./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 c3fed411 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-drivers-clk1_drivers-net-can-mcp251x.cil.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 4230dcd825d3a8c4f2993182656471f5db1d08c7b5deb32f72a092968196ad9c --- Real Ultimate output --- This is Ultimate 0.2.2-tmp.no-commuhash-c3fed41 [2021-12-18 12:03:10,837 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-18 12:03:10,845 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-18 12:03:10,905 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-18 12:03:10,906 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-18 12:03:10,908 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-18 12:03:10,909 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-18 12:03:10,910 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-18 12:03:10,912 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-18 12:03:10,912 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-18 12:03:10,913 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-18 12:03:10,914 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-18 12:03:10,915 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-18 12:03:10,916 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-18 12:03:10,917 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-18 12:03:10,918 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-18 12:03:10,919 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-18 12:03:10,920 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-18 12:03:10,921 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-18 12:03:10,923 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-18 12:03:10,925 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-18 12:03:10,926 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-18 12:03:10,927 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-18 12:03:10,928 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-18 12:03:10,931 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-18 12:03:10,931 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-18 12:03:10,931 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-18 12:03:10,932 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-18 12:03:10,933 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-18 12:03:10,934 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-18 12:03:10,934 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-18 12:03:10,935 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-18 12:03:10,935 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-18 12:03:10,936 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-18 12:03:10,937 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-18 12:03:10,937 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-18 12:03:10,938 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-18 12:03:10,938 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-18 12:03:10,938 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-18 12:03:10,939 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-18 12:03:10,940 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-18 12:03:10,941 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2021-12-18 12:03:10,960 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-18 12:03:10,961 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-18 12:03:10,961 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-18 12:03:10,961 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-18 12:03:10,962 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-18 12:03:10,962 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-18 12:03:10,963 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-18 12:03:10,963 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-18 12:03:10,963 INFO L138 SettingsManager]: * Use SBE=true [2021-12-18 12:03:10,964 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-18 12:03:10,964 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-18 12:03:10,964 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-18 12:03:10,964 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-18 12:03:10,964 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-18 12:03:10,965 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-18 12:03:10,965 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-18 12:03:10,965 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-18 12:03:10,965 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-18 12:03:10,965 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-18 12:03:10,966 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-18 12:03:10,966 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-18 12:03:10,966 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-18 12:03:10,966 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-18 12:03:10,966 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-18 12:03:10,967 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-18 12:03:10,967 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-18 12:03:10,967 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-18 12:03:10,967 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-18 12:03:10,967 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-18 12:03:10,968 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-18 12:03:10,968 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-18 12:03:10,968 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4230dcd825d3a8c4f2993182656471f5db1d08c7b5deb32f72a092968196ad9c [2021-12-18 12:03:11,211 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-18 12:03:11,235 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-18 12:03:11,238 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-18 12:03:11,239 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-18 12:03:11,240 INFO L275 PluginConnector]: CDTParser initialized [2021-12-18 12:03:11,241 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-drivers-clk1_drivers-net-can-mcp251x.cil.i [2021-12-18 12:03:11,315 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f76383f27/7af4a2e618df41ceb436f255bbb59d1b/FLAG4f081e4e2 [2021-12-18 12:03:12,055 INFO L306 CDTParser]: Found 1 translation units. [2021-12-18 12:03:12,057 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-drivers-clk1_drivers-net-can-mcp251x.cil.i [2021-12-18 12:03:12,112 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f76383f27/7af4a2e618df41ceb436f255bbb59d1b/FLAG4f081e4e2 [2021-12-18 12:03:12,154 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f76383f27/7af4a2e618df41ceb436f255bbb59d1b [2021-12-18 12:03:12,156 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-18 12:03:12,157 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-18 12:03:12,158 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-18 12:03:12,158 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-18 12:03:12,163 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-18 12:03:12,164 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.12 12:03:12" (1/1) ... [2021-12-18 12:03:12,164 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4acfd4d4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 12:03:12, skipping insertion in model container [2021-12-18 12:03:12,165 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.12 12:03:12" (1/1) ... [2021-12-18 12:03:12,170 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-18 12:03:12,289 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-18 12:03:13,888 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-drivers-clk1_drivers-net-can-mcp251x.cil.i[256140,256153] [2021-12-18 12:03:13,906 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-18 12:03:13,934 INFO L203 MainTranslator]: Completed pre-run [2021-12-18 12:03:14,234 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-drivers-clk1_drivers-net-can-mcp251x.cil.i[256140,256153] [2021-12-18 12:03:14,240 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-18 12:03:14,339 INFO L208 MainTranslator]: Completed translation [2021-12-18 12:03:14,340 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 12:03:14 WrapperNode [2021-12-18 12:03:14,340 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-18 12:03:14,341 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-18 12:03:14,342 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-18 12:03:14,342 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-18 12:03:14,348 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 12:03:14" (1/1) ... [2021-12-18 12:03:14,413 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 12:03:14" (1/1) ... [2021-12-18 12:03:14,539 INFO L137 Inliner]: procedures = 287, calls = 1398, calls flagged for inlining = 167, calls inlined = 163, statements flattened = 3687 [2021-12-18 12:03:14,540 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-18 12:03:14,541 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-18 12:03:14,541 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-18 12:03:14,541 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-18 12:03:14,550 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 12:03:14" (1/1) ... [2021-12-18 12:03:14,550 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 12:03:14" (1/1) ... [2021-12-18 12:03:14,614 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 12:03:14" (1/1) ... [2021-12-18 12:03:14,615 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 12:03:14" (1/1) ... [2021-12-18 12:03:14,717 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 12:03:14" (1/1) ... [2021-12-18 12:03:14,738 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 12:03:14" (1/1) ... [2021-12-18 12:03:14,764 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 12:03:14" (1/1) ... [2021-12-18 12:03:14,793 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-18 12:03:14,795 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-18 12:03:14,795 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-18 12:03:14,796 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-18 12:03:14,797 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 12:03:14" (1/1) ... [2021-12-18 12:03:14,804 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-18 12:03:14,813 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-18 12:03:14,829 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-12-18 12:03:14,855 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-12-18 12:03:14,874 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-12-18 12:03:14,875 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-12-18 12:03:14,875 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2021-12-18 12:03:14,875 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2021-12-18 12:03:14,875 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2021-12-18 12:03:14,875 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2021-12-18 12:03:14,875 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2021-12-18 12:03:14,876 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2021-12-18 12:03:14,876 INFO L130 BoogieDeclarations]: Found specification of procedure spi_sync [2021-12-18 12:03:14,876 INFO L138 BoogieDeclarations]: Found implementation of procedure spi_sync [2021-12-18 12:03:14,876 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-12-18 12:03:14,876 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-12-18 12:03:14,876 INFO L130 BoogieDeclarations]: Found specification of procedure mcp251x_open_clean [2021-12-18 12:03:14,877 INFO L138 BoogieDeclarations]: Found implementation of procedure mcp251x_open_clean [2021-12-18 12:03:14,877 INFO L130 BoogieDeclarations]: Found specification of procedure free_irq [2021-12-18 12:03:14,877 INFO L138 BoogieDeclarations]: Found implementation of procedure free_irq [2021-12-18 12:03:14,877 INFO L130 BoogieDeclarations]: Found specification of procedure devm_regulator_get [2021-12-18 12:03:14,877 INFO L138 BoogieDeclarations]: Found implementation of procedure devm_regulator_get [2021-12-18 12:03:14,877 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2021-12-18 12:03:14,878 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2021-12-18 12:03:14,878 INFO L130 BoogieDeclarations]: Found specification of procedure mcp251x_spi_trans [2021-12-18 12:03:14,878 INFO L138 BoogieDeclarations]: Found implementation of procedure mcp251x_spi_trans [2021-12-18 12:03:14,878 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_post_probe [2021-12-18 12:03:14,878 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_post_probe [2021-12-18 12:03:14,878 INFO L130 BoogieDeclarations]: Found specification of procedure mcp251x_read_reg [2021-12-18 12:03:14,879 INFO L138 BoogieDeclarations]: Found implementation of procedure mcp251x_read_reg [2021-12-18 12:03:14,879 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-12-18 12:03:14,879 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2021-12-18 12:03:14,879 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2021-12-18 12:03:14,879 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-12-18 12:03:14,879 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2021-12-18 12:03:14,880 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2021-12-18 12:03:14,880 INFO L130 BoogieDeclarations]: Found specification of procedure mcp251x_stop [2021-12-18 12:03:14,880 INFO L138 BoogieDeclarations]: Found implementation of procedure mcp251x_stop [2021-12-18 12:03:14,880 INFO L130 BoogieDeclarations]: Found specification of procedure mcp251x_write_bits [2021-12-18 12:03:14,880 INFO L138 BoogieDeclarations]: Found implementation of procedure mcp251x_write_bits [2021-12-18 12:03:14,880 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2021-12-18 12:03:14,881 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2021-12-18 12:03:14,881 INFO L130 BoogieDeclarations]: Found specification of procedure netif_rx_ni [2021-12-18 12:03:14,881 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_rx_ni [2021-12-18 12:03:14,881 INFO L130 BoogieDeclarations]: Found specification of procedure can_led_event [2021-12-18 12:03:14,882 INFO L138 BoogieDeclarations]: Found implementation of procedure can_led_event [2021-12-18 12:03:14,882 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-12-18 12:03:14,882 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-12-18 12:03:14,882 INFO L130 BoogieDeclarations]: Found specification of procedure spi_message_add_tail [2021-12-18 12:03:14,882 INFO L138 BoogieDeclarations]: Found implementation of procedure spi_message_add_tail [2021-12-18 12:03:14,882 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pre_probe [2021-12-18 12:03:14,883 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pre_probe [2021-12-18 12:03:14,883 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_nested [2021-12-18 12:03:14,883 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_nested [2021-12-18 12:03:14,883 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2021-12-18 12:03:14,883 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2021-12-18 12:03:14,883 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2021-12-18 12:03:14,884 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2021-12-18 12:03:14,884 INFO L130 BoogieDeclarations]: Found specification of procedure to_spi_device [2021-12-18 12:03:14,884 INFO L138 BoogieDeclarations]: Found implementation of procedure to_spi_device [2021-12-18 12:03:14,884 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2021-12-18 12:03:14,884 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2021-12-18 12:03:14,884 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_init_map [2021-12-18 12:03:14,885 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_init_map [2021-12-18 12:03:14,885 INFO L130 BoogieDeclarations]: Found specification of procedure close_candev [2021-12-18 12:03:14,885 INFO L138 BoogieDeclarations]: Found implementation of procedure close_candev [2021-12-18 12:03:14,885 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_irq [2021-12-18 12:03:14,885 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_irq [2021-12-18 12:03:14,885 INFO L130 BoogieDeclarations]: Found specification of procedure schedule [2021-12-18 12:03:14,886 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule [2021-12-18 12:03:14,886 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2021-12-18 12:03:14,886 INFO L130 BoogieDeclarations]: Found specification of procedure mcp251x_set_normal_mode [2021-12-18 12:03:14,886 INFO L138 BoogieDeclarations]: Found implementation of procedure mcp251x_set_normal_mode [2021-12-18 12:03:14,886 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2021-12-18 12:03:14,886 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2021-12-18 12:03:14,886 INFO L130 BoogieDeclarations]: Found specification of procedure mcp251x_can_remove [2021-12-18 12:03:14,887 INFO L138 BoogieDeclarations]: Found implementation of procedure mcp251x_can_remove [2021-12-18 12:03:14,887 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2021-12-18 12:03:14,887 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2021-12-18 12:03:14,887 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2021-12-18 12:03:14,887 INFO L130 BoogieDeclarations]: Found specification of procedure mcp251x_error_skb [2021-12-18 12:03:14,887 INFO L138 BoogieDeclarations]: Found implementation of procedure mcp251x_error_skb [2021-12-18 12:03:14,888 INFO L130 BoogieDeclarations]: Found specification of procedure mcp251x_hw_sleep [2021-12-18 12:03:14,888 INFO L138 BoogieDeclarations]: Found implementation of procedure mcp251x_hw_sleep [2021-12-18 12:03:14,888 INFO L130 BoogieDeclarations]: Found specification of procedure dma_free_attrs [2021-12-18 12:03:14,888 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_free_attrs [2021-12-18 12:03:14,888 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-12-18 12:03:14,888 INFO L130 BoogieDeclarations]: Found specification of procedure mcp251x_clean [2021-12-18 12:03:14,889 INFO L138 BoogieDeclarations]: Found implementation of procedure mcp251x_clean [2021-12-18 12:03:14,889 INFO L130 BoogieDeclarations]: Found specification of procedure regulator_disable [2021-12-18 12:03:14,889 INFO L138 BoogieDeclarations]: Found implementation of procedure regulator_disable [2021-12-18 12:03:14,889 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2021-12-18 12:03:14,889 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2021-12-18 12:03:14,889 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_drivers_clk1__more_at_exit [2021-12-18 12:03:14,890 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_drivers_clk1__more_at_exit [2021-12-18 12:03:14,890 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2021-12-18 12:03:14,890 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2021-12-18 12:03:14,890 INFO L130 BoogieDeclarations]: Found specification of procedure mcp251x_power_enable [2021-12-18 12:03:14,890 INFO L138 BoogieDeclarations]: Found implementation of procedure mcp251x_power_enable [2021-12-18 12:03:14,890 INFO L130 BoogieDeclarations]: Found specification of procedure mcp251x_can_suspend [2021-12-18 12:03:14,890 INFO L138 BoogieDeclarations]: Found implementation of procedure mcp251x_can_suspend [2021-12-18 12:03:14,891 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-12-18 12:03:14,891 INFO L130 BoogieDeclarations]: Found specification of procedure mcp251x_open [2021-12-18 12:03:14,891 INFO L138 BoogieDeclarations]: Found implementation of procedure mcp251x_open [2021-12-18 12:03:14,891 INFO L130 BoogieDeclarations]: Found specification of procedure mcp251x_can_probe [2021-12-18 12:03:14,891 INFO L138 BoogieDeclarations]: Found implementation of procedure mcp251x_can_probe [2021-12-18 12:03:14,891 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2021-12-18 12:03:14,892 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2021-12-18 12:03:14,892 INFO L130 BoogieDeclarations]: Found specification of procedure mcp251x_can_resume [2021-12-18 12:03:14,892 INFO L138 BoogieDeclarations]: Found implementation of procedure mcp251x_can_resume [2021-12-18 12:03:14,892 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-12-18 12:03:14,892 INFO L130 BoogieDeclarations]: Found specification of procedure mcp251x_hw_reset [2021-12-18 12:03:14,892 INFO L138 BoogieDeclarations]: Found implementation of procedure mcp251x_hw_reset [2021-12-18 12:03:14,893 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-18 12:03:14,893 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2021-12-18 12:03:14,893 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2021-12-18 12:03:14,893 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2021-12-18 12:03:14,893 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2021-12-18 12:03:14,893 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-12-18 12:03:14,893 INFO L130 BoogieDeclarations]: Found specification of procedure spi_message_init [2021-12-18 12:03:14,894 INFO L138 BoogieDeclarations]: Found implementation of procedure spi_message_init [2021-12-18 12:03:14,894 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2021-12-18 12:03:14,894 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2021-12-18 12:03:14,894 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2021-12-18 12:03:14,894 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2021-12-18 12:03:14,895 INFO L130 BoogieDeclarations]: Found specification of procedure spi_get_drvdata [2021-12-18 12:03:14,895 INFO L138 BoogieDeclarations]: Found implementation of procedure spi_get_drvdata [2021-12-18 12:03:14,895 INFO L130 BoogieDeclarations]: Found specification of procedure PTR_ERR [2021-12-18 12:03:14,895 INFO L138 BoogieDeclarations]: Found implementation of procedure PTR_ERR [2021-12-18 12:03:14,895 INFO L130 BoogieDeclarations]: Found specification of procedure mcp251x_setup [2021-12-18 12:03:14,895 INFO L138 BoogieDeclarations]: Found implementation of procedure mcp251x_setup [2021-12-18 12:03:14,896 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2021-12-18 12:03:14,896 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2021-12-18 12:03:14,896 INFO L130 BoogieDeclarations]: Found specification of procedure devm_kzalloc [2021-12-18 12:03:14,896 INFO L138 BoogieDeclarations]: Found implementation of procedure devm_kzalloc [2021-12-18 12:03:14,896 INFO L130 BoogieDeclarations]: Found specification of procedure __init_work [2021-12-18 12:03:14,896 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_work [2021-12-18 12:03:14,896 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2021-12-18 12:03:14,897 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2021-12-18 12:03:14,897 INFO L130 BoogieDeclarations]: Found specification of procedure mcp251x_hw_rx [2021-12-18 12:03:14,897 INFO L138 BoogieDeclarations]: Found implementation of procedure mcp251x_hw_rx [2021-12-18 12:03:14,897 INFO L130 BoogieDeclarations]: Found specification of procedure mcp251x_is_2510 [2021-12-18 12:03:14,897 INFO L138 BoogieDeclarations]: Found implementation of procedure mcp251x_is_2510 [2021-12-18 12:03:14,897 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-18 12:03:14,898 INFO L130 BoogieDeclarations]: Found specification of procedure free_candev [2021-12-18 12:03:14,898 INFO L138 BoogieDeclarations]: Found implementation of procedure free_candev [2021-12-18 12:03:14,898 INFO L130 BoogieDeclarations]: Found specification of procedure mcp251x_write_reg [2021-12-18 12:03:14,898 INFO L138 BoogieDeclarations]: Found implementation of procedure mcp251x_write_reg [2021-12-18 12:03:14,898 INFO L130 BoogieDeclarations]: Found specification of procedure queue_work [2021-12-18 12:03:14,898 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_work [2021-12-18 12:03:14,898 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2021-12-18 12:03:14,899 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2021-12-18 12:03:14,899 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-18 12:03:14,899 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-18 12:03:14,899 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2021-12-18 12:03:14,899 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2021-12-18 12:03:15,486 INFO L236 CfgBuilder]: Building ICFG [2021-12-18 12:03:15,489 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-18 12:03:15,894 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2021-12-18 12:03:53,584 INFO L277 CfgBuilder]: Performing block encoding [2021-12-18 12:03:53,599 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-18 12:03:53,599 INFO L301 CfgBuilder]: Removed 0 assume(true) statements. [2021-12-18 12:03:53,602 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.12 12:03:53 BoogieIcfgContainer [2021-12-18 12:03:53,602 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-18 12:03:53,604 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-18 12:03:53,604 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-18 12:03:53,607 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-18 12:03:53,608 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.12 12:03:12" (1/3) ... [2021-12-18 12:03:53,608 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2e32395b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.12 12:03:53, skipping insertion in model container [2021-12-18 12:03:53,608 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 12:03:14" (2/3) ... [2021-12-18 12:03:53,609 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2e32395b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.12 12:03:53, skipping insertion in model container [2021-12-18 12:03:53,609 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.12 12:03:53" (3/3) ... [2021-12-18 12:03:53,610 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-3.14_linux-drivers-clk1_drivers-net-can-mcp251x.cil.i [2021-12-18 12:03:53,614 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-18 12:03:53,614 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-12-18 12:03:53,659 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-18 12:03:53,665 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-12-18 12:03:53,665 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-12-18 12:03:53,702 INFO L276 IsEmpty]: Start isEmpty. Operand has 1214 states, 825 states have (on average 1.2484848484848485) internal successors, (1030), 862 states have internal predecessors, (1030), 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) [2021-12-18 12:03:53,708 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2021-12-18 12:03:53,708 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 12:03:53,709 INFO L514 BasicCegarLoop]: 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] [2021-12-18 12:03:53,709 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_assert_linux_drivers_clk1__more_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_drivers_clk1__more_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-18 12:03:53,713 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 12:03:53,714 INFO L85 PathProgramCache]: Analyzing trace with hash 2078228441, now seen corresponding path program 1 times [2021-12-18 12:03:53,721 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 12:03:53,722 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [755042082] [2021-12-18 12:03:53,722 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 12:03:53,723 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 12:03:54,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:03:54,778 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-12-18 12:03:54,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:03:54,799 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-18 12:03:54,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:03:54,815 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2021-12-18 12:03:54,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:03:54,826 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 12:03:54,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:03:54,832 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2021-12-18 12:03:54,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:03:54,840 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2021-12-18 12:03:54,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:03:54,848 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2021-12-18 12:03:54,849 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 12:03:54,849 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [755042082] [2021-12-18 12:03:54,850 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [755042082] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 12:03:54,850 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 12:03:54,850 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-18 12:03:54,851 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [18056250] [2021-12-18 12:03:54,852 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 12:03:54,855 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-12-18 12:03:54,856 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 12:03:54,877 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-12-18 12:03:54,878 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-12-18 12:03:54,883 INFO L87 Difference]: Start difference. First operand has 1214 states, 825 states have (on average 1.2484848484848485) internal successors, (1030), 862 states have internal predecessors, (1030), 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) [2021-12-18 12:03:55,269 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 12:03:55,270 INFO L93 Difference]: Finished difference Result 3598 states and 5032 transitions. [2021-12-18 12:03:55,271 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-18 12:03:55,273 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 [2021-12-18 12:03:55,274 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 12:03:55,318 INFO L225 Difference]: With dead ends: 3598 [2021-12-18 12:03:55,318 INFO L226 Difference]: Without dead ends: 2381 [2021-12-18 12:03:55,338 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2021-12-18 12:03:55,343 INFO L933 BasicCegarLoop]: 2213 mSDtfsCounter, 1664 mSDsluCounter, 6073 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1666 SdHoareTripleChecker+Valid, 8286 SdHoareTripleChecker+Invalid, 14 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-12-18 12:03:55,343 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1666 Valid, 8286 Invalid, 14 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-12-18 12:03:55,363 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2381 states. [2021-12-18 12:03:55,527 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2381 to 2379. [2021-12-18 12:03:55,533 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2379 states, 1626 states have (on average 1.2404674046740467) internal successors, (2017), 1688 states have internal predecessors, (2017), 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) [2021-12-18 12:03:55,572 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2379 states to 2379 states and 3293 transitions. [2021-12-18 12:03:55,575 INFO L78 Accepts]: Start accepts. Automaton has 2379 states and 3293 transitions. Word has length 48 [2021-12-18 12:03:55,576 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 12:03:55,576 INFO L470 AbstractCegarLoop]: Abstraction has 2379 states and 3293 transitions. [2021-12-18 12:03:55,577 INFO L471 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) [2021-12-18 12:03:55,577 INFO L276 IsEmpty]: Start isEmpty. Operand 2379 states and 3293 transitions. [2021-12-18 12:03:55,581 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2021-12-18 12:03:55,581 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 12:03:55,582 INFO L514 BasicCegarLoop]: 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] [2021-12-18 12:03:55,582 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-12-18 12:03:55,582 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_assert_linux_drivers_clk1__more_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_drivers_clk1__more_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-18 12:03:55,583 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 12:03:55,583 INFO L85 PathProgramCache]: Analyzing trace with hash -2117875097, now seen corresponding path program 1 times [2021-12-18 12:03:55,584 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 12:03:55,584 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [340021766] [2021-12-18 12:03:55,584 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 12:03:55,584 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 12:03:55,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:03:56,118 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-12-18 12:03:56,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:03:56,127 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-18 12:03:56,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:03:56,138 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2021-12-18 12:03:56,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:03:56,146 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 12:03:56,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:03:56,152 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2021-12-18 12:03:56,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:03:56,159 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2021-12-18 12:03:56,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:03:56,166 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2021-12-18 12:03:56,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:03:56,178 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2021-12-18 12:03:56,178 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 12:03:56,179 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [340021766] [2021-12-18 12:03:56,179 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [340021766] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 12:03:56,179 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 12:03:56,179 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-18 12:03:56,180 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1378707921] [2021-12-18 12:03:56,180 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 12:03:56,182 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-12-18 12:03:56,182 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 12:03:56,182 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-12-18 12:03:56,183 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-12-18 12:03:56,183 INFO L87 Difference]: Start difference. First operand 2379 states and 3293 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) [2021-12-18 12:03:56,423 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 12:03:56,423 INFO L93 Difference]: Finished difference Result 2385 states and 3298 transitions. [2021-12-18 12:03:56,424 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-12-18 12:03:56,424 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 [2021-12-18 12:03:56,425 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 12:03:56,440 INFO L225 Difference]: With dead ends: 2385 [2021-12-18 12:03:56,440 INFO L226 Difference]: Without dead ends: 2352 [2021-12-18 12:03:56,442 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2021-12-18 12:03:56,444 INFO L933 BasicCegarLoop]: 1640 mSDtfsCounter, 1620 mSDsluCounter, 3271 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1620 SdHoareTripleChecker+Valid, 4911 SdHoareTripleChecker+Invalid, 8 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 6 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-12-18 12:03:56,444 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1620 Valid, 4911 Invalid, 8 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 6 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-12-18 12:03:56,448 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2352 states. [2021-12-18 12:03:56,522 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2352 to 2352. [2021-12-18 12:03:56,527 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2352 states, 1607 states have (on average 1.24019912881145) internal successors, (1993), 1667 states have internal predecessors, (1993), 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) [2021-12-18 12:03:56,545 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2352 states to 2352 states and 3260 transitions. [2021-12-18 12:03:56,545 INFO L78 Accepts]: Start accepts. Automaton has 2352 states and 3260 transitions. Word has length 53 [2021-12-18 12:03:56,546 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 12:03:56,546 INFO L470 AbstractCegarLoop]: Abstraction has 2352 states and 3260 transitions. [2021-12-18 12:03:56,547 INFO L471 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) [2021-12-18 12:03:56,547 INFO L276 IsEmpty]: Start isEmpty. Operand 2352 states and 3260 transitions. [2021-12-18 12:03:56,568 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 266 [2021-12-18 12:03:56,568 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 12:03:56,569 INFO L514 BasicCegarLoop]: 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] [2021-12-18 12:03:56,569 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-12-18 12:03:56,569 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_assert_linux_drivers_clk1__more_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_drivers_clk1__more_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-18 12:03:56,577 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 12:03:56,577 INFO L85 PathProgramCache]: Analyzing trace with hash 404406822, now seen corresponding path program 1 times [2021-12-18 12:03:56,577 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 12:03:56,578 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1056350694] [2021-12-18 12:03:56,578 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 12:03:56,578 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 12:03:56,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:03:57,080 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-12-18 12:03:57,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:03:57,087 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-18 12:03:57,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:03:57,092 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2021-12-18 12:03:57,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:03:57,097 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 12:03:57,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:03:57,102 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2021-12-18 12:03:57,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:03:57,107 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2021-12-18 12:03:57,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:03:57,112 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2021-12-18 12:03:57,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:03:57,155 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2021-12-18 12:03:57,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:03:57,165 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 12:03:57,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:03:57,170 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 12:03:57,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:03:57,175 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-18 12:03:57,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:03:57,179 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2021-12-18 12:03:57,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:03:57,185 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2021-12-18 12:03:57,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:03:57,193 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 12:03:57,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:03:57,198 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 12:03:57,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:03:57,204 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-18 12:03:57,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:03:57,208 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2021-12-18 12:03:57,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:03:57,213 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2021-12-18 12:03:57,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:03:57,222 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 12:03:57,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:03:57,228 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 12:03:57,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:03:57,233 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-18 12:03:57,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:03:57,238 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2021-12-18 12:03:57,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:03:57,341 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2021-12-18 12:03:57,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:03:57,482 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-18 12:03:57,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:03:57,743 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-18 12:03:57,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:03:57,754 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 12:03:57,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:03:57,762 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2021-12-18 12:03:57,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:03:57,770 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 12:03:57,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:03:57,776 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2021-12-18 12:03:57,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:03:57,789 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 12:03:57,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:03:57,797 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2021-12-18 12:03:57,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:03:57,812 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 12:03:57,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:03:57,820 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2021-12-18 12:03:57,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:03:57,832 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2021-12-18 12:03:57,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:03:57,839 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 211 [2021-12-18 12:03:57,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:03:57,848 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 12:03:57,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:03:57,856 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 12:03:57,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:03:57,913 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2021-12-18 12:03:57,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:03:57,922 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 231 [2021-12-18 12:03:57,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:03:57,929 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 237 [2021-12-18 12:03:57,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:03:57,935 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 242 [2021-12-18 12:03:57,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:03:57,941 INFO L134 CoverageAnalysis]: Checked inductivity of 428 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 425 trivial. 0 not checked. [2021-12-18 12:03:57,942 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 12:03:57,944 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1056350694] [2021-12-18 12:03:57,944 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1056350694] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 12:03:57,944 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 12:03:57,944 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-12-18 12:03:57,945 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [72985818] [2021-12-18 12:03:57,945 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 12:03:57,946 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2021-12-18 12:03:57,946 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 12:03:57,947 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-12-18 12:03:57,947 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=67, Unknown=0, NotChecked=0, Total=90 [2021-12-18 12:03:57,948 INFO L87 Difference]: Start difference. First operand 2352 states and 3260 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) [2021-12-18 12:04:00,004 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 12:04:09,306 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.49s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 12:04:10,966 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.07s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 12:04:15,999 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 12:04:15,999 INFO L93 Difference]: Finished difference Result 5032 states and 7182 transitions. [2021-12-18 12:04:16,001 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-12-18 12:04:16,001 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 [2021-12-18 12:04:16,002 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 12:04:16,023 INFO L225 Difference]: With dead ends: 5032 [2021-12-18 12:04:16,023 INFO L226 Difference]: Without dead ends: 2697 [2021-12-18 12:04:16,037 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 93 GetRequests, 82 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 22 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=41, Invalid=115, Unknown=0, NotChecked=0, Total=156 [2021-12-18 12:04:16,039 INFO L933 BasicCegarLoop]: 1691 mSDtfsCounter, 1482 mSDsluCounter, 7163 mSDsCounter, 0 mSdLazyCounter, 2061 mSolverCounterSat, 1298 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 16.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1572 SdHoareTripleChecker+Valid, 8854 SdHoareTripleChecker+Invalid, 3360 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1298 IncrementalHoareTripleChecker+Valid, 2061 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 17.6s IncrementalHoareTripleChecker+Time [2021-12-18 12:04:16,039 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1572 Valid, 8854 Invalid, 3360 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1298 Valid, 2061 Invalid, 1 Unknown, 0 Unchecked, 17.6s Time] [2021-12-18 12:04:16,043 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2697 states. [2021-12-18 12:04:16,147 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2697 to 2549. [2021-12-18 12:04:16,152 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2549 states, 1755 states have (on average 1.2444444444444445) internal successors, (2184), 1821 states have internal predecessors, (2184), 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) [2021-12-18 12:04:16,172 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2549 states to 2549 states and 3593 transitions. [2021-12-18 12:04:16,174 INFO L78 Accepts]: Start accepts. Automaton has 2549 states and 3593 transitions. Word has length 265 [2021-12-18 12:04:16,176 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 12:04:16,176 INFO L470 AbstractCegarLoop]: Abstraction has 2549 states and 3593 transitions. [2021-12-18 12:04:16,177 INFO L471 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) [2021-12-18 12:04:16,177 INFO L276 IsEmpty]: Start isEmpty. Operand 2549 states and 3593 transitions. [2021-12-18 12:04:16,186 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 357 [2021-12-18 12:04:16,187 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 12:04:16,187 INFO L514 BasicCegarLoop]: 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] [2021-12-18 12:04:16,187 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-12-18 12:04:16,190 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_assert_linux_drivers_clk1__more_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_drivers_clk1__more_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-18 12:04:16,193 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 12:04:16,193 INFO L85 PathProgramCache]: Analyzing trace with hash -2073343996, now seen corresponding path program 1 times [2021-12-18 12:04:16,194 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 12:04:16,194 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1118264260] [2021-12-18 12:04:16,194 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 12:04:16,194 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 12:04:16,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:04:16,740 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-12-18 12:04:16,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:04:16,746 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-18 12:04:16,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:04:16,757 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2021-12-18 12:04:16,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:04:16,764 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 12:04:16,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:04:16,769 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2021-12-18 12:04:16,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:04:16,777 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2021-12-18 12:04:16,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:04:16,783 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2021-12-18 12:04:16,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:04:16,833 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2021-12-18 12:04:16,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:04:16,842 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 12:04:16,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:04:16,847 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 12:04:16,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:04:16,853 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-18 12:04:16,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:04:16,858 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2021-12-18 12:04:16,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:04:16,864 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2021-12-18 12:04:16,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:04:16,874 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 12:04:16,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:04:16,882 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 12:04:16,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:04:16,888 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-18 12:04:16,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:04:16,894 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2021-12-18 12:04:16,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:04:16,900 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2021-12-18 12:04:16,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:04:16,910 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 12:04:16,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:04:16,916 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 12:04:16,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:04:16,922 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-18 12:04:16,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:04:16,928 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2021-12-18 12:04:16,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:04:16,935 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2021-12-18 12:04:16,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:04:16,942 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 12:04:16,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:04:16,950 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 12:04:16,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:04:16,985 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2021-12-18 12:04:16,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:04:16,992 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2021-12-18 12:04:16,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:04:16,999 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-12-18 12:04:17,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:04:17,007 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2021-12-18 12:04:17,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:04:17,015 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-12-18 12:04:17,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:04:17,025 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 12:04:17,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:04:17,033 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 12:04:17,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:04:17,039 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-18 12:04:17,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:04:17,161 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2021-12-18 12:04:17,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:04:17,370 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-18 12:04:17,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:04:17,788 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-18 12:04:17,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:04:17,794 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 12:04:17,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:04:17,799 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2021-12-18 12:04:17,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:04:17,806 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 12:04:17,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:04:17,810 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2021-12-18 12:04:17,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:04:17,975 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 12:04:17,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:04:17,982 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2021-12-18 12:04:17,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:04:17,987 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 12:04:17,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:04:17,992 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2021-12-18 12:04:17,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:04:17,996 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2021-12-18 12:04:17,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:04:18,000 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2021-12-18 12:04:18,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:04:18,006 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 12:04:18,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:04:18,011 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 12:04:18,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:04:18,016 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2021-12-18 12:04:18,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:04:18,022 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 12:04:18,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:04:18,026 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 12:04:18,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:04:18,030 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-18 12:04:18,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:04:18,035 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2021-12-18 12:04:18,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:04:18,040 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 12:04:18,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:04:18,045 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2021-12-18 12:04:18,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:04:18,050 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 328 [2021-12-18 12:04:18,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:04:18,058 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 333 [2021-12-18 12:04:18,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:04:18,064 INFO L134 CoverageAnalysis]: Checked inductivity of 724 backedges. 5 proven. 4 refuted. 0 times theorem prover too weak. 715 trivial. 0 not checked. [2021-12-18 12:04:18,065 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 12:04:18,065 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1118264260] [2021-12-18 12:04:18,066 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1118264260] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-18 12:04:18,066 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [463240978] [2021-12-18 12:04:18,066 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 12:04:18,067 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-18 12:04:18,067 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-18 12:04:18,072 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-18 12:04:18,075 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-12-18 12:04:19,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:04:19,503 INFO L263 TraceCheckSpWp]: Trace formula consists of 4119 conjuncts, 10 conjunts are in the unsatisfiable core [2021-12-18 12:04:19,535 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-18 12:04:21,461 INFO L134 CoverageAnalysis]: Checked inductivity of 724 backedges. 334 proven. 0 refuted. 0 times theorem prover too weak. 390 trivial. 0 not checked. [2021-12-18 12:04:21,461 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-18 12:04:21,461 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [463240978] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 12:04:21,462 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-12-18 12:04:21,462 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [10] total 17 [2021-12-18 12:04:21,462 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1855029523] [2021-12-18 12:04:21,462 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 12:04:21,463 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2021-12-18 12:04:21,463 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 12:04:21,464 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-12-18 12:04:21,464 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=235, Unknown=0, NotChecked=0, Total=272 [2021-12-18 12:04:21,465 INFO L87 Difference]: Start difference. First operand 2549 states and 3593 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) [2021-12-18 12:04:23,172 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 12:04:23,173 INFO L93 Difference]: Finished difference Result 4925 states and 6920 transitions. [2021-12-18 12:04:23,173 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-12-18 12:04:23,174 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 [2021-12-18 12:04:23,174 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 12:04:23,191 INFO L225 Difference]: With dead ends: 4925 [2021-12-18 12:04:23,191 INFO L226 Difference]: Without dead ends: 2585 [2021-12-18 12:04:23,204 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 483 GetRequests, 465 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 57 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=49, Invalid=331, Unknown=0, NotChecked=0, Total=380 [2021-12-18 12:04:23,205 INFO L933 BasicCegarLoop]: 1625 mSDtfsCounter, 23 mSDsluCounter, 11282 mSDsCounter, 0 mSdLazyCounter, 293 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 26 SdHoareTripleChecker+Valid, 12907 SdHoareTripleChecker+Invalid, 294 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 293 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2021-12-18 12:04:23,205 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [26 Valid, 12907 Invalid, 294 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 293 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2021-12-18 12:04:23,209 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2585 states. [2021-12-18 12:04:23,305 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2585 to 2565. [2021-12-18 12:04:23,311 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2565 states, 1765 states have (on average 1.2436260623229463) internal successors, (2195), 1829 states have internal predecessors, (2195), 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) [2021-12-18 12:04:23,322 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2565 states to 2565 states and 3616 transitions. [2021-12-18 12:04:23,324 INFO L78 Accepts]: Start accepts. Automaton has 2565 states and 3616 transitions. Word has length 356 [2021-12-18 12:04:23,325 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 12:04:23,325 INFO L470 AbstractCegarLoop]: Abstraction has 2565 states and 3616 transitions. [2021-12-18 12:04:23,326 INFO L471 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) [2021-12-18 12:04:23,326 INFO L276 IsEmpty]: Start isEmpty. Operand 2565 states and 3616 transitions. [2021-12-18 12:04:23,336 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 398 [2021-12-18 12:04:23,336 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 12:04:23,337 INFO L514 BasicCegarLoop]: 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] [2021-12-18 12:04:23,374 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2021-12-18 12:04:23,547 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-18 12:04:23,547 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_assert_linux_drivers_clk1__more_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_drivers_clk1__more_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-18 12:04:23,548 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 12:04:23,548 INFO L85 PathProgramCache]: Analyzing trace with hash 1791053358, now seen corresponding path program 1 times [2021-12-18 12:04:23,548 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 12:04:23,548 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1101626731] [2021-12-18 12:04:23,548 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 12:04:23,549 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 12:04:23,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:04:24,054 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-12-18 12:04:24,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:04:24,063 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-18 12:04:24,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:04:24,068 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2021-12-18 12:04:24,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:04:24,072 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 12:04:24,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:04:24,076 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2021-12-18 12:04:24,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:04:24,083 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2021-12-18 12:04:24,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:04:24,087 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2021-12-18 12:04:24,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:04:24,137 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2021-12-18 12:04:24,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:04:24,148 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 12:04:24,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:04:24,156 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 12:04:24,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:04:24,161 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-18 12:04:24,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:04:24,167 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2021-12-18 12:04:24,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:04:24,177 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2021-12-18 12:04:24,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:04:24,184 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 12:04:24,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:04:24,188 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 12:04:24,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:04:24,193 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-18 12:04:24,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:04:24,197 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2021-12-18 12:04:24,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:04:24,202 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2021-12-18 12:04:24,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:04:24,210 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 12:04:24,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:04:24,215 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 12:04:24,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:04:24,219 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-18 12:04:24,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:04:24,223 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2021-12-18 12:04:24,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:04:24,340 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2021-12-18 12:04:24,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:04:24,466 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-18 12:04:24,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:04:24,481 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-18 12:04:24,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:04:24,487 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 12:04:24,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:04:24,492 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2021-12-18 12:04:24,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:04:24,498 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 12:04:24,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:04:24,503 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2021-12-18 12:04:24,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:04:24,508 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 12:04:24,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:04:24,512 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 12:04:24,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:04:24,544 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 188 [2021-12-18 12:04:24,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:04:24,551 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2021-12-18 12:04:24,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:04:24,555 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2021-12-18 12:04:24,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:04:24,560 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 203 [2021-12-18 12:04:24,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:04:24,564 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 209 [2021-12-18 12:04:24,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:04:24,579 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 12:04:24,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:04:24,584 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 12:04:24,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:04:24,588 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-18 12:04:24,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:04:24,592 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 231 [2021-12-18 12:04:24,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:04:24,681 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-18 12:04:24,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:04:25,068 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-18 12:04:25,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:04:25,075 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 12:04:25,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:04:25,079 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2021-12-18 12:04:25,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:04:25,084 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 12:04:25,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:04:25,088 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2021-12-18 12:04:25,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:04:25,270 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 12:04:25,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:04:25,276 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2021-12-18 12:04:25,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:04:25,282 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 12:04:25,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:04:25,286 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2021-12-18 12:04:25,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:04:25,291 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2021-12-18 12:04:25,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:04:25,295 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2021-12-18 12:04:25,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:04:25,302 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 12:04:25,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:04:25,325 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 12:04:25,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:04:25,332 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2021-12-18 12:04:25,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:04:25,342 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 12:04:25,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:04:25,348 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 12:04:25,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:04:25,352 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-18 12:04:25,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:04:25,358 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2021-12-18 12:04:25,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:04:25,363 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 12:04:25,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:04:25,367 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2021-12-18 12:04:25,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:04:25,372 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 369 [2021-12-18 12:04:25,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:04:25,377 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 374 [2021-12-18 12:04:25,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:04:25,383 INFO L134 CoverageAnalysis]: Checked inductivity of 844 backedges. 13 proven. 4 refuted. 0 times theorem prover too weak. 827 trivial. 0 not checked. [2021-12-18 12:04:25,383 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 12:04:25,383 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1101626731] [2021-12-18 12:04:25,383 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1101626731] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-18 12:04:25,384 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [273955907] [2021-12-18 12:04:25,384 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 12:04:25,384 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-18 12:04:25,384 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-18 12:04:25,388 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-18 12:04:25,396 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2021-12-18 12:04:26,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:04:26,799 INFO L263 TraceCheckSpWp]: Trace formula consists of 4404 conjuncts, 23 conjunts are in the unsatisfiable core [2021-12-18 12:04:26,809 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-18 12:04:29,654 INFO L134 CoverageAnalysis]: Checked inductivity of 844 backedges. 407 proven. 0 refuted. 0 times theorem prover too weak. 437 trivial. 0 not checked. [2021-12-18 12:04:29,654 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-18 12:04:29,655 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [273955907] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 12:04:29,655 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-12-18 12:04:29,655 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [10] total 25 [2021-12-18 12:04:29,655 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1020542894] [2021-12-18 12:04:29,655 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 12:04:29,656 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2021-12-18 12:04:29,656 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 12:04:29,656 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2021-12-18 12:04:29,657 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=53, Invalid=547, Unknown=0, NotChecked=0, Total=600 [2021-12-18 12:04:29,657 INFO L87 Difference]: Start difference. First operand 2565 states and 3616 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) [2021-12-18 12:04:33,462 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 12:04:33,463 INFO L93 Difference]: Finished difference Result 4995 states and 7054 transitions. [2021-12-18 12:04:33,467 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-12-18 12:04:33,468 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 [2021-12-18 12:04:33,468 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 12:04:33,485 INFO L225 Difference]: With dead ends: 4995 [2021-12-18 12:04:33,485 INFO L226 Difference]: Without dead ends: 2639 [2021-12-18 12:04:33,497 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 542 GetRequests, 511 SyntacticMatches, 0 SemanticMatches, 31 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 123 ImplicationChecksByTransitivity, 2.8s TimeCoverageRelationStatistics Valid=87, Invalid=969, Unknown=0, NotChecked=0, Total=1056 [2021-12-18 12:04:33,503 INFO L933 BasicCegarLoop]: 1665 mSDtfsCounter, 54 mSDsluCounter, 24806 mSDsCounter, 0 mSdLazyCounter, 741 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 56 SdHoareTripleChecker+Valid, 26471 SdHoareTripleChecker+Invalid, 756 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 741 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.9s IncrementalHoareTripleChecker+Time [2021-12-18 12:04:33,503 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [56 Valid, 26471 Invalid, 756 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 741 Invalid, 0 Unknown, 0 Unchecked, 2.9s Time] [2021-12-18 12:04:33,507 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2639 states. [2021-12-18 12:04:33,595 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2639 to 2611. [2021-12-18 12:04:33,600 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2611 states, 1793 states have (on average 1.241494701617401) internal successors, (2226), 1857 states have internal predecessors, (2226), 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) [2021-12-18 12:04:33,610 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2611 states to 2611 states and 3717 transitions. [2021-12-18 12:04:33,611 INFO L78 Accepts]: Start accepts. Automaton has 2611 states and 3717 transitions. Word has length 397 [2021-12-18 12:04:33,612 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 12:04:33,612 INFO L470 AbstractCegarLoop]: Abstraction has 2611 states and 3717 transitions. [2021-12-18 12:04:33,612 INFO L471 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) [2021-12-18 12:04:33,613 INFO L276 IsEmpty]: Start isEmpty. Operand 2611 states and 3717 transitions. [2021-12-18 12:04:33,623 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 403 [2021-12-18 12:04:33,623 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 12:04:33,623 INFO L514 BasicCegarLoop]: 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-18 12:04:33,659 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2021-12-18 12:04:33,843 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-18 12:04:33,844 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_assert_linux_drivers_clk1__more_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_drivers_clk1__more_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-18 12:04:33,844 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 12:04:33,844 INFO L85 PathProgramCache]: Analyzing trace with hash 1380355360, now seen corresponding path program 1 times [2021-12-18 12:04:33,844 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 12:04:33,844 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1457028697] [2021-12-18 12:04:33,844 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 12:04:33,845 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 12:04:34,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:04:34,385 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-12-18 12:04:34,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:04:34,415 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-18 12:04:34,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:04:34,420 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2021-12-18 12:04:34,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:04:34,425 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 12:04:34,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:04:34,434 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2021-12-18 12:04:34,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:04:34,443 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2021-12-18 12:04:34,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:04:34,447 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2021-12-18 12:04:34,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:04:34,490 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2021-12-18 12:04:34,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:04:34,498 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 12:04:34,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:04:34,502 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 12:04:34,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:04:34,506 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-18 12:04:34,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:04:34,510 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2021-12-18 12:04:34,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:04:34,514 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2021-12-18 12:04:34,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:04:34,520 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 12:04:34,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:04:34,523 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 12:04:34,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:04:34,527 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-18 12:04:34,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:04:34,531 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2021-12-18 12:04:34,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:04:34,535 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2021-12-18 12:04:34,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:04:34,541 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 12:04:34,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:04:34,545 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 12:04:34,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:04:34,548 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-18 12:04:34,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:04:34,552 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2021-12-18 12:04:34,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:04:34,667 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2021-12-18 12:04:34,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:04:34,779 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-18 12:04:34,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:04:34,792 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-18 12:04:34,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:04:34,797 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 12:04:34,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:04:34,801 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2021-12-18 12:04:34,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:04:34,806 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 12:04:34,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:04:34,810 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2021-12-18 12:04:34,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:04:34,814 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2021-12-18 12:04:34,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:04:34,819 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 12:04:34,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:04:34,823 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 12:04:34,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:04:34,852 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 193 [2021-12-18 12:04:34,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:04:34,858 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2021-12-18 12:04:34,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:04:34,863 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 203 [2021-12-18 12:04:34,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:04:34,868 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2021-12-18 12:04:34,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:04:34,873 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2021-12-18 12:04:34,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:04:34,879 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 12:04:34,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:04:34,883 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 12:04:34,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:04:34,887 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-18 12:04:34,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:04:34,891 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 236 [2021-12-18 12:04:34,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:04:34,951 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-18 12:04:34,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:04:35,323 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-18 12:04:35,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:04:35,328 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 12:04:35,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:04:35,332 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2021-12-18 12:04:35,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:04:35,337 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 12:04:35,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:04:35,342 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2021-12-18 12:04:35,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:04:35,516 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 12:04:35,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:04:35,522 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2021-12-18 12:04:35,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:04:35,526 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 12:04:35,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:04:35,530 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2021-12-18 12:04:35,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:04:35,534 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2021-12-18 12:04:35,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:04:35,543 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2021-12-18 12:04:35,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:04:35,548 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 12:04:35,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:04:35,552 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 12:04:35,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:04:35,556 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2021-12-18 12:04:35,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:04:35,561 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 12:04:35,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:04:35,565 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 12:04:35,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:04:35,569 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-18 12:04:35,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:04:35,574 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2021-12-18 12:04:35,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:04:35,580 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 12:04:35,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:04:35,584 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2021-12-18 12:04:35,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:04:35,589 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 374 [2021-12-18 12:04:35,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:04:35,597 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 379 [2021-12-18 12:04:35,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:04:35,604 INFO L134 CoverageAnalysis]: Checked inductivity of 846 backedges. 13 proven. 4 refuted. 0 times theorem prover too weak. 829 trivial. 0 not checked. [2021-12-18 12:04:35,604 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 12:04:35,604 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1457028697] [2021-12-18 12:04:35,604 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1457028697] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-18 12:04:35,604 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [877874454] [2021-12-18 12:04:35,605 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 12:04:35,605 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-18 12:04:35,605 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-18 12:04:35,606 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-18 12:04:35,625 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2021-12-18 12:04:37,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:04:37,027 INFO L263 TraceCheckSpWp]: Trace formula consists of 4425 conjuncts, 52 conjunts are in the unsatisfiable core [2021-12-18 12:04:37,035 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-18 12:04:39,829 INFO L134 CoverageAnalysis]: Checked inductivity of 846 backedges. 200 proven. 3 refuted. 0 times theorem prover too weak. 643 trivial. 0 not checked. [2021-12-18 12:04:39,830 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-12-18 12:04:41,820 INFO L134 CoverageAnalysis]: Checked inductivity of 846 backedges. 3 proven. 67 refuted. 0 times theorem prover too weak. 776 trivial. 0 not checked. [2021-12-18 12:04:41,821 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [877874454] provided 0 perfect and 2 imperfect interpolant sequences [2021-12-18 12:04:41,821 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-12-18 12:04:41,821 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 15, 15] total 26 [2021-12-18 12:04:41,821 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1781040561] [2021-12-18 12:04:41,821 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-12-18 12:04:41,822 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 26 states [2021-12-18 12:04:41,823 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 12:04:41,823 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2021-12-18 12:04:41,823 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=59, Invalid=591, Unknown=0, NotChecked=0, Total=650 [2021-12-18 12:04:41,824 INFO L87 Difference]: Start difference. First operand 2611 states and 3717 transitions. Second operand has 26 states, 25 states have (on average 10.6) internal successors, (265), 19 states have internal predecessors, (265), 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) [2021-12-18 12:04:43,921 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.10s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 12:05:14,103 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.48s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 12:05:18,502 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.12s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 12:05:29,201 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 12:05:29,202 INFO L93 Difference]: Finished difference Result 5324 states and 7752 transitions. [2021-12-18 12:05:29,202 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-12-18 12:05:29,203 INFO L78 Accepts]: Start accepts. Automaton has has 26 states, 25 states have (on average 10.6) internal successors, (265), 19 states have internal predecessors, (265), 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 [2021-12-18 12:05:29,203 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 12:05:29,225 INFO L225 Difference]: With dead ends: 5324 [2021-12-18 12:05:29,226 INFO L226 Difference]: Without dead ends: 2717 [2021-12-18 12:05:29,242 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 955 GetRequests, 916 SyntacticMatches, 2 SemanticMatches, 37 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 169 ImplicationChecksByTransitivity, 4.0s TimeCoverageRelationStatistics Valid=178, Invalid=1304, Unknown=0, NotChecked=0, Total=1482 [2021-12-18 12:05:29,243 INFO L933 BasicCegarLoop]: 1509 mSDtfsCounter, 601 mSDsluCounter, 26223 mSDsCounter, 0 mSdLazyCounter, 7823 mSolverCounterSat, 773 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 43.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 652 SdHoareTripleChecker+Valid, 27732 SdHoareTripleChecker+Invalid, 8597 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 773 IncrementalHoareTripleChecker+Valid, 7823 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 45.1s IncrementalHoareTripleChecker+Time [2021-12-18 12:05:29,244 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [652 Valid, 27732 Invalid, 8597 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [773 Valid, 7823 Invalid, 1 Unknown, 0 Unchecked, 45.1s Time] [2021-12-18 12:05:29,248 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2717 states. [2021-12-18 12:05:29,372 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2717 to 2619. [2021-12-18 12:05:29,378 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2619 states, 1800 states have (on average 1.24) internal successors, (2232), 1864 states have internal predecessors, (2232), 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) [2021-12-18 12:05:29,391 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2619 states to 2619 states and 3736 transitions. [2021-12-18 12:05:29,393 INFO L78 Accepts]: Start accepts. Automaton has 2619 states and 3736 transitions. Word has length 402 [2021-12-18 12:05:29,393 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 12:05:29,394 INFO L470 AbstractCegarLoop]: Abstraction has 2619 states and 3736 transitions. [2021-12-18 12:05:29,394 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 26 states, 25 states have (on average 10.6) internal successors, (265), 19 states have internal predecessors, (265), 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) [2021-12-18 12:05:29,394 INFO L276 IsEmpty]: Start isEmpty. Operand 2619 states and 3736 transitions. [2021-12-18 12:05:29,403 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 395 [2021-12-18 12:05:29,403 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 12:05:29,404 INFO L514 BasicCegarLoop]: 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] [2021-12-18 12:05:29,442 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2021-12-18 12:05:29,623 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-18 12:05:29,624 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_assert_linux_drivers_clk1__more_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_drivers_clk1__more_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-18 12:05:29,624 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 12:05:29,624 INFO L85 PathProgramCache]: Analyzing trace with hash 1628229086, now seen corresponding path program 1 times [2021-12-18 12:05:29,625 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 12:05:29,625 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [487522481] [2021-12-18 12:05:29,625 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 12:05:29,625 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 12:05:29,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:05:30,092 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-12-18 12:05:30,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:05:30,098 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-18 12:05:30,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:05:30,150 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2021-12-18 12:05:30,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:05:30,158 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 12:05:30,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:05:30,168 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 12:05:30,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:05:30,173 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-18 12:05:30,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:05:30,179 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2021-12-18 12:05:30,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:05:30,187 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 12:05:30,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:05:30,195 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 12:05:30,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:05:30,200 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-18 12:05:30,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:05:30,204 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2021-12-18 12:05:30,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:05:30,244 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2021-12-18 12:05:30,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:05:30,250 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2021-12-18 12:05:30,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:05:30,255 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 12:05:30,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:05:30,259 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2021-12-18 12:05:30,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:05:30,264 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2021-12-18 12:05:30,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:05:30,269 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2021-12-18 12:05:30,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:05:30,274 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2021-12-18 12:05:30,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:05:30,283 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 12:05:30,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:05:30,287 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 12:05:30,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:05:30,292 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-18 12:05:30,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:05:30,296 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2021-12-18 12:05:30,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:05:30,301 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2021-12-18 12:05:30,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:05:30,308 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 12:05:30,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:05:30,313 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 12:05:30,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:05:30,317 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-18 12:05:30,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:05:30,322 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2021-12-18 12:05:30,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:05:30,326 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2021-12-18 12:05:30,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:05:30,334 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 12:05:30,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:05:30,338 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 12:05:30,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:05:30,342 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-18 12:05:30,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:05:30,345 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2021-12-18 12:05:30,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:05:30,459 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2021-12-18 12:05:30,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:05:30,650 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-18 12:05:30,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:05:30,894 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-18 12:05:30,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:05:30,901 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 12:05:30,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:05:30,905 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2021-12-18 12:05:31,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:05:31,007 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 12:05:31,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:05:31,012 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2021-12-18 12:05:31,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:05:31,020 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 12:05:31,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:05:31,023 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2021-12-18 12:05:31,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:05:31,026 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-12-18 12:05:31,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:05:31,029 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-12-18 12:05:31,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:05:31,032 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2021-12-18 12:05:31,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:05:31,037 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 12:05:31,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:05:31,040 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2021-12-18 12:05:31,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:05:31,044 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2021-12-18 12:05:31,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:05:31,048 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2021-12-18 12:05:31,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:05:31,053 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 12:05:31,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:05:31,056 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 12:05:31,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:05:31,060 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-18 12:05:31,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:05:31,065 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 12:05:31,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:05:31,068 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 12:05:31,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:05:31,072 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2021-12-18 12:05:31,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:05:31,076 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2021-12-18 12:05:31,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:05:31,080 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 12:05:31,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:05:31,083 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2021-12-18 12:05:31,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:05:31,087 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 340 [2021-12-18 12:05:31,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:05:31,091 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 12:05:31,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:05:31,094 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 12:05:31,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:05:31,097 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 356 [2021-12-18 12:05:31,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:05:31,101 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 360 [2021-12-18 12:05:31,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:05:31,104 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 366 [2021-12-18 12:05:31,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:05:31,107 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 371 [2021-12-18 12:05:31,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:05:31,111 INFO L134 CoverageAnalysis]: Checked inductivity of 1033 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 1030 trivial. 0 not checked. [2021-12-18 12:05:31,111 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 12:05:31,112 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [487522481] [2021-12-18 12:05:31,112 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [487522481] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 12:05:31,112 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 12:05:31,112 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-12-18 12:05:31,112 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [19005762] [2021-12-18 12:05:31,112 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 12:05:31,113 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-12-18 12:05:31,113 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 12:05:31,114 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-12-18 12:05:31,114 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2021-12-18 12:05:31,115 INFO L87 Difference]: Start difference. First operand 2619 states and 3736 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) [2021-12-18 12:05:33,165 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 12:05:35,457 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.29s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 12:05:37,744 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.29s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 12:05:44,619 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 12:05:54,131 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 12:05:54,131 INFO L93 Difference]: Finished difference Result 5317 states and 7749 transitions. [2021-12-18 12:05:54,132 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-18 12:05:54,133 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 [2021-12-18 12:05:54,133 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 12:05:54,150 INFO L225 Difference]: With dead ends: 5317 [2021-12-18 12:05:54,150 INFO L226 Difference]: Without dead ends: 2713 [2021-12-18 12:05:54,163 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 134 GetRequests, 127 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2021-12-18 12:05:54,163 INFO L933 BasicCegarLoop]: 1532 mSDtfsCounter, 887 mSDsluCounter, 4207 mSDsCounter, 0 mSdLazyCounter, 1923 mSolverCounterSat, 799 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 21.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 939 SdHoareTripleChecker+Valid, 5739 SdHoareTripleChecker+Invalid, 2726 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 799 IncrementalHoareTripleChecker+Valid, 1923 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 22.7s IncrementalHoareTripleChecker+Time [2021-12-18 12:05:54,164 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [939 Valid, 5739 Invalid, 2726 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [799 Valid, 1923 Invalid, 4 Unknown, 0 Unchecked, 22.7s Time] [2021-12-18 12:05:54,167 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2713 states. [2021-12-18 12:05:54,271 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2713 to 2619. [2021-12-18 12:05:54,275 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2619 states, 1800 states have (on average 1.2383333333333333) internal successors, (2229), 1864 states have internal predecessors, (2229), 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) [2021-12-18 12:05:54,285 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2619 states to 2619 states and 3733 transitions. [2021-12-18 12:05:54,287 INFO L78 Accepts]: Start accepts. Automaton has 2619 states and 3733 transitions. Word has length 394 [2021-12-18 12:05:54,289 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 12:05:54,289 INFO L470 AbstractCegarLoop]: Abstraction has 2619 states and 3733 transitions. [2021-12-18 12:05:54,289 INFO L471 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) [2021-12-18 12:05:54,289 INFO L276 IsEmpty]: Start isEmpty. Operand 2619 states and 3733 transitions. [2021-12-18 12:05:54,297 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 486 [2021-12-18 12:05:54,297 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 12:05:54,298 INFO L514 BasicCegarLoop]: 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-18 12:05:54,298 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-12-18 12:05:54,298 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_assert_linux_drivers_clk1__more_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_drivers_clk1__more_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-18 12:05:54,299 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 12:05:54,299 INFO L85 PathProgramCache]: Analyzing trace with hash 1557421213, now seen corresponding path program 1 times [2021-12-18 12:05:54,299 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 12:05:54,299 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [202688573] [2021-12-18 12:05:54,299 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 12:05:54,300 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 12:05:54,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:05:54,829 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-12-18 12:05:54,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:05:54,834 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-18 12:05:54,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:05:54,882 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2021-12-18 12:05:54,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:05:54,890 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 12:05:54,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:05:54,893 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 12:05:54,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:05:54,897 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-18 12:05:54,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:05:54,901 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2021-12-18 12:05:54,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:05:54,906 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 12:05:54,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:05:54,910 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 12:05:54,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:05:54,913 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-18 12:05:54,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:05:54,916 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2021-12-18 12:05:54,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:05:54,947 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2021-12-18 12:05:54,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:05:54,952 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2021-12-18 12:05:54,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:05:54,956 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 12:05:54,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:05:54,959 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2021-12-18 12:05:54,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:05:54,962 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2021-12-18 12:05:54,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:05:54,965 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2021-12-18 12:05:54,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:05:54,968 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2021-12-18 12:05:54,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:05:54,974 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 12:05:54,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:05:54,977 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 12:05:54,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:05:54,980 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-18 12:05:54,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:05:54,983 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2021-12-18 12:05:54,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:05:54,987 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2021-12-18 12:05:54,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:05:54,991 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 12:05:54,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:05:54,995 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 12:05:54,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:05:54,998 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-18 12:05:54,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:05:55,001 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2021-12-18 12:05:55,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:05:55,007 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2021-12-18 12:05:55,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:05:55,098 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 12:05:55,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:05:55,103 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 12:05:55,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:05:55,106 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-18 12:05:55,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:05:55,109 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2021-12-18 12:05:55,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:05:55,230 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2021-12-18 12:05:55,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:05:55,365 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-18 12:05:55,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:05:55,375 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-18 12:05:55,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:05:55,380 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 12:05:55,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:05:55,383 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2021-12-18 12:05:55,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:05:55,387 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 12:05:55,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:05:55,391 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2021-12-18 12:05:55,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:05:55,395 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 232 [2021-12-18 12:05:55,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:05:55,399 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 12:05:55,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:05:55,402 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 12:05:55,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:05:55,405 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 248 [2021-12-18 12:05:55,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:05:55,408 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 252 [2021-12-18 12:05:55,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:05:55,411 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 258 [2021-12-18 12:05:55,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:05:55,415 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 263 [2021-12-18 12:05:55,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:05:55,418 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 269 [2021-12-18 12:05:55,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:05:55,424 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 12:05:55,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:05:55,428 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 12:05:55,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:05:55,431 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-18 12:05:55,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:05:55,437 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 291 [2021-12-18 12:05:55,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:05:55,527 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-18 12:05:55,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:05:56,170 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-18 12:05:56,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:05:56,176 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 12:05:56,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:05:56,179 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2021-12-18 12:05:56,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:05:56,183 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 12:05:56,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:05:56,187 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2021-12-18 12:05:56,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:05:56,193 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 12:05:56,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:05:56,199 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2021-12-18 12:05:56,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:05:56,203 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-12-18 12:05:56,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:05:56,207 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-12-18 12:05:56,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:05:56,210 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2021-12-18 12:05:56,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:05:56,214 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 12:05:56,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:05:56,218 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2021-12-18 12:05:56,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:05:56,221 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2021-12-18 12:05:56,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:05:56,225 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2021-12-18 12:05:56,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:05:56,230 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 12:05:56,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:05:56,233 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2021-12-18 12:05:56,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:05:56,616 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 12:05:56,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:05:56,822 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 12:05:56,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:05:56,845 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2021-12-18 12:05:56,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:05:56,864 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 12:05:56,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:05:56,869 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 12:05:56,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:05:56,877 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2021-12-18 12:05:56,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:05:57,332 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2021-12-18 12:05:57,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:05:57,339 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 12:05:57,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:05:57,343 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2021-12-18 12:05:57,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:05:57,347 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 457 [2021-12-18 12:05:57,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:05:57,352 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 462 [2021-12-18 12:05:57,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:05:57,357 INFO L134 CoverageAnalysis]: Checked inductivity of 1494 backedges. 20 proven. 5 refuted. 0 times theorem prover too weak. 1469 trivial. 0 not checked. [2021-12-18 12:05:57,357 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 12:05:57,358 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [202688573] [2021-12-18 12:05:57,358 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [202688573] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-18 12:05:57,358 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1947013005] [2021-12-18 12:05:57,358 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 12:05:57,358 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-18 12:05:57,359 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-18 12:05:57,360 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-18 12:05:57,361 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2021-12-18 12:06:29,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:06:29,759 INFO L263 TraceCheckSpWp]: Trace formula consists of 4758 conjuncts, 40 conjunts are in the unsatisfiable core [2021-12-18 12:06:29,777 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-18 12:06:34,139 INFO L134 CoverageAnalysis]: Checked inductivity of 1494 backedges. 310 proven. 3 refuted. 0 times theorem prover too weak. 1181 trivial. 0 not checked. [2021-12-18 12:06:34,140 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-12-18 12:06:37,553 INFO L134 CoverageAnalysis]: Checked inductivity of 1494 backedges. 3 proven. 81 refuted. 0 times theorem prover too weak. 1410 trivial. 0 not checked. [2021-12-18 12:06:37,554 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1947013005] provided 0 perfect and 2 imperfect interpolant sequences [2021-12-18 12:06:37,554 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-12-18 12:06:37,554 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 9, 8] total 28 [2021-12-18 12:06:37,554 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1172004121] [2021-12-18 12:06:37,555 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-12-18 12:06:37,556 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 28 states [2021-12-18 12:06:37,556 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 12:06:37,557 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2021-12-18 12:06:37,557 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=66, Invalid=690, Unknown=0, NotChecked=0, Total=756 [2021-12-18 12:06:37,558 INFO L87 Difference]: Start difference. First operand 2619 states and 3733 transitions. Second operand has 28 states, 26 states have (on average 11.423076923076923) internal successors, (297), 19 states have internal predecessors, (297), 7 states have call successors, (137), 6 states have call predecessors, (137), 8 states have return successors, (133), 10 states have call predecessors, (133), 7 states have call successors, (133) [2021-12-18 12:06:39,610 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 12:06:41,887 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.27s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 12:06:44,214 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.33s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 12:07:23,175 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.14s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 12:07:27,790 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.06s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 12:07:29,597 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.06s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 12:07:40,392 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 12:07:40,392 INFO L93 Difference]: Finished difference Result 5814 states and 8500 transitions. [2021-12-18 12:07:40,393 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-12-18 12:07:40,393 INFO L78 Accepts]: Start accepts. Automaton has has 28 states, 26 states have (on average 11.423076923076923) internal successors, (297), 19 states have internal predecessors, (297), 7 states have call successors, (137), 6 states have call predecessors, (137), 8 states have return successors, (133), 10 states have call predecessors, (133), 7 states have call successors, (133) Word has length 485 [2021-12-18 12:07:40,393 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 12:07:40,411 INFO L225 Difference]: With dead ends: 5814 [2021-12-18 12:07:40,411 INFO L226 Difference]: Without dead ends: 3208 [2021-12-18 12:07:40,423 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 1153 GetRequests, 1115 SyntacticMatches, 1 SemanticMatches, 37 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 185 ImplicationChecksByTransitivity, 6.7s TimeCoverageRelationStatistics Valid=142, Invalid=1340, Unknown=0, NotChecked=0, Total=1482 [2021-12-18 12:07:40,424 INFO L933 BasicCegarLoop]: 1588 mSDtfsCounter, 954 mSDsluCounter, 25751 mSDsCounter, 0 mSdLazyCounter, 7666 mSolverCounterSat, 777 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 57.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1155 SdHoareTripleChecker+Valid, 27339 SdHoareTripleChecker+Invalid, 8446 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 777 IncrementalHoareTripleChecker+Valid, 7666 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 59.7s IncrementalHoareTripleChecker+Time [2021-12-18 12:07:40,424 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1155 Valid, 27339 Invalid, 8446 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [777 Valid, 7666 Invalid, 3 Unknown, 0 Unchecked, 59.7s Time] [2021-12-18 12:07:40,427 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3208 states. [2021-12-18 12:07:40,535 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3208 to 2643. [2021-12-18 12:07:40,539 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2643 states, 1816 states have (on average 1.2356828193832599) internal successors, (2244), 1876 states have internal predecessors, (2244), 682 states have call successors, (682), 132 states have call predecessors, (682), 144 states have return successors, (843), 678 states have call predecessors, (843), 679 states have call successors, (843) [2021-12-18 12:07:40,549 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2643 states to 2643 states and 3769 transitions. [2021-12-18 12:07:40,550 INFO L78 Accepts]: Start accepts. Automaton has 2643 states and 3769 transitions. Word has length 485 [2021-12-18 12:07:40,551 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 12:07:40,551 INFO L470 AbstractCegarLoop]: Abstraction has 2643 states and 3769 transitions. [2021-12-18 12:07:40,551 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 28 states, 26 states have (on average 11.423076923076923) internal successors, (297), 19 states have internal predecessors, (297), 7 states have call successors, (137), 6 states have call predecessors, (137), 8 states have return successors, (133), 10 states have call predecessors, (133), 7 states have call successors, (133) [2021-12-18 12:07:40,551 INFO L276 IsEmpty]: Start isEmpty. Operand 2643 states and 3769 transitions. [2021-12-18 12:07:40,559 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 506 [2021-12-18 12:07:40,559 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 12:07:40,560 INFO L514 BasicCegarLoop]: 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, 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, 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] [2021-12-18 12:07:40,778 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2021-12-18 12:07:40,783 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-18 12:07:40,783 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_assert_linux_drivers_clk1__more_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_drivers_clk1__more_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-18 12:07:40,784 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 12:07:40,784 INFO L85 PathProgramCache]: Analyzing trace with hash -19596856, now seen corresponding path program 1 times [2021-12-18 12:07:40,784 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 12:07:40,784 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1636648674] [2021-12-18 12:07:40,784 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 12:07:40,784 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 12:07:41,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:07:41,717 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-12-18 12:07:41,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:07:41,732 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-18 12:07:41,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:07:41,810 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2021-12-18 12:07:41,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:07:41,819 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 12:07:41,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:07:41,823 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 12:07:41,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:07:41,826 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-18 12:07:41,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:07:41,880 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2021-12-18 12:07:41,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:07:41,887 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2021-12-18 12:07:41,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:07:41,897 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 12:07:41,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:07:41,901 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 12:07:41,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:07:41,905 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-18 12:07:41,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:07:41,908 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2021-12-18 12:07:41,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:07:41,913 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-18 12:07:41,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:07:41,917 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2021-12-18 12:07:41,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:07:41,921 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 12:07:41,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:07:41,925 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-18 12:07:41,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:07:41,930 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2021-12-18 12:07:41,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:07:41,935 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-18 12:07:41,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:07:41,939 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2021-12-18 12:07:41,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:07:41,947 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 12:07:41,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:07:41,950 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 12:07:41,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:07:41,954 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-18 12:07:41,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:07:41,957 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2021-12-18 12:07:41,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:07:41,961 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2021-12-18 12:07:41,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:07:41,969 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 12:07:41,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:07:41,972 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 12:07:41,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:07:41,976 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-18 12:07:41,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:07:41,979 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2021-12-18 12:07:41,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:07:41,983 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2021-12-18 12:07:41,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:07:41,990 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 12:07:41,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:07:41,994 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 12:07:41,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:07:41,997 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-18 12:07:41,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:07:42,000 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 185 [2021-12-18 12:07:42,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:07:42,152 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2021-12-18 12:07:42,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:07:42,303 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-18 12:07:42,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:07:42,313 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-18 12:07:42,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:07:42,317 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 12:07:42,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:07:42,321 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2021-12-18 12:07:42,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:07:42,324 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 12:07:42,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:07:42,328 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2021-12-18 12:07:42,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:07:42,337 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 236 [2021-12-18 12:07:42,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:07:42,342 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 12:07:42,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:07:42,345 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 12:07:42,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:07:42,349 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 252 [2021-12-18 12:07:42,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:07:42,353 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2021-12-18 12:07:42,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:07:42,357 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 262 [2021-12-18 12:07:42,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:07:42,361 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2021-12-18 12:07:42,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:07:42,365 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 273 [2021-12-18 12:07:42,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:07:42,374 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 12:07:42,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:07:42,378 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 12:07:42,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:07:42,381 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-18 12:07:42,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:07:42,385 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 295 [2021-12-18 12:07:42,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:07:42,434 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-18 12:07:42,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:07:42,464 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-18 12:07:42,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:07:42,470 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 12:07:42,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:07:42,473 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2021-12-18 12:07:42,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:07:42,477 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 12:07:42,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:07:42,481 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2021-12-18 12:07:42,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:07:42,486 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 12:07:42,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:07:42,489 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2021-12-18 12:07:42,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:07:42,492 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-12-18 12:07:42,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:07:42,496 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-12-18 12:07:42,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:07:42,499 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2021-12-18 12:07:42,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:07:42,503 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 12:07:42,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:07:42,506 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2021-12-18 12:07:42,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:07:42,509 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2021-12-18 12:07:42,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:07:42,513 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2021-12-18 12:07:42,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:07:42,516 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 12:07:42,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:07:42,519 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2021-12-18 12:07:42,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:07:42,529 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 12:07:42,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:07:42,535 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 12:07:42,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:07:42,538 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2021-12-18 12:07:42,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:07:42,542 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-12-18 12:07:42,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:07:42,545 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-12-18 12:07:42,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:07:42,548 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2021-12-18 12:07:42,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:07:42,553 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 12:07:42,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:07:42,557 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 12:07:42,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:07:42,561 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-18 12:07:42,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:07:42,565 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2021-12-18 12:07:42,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:07:42,569 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 12:07:42,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:07:42,572 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2021-12-18 12:07:42,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:07:42,576 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 477 [2021-12-18 12:07:42,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:07:42,581 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 482 [2021-12-18 12:07:42,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:07:42,586 INFO L134 CoverageAnalysis]: Checked inductivity of 1697 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1697 trivial. 0 not checked. [2021-12-18 12:07:42,587 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 12:07:42,587 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1636648674] [2021-12-18 12:07:42,587 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1636648674] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 12:07:42,587 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 12:07:42,587 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-12-18 12:07:42,587 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1371759595] [2021-12-18 12:07:42,588 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 12:07:42,588 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-12-18 12:07:42,588 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 12:07:42,589 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-12-18 12:07:42,589 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2021-12-18 12:07:42,590 INFO L87 Difference]: Start difference. First operand 2643 states and 3769 transitions. Second operand has 8 states, 8 states have (on average 18.25) internal successors, (146), 4 states have internal predecessors, (146), 3 states have call successors, (53), 6 states have call predecessors, (53), 1 states have return successors, (51), 2 states have call predecessors, (51), 2 states have call successors, (51) [2021-12-18 12:07:44,640 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 12:07:46,923 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.28s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 12:07:49,215 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.29s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 12:08:04,082 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 12:08:04,083 INFO L93 Difference]: Finished difference Result 2743 states and 3980 transitions. [2021-12-18 12:08:04,083 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-18 12:08:04,084 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 18.25) internal successors, (146), 4 states have internal predecessors, (146), 3 states have call successors, (53), 6 states have call predecessors, (53), 1 states have return successors, (51), 2 states have call predecessors, (51), 2 states have call successors, (51) Word has length 505 [2021-12-18 12:08:04,088 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 12:08:04,104 INFO L225 Difference]: With dead ends: 2743 [2021-12-18 12:08:04,104 INFO L226 Difference]: Without dead ends: 2731 [2021-12-18 12:08:04,106 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 176 GetRequests, 166 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=44, Invalid=88, Unknown=0, NotChecked=0, Total=132 [2021-12-18 12:08:04,107 INFO L933 BasicCegarLoop]: 1508 mSDtfsCounter, 1617 mSDsluCounter, 3170 mSDsCounter, 0 mSdLazyCounter, 1818 mSolverCounterSat, 562 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 19.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1799 SdHoareTripleChecker+Valid, 4678 SdHoareTripleChecker+Invalid, 2383 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 562 IncrementalHoareTripleChecker+Valid, 1818 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 20.8s IncrementalHoareTripleChecker+Time [2021-12-18 12:08:04,107 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1799 Valid, 4678 Invalid, 2383 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [562 Valid, 1818 Invalid, 3 Unknown, 0 Unchecked, 20.8s Time] [2021-12-18 12:08:04,110 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2731 states. [2021-12-18 12:08:04,285 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2731 to 2643. [2021-12-18 12:08:04,288 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2643 states, 1816 states have (on average 1.2351321585903083) internal successors, (2243), 1876 states have internal predecessors, (2243), 682 states have call successors, (682), 132 states have call predecessors, (682), 144 states have return successors, (843), 678 states have call predecessors, (843), 679 states have call successors, (843) [2021-12-18 12:08:04,299 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2643 states to 2643 states and 3768 transitions. [2021-12-18 12:08:04,300 INFO L78 Accepts]: Start accepts. Automaton has 2643 states and 3768 transitions. Word has length 505 [2021-12-18 12:08:04,300 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 12:08:04,301 INFO L470 AbstractCegarLoop]: Abstraction has 2643 states and 3768 transitions. [2021-12-18 12:08:04,301 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 18.25) internal successors, (146), 4 states have internal predecessors, (146), 3 states have call successors, (53), 6 states have call predecessors, (53), 1 states have return successors, (51), 2 states have call predecessors, (51), 2 states have call successors, (51) [2021-12-18 12:08:04,301 INFO L276 IsEmpty]: Start isEmpty. Operand 2643 states and 3768 transitions. [2021-12-18 12:08:04,311 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 507 [2021-12-18 12:08:04,311 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 12:08:04,312 INFO L514 BasicCegarLoop]: 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, 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, 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] [2021-12-18 12:08:04,312 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-12-18 12:08:04,312 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_assert_linux_drivers_clk1__more_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_drivers_clk1__more_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-18 12:08:04,313 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 12:08:04,313 INFO L85 PathProgramCache]: Analyzing trace with hash -112681666, now seen corresponding path program 1 times [2021-12-18 12:08:04,313 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 12:08:04,313 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1346839465] [2021-12-18 12:08:04,313 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 12:08:04,314 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 12:08:04,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:08:04,964 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-12-18 12:08:04,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:08:04,969 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-18 12:08:04,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:08:05,020 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2021-12-18 12:08:05,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:08:05,027 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 12:08:05,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:08:05,030 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 12:08:05,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:08:05,034 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-18 12:08:05,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:08:05,067 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2021-12-18 12:08:05,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:08:05,072 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2021-12-18 12:08:05,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:08:05,077 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 12:08:05,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:08:05,081 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 12:08:05,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:08:05,084 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-18 12:08:05,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:08:05,087 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2021-12-18 12:08:05,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:08:05,091 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-18 12:08:05,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:08:05,094 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2021-12-18 12:08:05,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:08:05,098 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 12:08:05,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:08:05,101 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-18 12:08:05,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:08:05,104 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2021-12-18 12:08:05,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:08:05,107 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-18 12:08:05,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:08:05,110 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2021-12-18 12:08:05,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:08:05,116 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 12:08:05,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:08:05,119 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 12:08:05,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:08:05,123 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-18 12:08:05,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:08:05,126 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2021-12-18 12:08:05,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:08:05,129 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2021-12-18 12:08:05,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:08:05,135 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 12:08:05,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:08:05,138 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 12:08:05,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:08:05,142 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-18 12:08:05,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:08:05,145 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2021-12-18 12:08:05,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:08:05,148 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2021-12-18 12:08:05,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:08:05,161 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 12:08:05,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:08:05,164 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 12:08:05,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:08:05,168 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-18 12:08:05,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:08:05,171 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 185 [2021-12-18 12:08:05,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:08:05,300 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2021-12-18 12:08:05,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:08:05,455 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-18 12:08:05,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:08:06,031 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-18 12:08:06,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:08:06,250 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 12:08:06,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:08:06,254 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2021-12-18 12:08:06,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:08:06,827 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 12:08:06,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:08:07,075 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2021-12-18 12:08:07,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:08:07,081 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 236 [2021-12-18 12:08:07,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:08:07,085 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 12:08:07,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:08:07,088 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 12:08:07,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:08:07,091 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 252 [2021-12-18 12:08:07,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:08:07,095 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2021-12-18 12:08:07,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:08:07,099 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 262 [2021-12-18 12:08:07,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:08:07,102 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2021-12-18 12:08:07,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:08:07,105 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 273 [2021-12-18 12:08:07,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:08:07,111 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 12:08:07,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:08:07,114 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 12:08:07,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:08:07,117 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-18 12:08:07,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:08:07,120 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 295 [2021-12-18 12:08:07,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:08:07,165 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-18 12:08:07,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:08:07,194 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-18 12:08:07,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:08:07,198 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 12:08:07,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:08:07,201 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2021-12-18 12:08:07,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:08:07,205 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 12:08:07,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:08:07,208 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2021-12-18 12:08:07,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:08:07,214 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 12:08:07,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:08:07,217 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2021-12-18 12:08:07,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:08:07,220 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-12-18 12:08:07,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:08:07,223 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-12-18 12:08:07,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:08:07,226 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2021-12-18 12:08:07,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:08:07,230 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 12:08:07,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:08:07,233 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2021-12-18 12:08:07,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:08:07,236 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2021-12-18 12:08:07,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:08:07,239 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2021-12-18 12:08:07,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:08:07,243 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 12:08:07,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:08:07,246 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2021-12-18 12:08:07,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:08:07,252 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 12:08:07,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:08:07,258 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 12:08:07,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:08:07,261 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2021-12-18 12:08:07,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:08:07,264 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-12-18 12:08:07,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:08:07,267 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-12-18 12:08:07,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:08:07,271 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2021-12-18 12:08:07,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:08:07,275 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 12:08:07,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:08:07,279 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 12:08:07,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:08:07,282 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-18 12:08:07,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:08:07,286 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2021-12-18 12:08:07,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:08:07,291 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 12:08:07,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:08:07,295 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2021-12-18 12:08:07,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:08:07,299 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 477 [2021-12-18 12:08:07,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:08:07,304 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 482 [2021-12-18 12:08:07,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:08:07,309 INFO L134 CoverageAnalysis]: Checked inductivity of 1697 backedges. 13 proven. 45 refuted. 0 times theorem prover too weak. 1639 trivial. 0 not checked. [2021-12-18 12:08:07,309 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 12:08:07,309 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1346839465] [2021-12-18 12:08:07,310 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1346839465] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-18 12:08:07,310 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1584463919] [2021-12-18 12:08:07,310 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 12:08:07,310 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-18 12:08:07,310 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-18 12:08:07,312 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-18 12:08:07,344 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2021-12-18 12:08:50,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:08:50,864 INFO L263 TraceCheckSpWp]: Trace formula consists of 4836 conjuncts, 83 conjunts are in the unsatisfiable core [2021-12-18 12:08:50,875 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-18 12:08:57,474 INFO L134 CoverageAnalysis]: Checked inductivity of 1697 backedges. 826 proven. 0 refuted. 0 times theorem prover too weak. 871 trivial. 0 not checked. [2021-12-18 12:08:57,474 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-18 12:08:57,474 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1584463919] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 12:08:57,475 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-12-18 12:08:57,475 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [24] imperfect sequences [16] total 34 [2021-12-18 12:08:57,475 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [886748202] [2021-12-18 12:08:57,475 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 12:08:57,475 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 24 states [2021-12-18 12:08:57,476 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 12:08:57,476 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2021-12-18 12:08:57,476 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=71, Invalid=1051, Unknown=0, NotChecked=0, Total=1122 [2021-12-18 12:08:57,477 INFO L87 Difference]: Start difference. First operand 2643 states and 3768 transitions. Second operand has 24 states, 23 states have (on average 8.26086956521739) internal successors, (190), 18 states have internal predecessors, (190), 6 states have call successors, (63), 2 states have call predecessors, (63), 9 states have return successors, (61), 11 states have call predecessors, (61), 6 states have call successors, (61) [2021-12-18 12:09:07,210 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 12:09:07,211 INFO L93 Difference]: Finished difference Result 5736 states and 8234 transitions. [2021-12-18 12:09:07,211 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-12-18 12:09:07,211 INFO L78 Accepts]: Start accepts. Automaton has has 24 states, 23 states have (on average 8.26086956521739) internal successors, (190), 18 states have internal predecessors, (190), 6 states have call successors, (63), 2 states have call predecessors, (63), 9 states have return successors, (61), 11 states have call predecessors, (61), 6 states have call successors, (61) Word has length 506 [2021-12-18 12:09:07,212 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 12:09:07,233 INFO L225 Difference]: With dead ends: 5736 [2021-12-18 12:09:07,234 INFO L226 Difference]: Without dead ends: 3300 [2021-12-18 12:09:07,244 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 698 GetRequests, 652 SyntacticMatches, 2 SemanticMatches, 44 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 211 ImplicationChecksByTransitivity, 8.2s TimeCoverageRelationStatistics Valid=125, Invalid=1945, Unknown=0, NotChecked=0, Total=2070 [2021-12-18 12:09:07,244 INFO L933 BasicCegarLoop]: 1691 mSDtfsCounter, 432 mSDsluCounter, 36943 mSDsCounter, 0 mSdLazyCounter, 1370 mSolverCounterSat, 108 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 434 SdHoareTripleChecker+Valid, 38634 SdHoareTripleChecker+Invalid, 1478 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 108 IncrementalHoareTripleChecker+Valid, 1370 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.1s IncrementalHoareTripleChecker+Time [2021-12-18 12:09:07,244 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [434 Valid, 38634 Invalid, 1478 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [108 Valid, 1370 Invalid, 0 Unknown, 0 Unchecked, 7.1s Time] [2021-12-18 12:09:07,247 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3300 states. [2021-12-18 12:09:07,386 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3300 to 2659. [2021-12-18 12:09:07,390 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2659 states, 1828 states have (on average 1.2357768052516411) internal successors, (2259), 1886 states have internal predecessors, (2259), 686 states have call successors, (686), 132 states have call predecessors, (686), 144 states have return successors, (847), 684 states have call predecessors, (847), 683 states have call successors, (847) [2021-12-18 12:09:07,403 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2659 states to 2659 states and 3792 transitions. [2021-12-18 12:09:07,404 INFO L78 Accepts]: Start accepts. Automaton has 2659 states and 3792 transitions. Word has length 506 [2021-12-18 12:09:07,405 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 12:09:07,405 INFO L470 AbstractCegarLoop]: Abstraction has 2659 states and 3792 transitions. [2021-12-18 12:09:07,406 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 24 states, 23 states have (on average 8.26086956521739) internal successors, (190), 18 states have internal predecessors, (190), 6 states have call successors, (63), 2 states have call predecessors, (63), 9 states have return successors, (61), 11 states have call predecessors, (61), 6 states have call successors, (61) [2021-12-18 12:09:07,406 INFO L276 IsEmpty]: Start isEmpty. Operand 2659 states and 3792 transitions. [2021-12-18 12:09:07,415 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 523 [2021-12-18 12:09:07,416 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 12:09:07,416 INFO L514 BasicCegarLoop]: 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, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-18 12:09:07,639 WARN L435 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forcibly destroying the process [2021-12-18 12:09:07,662 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2021-12-18 12:09:07,662 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2021-12-18 12:09:07,662 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ldv_assert_linux_drivers_clk1__more_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_drivers_clk1__more_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-18 12:09:07,663 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 12:09:07,663 INFO L85 PathProgramCache]: Analyzing trace with hash -1417745482, now seen corresponding path program 2 times [2021-12-18 12:09:07,664 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 12:09:07,664 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1107098245] [2021-12-18 12:09:07,664 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 12:09:07,664 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 12:09:08,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:09:08,393 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-12-18 12:09:08,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:09:08,398 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-18 12:09:08,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:09:08,463 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2021-12-18 12:09:08,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:09:08,470 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 12:09:08,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:09:08,473 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 12:09:08,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:09:08,477 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-18 12:09:08,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:09:08,518 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2021-12-18 12:09:08,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:09:08,524 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2021-12-18 12:09:08,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:09:08,530 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 12:09:08,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:09:08,533 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 12:09:08,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:09:08,537 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-18 12:09:08,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:09:08,540 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2021-12-18 12:09:08,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:09:08,548 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-18 12:09:08,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:09:08,552 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2021-12-18 12:09:08,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:09:08,555 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 12:09:08,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:09:08,558 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-18 12:09:08,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:09:08,561 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2021-12-18 12:09:08,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:09:08,565 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-18 12:09:08,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:09:08,568 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2021-12-18 12:09:08,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:09:08,573 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 12:09:08,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:09:08,576 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 12:09:08,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:09:08,580 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-18 12:09:08,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:09:08,582 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2021-12-18 12:09:08,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:09:08,586 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2021-12-18 12:09:08,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:09:08,591 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 12:09:08,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:09:08,594 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 12:09:08,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:09:08,597 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-18 12:09:08,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:09:08,600 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2021-12-18 12:09:08,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:09:08,603 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2021-12-18 12:09:08,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:09:08,609 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 12:09:08,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:09:08,612 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 12:09:08,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:09:08,616 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-18 12:09:08,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:09:08,618 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 185 [2021-12-18 12:09:08,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:09:08,783 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2021-12-18 12:09:08,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:09:08,918 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-18 12:09:08,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:09:08,933 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-18 12:09:08,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:09:08,946 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 12:09:08,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:09:08,949 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2021-12-18 12:09:08,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:09:08,951 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-12-18 12:09:08,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:09:08,954 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-12-18 12:09:08,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:09:08,956 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2021-12-18 12:09:08,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:09:08,959 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 12:09:08,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:09:08,962 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2021-12-18 12:09:08,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:09:08,965 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 252 [2021-12-18 12:09:08,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:09:08,968 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 12:09:08,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:09:08,972 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 12:09:08,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:09:08,975 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 268 [2021-12-18 12:09:08,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:09:08,978 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 272 [2021-12-18 12:09:08,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:09:08,982 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2021-12-18 12:09:08,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:09:08,985 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 283 [2021-12-18 12:09:08,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:09:08,989 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2021-12-18 12:09:08,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:09:08,994 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 12:09:08,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:09:09,000 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 12:09:09,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:09:09,005 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-18 12:09:09,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:09:09,009 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 311 [2021-12-18 12:09:09,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:09:09,098 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-18 12:09:09,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:09:09,743 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-18 12:09:09,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:09:09,974 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 12:09:09,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:09:09,978 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2021-12-18 12:09:09,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:09:09,982 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 12:09:09,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:09:09,985 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2021-12-18 12:09:09,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:09:09,993 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 12:09:09,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:09:09,996 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2021-12-18 12:09:09,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:09:09,998 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-12-18 12:09:09,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:09:10,001 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-12-18 12:09:10,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:09:10,004 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2021-12-18 12:09:10,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:09:10,008 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 12:09:10,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:09:10,010 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2021-12-18 12:09:10,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:09:10,013 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2021-12-18 12:09:10,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:09:10,017 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2021-12-18 12:09:10,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:09:10,021 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 12:09:10,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:09:10,023 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2021-12-18 12:09:10,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:09:10,032 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 12:09:10,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:09:10,038 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 12:09:10,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:09:10,042 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2021-12-18 12:09:10,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:09:10,045 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-12-18 12:09:10,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:09:10,047 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-12-18 12:09:10,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:09:10,050 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2021-12-18 12:09:10,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:09:10,055 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 12:09:10,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:09:10,058 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 12:09:10,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:09:10,060 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-18 12:09:10,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:09:10,064 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2021-12-18 12:09:10,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:09:10,784 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 12:09:10,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:09:11,063 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2021-12-18 12:09:11,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:09:11,067 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 493 [2021-12-18 12:09:11,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:09:11,073 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 498 [2021-12-18 12:09:11,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:09:11,076 INFO L134 CoverageAnalysis]: Checked inductivity of 1915 backedges. 52 proven. 8 refuted. 0 times theorem prover too weak. 1855 trivial. 0 not checked. [2021-12-18 12:09:11,076 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 12:09:11,076 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1107098245] [2021-12-18 12:09:11,077 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1107098245] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-18 12:09:11,077 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1790893492] [2021-12-18 12:09:11,077 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-12-18 12:09:11,077 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-18 12:09:11,077 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-18 12:09:11,079 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-18 12:09:11,080 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process Killed by 15