./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-drivers-clk1_drivers-net-can-mcp251x.cil.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 4e7fbc69 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4f2af11-4c57-4137-87e3-aa695ca6ee4d/bin/uautomizer-QkZJyEgLgS/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4f2af11-4c57-4137-87e3-aa695ca6ee4d/bin/uautomizer-QkZJyEgLgS/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4f2af11-4c57-4137-87e3-aa695ca6ee4d/bin/uautomizer-QkZJyEgLgS/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4f2af11-4c57-4137-87e3-aa695ca6ee4d/bin/uautomizer-QkZJyEgLgS/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-drivers-clk1_drivers-net-can-mcp251x.cil.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4f2af11-4c57-4137-87e3-aa695ca6ee4d/bin/uautomizer-QkZJyEgLgS/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4f2af11-4c57-4137-87e3-aa695ca6ee4d/bin/uautomizer-QkZJyEgLgS --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 4230dcd825d3a8c4f2993182656471f5db1d08c7b5deb32f72a092968196ad9c --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-4e7fbc6 [2022-11-23 04:10:46,061 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-23 04:10:46,070 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-23 04:10:46,092 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-23 04:10:46,094 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-23 04:10:46,098 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-23 04:10:46,101 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-23 04:10:46,105 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-23 04:10:46,107 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-23 04:10:46,113 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-23 04:10:46,115 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-23 04:10:46,117 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-23 04:10:46,118 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-23 04:10:46,124 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-23 04:10:46,125 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-23 04:10:46,127 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-23 04:10:46,130 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-23 04:10:46,131 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-23 04:10:46,133 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-23 04:10:46,141 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-23 04:10:46,142 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-23 04:10:46,144 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-23 04:10:46,148 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-23 04:10:46,149 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-23 04:10:46,153 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-23 04:10:46,160 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-23 04:10:46,161 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-23 04:10:46,162 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-23 04:10:46,162 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-23 04:10:46,164 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-23 04:10:46,166 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-23 04:10:46,167 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-23 04:10:46,168 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-23 04:10:46,170 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-23 04:10:46,171 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-23 04:10:46,172 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-23 04:10:46,172 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-23 04:10:46,173 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-23 04:10:46,173 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-23 04:10:46,175 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-23 04:10:46,176 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-23 04:10:46,177 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4f2af11-4c57-4137-87e3-aa695ca6ee4d/bin/uautomizer-QkZJyEgLgS/config/svcomp-Reach-64bit-Automizer_Default.epf [2022-11-23 04:10:46,216 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-23 04:10:46,216 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-23 04:10:46,217 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-23 04:10:46,217 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-23 04:10:46,218 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-23 04:10:46,219 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-23 04:10:46,219 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-23 04:10:46,220 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-23 04:10:46,220 INFO L138 SettingsManager]: * Use SBE=true [2022-11-23 04:10:46,220 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-23 04:10:46,221 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-23 04:10:46,222 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-23 04:10:46,222 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-23 04:10:46,222 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-23 04:10:46,222 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-23 04:10:46,223 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-23 04:10:46,223 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-23 04:10:46,223 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-23 04:10:46,223 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-23 04:10:46,224 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-23 04:10:46,224 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-23 04:10:46,224 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-23 04:10:46,224 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-23 04:10:46,225 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-23 04:10:46,225 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-23 04:10:46,225 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-23 04:10:46,225 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-23 04:10:46,226 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-23 04:10:46,226 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-23 04:10:46,227 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2022-11-23 04:10:46,227 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-11-23 04:10:46,227 INFO L138 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4f2af11-4c57-4137-87e3-aa695ca6ee4d/bin/uautomizer-QkZJyEgLgS/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4f2af11-4c57-4137-87e3-aa695ca6ee4d/bin/uautomizer-QkZJyEgLgS Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4230dcd825d3a8c4f2993182656471f5db1d08c7b5deb32f72a092968196ad9c [2022-11-23 04:10:46,535 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-23 04:10:46,569 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-23 04:10:46,572 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-23 04:10:46,574 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-23 04:10:46,574 INFO L275 PluginConnector]: CDTParser initialized [2022-11-23 04:10:46,575 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4f2af11-4c57-4137-87e3-aa695ca6ee4d/bin/uautomizer-QkZJyEgLgS/../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-drivers-clk1_drivers-net-can-mcp251x.cil.i [2022-11-23 04:10:49,671 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-23 04:10:50,311 INFO L351 CDTParser]: Found 1 translation units. [2022-11-23 04:10:50,312 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4f2af11-4c57-4137-87e3-aa695ca6ee4d/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-drivers-clk1_drivers-net-can-mcp251x.cil.i [2022-11-23 04:10:50,365 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4f2af11-4c57-4137-87e3-aa695ca6ee4d/bin/uautomizer-QkZJyEgLgS/data/c934803cb/f460766dfa3c43139f77a970fc12412c/FLAGc7554e879 [2022-11-23 04:10:50,388 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4f2af11-4c57-4137-87e3-aa695ca6ee4d/bin/uautomizer-QkZJyEgLgS/data/c934803cb/f460766dfa3c43139f77a970fc12412c [2022-11-23 04:10:50,394 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-23 04:10:50,395 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-23 04:10:50,400 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-23 04:10:50,400 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-23 04:10:50,404 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-23 04:10:50,405 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 04:10:50" (1/1) ... [2022-11-23 04:10:50,406 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3c57e2d0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:10:50, skipping insertion in model container [2022-11-23 04:10:50,406 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 04:10:50" (1/1) ... [2022-11-23 04:10:50,416 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-23 04:10:50,569 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-23 04:10:52,545 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4f2af11-4c57-4137-87e3-aa695ca6ee4d/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-drivers-clk1_drivers-net-can-mcp251x.cil.i[256140,256153] [2022-11-23 04:10:52,566 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-23 04:10:52,598 INFO L203 MainTranslator]: Completed pre-run [2022-11-23 04:10:52,950 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4f2af11-4c57-4137-87e3-aa695ca6ee4d/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-drivers-clk1_drivers-net-can-mcp251x.cil.i[256140,256153] [2022-11-23 04:10:52,955 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-23 04:10:53,067 INFO L208 MainTranslator]: Completed translation [2022-11-23 04:10:53,068 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:10:53 WrapperNode [2022-11-23 04:10:53,068 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-23 04:10:53,069 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-23 04:10:53,069 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-23 04:10:53,070 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-23 04:10:53,077 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:10:53" (1/1) ... [2022-11-23 04:10:53,171 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:10:53" (1/1) ... [2022-11-23 04:10:53,364 INFO L138 Inliner]: procedures = 287, calls = 1438, calls flagged for inlining = 167, calls inlined = 163, statements flattened = 3770 [2022-11-23 04:10:53,365 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-23 04:10:53,366 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-23 04:10:53,366 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-23 04:10:53,366 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-23 04:10:53,375 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:10:53" (1/1) ... [2022-11-23 04:10:53,375 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:10:53" (1/1) ... [2022-11-23 04:10:53,397 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:10:53" (1/1) ... [2022-11-23 04:10:53,398 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:10:53" (1/1) ... [2022-11-23 04:10:53,505 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:10:53" (1/1) ... [2022-11-23 04:10:53,517 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:10:53" (1/1) ... [2022-11-23 04:10:53,542 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:10:53" (1/1) ... [2022-11-23 04:10:53,622 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:10:53" (1/1) ... [2022-11-23 04:10:53,658 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-23 04:10:53,659 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-23 04:10:53,660 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-23 04:10:53,660 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-23 04:10:53,662 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:10:53" (1/1) ... [2022-11-23 04:10:53,676 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-23 04:10:53,685 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4f2af11-4c57-4137-87e3-aa695ca6ee4d/bin/uautomizer-QkZJyEgLgS/z3 [2022-11-23 04:10:53,698 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4f2af11-4c57-4137-87e3-aa695ca6ee4d/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-23 04:10:53,727 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4f2af11-4c57-4137-87e3-aa695ca6ee4d/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-23 04:10:53,745 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-11-23 04:10:53,745 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-11-23 04:10:53,745 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-11-23 04:10:53,746 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-11-23 04:10:53,746 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2022-11-23 04:10:53,746 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2022-11-23 04:10:53,746 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2022-11-23 04:10:53,746 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2022-11-23 04:10:53,746 INFO L130 BoogieDeclarations]: Found specification of procedure spi_sync [2022-11-23 04:10:53,747 INFO L138 BoogieDeclarations]: Found implementation of procedure spi_sync [2022-11-23 04:10:53,747 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-11-23 04:10:53,747 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-11-23 04:10:53,747 INFO L130 BoogieDeclarations]: Found specification of procedure mcp251x_open_clean [2022-11-23 04:10:53,747 INFO L138 BoogieDeclarations]: Found implementation of procedure mcp251x_open_clean [2022-11-23 04:10:53,816 INFO L130 BoogieDeclarations]: Found specification of procedure free_irq [2022-11-23 04:10:53,816 INFO L138 BoogieDeclarations]: Found implementation of procedure free_irq [2022-11-23 04:10:53,816 INFO L130 BoogieDeclarations]: Found specification of procedure devm_regulator_get [2022-11-23 04:10:53,816 INFO L138 BoogieDeclarations]: Found implementation of procedure devm_regulator_get [2022-11-23 04:10:53,817 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2022-11-23 04:10:53,817 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2022-11-23 04:10:53,817 INFO L130 BoogieDeclarations]: Found specification of procedure mcp251x_spi_trans [2022-11-23 04:10:53,817 INFO L138 BoogieDeclarations]: Found implementation of procedure mcp251x_spi_trans [2022-11-23 04:10:53,817 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_post_probe [2022-11-23 04:10:53,817 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_post_probe [2022-11-23 04:10:53,817 INFO L130 BoogieDeclarations]: Found specification of procedure mcp251x_read_reg [2022-11-23 04:10:53,817 INFO L138 BoogieDeclarations]: Found implementation of procedure mcp251x_read_reg [2022-11-23 04:10:53,817 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-23 04:10:53,817 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2022-11-23 04:10:53,818 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2022-11-23 04:10:53,818 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-23 04:10:53,818 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2022-11-23 04:10:53,818 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2022-11-23 04:10:53,818 INFO L130 BoogieDeclarations]: Found specification of procedure mcp251x_stop [2022-11-23 04:10:53,818 INFO L138 BoogieDeclarations]: Found implementation of procedure mcp251x_stop [2022-11-23 04:10:53,818 INFO L130 BoogieDeclarations]: Found specification of procedure mcp251x_write_bits [2022-11-23 04:10:53,818 INFO L138 BoogieDeclarations]: Found implementation of procedure mcp251x_write_bits [2022-11-23 04:10:53,818 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2022-11-23 04:10:53,818 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2022-11-23 04:10:53,819 INFO L130 BoogieDeclarations]: Found specification of procedure netif_rx_ni [2022-11-23 04:10:53,819 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_rx_ni [2022-11-23 04:10:53,819 INFO L130 BoogieDeclarations]: Found specification of procedure can_led_event [2022-11-23 04:10:53,819 INFO L138 BoogieDeclarations]: Found implementation of procedure can_led_event [2022-11-23 04:10:53,819 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-23 04:10:53,819 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-11-23 04:10:53,819 INFO L130 BoogieDeclarations]: Found specification of procedure spi_message_add_tail [2022-11-23 04:10:53,819 INFO L138 BoogieDeclarations]: Found implementation of procedure spi_message_add_tail [2022-11-23 04:10:53,819 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pre_probe [2022-11-23 04:10:53,819 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pre_probe [2022-11-23 04:10:53,819 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_nested [2022-11-23 04:10:53,820 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_nested [2022-11-23 04:10:53,820 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2022-11-23 04:10:53,820 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2022-11-23 04:10:53,820 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2022-11-23 04:10:53,820 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2022-11-23 04:10:53,820 INFO L130 BoogieDeclarations]: Found specification of procedure to_spi_device [2022-11-23 04:10:53,820 INFO L138 BoogieDeclarations]: Found implementation of procedure to_spi_device [2022-11-23 04:10:53,820 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2022-11-23 04:10:53,820 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2022-11-23 04:10:53,820 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_init_map [2022-11-23 04:10:53,821 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_init_map [2022-11-23 04:10:53,821 INFO L130 BoogieDeclarations]: Found specification of procedure close_candev [2022-11-23 04:10:53,821 INFO L138 BoogieDeclarations]: Found implementation of procedure close_candev [2022-11-23 04:10:53,821 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_irq [2022-11-23 04:10:53,821 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_irq [2022-11-23 04:10:53,821 INFO L130 BoogieDeclarations]: Found specification of procedure schedule [2022-11-23 04:10:53,821 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule [2022-11-23 04:10:53,821 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2022-11-23 04:10:53,821 INFO L130 BoogieDeclarations]: Found specification of procedure mcp251x_set_normal_mode [2022-11-23 04:10:53,821 INFO L138 BoogieDeclarations]: Found implementation of procedure mcp251x_set_normal_mode [2022-11-23 04:10:53,822 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2022-11-23 04:10:53,822 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2022-11-23 04:10:53,822 INFO L130 BoogieDeclarations]: Found specification of procedure mcp251x_can_remove [2022-11-23 04:10:53,822 INFO L138 BoogieDeclarations]: Found implementation of procedure mcp251x_can_remove [2022-11-23 04:10:53,822 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-11-23 04:10:53,822 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2022-11-23 04:10:53,822 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2022-11-23 04:10:53,822 INFO L130 BoogieDeclarations]: Found specification of procedure mcp251x_error_skb [2022-11-23 04:10:53,822 INFO L138 BoogieDeclarations]: Found implementation of procedure mcp251x_error_skb [2022-11-23 04:10:53,822 INFO L130 BoogieDeclarations]: Found specification of procedure mcp251x_hw_sleep [2022-11-23 04:10:53,822 INFO L138 BoogieDeclarations]: Found implementation of procedure mcp251x_hw_sleep [2022-11-23 04:10:53,823 INFO L130 BoogieDeclarations]: Found specification of procedure dma_free_attrs [2022-11-23 04:10:53,823 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_free_attrs [2022-11-23 04:10:53,823 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-23 04:10:53,823 INFO L130 BoogieDeclarations]: Found specification of procedure mcp251x_clean [2022-11-23 04:10:53,823 INFO L138 BoogieDeclarations]: Found implementation of procedure mcp251x_clean [2022-11-23 04:10:53,823 INFO L130 BoogieDeclarations]: Found specification of procedure regulator_disable [2022-11-23 04:10:53,823 INFO L138 BoogieDeclarations]: Found implementation of procedure regulator_disable [2022-11-23 04:10:53,823 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-11-23 04:10:53,823 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-11-23 04:10:53,823 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_drivers_clk1__more_at_exit [2022-11-23 04:10:53,824 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_drivers_clk1__more_at_exit [2022-11-23 04:10:53,824 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2022-11-23 04:10:53,824 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2022-11-23 04:10:53,827 INFO L130 BoogieDeclarations]: Found specification of procedure mcp251x_power_enable [2022-11-23 04:10:53,827 INFO L138 BoogieDeclarations]: Found implementation of procedure mcp251x_power_enable [2022-11-23 04:10:53,828 INFO L130 BoogieDeclarations]: Found specification of procedure mcp251x_can_suspend [2022-11-23 04:10:53,828 INFO L138 BoogieDeclarations]: Found implementation of procedure mcp251x_can_suspend [2022-11-23 04:10:53,828 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-23 04:10:53,828 INFO L130 BoogieDeclarations]: Found specification of procedure mcp251x_open [2022-11-23 04:10:53,828 INFO L138 BoogieDeclarations]: Found implementation of procedure mcp251x_open [2022-11-23 04:10:53,828 INFO L130 BoogieDeclarations]: Found specification of procedure mcp251x_can_probe [2022-11-23 04:10:53,828 INFO L138 BoogieDeclarations]: Found implementation of procedure mcp251x_can_probe [2022-11-23 04:10:53,829 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-11-23 04:10:53,829 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-11-23 04:10:53,829 INFO L130 BoogieDeclarations]: Found specification of procedure mcp251x_can_resume [2022-11-23 04:10:53,829 INFO L138 BoogieDeclarations]: Found implementation of procedure mcp251x_can_resume [2022-11-23 04:10:53,830 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-23 04:10:53,830 INFO L130 BoogieDeclarations]: Found specification of procedure mcp251x_hw_reset [2022-11-23 04:10:53,830 INFO L138 BoogieDeclarations]: Found implementation of procedure mcp251x_hw_reset [2022-11-23 04:10:53,830 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-23 04:10:53,830 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2022-11-23 04:10:53,830 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2022-11-23 04:10:53,831 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2022-11-23 04:10:53,831 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2022-11-23 04:10:53,831 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-23 04:10:53,831 INFO L130 BoogieDeclarations]: Found specification of procedure spi_message_init [2022-11-23 04:10:53,832 INFO L138 BoogieDeclarations]: Found implementation of procedure spi_message_init [2022-11-23 04:10:53,833 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2022-11-23 04:10:53,836 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2022-11-23 04:10:53,836 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2022-11-23 04:10:53,837 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2022-11-23 04:10:53,837 INFO L130 BoogieDeclarations]: Found specification of procedure spi_get_drvdata [2022-11-23 04:10:53,838 INFO L138 BoogieDeclarations]: Found implementation of procedure spi_get_drvdata [2022-11-23 04:10:53,839 INFO L130 BoogieDeclarations]: Found specification of procedure PTR_ERR [2022-11-23 04:10:53,840 INFO L138 BoogieDeclarations]: Found implementation of procedure PTR_ERR [2022-11-23 04:10:53,840 INFO L130 BoogieDeclarations]: Found specification of procedure mcp251x_setup [2022-11-23 04:10:53,840 INFO L138 BoogieDeclarations]: Found implementation of procedure mcp251x_setup [2022-11-23 04:10:53,845 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2022-11-23 04:10:53,845 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2022-11-23 04:10:53,846 INFO L130 BoogieDeclarations]: Found specification of procedure devm_kzalloc [2022-11-23 04:10:53,846 INFO L138 BoogieDeclarations]: Found implementation of procedure devm_kzalloc [2022-11-23 04:10:53,846 INFO L130 BoogieDeclarations]: Found specification of procedure __init_work [2022-11-23 04:10:53,846 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_work [2022-11-23 04:10:53,846 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2022-11-23 04:10:53,846 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2022-11-23 04:10:53,846 INFO L130 BoogieDeclarations]: Found specification of procedure mcp251x_hw_rx [2022-11-23 04:10:53,847 INFO L138 BoogieDeclarations]: Found implementation of procedure mcp251x_hw_rx [2022-11-23 04:10:53,847 INFO L130 BoogieDeclarations]: Found specification of procedure mcp251x_is_2510 [2022-11-23 04:10:53,847 INFO L138 BoogieDeclarations]: Found implementation of procedure mcp251x_is_2510 [2022-11-23 04:10:53,847 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-23 04:10:53,847 INFO L130 BoogieDeclarations]: Found specification of procedure free_candev [2022-11-23 04:10:53,847 INFO L138 BoogieDeclarations]: Found implementation of procedure free_candev [2022-11-23 04:10:53,847 INFO L130 BoogieDeclarations]: Found specification of procedure mcp251x_write_reg [2022-11-23 04:10:53,848 INFO L138 BoogieDeclarations]: Found implementation of procedure mcp251x_write_reg [2022-11-23 04:10:53,848 INFO L130 BoogieDeclarations]: Found specification of procedure queue_work [2022-11-23 04:10:53,848 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_work [2022-11-23 04:10:53,848 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2022-11-23 04:10:53,848 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2022-11-23 04:10:53,848 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-23 04:10:53,848 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-23 04:10:53,849 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2022-11-23 04:10:53,849 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2022-11-23 04:10:54,621 INFO L235 CfgBuilder]: Building ICFG [2022-11-23 04:10:54,625 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-23 04:10:55,282 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-11-23 04:11:53,153 INFO L276 CfgBuilder]: Performing block encoding [2022-11-23 04:11:53,169 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-23 04:11:53,169 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-23 04:11:53,173 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 04:11:53 BoogieIcfgContainer [2022-11-23 04:11:53,173 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-23 04:11:53,175 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-23 04:11:53,176 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-23 04:11:53,179 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-23 04:11:53,180 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 04:10:50" (1/3) ... [2022-11-23 04:11:53,181 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5afb9d73 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 04:11:53, skipping insertion in model container [2022-11-23 04:11:53,181 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:10:53" (2/3) ... [2022-11-23 04:11:53,181 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5afb9d73 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 04:11:53, skipping insertion in model container [2022-11-23 04:11:53,182 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 04:11:53" (3/3) ... [2022-11-23 04:11:53,183 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-3.14_linux-drivers-clk1_drivers-net-can-mcp251x.cil.i [2022-11-23 04:11:53,205 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-23 04:11:53,205 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-23 04:11:53,331 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-23 04:11:53,340 INFO L357 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, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@23bb47cd, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-23 04:11:53,341 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-23 04:11:53,352 INFO L276 IsEmpty]: Start isEmpty. Operand has 1225 states, 836 states have (on average 1.255980861244019) internal successors, (1050), 873 states have internal predecessors, (1050), 320 states have call successors, (320), 68 states have call predecessors, (320), 67 states have return successors, (313), 306 states have call predecessors, (313), 313 states have call successors, (313) [2022-11-23 04:11:53,364 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2022-11-23 04:11:53,365 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 04:11:53,366 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 04:11:53,366 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_assert_linux_drivers_clk1__more_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_drivers_clk1__more_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-23 04:11:53,374 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 04:11:53,374 INFO L85 PathProgramCache]: Analyzing trace with hash 1125553813, now seen corresponding path program 1 times [2022-11-23 04:11:53,384 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-23 04:11:53,386 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1451892057] [2022-11-23 04:11:53,387 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 04:11:53,388 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 04:11:54,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 04:11:55,420 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-11-23 04:11:55,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 04:11:55,432 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-11-23 04:11:55,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 04:11:55,443 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-11-23 04:11:55,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 04:11:55,458 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 04:11:55,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 04:11:55,466 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-11-23 04:11:55,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 04:11:55,480 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2022-11-23 04:11:55,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 04:11:55,492 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2022-11-23 04:11:55,492 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-23 04:11:55,493 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1451892057] [2022-11-23 04:11:55,494 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1451892057] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 04:11:55,494 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 04:11:55,494 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-23 04:11:55,496 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1676972207] [2022-11-23 04:11:55,497 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 04:11:55,502 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-23 04:11:55,503 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-23 04:11:55,552 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-23 04:11:55,553 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-23 04:11:55,558 INFO L87 Difference]: Start difference. First operand has 1225 states, 836 states have (on average 1.255980861244019) internal successors, (1050), 873 states have internal predecessors, (1050), 320 states have call successors, (320), 68 states have call predecessors, (320), 67 states have return successors, (313), 306 states have call predecessors, (313), 313 states have call successors, (313) Second operand has 5 states, 5 states have (on average 5.2) internal successors, (26), 4 states have internal predecessors, (26), 2 states have call successors, (8), 3 states have call predecessors, (8), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2022-11-23 04:11:56,296 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 04:11:56,297 INFO L93 Difference]: Finished difference Result 3631 states and 5096 transitions. [2022-11-23 04:11:56,298 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-23 04:11:56,300 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 5.2) internal successors, (26), 4 states have internal predecessors, (26), 2 states have call successors, (8), 3 states have call predecessors, (8), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 48 [2022-11-23 04:11:56,301 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 04:11:56,343 INFO L225 Difference]: With dead ends: 3631 [2022-11-23 04:11:56,343 INFO L226 Difference]: Without dead ends: 2403 [2022-11-23 04:11:56,360 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-11-23 04:11:56,365 INFO L413 NwaCegarLoop]: 2235 mSDtfsCounter, 1679 mSDsluCounter, 6132 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1681 SdHoareTripleChecker+Valid, 8367 SdHoareTripleChecker+Invalid, 14 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-23 04:11:56,367 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1681 Valid, 8367 Invalid, 14 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [3 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-23 04:11:56,392 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2403 states. [2022-11-23 04:11:56,586 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2403 to 2401. [2022-11-23 04:11:56,593 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2401 states, 1648 states have (on average 1.2421116504854368) internal successors, (2047), 1710 states have internal predecessors, (2047), 620 states have call successors, (620), 135 states have call predecessors, (620), 132 states have return successors, (656), 600 states have call predecessors, (656), 614 states have call successors, (656) [2022-11-23 04:11:56,617 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2401 states to 2401 states and 3323 transitions. [2022-11-23 04:11:56,620 INFO L78 Accepts]: Start accepts. Automaton has 2401 states and 3323 transitions. Word has length 48 [2022-11-23 04:11:56,620 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 04:11:56,621 INFO L495 AbstractCegarLoop]: Abstraction has 2401 states and 3323 transitions. [2022-11-23 04:11:56,621 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 5.2) internal successors, (26), 4 states have internal predecessors, (26), 2 states have call successors, (8), 3 states have call predecessors, (8), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2022-11-23 04:11:56,621 INFO L276 IsEmpty]: Start isEmpty. Operand 2401 states and 3323 transitions. [2022-11-23 04:11:56,623 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2022-11-23 04:11:56,624 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 04:11:56,624 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 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] [2022-11-23 04:11:56,624 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-23 04:11:56,625 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_assert_linux_drivers_clk1__more_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_drivers_clk1__more_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-23 04:11:56,625 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 04:11:56,625 INFO L85 PathProgramCache]: Analyzing trace with hash -1454764277, now seen corresponding path program 1 times [2022-11-23 04:11:56,626 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-23 04:11:56,626 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2140884431] [2022-11-23 04:11:56,626 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 04:11:56,626 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 04:11:56,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 04:11:57,963 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-11-23 04:11:57,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 04:11:57,976 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-11-23 04:11:57,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 04:11:57,993 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-11-23 04:11:57,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 04:11:58,007 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 04:11:58,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 04:11:58,014 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-11-23 04:11:58,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 04:11:58,032 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2022-11-23 04:11:58,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 04:11:58,042 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2022-11-23 04:11:58,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 04:11:58,052 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2022-11-23 04:11:58,052 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-23 04:11:58,052 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2140884431] [2022-11-23 04:11:58,053 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2140884431] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 04:11:58,053 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 04:11:58,053 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-23 04:11:58,053 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2033003820] [2022-11-23 04:11:58,053 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 04:11:58,055 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-23 04:11:58,055 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-23 04:11:58,055 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-23 04:11:58,056 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-23 04:11:58,056 INFO L87 Difference]: Start difference. First operand 2401 states and 3323 transitions. Second operand has 5 states, 5 states have (on average 5.8) internal successors, (29), 4 states have internal predecessors, (29), 2 states have call successors, (9), 3 states have call predecessors, (9), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2022-11-23 04:11:58,338 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 04:11:58,339 INFO L93 Difference]: Finished difference Result 2407 states and 3328 transitions. [2022-11-23 04:11:58,339 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-23 04:11:58,339 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 5.8) internal successors, (29), 4 states have internal predecessors, (29), 2 states have call successors, (9), 3 states have call predecessors, (9), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) Word has length 53 [2022-11-23 04:11:58,340 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 04:11:58,357 INFO L225 Difference]: With dead ends: 2407 [2022-11-23 04:11:58,357 INFO L226 Difference]: Without dead ends: 2374 [2022-11-23 04:11:58,360 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-11-23 04:11:58,361 INFO L413 NwaCegarLoop]: 1655 mSDtfsCounter, 1635 mSDsluCounter, 3301 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1635 SdHoareTripleChecker+Valid, 4956 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 [2022-11-23 04:11:58,362 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1635 Valid, 4956 Invalid, 8 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 6 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-23 04:11:58,366 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2374 states. [2022-11-23 04:11:58,512 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2374 to 2374. [2022-11-23 04:11:58,517 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2374 states, 1629 states have (on average 1.241866175567833) internal successors, (2023), 1689 states have internal predecessors, (2023), 614 states have call successors, (614), 132 states have call predecessors, (614), 130 states have return successors, (653), 597 states have call predecessors, (653), 611 states have call successors, (653) [2022-11-23 04:11:58,540 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2374 states to 2374 states and 3290 transitions. [2022-11-23 04:11:58,541 INFO L78 Accepts]: Start accepts. Automaton has 2374 states and 3290 transitions. Word has length 53 [2022-11-23 04:11:58,541 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 04:11:58,542 INFO L495 AbstractCegarLoop]: Abstraction has 2374 states and 3290 transitions. [2022-11-23 04:11:58,542 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 5.8) internal successors, (29), 4 states have internal predecessors, (29), 2 states have call successors, (9), 3 states have call predecessors, (9), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2022-11-23 04:11:58,542 INFO L276 IsEmpty]: Start isEmpty. Operand 2374 states and 3290 transitions. [2022-11-23 04:11:58,557 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 266 [2022-11-23 04:11:58,557 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 04:11:58,558 INFO L195 NwaCegarLoop]: trace histogram [11, 11, 11, 10, 10, 5, 5, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2022-11-23 04:11:58,558 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-23 04:11:58,559 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_assert_linux_drivers_clk1__more_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_drivers_clk1__more_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-23 04:11:58,559 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 04:11:58,559 INFO L85 PathProgramCache]: Analyzing trace with hash -1527292588, now seen corresponding path program 1 times [2022-11-23 04:11:58,559 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-23 04:11:58,560 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [817503360] [2022-11-23 04:11:58,560 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 04:11:58,560 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 04:11:58,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 04:11:59,892 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-11-23 04:11:59,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 04:11:59,899 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-11-23 04:11:59,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 04:11:59,905 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-11-23 04:11:59,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 04:11:59,912 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 04:11:59,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 04:11:59,918 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-11-23 04:11:59,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 04:11:59,925 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2022-11-23 04:11:59,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 04:11:59,931 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2022-11-23 04:11:59,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 04:11:59,965 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2022-11-23 04:11:59,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 04:11:59,983 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 04:11:59,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 04:11:59,992 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-23 04:11:59,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 04:12:00,000 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-23 04:12:00,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 04:12:00,007 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2022-11-23 04:12:00,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 04:12:00,014 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2022-11-23 04:12:00,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 04:12:00,030 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 04:12:00,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 04:12:00,037 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-23 04:12:00,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 04:12:00,044 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-23 04:12:00,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 04:12:00,051 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2022-11-23 04:12:00,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 04:12:00,059 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2022-11-23 04:12:00,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 04:12:00,073 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 04:12:00,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 04:12:00,079 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-23 04:12:00,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 04:12:00,088 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-23 04:12:00,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 04:12:00,099 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2022-11-23 04:12:00,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 04:12:00,175 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2022-11-23 04:12:00,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 04:12:00,403 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-23 04:12:00,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 04:12:00,722 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-23 04:12:00,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 04:12:00,730 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 04:12:00,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 04:12:00,736 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2022-11-23 04:12:00,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 04:12:00,744 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 04:12:00,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 04:12:00,751 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2022-11-23 04:12:00,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 04:12:00,761 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 04:12:00,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 04:12:00,768 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2022-11-23 04:12:00,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 04:12:00,776 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 04:12:00,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 04:12:00,782 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2022-11-23 04:12:00,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 04:12:00,788 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2022-11-23 04:12:00,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 04:12:00,795 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 211 [2022-11-23 04:12:00,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 04:12:00,804 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 04:12:00,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 04:12:00,814 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 04:12:00,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 04:12:00,862 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2022-11-23 04:12:00,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 04:12:00,869 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 231 [2022-11-23 04:12:00,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 04:12:00,876 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 237 [2022-11-23 04:12:00,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 04:12:00,883 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 242 [2022-11-23 04:12:00,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 04:12:00,891 INFO L134 CoverageAnalysis]: Checked inductivity of 428 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 425 trivial. 0 not checked. [2022-11-23 04:12:00,892 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-23 04:12:00,892 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [817503360] [2022-11-23 04:12:00,892 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [817503360] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 04:12:00,892 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 04:12:00,892 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-11-23 04:12:00,893 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [314703681] [2022-11-23 04:12:00,893 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 04:12:00,894 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-11-23 04:12:00,894 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-23 04:12:00,894 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-11-23 04:12:00,895 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=67, Unknown=0, NotChecked=0, Total=90 [2022-11-23 04:12:00,895 INFO L87 Difference]: Start difference. First operand 2374 states and 3290 transitions. Second operand has 10 states, 10 states have (on average 10.7) internal successors, (107), 6 states have internal predecessors, (107), 2 states have call successors, (34), 6 states have call predecessors, (34), 2 states have return successors, (32), 2 states have call predecessors, (32), 2 states have call successors, (32) [2022-11-23 04:12:02,981 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.08s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 04:12:14,461 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.04s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 04:12:21,575 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 04:12:21,576 INFO L93 Difference]: Finished difference Result 5080 states and 7249 transitions. [2022-11-23 04:12:21,576 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-11-23 04:12:21,577 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 10.7) internal successors, (107), 6 states have internal predecessors, (107), 2 states have call successors, (34), 6 states have call predecessors, (34), 2 states have return successors, (32), 2 states have call predecessors, (32), 2 states have call successors, (32) Word has length 265 [2022-11-23 04:12:21,578 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 04:12:21,601 INFO L225 Difference]: With dead ends: 5080 [2022-11-23 04:12:21,601 INFO L226 Difference]: Without dead ends: 2723 [2022-11-23 04:12:21,615 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 93 GetRequests, 82 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 22 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=41, Invalid=115, Unknown=0, NotChecked=0, Total=156 [2022-11-23 04:12:21,616 INFO L413 NwaCegarLoop]: 1467 mSDtfsCounter, 1599 mSDsluCounter, 5448 mSDsCounter, 0 mSdLazyCounter, 2884 mSolverCounterSat, 1287 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 18.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1690 SdHoareTripleChecker+Valid, 6915 SdHoareTripleChecker+Invalid, 4172 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1287 IncrementalHoareTripleChecker+Valid, 2884 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 20.0s IncrementalHoareTripleChecker+Time [2022-11-23 04:12:21,617 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1690 Valid, 6915 Invalid, 4172 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1287 Valid, 2884 Invalid, 1 Unknown, 0 Unchecked, 20.0s Time] [2022-11-23 04:12:21,621 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2723 states. [2022-11-23 04:12:21,785 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2723 to 2575. [2022-11-23 04:12:21,791 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2575 states, 1781 states have (on average 1.2470522178551375) internal successors, (2221), 1847 states have internal predecessors, (2221), 657 states have call successors, (657), 132 states have call predecessors, (657), 136 states have return successors, (752), 642 states have call predecessors, (752), 654 states have call successors, (752) [2022-11-23 04:12:21,806 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2575 states to 2575 states and 3630 transitions. [2022-11-23 04:12:21,807 INFO L78 Accepts]: Start accepts. Automaton has 2575 states and 3630 transitions. Word has length 265 [2022-11-23 04:12:21,808 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 04:12:21,808 INFO L495 AbstractCegarLoop]: Abstraction has 2575 states and 3630 transitions. [2022-11-23 04:12:21,809 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 10.7) internal successors, (107), 6 states have internal predecessors, (107), 2 states have call successors, (34), 6 states have call predecessors, (34), 2 states have return successors, (32), 2 states have call predecessors, (32), 2 states have call successors, (32) [2022-11-23 04:12:21,809 INFO L276 IsEmpty]: Start isEmpty. Operand 2575 states and 3630 transitions. [2022-11-23 04:12:21,819 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 357 [2022-11-23 04:12:21,820 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 04:12:21,820 INFO L195 NwaCegarLoop]: trace histogram [13, 13, 13, 13, 13, 7, 7, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 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] [2022-11-23 04:12:21,820 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-23 04:12:21,821 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_assert_linux_drivers_clk1__more_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_drivers_clk1__more_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-23 04:12:21,821 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 04:12:21,821 INFO L85 PathProgramCache]: Analyzing trace with hash 715619980, now seen corresponding path program 1 times [2022-11-23 04:12:21,822 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-23 04:12:21,822 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1178011978] [2022-11-23 04:12:21,822 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 04:12:21,822 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 04:12:22,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 04:12:24,580 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-11-23 04:12:24,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 04:12:24,588 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-11-23 04:12:24,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 04:12:24,595 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-11-23 04:12:24,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 04:12:24,603 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 04:12:24,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 04:12:24,609 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-11-23 04:12:24,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 04:12:24,617 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2022-11-23 04:12:24,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 04:12:24,624 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2022-11-23 04:12:24,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 04:12:24,665 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2022-11-23 04:12:24,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 04:12:24,681 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 04:12:24,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 04:12:24,689 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-23 04:12:24,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 04:12:24,697 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-23 04:12:24,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 04:12:24,704 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2022-11-23 04:12:24,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 04:12:24,711 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2022-11-23 04:12:24,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 04:12:24,725 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 04:12:24,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 04:12:24,733 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-23 04:12:24,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 04:12:24,740 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-23 04:12:24,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 04:12:24,747 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2022-11-23 04:12:24,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 04:12:24,754 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2022-11-23 04:12:24,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 04:12:24,768 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 04:12:24,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 04:12:24,775 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-23 04:12:24,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 04:12:24,784 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-23 04:12:24,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 04:12:24,792 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2022-11-23 04:12:24,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 04:12:24,799 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2022-11-23 04:12:24,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 04:12:24,808 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 04:12:24,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 04:12:24,818 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 04:12:24,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 04:12:24,845 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2022-11-23 04:12:24,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 04:12:24,856 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2022-11-23 04:12:24,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 04:12:24,864 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2022-11-23 04:12:24,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 04:12:24,872 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2022-11-23 04:12:24,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 04:12:24,884 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2022-11-23 04:12:24,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 04:12:24,898 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 04:12:24,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 04:12:24,905 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-23 04:12:24,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 04:12:24,912 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-23 04:12:24,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 04:12:25,002 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2022-11-23 04:12:25,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 04:12:25,561 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-23 04:12:25,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 04:12:26,267 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-23 04:12:26,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 04:12:26,278 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 04:12:26,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 04:12:26,285 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2022-11-23 04:12:26,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 04:12:26,294 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 04:12:26,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 04:12:26,302 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2022-11-23 04:12:26,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 04:12:26,462 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 04:12:26,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 04:12:26,470 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2022-11-23 04:12:26,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 04:12:26,480 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 04:12:26,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 04:12:26,488 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2022-11-23 04:12:26,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 04:12:26,495 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2022-11-23 04:12:26,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 04:12:26,504 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2022-11-23 04:12:26,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 04:12:26,515 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 04:12:26,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 04:12:26,522 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 04:12:26,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 04:12:26,529 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2022-11-23 04:12:26,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 04:12:26,539 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 04:12:26,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 04:12:26,546 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 04:12:26,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 04:12:26,552 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-11-23 04:12:26,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 04:12:26,561 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2022-11-23 04:12:26,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 04:12:26,571 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 04:12:26,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 04:12:26,577 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2022-11-23 04:12:26,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 04:12:26,584 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 328 [2022-11-23 04:12:26,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 04:12:26,592 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 333 [2022-11-23 04:12:26,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 04:12:26,603 INFO L134 CoverageAnalysis]: Checked inductivity of 724 backedges. 5 proven. 4 refuted. 0 times theorem prover too weak. 715 trivial. 0 not checked. [2022-11-23 04:12:26,604 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-23 04:12:26,604 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1178011978] [2022-11-23 04:12:26,604 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1178011978] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-23 04:12:26,604 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1398631155] [2022-11-23 04:12:26,605 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 04:12:26,605 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-23 04:12:26,605 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4f2af11-4c57-4137-87e3-aa695ca6ee4d/bin/uautomizer-QkZJyEgLgS/z3 [2022-11-23 04:12:26,612 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4f2af11-4c57-4137-87e3-aa695ca6ee4d/bin/uautomizer-QkZJyEgLgS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-23 04:12:26,624 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4f2af11-4c57-4137-87e3-aa695ca6ee4d/bin/uautomizer-QkZJyEgLgS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-11-23 04:12:28,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 04:12:28,576 INFO L263 TraceCheckSpWp]: Trace formula consists of 4189 conjuncts, 10 conjunts are in the unsatisfiable core [2022-11-23 04:12:28,596 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-23 04:12:29,438 INFO L134 CoverageAnalysis]: Checked inductivity of 724 backedges. 334 proven. 0 refuted. 0 times theorem prover too weak. 390 trivial. 0 not checked. [2022-11-23 04:12:29,439 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-23 04:12:29,440 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1398631155] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 04:12:29,440 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-23 04:12:29,440 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [10] total 17 [2022-11-23 04:12:29,441 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1916164604] [2022-11-23 04:12:29,441 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 04:12:29,443 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-11-23 04:12:29,443 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-23 04:12:29,443 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-11-23 04:12:29,444 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=235, Unknown=0, NotChecked=0, Total=272 [2022-11-23 04:12:29,445 INFO L87 Difference]: Start difference. First operand 2575 states and 3630 transitions. Second operand has 9 states, 7 states have (on average 21.0) internal successors, (147), 9 states have internal predecessors, (147), 5 states have call successors, (47), 2 states have call predecessors, (47), 5 states have return successors, (45), 5 states have call predecessors, (45), 5 states have call successors, (45) [2022-11-23 04:12:31,164 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 04:12:31,164 INFO L93 Difference]: Finished difference Result 4977 states and 6994 transitions. [2022-11-23 04:12:31,165 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-23 04:12:31,165 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 7 states have (on average 21.0) internal successors, (147), 9 states have internal predecessors, (147), 5 states have call successors, (47), 2 states have call predecessors, (47), 5 states have return successors, (45), 5 states have call predecessors, (45), 5 states have call successors, (45) Word has length 356 [2022-11-23 04:12:31,166 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 04:12:31,189 INFO L225 Difference]: With dead ends: 4977 [2022-11-23 04:12:31,189 INFO L226 Difference]: Without dead ends: 2611 [2022-11-23 04:12:31,204 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 481 GetRequests, 463 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 57 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=49, Invalid=331, Unknown=0, NotChecked=0, Total=380 [2022-11-23 04:12:31,206 INFO L413 NwaCegarLoop]: 1640 mSDtfsCounter, 23 mSDsluCounter, 11370 mSDsCounter, 0 mSdLazyCounter, 310 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 26 SdHoareTripleChecker+Valid, 13010 SdHoareTripleChecker+Invalid, 311 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 310 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2022-11-23 04:12:31,206 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [26 Valid, 13010 Invalid, 311 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 310 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2022-11-23 04:12:31,211 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2611 states. [2022-11-23 04:12:31,449 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2611 to 2591. [2022-11-23 04:12:31,455 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2591 states, 1791 states have (on average 1.2462311557788945) internal successors, (2232), 1855 states have internal predecessors, (2232), 663 states have call successors, (663), 132 states have call predecessors, (663), 136 states have return successors, (758), 648 states have call predecessors, (758), 660 states have call successors, (758) [2022-11-23 04:12:31,469 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2591 states to 2591 states and 3653 transitions. [2022-11-23 04:12:31,470 INFO L78 Accepts]: Start accepts. Automaton has 2591 states and 3653 transitions. Word has length 356 [2022-11-23 04:12:31,472 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 04:12:31,472 INFO L495 AbstractCegarLoop]: Abstraction has 2591 states and 3653 transitions. [2022-11-23 04:12:31,473 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 7 states have (on average 21.0) internal successors, (147), 9 states have internal predecessors, (147), 5 states have call successors, (47), 2 states have call predecessors, (47), 5 states have return successors, (45), 5 states have call predecessors, (45), 5 states have call successors, (45) [2022-11-23 04:12:31,473 INFO L276 IsEmpty]: Start isEmpty. Operand 2591 states and 3653 transitions. [2022-11-23 04:12:31,486 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 398 [2022-11-23 04:12:31,486 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 04:12:31,486 INFO L195 NwaCegarLoop]: trace histogram [14, 14, 13, 13, 13, 8, 8, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 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, 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] [2022-11-23 04:12:31,510 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4f2af11-4c57-4137-87e3-aa695ca6ee4d/bin/uautomizer-QkZJyEgLgS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-11-23 04:12:31,700 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4f2af11-4c57-4137-87e3-aa695ca6ee4d/bin/uautomizer-QkZJyEgLgS/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-23 04:12:31,701 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_assert_linux_drivers_clk1__more_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_drivers_clk1__more_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-23 04:12:31,701 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 04:12:31,701 INFO L85 PathProgramCache]: Analyzing trace with hash 788096045, now seen corresponding path program 1 times [2022-11-23 04:12:31,701 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-23 04:12:31,702 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1028891318] [2022-11-23 04:12:31,702 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 04:12:31,702 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 04:12:32,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 04:12:34,176 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-11-23 04:12:34,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 04:12:34,185 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-11-23 04:12:34,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 04:12:34,190 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-11-23 04:12:34,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 04:12:34,196 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 04:12:34,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 04:12:34,201 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-11-23 04:12:34,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 04:12:34,207 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2022-11-23 04:12:34,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 04:12:34,216 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2022-11-23 04:12:34,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 04:12:34,253 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2022-11-23 04:12:34,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 04:12:34,265 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 04:12:34,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 04:12:34,273 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-23 04:12:34,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 04:12:34,279 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-23 04:12:34,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 04:12:34,286 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2022-11-23 04:12:34,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 04:12:34,294 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2022-11-23 04:12:34,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 04:12:34,306 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 04:12:34,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 04:12:34,313 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-23 04:12:34,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 04:12:34,318 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-23 04:12:34,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 04:12:34,324 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2022-11-23 04:12:34,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 04:12:34,330 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2022-11-23 04:12:34,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 04:12:34,341 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 04:12:34,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 04:12:34,347 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-23 04:12:34,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 04:12:34,352 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-23 04:12:34,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 04:12:34,357 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2022-11-23 04:12:34,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 04:12:34,453 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2022-11-23 04:12:34,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 04:12:34,555 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-23 04:12:34,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 04:12:34,578 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-23 04:12:34,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 04:12:34,586 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 04:12:34,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 04:12:34,591 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2022-11-23 04:12:34,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 04:12:34,598 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 04:12:34,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 04:12:34,663 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2022-11-23 04:12:34,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 04:12:34,674 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 04:12:34,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 04:12:34,679 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 04:12:34,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 04:12:34,704 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 188 [2022-11-23 04:12:34,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 04:12:34,710 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2022-11-23 04:12:34,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 04:12:34,716 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2022-11-23 04:12:34,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 04:12:34,721 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 203 [2022-11-23 04:12:34,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 04:12:34,726 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 209 [2022-11-23 04:12:34,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 04:12:34,738 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 04:12:34,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 04:12:34,744 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-23 04:12:34,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 04:12:34,749 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-23 04:12:34,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 04:12:34,754 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 231 [2022-11-23 04:12:34,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 04:12:35,123 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-23 04:12:35,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 04:12:35,696 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-23 04:12:35,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 04:12:35,704 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 04:12:35,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 04:12:35,708 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2022-11-23 04:12:35,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 04:12:35,719 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 04:12:35,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 04:12:35,725 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2022-11-23 04:12:35,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 04:12:35,871 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 04:12:35,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 04:12:35,876 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2022-11-23 04:12:35,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 04:12:35,883 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 04:12:35,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 04:12:35,889 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2022-11-23 04:12:35,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 04:12:35,894 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2022-11-23 04:12:35,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 04:12:35,900 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2022-11-23 04:12:35,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 04:12:35,908 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 04:12:35,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 04:12:35,914 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 04:12:35,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 04:12:35,925 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2022-11-23 04:12:35,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 04:12:35,932 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 04:12:35,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 04:12:35,939 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 04:12:35,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 04:12:35,944 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-11-23 04:12:35,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 04:12:35,951 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2022-11-23 04:12:35,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 04:12:35,958 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 04:12:35,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 04:12:35,963 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2022-11-23 04:12:35,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 04:12:35,968 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 369 [2022-11-23 04:12:35,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 04:12:35,974 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 374 [2022-11-23 04:12:35,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 04:12:35,981 INFO L134 CoverageAnalysis]: Checked inductivity of 844 backedges. 13 proven. 4 refuted. 0 times theorem prover too weak. 827 trivial. 0 not checked. [2022-11-23 04:12:35,981 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-23 04:12:35,982 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1028891318] [2022-11-23 04:12:35,982 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1028891318] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-23 04:12:35,982 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2056206179] [2022-11-23 04:12:35,982 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 04:12:35,982 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-23 04:12:35,983 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4f2af11-4c57-4137-87e3-aa695ca6ee4d/bin/uautomizer-QkZJyEgLgS/z3 [2022-11-23 04:12:35,985 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4f2af11-4c57-4137-87e3-aa695ca6ee4d/bin/uautomizer-QkZJyEgLgS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-23 04:12:36,008 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4f2af11-4c57-4137-87e3-aa695ca6ee4d/bin/uautomizer-QkZJyEgLgS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-11-23 04:12:37,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 04:12:37,964 INFO L263 TraceCheckSpWp]: Trace formula consists of 4464 conjuncts, 23 conjunts are in the unsatisfiable core [2022-11-23 04:12:37,980 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-23 04:12:39,772 INFO L134 CoverageAnalysis]: Checked inductivity of 844 backedges. 407 proven. 0 refuted. 0 times theorem prover too weak. 437 trivial. 0 not checked. [2022-11-23 04:12:39,773 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-23 04:12:39,773 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2056206179] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 04:12:39,773 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-23 04:12:39,773 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [10] total 25 [2022-11-23 04:12:39,774 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1505890152] [2022-11-23 04:12:39,774 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 04:12:39,775 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2022-11-23 04:12:39,775 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-23 04:12:39,775 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2022-11-23 04:12:39,776 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=53, Invalid=547, Unknown=0, NotChecked=0, Total=600 [2022-11-23 04:12:39,776 INFO L87 Difference]: Start difference. First operand 2591 states and 3653 transitions. Second operand has 17 states, 16 states have (on average 10.875) internal successors, (174), 13 states have internal predecessors, (174), 5 states have call successors, (53), 2 states have call predecessors, (53), 7 states have return successors, (51), 8 states have call predecessors, (51), 5 states have call successors, (51) [2022-11-23 04:12:43,947 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 04:12:43,947 INFO L93 Difference]: Finished difference Result 5047 states and 7128 transitions. [2022-11-23 04:12:43,948 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2022-11-23 04:12:43,948 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 16 states have (on average 10.875) internal successors, (174), 13 states have internal predecessors, (174), 5 states have call successors, (53), 2 states have call predecessors, (53), 7 states have return successors, (51), 8 states have call predecessors, (51), 5 states have call successors, (51) Word has length 397 [2022-11-23 04:12:43,949 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 04:12:43,974 INFO L225 Difference]: With dead ends: 5047 [2022-11-23 04:12:43,975 INFO L226 Difference]: Without dead ends: 2665 [2022-11-23 04:12:43,988 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 540 GetRequests, 509 SyntacticMatches, 0 SemanticMatches, 31 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 123 ImplicationChecksByTransitivity, 2.7s TimeCoverageRelationStatistics Valid=87, Invalid=969, Unknown=0, NotChecked=0, Total=1056 [2022-11-23 04:12:43,995 INFO L413 NwaCegarLoop]: 1680 mSDtfsCounter, 56 mSDsluCounter, 24942 mSDsCounter, 0 mSdLazyCounter, 830 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 58 SdHoareTripleChecker+Valid, 26622 SdHoareTripleChecker+Invalid, 843 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 830 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.1s IncrementalHoareTripleChecker+Time [2022-11-23 04:12:43,996 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [58 Valid, 26622 Invalid, 843 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [13 Valid, 830 Invalid, 0 Unknown, 0 Unchecked, 3.1s Time] [2022-11-23 04:12:44,001 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2665 states. [2022-11-23 04:12:44,276 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2665 to 2637. [2022-11-23 04:12:44,282 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2637 states, 1819 states have (on average 1.2440901594282572) internal successors, (2263), 1883 states have internal predecessors, (2263), 677 states have call successors, (677), 132 states have call predecessors, (677), 140 states have return successors, (814), 666 states have call predecessors, (814), 674 states have call successors, (814) [2022-11-23 04:12:44,295 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2637 states to 2637 states and 3754 transitions. [2022-11-23 04:12:44,296 INFO L78 Accepts]: Start accepts. Automaton has 2637 states and 3754 transitions. Word has length 397 [2022-11-23 04:12:44,297 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 04:12:44,297 INFO L495 AbstractCegarLoop]: Abstraction has 2637 states and 3754 transitions. [2022-11-23 04:12:44,298 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 16 states have (on average 10.875) internal successors, (174), 13 states have internal predecessors, (174), 5 states have call successors, (53), 2 states have call predecessors, (53), 7 states have return successors, (51), 8 states have call predecessors, (51), 5 states have call successors, (51) [2022-11-23 04:12:44,298 INFO L276 IsEmpty]: Start isEmpty. Operand 2637 states and 3754 transitions. [2022-11-23 04:12:44,309 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 403 [2022-11-23 04:12:44,310 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 04:12:44,310 INFO L195 NwaCegarLoop]: trace histogram [14, 14, 13, 13, 13, 8, 8, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 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, 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] [2022-11-23 04:12:44,338 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4f2af11-4c57-4137-87e3-aa695ca6ee4d/bin/uautomizer-QkZJyEgLgS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-11-23 04:12:44,528 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4f2af11-4c57-4137-87e3-aa695ca6ee4d/bin/uautomizer-QkZJyEgLgS/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-23 04:12:44,528 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_assert_linux_drivers_clk1__more_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_drivers_clk1__more_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-23 04:12:44,529 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 04:12:44,529 INFO L85 PathProgramCache]: Analyzing trace with hash 358858082, now seen corresponding path program 1 times [2022-11-23 04:12:44,529 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-23 04:12:44,529 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1026156830] [2022-11-23 04:12:44,529 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 04:12:44,529 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 04:12:44,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 04:12:46,784 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-11-23 04:12:46,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 04:12:46,791 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-11-23 04:12:46,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 04:12:46,797 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-11-23 04:12:46,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 04:12:46,803 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 04:12:46,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 04:12:46,809 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-11-23 04:12:46,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 04:12:46,814 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2022-11-23 04:12:46,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 04:12:46,820 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2022-11-23 04:12:46,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 04:12:46,857 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2022-11-23 04:12:46,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 04:12:46,868 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 04:12:46,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 04:12:46,873 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-23 04:12:46,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 04:12:46,879 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-23 04:12:46,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 04:12:46,884 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2022-11-23 04:12:46,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 04:12:46,890 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2022-11-23 04:12:46,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 04:12:46,901 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 04:12:46,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 04:12:46,906 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-23 04:12:46,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 04:12:46,912 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-23 04:12:46,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 04:12:46,917 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2022-11-23 04:12:46,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 04:12:46,923 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2022-11-23 04:12:46,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 04:12:46,933 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 04:12:46,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 04:12:46,939 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-23 04:12:46,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 04:12:46,945 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-23 04:12:46,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 04:12:46,950 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2022-11-23 04:12:46,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 04:12:47,042 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2022-11-23 04:12:47,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 04:12:47,148 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-23 04:12:47,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 04:12:47,167 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-23 04:12:47,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 04:12:47,174 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 04:12:47,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 04:12:47,318 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2022-11-23 04:12:47,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 04:12:47,326 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 04:12:47,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 04:12:47,333 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2022-11-23 04:12:47,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 04:12:47,342 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2022-11-23 04:12:47,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 04:12:47,350 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 04:12:47,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 04:12:47,357 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 04:12:47,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 04:12:47,384 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 193 [2022-11-23 04:12:47,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 04:12:47,391 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2022-11-23 04:12:47,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 04:12:47,398 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 203 [2022-11-23 04:12:47,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 04:12:47,405 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2022-11-23 04:12:47,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 04:12:47,411 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2022-11-23 04:12:47,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 04:12:47,423 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 04:12:47,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 04:12:47,430 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-23 04:12:47,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 04:12:47,437 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-23 04:12:47,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 04:12:47,444 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 236 [2022-11-23 04:12:47,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 04:12:47,906 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-23 04:12:47,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 04:12:48,604 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-23 04:12:48,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 04:12:48,612 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 04:12:48,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 04:12:48,619 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2022-11-23 04:12:48,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 04:12:48,627 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 04:12:48,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 04:12:48,634 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2022-11-23 04:12:48,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 04:12:48,780 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 04:12:48,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 04:12:48,785 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2022-11-23 04:12:48,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 04:12:48,792 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 04:12:48,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 04:12:48,797 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2022-11-23 04:12:48,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 04:12:48,803 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2022-11-23 04:12:48,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 04:12:48,815 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2022-11-23 04:12:48,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 04:12:48,824 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 04:12:48,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 04:12:48,831 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 04:12:48,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 04:12:48,836 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2022-11-23 04:12:48,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 04:12:48,843 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 04:12:48,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 04:12:48,849 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 04:12:48,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 04:12:48,854 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-11-23 04:12:48,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 04:12:48,861 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2022-11-23 04:12:48,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 04:12:48,869 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 04:12:48,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 04:12:48,874 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2022-11-23 04:12:48,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 04:12:48,880 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 374 [2022-11-23 04:12:48,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 04:12:48,888 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 379 [2022-11-23 04:12:48,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 04:12:48,899 INFO L134 CoverageAnalysis]: Checked inductivity of 847 backedges. 13 proven. 4 refuted. 0 times theorem prover too weak. 830 trivial. 0 not checked. [2022-11-23 04:12:48,899 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-23 04:12:48,899 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1026156830] [2022-11-23 04:12:48,899 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1026156830] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-23 04:12:48,900 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1283689579] [2022-11-23 04:12:48,900 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 04:12:48,900 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-23 04:12:48,900 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4f2af11-4c57-4137-87e3-aa695ca6ee4d/bin/uautomizer-QkZJyEgLgS/z3 [2022-11-23 04:12:48,901 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4f2af11-4c57-4137-87e3-aa695ca6ee4d/bin/uautomizer-QkZJyEgLgS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-23 04:12:48,920 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4f2af11-4c57-4137-87e3-aa695ca6ee4d/bin/uautomizer-QkZJyEgLgS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-11-23 04:12:50,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 04:12:50,972 INFO L263 TraceCheckSpWp]: Trace formula consists of 4495 conjuncts, 50 conjunts are in the unsatisfiable core [2022-11-23 04:12:50,982 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-23 04:12:52,268 INFO L134 CoverageAnalysis]: Checked inductivity of 847 backedges. 200 proven. 3 refuted. 0 times theorem prover too weak. 644 trivial. 0 not checked. [2022-11-23 04:12:52,268 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-23 04:12:53,637 INFO L134 CoverageAnalysis]: Checked inductivity of 847 backedges. 3 proven. 67 refuted. 0 times theorem prover too weak. 777 trivial. 0 not checked. [2022-11-23 04:12:53,638 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1283689579] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-23 04:12:53,638 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-23 04:12:53,638 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 15, 15] total 26 [2022-11-23 04:12:53,639 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1169437303] [2022-11-23 04:12:53,639 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-23 04:12:53,641 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 26 states [2022-11-23 04:12:53,641 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-23 04:12:53,641 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2022-11-23 04:12:53,642 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=59, Invalid=591, Unknown=0, NotChecked=0, Total=650 [2022-11-23 04:12:53,642 INFO L87 Difference]: Start difference. First operand 2637 states and 3754 transitions. Second operand has 26 states, 25 states have (on average 10.52) internal successors, (263), 19 states have internal predecessors, (263), 6 states have call successors, (114), 6 states have call predecessors, (114), 6 states have return successors, (111), 8 states have call predecessors, (111), 6 states have call successors, (111) [2022-11-23 04:12:55,718 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.07s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 04:13:24,348 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.36s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 04:13:35,147 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.20s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 04:13:49,305 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 04:13:49,305 INFO L93 Difference]: Finished difference Result 5376 states and 7826 transitions. [2022-11-23 04:13:49,306 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2022-11-23 04:13:49,306 INFO L78 Accepts]: Start accepts. Automaton has has 26 states, 25 states have (on average 10.52) internal successors, (263), 19 states have internal predecessors, (263), 6 states have call successors, (114), 6 states have call predecessors, (114), 6 states have return successors, (111), 8 states have call predecessors, (111), 6 states have call successors, (111) Word has length 402 [2022-11-23 04:13:49,307 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 04:13:49,333 INFO L225 Difference]: With dead ends: 5376 [2022-11-23 04:13:49,333 INFO L226 Difference]: Without dead ends: 2743 [2022-11-23 04:13:49,353 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 953 GetRequests, 916 SyntacticMatches, 0 SemanticMatches, 37 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 159 ImplicationChecksByTransitivity, 3.6s TimeCoverageRelationStatistics Valid=178, Invalid=1304, Unknown=0, NotChecked=0, Total=1482 [2022-11-23 04:13:49,354 INFO L413 NwaCegarLoop]: 1284 mSDtfsCounter, 606 mSDsluCounter, 21048 mSDsCounter, 0 mSdLazyCounter, 10343 mSolverCounterSat, 706 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 51.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 657 SdHoareTripleChecker+Valid, 22332 SdHoareTripleChecker+Invalid, 11050 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 706 IncrementalHoareTripleChecker+Valid, 10343 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 53.4s IncrementalHoareTripleChecker+Time [2022-11-23 04:13:49,354 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [657 Valid, 22332 Invalid, 11050 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [706 Valid, 10343 Invalid, 1 Unknown, 0 Unchecked, 53.4s Time] [2022-11-23 04:13:49,359 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2743 states. [2022-11-23 04:13:49,537 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2743 to 2645. [2022-11-23 04:13:49,554 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2645 states, 1826 states have (on average 1.242606790799562) internal successors, (2269), 1890 states have internal predecessors, (2269), 676 states have call successors, (676), 132 states have call predecessors, (676), 142 states have return successors, (828), 667 states have call predecessors, (828), 673 states have call successors, (828) [2022-11-23 04:13:49,578 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2645 states to 2645 states and 3773 transitions. [2022-11-23 04:13:49,580 INFO L78 Accepts]: Start accepts. Automaton has 2645 states and 3773 transitions. Word has length 402 [2022-11-23 04:13:49,580 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 04:13:49,580 INFO L495 AbstractCegarLoop]: Abstraction has 2645 states and 3773 transitions. [2022-11-23 04:13:49,581 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 26 states, 25 states have (on average 10.52) internal successors, (263), 19 states have internal predecessors, (263), 6 states have call successors, (114), 6 states have call predecessors, (114), 6 states have return successors, (111), 8 states have call predecessors, (111), 6 states have call successors, (111) [2022-11-23 04:13:49,582 INFO L276 IsEmpty]: Start isEmpty. Operand 2645 states and 3773 transitions. [2022-11-23 04:13:49,596 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 395 [2022-11-23 04:13:49,596 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 04:13:49,596 INFO L195 NwaCegarLoop]: trace histogram [17, 17, 17, 13, 13, 9, 9, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 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] [2022-11-23 04:13:49,624 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4f2af11-4c57-4137-87e3-aa695ca6ee4d/bin/uautomizer-QkZJyEgLgS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2022-11-23 04:13:49,817 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4f2af11-4c57-4137-87e3-aa695ca6ee4d/bin/uautomizer-QkZJyEgLgS/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5 [2022-11-23 04:13:49,818 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_assert_linux_drivers_clk1__more_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_drivers_clk1__more_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-23 04:13:49,818 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 04:13:49,818 INFO L85 PathProgramCache]: Analyzing trace with hash 1773188764, now seen corresponding path program 1 times [2022-11-23 04:13:49,819 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-23 04:13:49,819 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [508575291] [2022-11-23 04:13:49,819 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 04:13:49,819 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 04:13:50,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 04:13:52,181 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-11-23 04:13:52,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 04:13:52,187 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-11-23 04:13:52,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 04:13:52,228 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-11-23 04:13:52,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 04:13:52,239 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 04:13:52,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 04:13:52,253 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-23 04:13:52,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 04:13:52,259 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-23 04:13:52,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 04:13:52,266 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2022-11-23 04:13:52,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 04:13:52,278 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 04:13:52,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 04:13:52,288 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-23 04:13:52,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 04:13:52,294 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-23 04:13:52,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 04:13:52,299 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2022-11-23 04:13:52,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 04:13:52,335 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2022-11-23 04:13:52,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 04:13:52,341 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2022-11-23 04:13:52,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 04:13:52,347 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 04:13:52,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 04:13:52,353 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2022-11-23 04:13:52,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 04:13:52,360 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2022-11-23 04:13:52,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 04:13:52,366 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-11-23 04:13:52,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 04:13:52,372 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2022-11-23 04:13:52,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 04:13:52,385 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 04:13:52,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 04:13:52,391 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-23 04:13:52,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 04:13:52,397 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-23 04:13:52,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 04:13:52,402 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2022-11-23 04:13:52,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 04:13:52,409 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2022-11-23 04:13:52,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 04:13:52,420 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 04:13:52,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 04:13:52,425 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-23 04:13:52,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 04:13:52,431 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-23 04:13:52,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 04:13:52,436 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2022-11-23 04:13:52,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 04:13:52,442 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2022-11-23 04:13:52,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 04:13:52,452 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 04:13:52,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 04:13:52,458 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-23 04:13:52,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 04:13:52,464 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-23 04:13:52,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 04:13:52,469 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2022-11-23 04:13:52,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 04:13:52,570 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2022-11-23 04:13:52,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 04:13:53,009 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-23 04:13:53,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 04:13:53,457 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-23 04:13:53,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 04:13:53,469 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 04:13:53,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 04:13:53,475 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2022-11-23 04:13:53,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 04:13:53,487 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 04:13:53,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 04:13:53,494 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2022-11-23 04:13:53,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 04:13:53,513 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 04:13:53,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 04:13:53,519 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-11-23 04:13:53,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 04:13:53,524 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-11-23 04:13:53,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 04:13:53,529 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-11-23 04:13:53,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 04:13:53,534 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2022-11-23 04:13:53,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 04:13:53,546 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 04:13:53,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 04:13:53,551 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2022-11-23 04:13:53,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 04:13:53,559 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2022-11-23 04:13:53,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 04:13:53,567 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2022-11-23 04:13:53,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 04:13:53,574 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 04:13:53,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 04:13:53,581 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 04:13:53,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 04:13:53,586 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-11-23 04:13:53,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 04:13:53,594 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 04:13:53,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 04:13:53,600 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 04:13:53,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 04:13:53,605 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2022-11-23 04:13:53,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 04:13:53,613 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2022-11-23 04:13:53,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 04:13:53,619 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 04:13:53,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 04:13:53,625 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2022-11-23 04:13:53,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 04:13:53,630 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 340 [2022-11-23 04:13:53,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 04:13:53,637 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 04:13:53,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 04:13:53,642 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 04:13:53,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 04:13:53,647 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 356 [2022-11-23 04:13:53,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 04:13:53,654 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 360 [2022-11-23 04:13:53,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 04:13:53,660 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 366 [2022-11-23 04:13:53,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 04:13:53,666 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 371 [2022-11-23 04:13:53,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 04:13:53,673 INFO L134 CoverageAnalysis]: Checked inductivity of 1033 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 1030 trivial. 0 not checked. [2022-11-23 04:13:53,674 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-23 04:13:53,674 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [508575291] [2022-11-23 04:13:53,674 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [508575291] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 04:13:53,674 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 04:13:53,674 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-11-23 04:13:53,675 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [868075378] [2022-11-23 04:13:53,675 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 04:13:53,676 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-11-23 04:13:53,676 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-23 04:13:53,677 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-11-23 04:13:53,677 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2022-11-23 04:13:53,677 INFO L87 Difference]: Start difference. First operand 2645 states and 3773 transitions. Second operand has 8 states, 8 states have (on average 16.875) internal successors, (135), 4 states have internal predecessors, (135), 3 states have call successors, (47), 6 states have call predecessors, (47), 2 states have return successors, (45), 3 states have call predecessors, (45), 3 states have call successors, (45) [2022-11-23 04:13:55,754 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.07s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 04:14:02,511 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.51s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 04:14:03,968 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.46s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 04:14:08,369 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 04:14:08,369 INFO L93 Difference]: Finished difference Result 5369 states and 7823 transitions. [2022-11-23 04:14:08,370 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-23 04:14:08,370 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 16.875) internal successors, (135), 4 states have internal predecessors, (135), 3 states have call successors, (47), 6 states have call predecessors, (47), 2 states have return successors, (45), 3 states have call predecessors, (45), 3 states have call successors, (45) Word has length 394 [2022-11-23 04:14:08,371 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 04:14:08,395 INFO L225 Difference]: With dead ends: 5369 [2022-11-23 04:14:08,396 INFO L226 Difference]: Without dead ends: 2739 [2022-11-23 04:14:08,413 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 134 GetRequests, 127 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2022-11-23 04:14:08,414 INFO L413 NwaCegarLoop]: 1296 mSDtfsCounter, 1229 mSDsluCounter, 2669 mSDsCounter, 0 mSdLazyCounter, 1662 mSolverCounterSat, 1149 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 13.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1281 SdHoareTripleChecker+Valid, 3965 SdHoareTripleChecker+Invalid, 2812 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1149 IncrementalHoareTripleChecker+Valid, 1662 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 14.4s IncrementalHoareTripleChecker+Time [2022-11-23 04:14:08,415 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1281 Valid, 3965 Invalid, 2812 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1149 Valid, 1662 Invalid, 1 Unknown, 0 Unchecked, 14.4s Time] [2022-11-23 04:14:08,419 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2739 states. [2022-11-23 04:14:08,723 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2739 to 2645. [2022-11-23 04:14:08,728 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2645 states, 1826 states have (on average 1.2409638554216869) internal successors, (2266), 1890 states have internal predecessors, (2266), 676 states have call successors, (676), 132 states have call predecessors, (676), 142 states have return successors, (828), 667 states have call predecessors, (828), 673 states have call successors, (828) [2022-11-23 04:14:08,743 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2645 states to 2645 states and 3770 transitions. [2022-11-23 04:14:08,744 INFO L78 Accepts]: Start accepts. Automaton has 2645 states and 3770 transitions. Word has length 394 [2022-11-23 04:14:08,745 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 04:14:08,745 INFO L495 AbstractCegarLoop]: Abstraction has 2645 states and 3770 transitions. [2022-11-23 04:14:08,746 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 16.875) internal successors, (135), 4 states have internal predecessors, (135), 3 states have call successors, (47), 6 states have call predecessors, (47), 2 states have return successors, (45), 3 states have call predecessors, (45), 3 states have call successors, (45) [2022-11-23 04:14:08,746 INFO L276 IsEmpty]: Start isEmpty. Operand 2645 states and 3770 transitions. [2022-11-23 04:14:08,765 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 502 [2022-11-23 04:14:08,765 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 04:14:08,766 INFO L195 NwaCegarLoop]: trace histogram [21, 21, 21, 16, 16, 12, 12, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 4, 4, 4, 4, 4, 4, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2022-11-23 04:14:08,766 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-11-23 04:14:08,766 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_assert_linux_drivers_clk1__more_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_drivers_clk1__more_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-23 04:14:08,766 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 04:14:08,767 INFO L85 PathProgramCache]: Analyzing trace with hash 638495206, now seen corresponding path program 1 times [2022-11-23 04:14:08,767 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-23 04:14:08,767 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [506951091] [2022-11-23 04:14:08,767 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 04:14:08,768 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 04:14:09,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 04:14:15,621 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-11-23 04:14:15,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 04:14:15,626 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-11-23 04:14:15,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 04:14:15,665 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-11-23 04:14:15,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 04:14:15,675 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 04:14:15,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 04:14:15,680 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-23 04:14:15,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 04:14:15,685 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-23 04:14:15,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 04:14:15,690 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2022-11-23 04:14:15,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 04:14:15,700 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 04:14:15,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 04:14:15,704 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-23 04:14:15,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 04:14:15,709 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-23 04:14:15,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 04:14:15,714 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2022-11-23 04:14:15,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 04:14:15,741 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2022-11-23 04:14:15,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 04:14:15,746 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2022-11-23 04:14:15,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 04:14:15,752 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 04:14:15,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 04:14:15,757 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2022-11-23 04:14:15,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 04:14:15,763 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2022-11-23 04:14:15,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 04:14:15,768 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-11-23 04:14:15,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 04:14:15,773 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2022-11-23 04:14:15,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 04:14:15,783 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 04:14:15,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 04:14:15,788 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-23 04:14:15,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 04:14:15,793 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-23 04:14:15,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 04:14:15,798 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2022-11-23 04:14:15,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 04:14:15,803 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2022-11-23 04:14:15,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 04:14:15,813 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 04:14:15,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 04:14:15,817 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-23 04:14:15,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 04:14:15,822 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-23 04:14:15,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 04:14:15,827 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2022-11-23 04:14:15,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 04:14:15,832 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2022-11-23 04:14:15,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 04:14:15,841 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 04:14:15,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 04:14:15,846 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-23 04:14:15,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 04:14:15,851 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-23 04:14:15,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 04:14:15,856 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2022-11-23 04:14:15,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 04:14:15,956 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2022-11-23 04:14:15,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 04:14:16,053 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-23 04:14:16,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 04:14:16,070 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-23 04:14:16,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 04:14:16,077 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 04:14:16,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 04:14:16,082 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2022-11-23 04:14:16,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 04:14:16,089 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 04:14:16,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 04:14:16,094 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2022-11-23 04:14:16,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 04:14:16,100 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 232 [2022-11-23 04:14:16,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 04:14:16,107 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 04:14:16,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 04:14:16,112 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 04:14:16,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 04:14:16,116 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 248 [2022-11-23 04:14:16,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 04:14:16,122 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 252 [2022-11-23 04:14:16,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 04:14:16,127 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 258 [2022-11-23 04:14:16,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 04:14:16,132 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 263 [2022-11-23 04:14:16,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 04:14:16,137 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 269 [2022-11-23 04:14:16,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 04:14:16,147 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 04:14:16,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 04:14:16,151 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-23 04:14:16,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 04:14:16,156 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-23 04:14:16,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 04:14:16,161 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 291 [2022-11-23 04:14:16,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 04:14:17,206 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-23 04:14:17,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 04:14:18,644 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-23 04:14:18,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 04:14:18,651 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 04:14:18,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 04:14:18,667 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2022-11-23 04:14:18,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 04:14:18,674 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 04:14:18,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 04:14:18,679 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2022-11-23 04:14:18,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 04:14:18,691 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 04:14:18,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 04:14:18,698 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-11-23 04:14:18,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 04:14:18,703 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-11-23 04:14:18,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 04:14:18,712 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-11-23 04:14:18,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 04:14:18,716 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2022-11-23 04:14:18,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 04:14:18,722 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 04:14:18,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 04:14:18,727 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2022-11-23 04:14:18,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 04:14:18,732 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2022-11-23 04:14:18,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 04:14:18,743 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2022-11-23 04:14:18,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 04:14:18,750 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 04:14:18,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 04:14:18,755 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-11-23 04:14:18,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 04:14:19,117 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 04:14:19,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 04:14:19,313 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 04:14:19,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 04:14:19,319 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2022-11-23 04:14:19,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 04:14:19,346 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 04:14:19,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 04:14:19,357 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 04:14:19,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 04:14:19,375 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-11-23 04:14:19,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 04:14:19,380 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-11-23 04:14:19,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 04:14:19,385 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-11-23 04:14:19,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 04:14:19,389 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-11-23 04:14:19,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 04:14:19,814 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2022-11-23 04:14:19,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 04:14:19,826 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 04:14:19,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 04:14:19,833 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2022-11-23 04:14:19,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 04:14:19,838 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 473 [2022-11-23 04:14:19,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 04:14:19,844 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 478 [2022-11-23 04:14:19,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 04:14:19,851 INFO L134 CoverageAnalysis]: Checked inductivity of 1689 backedges. 20 proven. 5 refuted. 0 times theorem prover too weak. 1664 trivial. 0 not checked. [2022-11-23 04:14:19,851 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-23 04:14:19,852 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [506951091] [2022-11-23 04:14:19,852 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [506951091] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-23 04:14:19,852 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [91088940] [2022-11-23 04:14:19,852 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 04:14:19,853 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-23 04:14:19,853 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4f2af11-4c57-4137-87e3-aa695ca6ee4d/bin/uautomizer-QkZJyEgLgS/z3 [2022-11-23 04:14:19,854 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4f2af11-4c57-4137-87e3-aa695ca6ee4d/bin/uautomizer-QkZJyEgLgS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-23 04:14:19,864 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4f2af11-4c57-4137-87e3-aa695ca6ee4d/bin/uautomizer-QkZJyEgLgS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-11-23 04:14:22,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 04:14:22,843 INFO L263 TraceCheckSpWp]: Trace formula consists of 4880 conjuncts, 74 conjunts are in the unsatisfiable core [2022-11-23 04:14:22,885 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-23 04:14:23,275 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2022-11-23 04:14:23,296 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2022-11-23 04:14:25,303 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 7 [2022-11-23 04:14:25,319 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 7 [2022-11-23 04:14:26,282 INFO L134 CoverageAnalysis]: Checked inductivity of 1689 backedges. 378 proven. 5 refuted. 0 times theorem prover too weak. 1306 trivial. 0 not checked. [2022-11-23 04:14:26,283 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-23 04:14:31,246 INFO L134 CoverageAnalysis]: Checked inductivity of 1689 backedges. 20 proven. 5 refuted. 0 times theorem prover too weak. 1664 trivial. 0 not checked. [2022-11-23 04:14:31,247 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [91088940] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-23 04:14:31,247 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-23 04:14:31,247 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 18, 12] total 36 [2022-11-23 04:14:31,247 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1203143656] [2022-11-23 04:14:31,248 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-23 04:14:31,249 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 36 states [2022-11-23 04:14:31,249 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-23 04:14:31,250 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 36 interpolants. [2022-11-23 04:14:31,250 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=99, Invalid=1161, Unknown=0, NotChecked=0, Total=1260 [2022-11-23 04:14:31,251 INFO L87 Difference]: Start difference. First operand 2645 states and 3770 transitions. Second operand has 36 states, 34 states have (on average 6.088235294117647) internal successors, (207), 23 states have internal predecessors, (207), 8 states have call successors, (83), 7 states have call predecessors, (83), 12 states have return successors, (69), 15 states have call predecessors, (69), 8 states have call successors, (69) [2022-11-23 04:14:33,314 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 04:14:35,585 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.27s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-11-23 04:14:37,871 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.28s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 04:14:40,062 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.19s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-11-23 04:14:42,343 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.28s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-11-23 04:14:44,610 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.27s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-11-23 04:15:12,896 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-11-23 04:15:22,740 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-11-23 04:15:37,179 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.13s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 04:15:39,188 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-11-23 04:15:40,350 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.16s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 04:15:42,367 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-11-23 04:15:43,740 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.37s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-11-23 04:15:46,444 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-11-23 04:15:48,655 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-11-23 04:15:57,129 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-11-23 04:16:02,340 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.23s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 04:16:04,417 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.28s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 04:16:07,703 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.17s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 04:16:09,325 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.08s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 04:16:11,030 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.70s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 04:16:12,837 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.81s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 04:16:16,762 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.71s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-11-23 04:16:17,846 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.08s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-11-23 04:16:22,460 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-11-23 04:16:24,057 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.01s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 04:16:45,813 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-11-23 04:16:55,138 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-11-23 04:17:09,267 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-11-23 04:17:13,203 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.32s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-11-23 04:17:14,363 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.16s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-11-23 04:17:16,348 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.49s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-11-23 04:17:17,622 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.27s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-11-23 04:17:19,417 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.37s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-11-23 04:17:21,007 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.59s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-11-23 04:17:23,017 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-11-23 04:17:25,059 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.57s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-11-23 04:17:26,210 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.15s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-11-23 04:17:29,674 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.15s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-11-23 04:17:35,677 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-11-23 04:17:36,855 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.18s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-11-23 04:17:55,690 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 04:17:55,690 INFO L93 Difference]: Finished difference Result 7049 states and 10527 transitions. [2022-11-23 04:17:55,690 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2022-11-23 04:17:55,691 INFO L78 Accepts]: Start accepts. Automaton has has 36 states, 34 states have (on average 6.088235294117647) internal successors, (207), 23 states have internal predecessors, (207), 8 states have call successors, (83), 7 states have call predecessors, (83), 12 states have return successors, (69), 15 states have call predecessors, (69), 8 states have call successors, (69) Word has length 501 [2022-11-23 04:17:55,692 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 04:17:55,727 INFO L225 Difference]: With dead ends: 7049 [2022-11-23 04:17:55,727 INFO L226 Difference]: Without dead ends: 4419 [2022-11-23 04:17:55,742 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1197 GetRequests, 1144 SyntacticMatches, 2 SemanticMatches, 51 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 548 ImplicationChecksByTransitivity, 8.8s TimeCoverageRelationStatistics Valid=272, Invalid=2484, Unknown=0, NotChecked=0, Total=2756 [2022-11-23 04:17:55,743 INFO L413 NwaCegarLoop]: 1735 mSDtfsCounter, 1831 mSDsluCounter, 33645 mSDsCounter, 0 mSdLazyCounter, 24192 mSolverCounterSat, 1038 mSolverCounterUnsat, 19 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 193.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1999 SdHoareTripleChecker+Valid, 35380 SdHoareTripleChecker+Invalid, 25249 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.4s SdHoareTripleChecker+Time, 1038 IncrementalHoareTripleChecker+Valid, 24192 IncrementalHoareTripleChecker+Invalid, 19 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 199.3s IncrementalHoareTripleChecker+Time [2022-11-23 04:17:55,744 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1999 Valid, 35380 Invalid, 25249 Unknown, 0 Unchecked, 0.4s Time], IncrementalHoareTripleChecker [1038 Valid, 24192 Invalid, 19 Unknown, 0 Unchecked, 199.3s Time] [2022-11-23 04:17:55,749 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4419 states. [2022-11-23 04:17:56,157 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4419 to 3790. [2022-11-23 04:17:56,164 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3790 states, 2589 states have (on average 1.2286597141753572) internal successors, (3181), 2704 states have internal predecessors, (3181), 974 states have call successors, (974), 210 states have call predecessors, (974), 226 states have return successors, (1468), 932 states have call predecessors, (1468), 971 states have call successors, (1468) [2022-11-23 04:17:56,187 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3790 states to 3790 states and 5623 transitions. [2022-11-23 04:17:56,188 INFO L78 Accepts]: Start accepts. Automaton has 3790 states and 5623 transitions. Word has length 501 [2022-11-23 04:17:56,189 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 04:17:56,189 INFO L495 AbstractCegarLoop]: Abstraction has 3790 states and 5623 transitions. [2022-11-23 04:17:56,189 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 36 states, 34 states have (on average 6.088235294117647) internal successors, (207), 23 states have internal predecessors, (207), 8 states have call successors, (83), 7 states have call predecessors, (83), 12 states have return successors, (69), 15 states have call predecessors, (69), 8 states have call successors, (69) [2022-11-23 04:17:56,190 INFO L276 IsEmpty]: Start isEmpty. Operand 3790 states and 5623 transitions. [2022-11-23 04:17:56,218 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 493 [2022-11-23 04:17:56,218 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 04:17:56,219 INFO L195 NwaCegarLoop]: trace histogram [19, 19, 19, 16, 16, 11, 11, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2022-11-23 04:17:56,243 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4f2af11-4c57-4137-87e3-aa695ca6ee4d/bin/uautomizer-QkZJyEgLgS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2022-11-23 04:17:56,432 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4f2af11-4c57-4137-87e3-aa695ca6ee4d/bin/uautomizer-QkZJyEgLgS/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-23 04:17:56,433 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_assert_linux_drivers_clk1__more_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_drivers_clk1__more_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-23 04:17:56,433 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 04:17:56,433 INFO L85 PathProgramCache]: Analyzing trace with hash -2039001894, now seen corresponding path program 1 times [2022-11-23 04:17:56,433 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-23 04:17:56,433 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [917528925] [2022-11-23 04:17:56,433 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 04:17:56,434 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 04:17:56,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 04:18:00,910 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-11-23 04:18:00,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 04:18:00,914 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-11-23 04:18:00,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 04:18:00,957 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-11-23 04:18:00,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 04:18:00,965 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 04:18:00,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 04:18:00,969 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-23 04:18:00,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 04:18:00,973 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-23 04:18:00,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 04:18:00,976 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2022-11-23 04:18:00,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 04:18:00,983 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 04:18:00,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 04:18:00,987 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-23 04:18:00,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 04:18:00,991 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-23 04:18:00,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 04:18:00,994 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2022-11-23 04:18:00,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 04:18:01,020 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2022-11-23 04:18:01,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 04:18:01,025 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2022-11-23 04:18:01,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 04:18:01,029 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 04:18:01,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 04:18:01,033 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2022-11-23 04:18:01,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 04:18:01,037 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2022-11-23 04:18:01,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 04:18:01,041 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-11-23 04:18:01,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 04:18:01,045 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2022-11-23 04:18:01,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 04:18:01,052 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 04:18:01,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 04:18:01,056 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-23 04:18:01,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 04:18:01,059 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-23 04:18:01,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 04:18:01,063 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2022-11-23 04:18:01,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 04:18:01,067 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2022-11-23 04:18:01,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 04:18:01,075 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 04:18:01,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 04:18:01,079 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-23 04:18:01,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 04:18:01,083 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-23 04:18:01,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 04:18:01,086 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2022-11-23 04:18:01,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 04:18:01,090 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2022-11-23 04:18:01,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 04:18:01,098 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 04:18:01,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 04:18:01,101 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-23 04:18:01,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 04:18:01,105 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-23 04:18:01,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 04:18:01,109 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2022-11-23 04:18:01,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 04:18:01,214 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2022-11-23 04:18:01,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 04:18:01,322 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-23 04:18:01,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 04:18:01,338 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-23 04:18:01,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 04:18:01,344 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 04:18:01,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 04:18:01,348 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2022-11-23 04:18:01,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 04:18:01,353 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 04:18:01,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 04:18:01,357 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2022-11-23 04:18:01,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 04:18:01,362 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 232 [2022-11-23 04:18:01,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 04:18:01,367 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 04:18:01,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 04:18:01,372 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 04:18:01,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 04:18:01,376 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 248 [2022-11-23 04:18:01,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 04:18:01,381 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 252 [2022-11-23 04:18:01,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 04:18:01,386 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 258 [2022-11-23 04:18:01,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 04:18:01,389 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 263 [2022-11-23 04:18:01,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 04:18:01,392 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 269 [2022-11-23 04:18:01,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 04:18:01,401 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 04:18:01,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 04:18:01,405 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-23 04:18:01,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 04:18:01,409 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-23 04:18:01,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 04:18:01,413 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 291 [2022-11-23 04:18:01,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 04:18:02,086 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-23 04:18:02,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 04:18:03,016 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-23 04:18:03,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 04:18:03,020 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 04:18:03,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 04:18:03,023 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2022-11-23 04:18:03,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 04:18:03,029 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 04:18:03,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 04:18:03,034 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2022-11-23 04:18:03,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 04:18:03,044 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 04:18:03,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 04:18:03,048 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-11-23 04:18:03,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 04:18:03,052 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-11-23 04:18:03,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 04:18:03,057 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-11-23 04:18:03,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 04:18:03,060 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2022-11-23 04:18:03,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 04:18:03,066 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 04:18:03,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 04:18:03,070 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2022-11-23 04:18:03,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 04:18:03,074 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2022-11-23 04:18:03,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 04:18:03,078 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2022-11-23 04:18:03,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 04:18:03,083 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 04:18:03,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 04:18:03,089 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-11-23 04:18:03,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 04:18:03,095 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 04:18:03,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 04:18:03,100 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 04:18:03,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 04:18:03,104 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2022-11-23 04:18:03,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 04:18:03,397 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 04:18:03,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 04:18:03,564 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 04:18:03,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 04:18:03,567 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2022-11-23 04:18:03,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 04:18:03,573 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2022-11-23 04:18:03,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 04:18:03,913 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2022-11-23 04:18:03,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 04:18:03,918 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 04:18:03,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 04:18:03,921 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2022-11-23 04:18:03,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 04:18:03,925 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 464 [2022-11-23 04:18:03,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 04:18:03,930 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 469 [2022-11-23 04:18:03,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 04:18:03,935 INFO L134 CoverageAnalysis]: Checked inductivity of 1503 backedges. 28 proven. 0 refuted. 0 times theorem prover too weak. 1475 trivial. 0 not checked. [2022-11-23 04:18:03,935 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-23 04:18:03,935 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [917528925] [2022-11-23 04:18:03,935 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [917528925] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 04:18:03,935 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 04:18:03,936 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16 [2022-11-23 04:18:03,936 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [759382168] [2022-11-23 04:18:03,936 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 04:18:03,937 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2022-11-23 04:18:03,937 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-23 04:18:03,937 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2022-11-23 04:18:03,937 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=205, Unknown=0, NotChecked=0, Total=240 [2022-11-23 04:18:03,938 INFO L87 Difference]: Start difference. First operand 3790 states and 5623 transitions. Second operand has 16 states, 15 states have (on average 10.6) internal successors, (159), 9 states have internal predecessors, (159), 4 states have call successors, (54), 6 states have call predecessors, (54), 5 states have return successors, (54), 6 states have call predecessors, (54), 4 states have call successors, (54) [2022-11-23 04:18:06,044 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.10s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 04:18:08,312 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.27s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 04:18:27,986 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 04:18:31,972 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.59s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 04:18:33,974 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 04:18:36,800 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 04:18:37,854 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.05s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 04:18:52,473 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 04:18:52,473 INFO L93 Difference]: Finished difference Result 8233 states and 12644 transitions. [2022-11-23 04:18:52,473 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2022-11-23 04:18:52,474 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 15 states have (on average 10.6) internal successors, (159), 9 states have internal predecessors, (159), 4 states have call successors, (54), 6 states have call predecessors, (54), 5 states have return successors, (54), 6 states have call predecessors, (54), 4 states have call successors, (54) Word has length 492 [2022-11-23 04:18:52,475 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 04:18:52,511 INFO L225 Difference]: With dead ends: 8233 [2022-11-23 04:18:52,512 INFO L226 Difference]: Without dead ends: 4458 [2022-11-23 04:18:52,533 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 182 GetRequests, 160 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 76 ImplicationChecksByTransitivity, 2.1s TimeCoverageRelationStatistics Valid=86, Invalid=466, Unknown=0, NotChecked=0, Total=552 [2022-11-23 04:18:52,533 INFO L413 NwaCegarLoop]: 1368 mSDtfsCounter, 742 mSDsluCounter, 13364 mSDsCounter, 0 mSdLazyCounter, 6870 mSolverCounterSat, 745 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 45.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 828 SdHoareTripleChecker+Valid, 14732 SdHoareTripleChecker+Invalid, 7619 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 745 IncrementalHoareTripleChecker+Valid, 6870 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 46.9s IncrementalHoareTripleChecker+Time [2022-11-23 04:18:52,534 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [828 Valid, 14732 Invalid, 7619 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [745 Valid, 6870 Invalid, 4 Unknown, 0 Unchecked, 46.9s Time] [2022-11-23 04:18:52,540 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4458 states. [2022-11-23 04:18:52,853 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4458 to 3838. [2022-11-23 04:18:52,858 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3838 states, 2623 states have (on average 1.2268394967594358) internal successors, (3218), 2732 states have internal predecessors, (3218), 986 states have call successors, (986), 210 states have call predecessors, (986), 228 states have return successors, (1483), 952 states have call predecessors, (1483), 983 states have call successors, (1483) [2022-11-23 04:18:52,879 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3838 states to 3838 states and 5687 transitions. [2022-11-23 04:18:52,880 INFO L78 Accepts]: Start accepts. Automaton has 3838 states and 5687 transitions. Word has length 492 [2022-11-23 04:18:52,882 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 04:18:52,882 INFO L495 AbstractCegarLoop]: Abstraction has 3838 states and 5687 transitions. [2022-11-23 04:18:52,883 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 15 states have (on average 10.6) internal successors, (159), 9 states have internal predecessors, (159), 4 states have call successors, (54), 6 states have call predecessors, (54), 5 states have return successors, (54), 6 states have call predecessors, (54), 4 states have call successors, (54) [2022-11-23 04:18:52,883 INFO L276 IsEmpty]: Start isEmpty. Operand 3838 states and 5687 transitions. [2022-11-23 04:18:52,895 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 502 [2022-11-23 04:18:52,895 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 04:18:52,896 INFO L195 NwaCegarLoop]: trace histogram [21, 21, 21, 16, 16, 12, 12, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 4, 4, 4, 4, 4, 4, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2022-11-23 04:18:52,896 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-11-23 04:18:52,896 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_assert_linux_drivers_clk1__more_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_drivers_clk1__more_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-23 04:18:52,897 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 04:18:52,897 INFO L85 PathProgramCache]: Analyzing trace with hash -2059354650, now seen corresponding path program 2 times [2022-11-23 04:18:52,897 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-23 04:18:52,897 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1857368589] [2022-11-23 04:18:52,897 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 04:18:52,898 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 04:18:53,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 04:18:55,427 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-11-23 04:18:55,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 04:18:55,433 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-11-23 04:18:55,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 04:18:55,483 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-11-23 04:18:55,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 04:18:55,496 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 04:18:55,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 04:18:55,499 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-23 04:18:55,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 04:18:55,502 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-23 04:18:55,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 04:18:55,504 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2022-11-23 04:18:55,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 04:18:55,515 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 04:18:55,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 04:18:55,518 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-23 04:18:55,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 04:18:55,520 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-23 04:18:55,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 04:18:55,523 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2022-11-23 04:18:55,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 04:18:55,565 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2022-11-23 04:18:55,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 04:18:55,572 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2022-11-23 04:18:55,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 04:18:55,578 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 04:18:55,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 04:18:55,581 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2022-11-23 04:18:55,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 04:18:55,586 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2022-11-23 04:18:55,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 04:18:55,591 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-11-23 04:18:55,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 04:18:55,596 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2022-11-23 04:18:55,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 04:18:55,682 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 04:18:55,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 04:18:55,686 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-23 04:18:55,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 04:18:55,691 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-23 04:18:55,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 04:18:55,694 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2022-11-23 04:18:55,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 04:18:55,706 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2022-11-23 04:18:55,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 04:18:55,721 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 04:18:55,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 04:18:55,724 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-23 04:18:55,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 04:18:55,727 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-23 04:18:55,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 04:18:55,729 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2022-11-23 04:18:55,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 04:18:55,733 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2022-11-23 04:18:55,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 04:18:55,748 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 04:18:55,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 04:18:55,752 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-23 04:18:55,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 04:18:55,756 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-23 04:18:55,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 04:18:55,760 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2022-11-23 04:18:55,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 04:18:55,872 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2022-11-23 04:18:55,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 04:18:55,991 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-23 04:18:55,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 04:18:56,005 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-23 04:18:56,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 04:18:56,009 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 04:18:56,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 04:18:56,012 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2022-11-23 04:18:56,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 04:18:56,015 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 04:18:56,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 04:18:56,018 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2022-11-23 04:18:56,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 04:18:56,022 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 232 [2022-11-23 04:18:56,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 04:18:56,031 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 04:18:56,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 04:18:56,036 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 04:18:56,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 04:18:56,040 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 248 [2022-11-23 04:18:56,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 04:18:56,047 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 252 [2022-11-23 04:18:56,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 04:18:56,055 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 258 [2022-11-23 04:18:56,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 04:18:56,062 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 263 [2022-11-23 04:18:56,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 04:18:56,069 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 269 [2022-11-23 04:18:56,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 04:18:56,084 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 04:18:56,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 04:18:56,088 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-23 04:18:56,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 04:18:56,092 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-23 04:18:56,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 04:18:56,096 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 291 [2022-11-23 04:18:56,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 04:18:56,204 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-23 04:18:56,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 04:18:56,250 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-23 04:18:56,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 04:18:56,255 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 04:18:56,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 04:18:56,259 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2022-11-23 04:18:56,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 04:18:56,265 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 04:18:56,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 04:18:56,269 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2022-11-23 04:18:56,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 04:18:56,277 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 04:18:56,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 04:18:56,281 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-11-23 04:18:56,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 04:18:56,284 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-11-23 04:18:56,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 04:18:56,287 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-11-23 04:18:56,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 04:18:56,290 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2022-11-23 04:18:56,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 04:18:56,294 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 04:18:56,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 04:18:56,297 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2022-11-23 04:18:56,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 04:18:56,300 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2022-11-23 04:18:56,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 04:18:56,302 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2022-11-23 04:18:56,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 04:18:56,306 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 04:18:56,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 04:18:56,309 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-11-23 04:18:56,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 04:18:56,315 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 04:18:56,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 04:18:56,321 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 04:18:56,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 04:18:56,324 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-11-23 04:18:56,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 04:18:56,327 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-11-23 04:18:56,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 04:18:56,332 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-11-23 04:18:56,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 04:18:56,335 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2022-11-23 04:18:56,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 04:18:56,338 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 04:18:56,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 04:18:56,342 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 04:18:56,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 04:18:56,344 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-11-23 04:18:56,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 04:18:56,350 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2022-11-23 04:18:56,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 04:18:56,355 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 04:18:56,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 04:18:56,358 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2022-11-23 04:18:56,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 04:18:56,360 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 473 [2022-11-23 04:18:56,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 04:18:56,367 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 478 [2022-11-23 04:18:56,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 04:18:56,373 INFO L134 CoverageAnalysis]: Checked inductivity of 1689 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1689 trivial. 0 not checked. [2022-11-23 04:18:56,374 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-23 04:18:56,374 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1857368589] [2022-11-23 04:18:56,374 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1857368589] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 04:18:56,374 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 04:18:56,375 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-11-23 04:18:56,375 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1471444373] [2022-11-23 04:18:56,375 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 04:18:56,376 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-11-23 04:18:56,376 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-23 04:18:56,376 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-11-23 04:18:56,377 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2022-11-23 04:18:56,377 INFO L87 Difference]: Start difference. First operand 3838 states and 5687 transitions. Second operand has 8 states, 8 states have (on average 18.125) internal successors, (145), 4 states have internal predecessors, (145), 3 states have call successors, (52), 6 states have call predecessors, (52), 1 states have return successors, (50), 2 states have call predecessors, (50), 2 states have call successors, (50) [2022-11-23 04:18:58,435 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 04:19:00,714 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.28s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 04:19:11,826 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 04:19:12,932 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.10s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 04:19:18,984 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 04:19:18,984 INFO L93 Difference]: Finished difference Result 3932 states and 5878 transitions. [2022-11-23 04:19:18,985 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-23 04:19:18,985 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 18.125) internal successors, (145), 4 states have internal predecessors, (145), 3 states have call successors, (52), 6 states have call predecessors, (52), 1 states have return successors, (50), 2 states have call predecessors, (50), 2 states have call successors, (50) Word has length 501 [2022-11-23 04:19:18,986 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 04:19:19,013 INFO L225 Difference]: With dead ends: 3932 [2022-11-23 04:19:19,013 INFO L226 Difference]: Without dead ends: 3920 [2022-11-23 04:19:19,017 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 174 GetRequests, 164 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=44, Invalid=88, Unknown=0, NotChecked=0, Total=132 [2022-11-23 04:19:19,018 INFO L413 NwaCegarLoop]: 1288 mSDtfsCounter, 1740 mSDsluCounter, 2160 mSDsCounter, 0 mSdLazyCounter, 2124 mSolverCounterSat, 529 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 20.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1912 SdHoareTripleChecker+Valid, 3448 SdHoareTripleChecker+Invalid, 2656 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 529 IncrementalHoareTripleChecker+Valid, 2124 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 21.8s IncrementalHoareTripleChecker+Time [2022-11-23 04:19:19,018 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1912 Valid, 3448 Invalid, 2656 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [529 Valid, 2124 Invalid, 3 Unknown, 0 Unchecked, 21.8s Time] [2022-11-23 04:19:19,023 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3920 states. [2022-11-23 04:19:19,494 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3920 to 3838. [2022-11-23 04:19:19,499 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3838 states, 2623 states have (on average 1.2264582539077393) internal successors, (3217), 2732 states have internal predecessors, (3217), 986 states have call successors, (986), 210 states have call predecessors, (986), 228 states have return successors, (1483), 952 states have call predecessors, (1483), 983 states have call successors, (1483) [2022-11-23 04:19:19,521 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3838 states to 3838 states and 5686 transitions. [2022-11-23 04:19:19,522 INFO L78 Accepts]: Start accepts. Automaton has 3838 states and 5686 transitions. Word has length 501 [2022-11-23 04:19:19,523 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 04:19:19,523 INFO L495 AbstractCegarLoop]: Abstraction has 3838 states and 5686 transitions. [2022-11-23 04:19:19,523 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 18.125) internal successors, (145), 4 states have internal predecessors, (145), 3 states have call successors, (52), 6 states have call predecessors, (52), 1 states have return successors, (50), 2 states have call predecessors, (50), 2 states have call successors, (50) [2022-11-23 04:19:19,523 INFO L276 IsEmpty]: Start isEmpty. Operand 3838 states and 5686 transitions. [2022-11-23 04:19:19,537 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 519 [2022-11-23 04:19:19,537 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 04:19:19,538 INFO L195 NwaCegarLoop]: trace histogram [23, 23, 23, 16, 16, 13, 13, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2022-11-23 04:19:19,538 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-11-23 04:19:19,538 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ldv_assert_linux_drivers_clk1__more_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_drivers_clk1__more_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-23 04:19:19,539 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 04:19:19,539 INFO L85 PathProgramCache]: Analyzing trace with hash -1533666795, now seen corresponding path program 1 times [2022-11-23 04:19:19,539 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-23 04:19:19,539 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [646233333] [2022-11-23 04:19:19,539 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 04:19:19,540 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 04:19:20,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 04:19:23,164 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-11-23 04:19:23,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 04:19:23,168 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-11-23 04:19:23,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 04:19:23,202 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-11-23 04:19:23,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 04:19:23,208 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 04:19:23,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 04:19:23,211 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-23 04:19:23,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 04:19:23,213 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-23 04:19:23,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 04:19:23,217 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2022-11-23 04:19:23,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 04:19:23,226 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 04:19:23,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 04:19:23,230 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-23 04:19:23,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 04:19:23,235 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-23 04:19:23,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 04:19:23,238 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2022-11-23 04:19:23,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 04:19:23,262 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2022-11-23 04:19:23,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 04:19:23,267 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2022-11-23 04:19:23,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 04:19:23,272 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 04:19:23,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 04:19:23,276 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2022-11-23 04:19:23,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 04:19:23,281 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2022-11-23 04:19:23,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 04:19:23,286 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-11-23 04:19:23,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 04:19:23,290 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2022-11-23 04:19:23,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 04:19:23,299 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 04:19:23,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 04:19:23,303 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-23 04:19:23,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 04:19:23,308 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-23 04:19:23,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 04:19:23,311 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2022-11-23 04:19:23,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 04:19:23,316 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2022-11-23 04:19:23,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 04:19:23,324 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 04:19:23,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 04:19:23,327 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-23 04:19:23,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 04:19:23,332 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-23 04:19:23,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 04:19:23,335 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2022-11-23 04:19:23,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 04:19:23,340 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2022-11-23 04:19:23,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 04:19:23,348 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 04:19:23,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 04:19:23,352 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-23 04:19:23,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 04:19:23,355 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-23 04:19:23,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 04:19:23,357 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2022-11-23 04:19:23,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 04:19:23,443 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2022-11-23 04:19:23,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 04:19:23,708 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-23 04:19:23,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 04:19:24,174 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-23 04:19:24,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 04:19:24,325 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 04:19:24,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 04:19:24,329 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2022-11-23 04:19:24,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 04:19:24,812 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 04:19:24,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 04:19:25,039 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2022-11-23 04:19:25,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 04:19:25,044 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 232 [2022-11-23 04:19:25,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 04:19:25,049 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 04:19:25,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 04:19:25,052 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 04:19:25,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 04:19:25,057 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 248 [2022-11-23 04:19:25,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 04:19:25,063 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 252 [2022-11-23 04:19:25,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 04:19:25,067 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 258 [2022-11-23 04:19:25,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 04:19:25,070 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 263 [2022-11-23 04:19:25,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 04:19:25,074 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 269 [2022-11-23 04:19:25,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 04:19:25,081 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 04:19:25,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 04:19:25,083 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-23 04:19:25,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 04:19:25,087 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-23 04:19:25,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 04:19:25,089 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 291 [2022-11-23 04:19:25,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 04:19:25,175 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-23 04:19:25,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 04:19:25,287 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-23 04:19:25,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 04:19:25,292 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 04:19:25,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 04:19:25,296 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2022-11-23 04:19:25,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 04:19:25,301 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 04:19:25,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 04:19:25,306 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2022-11-23 04:19:25,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 04:19:25,315 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 04:19:25,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 04:19:25,318 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-11-23 04:19:25,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 04:19:25,322 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-11-23 04:19:25,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 04:19:25,326 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-11-23 04:19:25,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 04:19:25,330 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2022-11-23 04:19:25,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 04:19:25,335 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 04:19:25,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 04:19:25,339 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2022-11-23 04:19:25,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 04:19:25,343 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2022-11-23 04:19:25,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 04:19:25,347 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2022-11-23 04:19:25,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 04:19:25,352 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 04:19:25,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 04:19:25,355 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-11-23 04:19:25,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 04:19:25,365 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 04:19:25,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 04:19:25,373 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 04:19:25,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 04:19:25,377 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-11-23 04:19:25,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 04:19:25,381 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-11-23 04:19:25,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 04:19:25,385 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-11-23 04:19:25,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 04:19:25,389 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2022-11-23 04:19:25,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 04:19:25,399 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 04:19:25,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 04:19:25,408 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 04:19:25,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 04:19:25,412 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-11-23 04:19:25,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 04:19:25,416 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-11-23 04:19:25,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 04:19:25,420 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-11-23 04:19:25,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 04:19:25,424 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2022-11-23 04:19:25,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 04:19:25,428 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2022-11-23 04:19:25,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 04:19:25,433 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 04:19:25,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 04:19:25,438 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2022-11-23 04:19:25,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 04:19:25,442 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 489 [2022-11-23 04:19:25,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 04:19:25,446 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 494 [2022-11-23 04:19:25,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 04:19:25,453 INFO L134 CoverageAnalysis]: Checked inductivity of 1907 backedges. 13 proven. 48 refuted. 0 times theorem prover too weak. 1846 trivial. 0 not checked. [2022-11-23 04:19:25,453 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-23 04:19:25,453 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [646233333] [2022-11-23 04:19:25,453 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [646233333] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-23 04:19:25,453 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2146814712] [2022-11-23 04:19:25,454 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 04:19:25,454 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-23 04:19:25,454 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4f2af11-4c57-4137-87e3-aa695ca6ee4d/bin/uautomizer-QkZJyEgLgS/z3 [2022-11-23 04:19:25,458 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4f2af11-4c57-4137-87e3-aa695ca6ee4d/bin/uautomizer-QkZJyEgLgS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-23 04:19:25,459 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4f2af11-4c57-4137-87e3-aa695ca6ee4d/bin/uautomizer-QkZJyEgLgS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2022-11-23 04:19:48,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 04:19:48,292 INFO L263 TraceCheckSpWp]: Trace formula consists of 4940 conjuncts, 49 conjunts are in the unsatisfiable core [2022-11-23 04:19:48,305 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-23 04:19:49,350 INFO L134 CoverageAnalysis]: Checked inductivity of 1907 backedges. 821 proven. 0 refuted. 0 times theorem prover too weak. 1086 trivial. 0 not checked. [2022-11-23 04:19:49,350 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-23 04:19:49,351 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2146814712] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 04:19:49,351 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-23 04:19:49,351 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [16] total 19 [2022-11-23 04:19:49,351 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1450460622] [2022-11-23 04:19:49,351 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 04:19:49,352 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-11-23 04:19:49,352 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-23 04:19:49,353 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-11-23 04:19:49,353 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=44, Invalid=298, Unknown=0, NotChecked=0, Total=342 [2022-11-23 04:19:49,353 INFO L87 Difference]: Start difference. First operand 3838 states and 5686 transitions. Second operand has 12 states, 10 states have (on average 18.1) internal successors, (181), 9 states have internal predecessors, (181), 4 states have call successors, (57), 2 states have call predecessors, (57), 5 states have return successors, (57), 5 states have call predecessors, (57), 4 states have call successors, (57) [2022-11-23 04:19:51,937 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 04:19:51,937 INFO L93 Difference]: Finished difference Result 9103 states and 13949 transitions. [2022-11-23 04:19:51,937 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-11-23 04:19:51,938 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 10 states have (on average 18.1) internal successors, (181), 9 states have internal predecessors, (181), 4 states have call successors, (57), 2 states have call predecessors, (57), 5 states have return successors, (57), 5 states have call predecessors, (57), 4 states have call successors, (57) Word has length 518 [2022-11-23 04:19:51,938 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 04:19:51,978 INFO L225 Difference]: With dead ends: 9103 [2022-11-23 04:19:51,979 INFO L226 Difference]: Without dead ends: 5280 [2022-11-23 04:19:52,003 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 705 GetRequests, 681 SyntacticMatches, 2 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 98 ImplicationChecksByTransitivity, 2.3s TimeCoverageRelationStatistics Valid=70, Invalid=482, Unknown=0, NotChecked=0, Total=552 [2022-11-23 04:19:52,004 INFO L413 NwaCegarLoop]: 1708 mSDtfsCounter, 776 mSDsluCounter, 17078 mSDsCounter, 0 mSdLazyCounter, 302 mSolverCounterSat, 135 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 821 SdHoareTripleChecker+Valid, 18786 SdHoareTripleChecker+Invalid, 437 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 135 IncrementalHoareTripleChecker+Valid, 302 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2022-11-23 04:19:52,004 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [821 Valid, 18786 Invalid, 437 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [135 Valid, 302 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2022-11-23 04:19:52,011 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5280 states. [2022-11-23 04:19:52,537 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5280 to 3858. [2022-11-23 04:19:52,543 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3858 states, 2639 states have (on average 1.2250852595680182) internal successors, (3233), 2744 states have internal predecessors, (3233), 990 states have call successors, (990), 210 states have call predecessors, (990), 228 states have return successors, (1487), 960 states have call predecessors, (1487), 987 states have call successors, (1487) [2022-11-23 04:19:52,564 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3858 states to 3858 states and 5710 transitions. [2022-11-23 04:19:52,565 INFO L78 Accepts]: Start accepts. Automaton has 3858 states and 5710 transitions. Word has length 518 [2022-11-23 04:19:52,566 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 04:19:52,566 INFO L495 AbstractCegarLoop]: Abstraction has 3858 states and 5710 transitions. [2022-11-23 04:19:52,566 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 10 states have (on average 18.1) internal successors, (181), 9 states have internal predecessors, (181), 4 states have call successors, (57), 2 states have call predecessors, (57), 5 states have return successors, (57), 5 states have call predecessors, (57), 4 states have call successors, (57) [2022-11-23 04:19:52,567 INFO L276 IsEmpty]: Start isEmpty. Operand 3858 states and 5710 transitions. [2022-11-23 04:19:52,579 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 535 [2022-11-23 04:19:52,579 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 04:19:52,580 INFO L195 NwaCegarLoop]: trace histogram [25, 25, 25, 16, 16, 14, 14, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2022-11-23 04:19:52,805 WARN L435 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4f2af11-4c57-4137-87e3-aa695ca6ee4d/bin/uautomizer-QkZJyEgLgS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forcibly destroying the process [2022-11-23 04:19:52,805 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4f2af11-4c57-4137-87e3-aa695ca6ee4d/bin/uautomizer-QkZJyEgLgS/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-23 04:19:52,805 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ldv_assert_linux_drivers_clk1__more_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_drivers_clk1__more_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-23 04:19:52,805 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 04:19:52,806 INFO L85 PathProgramCache]: Analyzing trace with hash -940808625, now seen corresponding path program 2 times [2022-11-23 04:19:52,806 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-23 04:19:52,806 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1454949916] [2022-11-23 04:19:52,806 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 04:19:52,806 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 04:19:52,824 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4f2af11-4c57-4137-87e3-aa695ca6ee4d/bin/uautomizer-QkZJyEgLgS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2022-11-23 04:19:54,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 04:20:00,438 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-11-23 04:20:00,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 04:20:00,443 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-11-23 04:20:00,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 04:20:00,487 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-11-23 04:20:00,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 04:20:00,495 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 04:20:00,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 04:20:00,500 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-23 04:20:00,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 04:20:00,504 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-23 04:20:00,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 04:20:00,508 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2022-11-23 04:20:00,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 04:20:00,517 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 04:20:00,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 04:20:00,521 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-23 04:20:00,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 04:20:00,525 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-23 04:20:00,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 04:20:00,529 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2022-11-23 04:20:00,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 04:20:00,560 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2022-11-23 04:20:00,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 04:20:00,564 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2022-11-23 04:20:00,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 04:20:00,569 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 04:20:00,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 04:20:00,573 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2022-11-23 04:20:00,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 04:20:00,577 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2022-11-23 04:20:00,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 04:20:00,581 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-11-23 04:20:00,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 04:20:00,586 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2022-11-23 04:20:00,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 04:20:00,594 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 04:20:00,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 04:20:00,598 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-23 04:20:00,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 04:20:00,602 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-23 04:20:00,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 04:20:00,606 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2022-11-23 04:20:00,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 04:20:00,610 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2022-11-23 04:20:00,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 04:20:00,619 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 04:20:00,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 04:20:00,622 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-23 04:20:00,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 04:20:00,626 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-23 04:20:00,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 04:20:00,630 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2022-11-23 04:20:00,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 04:20:00,635 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2022-11-23 04:20:00,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 04:20:00,642 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 04:20:00,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 04:20:00,646 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-23 04:20:00,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 04:20:00,650 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-23 04:20:00,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 04:20:00,654 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2022-11-23 04:20:00,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 04:20:00,769 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2022-11-23 04:20:00,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 04:20:00,898 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-23 04:20:00,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 04:20:00,918 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-23 04:20:00,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 04:20:00,928 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 04:20:00,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 04:20:00,932 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-11-23 04:20:00,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 04:20:00,936 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-11-23 04:20:00,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 04:20:00,940 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-11-23 04:20:00,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 04:20:00,944 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2022-11-23 04:20:00,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 04:20:00,950 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 04:20:00,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 04:20:00,954 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2022-11-23 04:20:00,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 04:20:00,959 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 248 [2022-11-23 04:20:00,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 04:20:00,964 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 04:20:00,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 04:20:00,969 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 04:20:00,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 04:20:00,973 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 264 [2022-11-23 04:20:00,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 04:20:00,978 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 268 [2022-11-23 04:20:00,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 04:20:00,982 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 274 [2022-11-23 04:20:00,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 04:20:00,986 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 279 [2022-11-23 04:20:00,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 04:20:00,991 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 285 [2022-11-23 04:20:00,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 04:20:01,000 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 04:20:01,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 04:20:01,004 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-23 04:20:01,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 04:20:01,008 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-23 04:20:01,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 04:20:01,012 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 307 [2022-11-23 04:20:01,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 04:20:02,301 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-23 04:20:02,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 04:20:03,562 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-23 04:20:03,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 04:20:03,569 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 04:20:03,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 04:20:03,571 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-11-23 04:20:03,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 04:20:03,574 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-11-23 04:20:03,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 04:20:03,577 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-11-23 04:20:03,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 04:20:03,580 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2022-11-23 04:20:03,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 04:20:03,586 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 04:20:03,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 04:20:03,590 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2022-11-23 04:20:03,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 04:20:03,655 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 04:20:03,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 04:20:03,658 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-11-23 04:20:03,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 04:20:03,660 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-11-23 04:20:03,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 04:20:03,662 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-11-23 04:20:03,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 04:20:03,664 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2022-11-23 04:20:03,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 04:20:03,669 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 04:20:03,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 04:20:03,671 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2022-11-23 04:20:03,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 04:20:03,675 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2022-11-23 04:20:03,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 04:20:03,679 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2022-11-23 04:20:03,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 04:20:03,684 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 04:20:03,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 04:20:03,688 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2022-11-23 04:20:03,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 04:20:04,167 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 04:20:04,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 04:20:05,091 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 04:20:05,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 04:20:05,095 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-11-23 04:20:05,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 04:20:05,100 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-11-23 04:20:05,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 04:20:05,296 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-11-23 04:20:05,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 04:20:05,569 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-11-23 04:20:05,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 04:20:05,582 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 04:20:05,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 04:20:05,588 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 04:20:05,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 04:20:05,592 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2022-11-23 04:20:05,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 04:20:06,153 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2022-11-23 04:20:06,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 04:20:06,159 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 04:20:06,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 04:20:06,165 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2022-11-23 04:20:06,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 04:20:06,170 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 505 [2022-11-23 04:20:06,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 04:20:06,176 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 510 [2022-11-23 04:20:06,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 04:20:06,183 INFO L134 CoverageAnalysis]: Checked inductivity of 2149 backedges. 131 proven. 7 refuted. 0 times theorem prover too weak. 2011 trivial. 0 not checked. [2022-11-23 04:20:06,183 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-23 04:20:06,184 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1454949916] [2022-11-23 04:20:06,185 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1454949916] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-23 04:20:06,185 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [611525941] [2022-11-23 04:20:06,186 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-11-23 04:20:06,186 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-23 04:20:06,186 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4f2af11-4c57-4137-87e3-aa695ca6ee4d/bin/uautomizer-QkZJyEgLgS/z3 [2022-11-23 04:20:06,187 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4f2af11-4c57-4137-87e3-aa695ca6ee4d/bin/uautomizer-QkZJyEgLgS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-23 04:20:06,196 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4f2af11-4c57-4137-87e3-aa695ca6ee4d/bin/uautomizer-QkZJyEgLgS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process