./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/xcsp/AllInterval-010.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 6c24879c 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-010.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 bfe1a42da562b3cff2a3558221569a45820196d22b493b00a35c820fb53c2bd2 --- Real Ultimate output --- This is Ultimate 0.2.2-?-6c24879 [2022-07-12 07:44:00,097 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-12 07:44:00,099 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-12 07:44:00,140 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-12 07:44:00,141 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-12 07:44:00,142 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-12 07:44:00,145 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-12 07:44:00,147 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-12 07:44:00,148 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-12 07:44:00,149 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-12 07:44:00,150 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-12 07:44:00,151 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-12 07:44:00,152 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-12 07:44:00,155 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-12 07:44:00,156 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-12 07:44:00,158 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-12 07:44:00,158 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-12 07:44:00,163 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-12 07:44:00,166 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-12 07:44:00,169 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-12 07:44:00,173 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-12 07:44:00,174 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-12 07:44:00,175 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-12 07:44:00,176 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-12 07:44:00,177 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-12 07:44:00,180 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-12 07:44:00,181 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-12 07:44:00,181 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-12 07:44:00,182 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-12 07:44:00,183 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-12 07:44:00,184 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-12 07:44:00,184 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-12 07:44:00,186 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-12 07:44:00,186 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-12 07:44:00,187 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-12 07:44:00,188 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-12 07:44:00,188 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-12 07:44:00,188 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-12 07:44:00,189 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-12 07:44:00,189 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-12 07:44:00,190 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-12 07:44:00,191 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-12 07:44:00,192 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2022-07-12 07:44:00,222 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-12 07:44:00,222 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-12 07:44:00,223 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-12 07:44:00,223 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-12 07:44:00,224 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-12 07:44:00,224 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-12 07:44:00,224 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-12 07:44:00,225 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-12 07:44:00,225 INFO L138 SettingsManager]: * Use SBE=true [2022-07-12 07:44:00,226 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-12 07:44:00,226 INFO L138 SettingsManager]: * sizeof long=4 [2022-07-12 07:44:00,226 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-07-12 07:44:00,226 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-07-12 07:44:00,226 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-12 07:44:00,227 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-12 07:44:00,227 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-12 07:44:00,227 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-12 07:44:00,227 INFO L138 SettingsManager]: * sizeof long double=12 [2022-07-12 07:44:00,227 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-12 07:44:00,228 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-12 07:44:00,229 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-12 07:44:00,229 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-12 07:44:00,229 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-12 07:44:00,229 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-12 07:44:00,229 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-12 07:44:00,230 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-12 07:44:00,230 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-12 07:44:00,230 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-12 07:44:00,230 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-07-12 07:44:00,230 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-07-12 07:44:00,231 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-12 07:44:00,231 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-12 07:44:00,231 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-12 07:44:00,231 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> bfe1a42da562b3cff2a3558221569a45820196d22b493b00a35c820fb53c2bd2 [2022-07-12 07:44:00,473 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-12 07:44:00,495 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-12 07:44:00,497 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-12 07:44:00,498 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-12 07:44:00,499 INFO L275 PluginConnector]: CDTParser initialized [2022-07-12 07:44:00,500 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/xcsp/AllInterval-010.c [2022-07-12 07:44:00,581 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/84ed88b0c/c8bd350c04f24f17af6e9bcdc5741fbb/FLAGfa90b84e6 [2022-07-12 07:44:01,019 INFO L306 CDTParser]: Found 1 translation units. [2022-07-12 07:44:01,020 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/xcsp/AllInterval-010.c [2022-07-12 07:44:01,026 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/84ed88b0c/c8bd350c04f24f17af6e9bcdc5741fbb/FLAGfa90b84e6 [2022-07-12 07:44:01,037 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/84ed88b0c/c8bd350c04f24f17af6e9bcdc5741fbb [2022-07-12 07:44:01,039 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-12 07:44:01,045 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-12 07:44:01,046 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-12 07:44:01,047 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-12 07:44:01,053 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-12 07:44:01,054 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.07 07:44:01" (1/1) ... [2022-07-12 07:44:01,054 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@e09f9bc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 07:44:01, skipping insertion in model container [2022-07-12 07:44:01,055 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.07 07:44:01" (1/1) ... [2022-07-12 07:44:01,061 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-12 07:44:01,090 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-12 07:44:01,325 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-010.c[5778,5791] [2022-07-12 07:44:01,335 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-12 07:44:01,346 INFO L203 MainTranslator]: Completed pre-run [2022-07-12 07:44:01,389 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-010.c[5778,5791] [2022-07-12 07:44:01,404 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-12 07:44:01,414 INFO L208 MainTranslator]: Completed translation [2022-07-12 07:44:01,419 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 07:44:01 WrapperNode [2022-07-12 07:44:01,419 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-12 07:44:01,420 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-07-12 07:44:01,421 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-07-12 07:44:01,421 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-07-12 07:44:01,428 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 07:44:01" (1/1) ... [2022-07-12 07:44:01,446 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 07:44:01" (1/1) ... [2022-07-12 07:44:01,482 INFO L137 Inliner]: procedures = 13, calls = 135, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 276 [2022-07-12 07:44:01,484 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-07-12 07:44:01,485 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-07-12 07:44:01,486 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-07-12 07:44:01,486 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-07-12 07:44:01,494 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 07:44:01" (1/1) ... [2022-07-12 07:44:01,494 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 07:44:01" (1/1) ... [2022-07-12 07:44:01,505 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 07:44:01" (1/1) ... [2022-07-12 07:44:01,506 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 07:44:01" (1/1) ... [2022-07-12 07:44:01,515 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 07:44:01" (1/1) ... [2022-07-12 07:44:01,525 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 07:44:01" (1/1) ... [2022-07-12 07:44:01,527 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 07:44:01" (1/1) ... [2022-07-12 07:44:01,529 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-07-12 07:44:01,532 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-07-12 07:44:01,532 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-07-12 07:44:01,532 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-07-12 07:44:01,533 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 07:44:01" (1/1) ... [2022-07-12 07:44:01,539 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-12 07:44:01,549 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-12 07:44:01,562 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) [2022-07-12 07:44:01,575 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 [2022-07-12 07:44:01,597 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-07-12 07:44:01,598 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-07-12 07:44:01,598 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-07-12 07:44:01,598 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-07-12 07:44:01,598 INFO L130 BoogieDeclarations]: Found specification of procedure assume [2022-07-12 07:44:01,598 INFO L138 BoogieDeclarations]: Found implementation of procedure assume [2022-07-12 07:44:01,654 INFO L234 CfgBuilder]: Building ICFG [2022-07-12 07:44:01,656 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-07-12 07:44:01,912 INFO L275 CfgBuilder]: Performing block encoding [2022-07-12 07:44:01,918 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-07-12 07:44:01,919 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2022-07-12 07:44:01,921 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.07 07:44:01 BoogieIcfgContainer [2022-07-12 07:44:01,921 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-07-12 07:44:01,922 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-07-12 07:44:01,923 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-07-12 07:44:01,925 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-07-12 07:44:01,925 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.07 07:44:01" (1/3) ... [2022-07-12 07:44:01,926 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@38a80a51 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.07 07:44:01, skipping insertion in model container [2022-07-12 07:44:01,926 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 07:44:01" (2/3) ... [2022-07-12 07:44:01,927 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@38a80a51 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.07 07:44:01, skipping insertion in model container [2022-07-12 07:44:01,927 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.07 07:44:01" (3/3) ... [2022-07-12 07:44:01,928 INFO L111 eAbstractionObserver]: Analyzing ICFG AllInterval-010.c [2022-07-12 07:44:01,940 INFO L201 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-07-12 07:44:01,955 INFO L160 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-07-12 07:44:02,025 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-07-12 07:44:02,029 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@33a58346, mLbeIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@64fc066d [2022-07-12 07:44:02,030 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-07-12 07:44:02,033 INFO L276 IsEmpty]: Start isEmpty. Operand has 185 states, 54 states have (on average 1.2037037037037037) internal successors, (65), 55 states have internal predecessors, (65), 128 states have call successors, (128), 1 states have call predecessors, (128), 1 states have return successors, (128), 128 states have call predecessors, (128), 128 states have call successors, (128) [2022-07-12 07:44:02,094 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 690 [2022-07-12 07:44:02,095 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 07:44:02,096 INFO L195 NwaCegarLoop]: trace histogram [128, 128, 128, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-12 07:44:02,097 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-12 07:44:02,105 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 07:44:02,106 INFO L85 PathProgramCache]: Analyzing trace with hash 1825613198, now seen corresponding path program 1 times [2022-07-12 07:44:02,113 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 07:44:02,114 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1421104863] [2022-07-12 07:44:02,114 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 07:44:02,115 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 07:44:02,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 07:44:02,451 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-12 07:44:02,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 07:44:02,457 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-07-12 07:44:02,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 07:44:02,462 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-07-12 07:44:02,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 07:44:02,471 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-12 07:44:02,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 07:44:02,477 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2022-07-12 07:44:02,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 07:44:02,479 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2022-07-12 07:44:02,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 07:44:02,482 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2022-07-12 07:44:02,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 07:44:02,485 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2022-07-12 07:44:02,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 07:44:02,487 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2022-07-12 07:44:02,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 07:44:02,496 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2022-07-12 07:44:02,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 07:44:02,500 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2022-07-12 07:44:02,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 07:44:02,507 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2022-07-12 07:44:02,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 07:44:02,512 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2022-07-12 07:44:02,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 07:44:02,516 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2022-07-12 07:44:02,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 07:44:02,523 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2022-07-12 07:44:02,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 07:44:02,528 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2022-07-12 07:44:02,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 07:44:02,544 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2022-07-12 07:44:02,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 07:44:02,546 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2022-07-12 07:44:02,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 07:44:02,548 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2022-07-12 07:44:02,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 07:44:02,551 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2022-07-12 07:44:02,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 07:44:02,558 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2022-07-12 07:44:02,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 07:44:02,560 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2022-07-12 07:44:02,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 07:44:02,567 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2022-07-12 07:44:02,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 07:44:02,573 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2022-07-12 07:44:02,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 07:44:02,575 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2022-07-12 07:44:02,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 07:44:02,582 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2022-07-12 07:44:02,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 07:44:02,584 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2022-07-12 07:44:02,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 07:44:02,588 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2022-07-12 07:44:02,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 07:44:02,590 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2022-07-12 07:44:02,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 07:44:02,592 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2022-07-12 07:44:02,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 07:44:02,594 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2022-07-12 07:44:02,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 07:44:02,600 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2022-07-12 07:44:02,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 07:44:02,603 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2022-07-12 07:44:02,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 07:44:02,605 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 183 [2022-07-12 07:44:02,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 07:44:02,607 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 189 [2022-07-12 07:44:02,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 07:44:02,609 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2022-07-12 07:44:02,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 07:44:02,611 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2022-07-12 07:44:02,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 07:44:02,613 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2022-07-12 07:44:02,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 07:44:02,618 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 211 [2022-07-12 07:44:02,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 07:44:02,623 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 216 [2022-07-12 07:44:02,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 07:44:02,626 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 221 [2022-07-12 07:44:02,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 07:44:02,634 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2022-07-12 07:44:02,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 07:44:02,636 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 231 [2022-07-12 07:44:02,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 07:44:02,638 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 236 [2022-07-12 07:44:02,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 07:44:02,640 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 241 [2022-07-12 07:44:02,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 07:44:02,642 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 246 [2022-07-12 07:44:02,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 07:44:02,645 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 251 [2022-07-12 07:44:02,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 07:44:02,647 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2022-07-12 07:44:02,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 07:44:02,649 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 261 [2022-07-12 07:44:02,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 07:44:02,651 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 266 [2022-07-12 07:44:02,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 07:44:02,663 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 271 [2022-07-12 07:44:02,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 07:44:02,665 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 276 [2022-07-12 07:44:02,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 07:44:02,666 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 281 [2022-07-12 07:44:02,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 07:44:02,668 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 286 [2022-07-12 07:44:02,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 07:44:02,670 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 291 [2022-07-12 07:44:02,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 07:44:02,672 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 296 [2022-07-12 07:44:02,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 07:44:02,674 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 301 [2022-07-12 07:44:02,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 07:44:02,675 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 306 [2022-07-12 07:44:02,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 07:44:02,677 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 311 [2022-07-12 07:44:02,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 07:44:02,679 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 316 [2022-07-12 07:44:02,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 07:44:02,681 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 321 [2022-07-12 07:44:02,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 07:44:02,682 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 326 [2022-07-12 07:44:02,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 07:44:02,685 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 331 [2022-07-12 07:44:02,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 07:44:02,689 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 336 [2022-07-12 07:44:02,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 07:44:02,693 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 341 [2022-07-12 07:44:02,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 07:44:02,697 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 346 [2022-07-12 07:44:02,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 07:44:02,702 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 351 [2022-07-12 07:44:02,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 07:44:02,706 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 356 [2022-07-12 07:44:02,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 07:44:02,717 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 361 [2022-07-12 07:44:02,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 07:44:02,720 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 366 [2022-07-12 07:44:02,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 07:44:02,724 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 371 [2022-07-12 07:44:02,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 07:44:02,727 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 376 [2022-07-12 07:44:02,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 07:44:02,730 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 381 [2022-07-12 07:44:02,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 07:44:02,733 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 386 [2022-07-12 07:44:02,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 07:44:02,735 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 391 [2022-07-12 07:44:02,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 07:44:02,738 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 396 [2022-07-12 07:44:02,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 07:44:02,741 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 401 [2022-07-12 07:44:02,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 07:44:02,745 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 406 [2022-07-12 07:44:02,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 07:44:02,749 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 411 [2022-07-12 07:44:02,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 07:44:02,751 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 416 [2022-07-12 07:44:02,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 07:44:02,754 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 421 [2022-07-12 07:44:02,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 07:44:02,756 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 426 [2022-07-12 07:44:02,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 07:44:02,759 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 431 [2022-07-12 07:44:02,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 07:44:02,761 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 436 [2022-07-12 07:44:02,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 07:44:02,766 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 441 [2022-07-12 07:44:02,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 07:44:02,773 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 446 [2022-07-12 07:44:02,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 07:44:02,778 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 451 [2022-07-12 07:44:02,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 07:44:02,780 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 456 [2022-07-12 07:44:02,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 07:44:02,785 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 461 [2022-07-12 07:44:02,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 07:44:02,787 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 466 [2022-07-12 07:44:02,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 07:44:02,789 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 471 [2022-07-12 07:44:02,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 07:44:02,791 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 476 [2022-07-12 07:44:02,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 07:44:02,793 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 481 [2022-07-12 07:44:02,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 07:44:02,800 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 486 [2022-07-12 07:44:02,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 07:44:02,803 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 491 [2022-07-12 07:44:02,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 07:44:02,809 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 496 [2022-07-12 07:44:02,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 07:44:02,812 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 501 [2022-07-12 07:44:02,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 07:44:02,814 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 506 [2022-07-12 07:44:02,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 07:44:02,816 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 511 [2022-07-12 07:44:02,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 07:44:02,818 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 516 [2022-07-12 07:44:02,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 07:44:02,820 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 521 [2022-07-12 07:44:02,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 07:44:02,822 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 526 [2022-07-12 07:44:02,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 07:44:02,825 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 531 [2022-07-12 07:44:02,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 07:44:02,828 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 536 [2022-07-12 07:44:02,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 07:44:02,830 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 541 [2022-07-12 07:44:02,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 07:44:02,834 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 546 [2022-07-12 07:44:02,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 07:44:02,837 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 551 [2022-07-12 07:44:02,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 07:44:02,846 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 556 [2022-07-12 07:44:02,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 07:44:02,849 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 561 [2022-07-12 07:44:02,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 07:44:02,851 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 566 [2022-07-12 07:44:02,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 07:44:02,860 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 571 [2022-07-12 07:44:02,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 07:44:02,864 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 576 [2022-07-12 07:44:02,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 07:44:02,866 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 581 [2022-07-12 07:44:02,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 07:44:02,869 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 586 [2022-07-12 07:44:02,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 07:44:02,872 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 591 [2022-07-12 07:44:02,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 07:44:02,875 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 596 [2022-07-12 07:44:02,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 07:44:02,877 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 601 [2022-07-12 07:44:02,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 07:44:02,880 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 606 [2022-07-12 07:44:02,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 07:44:02,882 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 611 [2022-07-12 07:44:02,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 07:44:02,885 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 619 [2022-07-12 07:44:02,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 07:44:02,887 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 627 [2022-07-12 07:44:02,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 07:44:02,889 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 635 [2022-07-12 07:44:02,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 07:44:02,891 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 643 [2022-07-12 07:44:02,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 07:44:02,895 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 651 [2022-07-12 07:44:02,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 07:44:02,900 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 659 [2022-07-12 07:44:02,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 07:44:02,901 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 667 [2022-07-12 07:44:02,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 07:44:02,904 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 675 [2022-07-12 07:44:02,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 07:44:02,915 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 683 [2022-07-12 07:44:02,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 07:44:02,941 INFO L134 CoverageAnalysis]: Checked inductivity of 32512 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 32512 trivial. 0 not checked. [2022-07-12 07:44:02,941 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-12 07:44:02,942 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1421104863] [2022-07-12 07:44:02,942 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1421104863] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 07:44:02,943 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 07:44:02,943 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-07-12 07:44:02,944 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1574471252] [2022-07-12 07:44:02,945 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 07:44:02,953 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-07-12 07:44:02,953 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-12 07:44:02,979 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-07-12 07:44:02,979 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-07-12 07:44:02,982 INFO L87 Difference]: Start difference. First operand has 185 states, 54 states have (on average 1.2037037037037037) internal successors, (65), 55 states have internal predecessors, (65), 128 states have call successors, (128), 1 states have call predecessors, (128), 1 states have return successors, (128), 128 states have call predecessors, (128), 128 states have call successors, (128) Second operand has 2 states, 2 states have (on average 26.0) internal successors, (52), 2 states have internal predecessors, (52), 2 states have call successors, (128), 1 states have call predecessors, (128), 1 states have return successors, (128), 1 states have call predecessors, (128), 2 states have call successors, (128) [2022-07-12 07:44:03,044 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 07:44:03,045 INFO L93 Difference]: Finished difference Result 364 states and 764 transitions. [2022-07-12 07:44:03,046 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-07-12 07:44:03,047 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 26.0) internal successors, (52), 2 states have internal predecessors, (52), 2 states have call successors, (128), 1 states have call predecessors, (128), 1 states have return successors, (128), 1 states have call predecessors, (128), 2 states have call successors, (128) Word has length 689 [2022-07-12 07:44:03,047 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 07:44:03,055 INFO L225 Difference]: With dead ends: 364 [2022-07-12 07:44:03,055 INFO L226 Difference]: Without dead ends: 182 [2022-07-12 07:44:03,062 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 386 GetRequests, 386 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-07-12 07:44:03,068 INFO L413 NwaCegarLoop]: 317 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, 317 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 [2022-07-12 07:44:03,070 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 317 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-07-12 07:44:03,090 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 182 states. [2022-07-12 07:44:03,137 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 182 to 182. [2022-07-12 07:44:03,138 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 182 states, 52 states have (on average 1.1730769230769231) internal successors, (61), 52 states have internal predecessors, (61), 128 states have call successors, (128), 1 states have call predecessors, (128), 1 states have return successors, (128), 128 states have call predecessors, (128), 128 states have call successors, (128) [2022-07-12 07:44:03,141 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 182 states to 182 states and 317 transitions. [2022-07-12 07:44:03,142 INFO L78 Accepts]: Start accepts. Automaton has 182 states and 317 transitions. Word has length 689 [2022-07-12 07:44:03,143 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 07:44:03,143 INFO L495 AbstractCegarLoop]: Abstraction has 182 states and 317 transitions. [2022-07-12 07:44:03,143 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 26.0) internal successors, (52), 2 states have internal predecessors, (52), 2 states have call successors, (128), 1 states have call predecessors, (128), 1 states have return successors, (128), 1 states have call predecessors, (128), 2 states have call successors, (128) [2022-07-12 07:44:03,144 INFO L276 IsEmpty]: Start isEmpty. Operand 182 states and 317 transitions. [2022-07-12 07:44:03,160 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 690 [2022-07-12 07:44:03,160 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 07:44:03,161 INFO L195 NwaCegarLoop]: trace histogram [128, 128, 128, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-12 07:44:03,161 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-07-12 07:44:03,162 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-12 07:44:03,162 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 07:44:03,162 INFO L85 PathProgramCache]: Analyzing trace with hash -1167075398, now seen corresponding path program 1 times [2022-07-12 07:44:03,163 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 07:44:03,163 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2075342457] [2022-07-12 07:44:03,163 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 07:44:03,163 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 07:44:04,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 07:44:14,495 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-12 07:44:14,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 07:44:14,499 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-07-12 07:44:14,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 07:44:14,648 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-07-12 07:44:14,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 07:44:14,651 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-12 07:44:14,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 07:44:14,653 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2022-07-12 07:44:14,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 07:44:14,655 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2022-07-12 07:44:14,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 07:44:14,657 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2022-07-12 07:44:14,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 07:44:14,659 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2022-07-12 07:44:14,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 07:44:14,661 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2022-07-12 07:44:14,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 07:44:14,663 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2022-07-12 07:44:14,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 07:44:14,665 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2022-07-12 07:44:14,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 07:44:14,668 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2022-07-12 07:44:14,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 07:44:14,670 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2022-07-12 07:44:14,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 07:44:14,672 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2022-07-12 07:44:14,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 07:44:14,674 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2022-07-12 07:44:14,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 07:44:14,680 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2022-07-12 07:44:14,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 07:44:14,685 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2022-07-12 07:44:14,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 07:44:14,690 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2022-07-12 07:44:14,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 07:44:14,694 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2022-07-12 07:44:14,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 07:44:14,699 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2022-07-12 07:44:14,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 07:44:14,709 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2022-07-12 07:44:14,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 07:44:14,716 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2022-07-12 07:44:14,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 07:44:14,720 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2022-07-12 07:44:14,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 07:44:14,737 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2022-07-12 07:44:14,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 07:44:14,746 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2022-07-12 07:44:14,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 07:44:14,758 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2022-07-12 07:44:14,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 07:44:14,772 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2022-07-12 07:44:14,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 07:44:14,786 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2022-07-12 07:44:14,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 07:44:14,794 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2022-07-12 07:44:14,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 07:44:14,826 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2022-07-12 07:44:14,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 07:44:14,838 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2022-07-12 07:44:14,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 07:44:14,867 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2022-07-12 07:44:14,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 07:44:14,889 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2022-07-12 07:44:14,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 07:44:14,927 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 183 [2022-07-12 07:44:14,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 07:44:14,944 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 189 [2022-07-12 07:44:14,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 07:44:14,959 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2022-07-12 07:44:14,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 07:44:14,974 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2022-07-12 07:44:14,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 07:44:14,991 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2022-07-12 07:44:14,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 07:44:15,007 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 211 [2022-07-12 07:44:15,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 07:44:15,028 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 216 [2022-07-12 07:44:15,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 07:44:15,050 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 221 [2022-07-12 07:44:15,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 07:44:15,071 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2022-07-12 07:44:15,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 07:44:15,088 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 231 [2022-07-12 07:44:15,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 07:44:15,105 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 236 [2022-07-12 07:44:15,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 07:44:15,126 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 241 [2022-07-12 07:44:15,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 07:44:15,144 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 246 [2022-07-12 07:44:15,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 07:44:15,161 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 251 [2022-07-12 07:44:15,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 07:44:15,187 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2022-07-12 07:44:15,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 07:44:15,205 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 261 [2022-07-12 07:44:15,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 07:44:15,225 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 266 [2022-07-12 07:44:15,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 07:44:15,245 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 271 [2022-07-12 07:44:15,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 07:44:15,262 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 276 [2022-07-12 07:44:15,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 07:44:15,278 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 281 [2022-07-12 07:44:15,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 07:44:15,296 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 286 [2022-07-12 07:44:15,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 07:44:15,324 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 291 [2022-07-12 07:44:15,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 07:44:15,344 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 296 [2022-07-12 07:44:15,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 07:44:15,372 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 301 [2022-07-12 07:44:15,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 07:44:15,387 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 306 [2022-07-12 07:44:15,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 07:44:15,409 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 311 [2022-07-12 07:44:15,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 07:44:15,425 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 316 [2022-07-12 07:44:15,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 07:44:15,441 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 321 [2022-07-12 07:44:15,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 07:44:15,458 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 326 [2022-07-12 07:44:15,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 07:44:15,479 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 331 [2022-07-12 07:44:15,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 07:44:15,496 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 336 [2022-07-12 07:44:15,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 07:44:15,517 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 341 [2022-07-12 07:44:15,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 07:44:15,533 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 346 [2022-07-12 07:44:15,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 07:44:15,555 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 351 [2022-07-12 07:44:15,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 07:44:15,572 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 356 [2022-07-12 07:44:15,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 07:44:15,589 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 361 [2022-07-12 07:44:15,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 07:44:15,617 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 366 [2022-07-12 07:44:15,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 07:44:15,634 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 371 [2022-07-12 07:44:15,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 07:44:15,650 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 376 [2022-07-12 07:44:15,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 07:44:15,673 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 381 [2022-07-12 07:44:15,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 07:44:15,689 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 386 [2022-07-12 07:44:15,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 07:44:15,704 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 391 [2022-07-12 07:44:15,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 07:44:15,721 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 396 [2022-07-12 07:44:15,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 07:44:15,736 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 401 [2022-07-12 07:44:15,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 07:44:15,752 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 406 [2022-07-12 07:44:15,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 07:44:15,778 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 411 [2022-07-12 07:44:15,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 07:44:15,802 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 416 [2022-07-12 07:44:15,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 07:44:15,817 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 421 [2022-07-12 07:44:15,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 07:44:15,833 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 426 [2022-07-12 07:44:15,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 07:44:15,848 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 431 [2022-07-12 07:44:15,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 07:44:15,864 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 436 [2022-07-12 07:44:15,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 07:44:15,884 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 441 [2022-07-12 07:44:15,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 07:44:15,900 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 446 [2022-07-12 07:44:15,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 07:44:15,929 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 451 [2022-07-12 07:44:15,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 07:44:15,949 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 456 [2022-07-12 07:44:15,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 07:44:15,973 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 461 [2022-07-12 07:44:15,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 07:44:15,988 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 466 [2022-07-12 07:44:15,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 07:44:16,003 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 471 [2022-07-12 07:44:16,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 07:44:16,032 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 476 [2022-07-12 07:44:16,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 07:44:16,057 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 481 [2022-07-12 07:44:16,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 07:44:16,085 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 486 [2022-07-12 07:44:16,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 07:44:16,110 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 491 [2022-07-12 07:44:16,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 07:44:16,131 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 496 [2022-07-12 07:44:16,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 07:44:16,150 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 501 [2022-07-12 07:44:16,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 07:44:16,164 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 506 [2022-07-12 07:44:16,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 07:44:16,180 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 511 [2022-07-12 07:44:16,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 07:44:16,195 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 516 [2022-07-12 07:44:16,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 07:44:16,214 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 521 [2022-07-12 07:44:16,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 07:44:16,232 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 526 [2022-07-12 07:44:16,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 07:44:16,246 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 531 [2022-07-12 07:44:16,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 07:44:16,261 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 536 [2022-07-12 07:44:16,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 07:44:16,276 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 541 [2022-07-12 07:44:16,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 07:44:16,302 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 546 [2022-07-12 07:44:16,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 07:44:16,316 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 551 [2022-07-12 07:44:16,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 07:44:16,332 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 556 [2022-07-12 07:44:16,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 07:44:16,350 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 561 [2022-07-12 07:44:16,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 07:44:16,364 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 566 [2022-07-12 07:44:16,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 07:44:16,378 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 571 [2022-07-12 07:44:16,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 07:44:16,398 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 576 [2022-07-12 07:44:16,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 07:44:16,414 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 581 [2022-07-12 07:44:16,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 07:44:16,427 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 586 [2022-07-12 07:44:16,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 07:44:16,441 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 591 [2022-07-12 07:44:16,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 07:44:16,464 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 596 [2022-07-12 07:44:16,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 07:44:16,483 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 601 [2022-07-12 07:44:16,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 07:44:16,501 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 606 [2022-07-12 07:44:16,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 07:44:16,517 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 611 [2022-07-12 07:44:16,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 07:44:16,533 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 619 [2022-07-12 07:44:16,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 07:44:16,567 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 627 [2022-07-12 07:44:16,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 07:44:16,582 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 635 [2022-07-12 07:44:16,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 07:44:16,587 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 643 [2022-07-12 07:44:16,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 07:44:16,599 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 651 [2022-07-12 07:44:16,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 07:44:16,613 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 659 [2022-07-12 07:44:16,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 07:44:16,621 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 667 [2022-07-12 07:44:16,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 07:44:16,636 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 675 [2022-07-12 07:44:16,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 07:44:16,639 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 683 [2022-07-12 07:44:16,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 07:44:16,662 INFO L134 CoverageAnalysis]: Checked inductivity of 32512 backedges. 4500 proven. 2745 refuted. 0 times theorem prover too weak. 25267 trivial. 0 not checked. [2022-07-12 07:44:16,662 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-12 07:44:16,663 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2075342457] [2022-07-12 07:44:16,663 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2075342457] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-12 07:44:16,663 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [486333951] [2022-07-12 07:44:16,664 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 07:44:16,664 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-12 07:44:16,664 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-12 07:44:16,671 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) [2022-07-12 07:44:16,691 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-07-12 07:44:16,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 07:44:16,956 INFO L263 TraceCheckSpWp]: Trace formula consists of 1319 conjuncts, 132 conjunts are in the unsatisfiable core [2022-07-12 07:44:16,992 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-12 07:44:25,633 INFO L134 CoverageAnalysis]: Checked inductivity of 32512 backedges. 5358 proven. 2514 refuted. 0 times theorem prover too weak. 24640 trivial. 0 not checked. [2022-07-12 07:44:25,634 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-07-12 07:44:48,356 INFO L134 CoverageAnalysis]: Checked inductivity of 32512 backedges. 4377 proven. 2364 refuted. 0 times theorem prover too weak. 25771 trivial. 0 not checked. [2022-07-12 07:44:48,357 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [486333951] provided 0 perfect and 2 imperfect interpolant sequences [2022-07-12 07:44:48,357 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-07-12 07:44:48,358 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [49, 38, 43] total 120 [2022-07-12 07:44:48,359 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1907958146] [2022-07-12 07:44:48,359 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-07-12 07:44:48,363 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 120 states [2022-07-12 07:44:48,364 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-12 07:44:48,364 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 120 interpolants. [2022-07-12 07:44:48,370 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=753, Invalid=13527, Unknown=0, NotChecked=0, Total=14280 [2022-07-12 07:44:48,372 INFO L87 Difference]: Start difference. First operand 182 states and 317 transitions. Second operand has 120 states, 84 states have (on average 1.5952380952380953) internal successors, (134), 77 states have internal predecessors, (134), 74 states have call successors, (367), 2 states have call predecessors, (367), 3 states have return successors, (369), 69 states have call predecessors, (369), 74 states have call successors, (369) [2022-07-12 07:47:51,474 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 07:47:51,475 INFO L93 Difference]: Finished difference Result 530 states and 785 transitions. [2022-07-12 07:47:51,476 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 149 states. [2022-07-12 07:47:51,477 INFO L78 Accepts]: Start accepts. Automaton has has 120 states, 84 states have (on average 1.5952380952380953) internal successors, (134), 77 states have internal predecessors, (134), 74 states have call successors, (367), 2 states have call predecessors, (367), 3 states have return successors, (369), 69 states have call predecessors, (369), 74 states have call successors, (369) Word has length 689 [2022-07-12 07:47:51,479 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 07:47:51,484 INFO L225 Difference]: With dead ends: 530 [2022-07-12 07:47:51,484 INFO L226 Difference]: Without dead ends: 512 [2022-07-12 07:47:51,498 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1851 GetRequests, 1586 SyntacticMatches, 2 SemanticMatches, 263 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13256 ImplicationChecksByTransitivity, 176.5s TimeCoverageRelationStatistics Valid=15884, Invalid=54076, Unknown=0, NotChecked=0, Total=69960 [2022-07-12 07:47:51,499 INFO L413 NwaCegarLoop]: 227 mSDtfsCounter, 2446 mSDsluCounter, 4102 mSDsCounter, 0 mSdLazyCounter, 20197 mSolverCounterSat, 4136 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 18.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2448 SdHoareTripleChecker+Valid, 4329 SdHoareTripleChecker+Invalid, 24333 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 4136 IncrementalHoareTripleChecker+Valid, 20197 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 20.8s IncrementalHoareTripleChecker+Time [2022-07-12 07:47:51,500 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2448 Valid, 4329 Invalid, 24333 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [4136 Valid, 20197 Invalid, 0 Unknown, 0 Unchecked, 20.8s Time] [2022-07-12 07:47:51,502 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 512 states. [2022-07-12 07:47:51,607 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 512 to 202. [2022-07-12 07:47:51,608 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 202 states, 67 states have (on average 1.1940298507462686) internal successors, (80), 67 states have internal predecessors, (80), 133 states have call successors, (133), 1 states have call predecessors, (133), 1 states have return successors, (133), 133 states have call predecessors, (133), 133 states have call successors, (133) [2022-07-12 07:47:51,610 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 202 states to 202 states and 346 transitions. [2022-07-12 07:47:51,610 INFO L78 Accepts]: Start accepts. Automaton has 202 states and 346 transitions. Word has length 689 [2022-07-12 07:47:51,616 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 07:47:51,617 INFO L495 AbstractCegarLoop]: Abstraction has 202 states and 346 transitions. [2022-07-12 07:47:51,618 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 120 states, 84 states have (on average 1.5952380952380953) internal successors, (134), 77 states have internal predecessors, (134), 74 states have call successors, (367), 2 states have call predecessors, (367), 3 states have return successors, (369), 69 states have call predecessors, (369), 74 states have call successors, (369) [2022-07-12 07:47:51,619 INFO L276 IsEmpty]: Start isEmpty. Operand 202 states and 346 transitions. [2022-07-12 07:47:51,634 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 690 [2022-07-12 07:47:51,635 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 07:47:51,635 INFO L195 NwaCegarLoop]: trace histogram [128, 128, 128, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-12 07:47:51,664 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2022-07-12 07:47:51,859 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-12 07:47:51,860 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-12 07:47:51,861 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 07:47:51,861 INFO L85 PathProgramCache]: Analyzing trace with hash -1301088904, now seen corresponding path program 1 times [2022-07-12 07:47:51,861 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 07:47:51,861 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [25394125] [2022-07-12 07:47:51,861 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 07:47:51,861 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 07:47:52,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat