./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-usb-dev_drivers-net-ethernet-sun-sunhme.cil.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version e19ca921 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/ldv-linux-3.14/linux-3.14_complex_emg_linux-usb-dev_drivers-net-ethernet-sun-sunhme.cil.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-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 64bit --witnessprinter.graph.data.programhash 536967bc2d119b5b01611d52124221c0068f635deed7f674213322a832d07143 --- Real Ultimate output --- This is Ultimate 0.2.2-dev-e19ca92 [2021-12-22 15:35:58,215 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-22 15:35:58,216 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-22 15:35:58,262 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-22 15:35:58,262 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-22 15:35:58,272 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-22 15:35:58,273 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-22 15:35:58,283 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-22 15:35:58,285 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-22 15:35:58,289 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-22 15:35:58,290 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-22 15:35:58,291 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-22 15:35:58,291 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-22 15:35:58,294 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-22 15:35:58,295 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-22 15:35:58,297 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-22 15:35:58,298 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-22 15:35:58,299 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-22 15:35:58,301 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-22 15:35:58,306 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-22 15:35:58,307 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-22 15:35:58,308 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-22 15:35:58,309 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-22 15:35:58,310 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-22 15:35:58,316 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-22 15:35:58,316 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-22 15:35:58,316 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-22 15:35:58,318 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-22 15:35:58,318 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-22 15:35:58,319 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-22 15:35:58,319 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-22 15:35:58,320 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-22 15:35:58,321 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-22 15:35:58,322 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-22 15:35:58,323 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-22 15:35:58,323 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-22 15:35:58,324 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-22 15:35:58,324 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-22 15:35:58,324 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-22 15:35:58,325 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-22 15:35:58,326 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-22 15:35:58,327 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2021-12-22 15:35:58,359 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-22 15:35:58,361 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-22 15:35:58,362 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-22 15:35:58,362 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-22 15:35:58,363 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-22 15:35:58,363 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-22 15:35:58,363 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-22 15:35:58,363 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-22 15:35:58,364 INFO L138 SettingsManager]: * Use SBE=true [2021-12-22 15:35:58,364 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-22 15:35:58,365 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-22 15:35:58,365 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-22 15:35:58,365 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-22 15:35:58,365 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-22 15:35:58,365 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-22 15:35:58,365 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-22 15:35:58,366 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-22 15:35:58,366 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-22 15:35:58,366 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-22 15:35:58,366 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-22 15:35:58,366 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-22 15:35:58,366 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-22 15:35:58,367 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-22 15:35:58,367 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-22 15:35:58,367 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-22 15:35:58,367 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-22 15:35:58,367 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-22 15:35:58,367 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-22 15:35:58,368 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-22 15:35:58,368 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-22 15:35:58,368 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-22 15:35:58,368 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 536967bc2d119b5b01611d52124221c0068f635deed7f674213322a832d07143 [2021-12-22 15:35:58,590 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-22 15:35:58,610 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-22 15:35:58,612 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-22 15:35:58,613 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-22 15:35:58,614 INFO L275 PluginConnector]: CDTParser initialized [2021-12-22 15:35:58,615 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-usb-dev_drivers-net-ethernet-sun-sunhme.cil.i [2021-12-22 15:35:58,673 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1638481b6/cf2a1589a11e4d9484d3e3b409e90962/FLAG147919b9b [2021-12-22 15:35:59,391 INFO L306 CDTParser]: Found 1 translation units. [2021-12-22 15:35:59,392 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-usb-dev_drivers-net-ethernet-sun-sunhme.cil.i [2021-12-22 15:35:59,440 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1638481b6/cf2a1589a11e4d9484d3e3b409e90962/FLAG147919b9b [2021-12-22 15:35:59,459 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1638481b6/cf2a1589a11e4d9484d3e3b409e90962 [2021-12-22 15:35:59,463 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-22 15:35:59,465 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-22 15:35:59,467 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-22 15:35:59,467 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-22 15:35:59,471 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-22 15:35:59,472 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.12 03:35:59" (1/1) ... [2021-12-22 15:35:59,474 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2407657e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 03:35:59, skipping insertion in model container [2021-12-22 15:35:59,474 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.12 03:35:59" (1/1) ... [2021-12-22 15:35:59,480 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-22 15:35:59,618 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-22 15:36:01,603 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/ldv-linux-3.14/linux-3.14_complex_emg_linux-usb-dev_drivers-net-ethernet-sun-sunhme.cil.i[314317,314330] [2021-12-22 15:36:01,606 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/ldv-linux-3.14/linux-3.14_complex_emg_linux-usb-dev_drivers-net-ethernet-sun-sunhme.cil.i[314464,314477] [2021-12-22 15:36:01,607 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/ldv-linux-3.14/linux-3.14_complex_emg_linux-usb-dev_drivers-net-ethernet-sun-sunhme.cil.i[314603,314616] [2021-12-22 15:36:01,607 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/ldv-linux-3.14/linux-3.14_complex_emg_linux-usb-dev_drivers-net-ethernet-sun-sunhme.cil.i[314761,314774] [2021-12-22 15:36:01,639 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-22 15:36:01,691 INFO L203 MainTranslator]: Completed pre-run [2021-12-22 15:36:02,020 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/ldv-linux-3.14/linux-3.14_complex_emg_linux-usb-dev_drivers-net-ethernet-sun-sunhme.cil.i[314317,314330] [2021-12-22 15:36:02,021 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/ldv-linux-3.14/linux-3.14_complex_emg_linux-usb-dev_drivers-net-ethernet-sun-sunhme.cil.i[314464,314477] [2021-12-22 15:36:02,021 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/ldv-linux-3.14/linux-3.14_complex_emg_linux-usb-dev_drivers-net-ethernet-sun-sunhme.cil.i[314603,314616] [2021-12-22 15:36:02,022 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/ldv-linux-3.14/linux-3.14_complex_emg_linux-usb-dev_drivers-net-ethernet-sun-sunhme.cil.i[314761,314774] [2021-12-22 15:36:02,029 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-22 15:36:02,148 INFO L208 MainTranslator]: Completed translation [2021-12-22 15:36:02,149 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 03:36:02 WrapperNode [2021-12-22 15:36:02,149 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-22 15:36:02,150 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-22 15:36:02,150 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-22 15:36:02,150 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-22 15:36:02,156 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 03:36:02" (1/1) ... [2021-12-22 15:36:02,245 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 03:36:02" (1/1) ... [2021-12-22 15:36:02,428 INFO L137 Inliner]: procedures = 352, calls = 1911, calls flagged for inlining = 207, calls inlined = 201, statements flattened = 4930 [2021-12-22 15:36:02,429 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-22 15:36:02,429 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-22 15:36:02,430 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-22 15:36:02,430 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-22 15:36:02,437 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 03:36:02" (1/1) ... [2021-12-22 15:36:02,438 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 03:36:02" (1/1) ... [2021-12-22 15:36:02,464 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 03:36:02" (1/1) ... [2021-12-22 15:36:02,465 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 03:36:02" (1/1) ... [2021-12-22 15:36:02,592 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 03:36:02" (1/1) ... [2021-12-22 15:36:02,618 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 03:36:02" (1/1) ... [2021-12-22 15:36:02,652 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 03:36:02" (1/1) ... [2021-12-22 15:36:02,690 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-22 15:36:02,691 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-22 15:36:02,691 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-22 15:36:02,693 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-22 15:36:02,694 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 03:36:02" (1/1) ... [2021-12-22 15:36:02,701 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-22 15:36:02,713 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-22 15:36:02,725 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-12-22 15:36:02,749 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-12-22 15:36:02,770 INFO L130 BoogieDeclarations]: Found specification of procedure hme_read_desc32 [2021-12-22 15:36:02,770 INFO L138 BoogieDeclarations]: Found implementation of procedure hme_read_desc32 [2021-12-22 15:36:02,771 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy [2021-12-22 15:36:02,771 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy [2021-12-22 15:36:02,771 INFO L130 BoogieDeclarations]: Found specification of procedure strncmp [2021-12-22 15:36:02,771 INFO L130 BoogieDeclarations]: Found specification of procedure BB_GET_BIT2 [2021-12-22 15:36:02,771 INFO L138 BoogieDeclarations]: Found implementation of procedure BB_GET_BIT2 [2021-12-22 15:36:02,771 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-12-22 15:36:02,772 INFO L130 BoogieDeclarations]: Found specification of procedure happy_meal_clean_rings [2021-12-22 15:36:02,772 INFO L138 BoogieDeclarations]: Found implementation of procedure happy_meal_clean_rings [2021-12-22 15:36:02,772 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_skb [2021-12-22 15:36:02,772 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_skb [2021-12-22 15:36:02,773 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-12-22 15:36:02,773 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2021-12-22 15:36:02,773 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2021-12-22 15:36:02,773 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_regions [2021-12-22 15:36:02,773 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_regions [2021-12-22 15:36:02,773 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2021-12-22 15:36:02,773 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2021-12-22 15:36:02,774 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~X~int~X~$Pointer$~TO~~dma_addr_t~0 [2021-12-22 15:36:02,774 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~X~int~X~$Pointer$~TO~~dma_addr_t~0 [2021-12-22 15:36:02,774 INFO L130 BoogieDeclarations]: Found specification of procedure happy_meal_open [2021-12-22 15:36:02,775 INFO L138 BoogieDeclarations]: Found implementation of procedure happy_meal_open [2021-12-22 15:36:02,775 INFO L130 BoogieDeclarations]: Found specification of procedure happy_meal_poll_stop [2021-12-22 15:36:02,775 INFO L138 BoogieDeclarations]: Found implementation of procedure happy_meal_poll_stop [2021-12-22 15:36:02,776 INFO L130 BoogieDeclarations]: Found specification of procedure is_quattro_p [2021-12-22 15:36:02,776 INFO L138 BoogieDeclarations]: Found implementation of procedure is_quattro_p [2021-12-22 15:36:02,776 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2021-12-22 15:36:02,776 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2021-12-22 15:36:02,776 INFO L130 BoogieDeclarations]: Found specification of procedure happy_meal_close [2021-12-22 15:36:02,776 INFO L138 BoogieDeclarations]: Found implementation of procedure happy_meal_close [2021-12-22 15:36:02,777 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-12-22 15:36:02,777 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-12-22 15:36:02,777 INFO L130 BoogieDeclarations]: Found specification of procedure kmemcheck_mark_initialized [2021-12-22 15:36:02,777 INFO L138 BoogieDeclarations]: Found implementation of procedure kmemcheck_mark_initialized [2021-12-22 15:36:02,777 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_process_context [2021-12-22 15:36:02,778 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_process_context [2021-12-22 15:36:02,778 INFO L130 BoogieDeclarations]: Found specification of procedure free_irq [2021-12-22 15:36:02,778 INFO L138 BoogieDeclarations]: Found implementation of procedure free_irq [2021-12-22 15:36:02,778 INFO L130 BoogieDeclarations]: Found specification of procedure happy_meal_set_multicast [2021-12-22 15:36:02,778 INFO L138 BoogieDeclarations]: Found implementation of procedure happy_meal_set_multicast [2021-12-22 15:36:02,778 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2021-12-22 15:36:02,778 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2021-12-22 15:36:02,779 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_EMGentry_exit_happy_meal_exit_14_2 [2021-12-22 15:36:02,779 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_EMGentry_exit_happy_meal_exit_14_2 [2021-12-22 15:36:02,779 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-12-22 15:36:02,779 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-12-22 15:36:02,779 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2021-12-22 15:36:02,780 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2021-12-22 15:36:02,780 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer [2021-12-22 15:36:02,780 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer [2021-12-22 15:36:02,781 INFO L130 BoogieDeclarations]: Found specification of procedure BB_PUT_BIT [2021-12-22 15:36:02,781 INFO L138 BoogieDeclarations]: Found implementation of procedure BB_PUT_BIT [2021-12-22 15:36:02,782 INFO L130 BoogieDeclarations]: Found specification of procedure crc32_le [2021-12-22 15:36:02,782 INFO L138 BoogieDeclarations]: Found implementation of procedure crc32_le [2021-12-22 15:36:02,782 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_unmap_page [2021-12-22 15:36:02,782 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_unmap_page [2021-12-22 15:36:02,782 INFO L130 BoogieDeclarations]: Found specification of procedure happy_meal_begin_auto_negotiation [2021-12-22 15:36:02,783 INFO L138 BoogieDeclarations]: Found implementation of procedure happy_meal_begin_auto_negotiation [2021-12-22 15:36:02,783 INFO L130 BoogieDeclarations]: Found specification of procedure happy_meal_get_counters [2021-12-22 15:36:02,783 INFO L138 BoogieDeclarations]: Found implementation of procedure happy_meal_get_counters [2021-12-22 15:36:02,783 INFO L130 BoogieDeclarations]: Found specification of procedure dma_unmap_single_attrs [2021-12-22 15:36:02,783 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_unmap_single_attrs [2021-12-22 15:36:02,783 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-12-22 15:36:02,784 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-12-22 15:36:02,784 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2021-12-22 15:36:02,784 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2021-12-22 15:36:02,784 INFO L130 BoogieDeclarations]: Found specification of procedure add_timer [2021-12-22 15:36:02,785 INFO L138 BoogieDeclarations]: Found implementation of procedure add_timer [2021-12-22 15:36:02,785 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2021-12-22 15:36:02,785 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2021-12-22 15:36:02,785 INFO L130 BoogieDeclarations]: Found specification of procedure skb_end_pointer [2021-12-22 15:36:02,785 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_end_pointer [2021-12-22 15:36:02,785 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_del_timer [2021-12-22 15:36:02,786 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_del_timer [2021-12-22 15:36:02,786 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2021-12-22 15:36:02,786 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2021-12-22 15:36:02,786 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2021-12-22 15:36:02,786 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2021-12-22 15:36:02,786 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-12-22 15:36:02,786 INFO L130 BoogieDeclarations]: Found specification of procedure iounmap [2021-12-22 15:36:02,787 INFO L138 BoogieDeclarations]: Found implementation of procedure iounmap [2021-12-22 15:36:02,787 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-12-22 15:36:02,787 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~structbegin~int~structend~~TO~int [2021-12-22 15:36:02,787 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~structbegin~int~structend~~TO~int [2021-12-22 15:36:02,787 INFO L130 BoogieDeclarations]: Found specification of procedure happy_meal_stop [2021-12-22 15:36:02,788 INFO L138 BoogieDeclarations]: Found implementation of procedure happy_meal_stop [2021-12-22 15:36:02,788 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2021-12-22 15:36:02,788 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2021-12-22 15:36:02,788 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2021-12-22 15:36:02,789 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2021-12-22 15:36:02,789 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2021-12-22 15:36:02,789 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2021-12-22 15:36:02,789 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_irq [2021-12-22 15:36:02,789 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_irq [2021-12-22 15:36:02,790 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2021-12-22 15:36:02,790 INFO L130 BoogieDeclarations]: Found specification of procedure happy_meal_pci_remove [2021-12-22 15:36:02,790 INFO L138 BoogieDeclarations]: Found implementation of procedure happy_meal_pci_remove [2021-12-22 15:36:02,790 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2021-12-22 15:36:02,790 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2021-12-22 15:36:02,790 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2021-12-22 15:36:02,791 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2021-12-22 15:36:02,791 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2021-12-22 15:36:02,791 INFO L130 BoogieDeclarations]: Found specification of procedure happy_meal_init [2021-12-22 15:36:02,791 INFO L138 BoogieDeclarations]: Found implementation of procedure happy_meal_init [2021-12-22 15:36:02,791 INFO L130 BoogieDeclarations]: Found specification of procedure skb_reserve [2021-12-22 15:36:02,791 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_reserve [2021-12-22 15:36:02,792 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-12-22 15:36:02,792 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2021-12-22 15:36:02,792 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2021-12-22 15:36:02,792 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2021-12-22 15:36:02,793 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2021-12-22 15:36:02,793 INFO L130 BoogieDeclarations]: Found specification of procedure happy_meal_tcvr_write [2021-12-22 15:36:02,795 INFO L138 BoogieDeclarations]: Found implementation of procedure happy_meal_tcvr_write [2021-12-22 15:36:02,796 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_interrupt_context [2021-12-22 15:36:02,796 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_interrupt_context [2021-12-22 15:36:02,796 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2021-12-22 15:36:02,797 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2021-12-22 15:36:02,797 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2021-12-22 15:36:02,798 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2021-12-22 15:36:02,798 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-12-22 15:36:02,798 INFO L130 BoogieDeclarations]: Found specification of procedure set_happy_link_modes [2021-12-22 15:36:02,804 INFO L138 BoogieDeclarations]: Found implementation of procedure set_happy_link_modes [2021-12-22 15:36:02,804 INFO L130 BoogieDeclarations]: Found specification of procedure happy_meal_tcvr_reset [2021-12-22 15:36:02,804 INFO L138 BoogieDeclarations]: Found implementation of procedure happy_meal_tcvr_reset [2021-12-22 15:36:02,804 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irq [2021-12-22 15:36:02,804 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irq [2021-12-22 15:36:02,805 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2021-12-22 15:36:02,805 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2021-12-22 15:36:02,805 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-12-22 15:36:02,805 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_1 [2021-12-22 15:36:02,805 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_1 [2021-12-22 15:36:02,805 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_0 [2021-12-22 15:36:02,805 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_0 [2021-12-22 15:36:02,806 INFO L130 BoogieDeclarations]: Found specification of procedure happy_meal_tx_timeout [2021-12-22 15:36:02,806 INFO L138 BoogieDeclarations]: Found implementation of procedure happy_meal_tx_timeout [2021-12-22 15:36:02,806 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_any [2021-12-22 15:36:02,806 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_any [2021-12-22 15:36:02,806 INFO L130 BoogieDeclarations]: Found specification of procedure dma_map_single_attrs [2021-12-22 15:36:02,806 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_map_single_attrs [2021-12-22 15:36:02,806 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-22 15:36:02,806 INFO L130 BoogieDeclarations]: Found specification of procedure happy_meal_tcvr_read [2021-12-22 15:36:02,807 INFO L138 BoogieDeclarations]: Found implementation of procedure happy_meal_tcvr_read [2021-12-22 15:36:02,807 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2021-12-22 15:36:02,807 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2021-12-22 15:36:02,807 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2021-12-22 15:36:02,807 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2021-12-22 15:36:02,807 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-12-22 15:36:02,807 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2021-12-22 15:36:02,808 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2021-12-22 15:36:02,808 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_irq [2021-12-22 15:36:02,808 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_irq [2021-12-22 15:36:02,808 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2021-12-22 15:36:02,808 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2021-12-22 15:36:02,808 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~TO~VOID [2021-12-22 15:36:02,808 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~TO~VOID [2021-12-22 15:36:02,809 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2021-12-22 15:36:02,809 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2021-12-22 15:36:02,809 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~X~$Pointer$~TO~VOID [2021-12-22 15:36:02,809 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~X~$Pointer$~TO~VOID [2021-12-22 15:36:02,809 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_map_page [2021-12-22 15:36:02,809 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_map_page [2021-12-22 15:36:02,809 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2021-12-22 15:36:02,810 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2021-12-22 15:36:02,810 INFO L130 BoogieDeclarations]: Found specification of procedure ethtool_cmd_speed [2021-12-22 15:36:02,810 INFO L138 BoogieDeclarations]: Found implementation of procedure ethtool_cmd_speed [2021-12-22 15:36:02,810 INFO L130 BoogieDeclarations]: Found specification of procedure skb_put [2021-12-22 15:36:02,810 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_put [2021-12-22 15:36:02,810 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev [2021-12-22 15:36:02,810 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev [2021-12-22 15:36:02,810 INFO L130 BoogieDeclarations]: Found specification of procedure readl [2021-12-22 15:36:02,811 INFO L138 BoogieDeclarations]: Found implementation of procedure readl [2021-12-22 15:36:02,811 INFO L130 BoogieDeclarations]: Found specification of procedure writel [2021-12-22 15:36:02,811 INFO L138 BoogieDeclarations]: Found implementation of procedure writel [2021-12-22 15:36:02,811 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-22 15:36:02,811 INFO L130 BoogieDeclarations]: Found specification of procedure dma_unmap_page [2021-12-22 15:36:02,811 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_unmap_page [2021-12-22 15:36:02,811 INFO L130 BoogieDeclarations]: Found specification of procedure is_lucent_phy [2021-12-22 15:36:02,812 INFO L138 BoogieDeclarations]: Found implementation of procedure is_lucent_phy [2021-12-22 15:36:02,812 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2021-12-22 15:36:02,812 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2021-12-22 15:36:02,812 INFO L130 BoogieDeclarations]: Found specification of procedure readb [2021-12-22 15:36:02,812 INFO L138 BoogieDeclarations]: Found implementation of procedure readb [2021-12-22 15:36:02,812 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-22 15:36:02,812 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-22 15:36:02,813 INFO L130 BoogieDeclarations]: Found specification of procedure happy_meal_transceiver_check [2021-12-22 15:36:02,813 INFO L138 BoogieDeclarations]: Found implementation of procedure happy_meal_transceiver_check [2021-12-22 15:36:03,656 INFO L234 CfgBuilder]: Building ICFG [2021-12-22 15:36:03,660 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-22 15:36:04,216 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2021-12-22 15:36:07,749 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2021-12-22 15:36:07,889 INFO L275 CfgBuilder]: Performing block encoding [2021-12-22 15:36:07,905 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-22 15:36:07,905 INFO L299 CfgBuilder]: Removed 1 assume(true) statements. [2021-12-22 15:36:07,910 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.12 03:36:07 BoogieIcfgContainer [2021-12-22 15:36:07,910 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-22 15:36:07,912 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-22 15:36:07,912 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-22 15:36:07,915 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-22 15:36:07,915 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.12 03:35:59" (1/3) ... [2021-12-22 15:36:07,916 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3d094b47 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.12 03:36:07, skipping insertion in model container [2021-12-22 15:36:07,916 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 03:36:02" (2/3) ... [2021-12-22 15:36:07,916 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3d094b47 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.12 03:36:07, skipping insertion in model container [2021-12-22 15:36:07,916 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.12 03:36:07" (3/3) ... [2021-12-22 15:36:07,917 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-usb-dev_drivers-net-ethernet-sun-sunhme.cil.i [2021-12-22 15:36:07,922 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-22 15:36:07,922 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2021-12-22 15:36:07,974 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-22 15:36:07,991 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-12-22 15:36:07,991 INFO L340 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2021-12-22 15:36:08,044 INFO L276 IsEmpty]: Start isEmpty. Operand has 1955 states, 1328 states have (on average 1.302710843373494) internal successors, (1730), 1367 states have internal predecessors, (1730), 541 states have call successors, (541), 85 states have call predecessors, (541), 84 states have return successors, (535), 521 states have call predecessors, (535), 535 states have call successors, (535) [2021-12-22 15:36:08,054 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2021-12-22 15:36:08,054 INFO L506 BasicCegarLoop]: Found error trace [2021-12-22 15:36:08,055 INFO L514 BasicCegarLoop]: trace histogram [9, 9, 8, 8, 8, 8, 8, 8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-22 15:36:08,055 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-22 15:36:08,059 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-22 15:36:08,060 INFO L85 PathProgramCache]: Analyzing trace with hash -7580242, now seen corresponding path program 1 times [2021-12-22 15:36:08,067 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-22 15:36:08,067 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1178960000] [2021-12-22 15:36:08,067 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-22 15:36:08,068 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-22 15:36:08,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:36:08,574 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-22 15:36:08,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:36:08,620 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:36:08,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:36:08,641 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-22 15:36:08,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:36:08,660 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:36:08,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:36:08,684 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-22 15:36:08,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:36:08,708 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:36:08,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:36:08,728 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-22 15:36:08,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:36:08,745 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:36:08,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:36:08,755 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-22 15:36:08,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:36:08,774 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:36:08,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:36:08,786 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-22 15:36:08,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:36:08,796 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:36:08,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:36:08,804 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-22 15:36:08,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:36:08,818 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:36:08,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:36:08,828 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-22 15:36:08,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:36:08,848 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:36:08,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:36:08,857 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2021-12-22 15:36:08,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:36:08,877 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2021-12-22 15:36:08,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:36:08,894 INFO L134 CoverageAnalysis]: Checked inductivity of 276 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 276 trivial. 0 not checked. [2021-12-22 15:36:08,896 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-22 15:36:08,896 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1178960000] [2021-12-22 15:36:08,897 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1178960000] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-22 15:36:08,899 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-22 15:36:08,899 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-22 15:36:08,901 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [312824503] [2021-12-22 15:36:08,902 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-22 15:36:08,906 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-22 15:36:08,906 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-22 15:36:08,931 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-22 15:36:08,932 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-12-22 15:36:08,938 INFO L87 Difference]: Start difference. First operand has 1955 states, 1328 states have (on average 1.302710843373494) internal successors, (1730), 1367 states have internal predecessors, (1730), 541 states have call successors, (541), 85 states have call predecessors, (541), 84 states have return successors, (535), 521 states have call predecessors, (535), 535 states have call successors, (535) Second operand has 4 states, 4 states have (on average 8.5) internal successors, (34), 3 states have internal predecessors, (34), 3 states have call successors, (12), 3 states have call predecessors, (12), 1 states have return successors, (11), 3 states have call predecessors, (11), 3 states have call successors, (11) [2021-12-22 15:36:13,245 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-22 15:36:13,246 INFO L93 Difference]: Finished difference Result 5773 states and 8383 transitions. [2021-12-22 15:36:13,247 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-22 15:36:13,248 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 8.5) internal successors, (34), 3 states have internal predecessors, (34), 3 states have call successors, (12), 3 states have call predecessors, (12), 1 states have return successors, (11), 3 states have call predecessors, (11), 3 states have call successors, (11) Word has length 115 [2021-12-22 15:36:13,249 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-22 15:36:13,297 INFO L225 Difference]: With dead ends: 5773 [2021-12-22 15:36:13,297 INFO L226 Difference]: Without dead ends: 3828 [2021-12-22 15:36:13,318 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 38 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-12-22 15:36:13,320 INFO L933 BasicCegarLoop]: 2907 mSDtfsCounter, 3271 mSDsluCounter, 3015 mSDsCounter, 0 mSdLazyCounter, 1907 mSolverCounterSat, 1657 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3761 SdHoareTripleChecker+Valid, 5922 SdHoareTripleChecker+Invalid, 3564 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1657 IncrementalHoareTripleChecker+Valid, 1907 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.9s IncrementalHoareTripleChecker+Time [2021-12-22 15:36:13,321 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3761 Valid, 5922 Invalid, 3564 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1657 Valid, 1907 Invalid, 0 Unknown, 0 Unchecked, 3.9s Time] [2021-12-22 15:36:13,342 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3828 states. [2021-12-22 15:36:13,609 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3828 to 3788. [2021-12-22 15:36:13,617 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3788 states, 2579 states have (on average 1.2954633578906554) internal successors, (3341), 2656 states have internal predecessors, (3341), 1042 states have call successors, (1042), 166 states have call predecessors, (1042), 165 states have return successors, (1039), 1011 states have call predecessors, (1039), 1039 states have call successors, (1039) [2021-12-22 15:36:13,645 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3788 states to 3788 states and 5422 transitions. [2021-12-22 15:36:13,648 INFO L78 Accepts]: Start accepts. Automaton has 3788 states and 5422 transitions. Word has length 115 [2021-12-22 15:36:13,651 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-22 15:36:13,652 INFO L470 AbstractCegarLoop]: Abstraction has 3788 states and 5422 transitions. [2021-12-22 15:36:13,652 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 8.5) internal successors, (34), 3 states have internal predecessors, (34), 3 states have call successors, (12), 3 states have call predecessors, (12), 1 states have return successors, (11), 3 states have call predecessors, (11), 3 states have call successors, (11) [2021-12-22 15:36:13,652 INFO L276 IsEmpty]: Start isEmpty. Operand 3788 states and 5422 transitions. [2021-12-22 15:36:13,667 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2021-12-22 15:36:13,667 INFO L506 BasicCegarLoop]: Found error trace [2021-12-22 15:36:13,668 INFO L514 BasicCegarLoop]: trace histogram [9, 9, 8, 8, 8, 8, 8, 8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-22 15:36:13,668 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-12-22 15:36:13,668 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-22 15:36:13,669 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-22 15:36:13,669 INFO L85 PathProgramCache]: Analyzing trace with hash -36583230, now seen corresponding path program 1 times [2021-12-22 15:36:13,669 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-22 15:36:13,669 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1968498400] [2021-12-22 15:36:13,670 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-22 15:36:13,670 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-22 15:36:13,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:36:13,845 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-22 15:36:13,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:36:13,853 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:36:13,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:36:13,859 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-22 15:36:13,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:36:13,868 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:36:13,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:36:13,873 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-22 15:36:13,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:36:13,879 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:36:13,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:36:13,884 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-22 15:36:13,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:36:13,897 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:36:13,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:36:13,903 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-22 15:36:13,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:36:13,910 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:36:13,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:36:13,915 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-22 15:36:13,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:36:13,922 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:36:13,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:36:13,932 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-22 15:36:13,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:36:13,941 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:36:13,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:36:13,946 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-22 15:36:13,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:36:13,956 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:36:13,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:36:13,961 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2021-12-22 15:36:13,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:36:13,968 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2021-12-22 15:36:13,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:36:13,975 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-12-22 15:36:13,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:36:13,991 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2021-12-22 15:36:13,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:36:14,002 INFO L134 CoverageAnalysis]: Checked inductivity of 276 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 276 trivial. 0 not checked. [2021-12-22 15:36:14,003 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-22 15:36:14,003 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1968498400] [2021-12-22 15:36:14,003 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1968498400] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-22 15:36:14,003 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-22 15:36:14,004 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-22 15:36:14,004 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [147087629] [2021-12-22 15:36:14,004 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-22 15:36:14,005 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-12-22 15:36:14,005 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-22 15:36:14,006 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-12-22 15:36:14,006 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-12-22 15:36:14,006 INFO L87 Difference]: Start difference. First operand 3788 states and 5422 transitions. Second operand has 5 states, 5 states have (on average 12.8) internal successors, (64), 3 states have internal predecessors, (64), 3 states have call successors, (13), 3 states have call predecessors, (13), 1 states have return successors, (13), 3 states have call predecessors, (13), 3 states have call successors, (13) [2021-12-22 15:36:20,238 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-22 15:36:20,238 INFO L93 Difference]: Finished difference Result 8735 states and 12568 transitions. [2021-12-22 15:36:20,239 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-12-22 15:36:20,239 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 12.8) internal successors, (64), 3 states have internal predecessors, (64), 3 states have call successors, (13), 3 states have call predecessors, (13), 1 states have return successors, (13), 3 states have call predecessors, (13), 3 states have call successors, (13) Word has length 148 [2021-12-22 15:36:20,240 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-22 15:36:20,275 INFO L225 Difference]: With dead ends: 8735 [2021-12-22 15:36:20,275 INFO L226 Difference]: Without dead ends: 4968 [2021-12-22 15:36:20,294 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 43 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2021-12-22 15:36:20,296 INFO L933 BasicCegarLoop]: 2695 mSDtfsCounter, 3523 mSDsluCounter, 3737 mSDsCounter, 0 mSdLazyCounter, 3267 mSolverCounterSat, 3038 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3852 SdHoareTripleChecker+Valid, 6432 SdHoareTripleChecker+Invalid, 6305 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 3038 IncrementalHoareTripleChecker+Valid, 3267 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.8s IncrementalHoareTripleChecker+Time [2021-12-22 15:36:20,296 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3852 Valid, 6432 Invalid, 6305 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [3038 Valid, 3267 Invalid, 0 Unknown, 0 Unchecked, 5.8s Time] [2021-12-22 15:36:20,304 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4968 states. [2021-12-22 15:36:20,510 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4968 to 4673. [2021-12-22 15:36:20,519 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4673 states, 3142 states have (on average 1.2902609802673457) internal successors, (4054), 3242 states have internal predecessors, (4054), 1322 states have call successors, (1322), 209 states have call predecessors, (1322), 207 states have return successors, (1319), 1282 states have call predecessors, (1319), 1319 states have call successors, (1319) [2021-12-22 15:36:20,545 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4673 states to 4673 states and 6695 transitions. [2021-12-22 15:36:20,548 INFO L78 Accepts]: Start accepts. Automaton has 4673 states and 6695 transitions. Word has length 148 [2021-12-22 15:36:20,548 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-22 15:36:20,549 INFO L470 AbstractCegarLoop]: Abstraction has 4673 states and 6695 transitions. [2021-12-22 15:36:20,549 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 12.8) internal successors, (64), 3 states have internal predecessors, (64), 3 states have call successors, (13), 3 states have call predecessors, (13), 1 states have return successors, (13), 3 states have call predecessors, (13), 3 states have call successors, (13) [2021-12-22 15:36:20,549 INFO L276 IsEmpty]: Start isEmpty. Operand 4673 states and 6695 transitions. [2021-12-22 15:36:20,555 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 159 [2021-12-22 15:36:20,555 INFO L506 BasicCegarLoop]: Found error trace [2021-12-22 15:36:20,555 INFO L514 BasicCegarLoop]: trace histogram [11, 11, 8, 8, 8, 8, 8, 8, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-22 15:36:20,555 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-12-22 15:36:20,556 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-22 15:36:20,556 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-22 15:36:20,556 INFO L85 PathProgramCache]: Analyzing trace with hash -270993064, now seen corresponding path program 1 times [2021-12-22 15:36:20,557 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-22 15:36:20,557 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [290586640] [2021-12-22 15:36:20,557 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-22 15:36:20,557 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-22 15:36:20,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:36:20,741 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-22 15:36:20,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:36:20,752 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:36:20,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:36:20,758 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-22 15:36:20,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:36:20,766 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:36:20,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:36:20,775 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-22 15:36:20,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:36:20,783 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:36:20,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:36:20,789 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-22 15:36:20,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:36:20,797 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:36:20,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:36:20,803 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-22 15:36:20,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:36:20,811 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:36:20,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:36:20,816 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-22 15:36:20,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:36:20,824 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:36:20,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:36:20,829 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-22 15:36:20,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:36:20,836 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:36:20,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:36:20,848 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-22 15:36:20,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:36:20,861 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:36:20,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:36:20,868 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2021-12-22 15:36:20,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:36:20,880 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2021-12-22 15:36:20,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:36:20,887 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2021-12-22 15:36:20,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:36:20,893 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:36:20,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:36:20,897 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2021-12-22 15:36:20,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:36:20,902 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2021-12-22 15:36:20,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:36:20,909 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2021-12-22 15:36:20,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:36:20,917 INFO L134 CoverageAnalysis]: Checked inductivity of 355 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 345 trivial. 0 not checked. [2021-12-22 15:36:20,917 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-22 15:36:20,917 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [290586640] [2021-12-22 15:36:20,918 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [290586640] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-22 15:36:20,918 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-22 15:36:20,918 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-22 15:36:20,918 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1009514925] [2021-12-22 15:36:20,918 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-22 15:36:20,919 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-22 15:36:20,919 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-22 15:36:20,919 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-22 15:36:20,920 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-12-22 15:36:20,920 INFO L87 Difference]: Start difference. First operand 4673 states and 6695 transitions. Second operand has 4 states, 4 states have (on average 14.25) internal successors, (57), 3 states have internal predecessors, (57), 2 states have call successors, (17), 3 states have call predecessors, (17), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2021-12-22 15:36:23,171 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-22 15:36:23,172 INFO L93 Difference]: Finished difference Result 8038 states and 11530 transitions. [2021-12-22 15:36:23,172 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-12-22 15:36:23,173 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 14.25) internal successors, (57), 3 states have internal predecessors, (57), 2 states have call successors, (17), 3 states have call predecessors, (17), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) Word has length 158 [2021-12-22 15:36:23,176 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-22 15:36:23,211 INFO L225 Difference]: With dead ends: 8038 [2021-12-22 15:36:23,212 INFO L226 Difference]: Without dead ends: 4715 [2021-12-22 15:36:23,231 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 49 GetRequests, 47 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-12-22 15:36:23,235 INFO L933 BasicCegarLoop]: 2568 mSDtfsCounter, 651 mSDsluCounter, 3026 mSDsCounter, 0 mSdLazyCounter, 1359 mSolverCounterSat, 531 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 850 SdHoareTripleChecker+Valid, 5594 SdHoareTripleChecker+Invalid, 1890 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 531 IncrementalHoareTripleChecker+Valid, 1359 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.0s IncrementalHoareTripleChecker+Time [2021-12-22 15:36:23,237 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [850 Valid, 5594 Invalid, 1890 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [531 Valid, 1359 Invalid, 0 Unknown, 0 Unchecked, 2.0s Time] [2021-12-22 15:36:23,244 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4715 states. [2021-12-22 15:36:23,436 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4715 to 4673. [2021-12-22 15:36:23,457 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4673 states, 3142 states have (on average 1.2896244430299173) internal successors, (4052), 3242 states have internal predecessors, (4052), 1322 states have call successors, (1322), 209 states have call predecessors, (1322), 207 states have return successors, (1319), 1282 states have call predecessors, (1319), 1319 states have call successors, (1319) [2021-12-22 15:36:23,479 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4673 states to 4673 states and 6693 transitions. [2021-12-22 15:36:23,481 INFO L78 Accepts]: Start accepts. Automaton has 4673 states and 6693 transitions. Word has length 158 [2021-12-22 15:36:23,483 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-22 15:36:23,483 INFO L470 AbstractCegarLoop]: Abstraction has 4673 states and 6693 transitions. [2021-12-22 15:36:23,484 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 14.25) internal successors, (57), 3 states have internal predecessors, (57), 2 states have call successors, (17), 3 states have call predecessors, (17), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2021-12-22 15:36:23,484 INFO L276 IsEmpty]: Start isEmpty. Operand 4673 states and 6693 transitions. [2021-12-22 15:36:23,492 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 175 [2021-12-22 15:36:23,492 INFO L506 BasicCegarLoop]: Found error trace [2021-12-22 15:36:23,493 INFO L514 BasicCegarLoop]: trace histogram [12, 12, 8, 8, 8, 8, 8, 8, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-22 15:36:23,493 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-12-22 15:36:23,493 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-22 15:36:23,494 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-22 15:36:23,494 INFO L85 PathProgramCache]: Analyzing trace with hash -1743081093, now seen corresponding path program 1 times [2021-12-22 15:36:23,494 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-22 15:36:23,494 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [913418936] [2021-12-22 15:36:23,494 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-22 15:36:23,494 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-22 15:36:23,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:36:23,649 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-22 15:36:23,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:36:23,655 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:36:23,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:36:23,662 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-22 15:36:23,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:36:23,680 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:36:23,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:36:23,687 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-22 15:36:23,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:36:23,693 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:36:23,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:36:23,698 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-22 15:36:23,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:36:23,704 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:36:23,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:36:23,708 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-22 15:36:23,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:36:23,714 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:36:23,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:36:23,718 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-22 15:36:23,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:36:23,725 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:36:23,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:36:23,729 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-22 15:36:23,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:36:23,736 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:36:23,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:36:23,741 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-22 15:36:23,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:36:23,746 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:36:23,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:36:23,751 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2021-12-22 15:36:23,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:36:23,798 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2021-12-22 15:36:23,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:36:23,808 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2021-12-22 15:36:23,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:36:23,814 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2021-12-22 15:36:23,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:36:23,823 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2021-12-22 15:36:23,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:36:23,829 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:36:23,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:36:23,836 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2021-12-22 15:36:23,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:36:23,843 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2021-12-22 15:36:23,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:36:23,851 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2021-12-22 15:36:23,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:36:23,856 INFO L134 CoverageAnalysis]: Checked inductivity of 400 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 390 trivial. 0 not checked. [2021-12-22 15:36:23,856 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-22 15:36:23,856 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [913418936] [2021-12-22 15:36:23,856 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [913418936] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-22 15:36:23,857 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-22 15:36:23,857 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-22 15:36:23,857 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [225240766] [2021-12-22 15:36:23,857 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-22 15:36:23,858 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-22 15:36:23,858 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-22 15:36:23,858 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-22 15:36:23,858 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-12-22 15:36:23,859 INFO L87 Difference]: Start difference. First operand 4673 states and 6693 transitions. Second operand has 4 states, 4 states have (on average 16.0) internal successors, (64), 3 states have internal predecessors, (64), 3 states have call successors, (19), 3 states have call predecessors, (19), 1 states have return successors, (18), 3 states have call predecessors, (18), 3 states have call successors, (18) [2021-12-22 15:36:27,445 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-22 15:36:27,445 INFO L93 Difference]: Finished difference Result 11249 states and 16147 transitions. [2021-12-22 15:36:27,445 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-22 15:36:27,446 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 16.0) internal successors, (64), 3 states have internal predecessors, (64), 3 states have call successors, (19), 3 states have call predecessors, (19), 1 states have return successors, (18), 3 states have call predecessors, (18), 3 states have call successors, (18) Word has length 174 [2021-12-22 15:36:27,446 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-22 15:36:27,501 INFO L225 Difference]: With dead ends: 11249 [2021-12-22 15:36:27,501 INFO L226 Difference]: Without dead ends: 7926 [2021-12-22 15:36:27,526 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 55 GetRequests, 52 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-12-22 15:36:27,527 INFO L933 BasicCegarLoop]: 4346 mSDtfsCounter, 2792 mSDsluCounter, 3691 mSDsCounter, 0 mSdLazyCounter, 1900 mSolverCounterSat, 1275 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3277 SdHoareTripleChecker+Valid, 8037 SdHoareTripleChecker+Invalid, 3175 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1275 IncrementalHoareTripleChecker+Valid, 1900 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.3s IncrementalHoareTripleChecker+Time [2021-12-22 15:36:27,527 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3277 Valid, 8037 Invalid, 3175 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1275 Valid, 1900 Invalid, 0 Unknown, 0 Unchecked, 3.3s Time] [2021-12-22 15:36:27,537 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7926 states. [2021-12-22 15:36:27,881 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7926 to 7856. [2021-12-22 15:36:27,893 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7856 states, 5292 states have (on average 1.2913832199546484) internal successors, (6834), 5457 states have internal predecessors, (6834), 2213 states have call successors, (2213), 351 states have call predecessors, (2213), 349 states have return successors, (2210), 2150 states have call predecessors, (2210), 2210 states have call successors, (2210) [2021-12-22 15:36:27,931 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7856 states to 7856 states and 11257 transitions. [2021-12-22 15:36:27,933 INFO L78 Accepts]: Start accepts. Automaton has 7856 states and 11257 transitions. Word has length 174 [2021-12-22 15:36:27,934 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-22 15:36:27,934 INFO L470 AbstractCegarLoop]: Abstraction has 7856 states and 11257 transitions. [2021-12-22 15:36:27,934 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 16.0) internal successors, (64), 3 states have internal predecessors, (64), 3 states have call successors, (19), 3 states have call predecessors, (19), 1 states have return successors, (18), 3 states have call predecessors, (18), 3 states have call successors, (18) [2021-12-22 15:36:27,935 INFO L276 IsEmpty]: Start isEmpty. Operand 7856 states and 11257 transitions. [2021-12-22 15:36:27,942 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 175 [2021-12-22 15:36:27,943 INFO L506 BasicCegarLoop]: Found error trace [2021-12-22 15:36:27,943 INFO L514 BasicCegarLoop]: trace histogram [12, 12, 8, 8, 8, 8, 8, 8, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-22 15:36:27,943 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-12-22 15:36:27,944 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-22 15:36:27,944 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-22 15:36:27,944 INFO L85 PathProgramCache]: Analyzing trace with hash -1877094599, now seen corresponding path program 1 times [2021-12-22 15:36:27,944 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-22 15:36:27,944 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1523634895] [2021-12-22 15:36:27,945 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-22 15:36:27,945 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-22 15:36:28,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:36:28,151 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-22 15:36:28,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:36:28,162 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:36:28,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:36:28,167 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-22 15:36:28,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:36:28,178 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:36:28,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:36:28,183 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-22 15:36:28,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:36:28,192 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:36:28,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:36:28,198 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-22 15:36:28,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:36:28,207 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:36:28,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:36:28,212 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-22 15:36:28,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:36:28,223 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:36:28,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:36:28,227 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-22 15:36:28,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:36:28,233 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:36:28,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:36:28,238 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-22 15:36:28,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:36:28,246 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:36:28,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:36:28,251 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-22 15:36:28,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:36:28,261 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:36:28,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:36:28,265 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2021-12-22 15:36:28,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:36:28,271 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2021-12-22 15:36:28,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:36:28,277 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2021-12-22 15:36:28,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:36:28,283 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2021-12-22 15:36:28,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:36:28,290 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2021-12-22 15:36:28,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:36:28,296 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:36:28,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:36:28,300 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2021-12-22 15:36:28,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:36:28,307 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2021-12-22 15:36:28,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:36:28,313 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2021-12-22 15:36:28,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:36:28,326 INFO L134 CoverageAnalysis]: Checked inductivity of 400 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 400 trivial. 0 not checked. [2021-12-22 15:36:28,327 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-22 15:36:28,327 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1523634895] [2021-12-22 15:36:28,327 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1523634895] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-22 15:36:28,327 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-22 15:36:28,327 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-22 15:36:28,328 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1771630646] [2021-12-22 15:36:28,328 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-22 15:36:28,328 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-12-22 15:36:28,328 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-22 15:36:28,329 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-12-22 15:36:28,329 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-12-22 15:36:28,329 INFO L87 Difference]: Start difference. First operand 7856 states and 11257 transitions. Second operand has 5 states, 5 states have (on average 11.2) internal successors, (56), 4 states have internal predecessors, (56), 2 states have call successors, (18), 3 states have call predecessors, (18), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2021-12-22 15:36:30,709 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-22 15:36:30,709 INFO L93 Difference]: Finished difference Result 7924 states and 11384 transitions. [2021-12-22 15:36:30,709 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-22 15:36:30,710 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 11.2) internal successors, (56), 4 states have internal predecessors, (56), 2 states have call successors, (18), 3 states have call predecessors, (18), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) Word has length 174 [2021-12-22 15:36:30,774 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-22 15:36:30,828 INFO L225 Difference]: With dead ends: 7924 [2021-12-22 15:36:30,829 INFO L226 Difference]: Without dead ends: 7883 [2021-12-22 15:36:30,841 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 52 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-12-22 15:36:30,842 INFO L933 BasicCegarLoop]: 2558 mSDtfsCounter, 2677 mSDsluCounter, 3037 mSDsCounter, 0 mSdLazyCounter, 1370 mSolverCounterSat, 1137 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2976 SdHoareTripleChecker+Valid, 5595 SdHoareTripleChecker+Invalid, 2507 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1137 IncrementalHoareTripleChecker+Valid, 1370 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.1s IncrementalHoareTripleChecker+Time [2021-12-22 15:36:30,845 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2976 Valid, 5595 Invalid, 2507 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1137 Valid, 1370 Invalid, 0 Unknown, 0 Unchecked, 2.1s Time] [2021-12-22 15:36:30,856 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7883 states. [2021-12-22 15:36:31,213 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7883 to 7821. [2021-12-22 15:36:31,226 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7821 states, 5274 states have (on average 1.2910504361016306) internal successors, (6809), 5433 states have internal predecessors, (6809), 2198 states have call successors, (2198), 348 states have call predecessors, (2198), 348 states have return successors, (2198), 2142 states have call predecessors, (2198), 2198 states have call successors, (2198) [2021-12-22 15:36:31,266 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7821 states to 7821 states and 11205 transitions. [2021-12-22 15:36:31,267 INFO L78 Accepts]: Start accepts. Automaton has 7821 states and 11205 transitions. Word has length 174 [2021-12-22 15:36:31,267 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-22 15:36:31,268 INFO L470 AbstractCegarLoop]: Abstraction has 7821 states and 11205 transitions. [2021-12-22 15:36:31,268 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 11.2) internal successors, (56), 4 states have internal predecessors, (56), 2 states have call successors, (18), 3 states have call predecessors, (18), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2021-12-22 15:36:31,268 INFO L276 IsEmpty]: Start isEmpty. Operand 7821 states and 11205 transitions. [2021-12-22 15:36:31,294 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 216 [2021-12-22 15:36:31,294 INFO L506 BasicCegarLoop]: Found error trace [2021-12-22 15:36:31,295 INFO L514 BasicCegarLoop]: trace histogram [12, 12, 8, 8, 8, 8, 8, 8, 5, 5, 5, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-22 15:36:31,295 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-12-22 15:36:31,295 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-22 15:36:31,296 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-22 15:36:31,296 INFO L85 PathProgramCache]: Analyzing trace with hash -1804374031, now seen corresponding path program 1 times [2021-12-22 15:36:31,296 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-22 15:36:31,296 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [154363689] [2021-12-22 15:36:31,296 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-22 15:36:31,297 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-22 15:36:31,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:36:31,440 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-22 15:36:31,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:36:31,446 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:36:31,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:36:31,450 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-22 15:36:31,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:36:31,455 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:36:31,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:36:31,459 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-22 15:36:31,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:36:31,466 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:36:31,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:36:31,469 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-22 15:36:31,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:36:31,474 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:36:31,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:36:31,478 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-22 15:36:31,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:36:31,482 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:36:31,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:36:31,486 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-22 15:36:31,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:36:31,493 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:36:31,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:36:31,498 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-22 15:36:31,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:36:31,504 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:36:31,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:36:31,507 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-22 15:36:31,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:36:31,516 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:36:31,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:36:31,520 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2021-12-22 15:36:31,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:36:31,524 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2021-12-22 15:36:31,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:36:31,528 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2021-12-22 15:36:31,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:36:31,532 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2021-12-22 15:36:31,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:36:31,536 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2021-12-22 15:36:31,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:36:31,540 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2021-12-22 15:36:31,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:36:31,546 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:36:31,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:36:31,550 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2021-12-22 15:36:31,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:36:31,555 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2021-12-22 15:36:31,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:36:31,562 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2021-12-22 15:36:31,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:36:31,568 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2021-12-22 15:36:31,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:36:31,582 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 199 [2021-12-22 15:36:31,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:36:31,594 INFO L134 CoverageAnalysis]: Checked inductivity of 409 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 406 trivial. 0 not checked. [2021-12-22 15:36:31,594 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-22 15:36:31,594 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [154363689] [2021-12-22 15:36:31,594 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [154363689] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-22 15:36:31,595 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-22 15:36:31,595 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-22 15:36:31,595 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1029522607] [2021-12-22 15:36:31,595 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-22 15:36:31,596 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-12-22 15:36:31,596 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-22 15:36:31,596 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-12-22 15:36:31,597 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-12-22 15:36:31,597 INFO L87 Difference]: Start difference. First operand 7821 states and 11205 transitions. Second operand has 5 states, 5 states have (on average 19.4) internal successors, (97), 3 states have internal predecessors, (97), 3 states have call successors, (21), 3 states have call predecessors, (21), 1 states have return successors, (21), 3 states have call predecessors, (21), 3 states have call successors, (21) [2021-12-22 15:36:36,958 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-22 15:36:36,959 INFO L93 Difference]: Finished difference Result 17662 states and 25380 transitions. [2021-12-22 15:36:36,959 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-12-22 15:36:36,959 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 19.4) internal successors, (97), 3 states have internal predecessors, (97), 3 states have call successors, (21), 3 states have call predecessors, (21), 1 states have return successors, (21), 3 states have call predecessors, (21), 3 states have call successors, (21) Word has length 215 [2021-12-22 15:36:36,960 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-22 15:36:37,025 INFO L225 Difference]: With dead ends: 17662 [2021-12-22 15:36:37,026 INFO L226 Difference]: Without dead ends: 11191 [2021-12-22 15:36:37,066 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 66 GetRequests, 59 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2021-12-22 15:36:37,067 INFO L933 BasicCegarLoop]: 4117 mSDtfsCounter, 2599 mSDsluCounter, 4852 mSDsCounter, 0 mSdLazyCounter, 3673 mSolverCounterSat, 2186 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2925 SdHoareTripleChecker+Valid, 8969 SdHoareTripleChecker+Invalid, 5859 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2186 IncrementalHoareTripleChecker+Valid, 3673 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.9s IncrementalHoareTripleChecker+Time [2021-12-22 15:36:37,067 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2925 Valid, 8969 Invalid, 5859 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2186 Valid, 3673 Invalid, 0 Unknown, 0 Unchecked, 4.9s Time] [2021-12-22 15:36:37,079 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11191 states. [2021-12-22 15:36:37,509 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11191 to 10553. [2021-12-22 15:36:37,527 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10553 states, 7095 states have (on average 1.2897815362931642) internal successors, (9151), 7311 states have internal predecessors, (9151), 2984 states have call successors, (2984), 473 states have call predecessors, (2984), 473 states have return successors, (2984), 2909 states have call predecessors, (2984), 2984 states have call successors, (2984) [2021-12-22 15:36:37,688 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10553 states to 10553 states and 15119 transitions. [2021-12-22 15:36:37,691 INFO L78 Accepts]: Start accepts. Automaton has 10553 states and 15119 transitions. Word has length 215 [2021-12-22 15:36:37,691 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-22 15:36:37,691 INFO L470 AbstractCegarLoop]: Abstraction has 10553 states and 15119 transitions. [2021-12-22 15:36:37,692 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 19.4) internal successors, (97), 3 states have internal predecessors, (97), 3 states have call successors, (21), 3 states have call predecessors, (21), 1 states have return successors, (21), 3 states have call predecessors, (21), 3 states have call successors, (21) [2021-12-22 15:36:37,692 INFO L276 IsEmpty]: Start isEmpty. Operand 10553 states and 15119 transitions. [2021-12-22 15:36:37,740 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 290 [2021-12-22 15:36:37,741 INFO L506 BasicCegarLoop]: Found error trace [2021-12-22 15:36:37,741 INFO L514 BasicCegarLoop]: trace histogram [14, 14, 9, 9, 9, 8, 8, 8, 8, 8, 8, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-22 15:36:37,741 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-12-22 15:36:37,741 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-22 15:36:37,743 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-22 15:36:37,743 INFO L85 PathProgramCache]: Analyzing trace with hash 1074901092, now seen corresponding path program 1 times [2021-12-22 15:36:37,743 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-22 15:36:37,744 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1465564397] [2021-12-22 15:36:37,744 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-22 15:36:37,744 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-22 15:36:37,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:36:37,916 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-22 15:36:37,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:36:37,924 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:36:37,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:36:37,929 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-22 15:36:37,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:36:37,936 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:36:37,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:36:37,940 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-22 15:36:37,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:36:37,945 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:36:37,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:36:37,949 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-22 15:36:37,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:36:37,956 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:36:37,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:36:37,961 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-22 15:36:37,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:36:37,967 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:36:37,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:36:37,975 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-22 15:36:37,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:36:37,981 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:36:37,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:36:37,986 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-22 15:36:37,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:36:37,992 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:36:37,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:36:37,996 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-22 15:36:38,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:36:38,005 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:36:38,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:36:38,010 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2021-12-22 15:36:38,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:36:38,015 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2021-12-22 15:36:38,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:36:38,021 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2021-12-22 15:36:38,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:36:38,026 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2021-12-22 15:36:38,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:36:38,031 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2021-12-22 15:36:38,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:36:38,039 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2021-12-22 15:36:38,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:36:38,045 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:36:38,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:36:38,049 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2021-12-22 15:36:38,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:36:38,053 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2021-12-22 15:36:38,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:36:38,058 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 185 [2021-12-22 15:36:38,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:36:38,065 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:36:38,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:36:38,070 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-22 15:36:38,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:36:38,074 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-22 15:36:38,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:36:38,078 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 206 [2021-12-22 15:36:38,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:36:38,087 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:36:38,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:36:38,096 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-22 15:36:38,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:36:38,102 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-22 15:36:38,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:36:38,107 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2021-12-22 15:36:38,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:36:38,114 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2021-12-22 15:36:38,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:36:38,123 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 258 [2021-12-22 15:36:38,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:36:38,133 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 265 [2021-12-22 15:36:38,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:36:38,148 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 273 [2021-12-22 15:36:38,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:36:38,162 INFO L134 CoverageAnalysis]: Checked inductivity of 623 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 599 trivial. 0 not checked. [2021-12-22 15:36:38,162 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-22 15:36:38,162 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1465564397] [2021-12-22 15:36:38,163 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1465564397] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-22 15:36:38,163 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-22 15:36:38,163 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-22 15:36:38,163 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1648068094] [2021-12-22 15:36:38,163 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-22 15:36:38,164 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-12-22 15:36:38,164 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-22 15:36:38,164 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-12-22 15:36:38,165 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-12-22 15:36:38,165 INFO L87 Difference]: Start difference. First operand 10553 states and 15119 transitions. Second operand has 5 states, 5 states have (on average 25.6) internal successors, (128), 3 states have internal predecessors, (128), 3 states have call successors, (27), 3 states have call predecessors, (27), 1 states have return successors, (27), 3 states have call predecessors, (27), 3 states have call successors, (27) [2021-12-22 15:36:43,572 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-22 15:36:43,573 INFO L93 Difference]: Finished difference Result 23256 states and 33398 transitions. [2021-12-22 15:36:43,573 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-12-22 15:36:43,573 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 25.6) internal successors, (128), 3 states have internal predecessors, (128), 3 states have call successors, (27), 3 states have call predecessors, (27), 1 states have return successors, (27), 3 states have call predecessors, (27), 3 states have call successors, (27) Word has length 289 [2021-12-22 15:36:43,574 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-22 15:36:43,653 INFO L225 Difference]: With dead ends: 23256 [2021-12-22 15:36:43,654 INFO L226 Difference]: Without dead ends: 14053 [2021-12-22 15:36:43,703 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 86 GetRequests, 79 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2021-12-22 15:36:43,704 INFO L933 BasicCegarLoop]: 4145 mSDtfsCounter, 2599 mSDsluCounter, 4900 mSDsCounter, 0 mSdLazyCounter, 3654 mSolverCounterSat, 2157 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2926 SdHoareTripleChecker+Valid, 9045 SdHoareTripleChecker+Invalid, 5811 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2157 IncrementalHoareTripleChecker+Valid, 3654 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.9s IncrementalHoareTripleChecker+Time [2021-12-22 15:36:43,704 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2926 Valid, 9045 Invalid, 5811 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2157 Valid, 3654 Invalid, 0 Unknown, 0 Unchecked, 4.9s Time] [2021-12-22 15:36:43,718 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14053 states. [2021-12-22 15:36:44,211 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14053 to 13269. [2021-12-22 15:36:44,403 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13269 states, 8906 states have (on average 1.28935549068044) internal successors, (11483), 9179 states have internal predecessors, (11483), 3764 states have call successors, (3764), 598 states have call predecessors, (3764), 598 states have return successors, (3764), 3670 states have call predecessors, (3764), 3764 states have call successors, (3764) [2021-12-22 15:36:44,479 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13269 states to 13269 states and 19011 transitions. [2021-12-22 15:36:44,483 INFO L78 Accepts]: Start accepts. Automaton has 13269 states and 19011 transitions. Word has length 289 [2021-12-22 15:36:44,487 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-22 15:36:44,487 INFO L470 AbstractCegarLoop]: Abstraction has 13269 states and 19011 transitions. [2021-12-22 15:36:44,487 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 25.6) internal successors, (128), 3 states have internal predecessors, (128), 3 states have call successors, (27), 3 states have call predecessors, (27), 1 states have return successors, (27), 3 states have call predecessors, (27), 3 states have call successors, (27) [2021-12-22 15:36:44,487 INFO L276 IsEmpty]: Start isEmpty. Operand 13269 states and 19011 transitions. [2021-12-22 15:36:44,558 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 290 [2021-12-22 15:36:44,558 INFO L506 BasicCegarLoop]: Found error trace [2021-12-22 15:36:44,559 INFO L514 BasicCegarLoop]: trace histogram [14, 14, 9, 9, 9, 8, 8, 8, 8, 8, 8, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-22 15:36:44,559 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-12-22 15:36:44,559 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-22 15:36:44,560 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-22 15:36:44,561 INFO L85 PathProgramCache]: Analyzing trace with hash -1959148954, now seen corresponding path program 1 times [2021-12-22 15:36:44,561 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-22 15:36:44,561 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [595471336] [2021-12-22 15:36:44,561 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-22 15:36:44,562 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-22 15:36:44,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:36:44,731 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-22 15:36:44,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:36:44,739 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:36:44,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:36:44,743 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-22 15:36:44,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:36:44,750 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:36:44,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:36:44,754 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-22 15:36:44,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:36:44,761 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:36:44,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:36:44,765 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-22 15:36:44,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:36:44,771 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:36:44,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:36:44,776 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-22 15:36:44,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:36:44,786 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:36:44,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:36:44,790 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-22 15:36:44,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:36:44,796 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:36:44,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:36:44,801 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-22 15:36:44,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:36:44,807 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:36:44,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:36:44,811 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-22 15:36:44,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:36:44,817 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:36:44,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:36:44,821 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2021-12-22 15:36:44,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:36:44,826 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2021-12-22 15:36:44,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:36:44,830 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2021-12-22 15:36:44,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:36:44,835 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2021-12-22 15:36:44,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:36:44,843 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2021-12-22 15:36:44,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:36:44,849 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2021-12-22 15:36:44,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:36:44,855 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:36:44,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:36:44,859 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2021-12-22 15:36:44,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:36:44,864 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2021-12-22 15:36:44,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:36:44,869 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 185 [2021-12-22 15:36:44,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:36:44,877 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:36:44,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:36:44,882 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-22 15:36:44,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:36:44,887 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-22 15:36:44,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:36:44,892 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 206 [2021-12-22 15:36:44,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:36:44,900 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:36:44,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:36:44,905 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-22 15:36:44,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:36:44,909 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-22 15:36:44,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:36:44,914 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2021-12-22 15:36:44,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:36:44,919 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2021-12-22 15:36:44,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:36:44,926 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 258 [2021-12-22 15:36:44,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:36:44,931 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 265 [2021-12-22 15:36:44,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:36:44,963 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 273 [2021-12-22 15:36:44,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:36:44,972 INFO L134 CoverageAnalysis]: Checked inductivity of 623 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 623 trivial. 0 not checked. [2021-12-22 15:36:44,972 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-22 15:36:44,972 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [595471336] [2021-12-22 15:36:44,972 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [595471336] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-22 15:36:44,973 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-22 15:36:44,973 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-12-22 15:36:44,973 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [881746037] [2021-12-22 15:36:44,973 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-22 15:36:44,974 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-12-22 15:36:44,974 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-22 15:36:44,974 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-12-22 15:36:44,974 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2021-12-22 15:36:44,975 INFO L87 Difference]: Start difference. First operand 13269 states and 19011 transitions. Second operand has 7 states, 7 states have (on average 15.571428571428571) internal successors, (109), 4 states have internal predecessors, (109), 2 states have call successors, (26), 3 states have call predecessors, (26), 2 states have return successors, (26), 3 states have call predecessors, (26), 2 states have call successors, (26)