./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 eb692b52 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/xcsp/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-?-eb692b5 [2022-07-19 18:48:05,121 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-19 18:48:05,123 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-19 18:48:05,166 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-19 18:48:05,166 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-19 18:48:05,167 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-19 18:48:05,169 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-19 18:48:05,170 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-19 18:48:05,172 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-19 18:48:05,172 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-19 18:48:05,173 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-19 18:48:05,174 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-19 18:48:05,175 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-19 18:48:05,176 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-19 18:48:05,177 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-19 18:48:05,178 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-19 18:48:05,178 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-19 18:48:05,179 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-19 18:48:05,181 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-19 18:48:05,183 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-19 18:48:05,184 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-19 18:48:05,185 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-19 18:48:05,186 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-19 18:48:05,188 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-19 18:48:05,188 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-19 18:48:05,191 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-19 18:48:05,192 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-19 18:48:05,192 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-19 18:48:05,193 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-19 18:48:05,193 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-19 18:48:05,194 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-19 18:48:05,194 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-19 18:48:05,195 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-19 18:48:05,196 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-19 18:48:05,196 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-19 18:48:05,197 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-19 18:48:05,197 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-19 18:48:05,198 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-19 18:48:05,198 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-19 18:48:05,199 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-19 18:48:05,199 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-19 18:48:05,200 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-19 18:48:05,201 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2022-07-19 18:48:05,220 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-19 18:48:05,220 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-19 18:48:05,221 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-19 18:48:05,221 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-19 18:48:05,222 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-19 18:48:05,222 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-19 18:48:05,223 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-19 18:48:05,223 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-19 18:48:05,224 INFO L138 SettingsManager]: * Use SBE=true [2022-07-19 18:48:05,225 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-19 18:48:05,226 INFO L138 SettingsManager]: * sizeof long=4 [2022-07-19 18:48:05,226 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-07-19 18:48:05,226 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-07-19 18:48:05,227 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-19 18:48:05,227 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-19 18:48:05,227 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-19 18:48:05,227 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-19 18:48:05,227 INFO L138 SettingsManager]: * sizeof long double=12 [2022-07-19 18:48:05,228 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-19 18:48:05,229 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-19 18:48:05,229 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-19 18:48:05,229 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-19 18:48:05,230 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-19 18:48:05,230 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-19 18:48:05,230 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-19 18:48:05,230 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-19 18:48:05,230 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-19 18:48:05,231 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-19 18:48:05,231 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-07-19 18:48:05,231 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-07-19 18:48:05,231 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-19 18:48:05,231 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-19 18:48:05,232 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-19 18:48:05,232 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> bfe1a42da562b3cff2a3558221569a45820196d22b493b00a35c820fb53c2bd2 [2022-07-19 18:48:05,467 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-19 18:48:05,490 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-19 18:48:05,492 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-19 18:48:05,493 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-19 18:48:05,494 INFO L275 PluginConnector]: CDTParser initialized [2022-07-19 18:48:05,495 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/xcsp/AllInterval-010.c [2022-07-19 18:48:05,548 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4fb2fa350/077309e9261745a3b80a928416fc2b68/FLAG50daa393f [2022-07-19 18:48:06,001 INFO L306 CDTParser]: Found 1 translation units. [2022-07-19 18:48:06,016 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/xcsp/AllInterval-010.c [2022-07-19 18:48:06,023 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4fb2fa350/077309e9261745a3b80a928416fc2b68/FLAG50daa393f [2022-07-19 18:48:06,519 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4fb2fa350/077309e9261745a3b80a928416fc2b68 [2022-07-19 18:48:06,527 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-19 18:48:06,529 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-19 18:48:06,529 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-19 18:48:06,529 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-19 18:48:06,531 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-19 18:48:06,532 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.07 06:48:06" (1/1) ... [2022-07-19 18:48:06,533 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1a375d95 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 06:48:06, skipping insertion in model container [2022-07-19 18:48:06,533 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.07 06:48:06" (1/1) ... [2022-07-19 18:48:06,539 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-19 18:48:06,557 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-19 18:48:06,710 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] [2022-07-19 18:48:06,715 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-19 18:48:06,722 INFO L203 MainTranslator]: Completed pre-run [2022-07-19 18:48:06,757 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] [2022-07-19 18:48:06,759 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-19 18:48:06,770 INFO L208 MainTranslator]: Completed translation [2022-07-19 18:48:06,771 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 06:48:06 WrapperNode [2022-07-19 18:48:06,771 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-19 18:48:06,772 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-07-19 18:48:06,772 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-07-19 18:48:06,772 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-07-19 18:48:06,785 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 06:48:06" (1/1) ... [2022-07-19 18:48:06,792 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 06:48:06" (1/1) ... [2022-07-19 18:48:06,843 INFO L137 Inliner]: procedures = 13, calls = 135, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 276 [2022-07-19 18:48:06,846 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-07-19 18:48:06,846 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-07-19 18:48:06,847 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-07-19 18:48:06,847 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-07-19 18:48:06,854 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 06:48:06" (1/1) ... [2022-07-19 18:48:06,854 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 06:48:06" (1/1) ... [2022-07-19 18:48:06,856 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 06:48:06" (1/1) ... [2022-07-19 18:48:06,857 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 06:48:06" (1/1) ... [2022-07-19 18:48:06,862 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 06:48:06" (1/1) ... [2022-07-19 18:48:06,867 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 06:48:06" (1/1) ... [2022-07-19 18:48:06,872 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 06:48:06" (1/1) ... [2022-07-19 18:48:06,875 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-07-19 18:48:06,876 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-07-19 18:48:06,879 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-07-19 18:48:06,880 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-07-19 18:48:06,881 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 06:48:06" (1/1) ... [2022-07-19 18:48:06,890 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-19 18:48:06,902 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-19 18:48:06,916 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-07-19 18:48:06,933 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-07-19 18:48:06,952 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-07-19 18:48:06,953 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-07-19 18:48:06,953 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-07-19 18:48:06,953 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-07-19 18:48:06,953 INFO L130 BoogieDeclarations]: Found specification of procedure assume [2022-07-19 18:48:06,953 INFO L138 BoogieDeclarations]: Found implementation of procedure assume [2022-07-19 18:48:07,033 INFO L234 CfgBuilder]: Building ICFG [2022-07-19 18:48:07,034 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-07-19 18:48:07,344 INFO L275 CfgBuilder]: Performing block encoding [2022-07-19 18:48:07,361 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-07-19 18:48:07,361 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2022-07-19 18:48:07,364 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.07 06:48:07 BoogieIcfgContainer [2022-07-19 18:48:07,364 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-07-19 18:48:07,365 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-07-19 18:48:07,367 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-07-19 18:48:07,370 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-07-19 18:48:07,370 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.07 06:48:06" (1/3) ... [2022-07-19 18:48:07,371 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7119255a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.07 06:48:07, skipping insertion in model container [2022-07-19 18:48:07,371 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 06:48:06" (2/3) ... [2022-07-19 18:48:07,371 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7119255a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.07 06:48:07, skipping insertion in model container [2022-07-19 18:48:07,372 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.07 06:48:07" (3/3) ... [2022-07-19 18:48:07,373 INFO L111 eAbstractionObserver]: Analyzing ICFG AllInterval-010.c [2022-07-19 18:48:07,385 INFO L201 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-07-19 18:48:07,386 INFO L160 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-07-19 18:48:07,458 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-07-19 18:48:07,465 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@1676773d, mLbeIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@61631f9a [2022-07-19 18:48:07,466 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-07-19 18:48:07,472 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) [2022-07-19 18:48:07,539 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 690 [2022-07-19 18:48:07,539 INFO L187 NwaCegarLoop]: Found error trace [2022-07-19 18:48:07,540 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] [2022-07-19 18:48:07,541 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-19 18:48:07,547 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-19 18:48:07,557 INFO L85 PathProgramCache]: Analyzing trace with hash 1825613198, now seen corresponding path program 1 times [2022-07-19 18:48:07,564 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-19 18:48:07,575 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [851355760] [2022-07-19 18:48:07,576 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-19 18:48:07,577 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-19 18:48:07,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 18:48:07,946 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-19 18:48:07,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 18:48:07,955 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-07-19 18:48:07,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 18:48:07,967 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-07-19 18:48:07,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 18:48:07,975 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-19 18:48:07,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 18:48:07,986 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2022-07-19 18:48:07,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 18:48:07,989 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2022-07-19 18:48:07,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 18:48:07,991 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2022-07-19 18:48:07,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 18:48:07,993 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2022-07-19 18:48:07,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 18:48:07,996 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2022-07-19 18:48:07,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 18:48:08,000 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2022-07-19 18:48:08,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 18:48:08,005 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2022-07-19 18:48:08,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 18:48:08,008 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2022-07-19 18:48:08,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 18:48:08,012 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2022-07-19 18:48:08,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 18:48:08,016 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2022-07-19 18:48:08,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 18:48:08,020 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2022-07-19 18:48:08,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 18:48:08,030 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2022-07-19 18:48:08,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 18:48:08,039 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2022-07-19 18:48:08,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 18:48:08,043 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2022-07-19 18:48:08,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 18:48:08,046 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2022-07-19 18:48:08,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 18:48:08,051 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2022-07-19 18:48:08,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 18:48:08,055 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2022-07-19 18:48:08,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 18:48:08,058 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2022-07-19 18:48:08,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 18:48:08,066 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2022-07-19 18:48:08,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 18:48:08,070 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2022-07-19 18:48:08,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 18:48:08,072 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2022-07-19 18:48:08,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 18:48:08,073 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2022-07-19 18:48:08,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 18:48:08,075 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2022-07-19 18:48:08,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 18:48:08,077 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2022-07-19 18:48:08,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 18:48:08,079 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2022-07-19 18:48:08,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 18:48:08,081 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2022-07-19 18:48:08,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 18:48:08,083 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2022-07-19 18:48:08,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 18:48:08,084 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2022-07-19 18:48:08,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 18:48:08,087 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2022-07-19 18:48:08,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 18:48:08,089 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 183 [2022-07-19 18:48:08,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 18:48:08,093 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 189 [2022-07-19 18:48:08,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 18:48:08,097 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2022-07-19 18:48:08,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 18:48:08,099 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2022-07-19 18:48:08,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 18:48:08,105 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2022-07-19 18:48:08,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 18:48:08,109 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 211 [2022-07-19 18:48:08,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 18:48:08,114 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 216 [2022-07-19 18:48:08,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 18:48:08,117 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 221 [2022-07-19 18:48:08,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 18:48:08,129 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2022-07-19 18:48:08,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 18:48:08,139 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 231 [2022-07-19 18:48:08,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 18:48:08,144 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 236 [2022-07-19 18:48:08,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 18:48:08,147 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 241 [2022-07-19 18:48:08,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 18:48:08,152 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 246 [2022-07-19 18:48:08,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 18:48:08,156 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 251 [2022-07-19 18:48:08,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 18:48:08,161 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2022-07-19 18:48:08,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 18:48:08,166 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 261 [2022-07-19 18:48:08,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 18:48:08,168 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 266 [2022-07-19 18:48:08,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 18:48:08,171 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 271 [2022-07-19 18:48:08,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 18:48:08,174 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 276 [2022-07-19 18:48:08,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 18:48:08,177 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 281 [2022-07-19 18:48:08,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 18:48:08,181 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 286 [2022-07-19 18:48:08,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 18:48:08,184 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 291 [2022-07-19 18:48:08,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 18:48:08,185 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 296 [2022-07-19 18:48:08,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 18:48:08,190 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 301 [2022-07-19 18:48:08,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 18:48:08,192 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 306 [2022-07-19 18:48:08,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 18:48:08,194 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 311 [2022-07-19 18:48:08,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 18:48:08,197 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 316 [2022-07-19 18:48:08,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 18:48:08,200 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 321 [2022-07-19 18:48:08,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 18:48:08,202 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 326 [2022-07-19 18:48:08,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 18:48:08,206 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 331 [2022-07-19 18:48:08,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 18:48:08,214 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 336 [2022-07-19 18:48:08,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 18:48:08,217 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 341 [2022-07-19 18:48:08,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 18:48:08,220 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 346 [2022-07-19 18:48:08,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 18:48:08,221 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 351 [2022-07-19 18:48:08,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 18:48:08,230 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 356 [2022-07-19 18:48:08,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 18:48:08,233 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 361 [2022-07-19 18:48:08,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 18:48:08,234 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 366 [2022-07-19 18:48:08,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 18:48:08,237 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 371 [2022-07-19 18:48:08,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 18:48:08,244 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 376 [2022-07-19 18:48:08,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 18:48:08,246 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 381 [2022-07-19 18:48:08,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 18:48:08,249 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 386 [2022-07-19 18:48:08,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 18:48:08,251 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 391 [2022-07-19 18:48:08,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 18:48:08,255 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 396 [2022-07-19 18:48:08,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 18:48:08,257 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 401 [2022-07-19 18:48:08,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 18:48:08,261 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 406 [2022-07-19 18:48:08,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 18:48:08,262 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 411 [2022-07-19 18:48:08,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 18:48:08,264 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 416 [2022-07-19 18:48:08,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 18:48:08,266 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 421 [2022-07-19 18:48:08,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 18:48:08,268 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 426 [2022-07-19 18:48:08,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 18:48:08,270 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 431 [2022-07-19 18:48:08,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 18:48:08,272 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 436 [2022-07-19 18:48:08,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 18:48:08,276 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 441 [2022-07-19 18:48:08,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 18:48:08,282 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 446 [2022-07-19 18:48:08,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 18:48:08,286 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 451 [2022-07-19 18:48:08,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 18:48:08,287 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 456 [2022-07-19 18:48:08,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 18:48:08,289 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 461 [2022-07-19 18:48:08,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 18:48:08,290 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 466 [2022-07-19 18:48:08,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 18:48:08,291 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 471 [2022-07-19 18:48:08,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 18:48:08,292 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 476 [2022-07-19 18:48:08,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 18:48:08,294 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 481 [2022-07-19 18:48:08,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 18:48:08,296 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 486 [2022-07-19 18:48:08,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 18:48:08,297 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 491 [2022-07-19 18:48:08,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 18:48:08,302 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 496 [2022-07-19 18:48:08,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 18:48:08,304 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 501 [2022-07-19 18:48:08,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 18:48:08,306 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 506 [2022-07-19 18:48:08,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 18:48:08,307 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 511 [2022-07-19 18:48:08,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 18:48:08,309 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 516 [2022-07-19 18:48:08,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 18:48:08,310 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 521 [2022-07-19 18:48:08,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 18:48:08,312 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 526 [2022-07-19 18:48:08,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 18:48:08,317 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 531 [2022-07-19 18:48:08,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 18:48:08,318 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 536 [2022-07-19 18:48:08,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 18:48:08,319 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 541 [2022-07-19 18:48:08,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 18:48:08,321 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 546 [2022-07-19 18:48:08,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 18:48:08,323 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 551 [2022-07-19 18:48:08,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 18:48:08,329 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 556 [2022-07-19 18:48:08,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 18:48:08,330 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 561 [2022-07-19 18:48:08,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 18:48:08,332 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 566 [2022-07-19 18:48:08,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 18:48:08,341 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 571 [2022-07-19 18:48:08,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 18:48:08,343 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 576 [2022-07-19 18:48:08,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 18:48:08,346 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 581 [2022-07-19 18:48:08,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 18:48:08,347 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 586 [2022-07-19 18:48:08,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 18:48:08,349 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 591 [2022-07-19 18:48:08,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 18:48:08,352 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 596 [2022-07-19 18:48:08,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 18:48:08,355 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 601 [2022-07-19 18:48:08,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 18:48:08,357 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 606 [2022-07-19 18:48:08,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 18:48:08,359 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 611 [2022-07-19 18:48:08,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 18:48:08,361 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 619 [2022-07-19 18:48:08,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 18:48:08,363 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 627 [2022-07-19 18:48:08,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 18:48:08,365 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 635 [2022-07-19 18:48:08,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 18:48:08,367 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 643 [2022-07-19 18:48:08,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 18:48:08,371 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 651 [2022-07-19 18:48:08,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 18:48:08,376 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 659 [2022-07-19 18:48:08,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 18:48:08,377 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 667 [2022-07-19 18:48:08,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 18:48:08,380 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 675 [2022-07-19 18:48:08,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 18:48:08,391 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 683 [2022-07-19 18:48:08,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 18:48:08,414 INFO L134 CoverageAnalysis]: Checked inductivity of 32512 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 32512 trivial. 0 not checked. [2022-07-19 18:48:08,415 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-19 18:48:08,415 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [851355760] [2022-07-19 18:48:08,416 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [851355760] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-19 18:48:08,416 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-19 18:48:08,417 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-07-19 18:48:08,418 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1648051462] [2022-07-19 18:48:08,418 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-19 18:48:08,426 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-07-19 18:48:08,426 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-19 18:48:08,451 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-07-19 18:48:08,452 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-07-19 18:48:08,455 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) [2022-07-19 18:48:08,533 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-19 18:48:08,533 INFO L93 Difference]: Finished difference Result 364 states and 764 transitions. [2022-07-19 18:48:08,535 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-07-19 18:48:08,537 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 [2022-07-19 18:48:08,538 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-19 18:48:08,550 INFO L225 Difference]: With dead ends: 364 [2022-07-19 18:48:08,550 INFO L226 Difference]: Without dead ends: 182 [2022-07-19 18:48:08,559 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 [2022-07-19 18:48:08,563 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 [2022-07-19 18:48:08,564 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] [2022-07-19 18:48:08,582 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 182 states. [2022-07-19 18:48:08,658 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 182 to 182. [2022-07-19 18:48:08,659 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) [2022-07-19 18:48:08,663 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 182 states to 182 states and 317 transitions. [2022-07-19 18:48:08,665 INFO L78 Accepts]: Start accepts. Automaton has 182 states and 317 transitions. Word has length 689 [2022-07-19 18:48:08,666 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-19 18:48:08,666 INFO L495 AbstractCegarLoop]: Abstraction has 182 states and 317 transitions. [2022-07-19 18:48:08,667 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) [2022-07-19 18:48:08,667 INFO L276 IsEmpty]: Start isEmpty. Operand 182 states and 317 transitions. [2022-07-19 18:48:08,689 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 690 [2022-07-19 18:48:08,690 INFO L187 NwaCegarLoop]: Found error trace [2022-07-19 18:48:08,690 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] [2022-07-19 18:48:08,691 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-07-19 18:48:08,691 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-19 18:48:08,692 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-19 18:48:08,692 INFO L85 PathProgramCache]: Analyzing trace with hash -1167075398, now seen corresponding path program 1 times [2022-07-19 18:48:08,692 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-19 18:48:08,692 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1310047568] [2022-07-19 18:48:08,693 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-19 18:48:08,693 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-19 18:48:09,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 18:48:20,020 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-19 18:48:20,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 18:48:20,025 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-07-19 18:48:20,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 18:48:20,203 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-07-19 18:48:20,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 18:48:20,205 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-19 18:48:20,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 18:48:20,207 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2022-07-19 18:48:20,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 18:48:20,208 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2022-07-19 18:48:20,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 18:48:20,210 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2022-07-19 18:48:20,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 18:48:20,212 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2022-07-19 18:48:20,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 18:48:20,213 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2022-07-19 18:48:20,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 18:48:20,215 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2022-07-19 18:48:20,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 18:48:20,218 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2022-07-19 18:48:20,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 18:48:20,226 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2022-07-19 18:48:20,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 18:48:20,229 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2022-07-19 18:48:20,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 18:48:20,233 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2022-07-19 18:48:20,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 18:48:20,236 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2022-07-19 18:48:20,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 18:48:20,244 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2022-07-19 18:48:20,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 18:48:20,255 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2022-07-19 18:48:20,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 18:48:20,260 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2022-07-19 18:48:20,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 18:48:20,269 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2022-07-19 18:48:20,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 18:48:20,275 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2022-07-19 18:48:20,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 18:48:20,281 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2022-07-19 18:48:20,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 18:48:20,287 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2022-07-19 18:48:20,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 18:48:20,291 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2022-07-19 18:48:20,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 18:48:20,306 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2022-07-19 18:48:20,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 18:48:20,319 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2022-07-19 18:48:20,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 18:48:20,330 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2022-07-19 18:48:20,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 18:48:20,342 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2022-07-19 18:48:20,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 18:48:20,356 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2022-07-19 18:48:20,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 18:48:20,364 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2022-07-19 18:48:20,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 18:48:20,395 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2022-07-19 18:48:20,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 18:48:20,415 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2022-07-19 18:48:20,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 18:48:20,436 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2022-07-19 18:48:20,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 18:48:20,452 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2022-07-19 18:48:20,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 18:48:20,490 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 183 [2022-07-19 18:48:20,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 18:48:20,506 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 189 [2022-07-19 18:48:20,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 18:48:20,523 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2022-07-19 18:48:20,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 18:48:20,540 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2022-07-19 18:48:20,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 18:48:20,562 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2022-07-19 18:48:20,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 18:48:20,576 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 211 [2022-07-19 18:48:20,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 18:48:20,601 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 216 [2022-07-19 18:48:20,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 18:48:20,620 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 221 [2022-07-19 18:48:20,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 18:48:20,637 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2022-07-19 18:48:20,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 18:48:20,654 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 231 [2022-07-19 18:48:20,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 18:48:20,671 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 236 [2022-07-19 18:48:20,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 18:48:20,692 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 241 [2022-07-19 18:48:20,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 18:48:20,713 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 246 [2022-07-19 18:48:20,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 18:48:20,730 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 251 [2022-07-19 18:48:20,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 18:48:20,747 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2022-07-19 18:48:20,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 18:48:20,765 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 261 [2022-07-19 18:48:20,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 18:48:20,784 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 266 [2022-07-19 18:48:20,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 18:48:20,809 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 271 [2022-07-19 18:48:20,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 18:48:20,828 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 276 [2022-07-19 18:48:20,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 18:48:20,846 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 281 [2022-07-19 18:48:20,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 18:48:20,870 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 286 [2022-07-19 18:48:20,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 18:48:20,893 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 291 [2022-07-19 18:48:20,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 18:48:20,909 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 296 [2022-07-19 18:48:20,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 18:48:20,936 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 301 [2022-07-19 18:48:20,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 18:48:20,953 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 306 [2022-07-19 18:48:20,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 18:48:20,970 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 311 [2022-07-19 18:48:20,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 18:48:20,988 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 316 [2022-07-19 18:48:20,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 18:48:21,005 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 321 [2022-07-19 18:48:21,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 18:48:21,041 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 326 [2022-07-19 18:48:21,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 18:48:21,061 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 331 [2022-07-19 18:48:21,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 18:48:21,078 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 336 [2022-07-19 18:48:21,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 18:48:21,094 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 341 [2022-07-19 18:48:21,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 18:48:21,111 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 346 [2022-07-19 18:48:21,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 18:48:21,129 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 351 [2022-07-19 18:48:21,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 18:48:21,147 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 356 [2022-07-19 18:48:21,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 18:48:21,172 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 361 [2022-07-19 18:48:21,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 18:48:21,194 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 366 [2022-07-19 18:48:21,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 18:48:21,211 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 371 [2022-07-19 18:48:21,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 18:48:21,226 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 376 [2022-07-19 18:48:21,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 18:48:21,246 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 381 [2022-07-19 18:48:21,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 18:48:21,261 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 386 [2022-07-19 18:48:21,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 18:48:21,278 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 391 [2022-07-19 18:48:21,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 18:48:21,295 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 396 [2022-07-19 18:48:21,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 18:48:21,317 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 401 [2022-07-19 18:48:21,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 18:48:21,332 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 406 [2022-07-19 18:48:21,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 18:48:21,360 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 411 [2022-07-19 18:48:21,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 18:48:21,376 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 416 [2022-07-19 18:48:21,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 18:48:21,392 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 421 [2022-07-19 18:48:21,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 18:48:21,408 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 426 [2022-07-19 18:48:21,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 18:48:21,430 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 431 [2022-07-19 18:48:21,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 18:48:21,446 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 436 [2022-07-19 18:48:21,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 18:48:21,474 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 441 [2022-07-19 18:48:21,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 18:48:21,490 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 446 [2022-07-19 18:48:21,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 18:48:21,511 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 451 [2022-07-19 18:48:21,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 18:48:21,534 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 456 [2022-07-19 18:48:21,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 18:48:21,555 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 461 [2022-07-19 18:48:21,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 18:48:21,571 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 466 [2022-07-19 18:48:21,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 18:48:21,595 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 471 [2022-07-19 18:48:21,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 18:48:21,635 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 476 [2022-07-19 18:48:21,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 18:48:21,666 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 481 [2022-07-19 18:48:21,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 18:48:21,704 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 486 [2022-07-19 18:48:21,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 18:48:21,727 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 491 [2022-07-19 18:48:21,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 18:48:21,747 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 496 [2022-07-19 18:48:21,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 18:48:21,765 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 501 [2022-07-19 18:48:21,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 18:48:21,783 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 506 [2022-07-19 18:48:21,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 18:48:21,806 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 511 [2022-07-19 18:48:21,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 18:48:21,826 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 516 [2022-07-19 18:48:21,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 18:48:21,846 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 521 [2022-07-19 18:48:21,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 18:48:21,862 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 526 [2022-07-19 18:48:21,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 18:48:21,878 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 531 [2022-07-19 18:48:21,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 18:48:21,897 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 536 [2022-07-19 18:48:21,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 18:48:21,913 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 541 [2022-07-19 18:48:21,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 18:48:21,940 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 546 [2022-07-19 18:48:21,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 18:48:21,956 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 551 [2022-07-19 18:48:21,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 18:48:21,983 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 556 [2022-07-19 18:48:21,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 18:48:21,998 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 561 [2022-07-19 18:48:22,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 18:48:22,013 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 566 [2022-07-19 18:48:22,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 18:48:22,027 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 571 [2022-07-19 18:48:22,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 18:48:22,048 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 576 [2022-07-19 18:48:22,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 18:48:22,065 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 581 [2022-07-19 18:48:22,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 18:48:22,080 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 586 [2022-07-19 18:48:22,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 18:48:22,096 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 591 [2022-07-19 18:48:22,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 18:48:22,113 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 596 [2022-07-19 18:48:22,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 18:48:22,141 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 601 [2022-07-19 18:48:22,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 18:48:22,156 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 606 [2022-07-19 18:48:22,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 18:48:22,174 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 611 [2022-07-19 18:48:22,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 18:48:22,190 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 619 [2022-07-19 18:48:22,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 18:48:22,226 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 627 [2022-07-19 18:48:22,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 18:48:22,240 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 635 [2022-07-19 18:48:22,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 18:48:22,246 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 643 [2022-07-19 18:48:22,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 18:48:22,259 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 651 [2022-07-19 18:48:22,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 18:48:22,274 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 659 [2022-07-19 18:48:22,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 18:48:22,282 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 667 [2022-07-19 18:48:22,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 18:48:22,297 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 675 [2022-07-19 18:48:22,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 18:48:22,300 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 683 [2022-07-19 18:48:22,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 18:48:22,322 INFO L134 CoverageAnalysis]: Checked inductivity of 32512 backedges. 4500 proven. 2745 refuted. 0 times theorem prover too weak. 25267 trivial. 0 not checked. [2022-07-19 18:48:22,322 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-19 18:48:22,323 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1310047568] [2022-07-19 18:48:22,323 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1310047568] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-19 18:48:22,323 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2015127983] [2022-07-19 18:48:22,323 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-19 18:48:22,324 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-19 18:48:22,324 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-19 18:48:22,326 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) [2022-07-19 18:48:22,350 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-07-19 18:48:22,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 18:48:22,619 INFO L263 TraceCheckSpWp]: Trace formula consists of 1319 conjuncts, 132 conjunts are in the unsatisfiable core [2022-07-19 18:48:22,646 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-19 18:48:31,783 INFO L134 CoverageAnalysis]: Checked inductivity of 32512 backedges. 5358 proven. 2514 refuted. 0 times theorem prover too weak. 24640 trivial. 0 not checked. [2022-07-19 18:48:31,784 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-07-19 18:48:58,356 INFO L134 CoverageAnalysis]: Checked inductivity of 32512 backedges. 4377 proven. 2364 refuted. 0 times theorem prover too weak. 25771 trivial. 0 not checked. [2022-07-19 18:48:58,357 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2015127983] provided 0 perfect and 2 imperfect interpolant sequences [2022-07-19 18:48:58,357 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-07-19 18:48:58,358 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [49, 38, 43] total 120 [2022-07-19 18:48:58,359 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1327976055] [2022-07-19 18:48:58,359 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-07-19 18:48:58,363 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 120 states [2022-07-19 18:48:58,363 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-19 18:48:58,364 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 120 interpolants. [2022-07-19 18:48:58,369 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=753, Invalid=13527, Unknown=0, NotChecked=0, Total=14280 [2022-07-19 18:48:58,371 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) [2022-07-19 18:51:58,738 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-19 18:51:58,739 INFO L93 Difference]: Finished difference Result 530 states and 785 transitions. [2022-07-19 18:51:58,743 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 149 states. [2022-07-19 18:51:58,745 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 [2022-07-19 18:51:58,747 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-19 18:51:58,750 INFO L225 Difference]: With dead ends: 530 [2022-07-19 18:51:58,751 INFO L226 Difference]: Without dead ends: 512 [2022-07-19 18:51:58,772 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1851 GetRequests, 1586 SyntacticMatches, 2 SemanticMatches, 263 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13256 ImplicationChecksByTransitivity, 174.1s TimeCoverageRelationStatistics Valid=15884, Invalid=54076, Unknown=0, NotChecked=0, Total=69960 [2022-07-19 18:51:58,774 INFO L413 NwaCegarLoop]: 227 mSDtfsCounter, 2446 mSDsluCounter, 4102 mSDsCounter, 0 mSdLazyCounter, 20197 mSolverCounterSat, 4136 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 17.7s 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, 20.0s IncrementalHoareTripleChecker+Time [2022-07-19 18:51:58,774 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2448 Valid, 4329 Invalid, 24333 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [4136 Valid, 20197 Invalid, 0 Unknown, 0 Unchecked, 20.0s Time] [2022-07-19 18:51:58,776 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 512 states. [2022-07-19 18:51:58,886 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 512 to 202. [2022-07-19 18:51:58,887 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) [2022-07-19 18:51:58,889 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 202 states to 202 states and 346 transitions. [2022-07-19 18:51:58,889 INFO L78 Accepts]: Start accepts. Automaton has 202 states and 346 transitions. Word has length 689 [2022-07-19 18:51:58,891 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-19 18:51:58,891 INFO L495 AbstractCegarLoop]: Abstraction has 202 states and 346 transitions. [2022-07-19 18:51:58,892 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) [2022-07-19 18:51:58,892 INFO L276 IsEmpty]: Start isEmpty. Operand 202 states and 346 transitions. [2022-07-19 18:51:58,905 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 690 [2022-07-19 18:51:58,906 INFO L187 NwaCegarLoop]: Found error trace [2022-07-19 18:51:58,906 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] [2022-07-19 18:51:58,935 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-07-19 18:51:59,131 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 [2022-07-19 18:51:59,132 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-19 18:51:59,132 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-19 18:51:59,133 INFO L85 PathProgramCache]: Analyzing trace with hash -1301088904, now seen corresponding path program 1 times [2022-07-19 18:51:59,133 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-19 18:51:59,133 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1005606856] [2022-07-19 18:51:59,133 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-19 18:51:59,133 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms