./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--misc--sgi-xp--xpc.ko-main.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-consumption/32_7a_cilled_linux-3.8-rc1-drivers--misc--sgi-xp--xpc.ko-main.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 fc0d7108b14cf7ade4256acdb7ea5c36ccda70628af318ac7331527caf0f1ef8 --- Real Ultimate output --- This is Ultimate 0.2.2-dev-e19ca92 [2021-12-22 14:31:30,036 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-22 14:31:30,062 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-22 14:31:30,080 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-22 14:31:30,083 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-22 14:31:30,085 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-22 14:31:30,087 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-22 14:31:30,093 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-22 14:31:30,095 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-22 14:31:30,099 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-22 14:31:30,100 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-22 14:31:30,101 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-22 14:31:30,102 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-22 14:31:30,103 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-22 14:31:30,105 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-22 14:31:30,106 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-22 14:31:30,107 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-22 14:31:30,108 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-22 14:31:30,108 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-22 14:31:30,113 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-22 14:31:30,116 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-22 14:31:30,118 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-22 14:31:30,118 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-22 14:31:30,119 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-22 14:31:30,121 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-22 14:31:30,123 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-22 14:31:30,124 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-22 14:31:30,125 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-22 14:31:30,125 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-22 14:31:30,126 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-22 14:31:30,126 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-22 14:31:30,126 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-22 14:31:30,127 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-22 14:31:30,127 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-22 14:31:30,128 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-22 14:31:30,128 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-22 14:31:30,128 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-22 14:31:30,129 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-22 14:31:30,129 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-22 14:31:30,129 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-22 14:31:30,130 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-22 14:31:30,131 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2021-12-22 14:31:30,168 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-22 14:31:30,169 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-22 14:31:30,169 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-22 14:31:30,170 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-22 14:31:30,170 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-22 14:31:30,170 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-22 14:31:30,171 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-22 14:31:30,171 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-22 14:31:30,171 INFO L138 SettingsManager]: * Use SBE=true [2021-12-22 14:31:30,171 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-22 14:31:30,172 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-22 14:31:30,172 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-22 14:31:30,172 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-22 14:31:30,172 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-22 14:31:30,172 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-22 14:31:30,173 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-22 14:31:30,173 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-22 14:31:30,173 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-22 14:31:30,173 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-22 14:31:30,173 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-22 14:31:30,173 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-22 14:31:30,173 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-22 14:31:30,174 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-22 14:31:30,174 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-22 14:31:30,174 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-22 14:31:30,174 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-22 14:31:30,174 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-22 14:31:30,174 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-22 14:31:30,174 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-22 14:31:30,175 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-22 14:31:30,175 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-22 14:31:30,175 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> fc0d7108b14cf7ade4256acdb7ea5c36ccda70628af318ac7331527caf0f1ef8 [2021-12-22 14:31:30,384 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-22 14:31:30,398 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-22 14:31:30,400 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-22 14:31:30,400 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-22 14:31:30,401 INFO L275 PluginConnector]: CDTParser initialized [2021-12-22 14:31:30,402 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--misc--sgi-xp--xpc.ko-main.cil.out.i [2021-12-22 14:31:30,439 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/211f54b54/a424ffbd1b754524862a8284b83f07c9/FLAGf035c9ec7 [2021-12-22 14:31:31,059 INFO L306 CDTParser]: Found 1 translation units. [2021-12-22 14:31:31,060 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--misc--sgi-xp--xpc.ko-main.cil.out.i [2021-12-22 14:31:31,094 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/211f54b54/a424ffbd1b754524862a8284b83f07c9/FLAGf035c9ec7 [2021-12-22 14:31:31,182 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/211f54b54/a424ffbd1b754524862a8284b83f07c9 [2021-12-22 14:31:31,184 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-22 14:31:31,185 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-22 14:31:31,186 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-22 14:31:31,186 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-22 14:31:31,188 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-22 14:31:31,189 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.12 02:31:31" (1/1) ... [2021-12-22 14:31:31,189 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1b456139 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 02:31:31, skipping insertion in model container [2021-12-22 14:31:31,190 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.12 02:31:31" (1/1) ... [2021-12-22 14:31:31,194 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-22 14:31:31,268 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-22 14:31:32,832 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-consumption/32_7a_cilled_linux-3.8-rc1-drivers--misc--sgi-xp--xpc.ko-main.cil.out.i[329752,329765] [2021-12-22 14:31:32,891 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-22 14:31:32,934 INFO L203 MainTranslator]: Completed pre-run [2021-12-22 14:31:33,185 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-consumption/32_7a_cilled_linux-3.8-rc1-drivers--misc--sgi-xp--xpc.ko-main.cil.out.i[329752,329765] [2021-12-22 14:31:33,194 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-22 14:31:33,279 INFO L208 MainTranslator]: Completed translation [2021-12-22 14:31:33,280 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 02:31:33 WrapperNode [2021-12-22 14:31:33,281 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-22 14:31:33,282 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-22 14:31:33,282 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-22 14:31:33,282 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-22 14:31:33,286 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 02:31:33" (1/1) ... [2021-12-22 14:31:33,369 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 02:31:33" (1/1) ... [2021-12-22 14:31:33,539 INFO L137 Inliner]: procedures = 380, calls = 3772, calls flagged for inlining = 111, calls inlined = 106, statements flattened = 6716 [2021-12-22 14:31:33,540 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-22 14:31:33,541 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-22 14:31:33,541 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-22 14:31:33,541 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-22 14:31:33,547 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 02:31:33" (1/1) ... [2021-12-22 14:31:33,547 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 02:31:33" (1/1) ... [2021-12-22 14:31:33,584 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 02:31:33" (1/1) ... [2021-12-22 14:31:33,585 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 02:31:33" (1/1) ... [2021-12-22 14:31:33,684 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 02:31:33" (1/1) ... [2021-12-22 14:31:33,718 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 02:31:33" (1/1) ... [2021-12-22 14:31:33,837 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 02:31:33" (1/1) ... [2021-12-22 14:31:33,875 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-22 14:31:33,876 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-22 14:31:33,877 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-22 14:31:33,877 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-22 14:31:33,878 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 02:31:33" (1/1) ... [2021-12-22 14:31:33,885 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-22 14:31:33,893 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-22 14:31:33,902 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 14:31:33,920 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 14:31:33,929 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_setup_msg_structures_uv [2021-12-22 14:31:33,929 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_setup_msg_structures_uv [2021-12-22 14:31:33,929 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_set [2021-12-22 14:31:33,929 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_set [2021-12-22 14:31:33,930 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_heartbeat_init_uv [2021-12-22 14:31:33,930 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_heartbeat_init_uv [2021-12-22 14:31:33,930 INFO L130 BoogieDeclarations]: Found specification of procedure __cmpxchg_wrong_size [2021-12-22 14:31:33,930 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_allow_hb_uv [2021-12-22 14:31:33,930 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_allow_hb_uv [2021-12-22 14:31:33,930 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_teardown_partitions_uv [2021-12-22 14:31:33,930 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_teardown_partitions_uv [2021-12-22 14:31:33,930 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_kthread_waitmsgs [2021-12-22 14:31:33,930 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_kthread_waitmsgs [2021-12-22 14:31:33,931 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_send_chctl_opencomplete_uv [2021-12-22 14:31:33,931 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_send_chctl_opencomplete_uv [2021-12-22 14:31:33,931 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-12-22 14:31:33,931 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-12-22 14:31:33,931 INFO L130 BoogieDeclarations]: Found specification of procedure wake_up_process [2021-12-22 14:31:33,931 INFO L138 BoogieDeclarations]: Found implementation of procedure wake_up_process [2021-12-22 14:31:33,931 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_teardown_msg_structures_uv [2021-12-22 14:31:33,931 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_teardown_msg_structures_uv [2021-12-22 14:31:33,932 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_teardown_rsvd_page [2021-12-22 14:31:33,932 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_teardown_rsvd_page [2021-12-22 14:31:33,932 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_partition_disengaged [2021-12-22 14:31:33,932 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_partition_disengaged [2021-12-22 14:31:33,932 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_wakeup_channel_mgr [2021-12-22 14:31:33,932 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_wakeup_channel_mgr [2021-12-22 14:31:33,932 INFO L130 BoogieDeclarations]: Found specification of procedure variable_test_bit [2021-12-22 14:31:33,932 INFO L138 BoogieDeclarations]: Found implementation of procedure variable_test_bit [2021-12-22 14:31:33,932 INFO L130 BoogieDeclarations]: Found specification of procedure get_current [2021-12-22 14:31:33,933 INFO L138 BoogieDeclarations]: Found implementation of procedure get_current [2021-12-22 14:31:33,933 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_sub_return [2021-12-22 14:31:33,933 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_sub_return [2021-12-22 14:31:33,933 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-12-22 14:31:33,933 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-12-22 14:31:33,933 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_kmalloc_cacheline_aligned [2021-12-22 14:31:33,933 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_kmalloc_cacheline_aligned [2021-12-22 14:31:33,934 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_setup_partitions_uv [2021-12-22 14:31:33,934 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_setup_partitions_uv [2021-12-22 14:31:33,934 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_offline_heartbeat_uv [2021-12-22 14:31:33,934 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_offline_heartbeat_uv [2021-12-22 14:31:33,934 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_release_gru_mq_irq_uv [2021-12-22 14:31:33,934 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_release_gru_mq_irq_uv [2021-12-22 14:31:33,934 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~X~int~TO~int [2021-12-22 14:31:33,934 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~X~int~TO~int [2021-12-22 14:31:33,935 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_size_call_parameter [2021-12-22 14:31:33,935 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_notify_sender_uv [2021-12-22 14:31:33,935 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_notify_sender_uv [2021-12-22 14:31:33,935 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_die_deactivate [2021-12-22 14:31:33,935 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_die_deactivate [2021-12-22 14:31:33,935 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_process_connect [2021-12-22 14:31:33,935 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_process_connect [2021-12-22 14:31:33,935 INFO L130 BoogieDeclarations]: Found specification of procedure free_irq [2021-12-22 14:31:33,936 INFO L138 BoogieDeclarations]: Found implementation of procedure free_irq [2021-12-22 14:31:33,936 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_trylock [2021-12-22 14:31:33,936 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_trylock [2021-12-22 14:31:33,936 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_die_notifier [2021-12-22 14:31:33,937 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_die_notifier [2021-12-22 14:31:33,937 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_check_remote_hb [2021-12-22 14:31:33,937 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_check_remote_hb [2021-12-22 14:31:33,937 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2021-12-22 14:31:33,938 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2021-12-22 14:31:33,938 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2021-12-22 14:31:33,938 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2021-12-22 14:31:33,938 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_init_fifo_uv [2021-12-22 14:31:33,938 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_init_fifo_uv [2021-12-22 14:31:33,938 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_cached_activate_gru_mq_desc_mutex_of_xpc_partition_uv [2021-12-22 14:31:33,938 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_cached_activate_gru_mq_desc_mutex_of_xpc_partition_uv [2021-12-22 14:31:33,938 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_msgqueue_ref [2021-12-22 14:31:33,938 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_msgqueue_ref [2021-12-22 14:31:33,939 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_received_payload_uv [2021-12-22 14:31:33,939 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_received_payload_uv [2021-12-22 14:31:33,939 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_read [2021-12-22 14:31:33,939 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_read [2021-12-22 14:31:33,939 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_kthread_start [2021-12-22 14:31:33,940 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_kthread_start [2021-12-22 14:31:33,940 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_part_ref [2021-12-22 14:31:33,940 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_part_ref [2021-12-22 14:31:33,940 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_create_kthreads [2021-12-22 14:31:33,940 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_create_kthreads [2021-12-22 14:31:33,940 INFO L130 BoogieDeclarations]: Found specification of procedure msleep_interruptible [2021-12-22 14:31:33,940 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep_interruptible [2021-12-22 14:31:33,940 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_send_local_activate_IRQ_uv [2021-12-22 14:31:33,940 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_send_local_activate_IRQ_uv [2021-12-22 14:31:33,940 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock [2021-12-22 14:31:33,941 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock [2021-12-22 14:31:33,941 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_exit_uv [2021-12-22 14:31:33,941 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_exit_uv [2021-12-22 14:31:33,941 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2021-12-22 14:31:33,941 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2021-12-22 14:31:33,941 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_put_fifo_entry_uv [2021-12-22 14:31:33,941 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_put_fifo_entry_uv [2021-12-22 14:31:33,942 INFO L130 BoogieDeclarations]: Found specification of procedure uv_blade_to_pnode [2021-12-22 14:31:33,942 INFO L138 BoogieDeclarations]: Found implementation of procedure uv_blade_to_pnode [2021-12-22 14:31:33,942 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_process_activate_IRQ_rcvd_uv [2021-12-22 14:31:33,942 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_process_activate_IRQ_rcvd_uv [2021-12-22 14:31:33,943 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_send_activate_IRQ_uv [2021-12-22 14:31:33,943 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_send_activate_IRQ_uv [2021-12-22 14:31:33,943 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_send_payload_uv [2021-12-22 14:31:33,943 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_send_payload_uv [2021-12-22 14:31:33,944 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_free_msg_slot_uv [2021-12-22 14:31:33,944 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_free_msg_slot_uv [2021-12-22 14:31:33,944 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_cached_activate_gru_mq_desc_mutex_of_xpc_partition_uv [2021-12-22 14:31:33,944 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_cached_activate_gru_mq_desc_mutex_of_xpc_partition_uv [2021-12-22 14:31:33,944 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-12-22 14:31:33,944 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_indicate_partition_engaged_uv [2021-12-22 14:31:33,944 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_indicate_partition_engaged_uv [2021-12-22 14:31:33,944 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_process_openclose_chctl_flags [2021-12-22 14:31:33,944 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_process_openclose_chctl_flags [2021-12-22 14:31:33,945 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-12-22 14:31:33,945 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_process_msg_chctl_flags_uv [2021-12-22 14:31:33,945 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_process_msg_chctl_flags_uv [2021-12-22 14:31:33,945 INFO L130 BoogieDeclarations]: Found specification of procedure add_timer [2021-12-22 14:31:33,945 INFO L138 BoogieDeclarations]: Found implementation of procedure add_timer [2021-12-22 14:31:33,945 INFO L130 BoogieDeclarations]: Found specification of procedure __xadd_wrong_size [2021-12-22 14:31:33,945 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_msgqueue_deref [2021-12-22 14:31:33,946 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_msgqueue_deref [2021-12-22 14:31:33,946 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_send_chctl_closereply_uv [2021-12-22 14:31:33,946 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_send_chctl_closereply_uv [2021-12-22 14:31:33,948 INFO L130 BoogieDeclarations]: Found specification of procedure signal_pending [2021-12-22 14:31:33,948 INFO L138 BoogieDeclarations]: Found implementation of procedure signal_pending [2021-12-22 14:31:33,948 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2021-12-22 14:31:33,948 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2021-12-22 14:31:33,949 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_connect_channel [2021-12-22 14:31:33,950 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_connect_channel [2021-12-22 14:31:33,950 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_cache_remote_gru_mq_desc_uv [2021-12-22 14:31:33,950 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_cache_remote_gru_mq_desc_uv [2021-12-22 14:31:33,950 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_teardown_ch_structures_uv [2021-12-22 14:31:33,954 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_teardown_ch_structures_uv [2021-12-22 14:31:33,954 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~TO~int [2021-12-22 14:31:33,954 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~TO~int [2021-12-22 14:31:33,954 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-12-22 14:31:33,954 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_request_partition_activation_uv [2021-12-22 14:31:33,954 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_request_partition_activation_uv [2021-12-22 14:31:33,955 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_activating [2021-12-22 14:31:33,955 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_activating [2021-12-22 14:31:33,955 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-12-22 14:31:33,955 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_disconnect_callout [2021-12-22 14:31:33,955 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_disconnect_callout [2021-12-22 14:31:33,955 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_deactivate_partition [2021-12-22 14:31:33,955 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_deactivate_partition [2021-12-22 14:31:33,955 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_indicate_partition_disengaged_uv [2021-12-22 14:31:33,955 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_indicate_partition_disengaged_uv [2021-12-22 14:31:33,955 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_disconnect_channel [2021-12-22 14:31:33,955 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_disconnect_channel [2021-12-22 14:31:33,956 INFO L130 BoogieDeclarations]: Found specification of procedure find_next_bit [2021-12-22 14:31:33,956 INFO L138 BoogieDeclarations]: Found implementation of procedure find_next_bit [2021-12-22 14:31:33,956 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~~TO~int [2021-12-22 14:31:33,956 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~~TO~int [2021-12-22 14:31:33,956 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2021-12-22 14:31:33,956 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2021-12-22 14:31:33,956 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2021-12-22 14:31:33,956 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2021-12-22 14:31:33,956 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irqsave [2021-12-22 14:31:33,956 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irqsave [2021-12-22 14:31:33,957 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_channel_mgr [2021-12-22 14:31:33,957 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_channel_mgr [2021-12-22 14:31:33,957 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_save_remote_msgqueue_pa_uv [2021-12-22 14:31:33,957 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_save_remote_msgqueue_pa_uv [2021-12-22 14:31:33,957 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_send_chctl_openrequest_uv [2021-12-22 14:31:33,957 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_send_chctl_openrequest_uv [2021-12-22 14:31:33,957 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_heartbeat_exit_uv [2021-12-22 14:31:33,957 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_heartbeat_exit_uv [2021-12-22 14:31:33,957 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_setup_ch_structures [2021-12-22 14:31:33,957 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_setup_ch_structures [2021-12-22 14:31:33,958 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2021-12-22 14:31:33,958 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2021-12-22 14:31:33,958 INFO L130 BoogieDeclarations]: Found specification of procedure free_pages [2021-12-22 14:31:33,958 INFO L138 BoogieDeclarations]: Found implementation of procedure free_pages [2021-12-22 14:31:33,958 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_any_partition_engaged_uv [2021-12-22 14:31:33,958 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_any_partition_engaged_uv [2021-12-22 14:31:33,958 INFO L130 BoogieDeclarations]: Found specification of procedure schedule [2021-12-22 14:31:33,958 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule [2021-12-22 14:31:33,958 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2021-12-22 14:31:33,958 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2021-12-22 14:31:33,958 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2021-12-22 14:31:33,959 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_get_rsvd_page_pa [2021-12-22 14:31:33,959 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_get_rsvd_page_pa [2021-12-22 14:31:33,959 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_activate_partition [2021-12-22 14:31:33,959 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_activate_partition [2021-12-22 14:31:33,959 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_send_activate_IRQ_part_uv [2021-12-22 14:31:33,959 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_send_activate_IRQ_part_uv [2021-12-22 14:31:33,959 INFO L130 BoogieDeclarations]: Found specification of procedure uv_cpu_to_blade_id [2021-12-22 14:31:33,959 INFO L138 BoogieDeclarations]: Found implementation of procedure uv_cpu_to_blade_id [2021-12-22 14:31:33,959 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_initiate_discovery [2021-12-22 14:31:33,959 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_initiate_discovery [2021-12-22 14:31:33,959 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2021-12-22 14:31:33,960 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2021-12-22 14:31:33,960 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_request_partition_reactivation_uv [2021-12-22 14:31:33,960 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_request_partition_reactivation_uv [2021-12-22 14:31:33,960 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2021-12-22 14:31:33,960 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_activate_kthreads [2021-12-22 14:31:33,960 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_activate_kthreads [2021-12-22 14:31:33,960 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-12-22 14:31:33,960 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_partition_engaged_uv [2021-12-22 14:31:33,960 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_partition_engaged_uv [2021-12-22 14:31:33,960 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer_sync [2021-12-22 14:31:33,961 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer_sync [2021-12-22 14:31:33,961 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_send_gru_msg [2021-12-22 14:31:33,961 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_send_gru_msg [2021-12-22 14:31:33,961 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2021-12-22 14:31:33,961 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2021-12-22 14:31:33,961 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_create_gru_mq_uv [2021-12-22 14:31:33,961 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_create_gru_mq_uv [2021-12-22 14:31:33,961 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_reboot_notifier [2021-12-22 14:31:33,962 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_reboot_notifier [2021-12-22 14:31:33,962 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_part_deref [2021-12-22 14:31:33,962 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_part_deref [2021-12-22 14:31:33,962 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_send_chctl_closerequest_uv [2021-12-22 14:31:33,962 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_send_chctl_closerequest_uv [2021-12-22 14:31:33,962 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_disallow_all_hbs_uv [2021-12-22 14:31:33,962 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_disallow_all_hbs_uv [2021-12-22 14:31:33,962 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_timeout_partition_disengage [2021-12-22 14:31:33,962 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_timeout_partition_disengage [2021-12-22 14:31:33,962 INFO L130 BoogieDeclarations]: Found specification of procedure cpumask_of_node [2021-12-22 14:31:33,963 INFO L138 BoogieDeclarations]: Found implementation of procedure cpumask_of_node [2021-12-22 14:31:33,963 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_init_mq_node [2021-12-22 14:31:33,963 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_init_mq_node [2021-12-22 14:31:33,963 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_destroy_gru_mq_uv [2021-12-22 14:31:33,963 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_destroy_gru_mq_uv [2021-12-22 14:31:33,963 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_discovery [2021-12-22 14:31:33,963 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_discovery [2021-12-22 14:31:33,963 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_get_partition_rsvd_page_pa_uv [2021-12-22 14:31:33,963 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_get_partition_rsvd_page_pa_uv [2021-12-22 14:31:33,963 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2021-12-22 14:31:33,964 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2021-12-22 14:31:33,964 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_send_activate_IRQ_ch_uv [2021-12-22 14:31:33,964 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_send_activate_IRQ_ch_uv [2021-12-22 14:31:33,964 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_increment_heartbeat_uv [2021-12-22 14:31:33,964 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_increment_heartbeat_uv [2021-12-22 14:31:33,964 INFO L130 BoogieDeclarations]: Found specification of procedure put_online_cpus [2021-12-22 14:31:33,964 INFO L138 BoogieDeclarations]: Found implementation of procedure put_online_cpus [2021-12-22 14:31:33,964 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-12-22 14:31:33,964 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_process_sent_chctl_flags [2021-12-22 14:31:33,964 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_process_sent_chctl_flags [2021-12-22 14:31:33,964 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_get_remote_heartbeat_uv [2021-12-22 14:31:33,965 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_get_remote_heartbeat_uv [2021-12-22 14:31:33,965 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2021-12-22 14:31:33,965 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2021-12-22 14:31:33,965 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_teardown_partitions [2021-12-22 14:31:33,965 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_teardown_partitions [2021-12-22 14:31:33,965 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_process_disconnect [2021-12-22 14:31:33,965 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_process_disconnect [2021-12-22 14:31:33,965 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_do_exit [2021-12-22 14:31:33,965 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_do_exit [2021-12-22 14:31:33,966 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_online_heartbeat_uv [2021-12-22 14:31:33,968 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_online_heartbeat_uv [2021-12-22 14:31:33,968 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_get_fifo_entry_uv [2021-12-22 14:31:33,968 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_get_fifo_entry_uv [2021-12-22 14:31:33,968 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_mutex_of_xpc_registration [2021-12-22 14:31:33,968 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_mutex_of_xpc_registration [2021-12-22 14:31:33,968 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_disallow_hb_uv [2021-12-22 14:31:33,969 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_disallow_hb_uv [2021-12-22 14:31:33,969 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-12-22 14:31:33,969 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_send_chctl_openreply_uv [2021-12-22 14:31:33,970 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_send_chctl_openreply_uv [2021-12-22 14:31:33,970 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_hb_checker [2021-12-22 14:31:33,970 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_hb_checker [2021-12-22 14:31:33,970 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~~TO~VOID [2021-12-22 14:31:33,970 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~~TO~VOID [2021-12-22 14:31:33,970 INFO L130 BoogieDeclarations]: Found specification of procedure complete [2021-12-22 14:31:33,970 INFO L138 BoogieDeclarations]: Found implementation of procedure complete [2021-12-22 14:31:33,970 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_setup_ch_structures_uv [2021-12-22 14:31:33,970 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_setup_ch_structures_uv [2021-12-22 14:31:33,970 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_setup_rsvd_page_uv [2021-12-22 14:31:33,970 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_setup_rsvd_page_uv [2021-12-22 14:31:33,971 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-22 14:31:33,971 INFO L130 BoogieDeclarations]: Found specification of procedure cpumask_next [2021-12-22 14:31:33,971 INFO L138 BoogieDeclarations]: Found implementation of procedure cpumask_next [2021-12-22 14:31:33,971 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_inc [2021-12-22 14:31:33,971 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_inc [2021-12-22 14:31:33,971 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_request_partition_deactivation_uv [2021-12-22 14:31:33,971 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_request_partition_deactivation_uv [2021-12-22 14:31:33,971 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_get_chctl_all_flags_uv [2021-12-22 14:31:33,971 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_get_chctl_all_flags_uv [2021-12-22 14:31:33,971 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_gru_mq_watchlist_free_uv [2021-12-22 14:31:33,971 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_gru_mq_watchlist_free_uv [2021-12-22 14:31:33,972 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_partition_going_down [2021-12-22 14:31:33,972 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_partition_going_down [2021-12-22 14:31:33,972 INFO L130 BoogieDeclarations]: Found specification of procedure wait_for_completion [2021-12-22 14:31:33,972 INFO L138 BoogieDeclarations]: Found implementation of procedure wait_for_completion [2021-12-22 14:31:33,972 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-12-22 14:31:33,972 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2021-12-22 14:31:33,972 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2021-12-22 14:31:33,972 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2021-12-22 14:31:33,972 INFO L130 BoogieDeclarations]: Found specification of procedure current_thread_info [2021-12-22 14:31:33,972 INFO L138 BoogieDeclarations]: Found implementation of procedure current_thread_info [2021-12-22 14:31:33,972 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2021-12-22 14:31:33,973 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2021-12-22 14:31:33,973 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_dec [2021-12-22 14:31:33,973 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_dec [2021-12-22 14:31:33,973 INFO L130 BoogieDeclarations]: Found specification of procedure __wake_up [2021-12-22 14:31:33,973 INFO L138 BoogieDeclarations]: Found implementation of procedure __wake_up [2021-12-22 14:31:33,973 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_sysctl_table [2021-12-22 14:31:33,973 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_sysctl_table [2021-12-22 14:31:33,973 INFO L130 BoogieDeclarations]: Found specification of procedure uv_gpa [2021-12-22 14:31:33,974 INFO L138 BoogieDeclarations]: Found implementation of procedure uv_gpa [2021-12-22 14:31:33,974 INFO L130 BoogieDeclarations]: Found specification of procedure PTR_ERR [2021-12-22 14:31:33,974 INFO L138 BoogieDeclarations]: Found implementation of procedure PTR_ERR [2021-12-22 14:31:33,974 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~X~int~X~$Pointer$~X~$Pointer$~TO~VOID [2021-12-22 14:31:33,974 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~X~int~X~$Pointer$~X~$Pointer$~TO~VOID [2021-12-22 14:31:33,974 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_get_deliverable_payload_uv [2021-12-22 14:31:33,974 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_get_deliverable_payload_uv [2021-12-22 14:31:33,974 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_notify_senders_of_disconnect_uv [2021-12-22 14:31:33,974 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_notify_senders_of_disconnect_uv [2021-12-22 14:31:33,974 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_add_return [2021-12-22 14:31:33,974 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_add_return [2021-12-22 14:31:33,975 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_make_first_contact_uv [2021-12-22 14:31:33,975 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_make_first_contact_uv [2021-12-22 14:31:33,975 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_n_of_deliverable_payloads_uv [2021-12-22 14:31:33,975 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_n_of_deliverable_payloads_uv [2021-12-22 14:31:33,975 INFO L130 BoogieDeclarations]: Found specification of procedure init_timer_key [2021-12-22 14:31:33,975 INFO L138 BoogieDeclarations]: Found implementation of procedure init_timer_key [2021-12-22 14:31:33,975 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_get_remote_rp [2021-12-22 14:31:33,975 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_get_remote_rp [2021-12-22 14:31:33,975 INFO L130 BoogieDeclarations]: Found specification of procedure prepare_to_wait [2021-12-22 14:31:33,975 INFO L138 BoogieDeclarations]: Found implementation of procedure prepare_to_wait [2021-12-22 14:31:33,975 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_hb_beater [2021-12-22 14:31:33,976 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_hb_beater [2021-12-22 14:31:33,976 INFO L130 BoogieDeclarations]: Found specification of procedure is_uv_system [2021-12-22 14:31:33,976 INFO L138 BoogieDeclarations]: Found implementation of procedure is_uv_system [2021-12-22 14:31:33,976 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2021-12-22 14:31:33,976 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2021-12-22 14:31:33,976 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~TO~VOID [2021-12-22 14:31:33,976 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~TO~VOID [2021-12-22 14:31:33,976 INFO L130 BoogieDeclarations]: Found specification of procedure __init_waitqueue_head [2021-12-22 14:31:33,976 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_waitqueue_head [2021-12-22 14:31:33,976 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-22 14:31:33,976 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~VOID [2021-12-22 14:31:33,977 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~VOID [2021-12-22 14:31:33,977 INFO L130 BoogieDeclarations]: Found specification of procedure finish_wait [2021-12-22 14:31:33,977 INFO L138 BoogieDeclarations]: Found implementation of procedure finish_wait [2021-12-22 14:31:33,977 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-22 14:31:33,977 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-22 14:31:33,977 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_assume_partition_disengaged_uv [2021-12-22 14:31:33,977 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_assume_partition_disengaged_uv [2021-12-22 14:31:33,977 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2021-12-22 14:31:33,977 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2021-12-22 14:31:33,977 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_cancel_partition_deactivation_request_uv [2021-12-22 14:31:33,977 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_cancel_partition_deactivation_request_uv [2021-12-22 14:31:34,745 INFO L234 CfgBuilder]: Building ICFG [2021-12-22 14:31:34,749 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-22 14:31:40,799 INFO L275 CfgBuilder]: Performing block encoding [2021-12-22 14:31:40,812 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-22 14:31:40,813 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2021-12-22 14:31:40,816 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.12 02:31:40 BoogieIcfgContainer [2021-12-22 14:31:40,816 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-22 14:31:40,817 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-22 14:31:40,817 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-22 14:31:40,820 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-22 14:31:40,820 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.12 02:31:31" (1/3) ... [2021-12-22 14:31:40,820 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7abf6012 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.12 02:31:40, skipping insertion in model container [2021-12-22 14:31:40,820 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 02:31:33" (2/3) ... [2021-12-22 14:31:40,821 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7abf6012 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.12 02:31:40, skipping insertion in model container [2021-12-22 14:31:40,821 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.12 02:31:40" (3/3) ... [2021-12-22 14:31:40,822 INFO L111 eAbstractionObserver]: Analyzing ICFG 32_7a_cilled_linux-3.8-rc1-drivers--misc--sgi-xp--xpc.ko-main.cil.out.i [2021-12-22 14:31:40,825 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-22 14:31:40,825 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-12-22 14:31:40,866 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-22 14:31:40,872 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 14:31:40,873 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-12-22 14:31:40,922 INFO L276 IsEmpty]: Start isEmpty. Operand has 2800 states, 1892 states have (on average 1.3689217758985202) internal successors, (2590), 2002 states have internal predecessors, (2590), 746 states have call successors, (746), 160 states have call predecessors, (746), 160 states have return successors, (746), 711 states have call predecessors, (746), 746 states have call successors, (746) [2021-12-22 14:31:40,927 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2021-12-22 14:31:40,927 INFO L506 BasicCegarLoop]: Found error trace [2021-12-22 14:31:40,928 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-22 14:31:40,928 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-22 14:31:40,932 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-22 14:31:40,932 INFO L85 PathProgramCache]: Analyzing trace with hash 150157696, now seen corresponding path program 1 times [2021-12-22 14:31:40,939 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-22 14:31:40,940 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [844447340] [2021-12-22 14:31:40,940 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-22 14:31:40,941 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-22 14:31:41,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:31:41,475 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-22 14:31:41,476 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-22 14:31:41,476 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [844447340] [2021-12-22 14:31:41,476 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [844447340] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-22 14:31:41,477 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-22 14:31:41,477 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-22 14:31:41,478 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1064129268] [2021-12-22 14:31:41,479 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-22 14:31:41,481 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-22 14:31:41,482 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-22 14:31:41,505 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-22 14:31:41,506 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-22 14:31:41,512 INFO L87 Difference]: Start difference. First operand has 2800 states, 1892 states have (on average 1.3689217758985202) internal successors, (2590), 2002 states have internal predecessors, (2590), 746 states have call successors, (746), 160 states have call predecessors, (746), 160 states have return successors, (746), 711 states have call predecessors, (746), 746 states have call successors, (746) Second operand has 3 states, 3 states have (on average 5.0) internal successors, (15), 3 states have internal predecessors, (15), 1 states have call successors, (5), 1 states have call predecessors, (5), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-22 14:31:41,999 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-22 14:31:42,000 INFO L93 Difference]: Finished difference Result 8035 states and 12012 transitions. [2021-12-22 14:31:42,001 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-22 14:31:42,002 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 5.0) internal successors, (15), 3 states have internal predecessors, (15), 1 states have call successors, (5), 1 states have call predecessors, (5), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 20 [2021-12-22 14:31:42,002 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-22 14:31:42,035 INFO L225 Difference]: With dead ends: 8035 [2021-12-22 14:31:42,035 INFO L226 Difference]: Without dead ends: 5214 [2021-12-22 14:31:42,056 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-22 14:31:42,058 INFO L933 BasicCegarLoop]: 5964 mSDtfsCounter, 3469 mSDsluCounter, 3818 mSDsCounter, 0 mSdLazyCounter, 249 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3469 SdHoareTripleChecker+Valid, 9782 SdHoareTripleChecker+Invalid, 251 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 249 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2021-12-22 14:31:42,059 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3469 Valid, 9782 Invalid, 251 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 249 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2021-12-22 14:31:42,077 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5214 states. [2021-12-22 14:31:42,256 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5214 to 5196. [2021-12-22 14:31:42,264 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5196 states, 3492 states have (on average 1.3490836197021765) internal successors, (4711), 3699 states have internal predecessors, (4711), 1388 states have call successors, (1388), 316 states have call predecessors, (1388), 315 states have return successors, (1379), 1308 states have call predecessors, (1379), 1379 states have call successors, (1379) [2021-12-22 14:31:42,294 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5196 states to 5196 states and 7478 transitions. [2021-12-22 14:31:42,297 INFO L78 Accepts]: Start accepts. Automaton has 5196 states and 7478 transitions. Word has length 20 [2021-12-22 14:31:42,298 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-22 14:31:42,298 INFO L470 AbstractCegarLoop]: Abstraction has 5196 states and 7478 transitions. [2021-12-22 14:31:42,298 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 5.0) internal successors, (15), 3 states have internal predecessors, (15), 1 states have call successors, (5), 1 states have call predecessors, (5), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-22 14:31:42,298 INFO L276 IsEmpty]: Start isEmpty. Operand 5196 states and 7478 transitions. [2021-12-22 14:31:42,300 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-12-22 14:31:42,300 INFO L506 BasicCegarLoop]: Found error trace [2021-12-22 14:31:42,300 INFO L514 BasicCegarLoop]: trace histogram [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 14:31:42,301 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-12-22 14:31:42,301 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-22 14:31:42,301 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-22 14:31:42,301 INFO L85 PathProgramCache]: Analyzing trace with hash 888374678, now seen corresponding path program 1 times [2021-12-22 14:31:42,302 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-22 14:31:42,302 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1871395438] [2021-12-22 14:31:42,302 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-22 14:31:42,302 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-22 14:31:42,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:31:42,443 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-22 14:31:42,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:31:42,452 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-22 14:31:42,452 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-22 14:31:42,453 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1871395438] [2021-12-22 14:31:42,453 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1871395438] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-22 14:31:42,453 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-22 14:31:42,453 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-22 14:31:42,453 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1622346855] [2021-12-22 14:31:42,453 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-22 14:31:42,454 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-22 14:31:42,454 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-22 14:31:42,455 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-22 14:31:42,455 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-22 14:31:42,455 INFO L87 Difference]: Start difference. First operand 5196 states and 7478 transitions. Second operand has 3 states, 3 states have (on average 7.0) internal successors, (21), 3 states have internal predecessors, (21), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-12-22 14:31:42,611 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-22 14:31:42,612 INFO L93 Difference]: Finished difference Result 5223 states and 7512 transitions. [2021-12-22 14:31:42,612 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-22 14:31:42,612 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 7.0) internal successors, (21), 3 states have internal predecessors, (21), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 24 [2021-12-22 14:31:42,612 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-22 14:31:42,636 INFO L225 Difference]: With dead ends: 5223 [2021-12-22 14:31:42,636 INFO L226 Difference]: Without dead ends: 5210 [2021-12-22 14:31:42,641 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-22 14:31:42,643 INFO L933 BasicCegarLoop]: 4064 mSDtfsCounter, 4044 mSDsluCounter, 16 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4044 SdHoareTripleChecker+Valid, 4080 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-12-22 14:31:42,644 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4044 Valid, 4080 Invalid, 6 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-12-22 14:31:42,652 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5210 states. [2021-12-22 14:31:42,851 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5210 to 5197. [2021-12-22 14:31:42,858 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5197 states, 3493 states have (on average 1.3489836816490124) internal successors, (4712), 3700 states have internal predecessors, (4712), 1388 states have call successors, (1388), 316 states have call predecessors, (1388), 315 states have return successors, (1379), 1308 states have call predecessors, (1379), 1379 states have call successors, (1379) [2021-12-22 14:31:42,876 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5197 states to 5197 states and 7479 transitions. [2021-12-22 14:31:42,877 INFO L78 Accepts]: Start accepts. Automaton has 5197 states and 7479 transitions. Word has length 24 [2021-12-22 14:31:42,877 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-22 14:31:42,877 INFO L470 AbstractCegarLoop]: Abstraction has 5197 states and 7479 transitions. [2021-12-22 14:31:42,878 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 7.0) internal successors, (21), 3 states have internal predecessors, (21), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-12-22 14:31:42,878 INFO L276 IsEmpty]: Start isEmpty. Operand 5197 states and 7479 transitions. [2021-12-22 14:31:42,879 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-12-22 14:31:42,879 INFO L506 BasicCegarLoop]: Found error trace [2021-12-22 14:31:42,879 INFO L514 BasicCegarLoop]: trace histogram [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 14:31:42,879 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-12-22 14:31:42,879 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-22 14:31:42,880 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-22 14:31:42,880 INFO L85 PathProgramCache]: Analyzing trace with hash 945632980, now seen corresponding path program 1 times [2021-12-22 14:31:42,880 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-22 14:31:42,880 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [723065633] [2021-12-22 14:31:42,880 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-22 14:31:42,880 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-22 14:31:42,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:31:43,008 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-22 14:31:43,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:31:43,017 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-22 14:31:43,017 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-22 14:31:43,017 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [723065633] [2021-12-22 14:31:43,017 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [723065633] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-22 14:31:43,018 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-22 14:31:43,018 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-22 14:31:43,018 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1258281015] [2021-12-22 14:31:43,018 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-22 14:31:43,018 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-22 14:31:43,018 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-22 14:31:43,019 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-22 14:31:43,019 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-22 14:31:43,019 INFO L87 Difference]: Start difference. First operand 5197 states and 7479 transitions. Second operand has 3 states, 3 states have (on average 7.0) internal successors, (21), 3 states have internal predecessors, (21), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-12-22 14:31:43,160 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-22 14:31:43,160 INFO L93 Difference]: Finished difference Result 5337 states and 7621 transitions. [2021-12-22 14:31:43,161 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-22 14:31:43,161 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 7.0) internal successors, (21), 3 states have internal predecessors, (21), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 24 [2021-12-22 14:31:43,161 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-22 14:31:43,182 INFO L225 Difference]: With dead ends: 5337 [2021-12-22 14:31:43,182 INFO L226 Difference]: Without dead ends: 5333 [2021-12-22 14:31:43,186 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-22 14:31:43,186 INFO L933 BasicCegarLoop]: 4083 mSDtfsCounter, 3963 mSDsluCounter, 131 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3963 SdHoareTripleChecker+Valid, 4214 SdHoareTripleChecker+Invalid, 8 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 6 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-12-22 14:31:43,187 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3963 Valid, 4214 Invalid, 8 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 6 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-12-22 14:31:43,191 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5333 states. [2021-12-22 14:31:43,301 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5333 to 5331. [2021-12-22 14:31:43,308 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5331 states, 3593 states have (on average 1.3428889507375452) internal successors, (4825), 3798 states have internal predecessors, (4825), 1398 states have call successors, (1398), 340 states have call predecessors, (1398), 339 states have return successors, (1391), 1320 states have call predecessors, (1391), 1391 states have call successors, (1391) [2021-12-22 14:31:43,326 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5331 states to 5331 states and 7614 transitions. [2021-12-22 14:31:43,327 INFO L78 Accepts]: Start accepts. Automaton has 5331 states and 7614 transitions. Word has length 24 [2021-12-22 14:31:43,327 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-22 14:31:43,327 INFO L470 AbstractCegarLoop]: Abstraction has 5331 states and 7614 transitions. [2021-12-22 14:31:43,328 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 7.0) internal successors, (21), 3 states have internal predecessors, (21), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-12-22 14:31:43,328 INFO L276 IsEmpty]: Start isEmpty. Operand 5331 states and 7614 transitions. [2021-12-22 14:31:43,329 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-12-22 14:31:43,329 INFO L506 BasicCegarLoop]: Found error trace [2021-12-22 14:31:43,329 INFO L514 BasicCegarLoop]: trace histogram [1, 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 14:31:43,329 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-12-22 14:31:43,329 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-22 14:31:43,330 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-22 14:31:43,330 INFO L85 PathProgramCache]: Analyzing trace with hash -751552013, now seen corresponding path program 1 times [2021-12-22 14:31:43,330 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-22 14:31:43,330 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1052767224] [2021-12-22 14:31:43,330 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-22 14:31:43,330 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-22 14:31:43,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:31:43,463 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-22 14:31:43,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:31:43,476 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-22 14:31:43,476 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-22 14:31:43,476 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1052767224] [2021-12-22 14:31:43,476 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1052767224] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-22 14:31:43,476 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-22 14:31:43,477 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-22 14:31:43,477 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1298341437] [2021-12-22 14:31:43,477 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-22 14:31:43,477 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-22 14:31:43,477 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-22 14:31:43,478 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-22 14:31:43,478 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-22 14:31:43,478 INFO L87 Difference]: Start difference. First operand 5331 states and 7614 transitions. Second operand has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 3 states have internal predecessors, (22), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-12-22 14:31:43,654 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-22 14:31:43,655 INFO L93 Difference]: Finished difference Result 5333 states and 7615 transitions. [2021-12-22 14:31:43,656 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-22 14:31:43,656 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 3 states have internal predecessors, (22), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 25 [2021-12-22 14:31:43,656 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-22 14:31:43,673 INFO L225 Difference]: With dead ends: 5333 [2021-12-22 14:31:43,673 INFO L226 Difference]: Without dead ends: 5330 [2021-12-22 14:31:43,674 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-22 14:31:43,679 INFO L933 BasicCegarLoop]: 4042 mSDtfsCounter, 4024 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4024 SdHoareTripleChecker+Valid, 4042 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-12-22 14:31:43,680 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4024 Valid, 4042 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-12-22 14:31:43,685 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5330 states. [2021-12-22 14:31:43,802 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5330 to 5330. [2021-12-22 14:31:43,813 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5330 states, 3593 states have (on average 1.3426106317840245) internal successors, (4824), 3797 states have internal predecessors, (4824), 1397 states have call successors, (1397), 340 states have call predecessors, (1397), 339 states have return successors, (1391), 1320 states have call predecessors, (1391), 1391 states have call successors, (1391) [2021-12-22 14:31:43,831 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5330 states to 5330 states and 7612 transitions. [2021-12-22 14:31:43,832 INFO L78 Accepts]: Start accepts. Automaton has 5330 states and 7612 transitions. Word has length 25 [2021-12-22 14:31:43,833 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-22 14:31:43,833 INFO L470 AbstractCegarLoop]: Abstraction has 5330 states and 7612 transitions. [2021-12-22 14:31:43,834 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 3 states have internal predecessors, (22), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-12-22 14:31:43,834 INFO L276 IsEmpty]: Start isEmpty. Operand 5330 states and 7612 transitions. [2021-12-22 14:31:43,835 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-12-22 14:31:43,835 INFO L506 BasicCegarLoop]: Found error trace [2021-12-22 14:31:43,835 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 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 14:31:43,835 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-12-22 14:31:43,835 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-22 14:31:43,835 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-22 14:31:43,836 INFO L85 PathProgramCache]: Analyzing trace with hash -1824674377, now seen corresponding path program 1 times [2021-12-22 14:31:43,836 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-22 14:31:43,836 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [255592228] [2021-12-22 14:31:43,836 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-22 14:31:43,836 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-22 14:31:43,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:31:43,981 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-22 14:31:43,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:31:43,992 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-22 14:31:43,993 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-22 14:31:43,993 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [255592228] [2021-12-22 14:31:43,993 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [255592228] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-22 14:31:43,993 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-22 14:31:43,993 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-22 14:31:43,993 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1949114389] [2021-12-22 14:31:43,993 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-22 14:31:43,994 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-22 14:31:43,994 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-22 14:31:43,994 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-22 14:31:43,994 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-22 14:31:43,994 INFO L87 Difference]: Start difference. First operand 5330 states and 7612 transitions. Second operand has 3 states, 3 states have (on average 7.666666666666667) internal successors, (23), 3 states have internal predecessors, (23), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-12-22 14:31:44,125 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-22 14:31:44,125 INFO L93 Difference]: Finished difference Result 5332 states and 7613 transitions. [2021-12-22 14:31:44,125 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-22 14:31:44,125 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 7.666666666666667) internal successors, (23), 3 states have internal predecessors, (23), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 26 [2021-12-22 14:31:44,126 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-22 14:31:44,161 INFO L225 Difference]: With dead ends: 5332 [2021-12-22 14:31:44,162 INFO L226 Difference]: Without dead ends: 5329 [2021-12-22 14:31:44,166 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-22 14:31:44,166 INFO L933 BasicCegarLoop]: 4040 mSDtfsCounter, 4021 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4021 SdHoareTripleChecker+Valid, 4040 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-12-22 14:31:44,167 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4021 Valid, 4040 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-12-22 14:31:44,171 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5329 states. [2021-12-22 14:31:44,289 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5329 to 5329. [2021-12-22 14:31:44,295 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5329 states, 3593 states have (on average 1.3423323128305038) internal successors, (4823), 3796 states have internal predecessors, (4823), 1396 states have call successors, (1396), 340 states have call predecessors, (1396), 339 states have return successors, (1391), 1320 states have call predecessors, (1391), 1391 states have call successors, (1391) [2021-12-22 14:31:44,311 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5329 states to 5329 states and 7610 transitions. [2021-12-22 14:31:44,312 INFO L78 Accepts]: Start accepts. Automaton has 5329 states and 7610 transitions. Word has length 26 [2021-12-22 14:31:44,312 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-22 14:31:44,312 INFO L470 AbstractCegarLoop]: Abstraction has 5329 states and 7610 transitions. [2021-12-22 14:31:44,312 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 7.666666666666667) internal successors, (23), 3 states have internal predecessors, (23), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-12-22 14:31:44,312 INFO L276 IsEmpty]: Start isEmpty. Operand 5329 states and 7610 transitions. [2021-12-22 14:31:44,313 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2021-12-22 14:31:44,313 INFO L506 BasicCegarLoop]: Found error trace [2021-12-22 14:31:44,313 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 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 14:31:44,314 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-12-22 14:31:44,314 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-22 14:31:44,314 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-22 14:31:44,314 INFO L85 PathProgramCache]: Analyzing trace with hash -731724426, now seen corresponding path program 1 times [2021-12-22 14:31:44,314 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-22 14:31:44,314 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [184830403] [2021-12-22 14:31:44,315 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-22 14:31:44,315 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-22 14:31:44,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:31:44,435 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-22 14:31:44,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:31:44,445 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-22 14:31:44,445 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-22 14:31:44,446 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [184830403] [2021-12-22 14:31:44,446 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [184830403] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-22 14:31:44,446 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-22 14:31:44,446 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-22 14:31:44,446 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2082449810] [2021-12-22 14:31:44,446 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-22 14:31:44,447 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-22 14:31:44,447 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-22 14:31:44,447 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-22 14:31:44,447 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-22 14:31:44,447 INFO L87 Difference]: Start difference. First operand 5329 states and 7610 transitions. Second operand has 3 states, 3 states have (on average 8.0) internal successors, (24), 3 states have internal predecessors, (24), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-12-22 14:31:44,579 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-22 14:31:44,579 INFO L93 Difference]: Finished difference Result 5331 states and 7611 transitions. [2021-12-22 14:31:44,580 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-22 14:31:44,580 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 8.0) internal successors, (24), 3 states have internal predecessors, (24), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 27 [2021-12-22 14:31:44,580 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-22 14:31:44,594 INFO L225 Difference]: With dead ends: 5331 [2021-12-22 14:31:44,595 INFO L226 Difference]: Without dead ends: 5328 [2021-12-22 14:31:44,597 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-22 14:31:44,598 INFO L933 BasicCegarLoop]: 4038 mSDtfsCounter, 4018 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4018 SdHoareTripleChecker+Valid, 4038 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-12-22 14:31:44,599 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4018 Valid, 4038 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-12-22 14:31:44,603 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5328 states. [2021-12-22 14:31:44,751 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5328 to 5328. [2021-12-22 14:31:44,757 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5328 states, 3593 states have (on average 1.342053993876983) internal successors, (4822), 3795 states have internal predecessors, (4822), 1395 states have call successors, (1395), 340 states have call predecessors, (1395), 339 states have return successors, (1391), 1320 states have call predecessors, (1391), 1391 states have call successors, (1391) [2021-12-22 14:31:44,774 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5328 states to 5328 states and 7608 transitions. [2021-12-22 14:31:44,775 INFO L78 Accepts]: Start accepts. Automaton has 5328 states and 7608 transitions. Word has length 27 [2021-12-22 14:31:44,777 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-22 14:31:44,777 INFO L470 AbstractCegarLoop]: Abstraction has 5328 states and 7608 transitions. [2021-12-22 14:31:44,777 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 8.0) internal successors, (24), 3 states have internal predecessors, (24), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-12-22 14:31:44,777 INFO L276 IsEmpty]: Start isEmpty. Operand 5328 states and 7608 transitions. [2021-12-22 14:31:44,779 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-12-22 14:31:44,780 INFO L506 BasicCegarLoop]: Found error trace [2021-12-22 14:31:44,780 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 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 14:31:44,780 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-12-22 14:31:44,780 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-22 14:31:44,780 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-22 14:31:44,780 INFO L85 PathProgramCache]: Analyzing trace with hash -1210009446, now seen corresponding path program 1 times [2021-12-22 14:31:44,781 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-22 14:31:44,781 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [668008915] [2021-12-22 14:31:44,781 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-22 14:31:44,781 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-22 14:31:44,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:31:44,907 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-22 14:31:44,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:31:44,919 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-22 14:31:44,919 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-22 14:31:44,920 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [668008915] [2021-12-22 14:31:44,920 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [668008915] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-22 14:31:44,920 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-22 14:31:44,920 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-22 14:31:44,920 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [269573732] [2021-12-22 14:31:44,920 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-22 14:31:44,921 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-22 14:31:44,921 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-22 14:31:44,921 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-22 14:31:44,921 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-22 14:31:44,921 INFO L87 Difference]: Start difference. First operand 5328 states and 7608 transitions. Second operand has 3 states, 3 states have (on average 8.333333333333334) internal successors, (25), 3 states have internal predecessors, (25), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-12-22 14:31:45,215 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-22 14:31:45,215 INFO L93 Difference]: Finished difference Result 15936 states and 23108 transitions. [2021-12-22 14:31:45,216 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-22 14:31:45,216 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 8.333333333333334) internal successors, (25), 3 states have internal predecessors, (25), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 28 [2021-12-22 14:31:45,217 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-22 14:31:45,254 INFO L225 Difference]: With dead ends: 15936 [2021-12-22 14:31:45,255 INFO L226 Difference]: Without dead ends: 10604 [2021-12-22 14:31:45,282 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-22 14:31:45,283 INFO L933 BasicCegarLoop]: 4956 mSDtfsCounter, 4053 mSDsluCounter, 4043 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4053 SdHoareTripleChecker+Valid, 8999 SdHoareTripleChecker+Invalid, 12 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 8 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-12-22 14:31:45,284 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4053 Valid, 8999 Invalid, 12 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 8 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-12-22 14:31:45,294 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10604 states. [2021-12-22 14:31:45,705 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10604 to 10590. [2021-12-22 14:31:45,716 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10590 states, 7147 states have (on average 1.3428011753183153) internal successors, (9597), 7552 states have internal predecessors, (9597), 2766 states have call successors, (2766), 678 states have call predecessors, (2766), 676 states have return successors, (2928), 2615 states have call predecessors, (2928), 2758 states have call successors, (2928) [2021-12-22 14:31:45,757 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10590 states to 10590 states and 15291 transitions. [2021-12-22 14:31:45,759 INFO L78 Accepts]: Start accepts. Automaton has 10590 states and 15291 transitions. Word has length 28 [2021-12-22 14:31:45,759 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-22 14:31:45,760 INFO L470 AbstractCegarLoop]: Abstraction has 10590 states and 15291 transitions. [2021-12-22 14:31:45,760 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 8.333333333333334) internal successors, (25), 3 states have internal predecessors, (25), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-12-22 14:31:45,760 INFO L276 IsEmpty]: Start isEmpty. Operand 10590 states and 15291 transitions. [2021-12-22 14:31:45,765 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2021-12-22 14:31:45,765 INFO L506 BasicCegarLoop]: Found error trace [2021-12-22 14:31:45,766 INFO L514 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-22 14:31:45,766 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-12-22 14:31:45,766 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-22 14:31:45,766 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-22 14:31:45,766 INFO L85 PathProgramCache]: Analyzing trace with hash -1380410177, now seen corresponding path program 1 times [2021-12-22 14:31:45,767 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-22 14:31:45,767 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1082079357] [2021-12-22 14:31:45,767 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-22 14:31:45,767 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-22 14:31:45,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:31:45,976 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-22 14:31:45,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:31:45,987 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2021-12-22 14:31:45,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:31:45,999 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2021-12-22 14:31:46,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:31:46,014 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2021-12-22 14:31:46,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:31:46,027 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-12-22 14:31:46,027 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-22 14:31:46,028 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1082079357] [2021-12-22 14:31:46,028 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1082079357] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-22 14:31:46,028 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-22 14:31:46,028 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-22 14:31:46,028 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1225067188] [2021-12-22 14:31:46,028 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-22 14:31:46,029 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-12-22 14:31:46,029 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-22 14:31:46,029 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-12-22 14:31:46,029 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-12-22 14:31:46,030 INFO L87 Difference]: Start difference. First operand 10590 states and 15291 transitions. Second operand has 5 states, 5 states have (on average 9.6) internal successors, (48), 3 states have internal predecessors, (48), 3 states have call successors, (9), 5 states have call predecessors, (9), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2021-12-22 14:31:48,134 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-22 14:31:54,330 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-22 14:31:58,819 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-22 14:31:58,819 INFO L93 Difference]: Finished difference Result 15564 states and 24318 transitions. [2021-12-22 14:31:58,820 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-12-22 14:31:58,820 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 9.6) internal successors, (48), 3 states have internal predecessors, (48), 3 states have call successors, (9), 5 states have call predecessors, (9), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 62 [2021-12-22 14:31:58,820 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-22 14:31:58,888 INFO L225 Difference]: With dead ends: 15564 [2021-12-22 14:31:58,889 INFO L226 Difference]: Without dead ends: 15561 [2021-12-22 14:31:58,898 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 12 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2021-12-22 14:31:58,899 INFO L933 BasicCegarLoop]: 3765 mSDtfsCounter, 2739 mSDsluCounter, 5335 mSDsCounter, 0 mSdLazyCounter, 5359 mSolverCounterSat, 2678 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 11.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3140 SdHoareTripleChecker+Valid, 9100 SdHoareTripleChecker+Invalid, 8039 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2678 IncrementalHoareTripleChecker+Valid, 5359 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 12.0s IncrementalHoareTripleChecker+Time [2021-12-22 14:31:58,899 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3140 Valid, 9100 Invalid, 8039 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2678 Valid, 5359 Invalid, 2 Unknown, 0 Unchecked, 12.0s Time] [2021-12-22 14:31:58,910 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15561 states. [2021-12-22 14:31:59,315 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15561 to 10913. [2021-12-22 14:31:59,327 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10913 states, 7375 states have (on average 1.3414237288135593) internal successors, (9893), 7799 states have internal predecessors, (9893), 2821 states have call successors, (2821), 678 states have call predecessors, (2821), 716 states have return successors, (3162), 2691 states have call predecessors, (3162), 2814 states have call successors, (3162) [2021-12-22 14:31:59,366 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10913 states to 10913 states and 15876 transitions. [2021-12-22 14:31:59,368 INFO L78 Accepts]: Start accepts. Automaton has 10913 states and 15876 transitions. Word has length 62 [2021-12-22 14:31:59,370 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-22 14:31:59,370 INFO L470 AbstractCegarLoop]: Abstraction has 10913 states and 15876 transitions. [2021-12-22 14:31:59,370 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 9.6) internal successors, (48), 3 states have internal predecessors, (48), 3 states have call successors, (9), 5 states have call predecessors, (9), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2021-12-22 14:31:59,370 INFO L276 IsEmpty]: Start isEmpty. Operand 10913 states and 15876 transitions. [2021-12-22 14:31:59,394 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 240 [2021-12-22 14:31:59,395 INFO L506 BasicCegarLoop]: Found error trace [2021-12-22 14:31:59,395 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 14:31:59,395 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-12-22 14:31:59,395 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-22 14:31:59,396 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-22 14:31:59,396 INFO L85 PathProgramCache]: Analyzing trace with hash 1394246988, now seen corresponding path program 1 times [2021-12-22 14:31:59,396 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-22 14:31:59,396 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [865780045] [2021-12-22 14:31:59,396 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-22 14:31:59,397 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-22 14:31:59,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:31:59,574 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-22 14:31:59,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:31:59,587 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-12-22 14:31:59,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:31:59,596 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 14:31:59,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:31:59,604 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 14:31:59,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:31:59,613 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2021-12-22 14:31:59,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:31:59,625 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2021-12-22 14:31:59,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:31:59,632 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2021-12-22 14:31:59,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:31:59,638 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2021-12-22 14:31:59,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:31:59,643 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2021-12-22 14:31:59,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:31:59,661 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2021-12-22 14:31:59,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:31:59,681 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-22 14:31:59,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:31:59,691 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 14:31:59,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:31:59,697 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-22 14:31:59,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:31:59,702 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-22 14:31:59,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:31:59,726 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2021-12-22 14:31:59,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:31:59,742 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 14:31:59,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:31:59,749 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 14:31:59,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:31:59,756 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 14:31:59,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:31:59,761 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2021-12-22 14:31:59,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:31:59,768 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 14:31:59,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:31:59,774 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2021-12-22 14:31:59,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:31:59,785 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-22 14:31:59,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:31:59,792 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2021-12-22 14:31:59,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:31:59,799 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2021-12-22 14:31:59,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:31:59,806 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2021-12-22 14:31:59,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:31:59,815 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2021-12-22 14:31:59,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:31:59,831 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 188 [2021-12-22 14:31:59,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:31:59,848 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 14:31:59,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:31:59,854 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-22 14:31:59,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:31:59,859 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-12-22 14:31:59,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:31:59,876 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 222 [2021-12-22 14:31:59,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:31:59,885 INFO L134 CoverageAnalysis]: Checked inductivity of 83 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 81 trivial. 0 not checked. [2021-12-22 14:31:59,885 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-22 14:31:59,885 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [865780045] [2021-12-22 14:31:59,886 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [865780045] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-22 14:31:59,886 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1184498160] [2021-12-22 14:31:59,886 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-22 14:31:59,886 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-22 14:31:59,886 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-22 14:31:59,904 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-22 14:31:59,908 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-12-22 14:32:00,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:32:00,997 INFO L263 TraceCheckSpWp]: Trace formula consists of 5589 conjuncts, 2 conjunts are in the unsatisfiable core [2021-12-22 14:32:01,018 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-22 14:32:01,333 INFO L134 CoverageAnalysis]: Checked inductivity of 83 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 80 trivial. 0 not checked. [2021-12-22 14:32:01,333 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-22 14:32:01,333 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1184498160] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-22 14:32:01,333 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-12-22 14:32:01,333 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [8] total 8 [2021-12-22 14:32:01,334 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [374844819] [2021-12-22 14:32:01,334 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-22 14:32:01,334 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-22 14:32:01,334 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-22 14:32:01,334 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-22 14:32:01,335 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2021-12-22 14:32:01,335 INFO L87 Difference]: Start difference. First operand 10913 states and 15876 transitions. Second operand has 3 states, 3 states have (on average 44.666666666666664) internal successors, (134), 3 states have internal predecessors, (134), 2 states have call successors, (38), 2 states have call predecessors, (38), 2 states have return successors, (29), 2 states have call predecessors, (29), 2 states have call successors, (29) [2021-12-22 14:32:01,671 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-22 14:32:01,671 INFO L93 Difference]: Finished difference Result 22652 states and 33166 transitions. [2021-12-22 14:32:01,671 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-22 14:32:01,672 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 44.666666666666664) internal successors, (134), 3 states have internal predecessors, (134), 2 states have call successors, (38), 2 states have call predecessors, (38), 2 states have return successors, (29), 2 states have call predecessors, (29), 2 states have call successors, (29) Word has length 239 [2021-12-22 14:32:01,672 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-22 14:32:01,711 INFO L225 Difference]: With dead ends: 22652 [2021-12-22 14:32:01,711 INFO L226 Difference]: Without dead ends: 11742 [2021-12-22 14:32:01,745 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 303 GetRequests, 297 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2021-12-22 14:32:01,746 INFO L933 BasicCegarLoop]: 4248 mSDtfsCounter, 431 mSDsluCounter, 4024 mSDsCounter, 0 mSdLazyCounter, 20 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 517 SdHoareTripleChecker+Valid, 8272 SdHoareTripleChecker+Invalid, 20 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 20 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-12-22 14:32:01,746 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [517 Valid, 8272 Invalid, 20 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 20 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-12-22 14:32:01,753 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11742 states. [2021-12-22 14:32:02,037 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11742 to 10917. [2021-12-22 14:32:02,048 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10917 states, 7379 states have (on average 1.3412386502236076) internal successors, (9897), 7803 states have internal predecessors, (9897), 2821 states have call successors, (2821), 678 states have call predecessors, (2821), 716 states have return successors, (3162), 2691 states have call predecessors, (3162), 2814 states have call successors, (3162) [2021-12-22 14:32:02,090 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10917 states to 10917 states and 15880 transitions. [2021-12-22 14:32:02,094 INFO L78 Accepts]: Start accepts. Automaton has 10917 states and 15880 transitions. Word has length 239 [2021-12-22 14:32:02,094 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-22 14:32:02,094 INFO L470 AbstractCegarLoop]: Abstraction has 10917 states and 15880 transitions. [2021-12-22 14:32:02,095 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 44.666666666666664) internal successors, (134), 3 states have internal predecessors, (134), 2 states have call successors, (38), 2 states have call predecessors, (38), 2 states have return successors, (29), 2 states have call predecessors, (29), 2 states have call successors, (29) [2021-12-22 14:32:02,095 INFO L276 IsEmpty]: Start isEmpty. Operand 10917 states and 15880 transitions. [2021-12-22 14:32:02,116 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 249 [2021-12-22 14:32:02,116 INFO L506 BasicCegarLoop]: Found error trace [2021-12-22 14:32:02,117 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 14:32:02,144 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2021-12-22 14:32:02,339 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-22 14:32:02,339 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-22 14:32:02,340 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-22 14:32:02,340 INFO L85 PathProgramCache]: Analyzing trace with hash 1110554405, now seen corresponding path program 1 times [2021-12-22 14:32:02,340 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-22 14:32:02,340 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1276789991] [2021-12-22 14:32:02,340 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-22 14:32:02,340 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-22 14:32:02,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:32:02,520 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-22 14:32:02,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:32:02,533 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2021-12-22 14:32:02,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:32:02,542 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 14:32:02,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:32:02,547 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 14:32:02,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:32:02,552 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2021-12-22 14:32:02,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:32:02,558 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2021-12-22 14:32:02,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:32:02,562 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2021-12-22 14:32:02,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:32:02,567 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2021-12-22 14:32:02,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:32:02,572 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2021-12-22 14:32:02,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:32:02,588 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2021-12-22 14:32:02,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:32:02,604 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-22 14:32:02,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:32:02,612 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 14:32:02,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:32:02,619 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-22 14:32:02,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:32:02,623 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-22 14:32:02,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:32:02,646 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2021-12-22 14:32:02,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:32:02,659 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 14:32:02,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:32:02,665 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 14:32:02,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:32:02,671 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 14:32:02,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:32:02,676 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2021-12-22 14:32:02,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:32:02,681 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 14:32:02,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:32:02,685 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2021-12-22 14:32:02,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:32:02,692 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-22 14:32:02,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:32:02,697 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2021-12-22 14:32:02,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:32:02,703 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2021-12-22 14:32:02,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:32:02,707 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2021-12-22 14:32:02,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:32:02,713 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2021-12-22 14:32:02,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:32:02,726 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2021-12-22 14:32:02,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:32:02,740 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 14:32:02,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:32:02,744 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-22 14:32:02,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:32:02,749 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-12-22 14:32:02,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:32:02,753 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 231 [2021-12-22 14:32:02,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:32:02,759 INFO L134 CoverageAnalysis]: Checked inductivity of 83 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 81 trivial. 0 not checked. [2021-12-22 14:32:02,759 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-22 14:32:02,759 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1276789991] [2021-12-22 14:32:02,759 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1276789991] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-22 14:32:02,760 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1862990089] [2021-12-22 14:32:02,760 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-22 14:32:02,760 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-22 14:32:02,760 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-22 14:32:02,761 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-22 14:32:02,762 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2021-12-22 14:32:03,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:32:03,920 INFO L263 TraceCheckSpWp]: Trace formula consists of 5964 conjuncts, 2 conjunts are in the unsatisfiable core [2021-12-22 14:32:03,930 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-22 14:32:04,270 INFO L134 CoverageAnalysis]: Checked inductivity of 83 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 80 trivial. 0 not checked. [2021-12-22 14:32:04,271 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-22 14:32:04,271 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1862990089] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-22 14:32:04,271 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-12-22 14:32:04,271 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [8] total 9 [2021-12-22 14:32:04,271 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1130156491] [2021-12-22 14:32:04,272 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-22 14:32:04,273 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-22 14:32:04,273 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-22 14:32:04,273 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-22 14:32:04,273 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=47, Unknown=0, NotChecked=0, Total=72 [2021-12-22 14:32:04,273 INFO L87 Difference]: Start difference. First operand 10917 states and 15880 transitions. Second operand has 3 states, 3 states have (on average 47.666666666666664) internal successors, (143), 3 states have internal predecessors, (143), 2 states have call successors, (38), 2 states have call predecessors, (38), 2 states have return successors, (29), 2 states have call predecessors, (29), 2 states have call successors, (29) [2021-12-22 14:32:04,622 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-22 14:32:04,622 INFO L93 Difference]: Finished difference Result 23200 states and 34066 transitions. [2021-12-22 14:32:04,623 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-22 14:32:04,623 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 47.666666666666664) internal successors, (143), 3 states have internal predecessors, (143), 2 states have call successors, (38), 2 states have call predecessors, (38), 2 states have return successors, (29), 2 states have call predecessors, (29), 2 states have call successors, (29) Word has length 248 [2021-12-22 14:32:04,624 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-22 14:32:04,670 INFO L225 Difference]: With dead ends: 23200 [2021-12-22 14:32:04,670 INFO L226 Difference]: Without dead ends: 12286 [2021-12-22 14:32:04,700 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 313 GetRequests, 306 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=25, Invalid=47, Unknown=0, NotChecked=0, Total=72 [2021-12-22 14:32:04,701 INFO L933 BasicCegarLoop]: 4643 mSDtfsCounter, 581 mSDsluCounter, 4109 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 700 SdHoareTripleChecker+Valid, 8752 SdHoareTripleChecker+Invalid, 9 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 7 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-12-22 14:32:04,702 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [700 Valid, 8752 Invalid, 9 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 7 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-12-22 14:32:04,711 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12286 states. [2021-12-22 14:32:05,020 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12286 to 10925. [2021-12-22 14:32:05,030 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10925 states, 7387 states have (on average 1.3414105861648842) internal successors, (9909), 7811 states have internal predecessors, (9909), 2821 states have call successors, (2821), 678 states have call predecessors, (2821), 716 states have return successors, (3162), 2691 states have call predecessors, (3162), 2814 states have call successors, (3162) [2021-12-22 14:32:05,071 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10925 states to 10925 states and 15892 transitions. [2021-12-22 14:32:05,074 INFO L78 Accepts]: Start accepts. Automaton has 10925 states and 15892 transitions. Word has length 248 [2021-12-22 14:32:05,075 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-22 14:32:05,076 INFO L470 AbstractCegarLoop]: Abstraction has 10925 states and 15892 transitions. [2021-12-22 14:32:05,076 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 47.666666666666664) internal successors, (143), 3 states have internal predecessors, (143), 2 states have call successors, (38), 2 states have call predecessors, (38), 2 states have return successors, (29), 2 states have call predecessors, (29), 2 states have call successors, (29) [2021-12-22 14:32:05,076 INFO L276 IsEmpty]: Start isEmpty. Operand 10925 states and 15892 transitions. [2021-12-22 14:32:05,097 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 249 [2021-12-22 14:32:05,098 INFO L506 BasicCegarLoop]: Found error trace [2021-12-22 14:32:05,098 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 14:32:05,136 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2021-12-22 14:32:05,324 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2021-12-22 14:32:05,324 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-22 14:32:05,324 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-22 14:32:05,325 INFO L85 PathProgramCache]: Analyzing trace with hash 2001629027, now seen corresponding path program 1 times [2021-12-22 14:32:05,325 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-22 14:32:05,325 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [351031529] [2021-12-22 14:32:05,325 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-22 14:32:05,325 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-22 14:32:05,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:32:05,584 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-22 14:32:05,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:32:05,596 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2021-12-22 14:32:05,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:32:05,602 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 14:32:05,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:32:05,607 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 14:32:05,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:32:05,612 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2021-12-22 14:32:05,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:32:05,618 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2021-12-22 14:32:05,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:32:05,622 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2021-12-22 14:32:05,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:32:05,626 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2021-12-22 14:32:05,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:32:05,630 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2021-12-22 14:32:05,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:32:05,648 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2021-12-22 14:32:05,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:32:05,663 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-22 14:32:05,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:32:05,670 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 14:32:05,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:32:05,675 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-22 14:32:05,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:32:05,679 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-22 14:32:05,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:32:05,704 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2021-12-22 14:32:05,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:32:05,721 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 14:32:05,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:32:05,727 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 14:32:05,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:32:05,733 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 14:32:05,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:32:05,739 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2021-12-22 14:32:05,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:32:05,744 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 14:32:05,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:32:05,748 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2021-12-22 14:32:05,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:32:05,756 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-22 14:32:05,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:32:05,760 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2021-12-22 14:32:05,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:32:05,764 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2021-12-22 14:32:05,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:32:05,768 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2021-12-22 14:32:05,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:32:05,772 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2021-12-22 14:32:05,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:32:05,788 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2021-12-22 14:32:05,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:32:05,797 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 14:32:05,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:32:05,801 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-22 14:32:05,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:32:05,806 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-12-22 14:32:05,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:32:05,811 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 231 [2021-12-22 14:32:05,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:32:05,816 INFO L134 CoverageAnalysis]: Checked inductivity of 83 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 82 trivial. 0 not checked. [2021-12-22 14:32:05,816 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-22 14:32:05,816 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [351031529] [2021-12-22 14:32:05,816 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [351031529] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-22 14:32:05,816 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-22 14:32:05,817 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-12-22 14:32:05,817 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2042886963] [2021-12-22 14:32:05,817 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-22 14:32:05,817 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2021-12-22 14:32:05,817 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-22 14:32:05,818 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-12-22 14:32:05,818 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=64, Unknown=0, NotChecked=0, Total=90 [2021-12-22 14:32:05,818 INFO L87 Difference]: Start difference. First operand 10925 states and 15892 transitions. Second operand has 10 states, 10 states have (on average 14.2) internal successors, (142), 5 states have internal predecessors, (142), 2 states have call successors, (38), 7 states have call predecessors, (38), 1 states have return successors, (29), 1 states have call predecessors, (29), 1 states have call successors, (29) [2021-12-22 14:32:07,917 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-22 14:32:09,947 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-22 14:32:21,782 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-22 14:32:23,875 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.09s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-22 14:32:31,281 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-22 14:32:31,281 INFO L93 Difference]: Finished difference Result 14582 states and 22332 transitions. [2021-12-22 14:32:31,281 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-12-22 14:32:31,282 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 14.2) internal successors, (142), 5 states have internal predecessors, (142), 2 states have call successors, (38), 7 states have call predecessors, (38), 1 states have return successors, (29), 1 states have call predecessors, (29), 1 states have call successors, (29) Word has length 248 [2021-12-22 14:32:31,282 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-22 14:32:31,353 INFO L225 Difference]: With dead ends: 14582 [2021-12-22 14:32:31,353 INFO L226 Difference]: Without dead ends: 14524 [2021-12-22 14:32:31,365 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 71 GetRequests, 59 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=49, Invalid=133, Unknown=0, NotChecked=0, Total=182 [2021-12-22 14:32:31,366 INFO L933 BasicCegarLoop]: 4044 mSDtfsCounter, 1449 mSDsluCounter, 16098 mSDsCounter, 0 mSdLazyCounter, 8442 mSolverCounterSat, 1126 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 23.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1708 SdHoareTripleChecker+Valid, 20142 SdHoareTripleChecker+Invalid, 9572 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1126 IncrementalHoareTripleChecker+Valid, 8442 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 24.6s IncrementalHoareTripleChecker+Time [2021-12-22 14:32:31,366 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1708 Valid, 20142 Invalid, 9572 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1126 Valid, 8442 Invalid, 4 Unknown, 0 Unchecked, 24.6s Time] [2021-12-22 14:32:31,378 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14524 states. [2021-12-22 14:32:31,990 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14524 to 11960. [2021-12-22 14:32:32,006 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11960 states, 8110 states have (on average 1.3378545006165228) internal successors, (10850), 8553 states have internal predecessors, (10850), 3081 states have call successors, (3081), 677 states have call predecessors, (3081), 768 states have return successors, (3822), 2985 states have call predecessors, (3822), 3078 states have call successors, (3822) [2021-12-22 14:32:32,071 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11960 states to 11960 states and 17753 transitions. [2021-12-22 14:32:32,073 INFO L78 Accepts]: Start accepts. Automaton has 11960 states and 17753 transitions. Word has length 248 [2021-12-22 14:32:32,075 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-22 14:32:32,076 INFO L470 AbstractCegarLoop]: Abstraction has 11960 states and 17753 transitions. [2021-12-22 14:32:32,076 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 14.2) internal successors, (142), 5 states have internal predecessors, (142), 2 states have call successors, (38), 7 states have call predecessors, (38), 1 states have return successors, (29), 1 states have call predecessors, (29), 1 states have call successors, (29) [2021-12-22 14:32:32,076 INFO L276 IsEmpty]: Start isEmpty. Operand 11960 states and 17753 transitions. [2021-12-22 14:32:32,112 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 252 [2021-12-22 14:32:32,112 INFO L506 BasicCegarLoop]: Found error trace [2021-12-22 14:32:32,112 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 14:32:32,113 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2021-12-22 14:32:32,113 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-22 14:32:32,116 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-22 14:32:32,116 INFO L85 PathProgramCache]: Analyzing trace with hash 1128913860, now seen corresponding path program 1 times [2021-12-22 14:32:32,116 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-22 14:32:32,116 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [993906362] [2021-12-22 14:32:32,116 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-22 14:32:32,117 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-22 14:32:32,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:32:32,371 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-22 14:32:32,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:32:32,383 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2021-12-22 14:32:32,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:32:32,390 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 14:32:32,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:32:32,396 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 14:32:32,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:32:32,403 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2021-12-22 14:32:32,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:32:32,413 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2021-12-22 14:32:32,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:32:32,419 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2021-12-22 14:32:32,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:32:32,425 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2021-12-22 14:32:32,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:32:32,431 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2021-12-22 14:32:32,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:32:32,447 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2021-12-22 14:32:32,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:32:32,463 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2