./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 839c364b 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 0.2.2-839c364b5d67a0f615c82cb70ab247790648d4a9-839c364 [2021-12-14 17:37:22,224 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-14 17:37:22,225 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-14 17:37:22,270 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-14 17:37:22,273 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-14 17:37:22,280 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-14 17:37:22,281 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-14 17:37:22,287 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-14 17:37:22,289 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-14 17:37:22,290 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-14 17:37:22,290 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-14 17:37:22,291 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-14 17:37:22,292 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-14 17:37:22,294 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-14 17:37:22,295 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-14 17:37:22,297 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-14 17:37:22,298 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-14 17:37:22,302 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-14 17:37:22,304 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-14 17:37:22,305 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-14 17:37:22,305 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-14 17:37:22,312 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-14 17:37:22,313 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-14 17:37:22,313 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-14 17:37:22,315 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-14 17:37:22,315 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-14 17:37:22,315 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-14 17:37:22,315 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-14 17:37:22,316 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-14 17:37:22,316 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-14 17:37:22,316 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-14 17:37:22,317 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-14 17:37:22,320 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-14 17:37:22,321 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-14 17:37:22,321 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-14 17:37:22,322 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-14 17:37:22,322 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-14 17:37:22,322 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-14 17:37:22,322 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-14 17:37:22,323 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-14 17:37:22,324 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-14 17:37:22,325 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2021-12-14 17:37:22,351 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-14 17:37:22,351 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-14 17:37:22,351 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-14 17:37:22,352 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-14 17:37:22,352 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-14 17:37:22,352 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-14 17:37:22,353 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-14 17:37:22,353 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-14 17:37:22,353 INFO L138 SettingsManager]: * Use SBE=true [2021-12-14 17:37:22,353 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-14 17:37:22,354 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-14 17:37:22,354 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-14 17:37:22,354 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-14 17:37:22,354 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-14 17:37:22,354 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-14 17:37:22,354 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-14 17:37:22,355 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-14 17:37:22,355 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-14 17:37:22,355 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-14 17:37:22,355 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-14 17:37:22,355 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-14 17:37:22,355 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-14 17:37:22,355 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-14 17:37:22,356 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-14 17:37:22,356 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-14 17:37:22,356 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-14 17:37:22,356 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-14 17:37:22,357 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-14 17:37:22,357 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-14 17:37:22,357 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-14 17:37:22,357 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-14 17:37:22,358 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> fc0d7108b14cf7ade4256acdb7ea5c36ccda70628af318ac7331527caf0f1ef8 [2021-12-14 17:37:22,571 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-14 17:37:22,595 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-14 17:37:22,598 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-14 17:37:22,598 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-14 17:37:22,599 INFO L275 PluginConnector]: CDTParser initialized [2021-12-14 17:37:22,600 INFO L432 ainManager$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 [2021-12-14 17:37:22,652 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6600ae1d8/68dbcd765a634c2f98ecf90f59a4ccdf/FLAGbca46169a [2021-12-14 17:37:23,471 INFO L306 CDTParser]: Found 1 translation units. [2021-12-14 17:37:23,472 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 [2021-12-14 17:37:23,515 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6600ae1d8/68dbcd765a634c2f98ecf90f59a4ccdf/FLAGbca46169a [2021-12-14 17:37:23,679 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6600ae1d8/68dbcd765a634c2f98ecf90f59a4ccdf [2021-12-14 17:37:23,681 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-14 17:37:23,682 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-14 17:37:23,683 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-14 17:37:23,683 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-14 17:37:23,686 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-14 17:37:23,686 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 05:37:23" (1/1) ... [2021-12-14 17:37:23,687 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3d279d85 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:37:23, skipping insertion in model container [2021-12-14 17:37:23,687 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 05:37:23" (1/1) ... [2021-12-14 17:37:23,692 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-14 17:37:23,775 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-14 17:37:25,111 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] [2021-12-14 17:37:25,175 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-14 17:37:25,222 INFO L203 MainTranslator]: Completed pre-run [2021-12-14 17:37:25,494 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] [2021-12-14 17:37:25,503 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-14 17:37:25,575 INFO L208 MainTranslator]: Completed translation [2021-12-14 17:37:25,576 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:37:25 WrapperNode [2021-12-14 17:37:25,576 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-14 17:37:25,577 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-14 17:37:25,577 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-14 17:37:25,577 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-14 17:37:25,582 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:37:25" (1/1) ... [2021-12-14 17:37:25,666 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:37:25" (1/1) ... [2021-12-14 17:37:25,821 INFO L137 Inliner]: procedures = 380, calls = 3772, calls flagged for inlining = 111, calls inlined = 106, statements flattened = 6716 [2021-12-14 17:37:25,822 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-14 17:37:25,823 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-14 17:37:25,823 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-14 17:37:25,823 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-14 17:37:25,828 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:37:25" (1/1) ... [2021-12-14 17:37:25,829 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:37:25" (1/1) ... [2021-12-14 17:37:25,878 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:37:25" (1/1) ... [2021-12-14 17:37:25,878 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:37:25" (1/1) ... [2021-12-14 17:37:26,034 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:37:25" (1/1) ... [2021-12-14 17:37:26,053 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:37:25" (1/1) ... [2021-12-14 17:37:26,096 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:37:25" (1/1) ... [2021-12-14 17:37:26,127 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-14 17:37:26,128 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-14 17:37:26,128 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-14 17:37:26,128 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-14 17:37:26,129 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:37:25" (1/1) ... [2021-12-14 17:37:26,135 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-14 17:37:26,141 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-14 17:37:26,160 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) [2021-12-14 17:37:26,188 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 [2021-12-14 17:37:26,222 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_setup_msg_structures_uv [2021-12-14 17:37:26,223 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_setup_msg_structures_uv [2021-12-14 17:37:26,223 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_set [2021-12-14 17:37:26,223 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_set [2021-12-14 17:37:26,223 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_heartbeat_init_uv [2021-12-14 17:37:26,223 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_heartbeat_init_uv [2021-12-14 17:37:26,223 INFO L130 BoogieDeclarations]: Found specification of procedure __cmpxchg_wrong_size [2021-12-14 17:37:26,224 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_allow_hb_uv [2021-12-14 17:37:26,224 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_allow_hb_uv [2021-12-14 17:37:26,224 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_teardown_partitions_uv [2021-12-14 17:37:26,224 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_teardown_partitions_uv [2021-12-14 17:37:26,224 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_kthread_waitmsgs [2021-12-14 17:37:26,224 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_kthread_waitmsgs [2021-12-14 17:37:26,224 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_send_chctl_opencomplete_uv [2021-12-14 17:37:26,224 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_send_chctl_opencomplete_uv [2021-12-14 17:37:26,225 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-12-14 17:37:26,225 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-12-14 17:37:26,225 INFO L130 BoogieDeclarations]: Found specification of procedure wake_up_process [2021-12-14 17:37:26,225 INFO L138 BoogieDeclarations]: Found implementation of procedure wake_up_process [2021-12-14 17:37:26,225 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_teardown_msg_structures_uv [2021-12-14 17:37:26,225 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_teardown_msg_structures_uv [2021-12-14 17:37:26,225 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_teardown_rsvd_page [2021-12-14 17:37:26,225 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_teardown_rsvd_page [2021-12-14 17:37:26,226 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_partition_disengaged [2021-12-14 17:37:26,226 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_partition_disengaged [2021-12-14 17:37:26,226 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_wakeup_channel_mgr [2021-12-14 17:37:26,226 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_wakeup_channel_mgr [2021-12-14 17:37:26,226 INFO L130 BoogieDeclarations]: Found specification of procedure variable_test_bit [2021-12-14 17:37:26,226 INFO L138 BoogieDeclarations]: Found implementation of procedure variable_test_bit [2021-12-14 17:37:26,226 INFO L130 BoogieDeclarations]: Found specification of procedure get_current [2021-12-14 17:37:26,226 INFO L138 BoogieDeclarations]: Found implementation of procedure get_current [2021-12-14 17:37:26,227 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_sub_return [2021-12-14 17:37:26,227 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_sub_return [2021-12-14 17:37:26,227 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-12-14 17:37:26,227 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-12-14 17:37:26,227 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_kmalloc_cacheline_aligned [2021-12-14 17:37:26,227 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_kmalloc_cacheline_aligned [2021-12-14 17:37:26,228 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_setup_partitions_uv [2021-12-14 17:37:26,228 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_setup_partitions_uv [2021-12-14 17:37:26,228 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_offline_heartbeat_uv [2021-12-14 17:37:26,228 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_offline_heartbeat_uv [2021-12-14 17:37:26,228 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_release_gru_mq_irq_uv [2021-12-14 17:37:26,228 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_release_gru_mq_irq_uv [2021-12-14 17:37:26,228 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~X~int~TO~int [2021-12-14 17:37:26,228 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~X~int~TO~int [2021-12-14 17:37:26,229 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_size_call_parameter [2021-12-14 17:37:26,229 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_notify_sender_uv [2021-12-14 17:37:26,229 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_notify_sender_uv [2021-12-14 17:37:26,229 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_die_deactivate [2021-12-14 17:37:26,229 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_die_deactivate [2021-12-14 17:37:26,229 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_process_connect [2021-12-14 17:37:26,230 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_process_connect [2021-12-14 17:37:26,230 INFO L130 BoogieDeclarations]: Found specification of procedure free_irq [2021-12-14 17:37:26,230 INFO L138 BoogieDeclarations]: Found implementation of procedure free_irq [2021-12-14 17:37:26,230 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_trylock [2021-12-14 17:37:26,230 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_trylock [2021-12-14 17:37:26,231 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_die_notifier [2021-12-14 17:37:26,231 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_die_notifier [2021-12-14 17:37:26,231 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_check_remote_hb [2021-12-14 17:37:26,232 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_check_remote_hb [2021-12-14 17:37:26,232 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2021-12-14 17:37:26,232 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2021-12-14 17:37:26,232 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2021-12-14 17:37:26,232 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2021-12-14 17:37:26,233 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_init_fifo_uv [2021-12-14 17:37:26,233 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_init_fifo_uv [2021-12-14 17:37:26,233 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_cached_activate_gru_mq_desc_mutex_of_xpc_partition_uv [2021-12-14 17:37:26,233 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_cached_activate_gru_mq_desc_mutex_of_xpc_partition_uv [2021-12-14 17:37:26,233 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_msgqueue_ref [2021-12-14 17:37:26,233 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_msgqueue_ref [2021-12-14 17:37:26,233 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_received_payload_uv [2021-12-14 17:37:26,233 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_received_payload_uv [2021-12-14 17:37:26,234 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_read [2021-12-14 17:37:26,234 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_read [2021-12-14 17:37:26,234 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_kthread_start [2021-12-14 17:37:26,234 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_kthread_start [2021-12-14 17:37:26,234 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_part_ref [2021-12-14 17:37:26,235 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_part_ref [2021-12-14 17:37:26,235 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_create_kthreads [2021-12-14 17:37:26,235 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_create_kthreads [2021-12-14 17:37:26,235 INFO L130 BoogieDeclarations]: Found specification of procedure msleep_interruptible [2021-12-14 17:37:26,235 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep_interruptible [2021-12-14 17:37:26,235 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_send_local_activate_IRQ_uv [2021-12-14 17:37:26,235 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_send_local_activate_IRQ_uv [2021-12-14 17:37:26,235 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock [2021-12-14 17:37:26,236 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock [2021-12-14 17:37:26,236 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_exit_uv [2021-12-14 17:37:26,236 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_exit_uv [2021-12-14 17:37:26,236 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2021-12-14 17:37:26,236 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2021-12-14 17:37:26,236 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_put_fifo_entry_uv [2021-12-14 17:37:26,237 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_put_fifo_entry_uv [2021-12-14 17:37:26,237 INFO L130 BoogieDeclarations]: Found specification of procedure uv_blade_to_pnode [2021-12-14 17:37:26,237 INFO L138 BoogieDeclarations]: Found implementation of procedure uv_blade_to_pnode [2021-12-14 17:37:26,237 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_process_activate_IRQ_rcvd_uv [2021-12-14 17:37:26,237 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_process_activate_IRQ_rcvd_uv [2021-12-14 17:37:26,238 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_send_activate_IRQ_uv [2021-12-14 17:37:26,238 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_send_activate_IRQ_uv [2021-12-14 17:37:26,238 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_send_payload_uv [2021-12-14 17:37:26,238 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_send_payload_uv [2021-12-14 17:37:26,239 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_free_msg_slot_uv [2021-12-14 17:37:26,239 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_free_msg_slot_uv [2021-12-14 17:37:26,239 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_cached_activate_gru_mq_desc_mutex_of_xpc_partition_uv [2021-12-14 17:37:26,239 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_cached_activate_gru_mq_desc_mutex_of_xpc_partition_uv [2021-12-14 17:37:26,239 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-12-14 17:37:26,239 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_indicate_partition_engaged_uv [2021-12-14 17:37:26,239 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_indicate_partition_engaged_uv [2021-12-14 17:37:26,239 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_process_openclose_chctl_flags [2021-12-14 17:37:26,240 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_process_openclose_chctl_flags [2021-12-14 17:37:26,240 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-12-14 17:37:26,240 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_process_msg_chctl_flags_uv [2021-12-14 17:37:26,240 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_process_msg_chctl_flags_uv [2021-12-14 17:37:26,240 INFO L130 BoogieDeclarations]: Found specification of procedure add_timer [2021-12-14 17:37:26,240 INFO L138 BoogieDeclarations]: Found implementation of procedure add_timer [2021-12-14 17:37:26,241 INFO L130 BoogieDeclarations]: Found specification of procedure __xadd_wrong_size [2021-12-14 17:37:26,241 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_msgqueue_deref [2021-12-14 17:37:26,241 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_msgqueue_deref [2021-12-14 17:37:26,241 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_send_chctl_closereply_uv [2021-12-14 17:37:26,242 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_send_chctl_closereply_uv [2021-12-14 17:37:26,243 INFO L130 BoogieDeclarations]: Found specification of procedure signal_pending [2021-12-14 17:37:26,243 INFO L138 BoogieDeclarations]: Found implementation of procedure signal_pending [2021-12-14 17:37:26,244 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2021-12-14 17:37:26,244 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2021-12-14 17:37:26,245 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_connect_channel [2021-12-14 17:37:26,245 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_connect_channel [2021-12-14 17:37:26,246 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_cache_remote_gru_mq_desc_uv [2021-12-14 17:37:26,246 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_cache_remote_gru_mq_desc_uv [2021-12-14 17:37:26,246 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_teardown_ch_structures_uv [2021-12-14 17:37:26,250 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_teardown_ch_structures_uv [2021-12-14 17:37:26,250 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~TO~int [2021-12-14 17:37:26,250 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~TO~int [2021-12-14 17:37:26,250 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-12-14 17:37:26,251 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_request_partition_activation_uv [2021-12-14 17:37:26,251 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_request_partition_activation_uv [2021-12-14 17:37:26,251 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_activating [2021-12-14 17:37:26,251 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_activating [2021-12-14 17:37:26,251 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-12-14 17:37:26,251 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_disconnect_callout [2021-12-14 17:37:26,251 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_disconnect_callout [2021-12-14 17:37:26,251 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_deactivate_partition [2021-12-14 17:37:26,252 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_deactivate_partition [2021-12-14 17:37:26,252 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_indicate_partition_disengaged_uv [2021-12-14 17:37:26,252 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_indicate_partition_disengaged_uv [2021-12-14 17:37:26,252 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_disconnect_channel [2021-12-14 17:37:26,252 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_disconnect_channel [2021-12-14 17:37:26,252 INFO L130 BoogieDeclarations]: Found specification of procedure find_next_bit [2021-12-14 17:37:26,252 INFO L138 BoogieDeclarations]: Found implementation of procedure find_next_bit [2021-12-14 17:37:26,252 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~~TO~int [2021-12-14 17:37:26,252 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~~TO~int [2021-12-14 17:37:26,253 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2021-12-14 17:37:26,253 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2021-12-14 17:37:26,253 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2021-12-14 17:37:26,253 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2021-12-14 17:37:26,253 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irqsave [2021-12-14 17:37:26,253 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irqsave [2021-12-14 17:37:26,253 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_channel_mgr [2021-12-14 17:37:26,253 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_channel_mgr [2021-12-14 17:37:26,253 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_save_remote_msgqueue_pa_uv [2021-12-14 17:37:26,254 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_save_remote_msgqueue_pa_uv [2021-12-14 17:37:26,254 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_send_chctl_openrequest_uv [2021-12-14 17:37:26,254 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_send_chctl_openrequest_uv [2021-12-14 17:37:26,254 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_heartbeat_exit_uv [2021-12-14 17:37:26,254 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_heartbeat_exit_uv [2021-12-14 17:37:26,254 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_setup_ch_structures [2021-12-14 17:37:26,254 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_setup_ch_structures [2021-12-14 17:37:26,254 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2021-12-14 17:37:26,254 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2021-12-14 17:37:26,255 INFO L130 BoogieDeclarations]: Found specification of procedure free_pages [2021-12-14 17:37:26,255 INFO L138 BoogieDeclarations]: Found implementation of procedure free_pages [2021-12-14 17:37:26,255 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_any_partition_engaged_uv [2021-12-14 17:37:26,255 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_any_partition_engaged_uv [2021-12-14 17:37:26,255 INFO L130 BoogieDeclarations]: Found specification of procedure schedule [2021-12-14 17:37:26,255 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule [2021-12-14 17:37:26,255 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2021-12-14 17:37:26,255 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2021-12-14 17:37:26,255 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2021-12-14 17:37:26,256 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_get_rsvd_page_pa [2021-12-14 17:37:26,256 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_get_rsvd_page_pa [2021-12-14 17:37:26,256 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_activate_partition [2021-12-14 17:37:26,256 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_activate_partition [2021-12-14 17:37:26,256 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_send_activate_IRQ_part_uv [2021-12-14 17:37:26,256 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_send_activate_IRQ_part_uv [2021-12-14 17:37:26,256 INFO L130 BoogieDeclarations]: Found specification of procedure uv_cpu_to_blade_id [2021-12-14 17:37:26,256 INFO L138 BoogieDeclarations]: Found implementation of procedure uv_cpu_to_blade_id [2021-12-14 17:37:26,256 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_initiate_discovery [2021-12-14 17:37:26,256 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_initiate_discovery [2021-12-14 17:37:26,257 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2021-12-14 17:37:26,257 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2021-12-14 17:37:26,257 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_request_partition_reactivation_uv [2021-12-14 17:37:26,257 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_request_partition_reactivation_uv [2021-12-14 17:37:26,257 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2021-12-14 17:37:26,257 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_activate_kthreads [2021-12-14 17:37:26,258 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_activate_kthreads [2021-12-14 17:37:26,258 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-12-14 17:37:26,258 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_partition_engaged_uv [2021-12-14 17:37:26,258 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_partition_engaged_uv [2021-12-14 17:37:26,258 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer_sync [2021-12-14 17:37:26,258 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer_sync [2021-12-14 17:37:26,259 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_send_gru_msg [2021-12-14 17:37:26,259 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_send_gru_msg [2021-12-14 17:37:26,259 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2021-12-14 17:37:26,259 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2021-12-14 17:37:26,259 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_create_gru_mq_uv [2021-12-14 17:37:26,259 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_create_gru_mq_uv [2021-12-14 17:37:26,259 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_reboot_notifier [2021-12-14 17:37:26,259 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_reboot_notifier [2021-12-14 17:37:26,259 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_part_deref [2021-12-14 17:37:26,260 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_part_deref [2021-12-14 17:37:26,260 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_send_chctl_closerequest_uv [2021-12-14 17:37:26,260 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_send_chctl_closerequest_uv [2021-12-14 17:37:26,260 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_disallow_all_hbs_uv [2021-12-14 17:37:26,260 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_disallow_all_hbs_uv [2021-12-14 17:37:26,260 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_timeout_partition_disengage [2021-12-14 17:37:26,260 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_timeout_partition_disengage [2021-12-14 17:37:26,260 INFO L130 BoogieDeclarations]: Found specification of procedure cpumask_of_node [2021-12-14 17:37:26,260 INFO L138 BoogieDeclarations]: Found implementation of procedure cpumask_of_node [2021-12-14 17:37:26,261 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_init_mq_node [2021-12-14 17:37:26,261 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_init_mq_node [2021-12-14 17:37:26,261 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_destroy_gru_mq_uv [2021-12-14 17:37:26,261 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_destroy_gru_mq_uv [2021-12-14 17:37:26,261 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_discovery [2021-12-14 17:37:26,261 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_discovery [2021-12-14 17:37:26,261 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_get_partition_rsvd_page_pa_uv [2021-12-14 17:37:26,261 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_get_partition_rsvd_page_pa_uv [2021-12-14 17:37:26,261 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2021-12-14 17:37:26,262 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2021-12-14 17:37:26,262 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_send_activate_IRQ_ch_uv [2021-12-14 17:37:26,262 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_send_activate_IRQ_ch_uv [2021-12-14 17:37:26,262 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_increment_heartbeat_uv [2021-12-14 17:37:26,262 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_increment_heartbeat_uv [2021-12-14 17:37:26,262 INFO L130 BoogieDeclarations]: Found specification of procedure put_online_cpus [2021-12-14 17:37:26,262 INFO L138 BoogieDeclarations]: Found implementation of procedure put_online_cpus [2021-12-14 17:37:26,262 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-12-14 17:37:26,262 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_process_sent_chctl_flags [2021-12-14 17:37:26,263 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_process_sent_chctl_flags [2021-12-14 17:37:26,263 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_get_remote_heartbeat_uv [2021-12-14 17:37:26,263 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_get_remote_heartbeat_uv [2021-12-14 17:37:26,263 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2021-12-14 17:37:26,263 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2021-12-14 17:37:26,263 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_teardown_partitions [2021-12-14 17:37:26,263 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_teardown_partitions [2021-12-14 17:37:26,263 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_process_disconnect [2021-12-14 17:37:26,263 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_process_disconnect [2021-12-14 17:37:26,264 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_do_exit [2021-12-14 17:37:26,264 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_do_exit [2021-12-14 17:37:26,264 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_online_heartbeat_uv [2021-12-14 17:37:26,264 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_online_heartbeat_uv [2021-12-14 17:37:26,264 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_get_fifo_entry_uv [2021-12-14 17:37:26,264 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_get_fifo_entry_uv [2021-12-14 17:37:26,264 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_mutex_of_xpc_registration [2021-12-14 17:37:26,264 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_mutex_of_xpc_registration [2021-12-14 17:37:26,264 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_disallow_hb_uv [2021-12-14 17:37:26,265 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_disallow_hb_uv [2021-12-14 17:37:26,265 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-12-14 17:37:26,265 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_send_chctl_openreply_uv [2021-12-14 17:37:26,265 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_send_chctl_openreply_uv [2021-12-14 17:37:26,265 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_hb_checker [2021-12-14 17:37:26,265 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_hb_checker [2021-12-14 17:37:26,265 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~~TO~VOID [2021-12-14 17:37:26,265 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~~TO~VOID [2021-12-14 17:37:26,265 INFO L130 BoogieDeclarations]: Found specification of procedure complete [2021-12-14 17:37:26,265 INFO L138 BoogieDeclarations]: Found implementation of procedure complete [2021-12-14 17:37:26,266 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_setup_ch_structures_uv [2021-12-14 17:37:26,266 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_setup_ch_structures_uv [2021-12-14 17:37:26,266 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_setup_rsvd_page_uv [2021-12-14 17:37:26,266 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_setup_rsvd_page_uv [2021-12-14 17:37:26,266 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-14 17:37:26,266 INFO L130 BoogieDeclarations]: Found specification of procedure cpumask_next [2021-12-14 17:37:26,266 INFO L138 BoogieDeclarations]: Found implementation of procedure cpumask_next [2021-12-14 17:37:26,266 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_inc [2021-12-14 17:37:26,266 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_inc [2021-12-14 17:37:26,267 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_request_partition_deactivation_uv [2021-12-14 17:37:26,267 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_request_partition_deactivation_uv [2021-12-14 17:37:26,267 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_get_chctl_all_flags_uv [2021-12-14 17:37:26,267 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_get_chctl_all_flags_uv [2021-12-14 17:37:26,267 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_gru_mq_watchlist_free_uv [2021-12-14 17:37:26,267 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_gru_mq_watchlist_free_uv [2021-12-14 17:37:26,267 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_partition_going_down [2021-12-14 17:37:26,267 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_partition_going_down [2021-12-14 17:37:26,267 INFO L130 BoogieDeclarations]: Found specification of procedure wait_for_completion [2021-12-14 17:37:26,268 INFO L138 BoogieDeclarations]: Found implementation of procedure wait_for_completion [2021-12-14 17:37:26,268 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-12-14 17:37:26,268 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2021-12-14 17:37:26,268 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2021-12-14 17:37:26,268 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2021-12-14 17:37:26,268 INFO L130 BoogieDeclarations]: Found specification of procedure current_thread_info [2021-12-14 17:37:26,268 INFO L138 BoogieDeclarations]: Found implementation of procedure current_thread_info [2021-12-14 17:37:26,268 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2021-12-14 17:37:26,268 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2021-12-14 17:37:26,269 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_dec [2021-12-14 17:37:26,269 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_dec [2021-12-14 17:37:26,269 INFO L130 BoogieDeclarations]: Found specification of procedure __wake_up [2021-12-14 17:37:26,269 INFO L138 BoogieDeclarations]: Found implementation of procedure __wake_up [2021-12-14 17:37:26,269 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_sysctl_table [2021-12-14 17:37:26,269 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_sysctl_table [2021-12-14 17:37:26,269 INFO L130 BoogieDeclarations]: Found specification of procedure uv_gpa [2021-12-14 17:37:26,269 INFO L138 BoogieDeclarations]: Found implementation of procedure uv_gpa [2021-12-14 17:37:26,269 INFO L130 BoogieDeclarations]: Found specification of procedure PTR_ERR [2021-12-14 17:37:26,269 INFO L138 BoogieDeclarations]: Found implementation of procedure PTR_ERR [2021-12-14 17:37:26,270 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~X~int~X~$Pointer$~X~$Pointer$~TO~VOID [2021-12-14 17:37:26,270 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~X~int~X~$Pointer$~X~$Pointer$~TO~VOID [2021-12-14 17:37:26,270 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_get_deliverable_payload_uv [2021-12-14 17:37:26,270 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_get_deliverable_payload_uv [2021-12-14 17:37:26,270 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_notify_senders_of_disconnect_uv [2021-12-14 17:37:26,270 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_notify_senders_of_disconnect_uv [2021-12-14 17:37:26,270 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_add_return [2021-12-14 17:37:26,270 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_add_return [2021-12-14 17:37:26,270 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_make_first_contact_uv [2021-12-14 17:37:26,271 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_make_first_contact_uv [2021-12-14 17:37:26,271 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_n_of_deliverable_payloads_uv [2021-12-14 17:37:26,271 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_n_of_deliverable_payloads_uv [2021-12-14 17:37:26,271 INFO L130 BoogieDeclarations]: Found specification of procedure init_timer_key [2021-12-14 17:37:26,271 INFO L138 BoogieDeclarations]: Found implementation of procedure init_timer_key [2021-12-14 17:37:26,271 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_get_remote_rp [2021-12-14 17:37:26,271 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_get_remote_rp [2021-12-14 17:37:26,271 INFO L130 BoogieDeclarations]: Found specification of procedure prepare_to_wait [2021-12-14 17:37:26,271 INFO L138 BoogieDeclarations]: Found implementation of procedure prepare_to_wait [2021-12-14 17:37:26,271 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_hb_beater [2021-12-14 17:37:26,272 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_hb_beater [2021-12-14 17:37:26,272 INFO L130 BoogieDeclarations]: Found specification of procedure is_uv_system [2021-12-14 17:37:26,272 INFO L138 BoogieDeclarations]: Found implementation of procedure is_uv_system [2021-12-14 17:37:26,272 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2021-12-14 17:37:26,272 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2021-12-14 17:37:26,272 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~TO~VOID [2021-12-14 17:37:26,272 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~TO~VOID [2021-12-14 17:37:26,272 INFO L130 BoogieDeclarations]: Found specification of procedure __init_waitqueue_head [2021-12-14 17:37:26,272 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_waitqueue_head [2021-12-14 17:37:26,273 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-14 17:37:26,273 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~VOID [2021-12-14 17:37:26,273 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~VOID [2021-12-14 17:37:26,273 INFO L130 BoogieDeclarations]: Found specification of procedure finish_wait [2021-12-14 17:37:26,273 INFO L138 BoogieDeclarations]: Found implementation of procedure finish_wait [2021-12-14 17:37:26,273 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-14 17:37:26,273 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-14 17:37:26,273 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_assume_partition_disengaged_uv [2021-12-14 17:37:26,273 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_assume_partition_disengaged_uv [2021-12-14 17:37:26,273 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2021-12-14 17:37:26,274 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2021-12-14 17:37:26,274 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_cancel_partition_deactivation_request_uv [2021-12-14 17:37:26,274 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_cancel_partition_deactivation_request_uv [2021-12-14 17:37:26,987 INFO L236 CfgBuilder]: Building ICFG [2021-12-14 17:37:26,990 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-14 17:37:35,160 INFO L277 CfgBuilder]: Performing block encoding [2021-12-14 17:37:35,181 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-14 17:37:35,181 INFO L301 CfgBuilder]: Removed 0 assume(true) statements. [2021-12-14 17:37:35,185 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 05:37:35 BoogieIcfgContainer [2021-12-14 17:37:35,185 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-14 17:37:35,186 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-14 17:37:35,186 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-14 17:37:35,188 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-14 17:37:35,189 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.12 05:37:23" (1/3) ... [2021-12-14 17:37:35,189 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6141d485 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.12 05:37:35, skipping insertion in model container [2021-12-14 17:37:35,189 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:37:25" (2/3) ... [2021-12-14 17:37:35,189 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6141d485 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.12 05:37:35, skipping insertion in model container [2021-12-14 17:37:35,190 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 05:37:35" (3/3) ... [2021-12-14 17:37:35,192 INFO L111 eAbstractionObserver]: Analyzing ICFG 32_7a_cilled_linux-3.8-rc1-drivers--misc--sgi-xp--xpc.ko-main.cil.out.i [2021-12-14 17:37:35,195 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-14 17:37:35,195 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-12-14 17:37:35,237 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-14 17:37:35,242 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 [2021-12-14 17:37:35,242 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-12-14 17:37:35,300 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) [2021-12-14 17:37:35,306 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2021-12-14 17:37:35,306 INFO L506 BasicCegarLoop]: Found error trace [2021-12-14 17:37:35,306 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] [2021-12-14 17:37:35,307 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-14 17:37:35,310 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-14 17:37:35,311 INFO L85 PathProgramCache]: Analyzing trace with hash 150157696, now seen corresponding path program 1 times [2021-12-14 17:37:35,316 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-14 17:37:35,317 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1208280129] [2021-12-14 17:37:35,317 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-14 17:37:35,318 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-14 17:37:35,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:37:35,824 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-14 17:37:35,825 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-14 17:37:35,825 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1208280129] [2021-12-14 17:37:35,825 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1208280129] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-14 17:37:35,826 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-14 17:37:35,826 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-14 17:37:35,827 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1490052473] [2021-12-14 17:37:35,827 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-14 17:37:35,829 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-14 17:37:35,830 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-14 17:37:35,845 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-14 17:37:35,845 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-14 17:37:35,851 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) [2021-12-14 17:37:36,425 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-14 17:37:36,426 INFO L93 Difference]: Finished difference Result 8035 states and 12012 transitions. [2021-12-14 17:37:36,427 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-14 17:37:36,428 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 [2021-12-14 17:37:36,428 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-14 17:37:36,459 INFO L225 Difference]: With dead ends: 8035 [2021-12-14 17:37:36,459 INFO L226 Difference]: Without dead ends: 5214 [2021-12-14 17:37:36,480 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 [2021-12-14 17:37:36,482 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, 0.3s IncrementalHoareTripleChecker+Time [2021-12-14 17:37:36,483 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3469 Valid, 9782 Invalid, 251 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 249 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2021-12-14 17:37:36,499 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5214 states. [2021-12-14 17:37:36,671 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5214 to 5196. [2021-12-14 17:37:36,680 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) [2021-12-14 17:37:36,710 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5196 states to 5196 states and 7478 transitions. [2021-12-14 17:37:36,713 INFO L78 Accepts]: Start accepts. Automaton has 5196 states and 7478 transitions. Word has length 20 [2021-12-14 17:37:36,714 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-14 17:37:36,714 INFO L470 AbstractCegarLoop]: Abstraction has 5196 states and 7478 transitions. [2021-12-14 17:37:36,714 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) [2021-12-14 17:37:36,714 INFO L276 IsEmpty]: Start isEmpty. Operand 5196 states and 7478 transitions. [2021-12-14 17:37:36,716 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-12-14 17:37:36,716 INFO L506 BasicCegarLoop]: Found error trace [2021-12-14 17:37:36,716 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] [2021-12-14 17:37:36,717 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-12-14 17:37:36,717 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-14 17:37:36,717 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-14 17:37:36,717 INFO L85 PathProgramCache]: Analyzing trace with hash 888374678, now seen corresponding path program 1 times [2021-12-14 17:37:36,718 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-14 17:37:36,718 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1704426034] [2021-12-14 17:37:36,718 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-14 17:37:36,718 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-14 17:37:36,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:37:36,857 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-14 17:37:36,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:37:36,866 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-14 17:37:36,866 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-14 17:37:36,867 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1704426034] [2021-12-14 17:37:36,867 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1704426034] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-14 17:37:36,868 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-14 17:37:36,868 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-14 17:37:36,868 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [694809256] [2021-12-14 17:37:36,868 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-14 17:37:36,869 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-14 17:37:36,869 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-14 17:37:36,870 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-14 17:37:36,870 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-14 17:37:36,870 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) [2021-12-14 17:37:37,027 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-14 17:37:37,027 INFO L93 Difference]: Finished difference Result 5223 states and 7512 transitions. [2021-12-14 17:37:37,028 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-14 17:37:37,028 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 [2021-12-14 17:37:37,028 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-14 17:37:37,053 INFO L225 Difference]: With dead ends: 5223 [2021-12-14 17:37:37,054 INFO L226 Difference]: Without dead ends: 5210 [2021-12-14 17:37:37,057 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 [2021-12-14 17:37:37,058 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, 0.1s IncrementalHoareTripleChecker+Time [2021-12-14 17:37:37,059 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4044 Valid, 4080 Invalid, 6 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-12-14 17:37:37,065 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5210 states. [2021-12-14 17:37:37,269 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5210 to 5197. [2021-12-14 17:37:37,276 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) [2021-12-14 17:37:37,295 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5197 states to 5197 states and 7479 transitions. [2021-12-14 17:37:37,296 INFO L78 Accepts]: Start accepts. Automaton has 5197 states and 7479 transitions. Word has length 24 [2021-12-14 17:37:37,296 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-14 17:37:37,296 INFO L470 AbstractCegarLoop]: Abstraction has 5197 states and 7479 transitions. [2021-12-14 17:37:37,296 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) [2021-12-14 17:37:37,297 INFO L276 IsEmpty]: Start isEmpty. Operand 5197 states and 7479 transitions. [2021-12-14 17:37:37,298 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-12-14 17:37:37,298 INFO L506 BasicCegarLoop]: Found error trace [2021-12-14 17:37:37,298 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] [2021-12-14 17:37:37,298 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-12-14 17:37:37,298 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-14 17:37:37,299 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-14 17:37:37,299 INFO L85 PathProgramCache]: Analyzing trace with hash 945632980, now seen corresponding path program 1 times [2021-12-14 17:37:37,299 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-14 17:37:37,299 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [20578135] [2021-12-14 17:37:37,299 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-14 17:37:37,299 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-14 17:37:37,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:37:37,420 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-14 17:37:37,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:37:37,429 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-14 17:37:37,429 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-14 17:37:37,429 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [20578135] [2021-12-14 17:37:37,429 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [20578135] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-14 17:37:37,430 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-14 17:37:37,430 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-14 17:37:37,430 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [397301373] [2021-12-14 17:37:37,430 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-14 17:37:37,430 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-14 17:37:37,430 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-14 17:37:37,431 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-14 17:37:37,431 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-14 17:37:37,431 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) [2021-12-14 17:37:37,583 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-14 17:37:37,583 INFO L93 Difference]: Finished difference Result 5337 states and 7621 transitions. [2021-12-14 17:37:37,584 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-14 17:37:37,584 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 [2021-12-14 17:37:37,584 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-14 17:37:37,603 INFO L225 Difference]: With dead ends: 5337 [2021-12-14 17:37:37,603 INFO L226 Difference]: Without dead ends: 5333 [2021-12-14 17:37:37,605 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 [2021-12-14 17:37:37,606 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 [2021-12-14 17:37:37,606 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] [2021-12-14 17:37:37,611 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5333 states. [2021-12-14 17:37:37,731 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5333 to 5331. [2021-12-14 17:37:37,738 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) [2021-12-14 17:37:37,762 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5331 states to 5331 states and 7614 transitions. [2021-12-14 17:37:37,763 INFO L78 Accepts]: Start accepts. Automaton has 5331 states and 7614 transitions. Word has length 24 [2021-12-14 17:37:37,763 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-14 17:37:37,764 INFO L470 AbstractCegarLoop]: Abstraction has 5331 states and 7614 transitions. [2021-12-14 17:37:37,764 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) [2021-12-14 17:37:37,764 INFO L276 IsEmpty]: Start isEmpty. Operand 5331 states and 7614 transitions. [2021-12-14 17:37:37,765 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-12-14 17:37:37,765 INFO L506 BasicCegarLoop]: Found error trace [2021-12-14 17:37:37,765 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] [2021-12-14 17:37:37,765 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-12-14 17:37:37,766 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-14 17:37:37,766 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-14 17:37:37,766 INFO L85 PathProgramCache]: Analyzing trace with hash -751552013, now seen corresponding path program 1 times [2021-12-14 17:37:37,766 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-14 17:37:37,766 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1572314913] [2021-12-14 17:37:37,766 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-14 17:37:37,767 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-14 17:37:37,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:37:37,894 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-14 17:37:37,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:37:37,910 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-14 17:37:37,910 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-14 17:37:37,910 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1572314913] [2021-12-14 17:37:37,912 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1572314913] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-14 17:37:37,913 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-14 17:37:37,913 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-14 17:37:37,913 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [843712395] [2021-12-14 17:37:37,913 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-14 17:37:37,913 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-14 17:37:37,914 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-14 17:37:37,914 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-14 17:37:37,915 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-14 17:37:37,915 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) [2021-12-14 17:37:38,140 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-14 17:37:38,140 INFO L93 Difference]: Finished difference Result 5333 states and 7615 transitions. [2021-12-14 17:37:38,140 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-14 17:37:38,141 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 [2021-12-14 17:37:38,141 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-14 17:37:38,159 INFO L225 Difference]: With dead ends: 5333 [2021-12-14 17:37:38,159 INFO L226 Difference]: Without dead ends: 5330 [2021-12-14 17:37:38,161 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 [2021-12-14 17:37:38,165 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 [2021-12-14 17:37:38,166 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] [2021-12-14 17:37:38,171 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5330 states. [2021-12-14 17:37:38,315 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5330 to 5330. [2021-12-14 17:37:38,329 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) [2021-12-14 17:37:38,348 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5330 states to 5330 states and 7612 transitions. [2021-12-14 17:37:38,349 INFO L78 Accepts]: Start accepts. Automaton has 5330 states and 7612 transitions. Word has length 25 [2021-12-14 17:37:38,349 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-14 17:37:38,350 INFO L470 AbstractCegarLoop]: Abstraction has 5330 states and 7612 transitions. [2021-12-14 17:37:38,350 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) [2021-12-14 17:37:38,350 INFO L276 IsEmpty]: Start isEmpty. Operand 5330 states and 7612 transitions. [2021-12-14 17:37:38,351 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-12-14 17:37:38,351 INFO L506 BasicCegarLoop]: Found error trace [2021-12-14 17:37:38,351 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] [2021-12-14 17:37:38,352 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-12-14 17:37:38,352 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-14 17:37:38,352 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-14 17:37:38,352 INFO L85 PathProgramCache]: Analyzing trace with hash -1824674377, now seen corresponding path program 1 times [2021-12-14 17:37:38,352 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-14 17:37:38,352 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1819422628] [2021-12-14 17:37:38,353 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-14 17:37:38,353 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-14 17:37:38,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:37:38,490 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-14 17:37:38,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:37:38,502 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-14 17:37:38,502 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-14 17:37:38,502 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1819422628] [2021-12-14 17:37:38,503 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1819422628] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-14 17:37:38,503 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-14 17:37:38,504 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-14 17:37:38,504 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [445411272] [2021-12-14 17:37:38,504 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-14 17:37:38,504 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-14 17:37:38,504 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-14 17:37:38,504 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-14 17:37:38,505 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-14 17:37:38,505 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) [2021-12-14 17:37:38,664 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-14 17:37:38,665 INFO L93 Difference]: Finished difference Result 5332 states and 7613 transitions. [2021-12-14 17:37:38,665 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-14 17:37:38,665 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 [2021-12-14 17:37:38,665 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-14 17:37:38,700 INFO L225 Difference]: With dead ends: 5332 [2021-12-14 17:37:38,701 INFO L226 Difference]: Without dead ends: 5329 [2021-12-14 17:37:38,704 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 [2021-12-14 17:37:38,704 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 [2021-12-14 17:37:38,711 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] [2021-12-14 17:37:38,715 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5329 states. [2021-12-14 17:37:38,847 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5329 to 5329. [2021-12-14 17:37:38,853 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) [2021-12-14 17:37:38,871 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5329 states to 5329 states and 7610 transitions. [2021-12-14 17:37:38,872 INFO L78 Accepts]: Start accepts. Automaton has 5329 states and 7610 transitions. Word has length 26 [2021-12-14 17:37:38,872 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-14 17:37:38,872 INFO L470 AbstractCegarLoop]: Abstraction has 5329 states and 7610 transitions. [2021-12-14 17:37:38,872 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) [2021-12-14 17:37:38,873 INFO L276 IsEmpty]: Start isEmpty. Operand 5329 states and 7610 transitions. [2021-12-14 17:37:38,873 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2021-12-14 17:37:38,873 INFO L506 BasicCegarLoop]: Found error trace [2021-12-14 17:37:38,874 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] [2021-12-14 17:37:38,874 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-12-14 17:37:38,874 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-14 17:37:38,874 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-14 17:37:38,874 INFO L85 PathProgramCache]: Analyzing trace with hash -731724426, now seen corresponding path program 1 times [2021-12-14 17:37:38,874 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-14 17:37:38,875 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1618132713] [2021-12-14 17:37:38,875 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-14 17:37:38,875 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-14 17:37:38,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:37:39,029 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-14 17:37:39,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:37:39,040 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-14 17:37:39,040 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-14 17:37:39,040 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1618132713] [2021-12-14 17:37:39,040 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1618132713] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-14 17:37:39,040 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-14 17:37:39,040 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-14 17:37:39,040 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1712740654] [2021-12-14 17:37:39,041 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-14 17:37:39,041 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-14 17:37:39,041 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-14 17:37:39,041 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-14 17:37:39,041 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-14 17:37:39,042 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) [2021-12-14 17:37:39,197 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-14 17:37:39,197 INFO L93 Difference]: Finished difference Result 5331 states and 7611 transitions. [2021-12-14 17:37:39,197 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-14 17:37:39,198 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 [2021-12-14 17:37:39,198 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-14 17:37:39,212 INFO L225 Difference]: With dead ends: 5331 [2021-12-14 17:37:39,212 INFO L226 Difference]: Without dead ends: 5328 [2021-12-14 17:37:39,214 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 [2021-12-14 17:37:39,216 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 [2021-12-14 17:37:39,216 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] [2021-12-14 17:37:39,220 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5328 states. [2021-12-14 17:37:39,346 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5328 to 5328. [2021-12-14 17:37:39,351 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) [2021-12-14 17:37:39,368 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5328 states to 5328 states and 7608 transitions. [2021-12-14 17:37:39,368 INFO L78 Accepts]: Start accepts. Automaton has 5328 states and 7608 transitions. Word has length 27 [2021-12-14 17:37:39,370 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-14 17:37:39,370 INFO L470 AbstractCegarLoop]: Abstraction has 5328 states and 7608 transitions. [2021-12-14 17:37:39,370 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) [2021-12-14 17:37:39,370 INFO L276 IsEmpty]: Start isEmpty. Operand 5328 states and 7608 transitions. [2021-12-14 17:37:39,372 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-12-14 17:37:39,373 INFO L506 BasicCegarLoop]: Found error trace [2021-12-14 17:37:39,373 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] [2021-12-14 17:37:39,373 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-12-14 17:37:39,373 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-14 17:37:39,373 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-14 17:37:39,373 INFO L85 PathProgramCache]: Analyzing trace with hash -1210009446, now seen corresponding path program 1 times [2021-12-14 17:37:39,374 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-14 17:37:39,374 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [93275200] [2021-12-14 17:37:39,374 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-14 17:37:39,374 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-14 17:37:39,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:37:39,495 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-14 17:37:39,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:37:39,509 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-14 17:37:39,509 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-14 17:37:39,509 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [93275200] [2021-12-14 17:37:39,509 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [93275200] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-14 17:37:39,509 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-14 17:37:39,509 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-14 17:37:39,510 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [933476003] [2021-12-14 17:37:39,510 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-14 17:37:39,510 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-14 17:37:39,510 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-14 17:37:39,510 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-14 17:37:39,510 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-14 17:37:39,511 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) [2021-12-14 17:37:39,917 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-14 17:37:39,917 INFO L93 Difference]: Finished difference Result 15936 states and 23108 transitions. [2021-12-14 17:37:39,918 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-14 17:37:39,918 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 [2021-12-14 17:37:39,919 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-14 17:37:39,953 INFO L225 Difference]: With dead ends: 15936 [2021-12-14 17:37:39,953 INFO L226 Difference]: Without dead ends: 10604 [2021-12-14 17:37:39,979 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 [2021-12-14 17:37:39,981 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 [2021-12-14 17:37:39,981 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] [2021-12-14 17:37:39,991 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10604 states. [2021-12-14 17:37:40,311 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10604 to 10590. [2021-12-14 17:37:40,323 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) [2021-12-14 17:37:40,367 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10590 states to 10590 states and 15291 transitions. [2021-12-14 17:37:40,370 INFO L78 Accepts]: Start accepts. Automaton has 10590 states and 15291 transitions. Word has length 28 [2021-12-14 17:37:40,370 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-14 17:37:40,370 INFO L470 AbstractCegarLoop]: Abstraction has 10590 states and 15291 transitions. [2021-12-14 17:37:40,370 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) [2021-12-14 17:37:40,370 INFO L276 IsEmpty]: Start isEmpty. Operand 10590 states and 15291 transitions. [2021-12-14 17:37:40,376 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2021-12-14 17:37:40,376 INFO L506 BasicCegarLoop]: Found error trace [2021-12-14 17:37:40,376 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] [2021-12-14 17:37:40,376 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-12-14 17:37:40,376 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-14 17:37:40,377 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-14 17:37:40,377 INFO L85 PathProgramCache]: Analyzing trace with hash -1380410177, now seen corresponding path program 1 times [2021-12-14 17:37:40,377 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-14 17:37:40,377 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [37545942] [2021-12-14 17:37:40,377 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-14 17:37:40,377 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-14 17:37:40,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:37:40,577 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-14 17:37:40,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:37:40,591 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2021-12-14 17:37:40,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:37:40,602 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2021-12-14 17:37:40,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:37:40,620 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2021-12-14 17:37:40,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:37:40,634 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-12-14 17:37:40,634 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-14 17:37:40,634 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [37545942] [2021-12-14 17:37:40,634 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [37545942] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-14 17:37:40,634 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-14 17:37:40,634 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-14 17:37:40,635 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [419006156] [2021-12-14 17:37:40,635 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-14 17:37:40,635 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-12-14 17:37:40,635 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-14 17:37:40,635 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-12-14 17:37:40,636 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-12-14 17:37:40,636 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) [2021-12-14 17:37:42,731 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 [] [2021-12-14 17:37:50,777 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-14 17:37:50,777 INFO L93 Difference]: Finished difference Result 15564 states and 24318 transitions. [2021-12-14 17:37:50,778 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-12-14 17:37:50,778 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 [2021-12-14 17:37:50,778 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-14 17:37:50,866 INFO L225 Difference]: With dead ends: 15564 [2021-12-14 17:37:50,866 INFO L226 Difference]: Without dead ends: 15561 [2021-12-14 17:37:50,886 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2021-12-14 17:37:50,886 INFO L933 BasicCegarLoop]: 3766 mSDtfsCounter, 2739 mSDsluCounter, 5331 mSDsCounter, 0 mSdLazyCounter, 5354 mSolverCounterSat, 2677 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3143 SdHoareTripleChecker+Valid, 9097 SdHoareTripleChecker+Invalid, 8032 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2677 IncrementalHoareTripleChecker+Valid, 5354 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.5s IncrementalHoareTripleChecker+Time [2021-12-14 17:37:50,887 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3143 Valid, 9097 Invalid, 8032 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2677 Valid, 5354 Invalid, 1 Unknown, 0 Unchecked, 9.5s Time] [2021-12-14 17:37:50,898 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15561 states. [2021-12-14 17:37:51,428 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15561 to 10913. [2021-12-14 17:37:51,439 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) [2021-12-14 17:37:51,477 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10913 states to 10913 states and 15876 transitions. [2021-12-14 17:37:51,479 INFO L78 Accepts]: Start accepts. Automaton has 10913 states and 15876 transitions. Word has length 62 [2021-12-14 17:37:51,480 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-14 17:37:51,480 INFO L470 AbstractCegarLoop]: Abstraction has 10913 states and 15876 transitions. [2021-12-14 17:37:51,480 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) [2021-12-14 17:37:51,481 INFO L276 IsEmpty]: Start isEmpty. Operand 10913 states and 15876 transitions. [2021-12-14 17:37:51,504 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 240 [2021-12-14 17:37:51,505 INFO L506 BasicCegarLoop]: Found error trace [2021-12-14 17:37:51,505 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] [2021-12-14 17:37:51,505 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-12-14 17:37:51,505 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-14 17:37:51,506 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-14 17:37:51,506 INFO L85 PathProgramCache]: Analyzing trace with hash 1394246988, now seen corresponding path program 1 times [2021-12-14 17:37:51,506 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-14 17:37:51,506 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [487164114] [2021-12-14 17:37:51,506 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-14 17:37:51,506 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-14 17:37:51,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:37:51,676 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-14 17:37:51,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:37:51,689 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-12-14 17:37:51,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:37:51,697 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 17:37:51,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:37:51,704 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 17:37:51,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:37:51,711 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2021-12-14 17:37:51,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:37:51,722 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2021-12-14 17:37:51,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:37:51,727 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2021-12-14 17:37:51,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:37:51,732 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2021-12-14 17:37:51,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:37:51,737 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2021-12-14 17:37:51,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:37:51,755 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2021-12-14 17:37:51,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:37:51,776 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-14 17:37:51,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:37:51,785 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 17:37:51,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:37:51,792 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-14 17:37:51,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:37:51,797 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-14 17:37:51,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:37:51,823 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2021-12-14 17:37:51,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:37:51,850 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 17:37:51,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:37:51,858 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 17:37:51,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:37:51,864 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 17:37:51,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:37:51,870 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2021-12-14 17:37:51,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:37:51,876 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 17:37:51,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:37:51,882 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2021-12-14 17:37:51,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:37:51,893 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-14 17:37:51,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:37:51,899 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2021-12-14 17:37:51,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:37:51,906 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2021-12-14 17:37:51,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:37:51,917 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2021-12-14 17:37:51,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:37:51,924 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2021-12-14 17:37:51,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:37:51,940 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 188 [2021-12-14 17:37:51,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:37:51,959 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 17:37:51,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:37:51,964 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-14 17:37:51,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:37:51,969 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-12-14 17:37:51,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:37:51,974 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 222 [2021-12-14 17:37:51,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:37:51,982 INFO L134 CoverageAnalysis]: Checked inductivity of 83 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 81 trivial. 0 not checked. [2021-12-14 17:37:51,982 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-14 17:37:51,982 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [487164114] [2021-12-14 17:37:51,983 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [487164114] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-14 17:37:51,983 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [907076138] [2021-12-14 17:37:51,983 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-14 17:37:51,983 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-14 17:37:51,983 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-14 17:37:52,023 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) [2021-12-14 17:37:52,041 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-12-14 17:37:53,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:37:53,130 INFO L263 TraceCheckSpWp]: Trace formula consists of 5589 conjuncts, 2 conjunts are in the unsatisfiable core [2021-12-14 17:37:53,142 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-14 17:37:53,467 INFO L134 CoverageAnalysis]: Checked inductivity of 83 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 80 trivial. 0 not checked. [2021-12-14 17:37:53,468 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-14 17:37:53,468 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [907076138] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-14 17:37:53,468 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-12-14 17:37:53,468 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [8] total 8 [2021-12-14 17:37:53,468 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [569228353] [2021-12-14 17:37:53,468 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-14 17:37:53,469 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-14 17:37:53,469 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-14 17:37:53,469 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-14 17:37:53,470 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2021-12-14 17:37:53,470 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) [2021-12-14 17:37:53,835 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-14 17:37:53,836 INFO L93 Difference]: Finished difference Result 22652 states and 33166 transitions. [2021-12-14 17:37:53,836 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-14 17:37:53,836 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 [2021-12-14 17:37:53,837 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-14 17:37:53,878 INFO L225 Difference]: With dead ends: 22652 [2021-12-14 17:37:53,878 INFO L226 Difference]: Without dead ends: 11742 [2021-12-14 17:37:53,915 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 [2021-12-14 17:37:53,915 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 [2021-12-14 17:37:53,916 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] [2021-12-14 17:37:53,923 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11742 states. [2021-12-14 17:37:54,231 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11742 to 10917. [2021-12-14 17:37:54,241 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) [2021-12-14 17:37:54,276 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10917 states to 10917 states and 15880 transitions. [2021-12-14 17:37:54,279 INFO L78 Accepts]: Start accepts. Automaton has 10917 states and 15880 transitions. Word has length 239 [2021-12-14 17:37:54,279 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-14 17:37:54,279 INFO L470 AbstractCegarLoop]: Abstraction has 10917 states and 15880 transitions. [2021-12-14 17:37:54,280 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) [2021-12-14 17:37:54,280 INFO L276 IsEmpty]: Start isEmpty. Operand 10917 states and 15880 transitions. [2021-12-14 17:37:54,301 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 249 [2021-12-14 17:37:54,301 INFO L506 BasicCegarLoop]: Found error trace [2021-12-14 17:37:54,301 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] [2021-12-14 17:37:54,346 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2021-12-14 17:37:54,526 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 [2021-12-14 17:37:54,527 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-14 17:37:54,527 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-14 17:37:54,527 INFO L85 PathProgramCache]: Analyzing trace with hash 1110554405, now seen corresponding path program 1 times [2021-12-14 17:37:54,528 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-14 17:37:54,528 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2066767475] [2021-12-14 17:37:54,528 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-14 17:37:54,528 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-14 17:37:54,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:37:54,705 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-14 17:37:54,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:37:54,717 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2021-12-14 17:37:54,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:37:54,730 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 17:37:54,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:37:54,735 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 17:37:54,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:37:54,740 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2021-12-14 17:37:54,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:37:54,745 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2021-12-14 17:37:54,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:37:54,750 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2021-12-14 17:37:54,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:37:54,754 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2021-12-14 17:37:54,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:37:54,759 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2021-12-14 17:37:54,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:37:54,775 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2021-12-14 17:37:54,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:37:54,791 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-14 17:37:54,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:37:54,798 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 17:37:54,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:37:54,804 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-14 17:37:54,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:37:54,809 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-14 17:37:54,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:37:54,834 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2021-12-14 17:37:54,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:37:54,849 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 17:37:54,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:37:54,856 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 17:37:54,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:37:54,863 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 17:37:54,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:37:54,869 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2021-12-14 17:37:54,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:37:54,874 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 17:37:54,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:37:54,878 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2021-12-14 17:37:54,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:37:54,887 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-14 17:37:54,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:37:54,892 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2021-12-14 17:37:54,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:37:54,897 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2021-12-14 17:37:54,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:37:54,902 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2021-12-14 17:37:54,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:37:54,907 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2021-12-14 17:37:54,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:37:54,921 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2021-12-14 17:37:54,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:37:54,935 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 17:37:54,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:37:54,940 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-14 17:37:54,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:37:54,944 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-12-14 17:37:54,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:37:54,949 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 231 [2021-12-14 17:37:54,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:37:54,955 INFO L134 CoverageAnalysis]: Checked inductivity of 83 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 81 trivial. 0 not checked. [2021-12-14 17:37:54,955 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-14 17:37:54,955 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2066767475] [2021-12-14 17:37:54,955 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2066767475] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-14 17:37:54,955 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1979859288] [2021-12-14 17:37:54,955 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-14 17:37:54,956 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-14 17:37:54,956 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-14 17:37:54,972 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) [2021-12-14 17:37:54,973 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2021-12-14 17:37:56,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:37:56,194 INFO L263 TraceCheckSpWp]: Trace formula consists of 5964 conjuncts, 2 conjunts are in the unsatisfiable core [2021-12-14 17:37:56,202 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-14 17:37:56,553 INFO L134 CoverageAnalysis]: Checked inductivity of 83 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 80 trivial. 0 not checked. [2021-12-14 17:37:56,553 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-14 17:37:56,553 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1979859288] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-14 17:37:56,554 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-12-14 17:37:56,554 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [8] total 9 [2021-12-14 17:37:56,554 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1113262646] [2021-12-14 17:37:56,554 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-14 17:37:56,555 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-14 17:37:56,555 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-14 17:37:56,555 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-14 17:37:56,555 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=47, Unknown=0, NotChecked=0, Total=72 [2021-12-14 17:37:56,555 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) [2021-12-14 17:37:56,929 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-14 17:37:56,929 INFO L93 Difference]: Finished difference Result 23200 states and 34066 transitions. [2021-12-14 17:37:56,930 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-14 17:37:56,930 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 [2021-12-14 17:37:56,930 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-14 17:37:56,981 INFO L225 Difference]: With dead ends: 23200 [2021-12-14 17:37:56,981 INFO L226 Difference]: Without dead ends: 12286 [2021-12-14 17:37:57,019 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 [2021-12-14 17:37:57,020 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 [2021-12-14 17:37:57,020 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] [2021-12-14 17:37:57,031 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12286 states. [2021-12-14 17:37:57,326 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12286 to 10925. [2021-12-14 17:37:57,337 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) [2021-12-14 17:37:57,371 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10925 states to 10925 states and 15892 transitions. [2021-12-14 17:37:57,375 INFO L78 Accepts]: Start accepts. Automaton has 10925 states and 15892 transitions. Word has length 248 [2021-12-14 17:37:57,375 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-14 17:37:57,375 INFO L470 AbstractCegarLoop]: Abstraction has 10925 states and 15892 transitions. [2021-12-14 17:37:57,375 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) [2021-12-14 17:37:57,375 INFO L276 IsEmpty]: Start isEmpty. Operand 10925 states and 15892 transitions. [2021-12-14 17:37:57,395 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 249 [2021-12-14 17:37:57,395 INFO L506 BasicCegarLoop]: Found error trace [2021-12-14 17:37:57,395 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, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-14 17:37:57,425 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2021-12-14 17:37:57,621 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 [2021-12-14 17:37:57,621 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-14 17:37:57,622 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-14 17:37:57,622 INFO L85 PathProgramCache]: Analyzing trace with hash 2001629027, now seen corresponding path program 1 times [2021-12-14 17:37:57,622 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-14 17:37:57,622 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1499792206] [2021-12-14 17:37:57,622 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-14 17:37:57,622 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-14 17:37:57,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:37:57,863 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-14 17:37:57,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:37:57,874 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2021-12-14 17:37:57,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:37:57,881 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 17:37:57,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:37:57,886 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 17:37:57,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:37:57,891 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2021-12-14 17:37:57,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:37:57,898 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2021-12-14 17:37:57,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:37:57,903 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2021-12-14 17:37:57,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:37:57,907 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2021-12-14 17:37:57,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:37:57,912 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2021-12-14 17:37:57,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:37:57,929 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2021-12-14 17:37:57,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:37:57,945 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-14 17:37:57,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:37:57,953 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 17:37:57,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:37:57,958 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-14 17:37:57,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:37:57,963 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-14 17:37:57,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:37:57,988 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2021-12-14 17:37:58,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:37:58,025 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 17:37:58,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:37:58,032 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 17:37:58,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:37:58,037 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 17:37:58,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:37:58,045 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2021-12-14 17:37:58,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:37:58,051 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 17:37:58,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:37:58,055 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2021-12-14 17:37:58,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:37:58,063 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-14 17:37:58,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:37:58,068 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2021-12-14 17:37:58,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:37:58,072 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2021-12-14 17:37:58,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:37:58,077 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2021-12-14 17:37:58,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:37:58,082 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2021-12-14 17:37:58,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:37:58,098 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2021-12-14 17:37:58,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:37:58,109 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 17:37:58,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:37:58,115 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-14 17:37:58,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:37:58,120 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-12-14 17:37:58,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:37:58,124 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 231 [2021-12-14 17:37:58,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:37:58,129 INFO L134 CoverageAnalysis]: Checked inductivity of 83 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 82 trivial. 0 not checked. [2021-12-14 17:37:58,129 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-14 17:37:58,129 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1499792206] [2021-12-14 17:37:58,129 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1499792206] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-14 17:37:58,129 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-14 17:37:58,129 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-12-14 17:37:58,130 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1060213152] [2021-12-14 17:37:58,130 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-14 17:37:58,130 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2021-12-14 17:37:58,130 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-14 17:37:58,131 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-12-14 17:37:58,131 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=64, Unknown=0, NotChecked=0, Total=90 [2021-12-14 17:37:58,131 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), 4 states have internal predecessors, (142), 2 states have call successors, (38), 7 states have call predecessors, (38), 2 states have return successors, (29), 3 states have call predecessors, (29), 2 states have call successors, (29) [2021-12-14 17:38:00,218 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 [] [2021-12-14 17:38:10,501 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 [] [2021-12-14 17:38:14,415 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-14 17:38:14,416 INFO L93 Difference]: Finished difference Result 25563 states and 38819 transitions. [2021-12-14 17:38:14,416 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-12-14 17:38:14,416 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 14.2) internal successors, (142), 4 states have internal predecessors, (142), 2 states have call successors, (38), 7 states have call predecessors, (38), 2 states have return successors, (29), 3 states have call predecessors, (29), 2 states have call successors, (29) Word has length 248 [2021-12-14 17:38:14,417 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-14 17:38:14,489 INFO L225 Difference]: With dead ends: 25563 [2021-12-14 17:38:14,490 INFO L226 Difference]: Without dead ends: 14641 [2021-12-14 17:38:14,521 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 67 GetRequests, 59 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=26, Invalid=64, Unknown=0, NotChecked=0, Total=90 [2021-12-14 17:38:14,522 INFO L933 BasicCegarLoop]: 4073 mSDtfsCounter, 3237 mSDsluCounter, 14888 mSDsCounter, 0 mSdLazyCounter, 6374 mSolverCounterSat, 4144 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 13.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3505 SdHoareTripleChecker+Valid, 18961 SdHoareTripleChecker+Invalid, 10520 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 4144 IncrementalHoareTripleChecker+Valid, 6374 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 15.3s IncrementalHoareTripleChecker+Time [2021-12-14 17:38:14,522 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3505 Valid, 18961 Invalid, 10520 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [4144 Valid, 6374 Invalid, 2 Unknown, 0 Unchecked, 15.3s Time] [2021-12-14 17:38:14,532 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14641 states. [2021-12-14 17:38:14,962 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14641 to 12081. [2021-12-14 17:38:14,978 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12081 states, 8187 states have (on average 1.3368755343837793) internal successors, (10945), 8639 states have internal predecessors, (10945), 3117 states have call successors, (3117), 678 states have call predecessors, (3117), 776 states have return successors, (3862), 3019 states have call predecessors, (3862), 3110 states have call successors, (3862) [2021-12-14 17:38:15,028 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12081 states to 12081 states and 17924 transitions. [2021-12-14 17:38:15,034 INFO L78 Accepts]: Start accepts. Automaton has 12081 states and 17924 transitions. Word has length 248 [2021-12-14 17:38:15,035 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-14 17:38:15,035 INFO L470 AbstractCegarLoop]: Abstraction has 12081 states and 17924 transitions. [2021-12-14 17:38:15,035 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 14.2) internal successors, (142), 4 states have internal predecessors, (142), 2 states have call successors, (38), 7 states have call predecessors, (38), 2 states have return successors, (29), 3 states have call predecessors, (29), 2 states have call successors, (29) [2021-12-14 17:38:15,035 INFO L276 IsEmpty]: Start isEmpty. Operand 12081 states and 17924 transitions. [2021-12-14 17:38:15,067 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 275 [2021-12-14 17:38:15,067 INFO L506 BasicCegarLoop]: Found error trace [2021-12-14 17:38:15,067 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1] [2021-12-14 17:38:15,068 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2021-12-14 17:38:15,068 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-14 17:38:15,068 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-14 17:38:15,068 INFO L85 PathProgramCache]: Analyzing trace with hash 1914253437, now seen corresponding path program 1 times [2021-12-14 17:38:15,068 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-14 17:38:15,068 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [539874913] [2021-12-14 17:38:15,069 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-14 17:38:15,069 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-14 17:38:15,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:38:15,361 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-14 17:38:15,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:38:15,373 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2021-12-14 17:38:15,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:38:15,380 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 17:38:15,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:38:15,386 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 17:38:15,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:38:15,390 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2021-12-14 17:38:15,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:38:15,397 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2021-12-14 17:38:15,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:38:15,402 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2021-12-14 17:38:15,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:38:15,407 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2021-12-14 17:38:15,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:38:15,411 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2021-12-14 17:38:15,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:38:15,426 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2021-12-14 17:38:15,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:38:15,440 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-14 17:38:15,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:38:15,460 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 17:38:15,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:38:15,465 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-14 17:38:15,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:38:15,472 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-14 17:38:15,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:38:15,494 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2021-12-14 17:38:15,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:38:15,552 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 17:38:15,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:38:15,604 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 17:38:15,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:38:15,686 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 17:38:15,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:38:15,716 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2021-12-14 17:38:15,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:38:15,723 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 17:38:15,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:38:15,728 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 17:38:15,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:38:15,744 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2021-12-14 17:38:15,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:38:15,749 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2021-12-14 17:38:15,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:38:15,754 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 17:38:15,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:38:15,758 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2021-12-14 17:38:15,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:38:15,765 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-14 17:38:15,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:38:15,769 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 193 [2021-12-14 17:38:15,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:38:15,773 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 199 [2021-12-14 17:38:15,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:38:15,777 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 204 [2021-12-14 17:38:15,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:38:15,782 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2021-12-14 17:38:15,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:38:15,804 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2021-12-14 17:38:15,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:38:15,815 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 17:38:15,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:38:15,819 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-14 17:38:15,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:38:15,823 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-12-14 17:38:15,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:38:15,827 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 257 [2021-12-14 17:38:15,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:38:15,832 INFO L134 CoverageAnalysis]: Checked inductivity of 113 backedges. 10 proven. 9 refuted. 0 times theorem prover too weak. 94 trivial. 0 not checked. [2021-12-14 17:38:15,832 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-14 17:38:15,833 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [539874913] [2021-12-14 17:38:15,833 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [539874913] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-14 17:38:15,833 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1297528393] [2021-12-14 17:38:15,833 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-14 17:38:15,833 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-14 17:38:15,834 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-14 17:38:15,834 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-14 17:38:15,838 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2021-12-14 17:38:17,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:38:17,143 INFO L263 TraceCheckSpWp]: Trace formula consists of 6137 conjuncts, 9 conjunts are in the unsatisfiable core [2021-12-14 17:38:17,149 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-14 17:38:17,505 INFO L134 CoverageAnalysis]: Checked inductivity of 113 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 113 trivial. 0 not checked. [2021-12-14 17:38:17,505 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-14 17:38:17,505 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1297528393] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-14 17:38:17,506 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-12-14 17:38:17,506 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [16] total 19 [2021-12-14 17:38:17,506 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [34235053] [2021-12-14 17:38:17,506 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-14 17:38:17,506 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-12-14 17:38:17,506 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-14 17:38:17,507 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-12-14 17:38:17,507 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=294, Unknown=0, NotChecked=0, Total=342 [2021-12-14 17:38:17,507 INFO L87 Difference]: Start difference. First operand 12081 states and 17924 transitions. Second operand has 5 states, 5 states have (on average 29.8) internal successors, (149), 5 states have internal predecessors, (149), 2 states have call successors, (40), 2 states have call predecessors, (40), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) [2021-12-14 17:38:17,802 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-14 17:38:17,803 INFO L93 Difference]: Finished difference Result 12118 states and 17956 transitions. [2021-12-14 17:38:17,803 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-12-14 17:38:17,804 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 29.8) internal successors, (149), 5 states have internal predecessors, (149), 2 states have call successors, (40), 2 states have call predecessors, (40), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) Word has length 274 [2021-12-14 17:38:17,804 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-14 17:38:17,847 INFO L225 Difference]: With dead ends: 12118 [2021-12-14 17:38:17,847 INFO L226 Difference]: Without dead ends: 12060 [2021-12-14 17:38:17,855 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 356 GetRequests, 337 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 59 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=58, Invalid=362, Unknown=0, NotChecked=0, Total=420 [2021-12-14 17:38:17,855 INFO L933 BasicCegarLoop]: 4034 mSDtfsCounter, 10 mSDsluCounter, 12099 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10 SdHoareTripleChecker+Valid, 16133 SdHoareTripleChecker+Invalid, 14 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 13 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-12-14 17:38:17,855 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [10 Valid, 16133 Invalid, 14 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 13 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-12-14 17:38:17,864 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12060 states. [2021-12-14 17:38:18,235 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12060 to 12052. [2021-12-14 17:38:18,247 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12052 states, 8170 states have (on average 1.3363525091799267) internal successors, (10918), 8617 states have internal predecessors, (10918), 3105 states have call successors, (3105), 677 states have call predecessors, (3105), 776 states have return successors, (3854), 3013 states have call predecessors, (3854), 3102 states have call successors, (3854) [2021-12-14 17:38:18,289 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12052 states to 12052 states and 17877 transitions. [2021-12-14 17:38:18,291 INFO L78 Accepts]: Start accepts. Automaton has 12052 states and 17877 transitions. Word has length 274 [2021-12-14 17:38:18,291 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-14 17:38:18,291 INFO L470 AbstractCegarLoop]: Abstraction has 12052 states and 17877 transitions. [2021-12-14 17:38:18,292 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 29.8) internal successors, (149), 5 states have internal predecessors, (149), 2 states have call successors, (40), 2 states have call predecessors, (40), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) [2021-12-14 17:38:18,292 INFO L276 IsEmpty]: Start isEmpty. Operand 12052 states and 17877 transitions. [2021-12-14 17:38:18,315 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 281 [2021-12-14 17:38:18,315 INFO L506 BasicCegarLoop]: Found error trace [2021-12-14 17:38:18,315 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-14 17:38:18,345 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2021-12-14 17:38:18,529 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-14 17:38:18,530 INFO L402 AbstractCegarLoop]: === Iteration 13 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-14 17:38:18,530 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-14 17:38:18,530 INFO L85 PathProgramCache]: Analyzing trace with hash -293010439, now seen corresponding path program 1 times [2021-12-14 17:38:18,531 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-14 17:38:18,531 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [674408396] [2021-12-14 17:38:18,531 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-14 17:38:18,531 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-14 17:38:18,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:38:18,750 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-14 17:38:18,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:38:18,760 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2021-12-14 17:38:18,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:38:18,765 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 17:38:18,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:38:18,770 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 17:38:18,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:38:18,775 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2021-12-14 17:38:18,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:38:18,779 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2021-12-14 17:38:18,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:38:18,784 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2021-12-14 17:38:18,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:38:18,788 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2021-12-14 17:38:18,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:38:18,792 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2021-12-14 17:38:18,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:38:18,807 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2021-12-14 17:38:18,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:38:18,821 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-14 17:38:18,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:38:18,834 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 17:38:18,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:38:18,838 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-14 17:38:18,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:38:18,842 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-14 17:38:18,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:38:18,864 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2021-12-14 17:38:18,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:38:18,884 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 17:38:18,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:38:18,890 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 17:38:18,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:38:18,896 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 17:38:18,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:38:18,905 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2021-12-14 17:38:18,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:38:19,029 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 17:38:19,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:38:19,037 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 17:38:19,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:38:19,048 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2021-12-14 17:38:19,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:38:19,054 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2021-12-14 17:38:19,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:38:19,060 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 17:38:19,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:38:19,065 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 185 [2021-12-14 17:38:19,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:38:19,074 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-14 17:38:19,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:38:19,081 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 199 [2021-12-14 17:38:19,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:38:19,087 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2021-12-14 17:38:19,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:38:19,093 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2021-12-14 17:38:19,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:38:19,098 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 216 [2021-12-14 17:38:19,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:38:19,114 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 229 [2021-12-14 17:38:19,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:38:19,126 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 17:38:19,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:38:19,131 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-14 17:38:19,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:38:19,137 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-12-14 17:38:19,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:38:19,142 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 263 [2021-12-14 17:38:19,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:38:19,149 INFO L134 CoverageAnalysis]: Checked inductivity of 116 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 115 trivial. 0 not checked. [2021-12-14 17:38:19,149 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-14 17:38:19,149 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [674408396] [2021-12-14 17:38:19,149 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [674408396] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-14 17:38:19,149 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-14 17:38:19,149 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-12-14 17:38:19,151 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [101207083] [2021-12-14 17:38:19,151 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-14 17:38:19,152 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2021-12-14 17:38:19,152 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-14 17:38:19,153 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-12-14 17:38:19,153 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=44, Unknown=0, NotChecked=0, Total=72 [2021-12-14 17:38:19,153 INFO L87 Difference]: Start difference. First operand 12052 states and 17877 transitions. Second operand has 9 states, 9 states have (on average 17.11111111111111) internal successors, (154), 3 states have internal predecessors, (154), 3 states have call successors, (40), 9 states have call predecessors, (40), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31)