./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-drivers-clk1_drivers-net-ethernet-smsc-smsc911x.cil.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version e04fb08f Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b84e1e31-74a6-498f-91a0-633ab72d08b8/bin/utaipan-Xvt2sAort0/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b84e1e31-74a6-498f-91a0-633ab72d08b8/bin/utaipan-Xvt2sAort0/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b84e1e31-74a6-498f-91a0-633ab72d08b8/bin/utaipan-Xvt2sAort0/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b84e1e31-74a6-498f-91a0-633ab72d08b8/bin/utaipan-Xvt2sAort0/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-drivers-clk1_drivers-net-ethernet-smsc-smsc911x.cil.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b84e1e31-74a6-498f-91a0-633ab72d08b8/bin/utaipan-Xvt2sAort0/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b84e1e31-74a6-498f-91a0-633ab72d08b8/bin/utaipan-Xvt2sAort0 --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 Taipan --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 0705c7c1097399903dd015d79fa2944ad89b2d381aed5d9e2539b97c330aa424 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-e04fb08 [2022-11-16 20:19:21,870 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-16 20:19:21,872 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-16 20:19:21,896 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-16 20:19:21,896 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-16 20:19:21,897 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-16 20:19:21,899 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-16 20:19:21,909 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-16 20:19:21,913 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-16 20:19:21,918 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-16 20:19:21,919 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-16 20:19:21,920 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-16 20:19:21,920 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-16 20:19:21,921 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-16 20:19:21,922 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-16 20:19:21,923 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-16 20:19:21,924 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-16 20:19:21,924 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-16 20:19:21,926 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-16 20:19:21,938 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-16 20:19:21,941 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-16 20:19:21,943 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-16 20:19:21,946 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-16 20:19:21,947 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-16 20:19:21,950 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-16 20:19:21,950 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-16 20:19:21,951 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-16 20:19:21,951 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-16 20:19:21,952 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-16 20:19:21,953 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-16 20:19:21,953 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-16 20:19:21,954 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-16 20:19:21,954 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-16 20:19:21,961 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-16 20:19:21,964 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-16 20:19:21,964 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-16 20:19:21,965 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-16 20:19:21,965 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-16 20:19:21,966 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-16 20:19:21,967 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-16 20:19:21,968 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-16 20:19:21,969 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b84e1e31-74a6-498f-91a0-633ab72d08b8/bin/utaipan-Xvt2sAort0/config/svcomp-Reach-64bit-Taipan_Default.epf [2022-11-16 20:19:22,009 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-16 20:19:22,009 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-16 20:19:22,010 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-16 20:19:22,010 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-16 20:19:22,011 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-16 20:19:22,011 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-16 20:19:22,011 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-16 20:19:22,012 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-16 20:19:22,012 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-16 20:19:22,012 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-16 20:19:22,013 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-16 20:19:22,013 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-16 20:19:22,013 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-16 20:19:22,013 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-16 20:19:22,014 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-16 20:19:22,014 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-16 20:19:22,014 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-16 20:19:22,014 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-16 20:19:22,015 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-16 20:19:22,015 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-16 20:19:22,015 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-16 20:19:22,015 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-16 20:19:22,016 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-16 20:19:22,017 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-16 20:19:22,017 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-16 20:19:22,017 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-16 20:19:22,018 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-16 20:19:22,018 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-16 20:19:22,018 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-16 20:19:22,018 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-16 20:19:22,018 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-16 20:19:22,019 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-16 20:19:22,019 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-16 20:19:22,019 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-16 20:19:22,019 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-16 20:19:22,019 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-16 20:19:22,020 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-16 20:19:22,020 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-16 20:19:22,020 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:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b84e1e31-74a6-498f-91a0-633ab72d08b8/bin/utaipan-Xvt2sAort0/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b84e1e31-74a6-498f-91a0-633ab72d08b8/bin/utaipan-Xvt2sAort0 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0705c7c1097399903dd015d79fa2944ad89b2d381aed5d9e2539b97c330aa424 [2022-11-16 20:19:22,291 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-16 20:19:22,323 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-16 20:19:22,326 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-16 20:19:22,327 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-16 20:19:22,343 INFO L275 PluginConnector]: CDTParser initialized [2022-11-16 20:19:22,345 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b84e1e31-74a6-498f-91a0-633ab72d08b8/bin/utaipan-Xvt2sAort0/../../sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-drivers-clk1_drivers-net-ethernet-smsc-smsc911x.cil.i [2022-11-16 20:19:22,421 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b84e1e31-74a6-498f-91a0-633ab72d08b8/bin/utaipan-Xvt2sAort0/data/e42c8c1ad/577e0590f3ee49f181471523842e011d/FLAGdcda29605 [2022-11-16 20:19:23,455 INFO L306 CDTParser]: Found 1 translation units. [2022-11-16 20:19:23,457 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b84e1e31-74a6-498f-91a0-633ab72d08b8/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-drivers-clk1_drivers-net-ethernet-smsc-smsc911x.cil.i [2022-11-16 20:19:23,513 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b84e1e31-74a6-498f-91a0-633ab72d08b8/bin/utaipan-Xvt2sAort0/data/e42c8c1ad/577e0590f3ee49f181471523842e011d/FLAGdcda29605 [2022-11-16 20:19:23,789 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b84e1e31-74a6-498f-91a0-633ab72d08b8/bin/utaipan-Xvt2sAort0/data/e42c8c1ad/577e0590f3ee49f181471523842e011d [2022-11-16 20:19:23,792 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-16 20:19:23,793 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-16 20:19:23,795 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-16 20:19:23,796 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-16 20:19:23,799 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-16 20:19:23,800 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 08:19:23" (1/1) ... [2022-11-16 20:19:23,801 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5f95d763 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 08:19:23, skipping insertion in model container [2022-11-16 20:19:23,802 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 08:19:23" (1/1) ... [2022-11-16 20:19:23,809 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-16 20:19:23,963 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-16 20:19:27,104 WARN L229 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b84e1e31-74a6-498f-91a0-633ab72d08b8/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-drivers-clk1_drivers-net-ethernet-smsc-smsc911x.cil.i[351362,351375] [2022-11-16 20:19:27,139 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-16 20:19:27,221 INFO L203 MainTranslator]: Completed pre-run [2022-11-16 20:19:27,649 WARN L229 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b84e1e31-74a6-498f-91a0-633ab72d08b8/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-drivers-clk1_drivers-net-ethernet-smsc-smsc911x.cil.i[351362,351375] [2022-11-16 20:19:27,659 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-16 20:19:27,895 INFO L208 MainTranslator]: Completed translation [2022-11-16 20:19:27,896 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 08:19:27 WrapperNode [2022-11-16 20:19:27,896 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-16 20:19:27,897 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-16 20:19:27,897 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-16 20:19:27,897 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-16 20:19:27,905 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 08:19:27" (1/1) ... [2022-11-16 20:19:28,039 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 08:19:27" (1/1) ... [2022-11-16 20:19:28,280 INFO L138 Inliner]: procedures = 415, calls = 1903, calls flagged for inlining = 249, calls inlined = 236, statements flattened = 5797 [2022-11-16 20:19:28,281 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-16 20:19:28,282 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-16 20:19:28,282 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-16 20:19:28,283 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-16 20:19:28,293 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 08:19:27" (1/1) ... [2022-11-16 20:19:28,293 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 08:19:27" (1/1) ... [2022-11-16 20:19:28,330 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 08:19:27" (1/1) ... [2022-11-16 20:19:28,331 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 08:19:27" (1/1) ... [2022-11-16 20:19:28,518 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 08:19:27" (1/1) ... [2022-11-16 20:19:28,557 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 08:19:27" (1/1) ... [2022-11-16 20:19:28,592 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 08:19:27" (1/1) ... [2022-11-16 20:19:28,615 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 08:19:27" (1/1) ... [2022-11-16 20:19:28,659 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-16 20:19:28,662 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-16 20:19:28,662 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-16 20:19:28,662 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-16 20:19:28,664 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 08:19:27" (1/1) ... [2022-11-16 20:19:28,671 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-16 20:19:28,685 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b84e1e31-74a6-498f-91a0-633ab72d08b8/bin/utaipan-Xvt2sAort0/z3 [2022-11-16 20:19:28,705 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b84e1e31-74a6-498f-91a0-633ab72d08b8/bin/utaipan-Xvt2sAort0/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-16 20:19:28,727 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b84e1e31-74a6-498f-91a0-633ab72d08b8/bin/utaipan-Xvt2sAort0/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-16 20:19:28,756 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2022-11-16 20:19:28,756 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2022-11-16 20:19:28,756 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-11-16 20:19:28,756 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-11-16 20:19:28,756 INFO L130 BoogieDeclarations]: Found specification of procedure free_irq [2022-11-16 20:19:28,757 INFO L138 BoogieDeclarations]: Found implementation of procedure free_irq [2022-11-16 20:19:28,757 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2022-11-16 20:19:28,757 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2022-11-16 20:19:28,757 INFO L130 BoogieDeclarations]: Found specification of procedure smsc911x_mii_read [2022-11-16 20:19:28,757 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc911x_mii_read [2022-11-16 20:19:28,757 INFO L130 BoogieDeclarations]: Found specification of procedure smsc911x_resume [2022-11-16 20:19:28,758 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc911x_resume [2022-11-16 20:19:28,758 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2022-11-16 20:19:28,758 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2022-11-16 20:19:28,758 INFO L130 BoogieDeclarations]: Found specification of procedure smsc911x_drv_probe [2022-11-16 20:19:28,758 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc911x_drv_probe [2022-11-16 20:19:28,758 INFO L130 BoogieDeclarations]: Found specification of procedure no_printk [2022-11-16 20:19:28,759 INFO L138 BoogieDeclarations]: Found implementation of procedure no_printk [2022-11-16 20:19:28,759 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2022-11-16 20:19:28,759 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2022-11-16 20:19:28,759 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2022-11-16 20:19:28,759 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2022-11-16 20:19:28,759 INFO L130 BoogieDeclarations]: Found specification of procedure skb_end_pointer [2022-11-16 20:19:28,760 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_end_pointer [2022-11-16 20:19:28,760 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2022-11-16 20:19:28,760 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2022-11-16 20:19:28,760 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2022-11-16 20:19:28,760 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2022-11-16 20:19:28,760 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2022-11-16 20:19:28,760 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2022-11-16 20:19:28,761 INFO L130 BoogieDeclarations]: Found specification of procedure smsc911x_set_multicast_list [2022-11-16 20:19:28,761 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc911x_set_multicast_list [2022-11-16 20:19:28,761 INFO L130 BoogieDeclarations]: Found specification of procedure smsc911x_set_hw_mac_address [2022-11-16 20:19:28,761 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc911x_set_hw_mac_address [2022-11-16 20:19:28,761 INFO L130 BoogieDeclarations]: Found specification of procedure phy_write [2022-11-16 20:19:28,761 INFO L138 BoogieDeclarations]: Found implementation of procedure phy_write [2022-11-16 20:19:28,762 INFO L130 BoogieDeclarations]: Found specification of procedure platform_get_resource [2022-11-16 20:19:28,762 INFO L138 BoogieDeclarations]: Found implementation of procedure platform_get_resource [2022-11-16 20:19:28,762 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-16 20:19:28,762 INFO L130 BoogieDeclarations]: Found specification of procedure iounmap [2022-11-16 20:19:28,762 INFO L138 BoogieDeclarations]: Found implementation of procedure iounmap [2022-11-16 20:19:28,762 INFO L130 BoogieDeclarations]: Found specification of procedure smsc911x_drv_remove [2022-11-16 20:19:28,763 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc911x_drv_remove [2022-11-16 20:19:28,763 INFO L130 BoogieDeclarations]: Found specification of procedure smsc911x_rx_multicast_update [2022-11-16 20:19:28,763 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc911x_rx_multicast_update [2022-11-16 20:19:28,763 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2022-11-16 20:19:28,764 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2022-11-16 20:19:28,764 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2022-11-16 20:19:28,765 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_unregister_netdev [2022-11-16 20:19:28,766 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_unregister_netdev [2022-11-16 20:19:28,766 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2022-11-16 20:19:28,766 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2022-11-16 20:19:28,766 INFO L130 BoogieDeclarations]: Found specification of procedure smsc911x_tx_writefifo [2022-11-16 20:19:28,766 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc911x_tx_writefifo [2022-11-16 20:19:28,766 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-11-16 20:19:28,767 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2022-11-16 20:19:28,767 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2022-11-16 20:19:28,767 INFO L130 BoogieDeclarations]: Found specification of procedure smsc911x_irqhandler [2022-11-16 20:19:28,767 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc911x_irqhandler [2022-11-16 20:19:28,768 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-16 20:19:28,768 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-11-16 20:19:28,768 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-11-16 20:19:28,768 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_drivers_clk1__more_at_exit [2022-11-16 20:19:28,769 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_drivers_clk1__more_at_exit [2022-11-16 20:19:28,769 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2022-11-16 20:19:28,769 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2022-11-16 20:19:28,769 INFO L130 BoogieDeclarations]: Found specification of procedure smsc911x_disable_resources [2022-11-16 20:19:28,769 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc911x_disable_resources [2022-11-16 20:19:28,769 INFO L130 BoogieDeclarations]: Found specification of procedure smsc911x_rx_get_rxstatus [2022-11-16 20:19:28,769 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc911x_rx_get_rxstatus [2022-11-16 20:19:28,770 INFO L130 BoogieDeclarations]: Found specification of procedure __smsc911x_reg_read [2022-11-16 20:19:28,770 INFO L138 BoogieDeclarations]: Found implementation of procedure __smsc911x_reg_read [2022-11-16 20:19:28,770 INFO L130 BoogieDeclarations]: Found specification of procedure smsc911x_ethtool_getregslen [2022-11-16 20:19:28,770 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc911x_ethtool_getregslen [2022-11-16 20:19:28,770 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-16 20:19:28,770 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_1 [2022-11-16 20:19:28,771 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_1 [2022-11-16 20:19:28,771 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_0 [2022-11-16 20:19:28,772 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_0 [2022-11-16 20:19:28,772 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_2 [2022-11-16 20:19:28,772 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_2 [2022-11-16 20:19:28,772 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_4 [2022-11-16 20:19:28,773 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_4 [2022-11-16 20:19:28,773 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-16 20:19:28,773 INFO L130 BoogieDeclarations]: Found specification of procedure is_valid_ether_addr [2022-11-16 20:19:28,773 INFO L138 BoogieDeclarations]: Found implementation of procedure is_valid_ether_addr [2022-11-16 20:19:28,773 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2022-11-16 20:19:28,774 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2022-11-16 20:19:28,774 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2022-11-16 20:19:28,775 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2022-11-16 20:19:28,775 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-16 20:19:28,775 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2022-11-16 20:19:28,776 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2022-11-16 20:19:28,776 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_irq [2022-11-16 20:19:28,776 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_irq [2022-11-16 20:19:28,776 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2022-11-16 20:19:28,776 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2022-11-16 20:19:28,776 INFO L130 BoogieDeclarations]: Found specification of procedure smsc911x_mii_write [2022-11-16 20:19:28,777 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc911x_mii_write [2022-11-16 20:19:28,777 INFO L130 BoogieDeclarations]: Found specification of procedure smsc911x_mac_complete [2022-11-16 20:19:28,777 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc911x_mac_complete [2022-11-16 20:19:28,777 INFO L130 BoogieDeclarations]: Found specification of procedure platform_get_drvdata [2022-11-16 20:19:28,777 INFO L138 BoogieDeclarations]: Found implementation of procedure platform_get_drvdata [2022-11-16 20:19:28,778 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2022-11-16 20:19:28,778 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2022-11-16 20:19:28,778 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev [2022-11-16 20:19:28,778 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev [2022-11-16 20:19:28,779 INFO L130 BoogieDeclarations]: Found specification of procedure iowrite32_rep [2022-11-16 20:19:28,779 INFO L138 BoogieDeclarations]: Found implementation of procedure iowrite32_rep [2022-11-16 20:19:28,779 INFO L130 BoogieDeclarations]: Found specification of procedure dev_name [2022-11-16 20:19:28,780 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_name [2022-11-16 20:19:28,782 INFO L130 BoogieDeclarations]: Found specification of procedure platform_get_resource_byname [2022-11-16 20:19:28,783 INFO L138 BoogieDeclarations]: Found implementation of procedure platform_get_resource_byname [2022-11-16 20:19:28,783 INFO L130 BoogieDeclarations]: Found specification of procedure writel [2022-11-16 20:19:28,783 INFO L138 BoogieDeclarations]: Found implementation of procedure writel [2022-11-16 20:19:28,784 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2022-11-16 20:19:28,784 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2022-11-16 20:19:28,785 INFO L130 BoogieDeclarations]: Found specification of procedure writew [2022-11-16 20:19:28,786 INFO L138 BoogieDeclarations]: Found implementation of procedure writew [2022-11-16 20:19:28,786 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-16 20:19:28,792 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-16 20:19:28,793 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2022-11-16 20:19:28,793 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2022-11-16 20:19:28,793 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab32 [2022-11-16 20:19:28,793 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab32 [2022-11-16 20:19:28,793 INFO L130 BoogieDeclarations]: Found specification of procedure smsc911x_tx_get_txstatus [2022-11-16 20:19:28,793 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc911x_tx_get_txstatus [2022-11-16 20:19:28,793 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2022-11-16 20:19:28,794 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2022-11-16 20:19:28,794 INFO L130 BoogieDeclarations]: Found specification of procedure mdiobus_free [2022-11-16 20:19:28,794 INFO L138 BoogieDeclarations]: Found implementation of procedure mdiobus_free [2022-11-16 20:19:28,794 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-11-16 20:19:28,794 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-11-16 20:19:28,794 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-11-16 20:19:28,794 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-11-16 20:19:28,795 INFO L130 BoogieDeclarations]: Found specification of procedure smsc911x_rx_readfifo [2022-11-16 20:19:28,795 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc911x_rx_readfifo [2022-11-16 20:19:28,795 INFO L130 BoogieDeclarations]: Found specification of procedure smsc911x_open [2022-11-16 20:19:28,795 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc911x_open [2022-11-16 20:19:28,795 INFO L130 BoogieDeclarations]: Found specification of procedure mdiobus_unregister [2022-11-16 20:19:28,795 INFO L138 BoogieDeclarations]: Found implementation of procedure mdiobus_unregister [2022-11-16 20:19:28,795 INFO L130 BoogieDeclarations]: Found specification of procedure smsc911x_ethtool_get_eeprom_len [2022-11-16 20:19:28,796 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc911x_ethtool_get_eeprom_len [2022-11-16 20:19:28,796 INFO L130 BoogieDeclarations]: Found specification of procedure smsc911x_rx_readfifo_shift [2022-11-16 20:19:28,796 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc911x_rx_readfifo_shift [2022-11-16 20:19:28,796 INFO L130 BoogieDeclarations]: Found specification of procedure smsc911x_suspend [2022-11-16 20:19:28,796 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc911x_suspend [2022-11-16 20:19:28,796 INFO L130 BoogieDeclarations]: Found specification of procedure smsc911x_read_mac_address [2022-11-16 20:19:28,796 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc911x_read_mac_address [2022-11-16 20:19:28,796 INFO L130 BoogieDeclarations]: Found specification of procedure smsc911x_mac_write [2022-11-16 20:19:28,797 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc911x_mac_write [2022-11-16 20:19:28,797 INFO L130 BoogieDeclarations]: Found specification of procedure phy_read [2022-11-16 20:19:28,797 INFO L138 BoogieDeclarations]: Found implementation of procedure phy_read [2022-11-16 20:19:28,797 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-11-16 20:19:28,797 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-11-16 20:19:28,797 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2022-11-16 20:19:28,797 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2022-11-16 20:19:28,798 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_get_drvdata [2022-11-16 20:19:28,798 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_get_drvdata [2022-11-16 20:19:28,798 INFO L130 BoogieDeclarations]: Found specification of procedure __smsc911x_reg_write [2022-11-16 20:19:28,798 INFO L138 BoogieDeclarations]: Found implementation of procedure __smsc911x_reg_write [2022-11-16 20:19:28,798 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-16 20:19:28,798 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2022-11-16 20:19:28,798 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2022-11-16 20:19:28,799 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-16 20:19:28,799 INFO L130 BoogieDeclarations]: Found specification of procedure smsc911x_reg_write [2022-11-16 20:19:28,799 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc911x_reg_write [2022-11-16 20:19:28,799 INFO L130 BoogieDeclarations]: Found specification of procedure smsc911x_ethtool_nwayreset [2022-11-16 20:19:28,799 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc911x_ethtool_nwayreset [2022-11-16 20:19:28,799 INFO L130 BoogieDeclarations]: Found specification of procedure smsc911x_free_resources [2022-11-16 20:19:28,799 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc911x_free_resources [2022-11-16 20:19:28,800 INFO L130 BoogieDeclarations]: Found specification of procedure smsc911x_disable_irq_chip [2022-11-16 20:19:28,800 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc911x_disable_irq_chip [2022-11-16 20:19:28,800 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-11-16 20:19:28,800 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irqsave [2022-11-16 20:19:28,800 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irqsave [2022-11-16 20:19:28,800 INFO L130 BoogieDeclarations]: Found specification of procedure smsc911x_eeprom_send_cmd [2022-11-16 20:19:28,800 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc911x_eeprom_send_cmd [2022-11-16 20:19:28,801 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2022-11-16 20:19:28,801 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2022-11-16 20:19:28,801 INFO L130 BoogieDeclarations]: Found specification of procedure smsc911x_phy_adjust_link [2022-11-16 20:19:28,801 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc911x_phy_adjust_link [2022-11-16 20:19:28,801 INFO L130 BoogieDeclarations]: Found specification of procedure smsc911x_reg_read [2022-11-16 20:19:28,801 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc911x_reg_read [2022-11-16 20:19:28,801 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2022-11-16 20:19:28,802 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2022-11-16 20:19:28,802 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_irq [2022-11-16 20:19:28,802 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_irq [2022-11-16 20:19:28,802 INFO L130 BoogieDeclarations]: Found specification of procedure smsc911x_tx_update_txcounters [2022-11-16 20:19:28,802 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc911x_tx_update_txcounters [2022-11-16 20:19:28,802 INFO L130 BoogieDeclarations]: Found specification of procedure __smsc911x_reg_read_shift [2022-11-16 20:19:28,802 INFO L138 BoogieDeclarations]: Found implementation of procedure __smsc911x_reg_read_shift [2022-11-16 20:19:28,802 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_start_queue [2022-11-16 20:19:28,803 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_start_queue [2022-11-16 20:19:28,803 INFO L130 BoogieDeclarations]: Found specification of procedure __smsc911x_reg_write_shift [2022-11-16 20:19:28,803 INFO L138 BoogieDeclarations]: Found implementation of procedure __smsc911x_reg_write_shift [2022-11-16 20:19:28,803 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2022-11-16 20:19:28,803 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2022-11-16 20:19:28,803 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2022-11-16 20:19:28,803 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2022-11-16 20:19:28,804 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~TO~VOID [2022-11-16 20:19:28,804 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~TO~VOID [2022-11-16 20:19:28,804 INFO L130 BoogieDeclarations]: Found specification of procedure __release_region [2022-11-16 20:19:28,804 INFO L138 BoogieDeclarations]: Found implementation of procedure __release_region [2022-11-16 20:19:28,804 INFO L130 BoogieDeclarations]: Found specification of procedure smsc911x_phy_enable_external [2022-11-16 20:19:28,804 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc911x_phy_enable_external [2022-11-16 20:19:28,804 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-16 20:19:28,805 INFO L130 BoogieDeclarations]: Found specification of procedure smsc911x_mac_read [2022-11-16 20:19:28,805 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc911x_mac_read [2022-11-16 20:19:28,805 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-11-16 20:19:28,805 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-11-16 20:19:28,805 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irq [2022-11-16 20:19:28,805 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irq [2022-11-16 20:19:28,805 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2022-11-16 20:19:28,805 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2022-11-16 20:19:28,806 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_EMGentry_exit_smsc911x_cleanup_module_14_2 [2022-11-16 20:19:28,806 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_EMGentry_exit_smsc911x_cleanup_module_14_2 [2022-11-16 20:19:28,806 INFO L130 BoogieDeclarations]: Found specification of procedure smsc911x_soft_reset [2022-11-16 20:19:28,806 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc911x_soft_reset [2022-11-16 20:19:28,806 INFO L130 BoogieDeclarations]: Found specification of procedure smsc911x_eeprom_enable_access [2022-11-16 20:19:28,806 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc911x_eeprom_enable_access [2022-11-16 20:19:28,806 INFO L130 BoogieDeclarations]: Found specification of procedure ioread32_rep [2022-11-16 20:19:28,807 INFO L138 BoogieDeclarations]: Found implementation of procedure ioread32_rep [2022-11-16 20:19:28,807 INFO L130 BoogieDeclarations]: Found specification of procedure spin_is_locked [2022-11-16 20:19:28,807 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_is_locked [2022-11-16 20:19:28,807 INFO L130 BoogieDeclarations]: Found specification of procedure smsc911x_stop [2022-11-16 20:19:28,807 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc911x_stop [2022-11-16 20:19:28,807 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2022-11-16 20:19:28,807 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2022-11-16 20:19:28,808 INFO L130 BoogieDeclarations]: Found specification of procedure smsc911x_tx_writefifo_shift [2022-11-16 20:19:28,808 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc911x_tx_writefifo_shift [2022-11-16 20:19:28,808 INFO L130 BoogieDeclarations]: Found specification of procedure readw [2022-11-16 20:19:28,808 INFO L138 BoogieDeclarations]: Found implementation of procedure readw [2022-11-16 20:19:28,808 INFO L130 BoogieDeclarations]: Found specification of procedure readl [2022-11-16 20:19:28,808 INFO L138 BoogieDeclarations]: Found implementation of procedure readl [2022-11-16 20:19:28,808 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-16 20:19:28,808 INFO L130 BoogieDeclarations]: Found specification of procedure resource_size [2022-11-16 20:19:28,810 INFO L138 BoogieDeclarations]: Found implementation of procedure resource_size [2022-11-16 20:19:28,813 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2022-11-16 20:19:28,813 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2022-11-16 20:19:28,813 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_netdev [2022-11-16 20:19:28,814 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_netdev [2022-11-16 20:19:29,931 INFO L235 CfgBuilder]: Building ICFG [2022-11-16 20:19:29,934 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-16 20:19:30,471 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-11-16 20:19:34,586 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2022-11-16 20:19:34,824 INFO L276 CfgBuilder]: Performing block encoding [2022-11-16 20:19:36,826 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-16 20:19:36,827 INFO L300 CfgBuilder]: Removed 2 assume(true) statements. [2022-11-16 20:19:36,832 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 08:19:36 BoogieIcfgContainer [2022-11-16 20:19:36,833 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-16 20:19:36,835 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-16 20:19:36,835 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-16 20:19:36,839 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-16 20:19:36,840 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.11 08:19:23" (1/3) ... [2022-11-16 20:19:36,840 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2495f45c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 08:19:36, skipping insertion in model container [2022-11-16 20:19:36,840 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 08:19:27" (2/3) ... [2022-11-16 20:19:36,841 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2495f45c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 08:19:36, skipping insertion in model container [2022-11-16 20:19:36,841 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 08:19:36" (3/3) ... [2022-11-16 20:19:36,845 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-drivers-clk1_drivers-net-ethernet-smsc-smsc911x.cil.i [2022-11-16 20:19:36,875 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-16 20:19:36,875 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-16 20:19:37,010 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-16 20:19:37,017 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@5b45b60e, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-16 20:19:37,017 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-16 20:19:37,030 INFO L276 IsEmpty]: Start isEmpty. Operand has 2078 states, 1233 states have (on average 1.3090024330900243) internal successors, (1614), 1267 states have internal predecessors, (1614), 734 states have call successors, (734), 113 states have call predecessors, (734), 112 states have return successors, (725), 716 states have call predecessors, (725), 725 states have call successors, (725) [2022-11-16 20:19:37,058 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 212 [2022-11-16 20:19:37,059 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 20:19:37,060 INFO L195 NwaCegarLoop]: trace histogram [20, 19, 19, 19, 19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 20:19:37,061 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_assert_linux_drivers_clk1__more_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_drivers_clk1__more_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 20:19:37,067 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 20:19:37,068 INFO L85 PathProgramCache]: Analyzing trace with hash -1828121786, now seen corresponding path program 1 times [2022-11-16 20:19:37,079 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-16 20:19:37,080 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [428747108] [2022-11-16 20:19:37,080 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 20:19:37,081 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 20:19:37,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 20:19:38,036 INFO L134 CoverageAnalysis]: Checked inductivity of 1406 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1406 trivial. 0 not checked. [2022-11-16 20:19:38,036 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-16 20:19:38,039 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [428747108] [2022-11-16 20:19:38,040 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [428747108] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 20:19:38,040 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 20:19:38,040 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-16 20:19:38,042 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [108816249] [2022-11-16 20:19:38,043 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 20:19:38,049 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-16 20:19:38,050 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-16 20:19:38,091 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-16 20:19:38,093 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-16 20:19:38,102 INFO L87 Difference]: Start difference. First operand has 2078 states, 1233 states have (on average 1.3090024330900243) internal successors, (1614), 1267 states have internal predecessors, (1614), 734 states have call successors, (734), 113 states have call predecessors, (734), 112 states have return successors, (725), 716 states have call predecessors, (725), 725 states have call successors, (725) Second operand has 3 states, 3 states have (on average 12.666666666666666) internal successors, (38), 3 states have internal predecessors, (38), 3 states have call successors, (24), 2 states have call predecessors, (24), 1 states have return successors, (22), 3 states have call predecessors, (22), 3 states have call successors, (22) [2022-11-16 20:19:40,456 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 20:19:40,457 INFO L93 Difference]: Finished difference Result 6071 states and 9446 transitions. [2022-11-16 20:19:40,458 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-16 20:19:40,460 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 12.666666666666666) internal successors, (38), 3 states have internal predecessors, (38), 3 states have call successors, (24), 2 states have call predecessors, (24), 1 states have return successors, (22), 3 states have call predecessors, (22), 3 states have call successors, (22) Word has length 211 [2022-11-16 20:19:40,461 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 20:19:40,539 INFO L225 Difference]: With dead ends: 6071 [2022-11-16 20:19:40,543 INFO L226 Difference]: Without dead ends: 4019 [2022-11-16 20:19:40,576 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-16 20:19:40,585 INFO L413 NwaCegarLoop]: 3361 mSDtfsCounter, 2925 mSDsluCounter, 2639 mSDsCounter, 0 mSdLazyCounter, 762 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2925 SdHoareTripleChecker+Valid, 6000 SdHoareTripleChecker+Invalid, 769 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 762 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2022-11-16 20:19:40,586 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2925 Valid, 6000 Invalid, 769 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [7 Valid, 762 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2022-11-16 20:19:40,619 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4019 states. [2022-11-16 20:19:41,041 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4019 to 4019. [2022-11-16 20:19:41,054 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4019 states, 2393 states have (on average 1.299623903050564) internal successors, (3110), 2462 states have internal predecessors, (3110), 1405 states have call successors, (1405), 221 states have call predecessors, (1405), 220 states have return successors, (1401), 1383 states have call predecessors, (1401), 1401 states have call successors, (1401) [2022-11-16 20:19:41,095 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4019 states to 4019 states and 5916 transitions. [2022-11-16 20:19:41,101 INFO L78 Accepts]: Start accepts. Automaton has 4019 states and 5916 transitions. Word has length 211 [2022-11-16 20:19:41,105 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 20:19:41,105 INFO L495 AbstractCegarLoop]: Abstraction has 4019 states and 5916 transitions. [2022-11-16 20:19:41,106 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 12.666666666666666) internal successors, (38), 3 states have internal predecessors, (38), 3 states have call successors, (24), 2 states have call predecessors, (24), 1 states have return successors, (22), 3 states have call predecessors, (22), 3 states have call successors, (22) [2022-11-16 20:19:41,106 INFO L276 IsEmpty]: Start isEmpty. Operand 4019 states and 5916 transitions. [2022-11-16 20:19:41,136 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 254 [2022-11-16 20:19:41,136 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 20:19:41,137 INFO L195 NwaCegarLoop]: trace histogram [23, 19, 19, 19, 19, 19, 19, 4, 4, 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] [2022-11-16 20:19:41,137 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-16 20:19:41,138 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_assert_linux_drivers_clk1__more_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_drivers_clk1__more_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 20:19:41,140 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 20:19:41,141 INFO L85 PathProgramCache]: Analyzing trace with hash 1792293934, now seen corresponding path program 1 times [2022-11-16 20:19:41,141 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-16 20:19:41,141 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1574283669] [2022-11-16 20:19:41,142 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 20:19:41,142 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 20:19:41,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 20:19:42,282 INFO L134 CoverageAnalysis]: Checked inductivity of 1559 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1559 trivial. 0 not checked. [2022-11-16 20:19:42,283 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-16 20:19:42,283 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1574283669] [2022-11-16 20:19:42,283 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1574283669] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 20:19:42,283 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 20:19:42,283 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-16 20:19:42,284 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1423789937] [2022-11-16 20:19:42,284 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 20:19:42,287 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-16 20:19:42,287 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-16 20:19:42,288 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-16 20:19:42,288 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-16 20:19:42,289 INFO L87 Difference]: Start difference. First operand 4019 states and 5916 transitions. Second operand has 5 states, 5 states have (on average 10.0) internal successors, (50), 4 states have internal predecessors, (50), 2 states have call successors, (30), 3 states have call predecessors, (30), 1 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) [2022-11-16 20:19:44,264 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 20:19:44,264 INFO L93 Difference]: Finished difference Result 4025 states and 5921 transitions. [2022-11-16 20:19:44,265 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-16 20:19:44,265 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 10.0) internal successors, (50), 4 states have internal predecessors, (50), 2 states have call successors, (30), 3 states have call predecessors, (30), 1 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) Word has length 253 [2022-11-16 20:19:44,266 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 20:19:44,309 INFO L225 Difference]: With dead ends: 4025 [2022-11-16 20:19:44,309 INFO L226 Difference]: Without dead ends: 4021 [2022-11-16 20:19:44,314 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-11-16 20:19:44,315 INFO L413 NwaCegarLoop]: 2646 mSDtfsCounter, 2964 mSDsluCounter, 5289 mSDsCounter, 0 mSdLazyCounter, 1125 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2965 SdHoareTripleChecker+Valid, 7935 SdHoareTripleChecker+Invalid, 1126 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1125 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2022-11-16 20:19:44,316 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2965 Valid, 7935 Invalid, 1126 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1 Valid, 1125 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2022-11-16 20:19:44,324 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4021 states. [2022-11-16 20:19:44,706 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4021 to 4021. [2022-11-16 20:19:44,717 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4021 states, 2395 states have (on average 1.2989561586638831) internal successors, (3111), 2463 states have internal predecessors, (3111), 1405 states have call successors, (1405), 222 states have call predecessors, (1405), 220 states have return successors, (1401), 1383 states have call predecessors, (1401), 1401 states have call successors, (1401) [2022-11-16 20:19:44,759 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4021 states to 4021 states and 5917 transitions. [2022-11-16 20:19:44,761 INFO L78 Accepts]: Start accepts. Automaton has 4021 states and 5917 transitions. Word has length 253 [2022-11-16 20:19:44,764 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 20:19:44,764 INFO L495 AbstractCegarLoop]: Abstraction has 4021 states and 5917 transitions. [2022-11-16 20:19:44,765 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 10.0) internal successors, (50), 4 states have internal predecessors, (50), 2 states have call successors, (30), 3 states have call predecessors, (30), 1 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) [2022-11-16 20:19:44,765 INFO L276 IsEmpty]: Start isEmpty. Operand 4021 states and 5917 transitions. [2022-11-16 20:19:44,782 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 259 [2022-11-16 20:19:44,782 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 20:19:44,783 INFO L195 NwaCegarLoop]: trace histogram [23, 19, 19, 19, 19, 19, 19, 4, 4, 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] [2022-11-16 20:19:44,783 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-16 20:19:44,783 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_assert_linux_drivers_clk1__more_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_drivers_clk1__more_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 20:19:44,784 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 20:19:44,784 INFO L85 PathProgramCache]: Analyzing trace with hash 878448971, now seen corresponding path program 1 times [2022-11-16 20:19:44,785 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-16 20:19:44,786 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [636876500] [2022-11-16 20:19:44,786 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 20:19:44,786 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 20:19:44,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 20:19:45,679 INFO L134 CoverageAnalysis]: Checked inductivity of 1561 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1559 trivial. 0 not checked. [2022-11-16 20:19:45,679 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-16 20:19:45,680 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [636876500] [2022-11-16 20:19:45,680 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [636876500] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 20:19:45,680 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 20:19:45,681 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-16 20:19:45,681 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1245035549] [2022-11-16 20:19:45,681 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 20:19:45,682 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-16 20:19:45,682 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-16 20:19:45,683 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-16 20:19:45,683 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-16 20:19:45,684 INFO L87 Difference]: Start difference. First operand 4021 states and 5917 transitions. Second operand has 5 states, 5 states have (on average 10.6) internal successors, (53), 4 states have internal predecessors, (53), 2 states have call successors, (31), 3 states have call predecessors, (31), 1 states have return successors, (29), 2 states have call predecessors, (29), 2 states have call successors, (29) [2022-11-16 20:19:49,162 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 20:19:49,163 INFO L93 Difference]: Finished difference Result 8003 states and 11820 transitions. [2022-11-16 20:19:49,163 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-16 20:19:49,164 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 10.6) internal successors, (53), 4 states have internal predecessors, (53), 2 states have call successors, (31), 3 states have call predecessors, (31), 1 states have return successors, (29), 2 states have call predecessors, (29), 2 states have call successors, (29) Word has length 258 [2022-11-16 20:19:49,165 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 20:19:49,246 INFO L225 Difference]: With dead ends: 8003 [2022-11-16 20:19:49,246 INFO L226 Difference]: Without dead ends: 7981 [2022-11-16 20:19:49,253 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-11-16 20:19:49,254 INFO L413 NwaCegarLoop]: 3400 mSDtfsCounter, 2954 mSDsluCounter, 9408 mSDsCounter, 0 mSdLazyCounter, 1507 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2954 SdHoareTripleChecker+Valid, 12808 SdHoareTripleChecker+Invalid, 1510 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 1507 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.8s IncrementalHoareTripleChecker+Time [2022-11-16 20:19:49,255 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2954 Valid, 12808 Invalid, 1510 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [3 Valid, 1507 Invalid, 0 Unknown, 0 Unchecked, 2.8s Time] [2022-11-16 20:19:49,271 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7981 states. [2022-11-16 20:19:49,967 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7981 to 7979. [2022-11-16 20:19:49,996 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7979 states, 4760 states have (on average 1.3002100840336135) internal successors, (6189), 4896 states have internal predecessors, (6189), 2780 states have call successors, (2780), 440 states have call predecessors, (2780), 438 states have return successors, (2820), 2738 states have call predecessors, (2820), 2776 states have call successors, (2820) [2022-11-16 20:19:50,071 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7979 states to 7979 states and 11789 transitions. [2022-11-16 20:19:50,074 INFO L78 Accepts]: Start accepts. Automaton has 7979 states and 11789 transitions. Word has length 258 [2022-11-16 20:19:50,075 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 20:19:50,077 INFO L495 AbstractCegarLoop]: Abstraction has 7979 states and 11789 transitions. [2022-11-16 20:19:50,079 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 10.6) internal successors, (53), 4 states have internal predecessors, (53), 2 states have call successors, (31), 3 states have call predecessors, (31), 1 states have return successors, (29), 2 states have call predecessors, (29), 2 states have call successors, (29) [2022-11-16 20:19:50,079 INFO L276 IsEmpty]: Start isEmpty. Operand 7979 states and 11789 transitions. [2022-11-16 20:19:50,139 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 493 [2022-11-16 20:19:50,140 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 20:19:50,140 INFO L195 NwaCegarLoop]: trace histogram [32, 25, 25, 25, 25, 25, 25, 6, 6, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 20:19:50,141 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-16 20:19:50,141 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_assert_linux_drivers_clk1__more_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_drivers_clk1__more_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 20:19:50,142 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 20:19:50,143 INFO L85 PathProgramCache]: Analyzing trace with hash 1403656871, now seen corresponding path program 1 times [2022-11-16 20:19:50,143 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-16 20:19:50,143 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [231455415] [2022-11-16 20:19:50,143 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 20:19:50,144 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 20:19:50,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 20:19:50,937 INFO L134 CoverageAnalysis]: Checked inductivity of 2910 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 2902 trivial. 0 not checked. [2022-11-16 20:19:50,937 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-16 20:19:50,938 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [231455415] [2022-11-16 20:19:50,938 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [231455415] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 20:19:50,938 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 20:19:50,938 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-16 20:19:50,939 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [737068523] [2022-11-16 20:19:50,939 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 20:19:50,940 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-16 20:19:50,940 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-16 20:19:50,940 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-16 20:19:50,941 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-16 20:19:50,941 INFO L87 Difference]: Start difference. First operand 7979 states and 11789 transitions. Second operand has 3 states, 3 states have (on average 45.666666666666664) internal successors, (137), 3 states have internal predecessors, (137), 3 states have call successors, (69), 2 states have call predecessors, (69), 1 states have return successors, (67), 3 states have call predecessors, (67), 3 states have call successors, (67) [2022-11-16 20:19:53,963 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 20:19:53,963 INFO L93 Difference]: Finished difference Result 23151 states and 34153 transitions. [2022-11-16 20:19:53,964 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-16 20:19:53,964 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 45.666666666666664) internal successors, (137), 3 states have internal predecessors, (137), 3 states have call successors, (69), 2 states have call predecessors, (69), 1 states have return successors, (67), 3 states have call predecessors, (67), 3 states have call successors, (67) Word has length 492 [2022-11-16 20:19:53,965 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 20:19:54,123 INFO L225 Difference]: With dead ends: 23151 [2022-11-16 20:19:54,124 INFO L226 Difference]: Without dead ends: 15211 [2022-11-16 20:19:54,189 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-16 20:19:54,192 INFO L413 NwaCegarLoop]: 3850 mSDtfsCounter, 2657 mSDsluCounter, 2594 mSDsCounter, 0 mSdLazyCounter, 898 mSolverCounterSat, 29 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2657 SdHoareTripleChecker+Valid, 6444 SdHoareTripleChecker+Invalid, 927 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 29 IncrementalHoareTripleChecker+Valid, 898 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.9s IncrementalHoareTripleChecker+Time [2022-11-16 20:19:54,196 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2657 Valid, 6444 Invalid, 927 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [29 Valid, 898 Invalid, 0 Unknown, 0 Unchecked, 1.9s Time] [2022-11-16 20:19:54,222 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15211 states. [2022-11-16 20:19:55,723 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15211 to 15190. [2022-11-16 20:19:55,757 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15190 states, 9010 states have (on average 1.2874583795782464) internal successors, (11600), 9279 states have internal predecessors, (11600), 5324 states have call successors, (5324), 857 states have call predecessors, (5324), 855 states have return successors, (5366), 5241 states have call predecessors, (5366), 5320 states have call successors, (5366) [2022-11-16 20:19:55,917 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15190 states to 15190 states and 22290 transitions. [2022-11-16 20:19:55,925 INFO L78 Accepts]: Start accepts. Automaton has 15190 states and 22290 transitions. Word has length 492 [2022-11-16 20:19:55,926 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 20:19:55,927 INFO L495 AbstractCegarLoop]: Abstraction has 15190 states and 22290 transitions. [2022-11-16 20:19:55,927 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 45.666666666666664) internal successors, (137), 3 states have internal predecessors, (137), 3 states have call successors, (69), 2 states have call predecessors, (69), 1 states have return successors, (67), 3 states have call predecessors, (67), 3 states have call successors, (67) [2022-11-16 20:19:55,927 INFO L276 IsEmpty]: Start isEmpty. Operand 15190 states and 22290 transitions. [2022-11-16 20:19:56,037 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 505 [2022-11-16 20:19:56,038 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 20:19:56,038 INFO L195 NwaCegarLoop]: trace histogram [33, 25, 25, 25, 25, 25, 25, 8, 8, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 20:19:56,039 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-16 20:19:56,039 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_assert_linux_drivers_clk1__more_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_drivers_clk1__more_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 20:19:56,039 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 20:19:56,040 INFO L85 PathProgramCache]: Analyzing trace with hash 298828259, now seen corresponding path program 1 times [2022-11-16 20:19:56,040 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-16 20:19:56,040 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2109342943] [2022-11-16 20:19:56,041 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 20:19:56,041 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 20:19:56,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 20:19:56,835 INFO L134 CoverageAnalysis]: Checked inductivity of 3017 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 3009 trivial. 0 not checked. [2022-11-16 20:19:56,836 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-16 20:19:56,836 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2109342943] [2022-11-16 20:19:56,836 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2109342943] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 20:19:56,836 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 20:19:56,837 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-16 20:19:56,837 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1753515312] [2022-11-16 20:19:56,837 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 20:19:56,838 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-16 20:19:56,838 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-16 20:19:56,839 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-16 20:19:56,839 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-16 20:19:56,840 INFO L87 Difference]: Start difference. First operand 15190 states and 22290 transitions. Second operand has 3 states, 3 states have (on average 45.333333333333336) internal successors, (136), 3 states have internal predecessors, (136), 3 states have call successors, (71), 2 states have call predecessors, (71), 1 states have return successors, (69), 3 states have call predecessors, (69), 3 states have call successors, (69) [2022-11-16 20:19:59,815 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 20:19:59,815 INFO L93 Difference]: Finished difference Result 29797 states and 43632 transitions. [2022-11-16 20:19:59,816 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-16 20:19:59,816 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 45.333333333333336) internal successors, (136), 3 states have internal predecessors, (136), 3 states have call successors, (71), 2 states have call predecessors, (71), 1 states have return successors, (69), 3 states have call predecessors, (69), 3 states have call successors, (69) Word has length 504 [2022-11-16 20:19:59,817 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 20:19:59,930 INFO L225 Difference]: With dead ends: 29797 [2022-11-16 20:19:59,930 INFO L226 Difference]: Without dead ends: 14646 [2022-11-16 20:20:00,016 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-16 20:20:00,017 INFO L413 NwaCegarLoop]: 4125 mSDtfsCounter, 2878 mSDsluCounter, 2622 mSDsCounter, 0 mSdLazyCounter, 907 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2878 SdHoareTripleChecker+Valid, 6747 SdHoareTripleChecker+Invalid, 920 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 907 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.9s IncrementalHoareTripleChecker+Time [2022-11-16 20:20:00,018 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2878 Valid, 6747 Invalid, 920 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 907 Invalid, 0 Unknown, 0 Unchecked, 1.9s Time] [2022-11-16 20:20:00,040 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14646 states. [2022-11-16 20:20:01,160 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14646 to 14629. [2022-11-16 20:20:01,182 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14629 states, 8749 states have (on average 1.2873471253857585) internal successors, (11263), 9020 states have internal predecessors, (11263), 5013 states have call successors, (5013), 870 states have call predecessors, (5013), 866 states have return successors, (5053), 4922 states have call predecessors, (5053), 5009 states have call successors, (5053) [2022-11-16 20:20:01,286 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14629 states to 14629 states and 21329 transitions. [2022-11-16 20:20:01,295 INFO L78 Accepts]: Start accepts. Automaton has 14629 states and 21329 transitions. Word has length 504 [2022-11-16 20:20:01,296 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 20:20:01,296 INFO L495 AbstractCegarLoop]: Abstraction has 14629 states and 21329 transitions. [2022-11-16 20:20:01,296 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 45.333333333333336) internal successors, (136), 3 states have internal predecessors, (136), 3 states have call successors, (71), 2 states have call predecessors, (71), 1 states have return successors, (69), 3 states have call predecessors, (69), 3 states have call successors, (69) [2022-11-16 20:20:01,297 INFO L276 IsEmpty]: Start isEmpty. Operand 14629 states and 21329 transitions. [2022-11-16 20:20:01,366 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 513 [2022-11-16 20:20:01,366 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 20:20:01,367 INFO L195 NwaCegarLoop]: trace histogram [33, 25, 25, 25, 25, 25, 25, 10, 10, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 20:20:01,367 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-11-16 20:20:01,368 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_assert_linux_drivers_clk1__more_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_drivers_clk1__more_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 20:20:01,368 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 20:20:01,368 INFO L85 PathProgramCache]: Analyzing trace with hash 1262875248, now seen corresponding path program 1 times [2022-11-16 20:20:01,369 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-16 20:20:01,369 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [742425707] [2022-11-16 20:20:01,369 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 20:20:01,369 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 20:20:01,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 20:20:02,228 INFO L134 CoverageAnalysis]: Checked inductivity of 3063 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 3051 trivial. 0 not checked. [2022-11-16 20:20:02,231 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-16 20:20:02,231 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [742425707] [2022-11-16 20:20:02,232 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [742425707] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 20:20:02,232 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 20:20:02,232 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-16 20:20:02,233 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [610053323] [2022-11-16 20:20:02,233 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 20:20:02,235 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-16 20:20:02,235 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-16 20:20:02,236 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-16 20:20:02,237 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-16 20:20:02,237 INFO L87 Difference]: Start difference. First operand 14629 states and 21329 transitions. Second operand has 3 states, 3 states have (on average 47.0) internal successors, (141), 3 states have internal predecessors, (141), 3 states have call successors, (75), 2 states have call predecessors, (75), 1 states have return successors, (73), 3 states have call predecessors, (73), 3 states have call successors, (73) [2022-11-16 20:20:05,788 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 20:20:05,788 INFO L93 Difference]: Finished difference Result 34203 states and 49920 transitions. [2022-11-16 20:20:05,789 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-16 20:20:05,789 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 47.0) internal successors, (141), 3 states have internal predecessors, (141), 3 states have call successors, (75), 2 states have call predecessors, (75), 1 states have return successors, (73), 3 states have call predecessors, (73), 3 states have call successors, (73) Word has length 512 [2022-11-16 20:20:05,790 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 20:20:05,995 INFO L225 Difference]: With dead ends: 34203 [2022-11-16 20:20:05,995 INFO L226 Difference]: Without dead ends: 20585 [2022-11-16 20:20:06,098 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-16 20:20:06,099 INFO L413 NwaCegarLoop]: 5163 mSDtfsCounter, 2870 mSDsluCounter, 2623 mSDsCounter, 0 mSdLazyCounter, 1128 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2870 SdHoareTripleChecker+Valid, 7786 SdHoareTripleChecker+Invalid, 1139 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 1128 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.0s IncrementalHoareTripleChecker+Time [2022-11-16 20:20:06,100 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2870 Valid, 7786 Invalid, 1139 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [11 Valid, 1128 Invalid, 0 Unknown, 0 Unchecked, 2.0s Time] [2022-11-16 20:20:06,132 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20585 states. [2022-11-16 20:20:07,997 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20585 to 20568. [2022-11-16 20:20:08,020 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20568 states, 12328 states have (on average 1.2882868267358858) internal successors, (15882), 12714 states have internal predecessors, (15882), 7013 states have call successors, (7013), 1232 states have call predecessors, (7013), 1226 states have return successors, (7074), 6881 states have call predecessors, (7074), 7009 states have call successors, (7074) [2022-11-16 20:20:08,156 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20568 states to 20568 states and 29969 transitions. [2022-11-16 20:20:08,166 INFO L78 Accepts]: Start accepts. Automaton has 20568 states and 29969 transitions. Word has length 512 [2022-11-16 20:20:08,168 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 20:20:08,169 INFO L495 AbstractCegarLoop]: Abstraction has 20568 states and 29969 transitions. [2022-11-16 20:20:08,169 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 47.0) internal successors, (141), 3 states have internal predecessors, (141), 3 states have call successors, (75), 2 states have call predecessors, (75), 1 states have return successors, (73), 3 states have call predecessors, (73), 3 states have call successors, (73) [2022-11-16 20:20:08,169 INFO L276 IsEmpty]: Start isEmpty. Operand 20568 states and 29969 transitions. [2022-11-16 20:20:08,254 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 551 [2022-11-16 20:20:08,255 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 20:20:08,255 INFO L195 NwaCegarLoop]: trace histogram [35, 25, 25, 25, 25, 25, 25, 11, 11, 5, 4, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 20:20:08,255 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-11-16 20:20:08,256 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_assert_linux_drivers_clk1__more_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_drivers_clk1__more_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 20:20:08,256 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 20:20:08,257 INFO L85 PathProgramCache]: Analyzing trace with hash -1971267782, now seen corresponding path program 1 times [2022-11-16 20:20:08,257 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-16 20:20:08,257 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [448090377] [2022-11-16 20:20:08,257 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 20:20:08,258 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 20:20:08,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 20:20:11,042 INFO L134 CoverageAnalysis]: Checked inductivity of 3263 backedges. 56 proven. 10 refuted. 0 times theorem prover too weak. 3197 trivial. 0 not checked. [2022-11-16 20:20:11,042 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-16 20:20:11,043 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [448090377] [2022-11-16 20:20:11,043 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [448090377] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-16 20:20:11,043 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [280714635] [2022-11-16 20:20:11,043 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 20:20:11,044 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-16 20:20:11,044 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b84e1e31-74a6-498f-91a0-633ab72d08b8/bin/utaipan-Xvt2sAort0/z3 [2022-11-16 20:20:11,048 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b84e1e31-74a6-498f-91a0-633ab72d08b8/bin/utaipan-Xvt2sAort0/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-16 20:20:11,092 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b84e1e31-74a6-498f-91a0-633ab72d08b8/bin/utaipan-Xvt2sAort0/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-11-16 20:20:13,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 20:20:13,088 INFO L263 TraceCheckSpWp]: Trace formula consists of 4364 conjuncts, 32 conjunts are in the unsatisfiable core [2022-11-16 20:20:13,143 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 20:20:14,221 INFO L134 CoverageAnalysis]: Checked inductivity of 3263 backedges. 44 proven. 1136 refuted. 0 times theorem prover too weak. 2083 trivial. 0 not checked. [2022-11-16 20:20:14,221 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-16 20:20:15,867 INFO L134 CoverageAnalysis]: Checked inductivity of 3263 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 3261 trivial. 0 not checked. [2022-11-16 20:20:15,868 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [280714635] provided 1 perfect and 1 imperfect interpolant sequences [2022-11-16 20:20:15,868 INFO L184 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2022-11-16 20:20:15,869 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [7, 8] total 19 [2022-11-16 20:20:15,869 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1859015373] [2022-11-16 20:20:15,869 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 20:20:15,871 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-11-16 20:20:15,871 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-16 20:20:15,872 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-11-16 20:20:15,873 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=50, Invalid=292, Unknown=0, NotChecked=0, Total=342 [2022-11-16 20:20:15,873 INFO L87 Difference]: Start difference. First operand 20568 states and 29969 transitions. Second operand has 9 states, 9 states have (on average 15.88888888888889) internal successors, (143), 7 states have internal predecessors, (143), 3 states have call successors, (76), 4 states have call predecessors, (76), 2 states have return successors, (74), 4 states have call predecessors, (74), 3 states have call successors, (74) [2022-11-16 20:20:30,951 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 20:20:30,951 INFO L93 Difference]: Finished difference Result 31803 states and 46724 transitions. [2022-11-16 20:20:30,952 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-11-16 20:20:30,952 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 15.88888888888889) internal successors, (143), 7 states have internal predecessors, (143), 3 states have call successors, (76), 4 states have call predecessors, (76), 2 states have return successors, (74), 4 states have call predecessors, (74), 3 states have call successors, (74) Word has length 550 [2022-11-16 20:20:30,953 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 20:20:31,167 INFO L225 Difference]: With dead ends: 31803 [2022-11-16 20:20:31,167 INFO L226 Difference]: Without dead ends: 31744 [2022-11-16 20:20:31,188 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1111 GetRequests, 1089 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=97, Invalid=455, Unknown=0, NotChecked=0, Total=552 [2022-11-16 20:20:31,189 INFO L413 NwaCegarLoop]: 3169 mSDtfsCounter, 9028 mSDsluCounter, 7799 mSDsCounter, 0 mSdLazyCounter, 6897 mSolverCounterSat, 4464 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 11.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9562 SdHoareTripleChecker+Valid, 10968 SdHoareTripleChecker+Invalid, 11361 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 4464 IncrementalHoareTripleChecker+Valid, 6897 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 12.9s IncrementalHoareTripleChecker+Time [2022-11-16 20:20:31,190 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [9562 Valid, 10968 Invalid, 11361 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [4464 Valid, 6897 Invalid, 0 Unknown, 0 Unchecked, 12.9s Time] [2022-11-16 20:20:31,224 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 31744 states. [2022-11-16 20:20:33,660 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 31744 to 31732. [2022-11-16 20:20:33,686 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 31732 states, 19019 states have (on average 1.2897628687102372) internal successors, (24530), 19602 states have internal predecessors, (24530), 10900 states have call successors, (10900), 1811 states have call predecessors, (10900), 1812 states have return successors, (11161), 10713 states have call predecessors, (11161), 10896 states have call successors, (11161) [2022-11-16 20:20:33,914 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31732 states to 31732 states and 46591 transitions. [2022-11-16 20:20:33,926 INFO L78 Accepts]: Start accepts. Automaton has 31732 states and 46591 transitions. Word has length 550 [2022-11-16 20:20:33,927 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 20:20:33,927 INFO L495 AbstractCegarLoop]: Abstraction has 31732 states and 46591 transitions. [2022-11-16 20:20:33,928 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 15.88888888888889) internal successors, (143), 7 states have internal predecessors, (143), 3 states have call successors, (76), 4 states have call predecessors, (76), 2 states have return successors, (74), 4 states have call predecessors, (74), 3 states have call successors, (74) [2022-11-16 20:20:33,928 INFO L276 IsEmpty]: Start isEmpty. Operand 31732 states and 46591 transitions. [2022-11-16 20:20:34,004 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 584 [2022-11-16 20:20:34,005 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 20:20:34,005 INFO L195 NwaCegarLoop]: trace histogram [35, 25, 25, 25, 25, 25, 25, 12, 12, 6, 5, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 20:20:34,029 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b84e1e31-74a6-498f-91a0-633ab72d08b8/bin/utaipan-Xvt2sAort0/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-11-16 20:20:34,222 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b84e1e31-74a6-498f-91a0-633ab72d08b8/bin/utaipan-Xvt2sAort0/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-16 20:20:34,223 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_assert_linux_drivers_clk1__more_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_drivers_clk1__more_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 20:20:34,223 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 20:20:34,223 INFO L85 PathProgramCache]: Analyzing trace with hash 481635154, now seen corresponding path program 1 times [2022-11-16 20:20:34,224 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-16 20:20:34,224 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1113289740] [2022-11-16 20:20:34,224 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 20:20:34,224 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 20:20:34,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 20:20:36,824 INFO L134 CoverageAnalysis]: Checked inductivity of 3340 backedges. 52 proven. 10 refuted. 0 times theorem prover too weak. 3278 trivial. 0 not checked. [2022-11-16 20:20:36,826 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-16 20:20:36,826 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1113289740] [2022-11-16 20:20:36,827 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1113289740] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-16 20:20:36,827 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1193504980] [2022-11-16 20:20:36,827 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 20:20:36,827 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-16 20:20:36,828 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b84e1e31-74a6-498f-91a0-633ab72d08b8/bin/utaipan-Xvt2sAort0/z3 [2022-11-16 20:20:36,832 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b84e1e31-74a6-498f-91a0-633ab72d08b8/bin/utaipan-Xvt2sAort0/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-16 20:20:36,851 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b84e1e31-74a6-498f-91a0-633ab72d08b8/bin/utaipan-Xvt2sAort0/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-11-16 20:20:38,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 20:20:38,520 INFO L263 TraceCheckSpWp]: Trace formula consists of 4636 conjuncts, 10 conjunts are in the unsatisfiable core [2022-11-16 20:20:38,536 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 20:20:38,723 INFO L134 CoverageAnalysis]: Checked inductivity of 3340 backedges. 130 proven. 3 refuted. 0 times theorem prover too weak. 3207 trivial. 0 not checked. [2022-11-16 20:20:38,723 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-16 20:20:39,718 INFO L134 CoverageAnalysis]: Checked inductivity of 3340 backedges. 36 proven. 0 refuted. 0 times theorem prover too weak. 3304 trivial. 0 not checked. [2022-11-16 20:20:39,718 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1193504980] provided 1 perfect and 1 imperfect interpolant sequences [2022-11-16 20:20:39,719 INFO L184 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2022-11-16 20:20:39,719 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [7, 7] total 16 [2022-11-16 20:20:39,719 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1896533063] [2022-11-16 20:20:39,720 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 20:20:39,721 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-11-16 20:20:39,721 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-16 20:20:39,721 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-11-16 20:20:39,722 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=202, Unknown=0, NotChecked=0, Total=240 [2022-11-16 20:20:39,722 INFO L87 Difference]: Start difference. First operand 31732 states and 46591 transitions. Second operand has 7 states, 6 states have (on average 26.5) internal successors, (159), 7 states have internal predecessors, (159), 4 states have call successors, (84), 3 states have call predecessors, (84), 3 states have return successors, (82), 4 states have call predecessors, (82), 4 states have call successors, (82) [2022-11-16 20:20:56,368 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 20:20:56,368 INFO L93 Difference]: Finished difference Result 71684 states and 105301 transitions. [2022-11-16 20:20:56,368 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-11-16 20:20:56,369 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 26.5) internal successors, (159), 7 states have internal predecessors, (159), 4 states have call successors, (84), 3 states have call predecessors, (84), 3 states have return successors, (82), 4 states have call predecessors, (82), 4 states have call successors, (82) Word has length 583 [2022-11-16 20:20:56,370 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 20:20:56,662 INFO L225 Difference]: With dead ends: 71684 [2022-11-16 20:20:56,662 INFO L226 Difference]: Without dead ends: 40951 [2022-11-16 20:20:56,967 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1178 GetRequests, 1158 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=77, Invalid=385, Unknown=0, NotChecked=0, Total=462 [2022-11-16 20:20:56,968 INFO L413 NwaCegarLoop]: 2726 mSDtfsCounter, 6125 mSDsluCounter, 2087 mSDsCounter, 0 mSdLazyCounter, 9101 mSolverCounterSat, 1619 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 11.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6697 SdHoareTripleChecker+Valid, 4813 SdHoareTripleChecker+Invalid, 10720 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1619 IncrementalHoareTripleChecker+Valid, 9101 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 13.3s IncrementalHoareTripleChecker+Time [2022-11-16 20:20:56,969 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6697 Valid, 4813 Invalid, 10720 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1619 Valid, 9101 Invalid, 0 Unknown, 0 Unchecked, 13.3s Time] [2022-11-16 20:20:57,011 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 40951 states. [2022-11-16 20:20:59,712 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 40951 to 40934. [2022-11-16 20:20:59,741 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 40934 states, 24574 states have (on average 1.2913648571661105) internal successors, (31734), 25320 states have internal predecessors, (31734), 14005 states have call successors, (14005), 2347 states have call predecessors, (14005), 2354 states have return successors, (14351), 13778 states have call predecessors, (14351), 14001 states have call successors, (14351) [2022-11-16 20:20:59,952 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40934 states to 40934 states and 60090 transitions. [2022-11-16 20:20:59,968 INFO L78 Accepts]: Start accepts. Automaton has 40934 states and 60090 transitions. Word has length 583 [2022-11-16 20:20:59,969 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 20:20:59,969 INFO L495 AbstractCegarLoop]: Abstraction has 40934 states and 60090 transitions. [2022-11-16 20:20:59,970 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 26.5) internal successors, (159), 7 states have internal predecessors, (159), 4 states have call successors, (84), 3 states have call predecessors, (84), 3 states have return successors, (82), 4 states have call predecessors, (82), 4 states have call successors, (82) [2022-11-16 20:20:59,970 INFO L276 IsEmpty]: Start isEmpty. Operand 40934 states and 60090 transitions. [2022-11-16 20:21:00,060 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 580 [2022-11-16 20:21:00,060 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 20:21:00,061 INFO L195 NwaCegarLoop]: trace histogram [35, 25, 25, 25, 25, 25, 25, 11, 11, 6, 5, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 20:21:00,082 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b84e1e31-74a6-498f-91a0-633ab72d08b8/bin/utaipan-Xvt2sAort0/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-11-16 20:21:00,275 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b84e1e31-74a6-498f-91a0-633ab72d08b8/bin/utaipan-Xvt2sAort0/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-16 20:21:00,276 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_assert_linux_drivers_clk1__more_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_drivers_clk1__more_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 20:21:00,276 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 20:21:00,276 INFO L85 PathProgramCache]: Analyzing trace with hash -434442309, now seen corresponding path program 1 times [2022-11-16 20:21:00,276 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-16 20:21:00,276 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [559975323] [2022-11-16 20:21:00,276 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 20:21:00,277 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 20:21:00,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 20:21:02,710 INFO L134 CoverageAnalysis]: Checked inductivity of 3311 backedges. 56 proven. 10 refuted. 0 times theorem prover too weak. 3245 trivial. 0 not checked. [2022-11-16 20:21:02,711 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-16 20:21:02,711 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [559975323] [2022-11-16 20:21:02,711 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [559975323] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-16 20:21:02,711 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1155488938] [2022-11-16 20:21:02,712 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 20:21:02,712 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-16 20:21:02,712 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b84e1e31-74a6-498f-91a0-633ab72d08b8/bin/utaipan-Xvt2sAort0/z3 [2022-11-16 20:21:02,713 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b84e1e31-74a6-498f-91a0-633ab72d08b8/bin/utaipan-Xvt2sAort0/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-16 20:21:02,720 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b84e1e31-74a6-498f-91a0-633ab72d08b8/bin/utaipan-Xvt2sAort0/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-11-16 20:21:04,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 20:21:04,408 INFO L263 TraceCheckSpWp]: Trace formula consists of 4555 conjuncts, 48 conjunts are in the unsatisfiable core [2022-11-16 20:21:04,422 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 20:21:05,098 INFO L134 CoverageAnalysis]: Checked inductivity of 3311 backedges. 1374 proven. 19 refuted. 0 times theorem prover too weak. 1918 trivial. 0 not checked. [2022-11-16 20:21:05,098 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-16 20:21:06,025 INFO L134 CoverageAnalysis]: Checked inductivity of 3311 backedges. 37 proven. 21 refuted. 0 times theorem prover too weak. 3253 trivial. 0 not checked. [2022-11-16 20:21:06,026 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1155488938] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-16 20:21:06,026 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1873803428] [2022-11-16 20:21:06,055 INFO L159 IcfgInterpreter]: Started Sifa with 253 locations of interest [2022-11-16 20:21:06,055 INFO L166 IcfgInterpreter]: Building call graph [2022-11-16 20:21:06,065 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-16 20:21:06,081 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-16 20:21:06,087 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-16 20:27:21,645 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b84e1e31-74a6-498f-91a0-633ab72d08b8/bin/utaipan-Xvt2sAort0/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2022-11-16 20:27:21,833 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b84e1e31-74a6-498f-91a0-633ab72d08b8/bin/utaipan-Xvt2sAort0/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable8 [2022-11-16 20:27:21,835 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction has thrown an exception: java.lang.AssertionError: Maybe an infinite loop at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPushUtilsForSubsetPush.sequentialSubsetPush(QuantifierPushUtilsForSubsetPush.java:130) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.tryToPushOverDualFiniteConnective(QuantifierPusher.java:345) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPushTermWalker.convert(QuantifierPushTermWalker.java:188) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPushTermWalker.convert(QuantifierPushTermWalker.java:1) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.TermContextTransformationEngine$ApplicationTermTask.doStep(TermContextTransformationEngine.java:169) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.TermContextTransformationEngine.transform(TermContextTransformationEngine.java:77) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.TermContextTransformationEngine.transform(TermContextTransformationEngine.java:61) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPushTermWalker.eliminate(QuantifierPushTermWalker.java:295) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPushTermWalker.eliminate(QuantifierPushTermWalker.java:281) at de.uni_freiburg.informatik.ultimate.lib.sifa.SymbolicTools$EliminatingTermDomainOperationProvider.newQuantifier(SymbolicTools.java:285) at de.uni_freiburg.informatik.ultimate.lib.sifa.SymbolicTools$EliminatingTermDomainOperationProvider.projectExistentially(SymbolicTools.java:267) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.TermDomainOperationProvider.projectExistentially(TermDomainOperationProvider.java:1) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateTransformer.strongestPostconditionCall(PredicateTransformer.java:157) at de.uni_freiburg.informatik.ultimate.lib.sifa.SymbolicTools.postCall(SymbolicTools.java:132) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.ipretCallReturnSummary(DagInterpreter.java:218) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.ipretTransAndStoreLoiPred(DagInterpreter.java:207) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.ipretTrans(DagInterpreter.java:187) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.ipretNode(DagInterpreter.java:165) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.interpret(DagInterpreter.java:123) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.interpretForSingleMarker(DagInterpreter.java:97) at de.uni_freiburg.informatik.ultimate.lib.sifa.summarizers.FixpointLoopSummarizer.summarizeInternal(FixpointLoopSummarizer.java:125) at de.uni_freiburg.informatik.ultimate.lib.sifa.summarizers.FixpointLoopSummarizer.summarize(FixpointLoopSummarizer.java:98) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.ipretLoop(DagInterpreter.java:177) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.ipretNode(DagInterpreter.java:168) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.interpret(DagInterpreter.java:123) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.interpretForSingleMarker(DagInterpreter.java:97) at de.uni_freiburg.informatik.ultimate.lib.sifa.summarizers.FixpointLoopSummarizer.summarizeInternal(FixpointLoopSummarizer.java:125) at de.uni_freiburg.informatik.ultimate.lib.sifa.summarizers.FixpointLoopSummarizer.summarize(FixpointLoopSummarizer.java:98) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.ipretLoop(DagInterpreter.java:177) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.ipretNode(DagInterpreter.java:168) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.interpret(DagInterpreter.java:123) at de.uni_freiburg.informatik.ultimate.lib.sifa.IcfgInterpreter.interpretLoisInProcedure(IcfgInterpreter.java:136) at de.uni_freiburg.informatik.ultimate.lib.sifa.IcfgInterpreter.interpret(IcfgInterpreter.java:127) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.SifaRunner.(SifaRunner.java:102) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleSifa.construct(IpTcStrategyModuleSifa.java:68) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getOrConstruct(IpTcStrategyModuleBase.java:101) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getInterpolantComputationStatus(IpTcStrategyModuleBase.java:77) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.tracehandling.AutomatonFreeRefinementEngine.tryExecuteInterpolantGenerator(AutomatonFreeRefinementEngine.java:266) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.tracehandling.AutomatonFreeRefinementEngine.generateProof(AutomatonFreeRefinementEngine.java:147) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.tracehandling.AutomatonFreeRefinementEngine.executeStrategy(AutomatonFreeRefinementEngine.java:137) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.tracehandling.AutomatonFreeRefinementEngine.(AutomatonFreeRefinementEngine.java:85) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.(TraceAbstractionRefinementEngine.java:82) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.isCounterexampleFeasible(BasicCegarLoop.java:336) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:431) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.startCegar(AbstractCegarLoop.java:366) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.runCegar(AbstractCegarLoop.java:348) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.executeCegarLoop(TraceAbstractionStarter.java:415) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseProgram(TraceAbstractionStarter.java:302) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseSequentialProgram(TraceAbstractionStarter.java:262) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:175) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:154) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:124) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2022-11-16 20:27:21,844 INFO L158 Benchmark]: Toolchain (without parser) took 478050.39ms. Allocated memory was 119.5MB in the beginning and 5.3GB in the end (delta: 5.1GB). Free memory was 69.3MB in the beginning and 1.7GB in the end (delta: -1.6GB). Peak memory consumption was 3.9GB. Max. memory is 16.1GB. [2022-11-16 20:27:21,844 INFO L158 Benchmark]: CDTParser took 0.27ms. Allocated memory is still 119.5MB. Free memory is still 100.2MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-16 20:27:21,844 INFO L158 Benchmark]: CACSL2BoogieTranslator took 4100.79ms. Allocated memory was 119.5MB in the beginning and 245.4MB in the end (delta: 125.8MB). Free memory was 69.1MB in the beginning and 148.3MB in the end (delta: -79.2MB). Peak memory consumption was 83.2MB. Max. memory is 16.1GB. [2022-11-16 20:27:21,845 INFO L158 Benchmark]: Boogie Procedure Inliner took 384.31ms. Allocated memory is still 245.4MB. Free memory was 148.3MB in the beginning and 115.8MB in the end (delta: 32.5MB). Peak memory consumption was 31.5MB. Max. memory is 16.1GB. [2022-11-16 20:27:21,845 INFO L158 Benchmark]: Boogie Preprocessor took 378.37ms. Allocated memory is still 245.4MB. Free memory was 115.8MB in the beginning and 137.8MB in the end (delta: -22.0MB). Peak memory consumption was 27.0MB. Max. memory is 16.1GB. [2022-11-16 20:27:21,845 INFO L158 Benchmark]: RCFGBuilder took 8171.00ms. Allocated memory was 245.4MB in the beginning and 518.0MB in the end (delta: 272.6MB). Free memory was 137.8MB in the beginning and 324.8MB in the end (delta: -187.0MB). Peak memory consumption was 321.9MB. Max. memory is 16.1GB. [2022-11-16 20:27:21,846 INFO L158 Benchmark]: TraceAbstraction took 465008.25ms. Allocated memory was 518.0MB in the beginning and 5.3GB in the end (delta: 4.7GB). Free memory was 324.8MB in the beginning and 1.7GB in the end (delta: -1.4GB). Peak memory consumption was 3.8GB. Max. memory is 16.1GB. [2022-11-16 20:27:21,848 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27ms. Allocated memory is still 119.5MB. Free memory is still 100.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 4100.79ms. Allocated memory was 119.5MB in the beginning and 245.4MB in the end (delta: 125.8MB). Free memory was 69.1MB in the beginning and 148.3MB in the end (delta: -79.2MB). Peak memory consumption was 83.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 384.31ms. Allocated memory is still 245.4MB. Free memory was 148.3MB in the beginning and 115.8MB in the end (delta: 32.5MB). Peak memory consumption was 31.5MB. Max. memory is 16.1GB. * Boogie Preprocessor took 378.37ms. Allocated memory is still 245.4MB. Free memory was 115.8MB in the beginning and 137.8MB in the end (delta: -22.0MB). Peak memory consumption was 27.0MB. Max. memory is 16.1GB. * RCFGBuilder took 8171.00ms. Allocated memory was 245.4MB in the beginning and 518.0MB in the end (delta: 272.6MB). Free memory was 137.8MB in the beginning and 324.8MB in the end (delta: -187.0MB). Peak memory consumption was 321.9MB. Max. memory is 16.1GB. * TraceAbstraction took 465008.25ms. Allocated memory was 518.0MB in the beginning and 5.3GB in the end (delta: 4.7GB). Free memory was 324.8MB in the beginning and 1.7GB in the end (delta: -1.4GB). Peak memory consumption was 3.8GB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: AssertionError: Maybe an infinite loop de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: AssertionError: Maybe an infinite loop: de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPushUtilsForSubsetPush.sequentialSubsetPush(QuantifierPushUtilsForSubsetPush.java:130) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2022-11-16 20:27:21,869 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b84e1e31-74a6-498f-91a0-633ab72d08b8/bin/utaipan-Xvt2sAort0/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b84e1e31-74a6-498f-91a0-633ab72d08b8/bin/utaipan-Xvt2sAort0/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b84e1e31-74a6-498f-91a0-633ab72d08b8/bin/utaipan-Xvt2sAort0/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b84e1e31-74a6-498f-91a0-633ab72d08b8/bin/utaipan-Xvt2sAort0/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b84e1e31-74a6-498f-91a0-633ab72d08b8/bin/utaipan-Xvt2sAort0/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-drivers-clk1_drivers-net-ethernet-smsc-smsc911x.cil.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b84e1e31-74a6-498f-91a0-633ab72d08b8/bin/utaipan-Xvt2sAort0/config/svcomp-Reach-64bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b84e1e31-74a6-498f-91a0-633ab72d08b8/bin/utaipan-Xvt2sAort0 --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 Taipan --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 0705c7c1097399903dd015d79fa2944ad89b2d381aed5d9e2539b97c330aa424 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-e04fb08 [2022-11-16 20:27:24,435 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-16 20:27:24,438 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-16 20:27:24,485 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-16 20:27:24,485 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-16 20:27:24,489 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-16 20:27:24,490 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-16 20:27:24,492 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-16 20:27:24,494 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-16 20:27:24,495 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-16 20:27:24,496 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-16 20:27:24,498 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-16 20:27:24,498 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-16 20:27:24,499 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-16 20:27:24,503 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-16 20:27:24,505 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-16 20:27:24,506 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-16 20:27:24,510 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-16 20:27:24,512 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-16 20:27:24,515 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-16 20:27:24,521 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-16 20:27:24,523 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-16 20:27:24,529 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-16 20:27:24,530 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-16 20:27:24,542 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-16 20:27:24,542 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-16 20:27:24,543 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-16 20:27:24,546 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-16 20:27:24,547 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-16 20:27:24,548 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-16 20:27:24,549 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-16 20:27:24,550 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-16 20:27:24,552 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-16 20:27:24,553 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-16 20:27:24,557 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-16 20:27:24,558 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-16 20:27:24,558 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-16 20:27:24,559 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-16 20:27:24,559 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-16 20:27:24,560 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-16 20:27:24,561 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-16 20:27:24,562 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b84e1e31-74a6-498f-91a0-633ab72d08b8/bin/utaipan-Xvt2sAort0/config/svcomp-Reach-64bit-Taipan_Bitvector.epf [2022-11-16 20:27:24,587 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-16 20:27:24,588 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-16 20:27:24,588 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-16 20:27:24,588 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-16 20:27:24,589 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-16 20:27:24,589 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-16 20:27:24,589 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-16 20:27:24,590 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-16 20:27:24,590 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-16 20:27:24,590 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-16 20:27:24,590 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-16 20:27:24,590 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-16 20:27:24,591 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-16 20:27:24,591 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-16 20:27:24,591 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-16 20:27:24,592 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-16 20:27:24,592 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-16 20:27:24,592 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-11-16 20:27:24,592 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-11-16 20:27:24,592 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-11-16 20:27:24,592 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-16 20:27:24,593 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-16 20:27:24,593 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-16 20:27:24,593 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-16 20:27:24,593 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-16 20:27:24,593 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-16 20:27:24,593 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-16 20:27:24,594 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-16 20:27:24,594 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-16 20:27:24,594 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-16 20:27:24,594 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2022-11-16 20:27:24,594 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-11-16 20:27:24,594 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-16 20:27:24,595 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-16 20:27:24,595 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-11-16 20:27:24,595 INFO L138 SettingsManager]: * Logic for external solver=AUFBV WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b84e1e31-74a6-498f-91a0-633ab72d08b8/bin/utaipan-Xvt2sAort0/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b84e1e31-74a6-498f-91a0-633ab72d08b8/bin/utaipan-Xvt2sAort0 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0705c7c1097399903dd015d79fa2944ad89b2d381aed5d9e2539b97c330aa424 [2022-11-16 20:27:24,981 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-16 20:27:25,003 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-16 20:27:25,006 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-16 20:27:25,007 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-16 20:27:25,008 INFO L275 PluginConnector]: CDTParser initialized [2022-11-16 20:27:25,010 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b84e1e31-74a6-498f-91a0-633ab72d08b8/bin/utaipan-Xvt2sAort0/../../sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-drivers-clk1_drivers-net-ethernet-smsc-smsc911x.cil.i [2022-11-16 20:27:25,079 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b84e1e31-74a6-498f-91a0-633ab72d08b8/bin/utaipan-Xvt2sAort0/data/9075422a1/51ca09ca9307449d90aed0f1f672f9f2/FLAGeb14df931 [2022-11-16 20:27:26,020 INFO L306 CDTParser]: Found 1 translation units. [2022-11-16 20:27:26,021 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b84e1e31-74a6-498f-91a0-633ab72d08b8/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-drivers-clk1_drivers-net-ethernet-smsc-smsc911x.cil.i [2022-11-16 20:27:26,103 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b84e1e31-74a6-498f-91a0-633ab72d08b8/bin/utaipan-Xvt2sAort0/data/9075422a1/51ca09ca9307449d90aed0f1f672f9f2/FLAGeb14df931 [2022-11-16 20:27:26,415 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b84e1e31-74a6-498f-91a0-633ab72d08b8/bin/utaipan-Xvt2sAort0/data/9075422a1/51ca09ca9307449d90aed0f1f672f9f2 [2022-11-16 20:27:26,419 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-16 20:27:26,421 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-16 20:27:26,422 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-16 20:27:26,423 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-16 20:27:26,426 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-16 20:27:26,427 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 08:27:26" (1/1) ... [2022-11-16 20:27:26,428 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@32fdff53 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 08:27:26, skipping insertion in model container [2022-11-16 20:27:26,429 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 08:27:26" (1/1) ... [2022-11-16 20:27:26,438 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-16 20:27:26,611 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-16 20:27:28,400 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator has thrown an exception: java.lang.IllegalArgumentException: cannot determine size of incomplete type at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.chandler.TypeSizeAndOffsetComputer.constructSizeTValueAndOffsets_StructAndUnion(TypeSizeAndOffsetComputer.java:260) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.chandler.TypeSizeAndOffsetComputer.computeSize(TypeSizeAndOffsetComputer.java:204) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.chandler.TypeSizeAndOffsetComputer.constructBytesizeExpression(TypeSizeAndOffsetComputer.java:122) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.checkIfNecessaryMemoryModelAdaption(CHandler.java:1004) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:972) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:279) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.result.ExpressionResultTransformer.transformDispatchDecaySwitchRexBoolToInt(ExpressionResultTransformer.java:177) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.chandler.FunctionHandler.handleFunctionCallGivenNameAndArguments(FunctionHandler.java:675) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.chandler.FunctionHandler.handleFunctionCallExpression(FunctionHandler.java:509) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1458) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:267) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:729) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:282) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1401) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:220) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1085) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:232) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1085) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:232) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1085) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:232) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.chandler.FunctionHandler.handleFunctionDefinition(FunctionHandler.java:371) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1474) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:155) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.processTUchild(CHandler.java:3268) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:2365) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:601) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:134) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.translate(MainTranslator.java:192) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.run(MainTranslator.java:115) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.(MainTranslator.java:93) at de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver.finish(CACSL2BoogieTranslatorObserver.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2022-11-16 20:27:28,406 INFO L158 Benchmark]: Toolchain (without parser) took 1983.54ms. Allocated memory was 65.0MB in the beginning and 113.2MB in the end (delta: 48.2MB). Free memory was 42.8MB in the beginning and 76.0MB in the end (delta: -33.1MB). Peak memory consumption was 49.7MB. Max. memory is 16.1GB. [2022-11-16 20:27:28,407 INFO L158 Benchmark]: CDTParser took 0.33ms. Allocated memory is still 65.0MB. Free memory was 45.4MB in the beginning and 45.4MB in the end (delta: 32.4kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-16 20:27:28,408 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1981.41ms. Allocated memory was 65.0MB in the beginning and 113.2MB in the end (delta: 48.2MB). Free memory was 42.5MB in the beginning and 76.0MB in the end (delta: -33.5MB). Peak memory consumption was 49.7MB. Max. memory is 16.1GB. [2022-11-16 20:27:28,409 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.33ms. Allocated memory is still 65.0MB. Free memory was 45.4MB in the beginning and 45.4MB in the end (delta: 32.4kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1981.41ms. Allocated memory was 65.0MB in the beginning and 113.2MB in the end (delta: 48.2MB). Free memory was 42.5MB in the beginning and 76.0MB in the end (delta: -33.5MB). Peak memory consumption was 49.7MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - ExceptionOrErrorResult: IllegalArgumentException: cannot determine size of incomplete type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: IllegalArgumentException: cannot determine size of incomplete type: de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.chandler.TypeSizeAndOffsetComputer.constructSizeTValueAndOffsets_StructAndUnion(TypeSizeAndOffsetComputer.java:260) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: IllegalArgumentException: cannot determine size of incomplete type