleChecker+Invalid, 1.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 791 mSDsCounter, 106 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 1079 IncrementalHoareTripleChecker+Invalid, 1185 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 106 mSolverCounterUnsat, 275 mSDtfsCounter, 1079 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 615 GetRequests, 516 SyntacticMatches, 9 SemanticMatches, 90 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 113 ImplicationChecksByTransitivity, 0.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=84occurred in iteration=7, InterpolantAutomatonStates: 60, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 8 MinimizatonAttempts, 19 StatesRemovedByMinimization, 4 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 15 LocationsWithAnnotation, 63 PreInvPairs, 111 NumberOfFragments, 3412 HoareAnnotationTreeSize, 63 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 15 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.9s InterpolantComputationTime, 361 NumberOfCodeBlocks, 361 NumberOfCodeBlocksAsserted, 9 NumberOfCheckSat, 583 ConstructedInterpolants, 2 QuantifiedInterpolants, 2091 SizeOfPredicates, 52 NumberOfNonLiveVariables, 959 ConjunctsInSsa, 168 ConjunctsInUnsatCore, 13 InterpolantComputations, 3 PerfectInterpolantSequences, 608/666 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 18]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 35]: Loop Invariant [2023-02-17 07:06:49,307 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~q~0#1,QUANTIFIED] [2023-02-17 07:06:49,308 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~q~0#1,QUANTIFIED] [2023-02-17 07:06:49,309 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~q~0#1,QUANTIFIED] [2023-02-17 07:06:49,309 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~q~0#1,QUANTIFIED] Derived loop invariant: ((((((((((((((b == y && (forall ULTIMATE.start_main_~q~0#1 : int :: 1 == p * s + -(r * ULTIMATE.start_main_~q~0#1))) && a == x) && a == y * r + x * p) && p == 1) && x >= 1) && r == 0) && q == 0) && b == x * q + y * s) && s == 1) || ((1 == p * s + -(r * q) && x >= 1) && ((a == y * r + x * p && a + -b == y * (r + -s) + x * (p + -q)) || ((((p * -1 + 1 == 0 && a + y == x) && a == y * r + x * p) && a + -b == y * (r + -s) + x * (p + -q)) && r * -1 == 1)))) || (((((s == r * -1 + -r && x >= 1) && ((a == y * r + x * p && a + -b == y * (r + -s) + x * (p + -q)) || ((((p * -1 + 1 == 0 && a + y == x) && a == y * r + x * p) && a + -b == y * (r + -s) + x * (p + -q)) && r * -1 == 1))) && q + p == 0) && r * -1 == 1) && p == 1 + (-q + -p))) || (((1 == p * s + -(r * q) && a == y * r + x * p) && x >= 1) && a + -b == y * (r + -s) + x * (p + -q))) || ((((((((((((((p * -1 + 1 == 0 && a + y == x) && p == 1) && q == 0) && b == x * q + y * s) && a + -b == y * (r + -s) + x * (p + -q)) && s == 1) && r * -1 == 1) || (((((a == y * r + x * p && p == 1) && q == 0) && b == x * q + y * s) && a + -b == y * (r + -s) + x * (p + -q)) && s == 1)) && p == 1 + -q) && r + s == 0) && b + 1 <= a + b) && x >= 1) && q == 0) && s == 1)) || ((((((((forall ULTIMATE.start_main_~q~0#1 : int :: 1 == p * s + -(r * ULTIMATE.start_main_~q~0#1)) && 1 == p * s + -(r * q)) && a == x) && a == y * r + x * p) && p == 1) && x >= 1) && r == 0) && a + -b == y * (r + -s) + x * (p + -q))) || ((((((((((p * -1 + 1 == 0 && a + y == x) && p == 1) && q == 0) && b == x * q + y * s) && a + -b == y * (r + -s) + x * (p + -q)) && s == 1) && r * -1 == 1) || (((((a == y * r + x * p && p == 1) && q == 0) && b == x * q + y * s) && a + -b == y * (r + -s) + x * (p + -q)) && s == 1)) && 1 == p * s + -(r * q)) && x >= 1) RESULT: Ultimate proved your program to be correct! [2023-02-17 07:06:49,328 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE