./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/xcsp/AllInterval-011.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version c3fed411 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/xcsp/AllInterval-011.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 5b6e29ecd51153e438c1994cc2e0ffddafd2990e0e080381de4ae5b34f9e08cf --- Real Ultimate output --- This is Ultimate 0.2.2-tmp.no-commuhash-c3fed41 [2021-12-17 17:26:58,999 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-17 17:26:59,002 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-17 17:26:59,034 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-17 17:26:59,034 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-17 17:26:59,037 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-17 17:26:59,038 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-17 17:26:59,040 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-17 17:26:59,041 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-17 17:26:59,044 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-17 17:26:59,045 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-17 17:26:59,046 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-17 17:26:59,046 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-17 17:26:59,048 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-17 17:26:59,049 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-17 17:26:59,052 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-17 17:26:59,052 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-17 17:26:59,053 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-17 17:26:59,055 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-17 17:26:59,059 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-17 17:26:59,059 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-17 17:26:59,076 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-17 17:26:59,077 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-17 17:26:59,077 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-17 17:26:59,079 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-17 17:26:59,079 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-17 17:26:59,079 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-17 17:26:59,080 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-17 17:26:59,081 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-17 17:26:59,082 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-17 17:26:59,082 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-17 17:26:59,083 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-17 17:26:59,084 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-17 17:26:59,085 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-17 17:26:59,086 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-17 17:26:59,086 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-17 17:26:59,087 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-17 17:26:59,087 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-17 17:26:59,087 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-17 17:26:59,088 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-17 17:26:59,089 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-17 17:26:59,089 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-12-17 17:26:59,114 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-17 17:26:59,115 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-17 17:26:59,115 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-17 17:26:59,115 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-17 17:26:59,116 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-17 17:26:59,117 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-17 17:26:59,117 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-17 17:26:59,117 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-17 17:26:59,117 INFO L138 SettingsManager]: * Use SBE=true [2021-12-17 17:26:59,118 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-17 17:26:59,118 INFO L138 SettingsManager]: * sizeof long=4 [2021-12-17 17:26:59,119 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-17 17:26:59,119 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-12-17 17:26:59,119 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-17 17:26:59,119 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-17 17:26:59,119 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-17 17:26:59,119 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-17 17:26:59,120 INFO L138 SettingsManager]: * sizeof long double=12 [2021-12-17 17:26:59,120 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-17 17:26:59,120 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-17 17:26:59,120 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-17 17:26:59,120 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-17 17:26:59,120 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-17 17:26:59,121 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-17 17:26:59,121 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-17 17:26:59,121 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-17 17:26:59,121 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-17 17:26:59,122 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-17 17:26:59,122 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-17 17:26:59,122 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-17 17:26:59,122 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-17 17:26:59,122 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-17 17:26:59,123 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-17 17:26:59,123 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-17 17:26:59,123 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5b6e29ecd51153e438c1994cc2e0ffddafd2990e0e080381de4ae5b34f9e08cf [2021-12-17 17:26:59,318 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-17 17:26:59,340 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-17 17:26:59,343 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-17 17:26:59,344 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-17 17:26:59,345 INFO L275 PluginConnector]: CDTParser initialized [2021-12-17 17:26:59,346 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/xcsp/AllInterval-011.c [2021-12-17 17:26:59,405 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/697ac940f/9d13fa29806f4dbb9a5e280affd0a40a/FLAG10d51e353 [2021-12-17 17:26:59,749 INFO L306 CDTParser]: Found 1 translation units. [2021-12-17 17:26:59,749 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/xcsp/AllInterval-011.c [2021-12-17 17:26:59,755 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/697ac940f/9d13fa29806f4dbb9a5e280affd0a40a/FLAG10d51e353 [2021-12-17 17:26:59,777 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/697ac940f/9d13fa29806f4dbb9a5e280affd0a40a [2021-12-17 17:26:59,781 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-17 17:26:59,782 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-17 17:26:59,783 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-17 17:26:59,783 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-17 17:26:59,785 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-17 17:26:59,786 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.12 05:26:59" (1/1) ... [2021-12-17 17:26:59,786 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@446f4d50 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 05:26:59, skipping insertion in model container [2021-12-17 17:26:59,787 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.12 05:26:59" (1/1) ... [2021-12-17 17:26:59,791 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-17 17:26:59,815 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-17 17:26:59,990 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/xcsp/AllInterval-011.c[6600,6613] [2021-12-17 17:26:59,994 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-17 17:27:00,005 INFO L203 MainTranslator]: Completed pre-run [2021-12-17 17:27:00,051 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/xcsp/AllInterval-011.c[6600,6613] [2021-12-17 17:27:00,052 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-17 17:27:00,080 INFO L208 MainTranslator]: Completed translation [2021-12-17 17:27:00,080 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 05:27:00 WrapperNode [2021-12-17 17:27:00,081 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-17 17:27:00,082 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-17 17:27:00,082 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-17 17:27:00,082 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-17 17:27:00,087 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 05:27:00" (1/1) ... [2021-12-17 17:27:00,103 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 05:27:00" (1/1) ... [2021-12-17 17:27:00,132 INFO L137 Inliner]: procedures = 13, calls = 159, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 314 [2021-12-17 17:27:00,132 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-17 17:27:00,133 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-17 17:27:00,133 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-17 17:27:00,133 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-17 17:27:00,138 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 05:27:00" (1/1) ... [2021-12-17 17:27:00,139 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 05:27:00" (1/1) ... [2021-12-17 17:27:00,141 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 05:27:00" (1/1) ... [2021-12-17 17:27:00,149 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 05:27:00" (1/1) ... [2021-12-17 17:27:00,154 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 05:27:00" (1/1) ... [2021-12-17 17:27:00,156 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 05:27:00" (1/1) ... [2021-12-17 17:27:00,157 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 05:27:00" (1/1) ... [2021-12-17 17:27:00,160 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-17 17:27:00,173 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-17 17:27:00,173 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-17 17:27:00,173 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-17 17:27:00,174 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 05:27:00" (1/1) ... [2021-12-17 17:27:00,181 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-17 17:27:00,189 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-17 17:27:00,211 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) [2021-12-17 17:27:00,213 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 [2021-12-17 17:27:00,237 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-17 17:27:00,237 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-17 17:27:00,237 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-17 17:27:00,240 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-17 17:27:00,240 INFO L130 BoogieDeclarations]: Found specification of procedure assume [2021-12-17 17:27:00,240 INFO L138 BoogieDeclarations]: Found implementation of procedure assume [2021-12-17 17:27:00,291 INFO L236 CfgBuilder]: Building ICFG [2021-12-17 17:27:00,292 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-17 17:27:00,604 INFO L277 CfgBuilder]: Performing block encoding [2021-12-17 17:27:00,610 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-17 17:27:00,610 INFO L301 CfgBuilder]: Removed 0 assume(true) statements. [2021-12-17 17:27:00,611 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.12 05:27:00 BoogieIcfgContainer [2021-12-17 17:27:00,611 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-17 17:27:00,612 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-17 17:27:00,612 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-17 17:27:00,616 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-17 17:27:00,616 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 17.12 05:26:59" (1/3) ... [2021-12-17 17:27:00,616 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@23696d7a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.12 05:27:00, skipping insertion in model container [2021-12-17 17:27:00,617 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 05:27:00" (2/3) ... [2021-12-17 17:27:00,617 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@23696d7a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.12 05:27:00, skipping insertion in model container [2021-12-17 17:27:00,617 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.12 05:27:00" (3/3) ... [2021-12-17 17:27:00,618 INFO L111 eAbstractionObserver]: Analyzing ICFG AllInterval-011.c [2021-12-17 17:27:00,621 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-17 17:27:00,621 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-12-17 17:27:00,657 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-17 17:27:00,669 INFO L339 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, mLoopAccelerationTechnique=FAST_UPR [2021-12-17 17:27:00,669 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-12-17 17:27:00,691 INFO L276 IsEmpty]: Start isEmpty. Operand has 214 states, 59 states have (on average 1.2033898305084745) internal successors, (71), 60 states have internal predecessors, (71), 152 states have call successors, (152), 1 states have call predecessors, (152), 1 states have return successors, (152), 152 states have call predecessors, (152), 152 states have call successors, (152) [2021-12-17 17:27:00,739 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 815 [2021-12-17 17:27:00,742 INFO L506 BasicCegarLoop]: Found error trace [2021-12-17 17:27:00,743 INFO L514 BasicCegarLoop]: trace histogram [152, 152, 152, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-17 17:27:00,744 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-17 17:27:00,750 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-17 17:27:00,750 INFO L85 PathProgramCache]: Analyzing trace with hash -803724805, now seen corresponding path program 1 times [2021-12-17 17:27:00,756 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-17 17:27:00,756 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [378743853] [2021-12-17 17:27:00,756 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-17 17:27:00,757 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-17 17:27:00,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 17:27:01,015 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-17 17:27:01,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 17:27:01,031 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2021-12-17 17:27:01,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 17:27:01,040 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2021-12-17 17:27:01,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 17:27:01,051 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-17 17:27:01,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 17:27:01,063 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2021-12-17 17:27:01,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 17:27:01,069 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2021-12-17 17:27:01,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 17:27:01,077 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2021-12-17 17:27:01,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 17:27:01,085 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2021-12-17 17:27:01,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 17:27:01,091 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2021-12-17 17:27:01,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 17:27:01,100 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2021-12-17 17:27:01,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 17:27:01,116 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2021-12-17 17:27:01,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 17:27:01,123 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2021-12-17 17:27:01,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 17:27:01,130 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2021-12-17 17:27:01,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 17:27:01,139 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2021-12-17 17:27:01,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 17:27:01,146 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2021-12-17 17:27:01,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 17:27:01,152 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2021-12-17 17:27:01,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 17:27:01,163 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2021-12-17 17:27:01,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 17:27:01,172 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2021-12-17 17:27:01,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 17:27:01,176 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2021-12-17 17:27:01,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 17:27:01,182 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2021-12-17 17:27:01,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 17:27:01,188 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2021-12-17 17:27:01,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 17:27:01,197 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2021-12-17 17:27:01,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 17:27:01,205 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2021-12-17 17:27:01,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 17:27:01,210 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2021-12-17 17:27:01,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 17:27:01,217 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2021-12-17 17:27:01,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 17:27:01,223 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2021-12-17 17:27:01,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 17:27:01,229 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2021-12-17 17:27:01,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 17:27:01,250 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2021-12-17 17:27:01,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 17:27:01,254 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2021-12-17 17:27:01,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 17:27:01,258 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2021-12-17 17:27:01,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 17:27:01,262 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2021-12-17 17:27:01,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 17:27:01,267 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2021-12-17 17:27:01,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 17:27:01,272 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2021-12-17 17:27:01,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 17:27:01,276 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 183 [2021-12-17 17:27:01,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 17:27:01,281 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 189 [2021-12-17 17:27:01,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 17:27:01,286 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2021-12-17 17:27:01,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 17:27:01,300 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2021-12-17 17:27:01,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 17:27:01,304 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2021-12-17 17:27:01,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 17:27:01,309 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 211 [2021-12-17 17:27:01,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 17:27:01,313 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 216 [2021-12-17 17:27:01,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 17:27:01,318 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 222 [2021-12-17 17:27:01,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 17:27:01,324 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2021-12-17 17:27:01,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 17:27:01,330 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 233 [2021-12-17 17:27:01,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 17:27:01,339 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 238 [2021-12-17 17:27:01,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 17:27:01,347 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 243 [2021-12-17 17:27:01,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 17:27:01,352 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 248 [2021-12-17 17:27:01,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 17:27:01,357 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 253 [2021-12-17 17:27:01,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 17:27:01,369 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 258 [2021-12-17 17:27:01,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 17:27:01,373 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 263 [2021-12-17 17:27:01,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 17:27:01,378 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 268 [2021-12-17 17:27:01,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 17:27:01,382 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 273 [2021-12-17 17:27:01,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 17:27:01,386 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2021-12-17 17:27:01,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 17:27:01,390 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 283 [2021-12-17 17:27:01,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 17:27:01,395 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 288 [2021-12-17 17:27:01,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 17:27:01,398 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 293 [2021-12-17 17:27:01,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 17:27:01,405 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 298 [2021-12-17 17:27:01,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 17:27:01,409 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 303 [2021-12-17 17:27:01,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 17:27:01,414 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 308 [2021-12-17 17:27:01,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 17:27:01,420 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 313 [2021-12-17 17:27:01,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 17:27:01,423 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 318 [2021-12-17 17:27:01,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 17:27:01,426 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 323 [2021-12-17 17:27:01,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 17:27:01,430 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 328 [2021-12-17 17:27:01,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 17:27:01,435 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 333 [2021-12-17 17:27:01,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 17:27:01,444 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 338 [2021-12-17 17:27:01,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 17:27:01,449 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 343 [2021-12-17 17:27:01,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 17:27:01,452 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 348 [2021-12-17 17:27:01,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 17:27:01,456 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 353 [2021-12-17 17:27:01,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 17:27:01,459 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 358 [2021-12-17 17:27:01,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 17:27:01,462 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 363 [2021-12-17 17:27:01,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 17:27:01,465 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 368 [2021-12-17 17:27:01,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 17:27:01,468 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 373 [2021-12-17 17:27:01,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 17:27:01,475 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 378 [2021-12-17 17:27:01,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 17:27:01,479 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 383 [2021-12-17 17:27:01,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 17:27:01,483 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 388 [2021-12-17 17:27:01,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 17:27:01,487 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 393 [2021-12-17 17:27:01,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 17:27:01,492 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 398 [2021-12-17 17:27:01,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 17:27:01,497 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 403 [2021-12-17 17:27:01,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 17:27:01,501 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 408 [2021-12-17 17:27:01,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 17:27:01,503 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 413 [2021-12-17 17:27:01,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 17:27:01,506 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 418 [2021-12-17 17:27:01,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 17:27:01,510 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 423 [2021-12-17 17:27:01,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 17:27:01,513 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 428 [2021-12-17 17:27:01,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 17:27:01,517 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 433 [2021-12-17 17:27:01,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 17:27:01,520 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 438 [2021-12-17 17:27:01,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 17:27:01,525 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 443 [2021-12-17 17:27:01,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 17:27:01,532 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 448 [2021-12-17 17:27:01,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 17:27:01,538 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 453 [2021-12-17 17:27:01,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 17:27:01,542 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 458 [2021-12-17 17:27:01,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 17:27:01,550 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 463 [2021-12-17 17:27:01,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 17:27:01,554 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 468 [2021-12-17 17:27:01,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 17:27:01,557 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 473 [2021-12-17 17:27:01,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 17:27:01,560 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 478 [2021-12-17 17:27:01,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 17:27:01,562 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 483 [2021-12-17 17:27:01,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 17:27:01,566 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 488 [2021-12-17 17:27:01,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 17:27:01,569 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 493 [2021-12-17 17:27:01,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 17:27:01,574 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 498 [2021-12-17 17:27:01,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 17:27:01,577 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 503 [2021-12-17 17:27:01,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 17:27:01,580 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 508 [2021-12-17 17:27:01,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 17:27:01,582 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 513 [2021-12-17 17:27:01,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 17:27:01,586 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 518 [2021-12-17 17:27:01,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 17:27:01,588 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 523 [2021-12-17 17:27:01,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 17:27:01,591 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 528 [2021-12-17 17:27:01,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 17:27:01,594 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 533 [2021-12-17 17:27:01,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 17:27:01,599 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 538 [2021-12-17 17:27:01,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 17:27:01,605 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 543 [2021-12-17 17:27:01,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 17:27:01,608 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 548 [2021-12-17 17:27:01,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 17:27:01,611 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 553 [2021-12-17 17:27:01,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 17:27:01,620 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 558 [2021-12-17 17:27:01,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 17:27:01,623 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 563 [2021-12-17 17:27:01,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 17:27:01,625 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 568 [2021-12-17 17:27:01,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 17:27:01,634 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 573 [2021-12-17 17:27:01,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 17:27:01,640 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 578 [2021-12-17 17:27:01,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 17:27:01,644 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 583 [2021-12-17 17:27:01,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 17:27:01,648 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 588 [2021-12-17 17:27:01,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 17:27:01,651 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 593 [2021-12-17 17:27:01,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 17:27:01,655 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 598 [2021-12-17 17:27:01,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 17:27:01,657 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 603 [2021-12-17 17:27:01,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 17:27:01,661 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 608 [2021-12-17 17:27:01,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 17:27:01,666 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 613 [2021-12-17 17:27:01,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 17:27:01,670 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 618 [2021-12-17 17:27:01,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 17:27:01,673 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 623 [2021-12-17 17:27:01,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 17:27:01,675 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 628 [2021-12-17 17:27:01,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 17:27:01,679 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 633 [2021-12-17 17:27:01,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 17:27:01,682 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 638 [2021-12-17 17:27:01,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 17:27:01,685 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 643 [2021-12-17 17:27:01,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 17:27:01,687 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 648 [2021-12-17 17:27:01,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 17:27:01,691 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 653 [2021-12-17 17:27:01,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 17:27:01,705 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 658 [2021-12-17 17:27:01,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 17:27:01,712 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 663 [2021-12-17 17:27:01,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 17:27:01,716 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 668 [2021-12-17 17:27:01,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 17:27:01,718 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 673 [2021-12-17 17:27:01,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 17:27:01,721 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 678 [2021-12-17 17:27:01,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 17:27:01,723 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 683 [2021-12-17 17:27:01,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 17:27:01,726 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 688 [2021-12-17 17:27:01,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 17:27:01,728 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 693 [2021-12-17 17:27:01,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 17:27:01,731 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 698 [2021-12-17 17:27:01,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 17:27:01,734 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 703 [2021-12-17 17:27:01,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 17:27:01,737 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 708 [2021-12-17 17:27:01,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 17:27:01,740 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 713 [2021-12-17 17:27:01,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 17:27:01,743 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 718 [2021-12-17 17:27:01,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 17:27:01,745 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 723 [2021-12-17 17:27:01,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 17:27:01,748 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 728 [2021-12-17 17:27:01,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 17:27:01,750 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 736 [2021-12-17 17:27:01,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 17:27:01,753 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 744 [2021-12-17 17:27:01,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 17:27:01,755 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 752 [2021-12-17 17:27:01,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 17:27:01,758 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 760 [2021-12-17 17:27:01,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 17:27:01,761 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 768 [2021-12-17 17:27:01,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 17:27:01,763 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 776 [2021-12-17 17:27:01,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 17:27:01,766 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 784 [2021-12-17 17:27:01,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 17:27:01,768 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 792 [2021-12-17 17:27:01,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 17:27:01,770 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 800 [2021-12-17 17:27:01,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 17:27:01,773 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 808 [2021-12-17 17:27:01,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 17:27:01,784 INFO L134 CoverageAnalysis]: Checked inductivity of 45904 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 45904 trivial. 0 not checked. [2021-12-17 17:27:01,785 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-17 17:27:01,785 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [378743853] [2021-12-17 17:27:01,786 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [378743853] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-17 17:27:01,786 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-17 17:27:01,786 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-12-17 17:27:01,788 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1316305251] [2021-12-17 17:27:01,788 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-17 17:27:01,794 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-12-17 17:27:01,795 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-17 17:27:01,816 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-12-17 17:27:01,817 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-12-17 17:27:01,820 INFO L87 Difference]: Start difference. First operand has 214 states, 59 states have (on average 1.2033898305084745) internal successors, (71), 60 states have internal predecessors, (71), 152 states have call successors, (152), 1 states have call predecessors, (152), 1 states have return successors, (152), 152 states have call predecessors, (152), 152 states have call successors, (152) Second operand has 2 states, 2 states have (on average 28.5) internal successors, (57), 2 states have internal predecessors, (57), 2 states have call successors, (152), 1 states have call predecessors, (152), 1 states have return successors, (152), 1 states have call predecessors, (152), 2 states have call successors, (152) [2021-12-17 17:27:01,884 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-17 17:27:01,886 INFO L93 Difference]: Finished difference Result 422 states and 896 transitions. [2021-12-17 17:27:01,887 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-12-17 17:27:01,888 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 28.5) internal successors, (57), 2 states have internal predecessors, (57), 2 states have call successors, (152), 1 states have call predecessors, (152), 1 states have return successors, (152), 1 states have call predecessors, (152), 2 states have call successors, (152) Word has length 814 [2021-12-17 17:27:01,888 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-17 17:27:01,894 INFO L225 Difference]: With dead ends: 422 [2021-12-17 17:27:01,895 INFO L226 Difference]: Without dead ends: 211 [2021-12-17 17:27:01,899 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 458 GetRequests, 458 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-12-17 17:27:01,902 INFO L933 BasicCegarLoop]: 371 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 371 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-12-17 17:27:01,902 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 371 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-12-17 17:27:01,914 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 211 states. [2021-12-17 17:27:01,969 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 211 to 211. [2021-12-17 17:27:01,970 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 211 states, 57 states have (on average 1.1754385964912282) internal successors, (67), 57 states have internal predecessors, (67), 152 states have call successors, (152), 1 states have call predecessors, (152), 1 states have return successors, (152), 152 states have call predecessors, (152), 152 states have call successors, (152) [2021-12-17 17:27:01,972 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 211 states and 371 transitions. [2021-12-17 17:27:01,973 INFO L78 Accepts]: Start accepts. Automaton has 211 states and 371 transitions. Word has length 814 [2021-12-17 17:27:01,973 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-17 17:27:01,973 INFO L470 AbstractCegarLoop]: Abstraction has 211 states and 371 transitions. [2021-12-17 17:27:01,974 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 28.5) internal successors, (57), 2 states have internal predecessors, (57), 2 states have call successors, (152), 1 states have call predecessors, (152), 1 states have return successors, (152), 1 states have call predecessors, (152), 2 states have call successors, (152) [2021-12-17 17:27:01,974 INFO L276 IsEmpty]: Start isEmpty. Operand 211 states and 371 transitions. [2021-12-17 17:27:01,987 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 815 [2021-12-17 17:27:01,987 INFO L506 BasicCegarLoop]: Found error trace [2021-12-17 17:27:01,988 INFO L514 BasicCegarLoop]: trace histogram [152, 152, 152, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-17 17:27:01,988 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-12-17 17:27:01,988 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-17 17:27:01,989 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-17 17:27:01,989 INFO L85 PathProgramCache]: Analyzing trace with hash 1521784359, now seen corresponding path program 1 times [2021-12-17 17:27:01,989 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-17 17:27:01,989 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [191151070] [2021-12-17 17:27:01,989 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-17 17:27:01,990 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-17 17:27:03,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 17:31:56,354 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-17 17:31:56,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 17:31:56,372 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2021-12-17 17:31:56,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 17:31:56,805 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2021-12-17 17:31:56,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 17:31:56,807 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-17 17:31:56,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 17:31:56,809 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2021-12-17 17:31:56,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 17:31:56,811 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2021-12-17 17:31:56,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 17:31:56,813 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2021-12-17 17:31:56,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 17:31:56,814 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2021-12-17 17:31:56,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 17:31:56,816 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2021-12-17 17:31:56,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 17:31:56,818 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2021-12-17 17:31:56,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 17:31:56,820 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2021-12-17 17:31:56,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 17:31:56,822 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2021-12-17 17:31:56,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 17:31:56,824 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2021-12-17 17:31:56,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 17:31:56,830 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2021-12-17 17:31:56,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 17:31:56,833 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2021-12-17 17:31:56,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 17:31:56,836 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2021-12-17 17:31:56,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 17:31:56,842 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2021-12-17 17:31:56,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 17:31:56,847 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2021-12-17 17:31:56,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 17:31:56,849 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2021-12-17 17:31:56,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 17:31:56,852 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2021-12-17 17:31:56,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 17:31:56,854 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2021-12-17 17:31:56,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 17:31:56,862 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2021-12-17 17:31:56,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 17:31:56,867 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2021-12-17 17:31:56,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 17:31:56,874 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2021-12-17 17:31:56,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 17:31:56,878 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2021-12-17 17:31:56,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 17:31:56,881 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2021-12-17 17:31:56,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 17:31:56,885 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2021-12-17 17:31:56,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 17:31:56,903 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2021-12-17 17:31:56,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 17:31:56,915 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2021-12-17 17:31:56,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 17:31:56,949 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2021-12-17 17:31:56,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 17:31:56,971 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2021-12-17 17:31:56,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 17:31:56,990 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2021-12-17 17:31:56,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 17:31:57,015 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2021-12-17 17:31:57,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 17:31:57,060 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 183 [2021-12-17 17:31:57,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 17:31:57,096 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 189 [2021-12-17 17:31:57,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 17:31:57,131 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2021-12-17 17:31:57,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 17:31:57,162 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2021-12-17 17:31:57,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 17:31:57,220 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2021-12-17 17:31:57,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 17:31:57,274 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 211 [2021-12-17 17:31:57,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 17:31:57,341 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 216 [2021-12-17 17:31:57,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 17:31:57,416 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 222 [2021-12-17 17:31:57,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 17:31:57,487 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2021-12-17 17:31:57,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 17:31:57,566 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 233 [2021-12-17 17:31:57,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 17:31:57,644 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 238 [2021-12-17 17:31:57,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 17:31:57,725 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 243 [2021-12-17 17:31:57,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 17:31:57,806 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 248 [2021-12-17 17:31:57,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 17:31:57,889 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 253 [2021-12-17 17:31:57,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 17:31:57,971 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 258 [2021-12-17 17:31:58,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 17:31:58,061 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 263 [2021-12-17 17:31:58,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 17:31:58,188 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 268 [2021-12-17 17:31:58,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 17:31:58,278 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 273 [2021-12-17 17:31:58,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 17:31:58,368 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2021-12-17 17:31:58,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 17:31:58,456 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 283 [2021-12-17 17:31:58,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 17:31:58,633 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 288 [2021-12-17 17:31:58,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 17:31:58,778 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 293 [2021-12-17 17:31:58,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 17:31:58,879 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 298 [2021-12-17 17:31:58,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 17:31:58,971 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 303 [2021-12-17 17:31:59,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 17:31:59,062 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 308 [2021-12-17 17:31:59,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 17:31:59,154 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 313 [2021-12-17 17:31:59,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 17:31:59,254 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 318 [2021-12-17 17:31:59,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 17:31:59,350 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 323 [2021-12-17 17:31:59,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 17:31:59,451 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 328 [2021-12-17 17:31:59,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 17:31:59,550 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 333 [2021-12-17 17:31:59,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 17:31:59,646 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 338 [2021-12-17 17:31:59,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 17:31:59,743 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 343 [2021-12-17 17:31:59,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 17:31:59,842 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 348 [2021-12-17 17:31:59,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 17:31:59,946 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 353 [2021-12-17 17:31:59,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 17:32:00,049 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 358 [2021-12-17 17:32:00,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 17:32:00,159 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 363 [2021-12-17 17:32:00,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 17:32:00,293 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 368 [2021-12-17 17:32:00,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 17:32:00,381 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 373 [2021-12-17 17:32:00,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 17:32:00,468 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 378 [2021-12-17 17:32:00,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 17:32:00,556 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 383 [2021-12-17 17:32:00,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 17:32:00,643 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 388 [2021-12-17 17:32:00,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 17:32:00,731 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 393 [2021-12-17 17:32:00,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 17:32:00,820 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 398 [2021-12-17 17:32:00,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 17:32:00,914 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 403 [2021-12-17 17:32:00,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 17:32:00,997 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 408 [2021-12-17 17:32:01,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 17:32:01,096 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 413 [2021-12-17 17:32:01,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 17:32:01,178 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 418 [2021-12-17 17:32:01,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 17:32:01,262 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 423 [2021-12-17 17:32:01,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 17:32:01,352 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 428 [2021-12-17 17:32:01,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 17:32:01,446 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 433 [2021-12-17 17:32:01,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 17:32:01,533 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 438 [2021-12-17 17:32:01,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 17:32:01,622 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 443 [2021-12-17 17:32:01,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 17:32:01,714 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 448 [2021-12-17 17:32:01,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 17:32:01,866 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 453 [2021-12-17 17:32:01,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 17:32:01,944 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 458 [2021-12-17 17:32:01,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 17:32:02,023 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 463 [2021-12-17 17:32:02,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 17:32:02,103 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 468 [2021-12-17 17:32:02,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 17:32:02,178 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 473 [2021-12-17 17:32:02,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 17:32:02,257 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 478 [2021-12-17 17:32:02,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 17:32:02,335 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 483 [2021-12-17 17:32:02,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 17:32:02,440 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 488 [2021-12-17 17:32:02,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 17:32:02,549 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 493 [2021-12-17 17:32:02,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 17:32:02,649 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 498 [2021-12-17 17:32:02,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 17:32:02,731 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 503 [2021-12-17 17:32:02,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 17:32:02,824 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 508 [2021-12-17 17:32:02,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 17:32:02,895 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 513 [2021-12-17 17:32:02,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 17:32:02,994 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 518 [2021-12-17 17:32:03,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 17:32:03,088 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 523 [2021-12-17 17:32:03,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 17:32:03,183 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 528 [2021-12-17 17:32:03,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 17:32:03,270 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 533 [2021-12-17 17:32:03,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 17:32:03,401 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 538 [2021-12-17 17:32:03,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 17:32:03,491 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 543 [2021-12-17 17:32:03,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 17:32:03,576 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 548 [2021-12-17 17:32:03,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 17:32:03,662 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 553 [2021-12-17 17:32:03,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 17:32:03,743 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 558 [2021-12-17 17:32:03,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 17:32:03,845 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 563 [2021-12-17 17:32:03,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 17:32:03,930 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 568 [2021-12-17 17:32:03,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 17:32:04,005 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 573 [2021-12-17 17:32:04,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 17:32:04,082 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 578 [2021-12-17 17:32:04,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 17:32:04,176 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 583 [2021-12-17 17:32:04,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 17:32:04,265 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 588 [2021-12-17 17:32:04,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 17:32:04,360 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 593 [2021-12-17 17:32:04,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 17:32:04,438 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 598 [2021-12-17 17:32:04,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 17:32:04,522 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 603 [2021-12-17 17:32:04,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 17:32:04,609 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 608 [2021-12-17 17:32:04,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 17:32:04,693 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 613 [2021-12-17 17:32:04,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 17:32:04,787 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 618 [2021-12-17 17:32:04,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 17:32:04,907 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 623 [2021-12-17 17:32:04,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 17:32:05,013 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 628 [2021-12-17 17:32:05,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 17:32:05,088 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 633 [2021-12-17 17:32:05,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 17:32:05,164 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 638 [2021-12-17 17:32:05,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 17:32:05,241 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 643 [2021-12-17 17:32:05,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 17:32:05,319 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 648 [2021-12-17 17:32:05,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 17:32:05,400 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 653 [2021-12-17 17:32:05,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 17:32:05,482 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 658 [2021-12-17 17:32:05,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 17:32:05,571 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 663 [2021-12-17 17:32:05,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 17:32:05,663 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 668 [2021-12-17 17:32:05,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 17:32:05,743 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 673 [2021-12-17 17:32:05,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 17:32:05,825 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 678 [2021-12-17 17:32:05,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 17:32:05,907 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 683 [2021-12-17 17:32:05,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 17:32:05,969 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 688 [2021-12-17 17:32:06,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 17:32:06,035 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 693 [2021-12-17 17:32:06,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 17:32:06,099 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 698 [2021-12-17 17:32:06,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 17:32:06,170 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 703 [2021-12-17 17:32:06,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 17:32:06,239 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 708 [2021-12-17 17:32:06,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 17:32:06,306 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 713 [2021-12-17 17:32:06,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 17:32:06,375 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 718 [2021-12-17 17:32:06,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 17:32:06,490 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 723 [2021-12-17 17:32:06,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 17:32:06,556 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 728 [2021-12-17 17:32:06,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 17:32:06,613 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 736 [2021-12-17 17:32:06,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 17:32:06,733 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 744 [2021-12-17 17:32:06,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 17:32:06,909 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 752 [2021-12-17 17:32:06,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 17:32:06,981 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 760 [2021-12-17 17:32:06,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 17:32:07,003 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 768 [2021-12-17 17:32:07,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 17:32:07,030 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 776 [2021-12-17 17:32:07,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 17:32:07,038 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 784 [2021-12-17 17:32:07,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 17:32:07,041 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 792 [2021-12-17 17:32:07,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 17:32:07,045 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 800 [2021-12-17 17:32:07,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 17:32:07,049 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 808 [2021-12-17 17:32:07,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 17:32:07,086 INFO L134 CoverageAnalysis]: Checked inductivity of 45904 backedges. 8829 proven. 3936 refuted. 0 times theorem prover too weak. 33139 trivial. 0 not checked. [2021-12-17 17:32:07,086 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-17 17:32:07,087 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [191151070] [2021-12-17 17:32:07,087 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [191151070] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-17 17:32:07,087 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1648030412] [2021-12-17 17:32:07,087 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-17 17:32:07,088 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-17 17:32:07,088 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-17 17:32:07,089 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) [2021-12-17 17:32:07,090 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-12-17 17:32:07,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 17:32:07,405 INFO L263 TraceCheckSpWp]: Trace formula consists of 1550 conjuncts, 113 conjunts are in the unsatisfiable core [2021-12-17 17:32:07,439 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-17 17:32:25,886 INFO L134 CoverageAnalysis]: Checked inductivity of 45904 backedges. 6781 proven. 2607 refuted. 0 times theorem prover too weak. 36516 trivial. 0 not checked. [2021-12-17 17:32:25,887 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-12-17 17:34:19,806 INFO L134 CoverageAnalysis]: Checked inductivity of 45904 backedges. 4413 proven. 2823 refuted. 0 times theorem prover too weak. 38668 trivial. 0 not checked. [2021-12-17 17:34:19,807 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1648030412] provided 0 perfect and 2 imperfect interpolant sequences [2021-12-17 17:34:19,807 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-12-17 17:34:19,807 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [74, 33, 36] total 135 [2021-12-17 17:34:19,808 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1998789360] [2021-12-17 17:34:19,808 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-12-17 17:34:19,811 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 135 states [2021-12-17 17:34:19,811 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-17 17:34:19,812 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 135 interpolants. [2021-12-17 17:34:19,819 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=792, Invalid=17298, Unknown=0, NotChecked=0, Total=18090 [2021-12-17 17:34:19,820 INFO L87 Difference]: Start difference. First operand 211 states and 371 transitions. Second operand has 135 states, 87 states have (on average 1.7126436781609196) internal successors, (149), 83 states have internal predecessors, (149), 84 states have call successors, (441), 2 states have call predecessors, (441), 3 states have return successors, (443), 79 states have call predecessors, (443), 84 states have call successors, (443) [2021-12-17 17:36:19,015 WARN L227 SmtUtils]: Spent 7.65s on a formula simplification. DAG size of input: 1353 DAG size of output: 646 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2021-12-17 17:36:31,091 WARN L227 SmtUtils]: Spent 10.79s on a formula simplification. DAG size of input: 1486 DAG size of output: 836 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2021-12-17 17:36:39,514 WARN L227 SmtUtils]: Spent 6.85s on a formula simplification. DAG size of input: 1304 DAG size of output: 657 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2021-12-17 17:36:49,290 WARN L227 SmtUtils]: Spent 8.40s on a formula simplification. DAG size of input: 1255 DAG size of output: 721 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2021-12-17 17:37:05,805 WARN L227 SmtUtils]: Spent 11.13s on a formula simplification. DAG size of input: 1493 DAG size of output: 842 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2021-12-17 17:37:18,133 WARN L227 SmtUtils]: Spent 10.87s on a formula simplification. DAG size of input: 1406 DAG size of output: 831 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2021-12-17 17:37:31,711 WARN L227 SmtUtils]: Spent 8.39s on a formula simplification. DAG size of input: 1188 DAG size of output: 698 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2021-12-17 17:37:40,818 WARN L227 SmtUtils]: Spent 7.73s on a formula simplification. DAG size of input: 1252 DAG size of output: 680 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2021-12-17 17:37:47,993 WARN L227 SmtUtils]: Spent 6.26s on a formula simplification. DAG size of input: 1007 DAG size of output: 511 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2021-12-17 17:38:06,277 WARN L227 SmtUtils]: Spent 12.56s on a formula simplification. DAG size of input: 1525 DAG size of output: 895 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2021-12-17 17:38:23,094 WARN L227 SmtUtils]: Spent 6.33s on a formula simplification. DAG size of input: 1020 DAG size of output: 524 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2021-12-17 17:38:40,387 WARN L227 SmtUtils]: Spent 15.71s on a formula simplification. DAG size of input: 1478 DAG size of output: 897 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2021-12-17 17:38:57,040 WARN L227 SmtUtils]: Spent 6.44s on a formula simplification. DAG size of input: 1017 DAG size of output: 521 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2021-12-17 17:39:19,932 WARN L227 SmtUtils]: Spent 21.11s on a formula simplification. DAG size of input: 1680 DAG size of output: 1064 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2021-12-17 17:39:44,136 WARN L227 SmtUtils]: Spent 22.31s on a formula simplification. DAG size of input: 1859 DAG size of output: 1185 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2021-12-17 17:39:54,645 WARN L227 SmtUtils]: Spent 9.28s on a formula simplification. DAG size of input: 1192 DAG size of output: 742 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2021-12-17 17:40:10,883 WARN L227 SmtUtils]: Spent 9.56s on a formula simplification. DAG size of input: 1222 DAG size of output: 727 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) Killed by 15