./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--usb--host--ohci-hcd.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--usb--host--ohci-hcd.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 4c74f17ad80d26d3384a467dad9313e9d7d1be91817d15d75e196d6ef78bc5b2 --- Real Ultimate output --- This is Ultimate 0.2.2-dev-e19ca92 [2021-12-22 15:18:58,046 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-22 15:18:58,075 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-22 15:18:58,116 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-22 15:18:58,117 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-22 15:18:58,120 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-22 15:18:58,121 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-22 15:18:58,124 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-22 15:18:58,125 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-22 15:18:58,129 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-22 15:18:58,130 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-22 15:18:58,131 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-22 15:18:58,131 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-22 15:18:58,133 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-22 15:18:58,134 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-22 15:18:58,137 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-22 15:18:58,137 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-22 15:18:58,138 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-22 15:18:58,139 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-22 15:18:58,141 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-22 15:18:58,144 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-22 15:18:58,145 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-22 15:18:58,146 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-22 15:18:58,146 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-22 15:18:58,150 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-22 15:18:58,150 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-22 15:18:58,150 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-22 15:18:58,151 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-22 15:18:58,152 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-22 15:18:58,152 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-22 15:18:58,152 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-22 15:18:58,153 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-22 15:18:58,154 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-22 15:18:58,155 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-22 15:18:58,156 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-22 15:18:58,156 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-22 15:18:58,157 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-22 15:18:58,157 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-22 15:18:58,157 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-22 15:18:58,157 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-22 15:18:58,158 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-22 15:18:58,158 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2021-12-22 15:18:58,184 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-22 15:18:58,185 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-22 15:18:58,185 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-22 15:18:58,185 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-22 15:18:58,186 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-22 15:18:58,186 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-22 15:18:58,186 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-22 15:18:58,187 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-22 15:18:58,187 INFO L138 SettingsManager]: * Use SBE=true [2021-12-22 15:18:58,187 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-22 15:18:58,187 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-22 15:18:58,188 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-22 15:18:58,188 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-22 15:18:58,188 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-22 15:18:58,188 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-22 15:18:58,188 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-22 15:18:58,188 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-22 15:18:58,189 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-22 15:18:58,189 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-22 15:18:58,189 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-22 15:18:58,189 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-22 15:18:58,189 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-22 15:18:58,189 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-22 15:18:58,189 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-22 15:18:58,190 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-22 15:18:58,190 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-22 15:18:58,190 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-22 15:18:58,191 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-22 15:18:58,191 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-22 15:18:58,191 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-22 15:18:58,191 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-22 15:18:58,192 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4c74f17ad80d26d3384a467dad9313e9d7d1be91817d15d75e196d6ef78bc5b2 [2021-12-22 15:18:58,354 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-22 15:18:58,374 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-22 15:18:58,378 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-22 15:18:58,379 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-22 15:18:58,379 INFO L275 PluginConnector]: CDTParser initialized [2021-12-22 15:18:58,380 INFO L432 ainManager$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--usb--host--ohci-hcd.ko-entry_point.cil.out.i [2021-12-22 15:18:58,424 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/76d179ee4/b8e6e55d56194b0bbebe8b66c05a8445/FLAG8121e0315 [2021-12-22 15:18:59,009 INFO L306 CDTParser]: Found 1 translation units. [2021-12-22 15:18:59,009 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--usb--host--ohci-hcd.ko-entry_point.cil.out.i [2021-12-22 15:18:59,046 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/76d179ee4/b8e6e55d56194b0bbebe8b66c05a8445/FLAG8121e0315 [2021-12-22 15:18:59,163 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/76d179ee4/b8e6e55d56194b0bbebe8b66c05a8445 [2021-12-22 15:18:59,166 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-22 15:18:59,168 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-22 15:18:59,169 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-22 15:18:59,169 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-22 15:18:59,171 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-22 15:18:59,172 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.12 03:18:59" (1/1) ... [2021-12-22 15:18:59,173 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2ede6560 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 03:18:59, skipping insertion in model container [2021-12-22 15:18:59,173 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.12 03:18:59" (1/1) ... [2021-12-22 15:18:59,178 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-22 15:18:59,268 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-22 15:19:00,989 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--usb--host--ohci-hcd.ko-entry_point.cil.out.i[315625,315638] [2021-12-22 15:19:01,038 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-22 15:19:01,060 INFO L203 MainTranslator]: Completed pre-run [2021-12-22 15:19:01,404 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--usb--host--ohci-hcd.ko-entry_point.cil.out.i[315625,315638] [2021-12-22 15:19:01,410 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-22 15:19:01,461 INFO L208 MainTranslator]: Completed translation [2021-12-22 15:19:01,463 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 03:19:01 WrapperNode [2021-12-22 15:19:01,463 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-22 15:19:01,464 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-22 15:19:01,464 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-22 15:19:01,464 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-22 15:19:01,470 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 03:19:01" (1/1) ... [2021-12-22 15:19:01,569 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 03:19:01" (1/1) ... [2021-12-22 15:19:01,774 INFO L137 Inliner]: procedures = 259, calls = 4373, calls flagged for inlining = 103, calls inlined = 98, statements flattened = 8445 [2021-12-22 15:19:01,775 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-22 15:19:01,776 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-22 15:19:01,776 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-22 15:19:01,776 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-22 15:19:01,782 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 03:19:01" (1/1) ... [2021-12-22 15:19:01,782 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 03:19:01" (1/1) ... [2021-12-22 15:19:01,835 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 03:19:01" (1/1) ... [2021-12-22 15:19:01,835 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 03:19:01" (1/1) ... [2021-12-22 15:19:01,975 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 03:19:01" (1/1) ... [2021-12-22 15:19:01,997 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 03:19:01" (1/1) ... [2021-12-22 15:19:02,018 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 03:19:01" (1/1) ... [2021-12-22 15:19:02,051 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-22 15:19:02,052 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-22 15:19:02,052 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-22 15:19:02,052 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-22 15:19:02,053 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 03:19:01" (1/1) ... [2021-12-22 15:19:02,058 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-22 15:19:02,066 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-22 15:19:02,080 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 15:19:02,100 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 15:19:02,112 INFO L130 BoogieDeclarations]: Found specification of procedure hcd_to_ohci [2021-12-22 15:19:02,112 INFO L138 BoogieDeclarations]: Found implementation of procedure hcd_to_ohci [2021-12-22 15:19:02,112 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2021-12-22 15:19:02,112 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2021-12-22 15:19:02,112 INFO L130 BoogieDeclarations]: Found specification of procedure start_ed_unlink [2021-12-22 15:19:02,113 INFO L138 BoogieDeclarations]: Found implementation of procedure start_ed_unlink [2021-12-22 15:19:02,113 INFO L130 BoogieDeclarations]: Found specification of procedure roothub_status [2021-12-22 15:19:02,113 INFO L138 BoogieDeclarations]: Found implementation of procedure roothub_status [2021-12-22 15:19:02,113 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2021-12-22 15:19:02,113 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2021-12-22 15:19:02,113 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2021-12-22 15:19:02,113 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2021-12-22 15:19:02,113 INFO L130 BoogieDeclarations]: Found specification of procedure put_unaligned_le32 [2021-12-22 15:19:02,114 INFO L138 BoogieDeclarations]: Found implementation of procedure put_unaligned_le32 [2021-12-22 15:19:02,114 INFO L130 BoogieDeclarations]: Found specification of procedure show_list [2021-12-22 15:19:02,114 INFO L138 BoogieDeclarations]: Found implementation of procedure show_list [2021-12-22 15:19:02,114 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock [2021-12-22 15:19:02,114 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock [2021-12-22 15:19:02,114 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-12-22 15:19:02,114 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-12-22 15:19:02,115 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_maxp [2021-12-22 15:19:02,115 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_maxp [2021-12-22 15:19:02,115 INFO L130 BoogieDeclarations]: Found specification of procedure hc32_to_cpup [2021-12-22 15:19:02,115 INFO L138 BoogieDeclarations]: Found implementation of procedure hc32_to_cpup [2021-12-22 15:19:02,115 INFO L130 BoogieDeclarations]: Found specification of procedure hcfs2string [2021-12-22 15:19:02,115 INFO L138 BoogieDeclarations]: Found implementation of procedure hcfs2string [2021-12-22 15:19:02,115 INFO L130 BoogieDeclarations]: Found specification of procedure quirk_zfmicro [2021-12-22 15:19:02,115 INFO L138 BoogieDeclarations]: Found implementation of procedure quirk_zfmicro [2021-12-22 15:19:02,115 INFO L130 BoogieDeclarations]: Found specification of procedure ohci_hub_status_data [2021-12-22 15:19:02,116 INFO L138 BoogieDeclarations]: Found implementation of procedure ohci_hub_status_data [2021-12-22 15:19:02,116 INFO L130 BoogieDeclarations]: Found specification of procedure ohci_shutdown [2021-12-22 15:19:02,116 INFO L138 BoogieDeclarations]: Found implementation of procedure ohci_shutdown [2021-12-22 15:19:02,116 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2021-12-22 15:19:02,116 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2021-12-22 15:19:02,116 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2021-12-22 15:19:02,116 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2021-12-22 15:19:02,116 INFO L130 BoogieDeclarations]: Found specification of procedure ohci_dump_intr_mask [2021-12-22 15:19:02,117 INFO L138 BoogieDeclarations]: Found implementation of procedure ohci_dump_intr_mask [2021-12-22 15:19:02,117 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_buffer [2021-12-22 15:19:02,117 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_buffer [2021-12-22 15:19:02,117 INFO L130 BoogieDeclarations]: Found specification of procedure _ohci_writel [2021-12-22 15:19:02,117 INFO L138 BoogieDeclarations]: Found implementation of procedure _ohci_writel [2021-12-22 15:19:02,117 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2021-12-22 15:19:02,117 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2021-12-22 15:19:02,118 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-12-22 15:19:02,118 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-12-22 15:19:02,118 INFO L130 BoogieDeclarations]: Found specification of procedure ohci_hwPSWp [2021-12-22 15:19:02,118 INFO L138 BoogieDeclarations]: Found implementation of procedure ohci_hwPSWp [2021-12-22 15:19:02,118 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2021-12-22 15:19:02,118 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2021-12-22 15:19:02,118 INFO L130 BoogieDeclarations]: Found specification of procedure debug_output [2021-12-22 15:19:02,119 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_output [2021-12-22 15:19:02,119 INFO L130 BoogieDeclarations]: Found specification of procedure ed_schedule [2021-12-22 15:19:02,119 INFO L138 BoogieDeclarations]: Found implementation of procedure ed_schedule [2021-12-22 15:19:02,119 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_timer_1 [2021-12-22 15:19:02,119 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_timer_1 [2021-12-22 15:19:02,119 INFO L130 BoogieDeclarations]: Found specification of procedure ohci_dump_roothub [2021-12-22 15:19:02,120 INFO L138 BoogieDeclarations]: Found implementation of procedure ohci_dump_roothub [2021-12-22 15:19:02,120 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-12-22 15:19:02,121 INFO L130 BoogieDeclarations]: Found specification of procedure ohci_stop [2021-12-22 15:19:02,121 INFO L138 BoogieDeclarations]: Found implementation of procedure ohci_stop [2021-12-22 15:19:02,121 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2021-12-22 15:19:02,121 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2021-12-22 15:19:02,121 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-12-22 15:19:02,121 INFO L130 BoogieDeclarations]: Found specification of procedure dma_pool_create [2021-12-22 15:19:02,121 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_pool_create [2021-12-22 15:19:02,121 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock [2021-12-22 15:19:02,122 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock [2021-12-22 15:19:02,122 INFO L130 BoogieDeclarations]: Found specification of procedure quirk_nec [2021-12-22 15:19:02,122 INFO L138 BoogieDeclarations]: Found implementation of procedure quirk_nec [2021-12-22 15:19:02,122 INFO L130 BoogieDeclarations]: Found specification of procedure ohci_restart [2021-12-22 15:19:02,122 INFO L138 BoogieDeclarations]: Found implementation of procedure ohci_restart [2021-12-22 15:19:02,122 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2021-12-22 15:19:02,122 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2021-12-22 15:19:02,122 INFO L130 BoogieDeclarations]: Found specification of procedure dma_pool_destroy [2021-12-22 15:19:02,123 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_pool_destroy [2021-12-22 15:19:02,123 INFO L130 BoogieDeclarations]: Found specification of procedure update_done_list [2021-12-22 15:19:02,123 INFO L138 BoogieDeclarations]: Found implementation of procedure update_done_list [2021-12-22 15:19:02,123 INFO L130 BoogieDeclarations]: Found specification of procedure td_free [2021-12-22 15:19:02,123 INFO L138 BoogieDeclarations]: Found implementation of procedure td_free [2021-12-22 15:19:02,124 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-12-22 15:19:02,124 INFO L130 BoogieDeclarations]: Found specification of procedure ohci_rh_resume [2021-12-22 15:19:02,124 INFO L138 BoogieDeclarations]: Found implementation of procedure ohci_rh_resume [2021-12-22 15:19:02,124 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-12-22 15:19:02,124 INFO L130 BoogieDeclarations]: Found specification of procedure roothub_portstatus [2021-12-22 15:19:02,124 INFO L138 BoogieDeclarations]: Found implementation of procedure roothub_portstatus [2021-12-22 15:19:02,124 INFO L130 BoogieDeclarations]: Found specification of procedure usb_hc_died [2021-12-22 15:19:02,124 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_hc_died [2021-12-22 15:19:02,124 INFO L130 BoogieDeclarations]: Found specification of procedure debugfs_remove [2021-12-22 15:19:02,124 INFO L138 BoogieDeclarations]: Found implementation of procedure debugfs_remove [2021-12-22 15:19:02,125 INFO L130 BoogieDeclarations]: Found specification of procedure list_del [2021-12-22 15:19:02,125 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del [2021-12-22 15:19:02,125 INFO L130 BoogieDeclarations]: Found specification of procedure debugfs_create_dir [2021-12-22 15:19:02,125 INFO L138 BoogieDeclarations]: Found implementation of procedure debugfs_create_dir [2021-12-22 15:19:02,125 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2021-12-22 15:19:02,126 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2021-12-22 15:19:02,126 INFO L130 BoogieDeclarations]: Found specification of procedure ed_free [2021-12-22 15:19:02,126 INFO L138 BoogieDeclarations]: Found implementation of procedure ed_free [2021-12-22 15:19:02,126 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2021-12-22 15:19:02,127 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2021-12-22 15:19:02,127 INFO L130 BoogieDeclarations]: Found specification of procedure ohci_start [2021-12-22 15:19:02,127 INFO L138 BoogieDeclarations]: Found implementation of procedure ohci_start [2021-12-22 15:19:02,127 INFO L130 BoogieDeclarations]: Found specification of procedure ohci_dump [2021-12-22 15:19:02,127 INFO L138 BoogieDeclarations]: Found implementation of procedure ohci_dump [2021-12-22 15:19:02,128 INFO L130 BoogieDeclarations]: Found specification of procedure ohci_setup [2021-12-22 15:19:02,128 INFO L138 BoogieDeclarations]: Found implementation of procedure ohci_setup [2021-12-22 15:19:02,128 INFO L130 BoogieDeclarations]: Found specification of procedure ohci_frame_no [2021-12-22 15:19:02,128 INFO L138 BoogieDeclarations]: Found implementation of procedure ohci_frame_no [2021-12-22 15:19:02,128 INFO L130 BoogieDeclarations]: Found specification of procedure list_empty [2021-12-22 15:19:02,128 INFO L138 BoogieDeclarations]: Found implementation of procedure list_empty [2021-12-22 15:19:02,128 INFO L130 BoogieDeclarations]: Found specification of procedure sb800_prefetch [2021-12-22 15:19:02,129 INFO L138 BoogieDeclarations]: Found implementation of procedure sb800_prefetch [2021-12-22 15:19:02,129 INFO L130 BoogieDeclarations]: Found specification of procedure activate_pending_timer_1 [2021-12-22 15:19:02,129 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_pending_timer_1 [2021-12-22 15:19:02,129 INFO L130 BoogieDeclarations]: Found specification of procedure ohci_hub_control [2021-12-22 15:19:02,129 INFO L138 BoogieDeclarations]: Found implementation of procedure ohci_hub_control [2021-12-22 15:19:02,129 INFO L130 BoogieDeclarations]: Found specification of procedure usb_hcd_unlink_urb_from_ep [2021-12-22 15:19:02,130 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_hcd_unlink_urb_from_ep [2021-12-22 15:19:02,130 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-12-22 15:19:02,132 INFO L130 BoogieDeclarations]: Found specification of procedure finish_urb [2021-12-22 15:19:02,132 INFO L138 BoogieDeclarations]: Found implementation of procedure finish_urb [2021-12-22 15:19:02,132 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer_sync [2021-12-22 15:19:02,132 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer_sync [2021-12-22 15:19:02,133 INFO L130 BoogieDeclarations]: Found specification of procedure ohci_rh_suspend [2021-12-22 15:19:02,133 INFO L138 BoogieDeclarations]: Found implementation of procedure ohci_rh_suspend [2021-12-22 15:19:02,134 INFO L130 BoogieDeclarations]: Found specification of procedure roothub_a [2021-12-22 15:19:02,134 INFO L138 BoogieDeclarations]: Found implementation of procedure roothub_a [2021-12-22 15:19:02,134 INFO L130 BoogieDeclarations]: Found specification of procedure ohci_irq [2021-12-22 15:19:02,138 INFO L138 BoogieDeclarations]: Found implementation of procedure ohci_irq [2021-12-22 15:19:02,138 INFO L130 BoogieDeclarations]: Found specification of procedure rh_state_string [2021-12-22 15:19:02,138 INFO L138 BoogieDeclarations]: Found implementation of procedure rh_state_string [2021-12-22 15:19:02,138 INFO L130 BoogieDeclarations]: Found specification of procedure roothub_b [2021-12-22 15:19:02,138 INFO L138 BoogieDeclarations]: Found implementation of procedure roothub_b [2021-12-22 15:19:02,138 INFO L130 BoogieDeclarations]: Found specification of procedure ohci_urb_enqueue [2021-12-22 15:19:02,139 INFO L138 BoogieDeclarations]: Found implementation of procedure ohci_urb_enqueue [2021-12-22 15:19:02,139 INFO L130 BoogieDeclarations]: Found specification of procedure ohci_start_port_reset [2021-12-22 15:19:02,139 INFO L138 BoogieDeclarations]: Found implementation of procedure ohci_start_port_reset [2021-12-22 15:19:02,139 INFO L130 BoogieDeclarations]: Found specification of procedure ohci_to_hcd [2021-12-22 15:19:02,139 INFO L138 BoogieDeclarations]: Found implementation of procedure ohci_to_hcd [2021-12-22 15:19:02,139 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2021-12-22 15:19:02,139 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2021-12-22 15:19:02,139 INFO L130 BoogieDeclarations]: Found specification of procedure td_alloc [2021-12-22 15:19:02,139 INFO L138 BoogieDeclarations]: Found implementation of procedure td_alloc [2021-12-22 15:19:02,139 INFO L130 BoogieDeclarations]: Found specification of procedure find_head [2021-12-22 15:19:02,140 INFO L138 BoogieDeclarations]: Found implementation of procedure find_head [2021-12-22 15:19:02,140 INFO L130 BoogieDeclarations]: Found specification of procedure activate_suitable_timer_1 [2021-12-22 15:19:02,140 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_suitable_timer_1 [2021-12-22 15:19:02,140 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2021-12-22 15:19:02,140 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2021-12-22 15:19:02,140 INFO L130 BoogieDeclarations]: Found specification of procedure ohci_run [2021-12-22 15:19:02,140 INFO L138 BoogieDeclarations]: Found implementation of procedure ohci_run [2021-12-22 15:19:02,140 INFO L130 BoogieDeclarations]: Found specification of procedure debugfs_create_file [2021-12-22 15:19:02,140 INFO L138 BoogieDeclarations]: Found implementation of procedure debugfs_create_file [2021-12-22 15:19:02,140 INFO L130 BoogieDeclarations]: Found specification of procedure ohci_endpoint_disable [2021-12-22 15:19:02,141 INFO L138 BoogieDeclarations]: Found implementation of procedure ohci_endpoint_disable [2021-12-22 15:19:02,141 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-12-22 15:19:02,141 INFO L130 BoogieDeclarations]: Found specification of procedure quirk_amdprefetch [2021-12-22 15:19:02,141 INFO L138 BoogieDeclarations]: Found implementation of procedure quirk_amdprefetch [2021-12-22 15:19:02,141 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irq [2021-12-22 15:19:02,141 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irq [2021-12-22 15:19:02,141 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2021-12-22 15:19:02,141 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2021-12-22 15:19:02,141 INFO L130 BoogieDeclarations]: Found specification of procedure sg_next [2021-12-22 15:19:02,141 INFO L138 BoogieDeclarations]: Found implementation of procedure sg_next [2021-12-22 15:19:02,141 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2021-12-22 15:19:02,142 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2021-12-22 15:19:02,142 INFO L130 BoogieDeclarations]: Found specification of procedure add_to_done_list [2021-12-22 15:19:02,142 INFO L138 BoogieDeclarations]: Found implementation of procedure add_to_done_list [2021-12-22 15:19:02,142 INFO L130 BoogieDeclarations]: Found specification of procedure _ohci_readl [2021-12-22 15:19:02,142 INFO L138 BoogieDeclarations]: Found implementation of procedure _ohci_readl [2021-12-22 15:19:02,142 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-12-22 15:19:02,142 INFO L130 BoogieDeclarations]: Found specification of procedure disable_suitable_timer_1 [2021-12-22 15:19:02,142 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_suitable_timer_1 [2021-12-22 15:19:02,142 INFO L130 BoogieDeclarations]: Found specification of procedure usb_hcd_poll_rh_status [2021-12-22 15:19:02,142 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_hcd_poll_rh_status [2021-12-22 15:19:02,143 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2021-12-22 15:19:02,143 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2021-12-22 15:19:02,143 INFO L130 BoogieDeclarations]: Found specification of procedure __list_add [2021-12-22 15:19:02,143 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_add [2021-12-22 15:19:02,143 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-22 15:19:02,143 INFO L130 BoogieDeclarations]: Found specification of procedure periodic_reinit [2021-12-22 15:19:02,143 INFO L138 BoogieDeclarations]: Found implementation of procedure periodic_reinit [2021-12-22 15:19:02,143 INFO L130 BoogieDeclarations]: Found specification of procedure __le32_to_cpup [2021-12-22 15:19:02,187 INFO L138 BoogieDeclarations]: Found implementation of procedure __le32_to_cpup [2021-12-22 15:19:02,187 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2021-12-22 15:19:02,187 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2021-12-22 15:19:02,187 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-12-22 15:19:02,187 INFO L130 BoogieDeclarations]: Found specification of procedure td_done [2021-12-22 15:19:02,187 INFO L138 BoogieDeclarations]: Found implementation of procedure td_done [2021-12-22 15:19:02,187 INFO L130 BoogieDeclarations]: Found specification of procedure td_fill [2021-12-22 15:19:02,187 INFO L138 BoogieDeclarations]: Found implementation of procedure td_fill [2021-12-22 15:19:02,188 INFO L130 BoogieDeclarations]: Found specification of procedure ohci_urb_dequeue [2021-12-22 15:19:02,188 INFO L138 BoogieDeclarations]: Found implementation of procedure ohci_urb_dequeue [2021-12-22 15:19:02,188 INFO L130 BoogieDeclarations]: Found specification of procedure ohci_init [2021-12-22 15:19:02,188 INFO L138 BoogieDeclarations]: Found implementation of procedure ohci_init [2021-12-22 15:19:02,188 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_irq [2021-12-22 15:19:02,188 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_irq [2021-12-22 15:19:02,188 INFO L130 BoogieDeclarations]: Found specification of procedure ohci_work [2021-12-22 15:19:02,188 INFO L138 BoogieDeclarations]: Found implementation of procedure ohci_work [2021-12-22 15:19:02,188 INFO L130 BoogieDeclarations]: Found specification of procedure quirk_amdiso [2021-12-22 15:19:02,188 INFO L138 BoogieDeclarations]: Found implementation of procedure quirk_amdiso [2021-12-22 15:19:02,188 INFO L130 BoogieDeclarations]: Found specification of procedure default_llseek [2021-12-22 15:19:02,188 INFO L138 BoogieDeclarations]: Found implementation of procedure default_llseek [2021-12-22 15:19:02,188 INFO L130 BoogieDeclarations]: Found specification of procedure mod_timer [2021-12-22 15:19:02,188 INFO L138 BoogieDeclarations]: Found implementation of procedure mod_timer [2021-12-22 15:19:02,188 INFO L130 BoogieDeclarations]: Found specification of procedure ed_deschedule [2021-12-22 15:19:02,188 INFO L138 BoogieDeclarations]: Found implementation of procedure ed_deschedule [2021-12-22 15:19:02,188 INFO L130 BoogieDeclarations]: Found specification of procedure usb_hcd_resume_root_hub [2021-12-22 15:19:02,188 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_hcd_resume_root_hub [2021-12-22 15:19:02,188 INFO L130 BoogieDeclarations]: Found specification of procedure list_add [2021-12-22 15:19:02,189 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add [2021-12-22 15:19:02,189 INFO L130 BoogieDeclarations]: Found specification of procedure urb_free_priv [2021-12-22 15:19:02,189 INFO L138 BoogieDeclarations]: Found implementation of procedure urb_free_priv [2021-12-22 15:19:02,189 INFO L130 BoogieDeclarations]: Found specification of procedure hc32_to_cpu [2021-12-22 15:19:02,189 INFO L138 BoogieDeclarations]: Found implementation of procedure hc32_to_cpu [2021-12-22 15:19:02,189 INFO L130 BoogieDeclarations]: Found specification of procedure ohci_dump_status [2021-12-22 15:19:02,189 INFO L138 BoogieDeclarations]: Found implementation of procedure ohci_dump_status [2021-12-22 15:19:02,189 INFO L130 BoogieDeclarations]: Found specification of procedure maybe_print_eds [2021-12-22 15:19:02,189 INFO L138 BoogieDeclarations]: Found implementation of procedure maybe_print_eds [2021-12-22 15:19:02,189 INFO L130 BoogieDeclarations]: Found specification of procedure debug_close [2021-12-22 15:19:02,189 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_close [2021-12-22 15:19:02,189 INFO L130 BoogieDeclarations]: Found specification of procedure ohci_get_frame [2021-12-22 15:19:02,189 INFO L138 BoogieDeclarations]: Found implementation of procedure ohci_get_frame [2021-12-22 15:19:02,189 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2021-12-22 15:19:02,189 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2021-12-22 15:19:02,189 INFO L130 BoogieDeclarations]: Found specification of procedure msecs_to_jiffies [2021-12-22 15:19:02,189 INFO L138 BoogieDeclarations]: Found implementation of procedure msecs_to_jiffies [2021-12-22 15:19:02,189 INFO L130 BoogieDeclarations]: Found specification of procedure cpu_to_hc32 [2021-12-22 15:19:02,190 INFO L138 BoogieDeclarations]: Found implementation of procedure cpu_to_hc32 [2021-12-22 15:19:02,190 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2021-12-22 15:19:02,190 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2021-12-22 15:19:02,190 INFO L130 BoogieDeclarations]: Found specification of procedure ohci_usb_reset [2021-12-22 15:19:02,190 INFO L138 BoogieDeclarations]: Found implementation of procedure ohci_usb_reset [2021-12-22 15:19:02,190 INFO L130 BoogieDeclarations]: Found specification of procedure ohci_bus_resume [2021-12-22 15:19:02,190 INFO L138 BoogieDeclarations]: Found implementation of procedure ohci_bus_resume [2021-12-22 15:19:02,190 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2021-12-22 15:19:02,190 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2021-12-22 15:19:02,190 INFO L130 BoogieDeclarations]: Found specification of procedure ohci_bus_suspend [2021-12-22 15:19:02,190 INFO L138 BoogieDeclarations]: Found implementation of procedure ohci_bus_suspend [2021-12-22 15:19:02,190 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-22 15:19:02,190 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-22 15:19:02,190 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-22 15:19:02,190 INFO L130 BoogieDeclarations]: Found specification of procedure dma_pool_free [2021-12-22 15:19:02,190 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_pool_free [2021-12-22 15:19:02,994 INFO L234 CfgBuilder]: Building ICFG [2021-12-22 15:19:02,997 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-22 15:19:03,403 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2021-12-22 15:19:07,859 INFO L275 CfgBuilder]: Performing block encoding [2021-12-22 15:19:07,872 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-22 15:19:07,873 INFO L299 CfgBuilder]: Removed 4 assume(true) statements. [2021-12-22 15:19:07,877 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.12 03:19:07 BoogieIcfgContainer [2021-12-22 15:19:07,877 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-22 15:19:07,878 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-22 15:19:07,878 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-22 15:19:07,881 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-22 15:19:07,881 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.12 03:18:59" (1/3) ... [2021-12-22 15:19:07,882 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@111cd7a4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.12 03:19:07, skipping insertion in model container [2021-12-22 15:19:07,882 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 03:19:01" (2/3) ... [2021-12-22 15:19:07,882 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@111cd7a4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.12 03:19:07, skipping insertion in model container [2021-12-22 15:19:07,882 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.12 03:19:07" (3/3) ... [2021-12-22 15:19:07,883 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-43_2a-drivers--usb--host--ohci-hcd.ko-entry_point.cil.out.i [2021-12-22 15:19:07,887 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-22 15:19:07,887 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-12-22 15:19:07,974 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-22 15:19:07,981 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 15:19:07,982 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-12-22 15:19:08,031 INFO L276 IsEmpty]: Start isEmpty. Operand has 2927 states, 2055 states have (on average 1.3858880778588807) internal successors, (2848), 2125 states have internal predecessors, (2848), 759 states have call successors, (759), 116 states have call predecessors, (759), 115 states have return successors, (752), 745 states have call predecessors, (752), 752 states have call successors, (752) [2021-12-22 15:19:08,049 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 342 [2021-12-22 15:19:08,049 INFO L506 BasicCegarLoop]: Found error trace [2021-12-22 15:19:08,050 INFO L514 BasicCegarLoop]: trace histogram [16, 16, 16, 16, 16, 16, 16, 16, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 15:19:08,050 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-22 15:19:08,053 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-22 15:19:08,054 INFO L85 PathProgramCache]: Analyzing trace with hash 1446211571, now seen corresponding path program 1 times [2021-12-22 15:19:08,059 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-22 15:19:08,059 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1609886385] [2021-12-22 15:19:08,060 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-22 15:19:08,060 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-22 15:19:08,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:19:08,757 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-22 15:19:08,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:19:08,792 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:19:08,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:19:08,799 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-22 15:19:08,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:19:08,806 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-22 15:19:08,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:19:08,845 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:19:08,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:19:08,852 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-22 15:19:08,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:19:08,858 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-12-22 15:19:08,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:19:08,872 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:19:08,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:19:08,879 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-22 15:19:08,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:19:08,890 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-12-22 15:19:08,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:19:08,909 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:19:08,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:19:08,919 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-22 15:19:08,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:19:08,928 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2021-12-22 15:19:08,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:19:08,945 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:19:08,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:19:08,952 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-22 15:19:08,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:19:08,958 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2021-12-22 15:19:08,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:19:08,970 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:19:08,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:19:08,977 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-22 15:19:08,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:19:08,983 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2021-12-22 15:19:08,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:19:08,995 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:19:08,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:19:09,001 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-22 15:19:09,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:19:09,007 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2021-12-22 15:19:09,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:19:09,018 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:19:09,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:19:09,024 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-22 15:19:09,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:19:09,030 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2021-12-22 15:19:09,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:19:09,041 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:19:09,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:19:09,047 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-22 15:19:09,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:19:09,058 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2021-12-22 15:19:09,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:19:09,067 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:19:09,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:19:09,073 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2021-12-22 15:19:09,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:19:09,083 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:19:09,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:19:09,089 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2021-12-22 15:19:09,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:19:09,098 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:19:09,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:19:09,106 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2021-12-22 15:19:09,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:19:09,115 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:19:09,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:19:09,121 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2021-12-22 15:19:09,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:19:09,131 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:19:09,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:19:09,137 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2021-12-22 15:19:09,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:19:09,147 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:19:09,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:19:09,153 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2021-12-22 15:19:09,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:19:09,168 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:19:09,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:19:09,175 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2021-12-22 15:19:09,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:19:09,184 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:19:09,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:19:09,190 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 235 [2021-12-22 15:19:09,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:19:09,200 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:19:09,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:19:09,207 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 246 [2021-12-22 15:19:09,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:19:09,216 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:19:09,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:19:09,223 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 257 [2021-12-22 15:19:09,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:19:09,232 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:19:09,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:19:09,239 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 268 [2021-12-22 15:19:09,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:19:09,249 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:19:09,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:19:09,256 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 279 [2021-12-22 15:19:09,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:19:09,266 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:19:09,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:19:09,272 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 290 [2021-12-22 15:19:09,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:19:09,282 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:19:09,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:19:09,289 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 301 [2021-12-22 15:19:09,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:19:09,300 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:19:09,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:19:09,307 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 312 [2021-12-22 15:19:09,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:19:09,317 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:19:09,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:19:09,325 INFO L134 CoverageAnalysis]: Checked inductivity of 1584 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1584 trivial. 0 not checked. [2021-12-22 15:19:09,326 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-22 15:19:09,326 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1609886385] [2021-12-22 15:19:09,327 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1609886385] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-22 15:19:09,327 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-22 15:19:09,327 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-22 15:19:09,328 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1697820149] [2021-12-22 15:19:09,329 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-22 15:19:09,332 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-12-22 15:19:09,332 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-22 15:19:09,395 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-12-22 15:19:09,397 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-12-22 15:19:09,404 INFO L87 Difference]: Start difference. First operand has 2927 states, 2055 states have (on average 1.3858880778588807) internal successors, (2848), 2125 states have internal predecessors, (2848), 759 states have call successors, (759), 116 states have call predecessors, (759), 115 states have return successors, (752), 745 states have call predecessors, (752), 752 states have call successors, (752) Second operand has 5 states, 5 states have (on average 11.4) internal successors, (57), 2 states have internal predecessors, (57), 2 states have call successors, (32), 5 states have call predecessors, (32), 2 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) [2021-12-22 15:19:17,820 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-22 15:19:17,820 INFO L93 Difference]: Finished difference Result 6243 states and 9497 transitions. [2021-12-22 15:19:17,823 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-12-22 15:19:17,824 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 11.4) internal successors, (57), 2 states have internal predecessors, (57), 2 states have call successors, (32), 5 states have call predecessors, (32), 2 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) Word has length 341 [2021-12-22 15:19:17,824 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-22 15:19:17,867 INFO L225 Difference]: With dead ends: 6243 [2021-12-22 15:19:17,867 INFO L226 Difference]: Without dead ends: 3303 [2021-12-22 15:19:17,886 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 140 GetRequests, 136 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=16, Unknown=0, NotChecked=0, Total=30 [2021-12-22 15:19:17,893 INFO L933 BasicCegarLoop]: 4177 mSDtfsCounter, 1418 mSDsluCounter, 5697 mSDsCounter, 0 mSdLazyCounter, 3947 mSolverCounterSat, 1854 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1497 SdHoareTripleChecker+Valid, 9874 SdHoareTripleChecker+Invalid, 5801 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1854 IncrementalHoareTripleChecker+Valid, 3947 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.0s IncrementalHoareTripleChecker+Time [2021-12-22 15:19:17,894 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1497 Valid, 9874 Invalid, 5801 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1854 Valid, 3947 Invalid, 0 Unknown, 0 Unchecked, 8.0s Time] [2021-12-22 15:19:17,915 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3303 states. [2021-12-22 15:19:18,071 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3303 to 2897. [2021-12-22 15:19:18,077 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2897 states, 2036 states have (on average 1.382121807465619) internal successors, (2814), 2097 states have internal predecessors, (2814), 746 states have call successors, (746), 115 states have call predecessors, (746), 114 states have return successors, (745), 738 states have call predecessors, (745), 745 states have call successors, (745) [2021-12-22 15:19:18,095 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2897 states to 2897 states and 4305 transitions. [2021-12-22 15:19:18,098 INFO L78 Accepts]: Start accepts. Automaton has 2897 states and 4305 transitions. Word has length 341 [2021-12-22 15:19:18,099 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-22 15:19:18,100 INFO L470 AbstractCegarLoop]: Abstraction has 2897 states and 4305 transitions. [2021-12-22 15:19:18,100 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 11.4) internal successors, (57), 2 states have internal predecessors, (57), 2 states have call successors, (32), 5 states have call predecessors, (32), 2 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) [2021-12-22 15:19:18,100 INFO L276 IsEmpty]: Start isEmpty. Operand 2897 states and 4305 transitions. [2021-12-22 15:19:18,108 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 342 [2021-12-22 15:19:18,108 INFO L506 BasicCegarLoop]: Found error trace [2021-12-22 15:19:18,108 INFO L514 BasicCegarLoop]: trace histogram [16, 16, 16, 16, 16, 16, 16, 16, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 15:19:18,109 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-12-22 15:19:18,109 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-22 15:19:18,109 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-22 15:19:18,110 INFO L85 PathProgramCache]: Analyzing trace with hash 1653318689, now seen corresponding path program 1 times [2021-12-22 15:19:18,110 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-22 15:19:18,110 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [200495153] [2021-12-22 15:19:18,110 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-22 15:19:18,110 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-22 15:19:18,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:19:18,476 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-22 15:19:18,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:19:18,490 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:19:18,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:19:18,496 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-22 15:19:18,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:19:18,502 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-22 15:19:18,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:19:18,509 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:19:18,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:19:18,516 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-22 15:19:18,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:19:18,521 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-12-22 15:19:18,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:19:18,534 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:19:18,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:19:18,539 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-22 15:19:18,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:19:18,546 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-12-22 15:19:18,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:19:18,555 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:19:18,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:19:18,561 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-22 15:19:18,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:19:18,566 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2021-12-22 15:19:18,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:19:18,574 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:19:18,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:19:18,586 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-22 15:19:18,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:19:18,592 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2021-12-22 15:19:18,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:19:18,600 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:19:18,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:19:18,605 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-22 15:19:18,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:19:18,610 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2021-12-22 15:19:18,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:19:18,624 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:19:18,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:19:18,629 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-22 15:19:18,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:19:18,635 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2021-12-22 15:19:18,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:19:18,644 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:19:18,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:19:18,653 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-22 15:19:18,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:19:18,659 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2021-12-22 15:19:18,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:19:18,668 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:19:18,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:19:18,674 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-22 15:19:18,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:19:18,691 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2021-12-22 15:19:18,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:19:18,698 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:19:18,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:19:18,706 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2021-12-22 15:19:18,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:19:18,714 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:19:18,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:19:18,720 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2021-12-22 15:19:18,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:19:18,726 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:19:18,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:19:18,732 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2021-12-22 15:19:18,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:19:18,739 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:19:18,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:19:18,746 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2021-12-22 15:19:18,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:19:18,753 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:19:18,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:19:18,758 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2021-12-22 15:19:18,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:19:18,765 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:19:18,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:19:18,771 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2021-12-22 15:19:18,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:19:18,779 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:19:18,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:19:18,785 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2021-12-22 15:19:18,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:19:18,793 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:19:18,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:19:18,799 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 235 [2021-12-22 15:19:18,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:19:18,806 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:19:18,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:19:18,812 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 246 [2021-12-22 15:19:18,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:19:18,824 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:19:18,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:19:18,831 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 257 [2021-12-22 15:19:18,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:19:18,841 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:19:18,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:19:18,847 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 268 [2021-12-22 15:19:18,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:19:18,857 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:19:18,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:19:18,863 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 279 [2021-12-22 15:19:18,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:19:18,872 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:19:18,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:19:18,878 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 290 [2021-12-22 15:19:18,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:19:18,886 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:19:18,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:19:18,892 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 301 [2021-12-22 15:19:18,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:19:18,902 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:19:18,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:19:18,909 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 312 [2021-12-22 15:19:18,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:19:18,917 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:19:18,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:19:18,925 INFO L134 CoverageAnalysis]: Checked inductivity of 1584 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1584 trivial. 0 not checked. [2021-12-22 15:19:18,925 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-22 15:19:18,925 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [200495153] [2021-12-22 15:19:18,925 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [200495153] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-22 15:19:18,925 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-22 15:19:18,926 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-22 15:19:18,926 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [354166194] [2021-12-22 15:19:18,926 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-22 15:19:18,928 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-22 15:19:18,928 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-22 15:19:18,929 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-22 15:19:18,929 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-12-22 15:19:18,929 INFO L87 Difference]: Start difference. First operand 2897 states and 4305 transitions. Second operand has 6 states, 6 states have (on average 9.5) internal successors, (57), 3 states have internal predecessors, (57), 2 states have call successors, (32), 5 states have call predecessors, (32), 1 states have return successors, (28), 1 states have call predecessors, (28), 1 states have call successors, (28) [2021-12-22 15:19:27,135 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-22 15:19:27,135 INFO L93 Difference]: Finished difference Result 9355 states and 14075 transitions. [2021-12-22 15:19:27,135 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-22 15:19:27,136 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 9.5) internal successors, (57), 3 states have internal predecessors, (57), 2 states have call successors, (32), 5 states have call predecessors, (32), 1 states have return successors, (28), 1 states have call predecessors, (28), 1 states have call successors, (28) Word has length 341 [2021-12-22 15:19:27,136 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-22 15:19:27,171 INFO L225 Difference]: With dead ends: 9355 [2021-12-22 15:19:27,171 INFO L226 Difference]: Without dead ends: 6517 [2021-12-22 15:19:27,183 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 127 GetRequests, 120 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 15:19:27,184 INFO L933 BasicCegarLoop]: 4788 mSDtfsCounter, 8372 mSDsluCounter, 6084 mSDsCounter, 0 mSdLazyCounter, 3268 mSolverCounterSat, 6108 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8980 SdHoareTripleChecker+Valid, 10872 SdHoareTripleChecker+Invalid, 9376 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 6108 IncrementalHoareTripleChecker+Valid, 3268 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.7s IncrementalHoareTripleChecker+Time [2021-12-22 15:19:27,184 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [8980 Valid, 10872 Invalid, 9376 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [6108 Valid, 3268 Invalid, 0 Unknown, 0 Unchecked, 7.7s Time] [2021-12-22 15:19:27,191 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6517 states. [2021-12-22 15:19:27,359 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6517 to 5703. [2021-12-22 15:19:27,368 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5703 states, 4016 states have (on average 1.384711155378486) internal successors, (5561), 4139 states have internal predecessors, (5561), 1459 states have call successors, (1459), 228 states have call predecessors, (1459), 227 states have return successors, (1458), 1443 states have call predecessors, (1458), 1458 states have call successors, (1458) [2021-12-22 15:19:27,389 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5703 states to 5703 states and 8478 transitions. [2021-12-22 15:19:27,391 INFO L78 Accepts]: Start accepts. Automaton has 5703 states and 8478 transitions. Word has length 341 [2021-12-22 15:19:27,393 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-22 15:19:27,393 INFO L470 AbstractCegarLoop]: Abstraction has 5703 states and 8478 transitions. [2021-12-22 15:19:27,393 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 9.5) internal successors, (57), 3 states have internal predecessors, (57), 2 states have call successors, (32), 5 states have call predecessors, (32), 1 states have return successors, (28), 1 states have call predecessors, (28), 1 states have call successors, (28) [2021-12-22 15:19:27,393 INFO L276 IsEmpty]: Start isEmpty. Operand 5703 states and 8478 transitions. [2021-12-22 15:19:27,398 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 345 [2021-12-22 15:19:27,398 INFO L506 BasicCegarLoop]: Found error trace [2021-12-22 15:19:27,399 INFO L514 BasicCegarLoop]: trace histogram [16, 16, 16, 16, 16, 16, 16, 16, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 15:19:27,399 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-12-22 15:19:27,399 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-22 15:19:27,400 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-22 15:19:27,400 INFO L85 PathProgramCache]: Analyzing trace with hash -196395888, now seen corresponding path program 1 times [2021-12-22 15:19:27,400 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-22 15:19:27,400 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1826772432] [2021-12-22 15:19:27,401 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-22 15:19:27,401 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-22 15:19:27,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:19:27,730 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-22 15:19:27,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:19:27,741 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:19:27,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:19:27,746 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-22 15:19:27,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:19:27,752 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-22 15:19:27,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:19:27,761 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:19:27,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:19:27,767 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-22 15:19:27,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:19:27,772 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-12-22 15:19:27,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:19:27,787 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:19:27,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:19:27,793 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-22 15:19:27,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:19:27,798 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-12-22 15:19:27,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:19:27,805 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:19:27,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:19:27,810 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-22 15:19:27,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:19:27,815 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2021-12-22 15:19:27,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:19:27,824 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:19:27,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:19:27,828 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-22 15:19:27,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:19:27,833 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2021-12-22 15:19:27,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:19:27,841 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:19:27,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:19:27,846 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-22 15:19:27,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:19:27,870 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2021-12-22 15:19:27,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:19:27,883 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:19:27,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:19:27,887 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-22 15:19:27,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:19:27,892 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2021-12-22 15:19:27,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:19:27,899 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:19:27,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:19:27,904 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-22 15:19:27,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:19:27,909 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2021-12-22 15:19:27,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:19:27,917 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:19:27,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:19:27,922 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-22 15:19:27,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:19:27,934 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2021-12-22 15:19:27,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:19:27,940 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:19:27,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:19:27,945 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2021-12-22 15:19:27,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:19:27,951 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:19:27,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:19:27,956 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2021-12-22 15:19:27,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:19:27,961 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:19:27,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:19:27,967 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2021-12-22 15:19:27,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:19:27,974 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:19:27,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:19:27,979 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2021-12-22 15:19:27,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:19:27,985 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:19:27,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:19:27,989 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2021-12-22 15:19:27,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:19:27,995 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:19:27,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:19:28,000 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2021-12-22 15:19:28,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:19:28,007 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:19:28,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:19:28,011 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2021-12-22 15:19:28,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:19:28,018 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:19:28,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:19:28,022 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 235 [2021-12-22 15:19:28,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:19:28,029 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:19:28,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:19:28,034 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 246 [2021-12-22 15:19:28,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:19:28,041 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:19:28,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:19:28,046 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 257 [2021-12-22 15:19:28,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:19:28,056 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:19:28,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:19:28,061 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 268 [2021-12-22 15:19:28,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:19:28,068 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:19:28,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:19:28,073 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 279 [2021-12-22 15:19:28,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:19:28,081 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:19:28,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:19:28,086 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 290 [2021-12-22 15:19:28,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:19:28,093 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:19:28,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:19:28,098 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 301 [2021-12-22 15:19:28,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:19:28,107 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:19:28,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:19:28,112 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 312 [2021-12-22 15:19:28,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:19:28,120 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:19:28,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:19:28,129 INFO L134 CoverageAnalysis]: Checked inductivity of 1584 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1584 trivial. 0 not checked. [2021-12-22 15:19:28,129 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-22 15:19:28,129 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1826772432] [2021-12-22 15:19:28,129 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1826772432] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-22 15:19:28,129 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-22 15:19:28,130 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-22 15:19:28,130 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2096288843] [2021-12-22 15:19:28,130 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-22 15:19:28,131 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-22 15:19:28,131 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-22 15:19:28,131 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-22 15:19:28,131 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-12-22 15:19:28,132 INFO L87 Difference]: Start difference. First operand 5703 states and 8478 transitions. Second operand has 6 states, 6 states have (on average 10.0) internal successors, (60), 3 states have internal predecessors, (60), 2 states have call successors, (32), 5 states have call predecessors, (32), 1 states have return successors, (28), 1 states have call predecessors, (28), 1 states have call successors, (28) [2021-12-22 15:19:39,678 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-22 15:19:39,678 INFO L93 Difference]: Finished difference Result 18549 states and 27890 transitions. [2021-12-22 15:19:39,678 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-22 15:19:39,678 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 10.0) internal successors, (60), 3 states have internal predecessors, (60), 2 states have call successors, (32), 5 states have call predecessors, (32), 1 states have return successors, (28), 1 states have call predecessors, (28), 1 states have call successors, (28) Word has length 344 [2021-12-22 15:19:39,679 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-22 15:19:39,832 INFO L225 Difference]: With dead ends: 18549 [2021-12-22 15:19:39,832 INFO L226 Difference]: Without dead ends: 12905 [2021-12-22 15:19:39,855 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 127 GetRequests, 120 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 15:19:39,856 INFO L933 BasicCegarLoop]: 4789 mSDtfsCounter, 7457 mSDsluCounter, 7927 mSDsCounter, 0 mSdLazyCounter, 4910 mSolverCounterSat, 4350 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8069 SdHoareTripleChecker+Valid, 12716 SdHoareTripleChecker+Invalid, 9260 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 4350 IncrementalHoareTripleChecker+Valid, 4910 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 11.0s IncrementalHoareTripleChecker+Time [2021-12-22 15:19:39,856 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [8069 Valid, 12716 Invalid, 9260 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [4350 Valid, 4910 Invalid, 0 Unknown, 0 Unchecked, 11.0s Time] [2021-12-22 15:19:39,867 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12905 states. [2021-12-22 15:19:40,204 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12905 to 11283. [2021-12-22 15:19:40,230 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11283 states, 7952 states have (on average 1.385814889336016) internal successors, (11020), 8199 states have internal predecessors, (11020), 2877 states have call successors, (2877), 454 states have call predecessors, (2877), 453 states have return successors, (2876), 2845 states have call predecessors, (2876), 2876 states have call successors, (2876) [2021-12-22 15:19:40,272 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11283 states to 11283 states and 16773 transitions. [2021-12-22 15:19:40,275 INFO L78 Accepts]: Start accepts. Automaton has 11283 states and 16773 transitions. Word has length 344 [2021-12-22 15:19:40,276 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-22 15:19:40,276 INFO L470 AbstractCegarLoop]: Abstraction has 11283 states and 16773 transitions. [2021-12-22 15:19:40,278 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 10.0) internal successors, (60), 3 states have internal predecessors, (60), 2 states have call successors, (32), 5 states have call predecessors, (32), 1 states have return successors, (28), 1 states have call predecessors, (28), 1 states have call successors, (28) [2021-12-22 15:19:40,278 INFO L276 IsEmpty]: Start isEmpty. Operand 11283 states and 16773 transitions. [2021-12-22 15:19:40,281 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 347 [2021-12-22 15:19:40,282 INFO L506 BasicCegarLoop]: Found error trace [2021-12-22 15:19:40,282 INFO L514 BasicCegarLoop]: trace histogram [16, 16, 16, 16, 16, 16, 16, 16, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 15:19:40,282 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-12-22 15:19:40,282 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-22 15:19:40,282 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-22 15:19:40,283 INFO L85 PathProgramCache]: Analyzing trace with hash 1017833455, now seen corresponding path program 1 times [2021-12-22 15:19:40,284 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-22 15:19:40,284 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [736308326] [2021-12-22 15:19:40,284 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-22 15:19:40,284 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-22 15:19:40,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:19:40,587 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-22 15:19:40,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:19:40,596 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:19:40,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:19:40,601 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-22 15:19:40,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:19:40,606 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-22 15:19:40,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:19:40,612 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:19:40,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:19:40,617 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-22 15:19:40,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:19:40,621 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-12-22 15:19:40,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:19:40,627 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:19:40,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:19:40,631 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-22 15:19:40,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:19:40,635 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-12-22 15:19:40,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:19:40,641 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:19:40,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:19:40,645 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-22 15:19:40,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:19:40,649 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2021-12-22 15:19:40,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:19:40,655 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:19:40,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:19:40,659 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-22 15:19:40,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:19:40,663 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2021-12-22 15:19:40,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:19:40,669 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:19:40,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:19:40,673 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-22 15:19:40,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:19:40,677 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2021-12-22 15:19:40,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:19:40,690 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:19:40,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:19:40,694 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-22 15:19:40,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:19:40,698 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2021-12-22 15:19:40,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:19:40,707 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:19:40,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:19:40,711 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-22 15:19:40,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:19:40,716 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2021-12-22 15:19:40,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:19:40,723 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:19:40,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:19:40,729 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-22 15:19:40,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:19:40,738 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2021-12-22 15:19:40,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:19:40,746 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:19:40,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:19:40,751 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2021-12-22 15:19:40,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:19:40,757 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:19:40,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:19:40,761 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2021-12-22 15:19:40,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:19:40,768 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:19:40,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:19:40,773 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2021-12-22 15:19:40,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:19:40,779 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:19:40,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:19:40,783 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2021-12-22 15:19:40,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:19:40,790 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:19:40,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:19:40,796 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2021-12-22 15:19:40,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:19:40,802 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:19:40,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:19:40,807 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2021-12-22 15:19:40,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:19:40,813 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:19:40,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:19:40,818 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2021-12-22 15:19:40,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:19:40,825 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:19:40,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:19:40,830 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 235 [2021-12-22 15:19:40,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:19:40,837 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:19:40,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:19:40,842 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 246 [2021-12-22 15:19:40,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:19:40,850 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:19:40,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:19:40,855 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 257 [2021-12-22 15:19:40,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:19:40,863 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:19:40,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:19:40,868 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 268 [2021-12-22 15:19:40,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:19:40,878 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:19:40,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:19:40,884 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 279 [2021-12-22 15:19:40,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:19:40,891 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:19:40,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:19:40,897 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 290 [2021-12-22 15:19:40,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:19:40,904 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:19:40,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:19:40,911 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 301 [2021-12-22 15:19:40,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:19:40,919 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:19:40,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:19:40,925 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 312 [2021-12-22 15:19:40,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:19:40,933 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:19:40,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:19:40,939 INFO L134 CoverageAnalysis]: Checked inductivity of 1584 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1584 trivial. 0 not checked. [2021-12-22 15:19:40,939 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-22 15:19:40,940 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [736308326] [2021-12-22 15:19:40,940 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [736308326] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-22 15:19:40,940 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-22 15:19:40,940 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-22 15:19:40,940 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [326356157] [2021-12-22 15:19:40,940 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-22 15:19:40,941 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-22 15:19:40,941 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-22 15:19:40,941 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-22 15:19:40,942 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-12-22 15:19:40,942 INFO L87 Difference]: Start difference. First operand 11283 states and 16773 transitions. Second operand has 6 states, 6 states have (on average 10.333333333333334) internal successors, (62), 3 states have internal predecessors, (62), 2 states have call successors, (32), 5 states have call predecessors, (32), 1 states have return successors, (28), 1 states have call predecessors, (28), 1 states have call successors, (28) [2021-12-22 15:19:54,930 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-22 15:19:54,931 INFO L93 Difference]: Finished difference Result 36490 states and 54849 transitions. [2021-12-22 15:19:54,931 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-22 15:19:54,931 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 10.333333333333334) internal successors, (62), 3 states have internal predecessors, (62), 2 states have call successors, (32), 5 states have call predecessors, (32), 1 states have return successors, (28), 1 states have call predecessors, (28), 1 states have call successors, (28) Word has length 346 [2021-12-22 15:19:54,932 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-22 15:19:55,070 INFO L225 Difference]: With dead ends: 36490 [2021-12-22 15:19:55,070 INFO L226 Difference]: Without dead ends: 25266 [2021-12-22 15:19:55,119 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 127 GetRequests, 120 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 15:19:55,120 INFO L933 BasicCegarLoop]: 5042 mSDtfsCounter, 6298 mSDsluCounter, 10093 mSDsCounter, 0 mSdLazyCounter, 6836 mSolverCounterSat, 3978 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 11.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6911 SdHoareTripleChecker+Valid, 15135 SdHoareTripleChecker+Invalid, 10814 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 3978 IncrementalHoareTripleChecker+Valid, 6836 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 13.2s IncrementalHoareTripleChecker+Time [2021-12-22 15:19:55,120 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [6911 Valid, 15135 Invalid, 10814 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [3978 Valid, 6836 Invalid, 0 Unknown, 0 Unchecked, 13.2s Time] [2021-12-22 15:19:55,142 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25266 states. [2021-12-22 15:19:55,862 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25266 to 22164. [2021-12-22 15:19:55,890 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22164 states, 15623 states have (on average 1.3867375024003072) internal successors, (21665), 16111 states have internal predecessors, (21665), 5647 states have call successors, (5647), 894 states have call predecessors, (5647), 893 states have return successors, (5646), 5587 states have call predecessors, (5646), 5646 states have call successors, (5646) [2021-12-22 15:19:55,993 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22164 states to 22164 states and 32958 transitions. [2021-12-22 15:19:55,996 INFO L78 Accepts]: Start accepts. Automaton has 22164 states and 32958 transitions. Word has length 346 [2021-12-22 15:19:55,998 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-22 15:19:55,998 INFO L470 AbstractCegarLoop]: Abstraction has 22164 states and 32958 transitions. [2021-12-22 15:19:55,998 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 10.333333333333334) internal successors, (62), 3 states have internal predecessors, (62), 2 states have call successors, (32), 5 states have call predecessors, (32), 1 states have return successors, (28), 1 states have call predecessors, (28), 1 states have call successors, (28) [2021-12-22 15:19:55,998 INFO L276 IsEmpty]: Start isEmpty. Operand 22164 states and 32958 transitions. [2021-12-22 15:19:56,004 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 363 [2021-12-22 15:19:56,004 INFO L506 BasicCegarLoop]: Found error trace [2021-12-22 15:19:56,004 INFO L514 BasicCegarLoop]: trace histogram [16, 16, 16, 16, 16, 16, 16, 16, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 15:19:56,005 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-12-22 15:19:56,005 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-22 15:19:56,005 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-22 15:19:56,005 INFO L85 PathProgramCache]: Analyzing trace with hash -1534667843, now seen corresponding path program 1 times [2021-12-22 15:19:56,005 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-22 15:19:56,005 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1538642031] [2021-12-22 15:19:56,006 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-22 15:19:56,006 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-22 15:19:56,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:19:56,313 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-22 15:19:56,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:19:56,321 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:19:56,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:19:56,326 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-22 15:19:56,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:19:56,330 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-22 15:19:56,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:19:56,338 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:19:56,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:19:56,342 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-22 15:19:56,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:19:56,346 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-12-22 15:19:56,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:19:56,357 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:19:56,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:19:56,361 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-22 15:19:56,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:19:56,365 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-12-22 15:19:56,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:19:56,376 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:19:56,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:19:56,381 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-22 15:19:56,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:19:56,385 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2021-12-22 15:19:56,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:19:56,398 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:19:56,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:19:56,403 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-22 15:19:56,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:19:56,418 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2021-12-22 15:19:56,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:19:56,425 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:19:56,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:19:56,429 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-22 15:19:56,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:19:56,441 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2021-12-22 15:19:56,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:19:56,448 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:19:56,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:19:56,452 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-22 15:19:56,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:19:56,456 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2021-12-22 15:19:56,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:19:56,463 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:19:56,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:19:56,467 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-22 15:19:56,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:19:56,471 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2021-12-22 15:19:56,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:19:56,478 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:19:56,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:19:56,482 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-22 15:19:56,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:19:56,494 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2021-12-22 15:19:56,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:19:56,500 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:19:56,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:19:56,504 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2021-12-22 15:19:56,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:19:56,510 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:19:56,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:19:56,514 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2021-12-22 15:19:56,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:19:56,520 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:19:56,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:19:56,525 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2021-12-22 15:19:56,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:19:56,530 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:19:56,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:19:56,535 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2021-12-22 15:19:56,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:19:56,541 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:19:56,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:19:56,545 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2021-12-22 15:19:56,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:19:56,551 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:19:56,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:19:56,555 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2021-12-22 15:19:56,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:19:56,560 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:19:56,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:19:56,565 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2021-12-22 15:19:56,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:19:56,570 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:19:56,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:19:56,574 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 235 [2021-12-22 15:19:56,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:19:56,581 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:19:56,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:19:56,586 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 246 [2021-12-22 15:19:56,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:19:56,593 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:19:56,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:19:56,598 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 257 [2021-12-22 15:19:56,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:19:56,604 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:19:56,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:19:56,608 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 268 [2021-12-22 15:19:56,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:19:56,614 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:19:56,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:19:56,619 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 279 [2021-12-22 15:19:56,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:19:56,625 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:19:56,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:19:56,629 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 290 [2021-12-22 15:19:56,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:19:56,636 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:19:56,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:19:56,640 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 301 [2021-12-22 15:19:56,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:19:56,647 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:19:56,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:19:56,651 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 312 [2021-12-22 15:19:56,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:19:56,658 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:19:56,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:19:56,662 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 346 [2021-12-22 15:19:56,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:19:56,669 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 351 [2021-12-22 15:19:56,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:19:56,674 INFO L134 CoverageAnalysis]: Checked inductivity of 1584 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1584 trivial. 0 not checked. [2021-12-22 15:19:56,674 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-22 15:19:56,675 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1538642031] [2021-12-22 15:19:56,675 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1538642031] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-22 15:19:56,675 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-22 15:19:56,675 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-12-22 15:19:56,675 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1735984080] [2021-12-22 15:19:56,675 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-22 15:19:56,676 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-12-22 15:19:56,676 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-22 15:19:56,676 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-12-22 15:19:56,677 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2021-12-22 15:19:56,677 INFO L87 Difference]: Start difference. First operand 22164 states and 32958 transitions. Second operand has 7 states, 7 states have (on average 10.714285714285714) internal successors, (75), 3 states have internal predecessors, (75), 2 states have call successors, (33), 6 states have call predecessors, (33), 1 states have return successors, (30), 2 states have call predecessors, (30), 2 states have call successors, (30)