./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--ethernet--ti--tlan.ko-entry_point.cil.out.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-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--ethernet--ti--tlan.ko-entry_point.cil.out.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 aa052019b2e545fedc58252b88c286bfb7f233e130d9e12072cdb5cf6783cf5f --- Real Ultimate output --- This is Ultimate 0.2.2-dev-e19ca92 [2021-12-22 15:13:25,116 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-22 15:13:25,118 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-22 15:13:25,162 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-22 15:13:25,163 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-22 15:13:25,165 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-22 15:13:25,166 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-22 15:13:25,171 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-22 15:13:25,173 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-22 15:13:25,177 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-22 15:13:25,178 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-22 15:13:25,179 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-22 15:13:25,179 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-22 15:13:25,181 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-22 15:13:25,182 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-22 15:13:25,185 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-22 15:13:25,185 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-22 15:13:25,186 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-22 15:13:25,188 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-22 15:13:25,192 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-22 15:13:25,194 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-22 15:13:25,195 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-22 15:13:25,196 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-22 15:13:25,197 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-22 15:13:25,202 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-22 15:13:25,202 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-22 15:13:25,203 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-22 15:13:25,204 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-22 15:13:25,204 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-22 15:13:25,205 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-22 15:13:25,205 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-22 15:13:25,206 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-22 15:13:25,207 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-22 15:13:25,207 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-22 15:13:25,209 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-22 15:13:25,209 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-22 15:13:25,210 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-22 15:13:25,210 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-22 15:13:25,210 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-22 15:13:25,211 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-22 15:13:25,211 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-22 15:13:25,212 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2021-12-22 15:13:25,238 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-22 15:13:25,238 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-22 15:13:25,238 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-22 15:13:25,239 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-22 15:13:25,239 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-22 15:13:25,240 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-22 15:13:25,240 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-22 15:13:25,240 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-22 15:13:25,240 INFO L138 SettingsManager]: * Use SBE=true [2021-12-22 15:13:25,240 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-22 15:13:25,241 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-22 15:13:25,241 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-22 15:13:25,242 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-22 15:13:25,242 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-22 15:13:25,242 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-22 15:13:25,242 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-22 15:13:25,242 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-22 15:13:25,242 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-22 15:13:25,242 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-22 15:13:25,243 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-22 15:13:25,243 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-22 15:13:25,243 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-22 15:13:25,243 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-22 15:13:25,243 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-22 15:13:25,243 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-22 15:13:25,244 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-22 15:13:25,244 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-22 15:13:25,244 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-22 15:13:25,244 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-22 15:13:25,244 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-22 15:13:25,244 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-22 15:13:25,245 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> aa052019b2e545fedc58252b88c286bfb7f233e130d9e12072cdb5cf6783cf5f [2021-12-22 15:13:25,469 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-22 15:13:25,491 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-22 15:13:25,493 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-22 15:13:25,494 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-22 15:13:25,494 INFO L275 PluginConnector]: CDTParser initialized [2021-12-22 15:13:25,495 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--ethernet--ti--tlan.ko-entry_point.cil.out.i [2021-12-22 15:13:25,548 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/acb30e535/3c66f2a1bc5440b7bb6051060bfa9265/FLAG8e8e02485 [2021-12-22 15:13:26,219 INFO L306 CDTParser]: Found 1 translation units. [2021-12-22 15:13:26,219 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--ethernet--ti--tlan.ko-entry_point.cil.out.i [2021-12-22 15:13:26,262 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/acb30e535/3c66f2a1bc5440b7bb6051060bfa9265/FLAG8e8e02485 [2021-12-22 15:13:26,576 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/acb30e535/3c66f2a1bc5440b7bb6051060bfa9265 [2021-12-22 15:13:26,578 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-22 15:13:26,579 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-22 15:13:26,581 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-22 15:13:26,581 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-22 15:13:26,584 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-22 15:13:26,584 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.12 03:13:26" (1/1) ... [2021-12-22 15:13:26,585 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@9eca92f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 03:13:26, skipping insertion in model container [2021-12-22 15:13:26,585 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.12 03:13:26" (1/1) ... [2021-12-22 15:13:26,589 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-22 15:13:26,697 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-22 15:13:28,200 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-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--ethernet--ti--tlan.ko-entry_point.cil.out.i[304655,304668] [2021-12-22 15:13:28,254 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-22 15:13:28,295 INFO L203 MainTranslator]: Completed pre-run [2021-12-22 15:13:28,541 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-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--ethernet--ti--tlan.ko-entry_point.cil.out.i[304655,304668] [2021-12-22 15:13:28,547 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-22 15:13:28,653 INFO L208 MainTranslator]: Completed translation [2021-12-22 15:13:28,655 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 03:13:28 WrapperNode [2021-12-22 15:13:28,655 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-22 15:13:28,656 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-22 15:13:28,656 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-22 15:13:28,656 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-22 15:13:28,662 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 03:13:28" (1/1) ... [2021-12-22 15:13:28,717 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 03:13:28" (1/1) ... [2021-12-22 15:13:28,853 INFO L137 Inliner]: procedures = 299, calls = 2066, calls flagged for inlining = 144, calls inlined = 138, statements flattened = 4728 [2021-12-22 15:13:28,854 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-22 15:13:28,855 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-22 15:13:28,855 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-22 15:13:28,855 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-22 15:13:28,861 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 03:13:28" (1/1) ... [2021-12-22 15:13:28,861 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 03:13:28" (1/1) ... [2021-12-22 15:13:28,906 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 03:13:28" (1/1) ... [2021-12-22 15:13:28,907 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 03:13:28" (1/1) ... [2021-12-22 15:13:29,047 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 03:13:28" (1/1) ... [2021-12-22 15:13:29,069 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 03:13:28" (1/1) ... [2021-12-22 15:13:29,091 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 03:13:28" (1/1) ... [2021-12-22 15:13:29,117 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-22 15:13:29,118 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-22 15:13:29,118 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-22 15:13:29,118 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-22 15:13:29,143 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 03:13:28" (1/1) ... [2021-12-22 15:13:29,149 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-22 15:13:29,156 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-22 15:13:29,189 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 15:13:29,195 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 15:13:29,222 INFO L130 BoogieDeclarations]: Found specification of procedure tlan_resume [2021-12-22 15:13:29,223 INFO L138 BoogieDeclarations]: Found implementation of procedure tlan_resume [2021-12-22 15:13:29,223 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_shutdown_7 [2021-12-22 15:13:29,223 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_shutdown_7 [2021-12-22 15:13:29,223 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unregister_driver [2021-12-22 15:13:29,223 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unregister_driver [2021-12-22 15:13:29,223 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_regions [2021-12-22 15:13:29,224 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_regions [2021-12-22 15:13:29,224 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2021-12-22 15:13:29,224 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2021-12-22 15:13:29,224 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2021-12-22 15:13:29,224 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2021-12-22 15:13:29,224 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2021-12-22 15:13:29,224 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2021-12-22 15:13:29,224 INFO L130 BoogieDeclarations]: Found specification of procedure tlan_mii_write_reg [2021-12-22 15:13:29,225 INFO L138 BoogieDeclarations]: Found implementation of procedure tlan_mii_write_reg [2021-12-22 15:13:29,225 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_off [2021-12-22 15:13:29,225 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_off [2021-12-22 15:13:29,225 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock [2021-12-22 15:13:29,225 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock [2021-12-22 15:13:29,225 INFO L130 BoogieDeclarations]: Found specification of procedure tlan_ee_read_byte [2021-12-22 15:13:29,225 INFO L138 BoogieDeclarations]: Found implementation of procedure tlan_ee_read_byte [2021-12-22 15:13:29,225 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-12-22 15:13:29,226 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-12-22 15:13:29,226 INFO L130 BoogieDeclarations]: Found specification of procedure slow_down_io [2021-12-22 15:13:29,226 INFO L138 BoogieDeclarations]: Found implementation of procedure slow_down_io [2021-12-22 15:13:29,226 INFO L130 BoogieDeclarations]: Found specification of procedure tlan_handle_interrupt [2021-12-22 15:13:29,226 INFO L138 BoogieDeclarations]: Found implementation of procedure tlan_handle_interrupt [2021-12-22 15:13:29,226 INFO L130 BoogieDeclarations]: Found specification of procedure tlan_start [2021-12-22 15:13:29,226 INFO L138 BoogieDeclarations]: Found implementation of procedure tlan_start [2021-12-22 15:13:29,226 INFO L130 BoogieDeclarations]: Found specification of procedure tlan_dio_read8 [2021-12-22 15:13:29,227 INFO L138 BoogieDeclarations]: Found implementation of procedure tlan_dio_read8 [2021-12-22 15:13:29,227 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2021-12-22 15:13:29,227 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2021-12-22 15:13:29,227 INFO L130 BoogieDeclarations]: Found specification of procedure pci_map_single [2021-12-22 15:13:29,227 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_map_single [2021-12-22 15:13:29,227 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_ok [2021-12-22 15:13:29,227 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_ok [2021-12-22 15:13:29,227 INFO L130 BoogieDeclarations]: Found specification of procedure activate_work_2 [2021-12-22 15:13:29,228 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_work_2 [2021-12-22 15:13:29,228 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2021-12-22 15:13:29,228 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2021-12-22 15:13:29,228 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_on [2021-12-22 15:13:29,228 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_on [2021-12-22 15:13:29,228 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-12-22 15:13:29,229 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-12-22 15:13:29,229 INFO L130 BoogieDeclarations]: Found specification of procedure tlan_read_and_clear_stats [2021-12-22 15:13:29,229 INFO L138 BoogieDeclarations]: Found implementation of procedure tlan_read_and_clear_stats [2021-12-22 15:13:29,229 INFO L130 BoogieDeclarations]: Found specification of procedure tlan_ioctl [2021-12-22 15:13:29,229 INFO L138 BoogieDeclarations]: Found implementation of procedure tlan_ioctl [2021-12-22 15:13:29,229 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2021-12-22 15:13:29,229 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2021-12-22 15:13:29,229 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2021-12-22 15:13:29,230 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2021-12-22 15:13:29,230 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_alloc_skb_ip_align [2021-12-22 15:13:29,230 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_alloc_skb_ip_align [2021-12-22 15:13:29,231 INFO L130 BoogieDeclarations]: Found specification of procedure tlan_mii_sync [2021-12-22 15:13:29,231 INFO L138 BoogieDeclarations]: Found implementation of procedure tlan_mii_sync [2021-12-22 15:13:29,231 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-12-22 15:13:29,232 INFO L130 BoogieDeclarations]: Found specification of procedure tlan_set_multicast_list [2021-12-22 15:13:29,232 INFO L138 BoogieDeclarations]: Found implementation of procedure tlan_set_multicast_list [2021-12-22 15:13:29,232 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2021-12-22 15:13:29,232 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2021-12-22 15:13:29,232 INFO L130 BoogieDeclarations]: Found specification of procedure eth_mac_addr [2021-12-22 15:13:29,232 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_mac_addr [2021-12-22 15:13:29,232 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-12-22 15:13:29,233 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2021-12-22 15:13:29,233 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2021-12-22 15:13:29,233 INFO L130 BoogieDeclarations]: Found specification of procedure add_timer [2021-12-22 15:13:29,233 INFO L138 BoogieDeclarations]: Found implementation of procedure add_timer [2021-12-22 15:13:29,233 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2021-12-22 15:13:29,234 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2021-12-22 15:13:29,234 INFO L130 BoogieDeclarations]: Found specification of procedure tlan_get_stats [2021-12-22 15:13:29,234 INFO L138 BoogieDeclarations]: Found implementation of procedure tlan_get_stats [2021-12-22 15:13:29,234 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2021-12-22 15:13:29,234 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2021-12-22 15:13:29,234 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock [2021-12-22 15:13:29,234 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock [2021-12-22 15:13:29,235 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2021-12-22 15:13:29,235 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2021-12-22 15:13:29,235 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unmap_single [2021-12-22 15:13:29,235 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unmap_single [2021-12-22 15:13:29,235 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-12-22 15:13:29,235 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-12-22 15:13:29,235 INFO L130 BoogieDeclarations]: Found specification of procedure tlan_print_list [2021-12-22 15:13:29,235 INFO L138 BoogieDeclarations]: Found implementation of procedure tlan_print_list [2021-12-22 15:13:29,235 INFO L130 BoogieDeclarations]: Found specification of procedure queue_work_on [2021-12-22 15:13:29,236 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_work_on [2021-12-22 15:13:29,236 INFO L130 BoogieDeclarations]: Found specification of procedure tlan_dio_write16 [2021-12-22 15:13:29,236 INFO L138 BoogieDeclarations]: Found implementation of procedure tlan_dio_write16 [2021-12-22 15:13:29,236 INFO L130 BoogieDeclarations]: Found specification of procedure outw [2021-12-22 15:13:29,237 INFO L138 BoogieDeclarations]: Found implementation of procedure outw [2021-12-22 15:13:29,237 INFO L130 BoogieDeclarations]: Found specification of procedure eth_change_mtu [2021-12-22 15:13:29,237 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_change_mtu [2021-12-22 15:13:29,237 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2021-12-22 15:13:29,237 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2021-12-22 15:13:29,238 INFO L130 BoogieDeclarations]: Found specification of procedure outb [2021-12-22 15:13:29,238 INFO L138 BoogieDeclarations]: Found implementation of procedure outb [2021-12-22 15:13:29,238 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2021-12-22 15:13:29,238 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2021-12-22 15:13:29,238 INFO L130 BoogieDeclarations]: Found specification of procedure outl [2021-12-22 15:13:29,239 INFO L138 BoogieDeclarations]: Found implementation of procedure outl [2021-12-22 15:13:29,239 INFO L130 BoogieDeclarations]: Found specification of procedure tlan_reset_lists [2021-12-22 15:13:29,239 INFO L138 BoogieDeclarations]: Found implementation of procedure tlan_reset_lists [2021-12-22 15:13:29,239 INFO L130 BoogieDeclarations]: Found specification of procedure tlan_finish_reset [2021-12-22 15:13:29,239 INFO L138 BoogieDeclarations]: Found implementation of procedure tlan_finish_reset [2021-12-22 15:13:29,239 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2021-12-22 15:13:29,239 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2021-12-22 15:13:29,239 INFO L130 BoogieDeclarations]: Found specification of procedure tlan_phy_print [2021-12-22 15:13:29,240 INFO L138 BoogieDeclarations]: Found implementation of procedure tlan_phy_print [2021-12-22 15:13:29,240 INFO L130 BoogieDeclarations]: Found specification of procedure tlan_dio_write32 [2021-12-22 15:13:29,240 INFO L138 BoogieDeclarations]: Found implementation of procedure tlan_dio_write32 [2021-12-22 15:13:29,240 INFO L130 BoogieDeclarations]: Found specification of procedure tlan_probe1 [2021-12-22 15:13:29,240 INFO L138 BoogieDeclarations]: Found implementation of procedure tlan_probe1 [2021-12-22 15:13:29,240 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-12-22 15:13:29,241 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2021-12-22 15:13:29,241 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2021-12-22 15:13:29,241 INFO L130 BoogieDeclarations]: Found specification of procedure tlan_tx_timeout_work [2021-12-22 15:13:29,242 INFO L138 BoogieDeclarations]: Found implementation of procedure tlan_tx_timeout_work [2021-12-22 15:13:29,243 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2021-12-22 15:13:29,243 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2021-12-22 15:13:29,243 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer_sync [2021-12-22 15:13:29,244 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer_sync [2021-12-22 15:13:29,244 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2021-12-22 15:13:29,245 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2021-12-22 15:13:29,245 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2021-12-22 15:13:29,245 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2021-12-22 15:13:29,245 INFO L130 BoogieDeclarations]: Found specification of procedure tlan_set_timer [2021-12-22 15:13:29,249 INFO L138 BoogieDeclarations]: Found implementation of procedure tlan_set_timer [2021-12-22 15:13:29,250 INFO L130 BoogieDeclarations]: Found specification of procedure tlan_stop [2021-12-22 15:13:29,250 INFO L138 BoogieDeclarations]: Found implementation of procedure tlan_stop [2021-12-22 15:13:29,250 INFO L130 BoogieDeclarations]: Found specification of procedure tlan_set_mac [2021-12-22 15:13:29,250 INFO L138 BoogieDeclarations]: Found implementation of procedure tlan_set_mac [2021-12-22 15:13:29,250 INFO L130 BoogieDeclarations]: Found specification of procedure __release_region [2021-12-22 15:13:29,250 INFO L138 BoogieDeclarations]: Found implementation of procedure __release_region [2021-12-22 15:13:29,250 INFO L130 BoogieDeclarations]: Found specification of procedure tlan_ee_send_start [2021-12-22 15:13:29,250 INFO L138 BoogieDeclarations]: Found implementation of procedure tlan_ee_send_start [2021-12-22 15:13:29,251 INFO L130 BoogieDeclarations]: Found specification of procedure tlan_dio_read32 [2021-12-22 15:13:29,251 INFO L138 BoogieDeclarations]: Found implementation of procedure tlan_dio_read32 [2021-12-22 15:13:29,251 INFO L130 BoogieDeclarations]: Found specification of procedure pci_free_consistent [2021-12-22 15:13:29,251 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_free_consistent [2021-12-22 15:13:29,251 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-12-22 15:13:29,251 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2021-12-22 15:13:29,251 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2021-12-22 15:13:29,251 INFO L130 BoogieDeclarations]: Found specification of procedure tlan_remove_one [2021-12-22 15:13:29,251 INFO L138 BoogieDeclarations]: Found implementation of procedure tlan_remove_one [2021-12-22 15:13:29,252 INFO L130 BoogieDeclarations]: Found specification of procedure tlan_get_skb [2021-12-22 15:13:29,252 INFO L138 BoogieDeclarations]: Found implementation of procedure tlan_get_skb [2021-12-22 15:13:29,252 INFO L130 BoogieDeclarations]: Found specification of procedure tlan_dio_write8 [2021-12-22 15:13:29,252 INFO L138 BoogieDeclarations]: Found implementation of procedure tlan_dio_write8 [2021-12-22 15:13:29,252 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2021-12-22 15:13:29,252 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2021-12-22 15:13:29,252 INFO L130 BoogieDeclarations]: Found specification of procedure tlan_phy_power_down [2021-12-22 15:13:29,252 INFO L138 BoogieDeclarations]: Found implementation of procedure tlan_phy_power_down [2021-12-22 15:13:29,252 INFO L130 BoogieDeclarations]: Found specification of procedure tlan_ee_send_byte [2021-12-22 15:13:29,253 INFO L138 BoogieDeclarations]: Found implementation of procedure tlan_ee_send_byte [2021-12-22 15:13:29,253 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2021-12-22 15:13:29,253 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2021-12-22 15:13:29,253 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-12-22 15:13:29,253 INFO L130 BoogieDeclarations]: Found specification of procedure inb_p [2021-12-22 15:13:29,253 INFO L138 BoogieDeclarations]: Found implementation of procedure inb_p [2021-12-22 15:13:29,253 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2021-12-22 15:13:29,253 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2021-12-22 15:13:29,253 INFO L130 BoogieDeclarations]: Found specification of procedure disable_suitable_timer_3 [2021-12-22 15:13:29,254 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_suitable_timer_3 [2021-12-22 15:13:29,254 INFO L130 BoogieDeclarations]: Found specification of procedure tlan_poll [2021-12-22 15:13:29,254 INFO L138 BoogieDeclarations]: Found implementation of procedure tlan_poll [2021-12-22 15:13:29,254 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_any [2021-12-22 15:13:29,254 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_any [2021-12-22 15:13:29,254 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-22 15:13:29,254 INFO L130 BoogieDeclarations]: Found specification of procedure tlan_reset_adapter [2021-12-22 15:13:29,254 INFO L138 BoogieDeclarations]: Found implementation of procedure tlan_reset_adapter [2021-12-22 15:13:29,254 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_device [2021-12-22 15:13:29,254 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_enable_device [2021-12-22 15:13:29,255 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2021-12-22 15:13:29,255 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2021-12-22 15:13:29,255 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-12-22 15:13:29,255 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2021-12-22 15:13:29,255 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_irq_1 [2021-12-22 15:13:29,255 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_irq_1 [2021-12-22 15:13:29,255 INFO L130 BoogieDeclarations]: Found specification of procedure tlan_mii_send_data [2021-12-22 15:13:29,255 INFO L138 BoogieDeclarations]: Found implementation of procedure tlan_mii_send_data [2021-12-22 15:13:29,255 INFO L130 BoogieDeclarations]: Found specification of procedure reg_timer_3 [2021-12-22 15:13:29,256 INFO L138 BoogieDeclarations]: Found implementation of procedure reg_timer_3 [2021-12-22 15:13:29,256 INFO L130 BoogieDeclarations]: Found specification of procedure tlan_mii_read_reg [2021-12-22 15:13:29,256 INFO L138 BoogieDeclarations]: Found implementation of procedure tlan_mii_read_reg [2021-12-22 15:13:29,256 INFO L130 BoogieDeclarations]: Found specification of procedure tlan_free_lists [2021-12-22 15:13:29,256 INFO L138 BoogieDeclarations]: Found implementation of procedure tlan_free_lists [2021-12-22 15:13:29,256 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_resume_early_7 [2021-12-22 15:13:29,256 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_resume_early_7 [2021-12-22 15:13:29,256 INFO L130 BoogieDeclarations]: Found specification of procedure msecs_to_jiffies [2021-12-22 15:13:29,257 INFO L138 BoogieDeclarations]: Found implementation of procedure msecs_to_jiffies [2021-12-22 15:13:29,257 INFO L130 BoogieDeclarations]: Found specification of procedure outb_p [2021-12-22 15:13:29,257 INFO L138 BoogieDeclarations]: Found implementation of procedure outb_p [2021-12-22 15:13:29,257 INFO L130 BoogieDeclarations]: Found specification of procedure inb [2021-12-22 15:13:29,257 INFO L138 BoogieDeclarations]: Found implementation of procedure inb [2021-12-22 15:13:29,257 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~TO~VOID [2021-12-22 15:13:29,257 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~TO~VOID [2021-12-22 15:13:29,257 INFO L130 BoogieDeclarations]: Found specification of procedure inl [2021-12-22 15:13:29,257 INFO L138 BoogieDeclarations]: Found implementation of procedure inl [2021-12-22 15:13:29,257 INFO L130 BoogieDeclarations]: Found specification of procedure tlan_store_skb [2021-12-22 15:13:29,258 INFO L138 BoogieDeclarations]: Found implementation of procedure tlan_store_skb [2021-12-22 15:13:29,258 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-22 15:13:29,258 INFO L130 BoogieDeclarations]: Found specification of procedure __request_region [2021-12-22 15:13:29,258 INFO L130 BoogieDeclarations]: Found specification of procedure tlan_tx_timeout [2021-12-22 15:13:29,258 INFO L138 BoogieDeclarations]: Found implementation of procedure tlan_tx_timeout [2021-12-22 15:13:29,258 INFO L130 BoogieDeclarations]: Found specification of procedure inw [2021-12-22 15:13:29,259 INFO L138 BoogieDeclarations]: Found implementation of procedure inw [2021-12-22 15:13:29,259 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_netdev [2021-12-22 15:13:29,259 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_netdev [2021-12-22 15:13:29,259 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-22 15:13:29,259 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-22 15:13:29,259 INFO L130 BoogieDeclarations]: Found specification of procedure preempt_count [2021-12-22 15:13:29,259 INFO L138 BoogieDeclarations]: Found implementation of procedure preempt_count [2021-12-22 15:13:29,941 INFO L234 CfgBuilder]: Building ICFG [2021-12-22 15:13:29,943 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-22 15:13:30,310 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2021-12-22 15:13:32,324 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint L7041-1: tlan_eisa_probe_~tmp___2~2#1 := tlan_eisa_probe_#t~ret320#1;havoc tlan_eisa_probe_#t~ret320#1; [2021-12-22 15:13:32,324 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint L7041: SUMMARY for call tlan_eisa_probe_#t~ret320#1 := inw((if (3200 + tlan_eisa_probe_~ioaddr~0#1) % 4294967296 % 4294967296 <= 2147483647 then (3200 + tlan_eisa_probe_~ioaddr~0#1) % 4294967296 % 4294967296 else (3200 + tlan_eisa_probe_~ioaddr~0#1) % 4294967296 % 4294967296 - 4294967296)); srcloc: null [2021-12-22 15:13:32,325 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint L7042: assume 4366 != tlan_eisa_probe_~tmp___2~2#1 % 65536 % 4294967296; [2021-12-22 15:13:32,325 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint L7042: assume !(4366 != tlan_eisa_probe_~tmp___2~2#1 % 65536 % 4294967296); [2021-12-22 15:13:32,325 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint L7043: SUMMARY for call __release_region(~#ioport_resource~0.base, ~#ioport_resource~0.offset, tlan_eisa_probe_~ioaddr~0#1, 16); srcloc: null [2021-12-22 15:13:32,325 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint L7047-1: tlan_eisa_probe_~device_id~1#1 := tlan_eisa_probe_#t~ret321#1;havoc tlan_eisa_probe_#t~ret321#1; [2021-12-22 15:13:32,325 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint L7047: SUMMARY for call tlan_eisa_probe_#t~ret321#1 := inw((if (3202 + tlan_eisa_probe_~ioaddr~0#1) % 4294967296 % 4294967296 <= 2147483647 then (3202 + tlan_eisa_probe_~ioaddr~0#1) % 4294967296 % 4294967296 else (3202 + tlan_eisa_probe_~ioaddr~0#1) % 4294967296 % 4294967296 - 4294967296)); srcloc: null [2021-12-22 15:13:32,325 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint L7048: assume 8433 != tlan_eisa_probe_~device_id~1#1 % 65536 % 4294967296 && 16625 != tlan_eisa_probe_~device_id~1#1 % 65536 % 4294967296; [2021-12-22 15:13:32,325 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint L7048: assume !(8433 != tlan_eisa_probe_~device_id~1#1 % 65536 % 4294967296 && 16625 != tlan_eisa_probe_~device_id~1#1 % 65536 % 4294967296); [2021-12-22 15:13:32,325 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint L7049: SUMMARY for call __release_region(~#ioport_resource~0.base, ~#ioport_resource~0.offset, tlan_eisa_probe_~ioaddr~0#1, 16); srcloc: null [2021-12-22 15:13:32,326 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint L7053-1: tlan_eisa_probe_~tmp___3~1#1 := tlan_eisa_probe_#t~ret322#1;havoc tlan_eisa_probe_#t~ret322#1; [2021-12-22 15:13:32,326 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint L7053: SUMMARY for call tlan_eisa_probe_#t~ret322#1 := inb((if (3204 + tlan_eisa_probe_~ioaddr~0#1) % 4294967296 % 4294967296 <= 2147483647 then (3204 + tlan_eisa_probe_~ioaddr~0#1) % 4294967296 % 4294967296 else (3204 + tlan_eisa_probe_~ioaddr~0#1) % 4294967296 % 4294967296 - 4294967296)); srcloc: null [2021-12-22 15:13:32,326 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint L7054: assume 1 != tlan_eisa_probe_~tmp___3~1#1 % 256 % 4294967296; [2021-12-22 15:13:32,326 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint L7054: assume !(1 != tlan_eisa_probe_~tmp___3~1#1 % 256 % 4294967296); [2021-12-22 15:13:32,326 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint L7055-1: assume 16 == ~debug~0;havoc tlan_eisa_probe_#t~nondet328#1; [2021-12-22 15:13:32,326 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint L7055-1: assume !(16 == ~debug~0); [2021-12-22 15:13:32,326 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint L7055: SUMMARY for call __release_region(~#ioport_resource~0.base, ~#ioport_resource~0.offset, tlan_eisa_probe_~ioaddr~0#1, 16); srcloc: null [2021-12-22 15:13:32,326 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint L7059: assume 16 == ~debug~0;havoc tlan_eisa_probe_#t~nondet323#1; [2021-12-22 15:13:32,326 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint L7059: assume !(16 == ~debug~0); [2021-12-22 15:13:32,327 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint L7059-2: SUMMARY for call tlan_eisa_probe_#t~ret324#1 := inb((if (3264 + tlan_eisa_probe_~ioaddr~0#1) % 4294967296 % 4294967296 <= 2147483647 then (3264 + tlan_eisa_probe_~ioaddr~0#1) % 4294967296 % 4294967296 else (3264 + tlan_eisa_probe_~ioaddr~0#1) % 4294967296 % 4294967296 - 4294967296)); srcloc: null [2021-12-22 15:13:32,327 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint L7063: tlan_eisa_probe_~tmp___4~0#1 := tlan_eisa_probe_#t~ret324#1;havoc tlan_eisa_probe_#t~ret324#1;tlan_eisa_probe_#t~switch325#1 := 16 == tlan_eisa_probe_~tmp___4~0#1 % 256; [2021-12-22 15:13:32,327 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint L7064: havoc tlan_eisa_probe_#t~switch325#1; [2021-12-22 15:13:32,327 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint L7065: assume tlan_eisa_probe_#t~switch325#1;tlan_eisa_probe_~irq~0#1 := 5; [2021-12-22 15:13:32,327 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint L7065: assume !tlan_eisa_probe_#t~switch325#1;tlan_eisa_probe_#t~switch325#1 := tlan_eisa_probe_#t~switch325#1 || 32 == tlan_eisa_probe_~tmp___4~0#1 % 256; [2021-12-22 15:13:32,327 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint L7068: assume tlan_eisa_probe_#t~switch325#1;tlan_eisa_probe_~irq~0#1 := 9; [2021-12-22 15:13:32,327 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint L7068: assume !tlan_eisa_probe_#t~switch325#1;tlan_eisa_probe_#t~switch325#1 := tlan_eisa_probe_#t~switch325#1 || 64 == tlan_eisa_probe_~tmp___4~0#1 % 256; [2021-12-22 15:13:32,327 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint L7071: assume tlan_eisa_probe_#t~switch325#1;tlan_eisa_probe_~irq~0#1 := 10; [2021-12-22 15:13:32,327 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint L7071: assume !tlan_eisa_probe_#t~switch325#1;tlan_eisa_probe_#t~switch325#1 := tlan_eisa_probe_#t~switch325#1 || 128 == tlan_eisa_probe_~tmp___4~0#1 % 256; [2021-12-22 15:13:32,328 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint L7074: assume tlan_eisa_probe_#t~switch325#1;tlan_eisa_probe_~irq~0#1 := 11; [2021-12-22 15:13:32,328 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint L7074: assume !tlan_eisa_probe_#t~switch325#1;tlan_eisa_probe_#t~switch325#1 := true; [2021-12-22 15:13:32,328 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint L7077: assume tlan_eisa_probe_#t~switch325#1; [2021-12-22 15:13:32,328 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint L7077: assume !tlan_eisa_probe_#t~switch325#1; [2021-12-22 15:13:32,328 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint L7078: assume 16 == ~debug~0;havoc tlan_eisa_probe_#t~nondet327#1; [2021-12-22 15:13:32,328 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint L7078: assume !(16 == ~debug~0); [2021-12-22 15:13:32,328 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint L7080: SUMMARY for call tlan_eisa_probe_#t~ret326#1 := tlan_probe1(0, 0, tlan_eisa_probe_~ioaddr~0#1, tlan_eisa_probe_~irq~0#1, 12, 0, 0); srcloc: null [2021-12-22 15:13:32,328 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint L7081: assume -2147483648 <= tlan_eisa_probe_#t~ret326#1 && tlan_eisa_probe_#t~ret326#1 <= 2147483647;tlan_eisa_probe_~rc~3#1 := tlan_eisa_probe_#t~ret326#1;havoc tlan_eisa_probe_#t~ret326#1; [2021-12-22 15:13:32,329 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint L7021-1: assume 0 != ~bitwiseAnd(~debug~0, 16); [2021-12-22 15:13:32,329 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint L7021-1: assume !(0 != ~bitwiseAnd(~debug~0, 16)); [2021-12-22 15:13:32,329 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint L7022: SUMMARY for call tlan_eisa_probe_#t~ret314#1 := inw((if (3200 + tlan_eisa_probe_~ioaddr~0#1) % 4294967296 % 4294967296 <= 2147483647 then (3200 + tlan_eisa_probe_~ioaddr~0#1) % 4294967296 % 4294967296 else (3200 + tlan_eisa_probe_~ioaddr~0#1) % 4294967296 % 4294967296 - 4294967296)); srcloc: null [2021-12-22 15:13:32,329 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint L7022-1: tlan_eisa_probe_~tmp~38#1 := tlan_eisa_probe_#t~ret314#1;havoc tlan_eisa_probe_#t~ret314#1;havoc tlan_eisa_probe_#t~nondet315#1; [2021-12-22 15:13:32,329 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint L7090-1: tlan_eisa_probe_~ioaddr~0#1 := 4096 + tlan_eisa_probe_~ioaddr~0#1; [2021-12-22 15:13:32,329 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint L7026-1: assume 0 != ~bitwiseAnd(~debug~0, 16);havoc tlan_eisa_probe_#t~nondet318#1; [2021-12-22 15:13:32,329 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint L7026-1: assume !(0 != ~bitwiseAnd(~debug~0, 16)); [2021-12-22 15:13:32,329 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint L7027-1: tlan_eisa_probe_~tmp___0~11#1 := tlan_eisa_probe_#t~ret316#1;havoc tlan_eisa_probe_#t~ret316#1;havoc tlan_eisa_probe_#t~nondet317#1; [2021-12-22 15:13:32,329 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint L7027: SUMMARY for call tlan_eisa_probe_#t~ret316#1 := inw((if (3202 + tlan_eisa_probe_~ioaddr~0#1) % 4294967296 % 4294967296 <= 2147483647 then (3202 + tlan_eisa_probe_~ioaddr~0#1) % 4294967296 % 4294967296 else (3202 + tlan_eisa_probe_~ioaddr~0#1) % 4294967296 % 4294967296 - 4294967296)); srcloc: null [2021-12-22 15:13:32,330 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint L7031-1: call tlan_eisa_probe_#t~ret319#1.base, tlan_eisa_probe_#t~ret319#1.offset := __request_region(~#ioport_resource~0.base, ~#ioport_resource~0.offset, tlan_eisa_probe_~ioaddr~0#1, 16, ~#tlan_signature~0.base, ~#tlan_signature~0.offset, 0);tlan_eisa_probe_~tmp___1~4#1.base, tlan_eisa_probe_~tmp___1~4#1.offset := tlan_eisa_probe_#t~ret319#1.base, tlan_eisa_probe_#t~ret319#1.offset;havoc tlan_eisa_probe_#t~ret319#1.base, tlan_eisa_probe_#t~ret319#1.offset; [2021-12-22 15:13:32,330 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint L7097: assume tlan_eisa_probe_~ioaddr~0#1 <= 36863; [2021-12-22 15:13:32,330 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint L7097: assume !(tlan_eisa_probe_~ioaddr~0#1 <= 36863); [2021-12-22 15:13:32,330 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint L7099: assume 0 != ~bitwiseAnd(~debug~0, 16); [2021-12-22 15:13:32,330 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint L7099: assume !(0 != ~bitwiseAnd(~debug~0, 16)); [2021-12-22 15:13:32,330 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint L7037: assume 0 == (tlan_eisa_probe_~tmp___1~4#1.base + tlan_eisa_probe_~tmp___1~4#1.offset) % 18446744073709551616; [2021-12-22 15:13:32,330 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint L7037: assume !(0 == (tlan_eisa_probe_~tmp___1~4#1.base + tlan_eisa_probe_~tmp___1~4#1.offset) % 18446744073709551616); [2021-12-22 15:13:32,396 INFO L275 CfgBuilder]: Performing block encoding [2021-12-22 15:13:32,409 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-22 15:13:32,409 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2021-12-22 15:13:32,412 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.12 03:13:32 BoogieIcfgContainer [2021-12-22 15:13:32,412 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-22 15:13:32,413 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-22 15:13:32,413 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-22 15:13:32,416 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-22 15:13:32,416 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.12 03:13:26" (1/3) ... [2021-12-22 15:13:32,417 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7198c3be and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.12 03:13:32, skipping insertion in model container [2021-12-22 15:13:32,417 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 03:13:28" (2/3) ... [2021-12-22 15:13:32,417 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7198c3be and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.12 03:13:32, skipping insertion in model container [2021-12-22 15:13:32,417 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.12 03:13:32" (3/3) ... [2021-12-22 15:13:32,418 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-43_2a-drivers--net--ethernet--ti--tlan.ko-entry_point.cil.out.i [2021-12-22 15:13:32,422 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-22 15:13:32,422 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-12-22 15:13:32,458 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-22 15:13:32,463 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 15:13:32,463 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-12-22 15:13:32,549 INFO L276 IsEmpty]: Start isEmpty. Operand has 2023 states, 1352 states have (on average 1.3150887573964498) internal successors, (1778), 1400 states have internal predecessors, (1778), 570 states have call successors, (570), 100 states have call predecessors, (570), 99 states have return successors, (562), 551 states have call predecessors, (562), 562 states have call successors, (562) [2021-12-22 15:13:32,563 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 198 [2021-12-22 15:13:32,563 INFO L506 BasicCegarLoop]: Found error trace [2021-12-22 15:13:32,564 INFO L514 BasicCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2021-12-22 15:13:32,564 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-22 15:13:32,568 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-22 15:13:32,569 INFO L85 PathProgramCache]: Analyzing trace with hash 2063791026, now seen corresponding path program 1 times [2021-12-22 15:13:32,574 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-22 15:13:32,575 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [53853771] [2021-12-22 15:13:32,575 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-22 15:13:32,576 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-22 15:13:32,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:13:33,090 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-22 15:13:33,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:13:33,104 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:13:33,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:13:33,112 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-22 15:13:33,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:13:33,124 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-22 15:13:33,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:13:33,160 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:13:33,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:13:33,167 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-22 15:13:33,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:13:33,176 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-12-22 15:13:33,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:13:33,186 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:13:33,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:13:33,192 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-22 15:13:33,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:13:33,198 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-12-22 15:13:33,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:13:33,215 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:13:33,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:13:33,226 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-22 15:13:33,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:13:33,238 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2021-12-22 15:13:33,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:13:33,257 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:13:33,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:13:33,280 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-22 15:13:33,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:13:33,287 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2021-12-22 15:13:33,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:13:33,297 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:13:33,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:13:33,304 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-22 15:13:33,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:13:33,311 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2021-12-22 15:13:33,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:13:33,321 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:13:33,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:13:33,327 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-22 15:13:33,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:13:33,339 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2021-12-22 15:13:33,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:13:33,349 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:13:33,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:13:33,356 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2021-12-22 15:13:33,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:13:33,365 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:13:33,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:13:33,372 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2021-12-22 15:13:33,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:13:33,381 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:13:33,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:13:33,389 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2021-12-22 15:13:33,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:13:33,412 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:13:33,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:13:33,417 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2021-12-22 15:13:33,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:13:33,437 INFO L134 CoverageAnalysis]: Checked inductivity of 324 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 324 trivial. 0 not checked. [2021-12-22 15:13:33,437 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-22 15:13:33,438 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [53853771] [2021-12-22 15:13:33,438 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [53853771] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-22 15:13:33,438 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-22 15:13:33,438 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-22 15:13:33,439 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1820936525] [2021-12-22 15:13:33,440 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-22 15:13:33,443 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-22 15:13:33,443 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-22 15:13:33,460 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-22 15:13:33,461 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-12-22 15:13:33,466 INFO L87 Difference]: Start difference. First operand has 2023 states, 1352 states have (on average 1.3150887573964498) internal successors, (1778), 1400 states have internal predecessors, (1778), 570 states have call successors, (570), 100 states have call predecessors, (570), 99 states have return successors, (562), 551 states have call predecessors, (562), 562 states have call successors, (562) Second operand has 6 states, 6 states have (on average 10.666666666666666) internal successors, (64), 3 states have internal predecessors, (64), 2 states have call successors, (21), 5 states have call predecessors, (21), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2021-12-22 15:13:41,600 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-22 15:13:41,601 INFO L93 Difference]: Finished difference Result 6149 states and 8957 transitions. [2021-12-22 15:13:41,602 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-22 15:13:41,603 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 10.666666666666666) internal successors, (64), 3 states have internal predecessors, (64), 2 states have call successors, (21), 5 states have call predecessors, (21), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) Word has length 197 [2021-12-22 15:13:41,604 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-22 15:13:41,657 INFO L225 Difference]: With dead ends: 6149 [2021-12-22 15:13:41,657 INFO L226 Difference]: Without dead ends: 4052 [2021-12-22 15:13:41,672 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 69 GetRequests, 62 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=29, Invalid=43, Unknown=0, NotChecked=0, Total=72 [2021-12-22 15:13:41,674 INFO L933 BasicCegarLoop]: 2993 mSDtfsCounter, 4555 mSDsluCounter, 4993 mSDsCounter, 0 mSdLazyCounter, 4185 mSolverCounterSat, 3778 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4781 SdHoareTripleChecker+Valid, 7986 SdHoareTripleChecker+Invalid, 7963 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 3778 IncrementalHoareTripleChecker+Valid, 4185 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.5s IncrementalHoareTripleChecker+Time [2021-12-22 15:13:41,675 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4781 Valid, 7986 Invalid, 7963 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [3778 Valid, 4185 Invalid, 0 Unknown, 0 Unchecked, 7.5s Time] [2021-12-22 15:13:41,692 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4052 states. [2021-12-22 15:13:41,864 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4052 to 3656. [2021-12-22 15:13:41,871 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3656 states, 2427 states have (on average 1.3011948908117017) internal successors, (3158), 2511 states have internal predecessors, (3158), 1043 states have call successors, (1043), 185 states have call predecessors, (1043), 185 states have return successors, (1046), 1014 states have call predecessors, (1046), 1042 states have call successors, (1046) [2021-12-22 15:13:41,897 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3656 states to 3656 states and 5247 transitions. [2021-12-22 15:13:41,899 INFO L78 Accepts]: Start accepts. Automaton has 3656 states and 5247 transitions. Word has length 197 [2021-12-22 15:13:41,900 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-22 15:13:41,900 INFO L470 AbstractCegarLoop]: Abstraction has 3656 states and 5247 transitions. [2021-12-22 15:13:41,901 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 10.666666666666666) internal successors, (64), 3 states have internal predecessors, (64), 2 states have call successors, (21), 5 states have call predecessors, (21), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2021-12-22 15:13:41,901 INFO L276 IsEmpty]: Start isEmpty. Operand 3656 states and 5247 transitions. [2021-12-22 15:13:41,905 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 191 [2021-12-22 15:13:41,905 INFO L506 BasicCegarLoop]: Found error trace [2021-12-22 15:13:41,905 INFO L514 BasicCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2021-12-22 15:13:41,906 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-12-22 15:13:41,906 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-22 15:13:41,906 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-22 15:13:41,907 INFO L85 PathProgramCache]: Analyzing trace with hash 1014293796, now seen corresponding path program 1 times [2021-12-22 15:13:41,907 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-22 15:13:41,907 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [12875076] [2021-12-22 15:13:41,907 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-22 15:13:41,907 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-22 15:13:41,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:13:42,065 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-22 15:13:42,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:13:42,076 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:13:42,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:13:42,082 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-22 15:13:42,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:13:42,088 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-22 15:13:42,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:13:42,099 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:13:42,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:13:42,105 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-22 15:13:42,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:13:42,111 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-12-22 15:13:42,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:13:42,119 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:13:42,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:13:42,125 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-22 15:13:42,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:13:42,131 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-12-22 15:13:42,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:13:42,140 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:13:42,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:13:42,145 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-22 15:13:42,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:13:42,154 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2021-12-22 15:13:42,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:13:42,163 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:13:42,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:13:42,169 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-22 15:13:42,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:13:42,177 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2021-12-22 15:13:42,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:13:42,186 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:13:42,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:13:42,194 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-22 15:13:42,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:13:42,200 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2021-12-22 15:13:42,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:13:42,213 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:13:42,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:13:42,219 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-22 15:13:42,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:13:42,230 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2021-12-22 15:13:42,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:13:42,240 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:13:42,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:13:42,248 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2021-12-22 15:13:42,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:13:42,258 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:13:42,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:13:42,274 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2021-12-22 15:13:42,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:13:42,286 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:13:42,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:13:42,296 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2021-12-22 15:13:42,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:13:42,313 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:13:42,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:13:42,319 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2021-12-22 15:13:42,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:13:42,326 INFO L134 CoverageAnalysis]: Checked inductivity of 324 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 324 trivial. 0 not checked. [2021-12-22 15:13:42,326 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-22 15:13:42,327 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [12875076] [2021-12-22 15:13:42,327 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [12875076] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-22 15:13:42,327 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-22 15:13:42,327 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-22 15:13:42,327 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2110873949] [2021-12-22 15:13:42,327 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-22 15:13:42,329 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-22 15:13:42,329 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-22 15:13:42,330 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-22 15:13:42,330 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-12-22 15:13:42,330 INFO L87 Difference]: Start difference. First operand 3656 states and 5247 transitions. Second operand has 6 states, 6 states have (on average 9.333333333333334) internal successors, (56), 3 states have internal predecessors, (56), 2 states have call successors, (22), 5 states have call predecessors, (22), 2 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2021-12-22 15:13:46,588 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-22 15:13:46,588 INFO L93 Difference]: Finished difference Result 7732 states and 11167 transitions. [2021-12-22 15:13:46,589 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-12-22 15:13:46,589 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 9.333333333333334) internal successors, (56), 3 states have internal predecessors, (56), 2 states have call successors, (22), 5 states have call predecessors, (22), 2 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) Word has length 190 [2021-12-22 15:13:46,591 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-22 15:13:46,620 INFO L225 Difference]: With dead ends: 7732 [2021-12-22 15:13:46,621 INFO L226 Difference]: Without dead ends: 4105 [2021-12-22 15:13:46,647 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 67 GetRequests, 61 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-12-22 15:13:46,649 INFO L933 BasicCegarLoop]: 2504 mSDtfsCounter, 1660 mSDsluCounter, 3885 mSDsCounter, 0 mSdLazyCounter, 2553 mSolverCounterSat, 1781 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1690 SdHoareTripleChecker+Valid, 6389 SdHoareTripleChecker+Invalid, 4334 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1781 IncrementalHoareTripleChecker+Valid, 2553 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.9s IncrementalHoareTripleChecker+Time [2021-12-22 15:13:46,649 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1690 Valid, 6389 Invalid, 4334 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1781 Valid, 2553 Invalid, 0 Unknown, 0 Unchecked, 3.9s Time] [2021-12-22 15:13:46,655 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4105 states. [2021-12-22 15:13:46,771 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4105 to 3660. [2021-12-22 15:13:46,777 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3660 states, 2431 states have (on average 1.3006993006993006) internal successors, (3162), 2515 states have internal predecessors, (3162), 1043 states have call successors, (1043), 185 states have call predecessors, (1043), 185 states have return successors, (1046), 1014 states have call predecessors, (1046), 1042 states have call successors, (1046) [2021-12-22 15:13:46,794 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3660 states to 3660 states and 5251 transitions. [2021-12-22 15:13:46,795 INFO L78 Accepts]: Start accepts. Automaton has 3660 states and 5251 transitions. Word has length 190 [2021-12-22 15:13:46,797 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-22 15:13:46,798 INFO L470 AbstractCegarLoop]: Abstraction has 3660 states and 5251 transitions. [2021-12-22 15:13:46,798 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 9.333333333333334) internal successors, (56), 3 states have internal predecessors, (56), 2 states have call successors, (22), 5 states have call predecessors, (22), 2 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2021-12-22 15:13:46,798 INFO L276 IsEmpty]: Start isEmpty. Operand 3660 states and 5251 transitions. [2021-12-22 15:13:46,803 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 209 [2021-12-22 15:13:46,803 INFO L506 BasicCegarLoop]: Found error trace [2021-12-22 15:13:46,804 INFO L514 BasicCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2021-12-22 15:13:46,804 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-12-22 15:13:46,804 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-22 15:13:46,804 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-22 15:13:46,805 INFO L85 PathProgramCache]: Analyzing trace with hash -467895779, now seen corresponding path program 1 times [2021-12-22 15:13:46,805 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-22 15:13:46,805 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1513309602] [2021-12-22 15:13:46,805 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-22 15:13:46,805 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-22 15:13:46,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:13:47,029 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-22 15:13:47,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:13:47,040 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:13:47,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:13:47,051 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-22 15:13:47,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:13:47,058 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-22 15:13:47,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:13:47,067 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:13:47,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:13:47,073 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-22 15:13:47,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:13:47,078 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-12-22 15:13:47,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:13:47,085 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:13:47,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:13:47,091 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-22 15:13:47,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:13:47,099 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-12-22 15:13:47,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:13:47,109 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:13:47,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:13:47,115 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-22 15:13:47,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:13:47,121 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2021-12-22 15:13:47,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:13:47,129 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:13:47,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:13:47,134 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-22 15:13:47,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:13:47,139 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2021-12-22 15:13:47,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:13:47,149 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:13:47,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:13:47,155 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-22 15:13:47,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:13:47,161 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2021-12-22 15:13:47,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:13:47,173 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:13:47,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:13:47,179 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-22 15:13:47,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:13:47,191 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2021-12-22 15:13:47,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:13:47,198 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:13:47,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:13:47,205 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2021-12-22 15:13:47,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:13:47,213 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:13:47,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:13:47,220 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2021-12-22 15:13:47,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:13:47,230 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:13:47,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:13:47,238 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2021-12-22 15:13:47,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:13:47,261 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:13:47,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:13:47,267 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2021-12-22 15:13:47,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:13:47,274 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-22 15:13:47,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:13:47,280 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 193 [2021-12-22 15:13:47,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:13:47,286 INFO L134 CoverageAnalysis]: Checked inductivity of 329 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 328 trivial. 0 not checked. [2021-12-22 15:13:47,286 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-22 15:13:47,286 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1513309602] [2021-12-22 15:13:47,286 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1513309602] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-22 15:13:47,286 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2025497951] [2021-12-22 15:13:47,287 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-22 15:13:47,287 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-22 15:13:47,287 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-22 15:13:47,304 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-22 15:13:47,307 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-12-22 15:13:48,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:13:48,032 INFO L263 TraceCheckSpWp]: Trace formula consists of 3240 conjuncts, 2 conjunts are in the unsatisfiable core [2021-12-22 15:13:48,063 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-22 15:13:48,300 INFO L134 CoverageAnalysis]: Checked inductivity of 329 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 329 trivial. 0 not checked. [2021-12-22 15:13:48,300 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-22 15:13:48,300 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2025497951] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-22 15:13:48,301 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-12-22 15:13:48,301 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [7] total 8 [2021-12-22 15:13:48,301 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2025382868] [2021-12-22 15:13:48,301 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-22 15:13:48,303 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-22 15:13:48,303 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-22 15:13:48,304 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-22 15:13:48,304 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2021-12-22 15:13:48,304 INFO L87 Difference]: Start difference. First operand 3660 states and 5251 transitions. Second operand has 3 states, 3 states have (on average 22.666666666666668) internal successors, (68), 3 states have internal predecessors, (68), 2 states have call successors, (24), 2 states have call predecessors, (24), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) [2021-12-22 15:13:48,465 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-22 15:13:48,466 INFO L93 Difference]: Finished difference Result 7321 states and 10535 transitions. [2021-12-22 15:13:48,467 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-22 15:13:48,467 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 22.666666666666668) internal successors, (68), 3 states have internal predecessors, (68), 2 states have call successors, (24), 2 states have call predecessors, (24), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) Word has length 208 [2021-12-22 15:13:48,468 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-22 15:13:48,492 INFO L225 Difference]: With dead ends: 7321 [2021-12-22 15:13:48,492 INFO L226 Difference]: Without dead ends: 3690 [2021-12-22 15:13:48,515 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 276 GetRequests, 270 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2021-12-22 15:13:48,518 INFO L933 BasicCegarLoop]: 2843 mSDtfsCounter, 9 mSDsluCounter, 2834 mSDsCounter, 0 mSdLazyCounter, 17 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 13 SdHoareTripleChecker+Valid, 5677 SdHoareTripleChecker+Invalid, 20 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 17 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-12-22 15:13:48,520 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [13 Valid, 5677 Invalid, 20 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 17 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-12-22 15:13:48,525 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3690 states. [2021-12-22 15:13:48,629 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3690 to 3674. [2021-12-22 15:13:48,636 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3674 states, 2443 states have (on average 1.3000409332787557) internal successors, (3176), 2527 states have internal predecessors, (3176), 1045 states have call successors, (1045), 185 states have call predecessors, (1045), 185 states have return successors, (1048), 1016 states have call predecessors, (1048), 1044 states have call successors, (1048) [2021-12-22 15:13:48,653 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3674 states to 3674 states and 5269 transitions. [2021-12-22 15:13:48,655 INFO L78 Accepts]: Start accepts. Automaton has 3674 states and 5269 transitions. Word has length 208 [2021-12-22 15:13:48,656 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-22 15:13:48,656 INFO L470 AbstractCegarLoop]: Abstraction has 3674 states and 5269 transitions. [2021-12-22 15:13:48,657 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 22.666666666666668) internal successors, (68), 3 states have internal predecessors, (68), 2 states have call successors, (24), 2 states have call predecessors, (24), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) [2021-12-22 15:13:48,657 INFO L276 IsEmpty]: Start isEmpty. Operand 3674 states and 5269 transitions. [2021-12-22 15:13:48,660 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 210 [2021-12-22 15:13:48,661 INFO L506 BasicCegarLoop]: Found error trace [2021-12-22 15:13:48,661 INFO L514 BasicCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 15:13:48,725 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2021-12-22 15:13:48,875 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-22 15:13:48,875 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-22 15:13:48,876 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-22 15:13:48,876 INFO L85 PathProgramCache]: Analyzing trace with hash -175224482, now seen corresponding path program 1 times [2021-12-22 15:13:48,876 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-22 15:13:48,876 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1733636284] [2021-12-22 15:13:48,876 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-22 15:13:48,877 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-22 15:13:48,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:13:49,027 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-22 15:13:49,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:13:49,037 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:13:49,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:13:49,043 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-22 15:13:49,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:13:49,048 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-22 15:13:49,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:13:49,060 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:13:49,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:13:49,065 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-22 15:13:49,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:13:49,072 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-12-22 15:13:49,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:13:49,084 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:13:49,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:13:49,090 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-22 15:13:49,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:13:49,095 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-12-22 15:13:49,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:13:49,102 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:13:49,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:13:49,108 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-22 15:13:49,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:13:49,113 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2021-12-22 15:13:49,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:13:49,122 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:13:49,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:13:49,127 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-22 15:13:49,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:13:49,134 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2021-12-22 15:13:49,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:13:49,142 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:13:49,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:13:49,148 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-22 15:13:49,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:13:49,157 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2021-12-22 15:13:49,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:13:49,166 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:13:49,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:13:49,171 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-22 15:13:49,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:13:49,182 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2021-12-22 15:13:49,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:13:49,191 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:13:49,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:13:49,197 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2021-12-22 15:13:49,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:13:49,204 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:13:49,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:13:49,209 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2021-12-22 15:13:49,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:13:49,218 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:13:49,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:13:49,224 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2021-12-22 15:13:49,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:13:49,231 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2021-12-22 15:13:49,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:13:49,236 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2021-12-22 15:13:49,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:13:49,242 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:13:49,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:13:49,255 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2021-12-22 15:13:49,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:13:49,265 INFO L134 CoverageAnalysis]: Checked inductivity of 322 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 322 trivial. 0 not checked. [2021-12-22 15:13:49,265 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-22 15:13:49,265 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1733636284] [2021-12-22 15:13:49,266 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1733636284] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-22 15:13:49,266 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-22 15:13:49,266 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-22 15:13:49,266 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1569803025] [2021-12-22 15:13:49,266 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-22 15:13:49,267 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-22 15:13:49,267 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-22 15:13:49,267 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-22 15:13:49,267 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-12-22 15:13:49,268 INFO L87 Difference]: Start difference. First operand 3674 states and 5269 transitions. Second operand has 6 states, 6 states have (on average 12.166666666666666) internal successors, (73), 3 states have internal predecessors, (73), 2 states have call successors, (24), 5 states have call predecessors, (24), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2021-12-22 15:13:55,588 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-22 15:13:55,589 INFO L93 Difference]: Finished difference Result 11184 states and 16153 transitions. [2021-12-22 15:13:55,589 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-22 15:13:55,589 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 12.166666666666666) internal successors, (73), 3 states have internal predecessors, (73), 2 states have call successors, (24), 5 states have call predecessors, (24), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) Word has length 209 [2021-12-22 15:13:55,589 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-22 15:13:55,634 INFO L225 Difference]: With dead ends: 11184 [2021-12-22 15:13:55,635 INFO L226 Difference]: Without dead ends: 7539 [2021-12-22 15:13:55,654 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 73 GetRequests, 66 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=29, Invalid=43, Unknown=0, NotChecked=0, Total=72 [2021-12-22 15:13:55,655 INFO L933 BasicCegarLoop]: 3445 mSDtfsCounter, 4456 mSDsluCounter, 4428 mSDsCounter, 0 mSdLazyCounter, 3582 mSolverCounterSat, 3575 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4689 SdHoareTripleChecker+Valid, 7873 SdHoareTripleChecker+Invalid, 7157 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 3575 IncrementalHoareTripleChecker+Valid, 3582 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.9s IncrementalHoareTripleChecker+Time [2021-12-22 15:13:55,656 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4689 Valid, 7873 Invalid, 7157 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [3575 Valid, 3582 Invalid, 0 Unknown, 0 Unchecked, 5.9s Time] [2021-12-22 15:13:55,663 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7539 states. [2021-12-22 15:13:55,876 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7539 to 6772. [2021-12-22 15:13:55,896 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6772 states, 4455 states have (on average 1.2962962962962963) internal successors, (5775), 4606 states have internal predecessors, (5775), 1980 states have call successors, (1980), 336 states have call predecessors, (1980), 336 states have return successors, (1983), 1929 states have call predecessors, (1983), 1979 states have call successors, (1983) [2021-12-22 15:13:55,931 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6772 states to 6772 states and 9738 transitions. [2021-12-22 15:13:55,933 INFO L78 Accepts]: Start accepts. Automaton has 6772 states and 9738 transitions. Word has length 209 [2021-12-22 15:13:55,934 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-22 15:13:55,934 INFO L470 AbstractCegarLoop]: Abstraction has 6772 states and 9738 transitions. [2021-12-22 15:13:55,935 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 12.166666666666666) internal successors, (73), 3 states have internal predecessors, (73), 2 states have call successors, (24), 5 states have call predecessors, (24), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2021-12-22 15:13:55,935 INFO L276 IsEmpty]: Start isEmpty. Operand 6772 states and 9738 transitions. [2021-12-22 15:13:55,938 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 211 [2021-12-22 15:13:55,938 INFO L506 BasicCegarLoop]: Found error trace [2021-12-22 15:13:55,938 INFO L514 BasicCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2021-12-22 15:13:55,938 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-12-22 15:13:55,938 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-22 15:13:55,939 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-22 15:13:55,939 INFO L85 PathProgramCache]: Analyzing trace with hash 254280217, now seen corresponding path program 1 times [2021-12-22 15:13:55,939 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-22 15:13:55,939 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1627627236] [2021-12-22 15:13:55,939 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-22 15:13:55,939 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-22 15:13:56,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:13:56,123 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-22 15:13:56,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:13:56,132 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:13:56,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:13:56,137 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-22 15:13:56,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:13:56,142 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-22 15:13:56,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:13:56,148 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:13:56,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:13:56,152 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-22 15:13:56,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:13:56,156 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-12-22 15:13:56,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:13:56,162 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:13:56,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:13:56,167 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-22 15:13:56,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:13:56,171 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-12-22 15:13:56,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:13:56,178 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:13:56,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:13:56,183 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-22 15:13:56,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:13:56,187 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2021-12-22 15:13:56,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:13:56,193 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:13:56,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:13:56,198 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-22 15:13:56,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:13:56,202 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2021-12-22 15:13:56,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:13:56,209 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:13:56,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:13:56,213 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-22 15:13:56,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:13:56,218 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2021-12-22 15:13:56,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:13:56,225 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:13:56,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:13:56,230 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-22 15:13:56,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:13:56,239 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2021-12-22 15:13:56,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:13:56,245 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:13:56,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:13:56,251 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2021-12-22 15:13:56,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:13:56,257 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:13:56,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:13:56,262 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2021-12-22 15:13:56,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:13:56,268 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:13:56,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:13:56,275 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2021-12-22 15:13:56,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:13:56,295 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:13:56,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:13:56,300 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2021-12-22 15:13:56,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:13:56,305 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-22 15:13:56,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:13:56,310 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 193 [2021-12-22 15:13:56,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:13:56,316 INFO L134 CoverageAnalysis]: Checked inductivity of 330 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 329 trivial. 0 not checked. [2021-12-22 15:13:56,316 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-22 15:13:56,316 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1627627236] [2021-12-22 15:13:56,317 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1627627236] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-22 15:13:56,317 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [954356422] [2021-12-22 15:13:56,317 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-22 15:13:56,317 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-22 15:13:56,317 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-22 15:13:56,318 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-22 15:13:56,360 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2021-12-22 15:13:57,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:13:57,127 INFO L263 TraceCheckSpWp]: Trace formula consists of 3309 conjuncts, 3 conjunts are in the unsatisfiable core [2021-12-22 15:13:57,142 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-22 15:13:57,372 INFO L134 CoverageAnalysis]: Checked inductivity of 330 backedges. 6 proven. 1 refuted. 0 times theorem prover too weak. 323 trivial. 0 not checked. [2021-12-22 15:13:57,372 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-12-22 15:13:57,779 INFO L134 CoverageAnalysis]: Checked inductivity of 330 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 329 trivial. 0 not checked. [2021-12-22 15:13:57,779 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [954356422] provided 0 perfect and 2 imperfect interpolant sequences [2021-12-22 15:13:57,779 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-12-22 15:13:57,779 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 4, 4] total 9 [2021-12-22 15:13:57,779 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1824365661] [2021-12-22 15:13:57,779 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-12-22 15:13:57,780 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2021-12-22 15:13:57,780 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-22 15:13:57,780 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-12-22 15:13:57,780 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2021-12-22 15:13:57,781 INFO L87 Difference]: Start difference. First operand 6772 states and 9738 transitions. Second operand has 9 states, 9 states have (on average 9.555555555555555) internal successors, (86), 6 states have internal predecessors, (86), 4 states have call successors, (40), 5 states have call predecessors, (40), 2 states have return successors, (21), 4 states have call predecessors, (21), 4 states have call successors, (21) [2021-12-22 15:14:02,126 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-22 15:14:02,126 INFO L93 Difference]: Finished difference Result 14673 states and 21250 transitions. [2021-12-22 15:14:02,127 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-12-22 15:14:02,127 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 9.555555555555555) internal successors, (86), 6 states have internal predecessors, (86), 4 states have call successors, (40), 5 states have call predecessors, (40), 2 states have return successors, (21), 4 states have call predecessors, (21), 4 states have call successors, (21) Word has length 210 [2021-12-22 15:14:02,127 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-22 15:14:02,172 INFO L225 Difference]: With dead ends: 14673 [2021-12-22 15:14:02,173 INFO L226 Difference]: Without dead ends: 7934 [2021-12-22 15:14:02,205 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 493 GetRequests, 481 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=68, Invalid=114, Unknown=0, NotChecked=0, Total=182 [2021-12-22 15:14:02,206 INFO L933 BasicCegarLoop]: 2509 mSDtfsCounter, 1931 mSDsluCounter, 3878 mSDsCounter, 0 mSdLazyCounter, 2634 mSolverCounterSat, 1970 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1975 SdHoareTripleChecker+Valid, 6387 SdHoareTripleChecker+Invalid, 4604 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1970 IncrementalHoareTripleChecker+Valid, 2634 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.0s IncrementalHoareTripleChecker+Time [2021-12-22 15:14:02,206 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1975 Valid, 6387 Invalid, 4604 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1970 Valid, 2634 Invalid, 0 Unknown, 0 Unchecked, 4.0s Time] [2021-12-22 15:14:02,213 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7934 states. [2021-12-22 15:14:02,422 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7934 to 6944. [2021-12-22 15:14:02,431 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6944 states, 4579 states have (on average 1.2943874208342432) internal successors, (5927), 4730 states have internal predecessors, (5927), 2028 states have call successors, (2028), 336 states have call predecessors, (2028), 336 states have return successors, (2031), 1977 states have call predecessors, (2031), 2027 states have call successors, (2031) [2021-12-22 15:14:02,461 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6944 states to 6944 states and 9986 transitions. [2021-12-22 15:14:02,464 INFO L78 Accepts]: Start accepts. Automaton has 6944 states and 9986 transitions. Word has length 210 [2021-12-22 15:14:02,465 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-22 15:14:02,465 INFO L470 AbstractCegarLoop]: Abstraction has 6944 states and 9986 transitions. [2021-12-22 15:14:02,465 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 9.555555555555555) internal successors, (86), 6 states have internal predecessors, (86), 4 states have call successors, (40), 5 states have call predecessors, (40), 2 states have return successors, (21), 4 states have call predecessors, (21), 4 states have call successors, (21) [2021-12-22 15:14:02,465 INFO L276 IsEmpty]: Start isEmpty. Operand 6944 states and 9986 transitions. [2021-12-22 15:14:02,469 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 212 [2021-12-22 15:14:02,469 INFO L506 BasicCegarLoop]: Found error trace [2021-12-22 15:14:02,469 INFO L514 BasicCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2021-12-22 15:14:02,495 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2021-12-22 15:14:02,669 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-22 15:14:02,670 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-22 15:14:02,670 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-22 15:14:02,670 INFO L85 PathProgramCache]: Analyzing trace with hash -645362856, now seen corresponding path program 1 times [2021-12-22 15:14:02,670 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-22 15:14:02,670 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [734793146] [2021-12-22 15:14:02,671 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-22 15:14:02,671 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-22 15:14:02,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:14:02,847 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-22 15:14:02,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:14:02,859 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:14:02,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:14:02,863 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-22 15:14:02,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:14:02,868 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-22 15:14:02,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:14:02,880 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:14:02,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:14:02,885 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-22 15:14:02,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:14:02,890 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-12-22 15:14:02,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:14:02,950 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:14:02,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:14:02,954 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-22 15:14:02,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:14:02,959 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-12-22 15:14:02,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:14:02,968 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:14:02,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:14:02,973 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-22 15:14:02,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:14:02,978 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2021-12-22 15:14:02,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:14:02,988 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:14:02,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:14:02,993 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-22 15:14:02,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:14:02,997 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2021-12-22 15:14:03,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:14:03,007 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:14:03,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:14:03,012 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-22 15:14:03,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:14:03,017 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2021-12-22 15:14:03,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:14:03,028 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:14:03,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:14:03,035 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-22 15:14:03,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:14:03,046 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2021-12-22 15:14:03,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:14:03,055 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:14:03,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:14:03,060 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2021-12-22 15:14:03,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:14:03,070 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:14:03,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:14:03,075 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2021-12-22 15:14:03,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:14:03,084 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:14:03,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:14:03,089 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2021-12-22 15:14:03,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:14:03,098 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2021-12-22 15:14:03,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:14:03,103 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2021-12-22 15:14:03,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:14:03,112 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 183 [2021-12-22 15:14:03,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:14:03,117 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 193 [2021-12-22 15:14:03,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:14:03,123 INFO L134 CoverageAnalysis]: Checked inductivity of 324 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 324 trivial. 0 not checked. [2021-12-22 15:14:03,123 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-22 15:14:03,123 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [734793146] [2021-12-22 15:14:03,123 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [734793146] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-22 15:14:03,124 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-22 15:14:03,124 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-12-22 15:14:03,124 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [164500361] [2021-12-22 15:14:03,124 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-22 15:14:03,124 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2021-12-22 15:14:03,125 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-22 15:14:03,125 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-12-22 15:14:03,125 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2021-12-22 15:14:03,125 INFO L87 Difference]: Start difference. First operand 6944 states and 9986 transitions. Second operand has 9 states, 9 states have (on average 8.222222222222221) internal successors, (74), 4 states have internal predecessors, (74), 3 states have call successors, (23), 7 states have call predecessors, (23), 1 states have return successors, (18), 3 states have call predecessors, (18), 3 states have call successors, (18) [2021-12-22 15:14:15,547 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-22 15:14:15,547 INFO L93 Difference]: Finished difference Result 26084 states and 39261 transitions. [2021-12-22 15:14:15,548 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-12-22 15:14:15,548 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 8.222222222222221) internal successors, (74), 4 states have internal predecessors, (74), 3 states have call successors, (23), 7 states have call predecessors, (23), 1 states have return successors, (18), 3 states have call predecessors, (18), 3 states have call successors, (18) Word has length 211 [2021-12-22 15:14:15,548 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-22 15:14:15,666 INFO L225 Difference]: With dead ends: 26084 [2021-12-22 15:14:15,666 INFO L226 Difference]: Without dead ends: 19173 [2021-12-22 15:14:15,707 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 87 GetRequests, 68 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 81 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=138, Invalid=282, Unknown=0, NotChecked=0, Total=420 [2021-12-22 15:14:15,708 INFO L933 BasicCegarLoop]: 2756 mSDtfsCounter, 7999 mSDsluCounter, 10609 mSDsCounter, 0 mSdLazyCounter, 9967 mSolverCounterSat, 7491 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8384 SdHoareTripleChecker+Valid, 13365 SdHoareTripleChecker+Invalid, 17458 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 7491 IncrementalHoareTripleChecker+Valid, 9967 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 11.4s IncrementalHoareTripleChecker+Time [2021-12-22 15:14:15,708 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [8384 Valid, 13365 Invalid, 17458 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [7491 Valid, 9967 Invalid, 0 Unknown, 0 Unchecked, 11.4s Time] [2021-12-22 15:14:15,726 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19173 states. [2021-12-22 15:14:16,331 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19173 to 13848. [2021-12-22 15:14:16,349 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13848 states, 9129 states have (on average 1.2941176470588236) internal successors, (11814), 9447 states have internal predecessors, (11814), 4044 states have call successors, (4044), 673 states have call predecessors, (4044), 674 states have return successors, (4051), 3927 states have call predecessors, (4051), 4043 states have call successors, (4051) [2021-12-22 15:14:16,426 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13848 states to 13848 states and 19909 transitions. [2021-12-22 15:14:16,429 INFO L78 Accepts]: Start accepts. Automaton has 13848 states and 19909 transitions. Word has length 211 [2021-12-22 15:14:16,431 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-22 15:14:16,431 INFO L470 AbstractCegarLoop]: Abstraction has 13848 states and 19909 transitions. [2021-12-22 15:14:16,431 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 8.222222222222221) internal successors, (74), 4 states have internal predecessors, (74), 3 states have call successors, (23), 7 states have call predecessors, (23), 1 states have return successors, (18), 3 states have call predecessors, (18), 3 states have call successors, (18) [2021-12-22 15:14:16,431 INFO L276 IsEmpty]: Start isEmpty. Operand 13848 states and 19909 transitions. [2021-12-22 15:14:16,436 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 213 [2021-12-22 15:14:16,436 INFO L506 BasicCegarLoop]: Found error trace [2021-12-22 15:14:16,436 INFO L514 BasicCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2021-12-22 15:14:16,436 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-12-22 15:14:16,437 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-22 15:14:16,437 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-22 15:14:16,437 INFO L85 PathProgramCache]: Analyzing trace with hash -1597066704, now seen corresponding path program 1 times [2021-12-22 15:14:16,437 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-22 15:14:16,437 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [177751189] [2021-12-22 15:14:16,437 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-22 15:14:16,438 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-22 15:14:16,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:14:16,603 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-22 15:14:16,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:14:16,618 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:14:16,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:14:16,623 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-22 15:14:16,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:14:16,629 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-22 15:14:16,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:14:16,641 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:14:16,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:14:16,645 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-22 15:14:16,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:14:16,650 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-12-22 15:14:16,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:14:16,668 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:14:16,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:14:16,673 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-22 15:14:16,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:14:16,678 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-12-22 15:14:16,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:14:16,687 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:14:16,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:14:16,691 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-22 15:14:16,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:14:16,695 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2021-12-22 15:14:16,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:14:16,703 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:14:16,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:14:16,709 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-22 15:14:16,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:14:16,714 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2021-12-22 15:14:16,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:14:16,725 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:14:16,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:14:16,730 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-22 15:14:16,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:14:16,734 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2021-12-22 15:14:16,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:14:16,745 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:14:16,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:14:16,749 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-22 15:14:16,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:14:16,759 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2021-12-22 15:14:16,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:14:16,767 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:14:16,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:14:16,773 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2021-12-22 15:14:16,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:14:16,781 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:14:16,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:14:16,785 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2021-12-22 15:14:16,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:14:16,793 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:14:16,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:14:16,798 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2021-12-22 15:14:16,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:14:16,806 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2021-12-22 15:14:16,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:14:16,810 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2021-12-22 15:14:16,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:14:16,815 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2021-12-22 15:14:16,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:14:16,819 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2021-12-22 15:14:16,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:14:16,824 INFO L134 CoverageAnalysis]: Checked inductivity of 324 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 324 trivial. 0 not checked. [2021-12-22 15:14:16,824 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-22 15:14:16,824 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [177751189] [2021-12-22 15:14:16,824 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [177751189] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-22 15:14:16,825 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-22 15:14:16,825 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-12-22 15:14:16,825 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1481634460] [2021-12-22 15:14:16,825 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-22 15:14:16,826 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2021-12-22 15:14:16,826 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-22 15:14:16,826 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-12-22 15:14:16,827 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2021-12-22 15:14:16,827 INFO L87 Difference]: Start difference. First operand 13848 states and 19909 transitions. Second operand has 9 states, 9 states have (on average 8.333333333333334) internal successors, (75), 4 states have internal predecessors, (75), 3 states have call successors, (23), 7 states have call predecessors, (23), 1 states have return successors, (18), 3 states have call predecessors, (18), 3 states have call successors, (18)