./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/xcsp/Dubois-029.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version eb692b52 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/Dubois-029.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 02ee31309d185b0f67b45e1f0d16ce303e0e306687ed560a0f083651fc3e96db --- Real Ultimate output --- This is Ultimate 0.2.2-?-eb692b5 [2022-07-19 18:57:06,061 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-19 18:57:06,076 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-19 18:57:06,126 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-19 18:57:06,127 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-19 18:57:06,128 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-19 18:57:06,133 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-19 18:57:06,138 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-19 18:57:06,140 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-19 18:57:06,143 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-19 18:57:06,144 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-19 18:57:06,146 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-19 18:57:06,146 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-19 18:57:06,151 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-19 18:57:06,152 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-19 18:57:06,154 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-19 18:57:06,155 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-19 18:57:06,155 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-19 18:57:06,157 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-19 18:57:06,161 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-19 18:57:06,165 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-19 18:57:06,166 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-19 18:57:06,167 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-19 18:57:06,168 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-19 18:57:06,169 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-19 18:57:06,172 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-19 18:57:06,172 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-19 18:57:06,173 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-19 18:57:06,173 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-19 18:57:06,174 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-19 18:57:06,175 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-19 18:57:06,176 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-19 18:57:06,177 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-19 18:57:06,178 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-19 18:57:06,178 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-19 18:57:06,179 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-19 18:57:06,179 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-19 18:57:06,180 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-19 18:57:06,180 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-19 18:57:06,180 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-19 18:57:06,181 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-19 18:57:06,182 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-19 18:57:06,183 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2022-07-19 18:57:06,213 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-19 18:57:06,213 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-19 18:57:06,214 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-19 18:57:06,214 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-19 18:57:06,215 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-19 18:57:06,215 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-19 18:57:06,215 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-19 18:57:06,216 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-19 18:57:06,216 INFO L138 SettingsManager]: * Use SBE=true [2022-07-19 18:57:06,217 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-19 18:57:06,217 INFO L138 SettingsManager]: * sizeof long=4 [2022-07-19 18:57:06,217 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-07-19 18:57:06,217 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-07-19 18:57:06,217 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-19 18:57:06,218 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-19 18:57:06,218 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-19 18:57:06,218 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-19 18:57:06,218 INFO L138 SettingsManager]: * sizeof long double=12 [2022-07-19 18:57:06,218 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-19 18:57:06,220 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-19 18:57:06,220 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-19 18:57:06,220 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-19 18:57:06,220 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-19 18:57:06,220 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-19 18:57:06,221 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-19 18:57:06,221 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-19 18:57:06,221 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-19 18:57:06,221 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-19 18:57:06,221 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-07-19 18:57:06,222 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-07-19 18:57:06,222 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-19 18:57:06,222 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-19 18:57:06,222 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-19 18:57:06,222 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 02ee31309d185b0f67b45e1f0d16ce303e0e306687ed560a0f083651fc3e96db [2022-07-19 18:57:06,438 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-19 18:57:06,456 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-19 18:57:06,459 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-19 18:57:06,460 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-19 18:57:06,460 INFO L275 PluginConnector]: CDTParser initialized [2022-07-19 18:57:06,462 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/xcsp/Dubois-029.c [2022-07-19 18:57:06,520 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ee2f6dcc5/736418e9ddce4f74a63dacb121deb4dc/FLAGb24a309c9 [2022-07-19 18:57:06,922 INFO L306 CDTParser]: Found 1 translation units. [2022-07-19 18:57:06,922 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/xcsp/Dubois-029.c [2022-07-19 18:57:06,938 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ee2f6dcc5/736418e9ddce4f74a63dacb121deb4dc/FLAGb24a309c9 [2022-07-19 18:57:06,949 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ee2f6dcc5/736418e9ddce4f74a63dacb121deb4dc [2022-07-19 18:57:06,951 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-19 18:57:06,952 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-19 18:57:06,953 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-19 18:57:06,953 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-19 18:57:06,955 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-19 18:57:06,956 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.07 06:57:06" (1/1) ... [2022-07-19 18:57:06,957 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@19175741 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 06:57:06, skipping insertion in model container [2022-07-19 18:57:06,957 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.07 06:57:06" (1/1) ... [2022-07-19 18:57:06,962 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-19 18:57:06,993 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-19 18:57:07,285 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/Dubois-029.c[20556,20569] [2022-07-19 18:57:07,420 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-19 18:57:07,432 INFO L203 MainTranslator]: Completed pre-run [2022-07-19 18:57:07,528 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/Dubois-029.c[20556,20569] [2022-07-19 18:57:07,573 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-19 18:57:07,583 INFO L208 MainTranslator]: Completed translation [2022-07-19 18:57:07,583 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 06:57:07 WrapperNode [2022-07-19 18:57:07,584 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-19 18:57:07,585 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-07-19 18:57:07,585 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-07-19 18:57:07,585 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-07-19 18:57:07,592 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 06:57:07" (1/1) ... [2022-07-19 18:57:07,622 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 06:57:07" (1/1) ... [2022-07-19 18:57:13,267 INFO L137 Inliner]: procedures = 13, calls = 239, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 597 [2022-07-19 18:57:13,268 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-07-19 18:57:13,269 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-07-19 18:57:13,269 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-07-19 18:57:13,269 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-07-19 18:57:13,277 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 06:57:07" (1/1) ... [2022-07-19 18:57:13,277 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 06:57:07" (1/1) ... [2022-07-19 18:57:15,245 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 06:57:07" (1/1) ... [2022-07-19 18:57:15,245 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 06:57:07" (1/1) ... [2022-07-19 18:57:18,590 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 06:57:07" (1/1) ... [2022-07-19 18:57:18,599 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 06:57:07" (1/1) ... [2022-07-19 18:57:18,855 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 06:57:07" (1/1) ... [2022-07-19 18:57:20,020 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-07-19 18:57:20,022 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-07-19 18:57:20,023 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-07-19 18:57:20,023 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-07-19 18:57:20,025 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 06:57:07" (1/1) ... [2022-07-19 18:57:20,032 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-19 18:57:20,043 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-19 18:57:20,059 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-07-19 18:57:20,061 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-07-19 18:57:20,091 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-07-19 18:57:20,091 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-07-19 18:57:20,092 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-07-19 18:57:20,092 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-07-19 18:57:20,092 INFO L130 BoogieDeclarations]: Found specification of procedure assume [2022-07-19 18:57:20,092 INFO L138 BoogieDeclarations]: Found implementation of procedure assume [2022-07-19 18:57:20,189 INFO L234 CfgBuilder]: Building ICFG [2022-07-19 18:57:20,190 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-07-19 18:57:23,631 INFO L275 CfgBuilder]: Performing block encoding [2022-07-19 18:57:23,650 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-07-19 18:57:23,650 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2022-07-19 18:57:23,653 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.07 06:57:23 BoogieIcfgContainer [2022-07-19 18:57:23,654 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-07-19 18:57:23,656 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-07-19 18:57:23,657 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-07-19 18:57:23,661 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-07-19 18:57:23,662 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.07 06:57:06" (1/3) ... [2022-07-19 18:57:23,662 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@b3bbb83 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.07 06:57:23, skipping insertion in model container [2022-07-19 18:57:23,663 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 06:57:07" (2/3) ... [2022-07-19 18:57:23,663 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@b3bbb83 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.07 06:57:23, skipping insertion in model container [2022-07-19 18:57:23,663 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.07 06:57:23" (3/3) ... [2022-07-19 18:57:23,665 INFO L111 eAbstractionObserver]: Analyzing ICFG Dubois-029.c [2022-07-19 18:57:23,679 INFO L201 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-07-19 18:57:23,681 INFO L160 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-07-19 18:57:23,741 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-07-19 18:57:23,747 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@179c6b01, mLbeIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@6e6da878 [2022-07-19 18:57:23,748 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-07-19 18:57:23,753 INFO L276 IsEmpty]: Start isEmpty. Operand has 330 states, 95 states have (on average 1.0210526315789474) internal successors, (97), 96 states have internal predecessors, (97), 232 states have call successors, (232), 1 states have call predecessors, (232), 1 states have return successors, (232), 232 states have call predecessors, (232), 232 states have call successors, (232) [2022-07-19 18:57:23,826 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1251 [2022-07-19 18:57:23,827 INFO L187 NwaCegarLoop]: Found error trace [2022-07-19 18:57:23,828 INFO L195 NwaCegarLoop]: trace histogram [232, 232, 232, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-19 18:57:23,829 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-19 18:57:23,834 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-19 18:57:23,835 INFO L85 PathProgramCache]: Analyzing trace with hash 261445263, now seen corresponding path program 1 times [2022-07-19 18:57:23,843 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-19 18:57:23,843 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1450636691] [2022-07-19 18:57:23,844 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-19 18:57:23,845 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-19 18:57:24,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 18:57:24,602 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-19 18:57:24,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 18:57:24,608 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-07-19 18:57:24,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 18:57:24,611 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-07-19 18:57:24,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 18:57:24,613 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-19 18:57:24,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 18:57:24,615 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2022-07-19 18:57:24,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 18:57:24,617 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2022-07-19 18:57:24,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 18:57:24,619 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2022-07-19 18:57:24,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 18:57:24,621 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2022-07-19 18:57:24,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 18:57:24,623 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2022-07-19 18:57:24,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 18:57:24,625 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2022-07-19 18:57:24,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 18:57:24,627 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2022-07-19 18:57:24,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 18:57:24,629 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2022-07-19 18:57:24,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 18:57:24,632 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2022-07-19 18:57:24,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 18:57:24,634 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2022-07-19 18:57:24,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 18:57:24,636 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2022-07-19 18:57:24,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 18:57:24,637 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2022-07-19 18:57:24,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 18:57:24,639 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2022-07-19 18:57:24,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 18:57:24,641 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2022-07-19 18:57:24,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 18:57:24,643 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2022-07-19 18:57:24,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 18:57:24,645 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2022-07-19 18:57:24,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 18:57:24,646 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2022-07-19 18:57:24,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 18:57:24,648 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2022-07-19 18:57:24,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 18:57:24,650 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2022-07-19 18:57:24,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 18:57:24,652 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2022-07-19 18:57:24,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 18:57:24,654 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2022-07-19 18:57:24,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 18:57:24,656 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2022-07-19 18:57:24,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 18:57:24,657 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2022-07-19 18:57:24,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 18:57:24,659 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2022-07-19 18:57:24,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 18:57:24,661 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2022-07-19 18:57:24,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 18:57:24,663 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2022-07-19 18:57:24,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 18:57:24,665 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2022-07-19 18:57:24,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 18:57:24,667 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2022-07-19 18:57:24,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 18:57:24,668 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2022-07-19 18:57:24,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 18:57:24,670 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 183 [2022-07-19 18:57:24,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 18:57:24,671 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 189 [2022-07-19 18:57:24,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 18:57:24,673 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2022-07-19 18:57:24,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 18:57:24,675 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2022-07-19 18:57:24,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 18:57:24,680 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2022-07-19 18:57:24,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 18:57:24,684 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 211 [2022-07-19 18:57:24,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 18:57:24,687 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 216 [2022-07-19 18:57:24,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 18:57:24,696 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 222 [2022-07-19 18:57:24,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 18:57:24,698 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2022-07-19 18:57:24,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 18:57:24,700 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 233 [2022-07-19 18:57:24,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 18:57:24,708 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 238 [2022-07-19 18:57:24,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 18:57:24,710 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 244 [2022-07-19 18:57:24,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 18:57:24,711 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 249 [2022-07-19 18:57:24,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 18:57:24,716 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 255 [2022-07-19 18:57:24,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 18:57:24,718 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 260 [2022-07-19 18:57:24,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 18:57:24,722 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 266 [2022-07-19 18:57:24,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 18:57:24,724 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 271 [2022-07-19 18:57:24,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 18:57:24,727 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 277 [2022-07-19 18:57:24,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 18:57:24,731 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 282 [2022-07-19 18:57:24,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 18:57:24,734 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 288 [2022-07-19 18:57:24,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 18:57:24,736 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 293 [2022-07-19 18:57:24,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 18:57:24,740 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 299 [2022-07-19 18:57:24,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 18:57:24,744 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 304 [2022-07-19 18:57:24,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 18:57:24,746 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 310 [2022-07-19 18:57:24,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 18:57:24,748 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 315 [2022-07-19 18:57:24,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 18:57:24,751 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 321 [2022-07-19 18:57:24,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 18:57:24,753 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 326 [2022-07-19 18:57:24,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 18:57:24,757 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 332 [2022-07-19 18:57:24,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 18:57:24,760 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 337 [2022-07-19 18:57:24,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 18:57:24,764 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 343 [2022-07-19 18:57:24,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 18:57:24,767 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 348 [2022-07-19 18:57:24,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 18:57:24,771 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 354 [2022-07-19 18:57:24,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 18:57:24,777 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 359 [2022-07-19 18:57:24,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 18:57:24,779 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 365 [2022-07-19 18:57:24,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 18:57:24,781 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 370 [2022-07-19 18:57:24,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 18:57:24,782 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 376 [2022-07-19 18:57:24,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 18:57:24,786 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 381 [2022-07-19 18:57:24,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 18:57:24,788 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 387 [2022-07-19 18:57:24,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 18:57:24,792 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 392 [2022-07-19 18:57:24,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 18:57:24,799 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 398 [2022-07-19 18:57:24,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 18:57:24,802 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 403 [2022-07-19 18:57:24,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 18:57:24,803 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 409 [2022-07-19 18:57:24,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 18:57:24,805 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 414 [2022-07-19 18:57:24,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 18:57:24,806 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 420 [2022-07-19 18:57:24,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 18:57:24,808 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 425 [2022-07-19 18:57:24,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 18:57:24,809 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 431 [2022-07-19 18:57:24,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 18:57:24,811 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 436 [2022-07-19 18:57:24,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 18:57:24,812 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 442 [2022-07-19 18:57:24,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 18:57:24,813 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 447 [2022-07-19 18:57:24,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 18:57:24,815 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 453 [2022-07-19 18:57:24,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 18:57:24,816 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 458 [2022-07-19 18:57:24,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 18:57:24,819 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 464 [2022-07-19 18:57:24,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 18:57:24,824 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 469 [2022-07-19 18:57:24,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 18:57:24,829 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 475 [2022-07-19 18:57:24,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 18:57:24,831 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 480 [2022-07-19 18:57:24,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 18:57:24,835 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 486 [2022-07-19 18:57:24,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 18:57:24,839 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 491 [2022-07-19 18:57:24,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 18:57:24,846 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 497 [2022-07-19 18:57:24,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 18:57:24,849 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 502 [2022-07-19 18:57:24,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 18:57:24,851 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 508 [2022-07-19 18:57:24,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 18:57:24,853 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 513 [2022-07-19 18:57:24,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 18:57:24,854 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 519 [2022-07-19 18:57:24,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 18:57:24,860 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 524 [2022-07-19 18:57:24,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 18:57:24,862 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 530 [2022-07-19 18:57:24,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 18:57:24,863 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 535 [2022-07-19 18:57:24,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 18:57:24,864 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 541 [2022-07-19 18:57:24,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 18:57:24,866 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 546 [2022-07-19 18:57:24,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 18:57:24,868 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 552 [2022-07-19 18:57:24,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 18:57:24,870 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 557 [2022-07-19 18:57:24,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 18:57:24,873 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 563 [2022-07-19 18:57:24,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 18:57:24,878 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 568 [2022-07-19 18:57:24,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 18:57:24,879 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 574 [2022-07-19 18:57:24,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 18:57:24,881 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 579 [2022-07-19 18:57:24,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 18:57:24,883 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 585 [2022-07-19 18:57:24,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 18:57:24,890 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 590 [2022-07-19 18:57:24,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 18:57:24,893 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 596 [2022-07-19 18:57:24,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 18:57:24,894 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 601 [2022-07-19 18:57:24,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 18:57:24,896 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 607 [2022-07-19 18:57:24,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 18:57:24,906 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 612 [2022-07-19 18:57:24,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 18:57:24,909 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 618 [2022-07-19 18:57:24,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 18:57:24,910 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 623 [2022-07-19 18:57:24,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 18:57:24,911 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 629 [2022-07-19 18:57:24,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 18:57:24,916 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 634 [2022-07-19 18:57:24,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 18:57:24,917 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 640 [2022-07-19 18:57:24,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 18:57:24,918 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 645 [2022-07-19 18:57:24,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 18:57:24,921 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 651 [2022-07-19 18:57:24,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 18:57:24,924 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 656 [2022-07-19 18:57:24,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 18:57:24,925 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 662 [2022-07-19 18:57:24,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 18:57:24,928 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 667 [2022-07-19 18:57:24,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 18:57:24,933 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 673 [2022-07-19 18:57:24,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 18:57:24,936 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 678 [2022-07-19 18:57:24,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 18:57:24,941 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 684 [2022-07-19 18:57:24,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 18:57:24,943 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 689 [2022-07-19 18:57:24,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 18:57:24,945 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 695 [2022-07-19 18:57:24,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 18:57:24,959 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 700 [2022-07-19 18:57:24,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 18:57:24,968 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 706 [2022-07-19 18:57:24,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 18:57:24,974 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 711 [2022-07-19 18:57:24,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 18:57:24,975 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 717 [2022-07-19 18:57:24,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 18:57:24,978 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 722 [2022-07-19 18:57:24,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 18:57:24,980 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 728 [2022-07-19 18:57:24,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 18:57:24,981 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 733 [2022-07-19 18:57:24,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 18:57:24,982 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 739 [2022-07-19 18:57:24,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 18:57:24,983 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 744 [2022-07-19 18:57:24,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 18:57:24,985 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 750 [2022-07-19 18:57:24,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 18:57:24,987 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 755 [2022-07-19 18:57:24,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 18:57:24,988 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 761 [2022-07-19 18:57:24,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 18:57:24,989 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 766 [2022-07-19 18:57:24,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 18:57:24,991 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 772 [2022-07-19 18:57:24,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 18:57:24,992 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 777 [2022-07-19 18:57:24,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 18:57:24,993 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 783 [2022-07-19 18:57:24,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 18:57:24,995 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 788 [2022-07-19 18:57:24,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 18:57:24,996 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 794 [2022-07-19 18:57:24,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 18:57:24,997 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 799 [2022-07-19 18:57:24,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 18:57:24,999 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 805 [2022-07-19 18:57:24,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 18:57:25,000 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 810 [2022-07-19 18:57:25,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 18:57:25,001 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 816 [2022-07-19 18:57:25,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 18:57:25,003 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 821 [2022-07-19 18:57:25,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 18:57:25,004 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 827 [2022-07-19 18:57:25,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 18:57:25,008 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 832 [2022-07-19 18:57:25,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 18:57:25,013 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 838 [2022-07-19 18:57:25,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 18:57:25,015 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 843 [2022-07-19 18:57:25,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 18:57:25,016 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 849 [2022-07-19 18:57:25,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 18:57:25,017 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 854 [2022-07-19 18:57:25,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 18:57:25,019 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 860 [2022-07-19 18:57:25,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 18:57:25,020 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 865 [2022-07-19 18:57:25,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 18:57:25,021 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 871 [2022-07-19 18:57:25,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 18:57:25,023 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 876 [2022-07-19 18:57:25,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 18:57:25,026 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 882 [2022-07-19 18:57:25,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 18:57:25,028 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 887 [2022-07-19 18:57:25,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 18:57:25,029 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 893 [2022-07-19 18:57:25,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 18:57:25,030 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 898 [2022-07-19 18:57:25,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 18:57:25,031 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 904 [2022-07-19 18:57:25,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 18:57:25,033 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 909 [2022-07-19 18:57:25,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 18:57:25,037 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 915 [2022-07-19 18:57:25,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 18:57:25,038 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 920 [2022-07-19 18:57:25,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 18:57:25,039 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 926 [2022-07-19 18:57:25,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 18:57:25,041 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 931 [2022-07-19 18:57:25,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 18:57:25,045 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 937 [2022-07-19 18:57:25,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 18:57:25,048 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 942 [2022-07-19 18:57:25,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 18:57:25,049 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 948 [2022-07-19 18:57:25,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 18:57:25,052 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 953 [2022-07-19 18:57:25,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 18:57:25,054 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 959 [2022-07-19 18:57:25,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 18:57:25,058 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 964 [2022-07-19 18:57:25,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 18:57:25,061 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 969 [2022-07-19 18:57:25,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 18:57:25,066 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 974 [2022-07-19 18:57:25,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 18:57:25,069 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 979 [2022-07-19 18:57:25,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 18:57:25,074 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 984 [2022-07-19 18:57:25,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 18:57:25,077 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 989 [2022-07-19 18:57:25,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 18:57:25,079 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 994 [2022-07-19 18:57:25,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 18:57:25,082 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 999 [2022-07-19 18:57:25,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 18:57:25,085 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1004 [2022-07-19 18:57:25,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 18:57:25,089 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1009 [2022-07-19 18:57:25,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 18:57:25,092 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1014 [2022-07-19 18:57:25,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 18:57:25,095 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1019 [2022-07-19 18:57:25,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 18:57:25,099 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1024 [2022-07-19 18:57:25,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 18:57:25,102 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1029 [2022-07-19 18:57:25,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 18:57:25,105 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1034 [2022-07-19 18:57:25,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 18:57:25,110 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1039 [2022-07-19 18:57:25,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 18:57:25,121 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1044 [2022-07-19 18:57:25,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 18:57:25,127 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1049 [2022-07-19 18:57:25,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 18:57:25,131 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1054 [2022-07-19 18:57:25,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 18:57:25,134 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1059 [2022-07-19 18:57:25,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 18:57:25,137 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1064 [2022-07-19 18:57:25,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 18:57:25,143 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1069 [2022-07-19 18:57:25,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 18:57:25,147 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1074 [2022-07-19 18:57:25,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 18:57:25,151 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1079 [2022-07-19 18:57:25,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 18:57:25,154 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1084 [2022-07-19 18:57:25,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 18:57:25,175 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1089 [2022-07-19 18:57:25,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 18:57:25,179 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1094 [2022-07-19 18:57:25,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 18:57:25,183 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1099 [2022-07-19 18:57:25,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 18:57:25,186 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1104 [2022-07-19 18:57:25,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 18:57:25,189 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1109 [2022-07-19 18:57:25,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 18:57:25,193 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1114 [2022-07-19 18:57:25,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 18:57:25,196 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1119 [2022-07-19 18:57:25,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 18:57:25,200 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1124 [2022-07-19 18:57:25,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 18:57:25,203 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1129 [2022-07-19 18:57:25,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 18:57:25,206 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1134 [2022-07-19 18:57:25,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 18:57:25,209 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1139 [2022-07-19 18:57:25,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 18:57:25,212 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1144 [2022-07-19 18:57:25,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 18:57:25,216 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1149 [2022-07-19 18:57:25,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 18:57:25,219 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1154 [2022-07-19 18:57:25,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 18:57:25,223 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1159 [2022-07-19 18:57:25,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 18:57:25,226 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1164 [2022-07-19 18:57:25,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 18:57:25,229 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1169 [2022-07-19 18:57:25,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 18:57:25,232 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1174 [2022-07-19 18:57:25,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 18:57:25,235 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1179 [2022-07-19 18:57:25,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 18:57:25,238 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1184 [2022-07-19 18:57:25,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 18:57:25,241 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1189 [2022-07-19 18:57:25,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 18:57:25,244 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1194 [2022-07-19 18:57:25,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 18:57:25,247 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1199 [2022-07-19 18:57:25,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 18:57:25,250 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1204 [2022-07-19 18:57:25,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 18:57:25,253 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1209 [2022-07-19 18:57:25,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 18:57:25,257 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1214 [2022-07-19 18:57:25,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 18:57:25,261 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1219 [2022-07-19 18:57:25,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 18:57:25,265 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1224 [2022-07-19 18:57:25,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 18:57:25,270 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1229 [2022-07-19 18:57:25,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 18:57:25,274 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1234 [2022-07-19 18:57:25,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 18:57:25,277 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1239 [2022-07-19 18:57:25,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 18:57:25,280 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1244 [2022-07-19 18:57:25,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 18:57:25,303 INFO L134 CoverageAnalysis]: Checked inductivity of 107184 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 107184 trivial. 0 not checked. [2022-07-19 18:57:25,304 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-19 18:57:25,304 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1450636691] [2022-07-19 18:57:25,305 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1450636691] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-19 18:57:25,305 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-19 18:57:25,306 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-07-19 18:57:25,307 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1475033928] [2022-07-19 18:57:25,308 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-19 18:57:25,314 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-07-19 18:57:25,314 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-19 18:57:25,337 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-07-19 18:57:25,338 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-07-19 18:57:25,342 INFO L87 Difference]: Start difference. First operand has 330 states, 95 states have (on average 1.0210526315789474) internal successors, (97), 96 states have internal predecessors, (97), 232 states have call successors, (232), 1 states have call predecessors, (232), 1 states have return successors, (232), 232 states have call predecessors, (232), 232 states have call successors, (232) Second operand has 2 states, 2 states have (on average 46.5) internal successors, (93), 2 states have internal predecessors, (93), 2 states have call successors, (232), 1 states have call predecessors, (232), 1 states have return successors, (232), 1 states have call predecessors, (232), 2 states have call successors, (232) [2022-07-19 18:57:25,419 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-19 18:57:25,419 INFO L93 Difference]: Finished difference Result 654 states and 1348 transitions. [2022-07-19 18:57:25,420 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-07-19 18:57:25,422 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 46.5) internal successors, (93), 2 states have internal predecessors, (93), 2 states have call successors, (232), 1 states have call predecessors, (232), 1 states have return successors, (232), 1 states have call predecessors, (232), 2 states have call successors, (232) Word has length 1250 [2022-07-19 18:57:25,422 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-19 18:57:25,434 INFO L225 Difference]: With dead ends: 654 [2022-07-19 18:57:25,434 INFO L226 Difference]: Without dead ends: 327 [2022-07-19 18:57:25,442 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 698 GetRequests, 698 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-07-19 18:57:25,445 INFO L413 NwaCegarLoop]: 557 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, 557 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 [2022-07-19 18:57:25,446 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 557 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-07-19 18:57:25,462 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 327 states. [2022-07-19 18:57:25,569 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 327 to 327. [2022-07-19 18:57:25,571 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 327 states, 93 states have (on average 1.0) internal successors, (93), 93 states have internal predecessors, (93), 232 states have call successors, (232), 1 states have call predecessors, (232), 1 states have return successors, (232), 232 states have call predecessors, (232), 232 states have call successors, (232) [2022-07-19 18:57:25,575 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 327 states to 327 states and 557 transitions. [2022-07-19 18:57:25,577 INFO L78 Accepts]: Start accepts. Automaton has 327 states and 557 transitions. Word has length 1250 [2022-07-19 18:57:25,577 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-19 18:57:25,578 INFO L495 AbstractCegarLoop]: Abstraction has 327 states and 557 transitions. [2022-07-19 18:57:25,578 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 46.5) internal successors, (93), 2 states have internal predecessors, (93), 2 states have call successors, (232), 1 states have call predecessors, (232), 1 states have return successors, (232), 1 states have call predecessors, (232), 2 states have call successors, (232) [2022-07-19 18:57:25,579 INFO L276 IsEmpty]: Start isEmpty. Operand 327 states and 557 transitions. [2022-07-19 18:57:25,626 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1251 [2022-07-19 18:57:25,626 INFO L187 NwaCegarLoop]: Found error trace [2022-07-19 18:57:25,627 INFO L195 NwaCegarLoop]: trace histogram [232, 232, 232, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-19 18:57:25,628 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-07-19 18:57:25,628 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-19 18:57:25,628 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-19 18:57:25,629 INFO L85 PathProgramCache]: Analyzing trace with hash -610790513, now seen corresponding path program 1 times [2022-07-19 18:57:25,629 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-19 18:57:25,629 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [770573264] [2022-07-19 18:57:25,630 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-19 18:57:25,630 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-19 18:57:41,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat