./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-atheros-atl1e-atl1e.cil.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 5e519f3a 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_f0cc3804-2cc7-4b54-8950-1d546e4112bc/bin/utaipan-7li7fVZpFI/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0cc3804-2cc7-4b54-8950-1d546e4112bc/bin/utaipan-7li7fVZpFI/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0cc3804-2cc7-4b54-8950-1d546e4112bc/bin/utaipan-7li7fVZpFI/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0cc3804-2cc7-4b54-8950-1d546e4112bc/bin/utaipan-7li7fVZpFI/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-atheros-atl1e-atl1e.cil.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0cc3804-2cc7-4b54-8950-1d546e4112bc/bin/utaipan-7li7fVZpFI/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0cc3804-2cc7-4b54-8950-1d546e4112bc/bin/utaipan-7li7fVZpFI --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 cde51297e6fd0e941efee971bf40d8442d789ab4fb58443b4ef667bb6a80abb8 --- 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-5e519f3 [2022-11-03 02:44:44,641 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-03 02:44:44,643 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-03 02:44:44,693 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-03 02:44:44,694 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-03 02:44:44,697 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-03 02:44:44,700 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-03 02:44:44,703 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-03 02:44:44,705 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-03 02:44:44,711 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-03 02:44:44,712 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-03 02:44:44,714 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-03 02:44:44,714 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-03 02:44:44,717 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-03 02:44:44,719 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-03 02:44:44,721 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-03 02:44:44,722 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-03 02:44:44,723 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-03 02:44:44,725 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-03 02:44:44,734 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-03 02:44:44,735 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-03 02:44:44,736 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-03 02:44:44,739 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-03 02:44:44,740 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-03 02:44:44,748 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-03 02:44:44,749 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-03 02:44:44,749 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-03 02:44:44,751 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-03 02:44:44,752 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-03 02:44:44,754 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-03 02:44:44,754 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-03 02:44:44,755 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-03 02:44:44,757 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-03 02:44:44,758 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-03 02:44:44,759 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-03 02:44:44,760 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-03 02:44:44,760 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-03 02:44:44,761 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-03 02:44:44,761 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-03 02:44:44,762 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-03 02:44:44,762 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-03 02:44:44,763 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0cc3804-2cc7-4b54-8950-1d546e4112bc/bin/utaipan-7li7fVZpFI/config/svcomp-Reach-64bit-Taipan_Default.epf [2022-11-03 02:44:44,803 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-03 02:44:44,803 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-03 02:44:44,804 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-03 02:44:44,804 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-03 02:44:44,805 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-03 02:44:44,805 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-03 02:44:44,805 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-03 02:44:44,806 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-03 02:44:44,806 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-03 02:44:44,806 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-03 02:44:44,807 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-03 02:44:44,807 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-03 02:44:44,807 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-03 02:44:44,808 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-03 02:44:44,808 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-03 02:44:44,808 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-03 02:44:44,808 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-03 02:44:44,809 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-03 02:44:44,809 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-03 02:44:44,810 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-03 02:44:44,810 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-03 02:44:44,810 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-03 02:44:44,810 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-03 02:44:44,812 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-03 02:44:44,812 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-03 02:44:44,812 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-03 02:44:44,812 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-03 02:44:44,813 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-03 02:44:44,813 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-03 02:44:44,813 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-03 02:44:44,813 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-03 02:44:44,814 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-03 02:44:44,814 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-03 02:44:44,814 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-03 02:44:44,814 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-03 02:44:44,815 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-03 02:44:44,815 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-03 02:44:44,815 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-03 02:44:44,815 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_f0cc3804-2cc7-4b54-8950-1d546e4112bc/bin/utaipan-7li7fVZpFI/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0cc3804-2cc7-4b54-8950-1d546e4112bc/bin/utaipan-7li7fVZpFI Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> cde51297e6fd0e941efee971bf40d8442d789ab4fb58443b4ef667bb6a80abb8 [2022-11-03 02:44:45,138 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-03 02:44:45,180 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-03 02:44:45,182 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-03 02:44:45,184 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-03 02:44:45,184 INFO L275 PluginConnector]: CDTParser initialized [2022-11-03 02:44:45,186 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0cc3804-2cc7-4b54-8950-1d546e4112bc/bin/utaipan-7li7fVZpFI/../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-atheros-atl1e-atl1e.cil.i [2022-11-03 02:44:45,259 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0cc3804-2cc7-4b54-8950-1d546e4112bc/bin/utaipan-7li7fVZpFI/data/53f3ae27f/2b15fdb53ce6486798367bfefae14f74/FLAGd8f8ed179 [2022-11-03 02:44:46,311 INFO L306 CDTParser]: Found 1 translation units. [2022-11-03 02:44:46,312 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0cc3804-2cc7-4b54-8950-1d546e4112bc/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-atheros-atl1e-atl1e.cil.i [2022-11-03 02:44:46,404 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0cc3804-2cc7-4b54-8950-1d546e4112bc/bin/utaipan-7li7fVZpFI/data/53f3ae27f/2b15fdb53ce6486798367bfefae14f74/FLAGd8f8ed179 [2022-11-03 02:44:46,759 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0cc3804-2cc7-4b54-8950-1d546e4112bc/bin/utaipan-7li7fVZpFI/data/53f3ae27f/2b15fdb53ce6486798367bfefae14f74 [2022-11-03 02:44:46,761 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-03 02:44:46,764 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-03 02:44:46,776 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-03 02:44:46,776 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-03 02:44:46,779 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-03 02:44:46,781 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 02:44:46" (1/1) ... [2022-11-03 02:44:46,783 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@29f5db7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:44:46, skipping insertion in model container [2022-11-03 02:44:46,783 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 02:44:46" (1/1) ... [2022-11-03 02:44:46,790 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-03 02:44:46,979 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-03 02:44:51,318 WARN L230 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_f0cc3804-2cc7-4b54-8950-1d546e4112bc/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-atheros-atl1e-atl1e.cil.i[464446,464459] [2022-11-03 02:44:51,320 WARN L230 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_f0cc3804-2cc7-4b54-8950-1d546e4112bc/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-atheros-atl1e-atl1e.cil.i[464591,464604] [2022-11-03 02:44:51,342 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-03 02:44:51,391 INFO L203 MainTranslator]: Completed pre-run [2022-11-03 02:44:51,898 WARN L230 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_f0cc3804-2cc7-4b54-8950-1d546e4112bc/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-atheros-atl1e-atl1e.cil.i[464446,464459] [2022-11-03 02:44:51,899 WARN L230 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_f0cc3804-2cc7-4b54-8950-1d546e4112bc/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-atheros-atl1e-atl1e.cil.i[464591,464604] [2022-11-03 02:44:51,907 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-03 02:44:52,176 INFO L208 MainTranslator]: Completed translation [2022-11-03 02:44:52,176 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:44:52 WrapperNode [2022-11-03 02:44:52,176 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-03 02:44:52,177 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-03 02:44:52,177 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-03 02:44:52,178 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-03 02:44:52,185 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:44:52" (1/1) ... [2022-11-03 02:44:52,336 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:44:52" (1/1) ... [2022-11-03 02:44:52,630 INFO L138 Inliner]: procedures = 623, calls = 3565, calls flagged for inlining = 310, calls inlined = 274, statements flattened = 8094 [2022-11-03 02:44:52,631 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-03 02:44:52,632 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-03 02:44:52,632 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-03 02:44:52,633 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-03 02:44:52,641 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:44:52" (1/1) ... [2022-11-03 02:44:52,642 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:44:52" (1/1) ... [2022-11-03 02:44:52,685 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:44:52" (1/1) ... [2022-11-03 02:44:52,687 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:44:52" (1/1) ... [2022-11-03 02:44:52,832 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:44:52" (1/1) ... [2022-11-03 02:44:52,856 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:44:52" (1/1) ... [2022-11-03 02:44:52,975 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:44:52" (1/1) ... [2022-11-03 02:44:53,006 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:44:52" (1/1) ... [2022-11-03 02:44:53,058 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-03 02:44:53,059 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-03 02:44:53,059 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-03 02:44:53,059 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-03 02:44:53,060 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:44:52" (1/1) ... [2022-11-03 02:44:53,066 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-03 02:44:53,076 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0cc3804-2cc7-4b54-8950-1d546e4112bc/bin/utaipan-7li7fVZpFI/z3 [2022-11-03 02:44:53,089 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0cc3804-2cc7-4b54-8950-1d546e4112bc/bin/utaipan-7li7fVZpFI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-03 02:44:53,091 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0cc3804-2cc7-4b54-8950-1d546e4112bc/bin/utaipan-7li7fVZpFI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-03 02:44:53,124 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_set [2022-11-03 02:44:53,124 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_set [2022-11-03 02:44:53,124 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_regions [2022-11-03 02:44:53,124 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_regions [2022-11-03 02:44:53,125 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_read_phy_reg [2022-11-03 02:44:53,125 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_read_phy_reg [2022-11-03 02:44:53,125 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2022-11-03 02:44:53,125 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2022-11-03 02:44:53,125 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_force_ps [2022-11-03 02:44:53,125 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_force_ps [2022-11-03 02:44:53,126 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unmap_page [2022-11-03 02:44:53,126 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unmap_page [2022-11-03 02:44:53,126 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2022-11-03 02:44:53,126 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2022-11-03 02:44:53,126 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-11-03 02:44:53,126 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-11-03 02:44:53,127 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_del_timer [2022-11-03 02:44:53,127 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_del_timer [2022-11-03 02:44:53,127 INFO L130 BoogieDeclarations]: Found specification of procedure pci_read_config_word [2022-11-03 02:44:53,127 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_read_config_word [2022-11-03 02:44:53,127 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_ok [2022-11-03 02:44:53,127 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_ok [2022-11-03 02:44:53,127 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2022-11-03 02:44:53,128 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2022-11-03 02:44:53,128 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2022-11-03 02:44:53,128 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2022-11-03 02:44:53,128 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2022-11-03 02:44:53,128 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2022-11-03 02:44:53,128 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_irq_disable [2022-11-03 02:44:53,129 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_irq_disable [2022-11-03 02:44:53,129 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_io_resume [2022-11-03 02:44:53,129 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_io_resume [2022-11-03 02:44:53,129 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_restart_autoneg [2022-11-03 02:44:53,129 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_restart_autoneg [2022-11-03 02:44:53,129 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_close [2022-11-03 02:44:53,130 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_close [2022-11-03 02:44:53,130 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2022-11-03 02:44:53,131 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2022-11-03 02:44:53,131 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2022-11-03 02:44:53,131 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2022-11-03 02:44:53,131 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_get_tpd [2022-11-03 02:44:53,131 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_get_tpd [2022-11-03 02:44:53,132 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2022-11-03 02:44:53,132 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2022-11-03 02:44:53,132 INFO L130 BoogieDeclarations]: Found specification of procedure skb_end_pointer [2022-11-03 02:44:53,133 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_end_pointer [2022-11-03 02:44:53,133 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2022-11-03 02:44:53,134 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2022-11-03 02:44:53,134 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2022-11-03 02:44:53,134 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2022-11-03 02:44:53,134 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2022-11-03 02:44:53,134 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2022-11-03 02:44:53,135 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_free_irq [2022-11-03 02:44:53,135 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_free_irq [2022-11-03 02:44:53,135 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unmap_single [2022-11-03 02:44:53,135 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unmap_single [2022-11-03 02:44:53,135 INFO L130 BoogieDeclarations]: Found specification of procedure netif_device_attach [2022-11-03 02:44:53,136 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_device_attach [2022-11-03 02:44:53,136 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-03 02:44:53,136 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_106 [2022-11-03 02:44:53,136 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_106 [2022-11-03 02:44:53,137 INFO L130 BoogieDeclarations]: Found specification of procedure pci_write_config_word [2022-11-03 02:44:53,137 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_write_config_word [2022-11-03 02:44:53,137 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_shutdown [2022-11-03 02:44:53,137 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_shutdown [2022-11-03 02:44:53,137 INFO L130 BoogieDeclarations]: Found specification of procedure cancel_work_sync [2022-11-03 02:44:53,137 INFO L138 BoogieDeclarations]: Found implementation of procedure cancel_work_sync [2022-11-03 02:44:53,138 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_check_eeprom_exist [2022-11-03 02:44:53,138 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_check_eeprom_exist [2022-11-03 02:44:53,139 INFO L130 BoogieDeclarations]: Found specification of procedure netif_device_detach [2022-11-03 02:44:53,139 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_device_detach [2022-11-03 02:44:53,139 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2022-11-03 02:44:53,139 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2022-11-03 02:44:53,139 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2022-11-03 02:44:53,139 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2022-11-03 02:44:53,140 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2022-11-03 02:44:53,140 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_hw_set_mac_addr [2022-11-03 02:44:53,140 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_hw_set_mac_addr [2022-11-03 02:44:53,140 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2022-11-03 02:44:53,141 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2022-11-03 02:44:53,141 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2022-11-03 02:44:53,141 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2022-11-03 02:44:53,141 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_get_tx_buffer [2022-11-03 02:44:53,142 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_get_tx_buffer [2022-11-03 02:44:53,142 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-11-03 02:44:53,143 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2022-11-03 02:44:53,143 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2022-11-03 02:44:53,143 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-03 02:44:53,143 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2022-11-03 02:44:53,144 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2022-11-03 02:44:53,145 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_after_alloc [2022-11-03 02:44:53,145 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_after_alloc [2022-11-03 02:44:53,145 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-11-03 02:44:53,145 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-11-03 02:44:53,145 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_interrupt_context [2022-11-03 02:44:53,146 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_interrupt_context [2022-11-03 02:44:53,146 INFO L130 BoogieDeclarations]: Found specification of procedure skb_transport_header [2022-11-03 02:44:53,146 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_transport_header [2022-11-03 02:44:53,146 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2022-11-03 02:44:53,146 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2022-11-03 02:44:53,147 INFO L130 BoogieDeclarations]: Found specification of procedure pci_choose_state [2022-11-03 02:44:53,147 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_choose_state [2022-11-03 02:44:53,147 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2022-11-03 02:44:53,147 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2022-11-03 02:44:53,147 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2022-11-03 02:44:53,148 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2022-11-03 02:44:53,148 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_irq_reset [2022-11-03 02:44:53,149 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_irq_reset [2022-11-03 02:44:53,149 INFO L130 BoogieDeclarations]: Found specification of procedure pci_free_consistent [2022-11-03 02:44:53,152 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_free_consistent [2022-11-03 02:44:53,152 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2022-11-03 02:44:53,153 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2022-11-03 02:44:53,154 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_down [2022-11-03 02:44:53,155 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_down [2022-11-03 02:44:53,155 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-03 02:44:53,155 INFO L130 BoogieDeclarations]: Found specification of procedure __atl1e_vlan_mode [2022-11-03 02:44:53,156 INFO L138 BoogieDeclarations]: Found implementation of procedure __atl1e_vlan_mode [2022-11-03 02:44:53,156 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_1 [2022-11-03 02:44:53,162 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_1 [2022-11-03 02:44:53,162 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_0 [2022-11-03 02:44:53,163 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_0 [2022-11-03 02:44:53,163 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-03 02:44:53,163 INFO L130 BoogieDeclarations]: Found specification of procedure is_valid_ether_addr [2022-11-03 02:44:53,163 INFO L138 BoogieDeclarations]: Found implementation of procedure is_valid_ether_addr [2022-11-03 02:44:53,163 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2022-11-03 02:44:53,163 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2022-11-03 02:44:53,163 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2022-11-03 02:44:53,164 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2022-11-03 02:44:53,164 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-03 02:44:53,164 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2022-11-03 02:44:53,164 INFO L130 BoogieDeclarations]: Found specification of procedure skb_headlen [2022-11-03 02:44:53,164 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_headlen [2022-11-03 02:44:53,164 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_exclusive_spin_is_locked [2022-11-03 02:44:53,164 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_exclusive_spin_is_locked [2022-11-03 02:44:53,165 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert [2022-11-03 02:44:53,165 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert [2022-11-03 02:44:53,165 INFO L130 BoogieDeclarations]: Found specification of procedure skb_is_gso [2022-11-03 02:44:53,165 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_is_gso [2022-11-03 02:44:53,165 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_set_multi [2022-11-03 02:44:53,165 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_set_multi [2022-11-03 02:44:53,165 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_remove [2022-11-03 02:44:53,166 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_remove [2022-11-03 02:44:53,166 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_spin_lock [2022-11-03 02:44:53,166 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_spin_lock [2022-11-03 02:44:53,166 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_EMGentry_exit_atl1e_driver_exit_14_2 [2022-11-03 02:44:53,166 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_EMGentry_exit_atl1e_driver_exit_14_2 [2022-11-03 02:44:53,166 INFO L130 BoogieDeclarations]: Found specification of procedure __init_work [2022-11-03 02:44:53,166 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_work [2022-11-03 02:44:53,167 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_map_page [2022-11-03 02:44:53,167 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_map_page [2022-11-03 02:44:53,167 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2022-11-03 02:44:53,167 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2022-11-03 02:44:53,167 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev [2022-11-03 02:44:53,167 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev [2022-11-03 02:44:53,167 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_free_ring_resources [2022-11-03 02:44:53,168 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_free_ring_resources [2022-11-03 02:44:53,168 INFO L130 BoogieDeclarations]: Found specification of procedure skb_frag_size [2022-11-03 02:44:53,168 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_frag_size [2022-11-03 02:44:53,168 INFO L130 BoogieDeclarations]: Found specification of procedure writel [2022-11-03 02:44:53,168 INFO L138 BoogieDeclarations]: Found implementation of procedure writel [2022-11-03 02:44:53,168 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2022-11-03 02:44:53,168 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2022-11-03 02:44:53,169 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_validate_option [2022-11-03 02:44:53,169 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_validate_option [2022-11-03 02:44:53,169 INFO L130 BoogieDeclarations]: Found specification of procedure writeb [2022-11-03 02:44:53,169 INFO L138 BoogieDeclarations]: Found implementation of procedure writeb [2022-11-03 02:44:53,170 INFO L130 BoogieDeclarations]: Found specification of procedure writew [2022-11-03 02:44:53,170 INFO L138 BoogieDeclarations]: Found implementation of procedure writew [2022-11-03 02:44:53,170 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-03 02:44:53,170 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-03 02:44:53,170 INFO L130 BoogieDeclarations]: Found specification of procedure tcp_hdr [2022-11-03 02:44:53,170 INFO L138 BoogieDeclarations]: Found implementation of procedure tcp_hdr [2022-11-03 02:44:53,170 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2022-11-03 02:44:53,171 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2022-11-03 02:44:53,171 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-11-03 02:44:53,171 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-11-03 02:44:53,171 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-11-03 02:44:53,171 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-11-03 02:44:53,171 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~X~int~X~$Pointer$~TO~~dma_addr_t~0 [2022-11-03 02:44:53,171 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~X~int~X~$Pointer$~TO~~dma_addr_t~0 [2022-11-03 02:44:53,172 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_off [2022-11-03 02:44:53,172 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_off [2022-11-03 02:44:53,172 INFO L130 BoogieDeclarations]: Found specification of procedure kmemcheck_mark_initialized [2022-11-03 02:44:53,172 INFO L138 BoogieDeclarations]: Found implementation of procedure kmemcheck_mark_initialized [2022-11-03 02:44:53,172 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_process_context [2022-11-03 02:44:53,172 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_process_context [2022-11-03 02:44:53,172 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_clean_tx_ring [2022-11-03 02:44:53,173 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_clean_tx_ring [2022-11-03 02:44:53,173 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_mdio_lock_of_atl1e_adapter [2022-11-03 02:44:53,173 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_mdio_lock_of_atl1e_adapter [2022-11-03 02:44:53,173 INFO L130 BoogieDeclarations]: Found specification of procedure pci_map_single [2022-11-03 02:44:53,173 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_map_single [2022-11-03 02:44:53,173 INFO L130 BoogieDeclarations]: Found specification of procedure ip_hdr [2022-11-03 02:44:53,173 INFO L138 BoogieDeclarations]: Found implementation of procedure ip_hdr [2022-11-03 02:44:53,174 INFO L130 BoogieDeclarations]: Found specification of procedure ethtool_cmd_speed_set [2022-11-03 02:44:53,174 INFO L138 BoogieDeclarations]: Found implementation of procedure ethtool_cmd_speed_set [2022-11-03 02:44:53,174 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_mdio_lock_of_atl1e_adapter [2022-11-03 02:44:53,174 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_mdio_lock_of_atl1e_adapter [2022-11-03 02:44:53,174 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_read [2022-11-03 02:44:53,174 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_read [2022-11-03 02:44:53,174 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-11-03 02:44:53,175 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-11-03 02:44:53,175 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_resume [2022-11-03 02:44:53,175 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_resume [2022-11-03 02:44:53,175 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2022-11-03 02:44:53,175 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2022-11-03 02:44:53,175 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_unmap_page [2022-11-03 02:44:53,175 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_unmap_page [2022-11-03 02:44:53,175 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-03 02:44:53,176 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2022-11-03 02:44:53,176 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2022-11-03 02:44:53,176 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_master [2022-11-03 02:44:53,176 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_master [2022-11-03 02:44:53,176 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2022-11-03 02:44:53,176 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2022-11-03 02:44:53,176 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_tx_timeout [2022-11-03 02:44:53,177 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_tx_timeout [2022-11-03 02:44:53,177 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_114 [2022-11-03 02:44:53,177 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_114 [2022-11-03 02:44:53,177 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-03 02:44:53,177 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_vlan_mode [2022-11-03 02:44:53,177 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_vlan_mode [2022-11-03 02:44:53,177 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_write_phy_reg [2022-11-03 02:44:53,178 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_write_phy_reg [2022-11-03 02:44:53,178 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_wake [2022-11-03 02:44:53,178 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_enable_wake [2022-11-03 02:44:53,178 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_102 [2022-11-03 02:44:53,178 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_102 [2022-11-03 02:44:53,178 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_up [2022-11-03 02:44:53,178 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_up [2022-11-03 02:44:53,178 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-11-03 02:44:53,179 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_phy_commit [2022-11-03 02:44:53,179 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_phy_commit [2022-11-03 02:44:53,179 INFO L130 BoogieDeclarations]: Found specification of procedure dma_mapping_error [2022-11-03 02:44:53,179 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_mapping_error [2022-11-03 02:44:53,180 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab16 [2022-11-03 02:44:53,185 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab16 [2022-11-03 02:44:53,185 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2022-11-03 02:44:53,185 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2022-11-03 02:44:53,185 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2022-11-03 02:44:53,185 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2022-11-03 02:44:53,185 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_init_map [2022-11-03 02:44:53,185 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_init_map [2022-11-03 02:44:53,186 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2022-11-03 02:44:53,186 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2022-11-03 02:44:53,187 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_reinit_locked [2022-11-03 02:44:53,189 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_reinit_locked [2022-11-03 02:44:53,189 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_phy_init [2022-11-03 02:44:53,189 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_phy_init [2022-11-03 02:44:53,189 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_intr [2022-11-03 02:44:53,189 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_intr [2022-11-03 02:44:53,190 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2022-11-03 02:44:53,190 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2022-11-03 02:44:53,190 INFO L130 BoogieDeclarations]: Found specification of procedure skb_transport_offset [2022-11-03 02:44:53,190 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_transport_offset [2022-11-03 02:44:53,190 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_open [2022-11-03 02:44:53,190 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_open [2022-11-03 02:44:53,190 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2022-11-03 02:44:53,190 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2022-11-03 02:44:53,191 INFO L130 BoogieDeclarations]: Found specification of procedure skb_network_header [2022-11-03 02:44:53,191 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_network_header [2022-11-03 02:44:53,191 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_irq_enable [2022-11-03 02:44:53,191 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_irq_enable [2022-11-03 02:44:53,191 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-11-03 02:44:53,191 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-11-03 02:44:53,191 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-03 02:44:53,191 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_netpoll [2022-11-03 02:44:53,192 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_netpoll [2022-11-03 02:44:53,192 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-11-03 02:44:53,192 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-11-03 02:44:53,192 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_read_eeprom [2022-11-03 02:44:53,192 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_read_eeprom [2022-11-03 02:44:53,192 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_suspend [2022-11-03 02:44:53,192 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_suspend [2022-11-03 02:44:53,192 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2022-11-03 02:44:53,193 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2022-11-03 02:44:53,193 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_any [2022-11-03 02:44:53,193 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_any [2022-11-03 02:44:53,193 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_nway_reset [2022-11-03 02:44:53,193 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_nway_reset [2022-11-03 02:44:53,193 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_105 [2022-11-03 02:44:53,193 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_105 [2022-11-03 02:44:53,193 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_device [2022-11-03 02:44:53,194 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_enable_device [2022-11-03 02:44:53,194 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_request_irq [2022-11-03 02:44:53,194 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_request_irq [2022-11-03 02:44:53,194 INFO L130 BoogieDeclarations]: Found specification of procedure tcp_hdrlen [2022-11-03 02:44:53,194 INFO L138 BoogieDeclarations]: Found implementation of procedure tcp_hdrlen [2022-11-03 02:44:53,194 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2022-11-03 02:44:53,194 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2022-11-03 02:44:53,194 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_work [2022-11-03 02:44:53,195 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_work [2022-11-03 02:44:53,195 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~X~$Pointer$~TO~VOID [2022-11-03 02:44:53,195 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~X~$Pointer$~TO~VOID [2022-11-03 02:44:53,195 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_get_eeprom_len [2022-11-03 02:44:53,195 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_get_eeprom_len [2022-11-03 02:44:53,195 INFO L130 BoogieDeclarations]: Found specification of procedure pci_iounmap [2022-11-03 02:44:53,195 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_iounmap [2022-11-03 02:44:53,195 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_power_state [2022-11-03 02:44:53,196 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_power_state [2022-11-03 02:44:53,196 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_reset_hw [2022-11-03 02:44:53,196 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_reset_hw [2022-11-03 02:44:53,196 INFO L130 BoogieDeclarations]: Found specification of procedure readw [2022-11-03 02:44:53,196 INFO L138 BoogieDeclarations]: Found implementation of procedure readw [2022-11-03 02:44:53,196 INFO L130 BoogieDeclarations]: Found specification of procedure readl [2022-11-03 02:44:53,196 INFO L138 BoogieDeclarations]: Found implementation of procedure readl [2022-11-03 02:44:53,197 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-03 02:44:53,197 INFO L130 BoogieDeclarations]: Found specification of procedure dma_unmap_page [2022-11-03 02:44:53,197 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_unmap_page [2022-11-03 02:44:53,197 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2022-11-03 02:44:53,197 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2022-11-03 02:44:53,197 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_get_regs_len [2022-11-03 02:44:53,197 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_get_regs_len [2022-11-03 02:44:53,197 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_clean_rx_ring [2022-11-03 02:44:53,198 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_clean_rx_ring [2022-11-03 02:44:54,510 INFO L235 CfgBuilder]: Building ICFG [2022-11-03 02:44:54,547 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-03 02:44:55,004 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-11-03 02:45:07,715 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2022-11-03 02:45:08,066 INFO L276 CfgBuilder]: Performing block encoding [2022-11-03 02:45:10,310 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-03 02:45:10,310 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-11-03 02:45:10,316 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.11 02:45:10 BoogieIcfgContainer [2022-11-03 02:45:10,317 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-03 02:45:10,319 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-03 02:45:10,319 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-03 02:45:10,322 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-03 02:45:10,323 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 03.11 02:44:46" (1/3) ... [2022-11-03 02:45:10,323 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@62156425 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.11 02:45:10, skipping insertion in model container [2022-11-03 02:45:10,324 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:44:52" (2/3) ... [2022-11-03 02:45:10,324 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@62156425 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.11 02:45:10, skipping insertion in model container [2022-11-03 02:45:10,324 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.11 02:45:10" (3/3) ... [2022-11-03 02:45:10,325 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-atheros-atl1e-atl1e.cil.i [2022-11-03 02:45:10,344 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-03 02:45:10,345 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-03 02:45:10,434 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-03 02:45:10,440 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;@74500c03, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-03 02:45:10,440 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-03 02:45:10,450 INFO L276 IsEmpty]: Start isEmpty. Operand has 2192 states, 1276 states have (on average 1.2758620689655173) internal successors, (1628), 1301 states have internal predecessors, (1628), 767 states have call successors, (767), 149 states have call predecessors, (767), 148 states have return successors, (761), 759 states have call predecessors, (761), 761 states have call successors, (761) [2022-11-03 02:45:10,485 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 198 [2022-11-03 02:45:10,485 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:45:10,486 INFO L195 NwaCegarLoop]: trace histogram [15, 14, 14, 14, 14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 02:45:10,486 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 02:45:10,491 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:45:10,492 INFO L85 PathProgramCache]: Analyzing trace with hash -2060626588, now seen corresponding path program 1 times [2022-11-03 02:45:10,501 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 02:45:10,502 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [592548877] [2022-11-03 02:45:10,502 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:45:10,503 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 02:45:10,964 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-03 02:45:10,965 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1976959822] [2022-11-03 02:45:10,965 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:45:10,965 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-03 02:45:10,965 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0cc3804-2cc7-4b54-8950-1d546e4112bc/bin/utaipan-7li7fVZpFI/z3 [2022-11-03 02:45:10,967 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0cc3804-2cc7-4b54-8950-1d546e4112bc/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-03 02:45:10,987 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0cc3804-2cc7-4b54-8950-1d546e4112bc/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-11-03 02:45:12,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:45:12,660 INFO L263 TraceCheckSpWp]: Trace formula consists of 3745 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-03 02:45:12,674 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 02:45:12,760 INFO L134 CoverageAnalysis]: Checked inductivity of 756 backedges. 28 proven. 0 refuted. 0 times theorem prover too weak. 728 trivial. 0 not checked. [2022-11-03 02:45:12,760 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-03 02:45:12,761 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 02:45:12,761 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [592548877] [2022-11-03 02:45:12,761 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-03 02:45:12,761 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1976959822] [2022-11-03 02:45:12,762 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1976959822] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 02:45:12,762 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 02:45:12,762 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-03 02:45:12,765 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1652023270] [2022-11-03 02:45:12,765 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 02:45:12,770 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-03 02:45:12,770 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 02:45:12,796 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-03 02:45:12,797 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-03 02:45:12,804 INFO L87 Difference]: Start difference. First operand has 2192 states, 1276 states have (on average 1.2758620689655173) internal successors, (1628), 1301 states have internal predecessors, (1628), 767 states have call successors, (767), 149 states have call predecessors, (767), 148 states have return successors, (761), 759 states have call predecessors, (761), 761 states have call successors, (761) Second operand has 3 states, 3 states have (on average 20.0) internal successors, (60), 3 states have internal predecessors, (60), 3 states have call successors, (24), 3 states have call predecessors, (24), 3 states have return successors, (22), 3 states have call predecessors, (22), 3 states have call successors, (22) [2022-11-03 02:45:15,240 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:45:19,309 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:45:22,462 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:45:23,081 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:45:23,081 INFO L93 Difference]: Finished difference Result 5860 states and 8440 transitions. [2022-11-03 02:45:23,083 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-03 02:45:23,084 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 20.0) internal successors, (60), 3 states have internal predecessors, (60), 3 states have call successors, (24), 3 states have call predecessors, (24), 3 states have return successors, (22), 3 states have call predecessors, (22), 3 states have call successors, (22) Word has length 197 [2022-11-03 02:45:23,085 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:45:23,126 INFO L225 Difference]: With dead ends: 5860 [2022-11-03 02:45:23,127 INFO L226 Difference]: Without dead ends: 3632 [2022-11-03 02:45:23,142 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 196 GetRequests, 195 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-03 02:45:23,145 INFO L413 NwaCegarLoop]: 3339 mSDtfsCounter, 2186 mSDsluCounter, 3037 mSDsCounter, 0 mSdLazyCounter, 835 mSolverCounterSat, 20 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2186 SdHoareTripleChecker+Valid, 6008 SdHoareTripleChecker+Invalid, 858 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 20 IncrementalHoareTripleChecker+Valid, 835 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.9s IncrementalHoareTripleChecker+Time [2022-11-03 02:45:23,146 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2186 Valid, 6008 Invalid, 858 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [20 Valid, 835 Invalid, 3 Unknown, 0 Unchecked, 9.9s Time] [2022-11-03 02:45:23,168 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3632 states. [2022-11-03 02:45:23,439 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3632 to 3628. [2022-11-03 02:45:23,448 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3628 states, 2149 states have (on average 1.2712889716147044) internal successors, (2732), 2188 states have internal predecessors, (2732), 1218 states have call successors, (1218), 260 states have call predecessors, (1218), 260 states have return successors, (1218), 1213 states have call predecessors, (1218), 1218 states have call successors, (1218) [2022-11-03 02:45:23,476 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3628 states to 3628 states and 5168 transitions. [2022-11-03 02:45:23,480 INFO L78 Accepts]: Start accepts. Automaton has 3628 states and 5168 transitions. Word has length 197 [2022-11-03 02:45:23,485 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:45:23,486 INFO L495 AbstractCegarLoop]: Abstraction has 3628 states and 5168 transitions. [2022-11-03 02:45:23,486 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 20.0) internal successors, (60), 3 states have internal predecessors, (60), 3 states have call successors, (24), 3 states have call predecessors, (24), 3 states have return successors, (22), 3 states have call predecessors, (22), 3 states have call successors, (22) [2022-11-03 02:45:23,486 INFO L276 IsEmpty]: Start isEmpty. Operand 3628 states and 5168 transitions. [2022-11-03 02:45:23,507 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 203 [2022-11-03 02:45:23,507 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:45:23,508 INFO L195 NwaCegarLoop]: trace histogram [15, 14, 14, 14, 14, 14, 14, 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] [2022-11-03 02:45:23,556 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0cc3804-2cc7-4b54-8950-1d546e4112bc/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-11-03 02:45:23,724 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0cc3804-2cc7-4b54-8950-1d546e4112bc/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-03 02:45:23,724 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 02:45:23,724 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:45:23,725 INFO L85 PathProgramCache]: Analyzing trace with hash 1268115972, now seen corresponding path program 1 times [2022-11-03 02:45:23,725 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 02:45:23,725 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [180425962] [2022-11-03 02:45:23,725 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:45:23,725 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 02:45:23,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:45:24,310 INFO L134 CoverageAnalysis]: Checked inductivity of 759 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 759 trivial. 0 not checked. [2022-11-03 02:45:24,310 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 02:45:24,310 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [180425962] [2022-11-03 02:45:24,310 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [180425962] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 02:45:24,311 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 02:45:24,311 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-03 02:45:24,311 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [774343060] [2022-11-03 02:45:24,311 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 02:45:24,312 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-03 02:45:24,312 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 02:45:24,313 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-03 02:45:24,313 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-03 02:45:24,313 INFO L87 Difference]: Start difference. First operand 3628 states and 5168 transitions. Second operand has 3 states, 3 states have (on average 18.666666666666668) internal successors, (56), 3 states have internal predecessors, (56), 3 states have call successors, (27), 2 states have call predecessors, (27), 1 states have return successors, (25), 3 states have call predecessors, (25), 3 states have call successors, (25) [2022-11-03 02:45:26,088 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.11s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:45:28,446 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:45:30,892 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:45:33,728 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:45:33,728 INFO L93 Difference]: Finished difference Result 9260 states and 13106 transitions. [2022-11-03 02:45:33,728 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-03 02:45:33,729 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 18.666666666666668) internal successors, (56), 3 states have internal predecessors, (56), 3 states have call successors, (27), 2 states have call predecessors, (27), 1 states have return successors, (25), 3 states have call predecessors, (25), 3 states have call successors, (25) Word has length 202 [2022-11-03 02:45:33,729 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:45:33,765 INFO L225 Difference]: With dead ends: 9260 [2022-11-03 02:45:33,765 INFO L226 Difference]: Without dead ends: 5661 [2022-11-03 02:45:33,781 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 [2022-11-03 02:45:33,783 INFO L413 NwaCegarLoop]: 3150 mSDtfsCounter, 1898 mSDsluCounter, 2976 mSDsCounter, 0 mSdLazyCounter, 813 mSolverCounterSat, 7 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1898 SdHoareTripleChecker+Valid, 5783 SdHoareTripleChecker+Invalid, 822 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 813 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.1s IncrementalHoareTripleChecker+Time [2022-11-03 02:45:33,784 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1898 Valid, 5783 Invalid, 822 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 813 Invalid, 2 Unknown, 0 Unchecked, 9.1s Time] [2022-11-03 02:45:33,791 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5661 states. [2022-11-03 02:45:34,032 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5661 to 5657. [2022-11-03 02:45:34,045 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5657 states, 3348 states have (on average 1.2610513739545997) internal successors, (4222), 3409 states have internal predecessors, (4222), 1873 states have call successors, (1873), 436 states have call predecessors, (1873), 435 states have return successors, (1873), 1863 states have call predecessors, (1873), 1873 states have call successors, (1873) [2022-11-03 02:45:34,081 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5657 states to 5657 states and 7968 transitions. [2022-11-03 02:45:34,084 INFO L78 Accepts]: Start accepts. Automaton has 5657 states and 7968 transitions. Word has length 202 [2022-11-03 02:45:34,084 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:45:34,084 INFO L495 AbstractCegarLoop]: Abstraction has 5657 states and 7968 transitions. [2022-11-03 02:45:34,085 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 18.666666666666668) internal successors, (56), 3 states have internal predecessors, (56), 3 states have call successors, (27), 2 states have call predecessors, (27), 1 states have return successors, (25), 3 states have call predecessors, (25), 3 states have call successors, (25) [2022-11-03 02:45:34,085 INFO L276 IsEmpty]: Start isEmpty. Operand 5657 states and 7968 transitions. [2022-11-03 02:45:34,092 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 239 [2022-11-03 02:45:34,092 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:45:34,093 INFO L195 NwaCegarLoop]: trace histogram [16, 14, 14, 14, 14, 14, 14, 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] [2022-11-03 02:45:34,093 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-03 02:45:34,093 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 02:45:34,095 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:45:34,096 INFO L85 PathProgramCache]: Analyzing trace with hash -90894830, now seen corresponding path program 1 times [2022-11-03 02:45:34,096 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 02:45:34,097 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [186295408] [2022-11-03 02:45:34,098 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:45:34,098 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 02:45:34,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:45:34,425 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 02:45:34,425 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [186295408] [2022-11-03 02:45:34,425 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unsupported non-linear arithmetic [2022-11-03 02:45:34,426 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1240910514] [2022-11-03 02:45:34,426 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:45:34,426 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-03 02:45:34,426 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0cc3804-2cc7-4b54-8950-1d546e4112bc/bin/utaipan-7li7fVZpFI/z3 [2022-11-03 02:45:34,427 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0cc3804-2cc7-4b54-8950-1d546e4112bc/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-03 02:45:34,451 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0cc3804-2cc7-4b54-8950-1d546e4112bc/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-11-03 02:45:36,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:45:36,061 INFO L263 TraceCheckSpWp]: Trace formula consists of 3925 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-03 02:45:36,072 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 02:45:36,155 INFO L134 CoverageAnalysis]: Checked inductivity of 800 backedges. 70 proven. 0 refuted. 0 times theorem prover too weak. 730 trivial. 0 not checked. [2022-11-03 02:45:36,155 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-03 02:45:36,155 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1240910514] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 02:45:36,155 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 02:45:36,156 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-03 02:45:36,156 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [922145764] [2022-11-03 02:45:36,156 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 02:45:36,157 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-03 02:45:36,157 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 02:45:36,158 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-03 02:45:36,158 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-03 02:45:36,158 INFO L87 Difference]: Start difference. First operand 5657 states and 7968 transitions. Second operand has 3 states, 3 states have (on average 30.666666666666668) internal successors, (92), 3 states have internal predecessors, (92), 3 states have call successors, (28), 3 states have call predecessors, (28), 3 states have return successors, (26), 3 states have call predecessors, (26), 3 states have call successors, (26) [2022-11-03 02:45:38,658 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.59s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:45:41,180 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:45:43,380 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:45:45,034 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:45:45,034 INFO L93 Difference]: Finished difference Result 13650 states and 19196 transitions. [2022-11-03 02:45:45,035 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-03 02:45:45,035 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 30.666666666666668) internal successors, (92), 3 states have internal predecessors, (92), 3 states have call successors, (28), 3 states have call predecessors, (28), 3 states have return successors, (26), 3 states have call predecessors, (26), 3 states have call successors, (26) Word has length 238 [2022-11-03 02:45:45,036 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:45:45,088 INFO L225 Difference]: With dead ends: 13650 [2022-11-03 02:45:45,088 INFO L226 Difference]: Without dead ends: 8022 [2022-11-03 02:45:45,114 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 237 GetRequests, 236 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-03 02:45:45,118 INFO L413 NwaCegarLoop]: 3514 mSDtfsCounter, 2839 mSDsluCounter, 2449 mSDsCounter, 0 mSdLazyCounter, 815 mSolverCounterSat, 35 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2839 SdHoareTripleChecker+Valid, 5642 SdHoareTripleChecker+Invalid, 852 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 35 IncrementalHoareTripleChecker+Valid, 815 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.5s IncrementalHoareTripleChecker+Time [2022-11-03 02:45:45,119 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2839 Valid, 5642 Invalid, 852 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [35 Valid, 815 Invalid, 2 Unknown, 0 Unchecked, 8.5s Time] [2022-11-03 02:45:45,130 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8022 states. [2022-11-03 02:45:45,625 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8022 to 8016. [2022-11-03 02:45:45,655 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8016 states, 4756 states have (on average 1.2640874684608916) internal successors, (6012), 4839 states have internal predecessors, (6012), 2623 states have call successors, (2623), 637 states have call predecessors, (2623), 636 states have return successors, (2623), 2608 states have call predecessors, (2623), 2623 states have call successors, (2623) [2022-11-03 02:45:45,689 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8016 states to 8016 states and 11258 transitions. [2022-11-03 02:45:45,692 INFO L78 Accepts]: Start accepts. Automaton has 8016 states and 11258 transitions. Word has length 238 [2022-11-03 02:45:45,694 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:45:45,694 INFO L495 AbstractCegarLoop]: Abstraction has 8016 states and 11258 transitions. [2022-11-03 02:45:45,695 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 30.666666666666668) internal successors, (92), 3 states have internal predecessors, (92), 3 states have call successors, (28), 3 states have call predecessors, (28), 3 states have return successors, (26), 3 states have call predecessors, (26), 3 states have call successors, (26) [2022-11-03 02:45:45,695 INFO L276 IsEmpty]: Start isEmpty. Operand 8016 states and 11258 transitions. [2022-11-03 02:45:45,712 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 245 [2022-11-03 02:45:45,713 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:45:45,713 INFO L195 NwaCegarLoop]: trace histogram [18, 14, 14, 14, 14, 14, 14, 4, 4, 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] [2022-11-03 02:45:45,768 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0cc3804-2cc7-4b54-8950-1d546e4112bc/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2022-11-03 02:45:45,927 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0cc3804-2cc7-4b54-8950-1d546e4112bc/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-03 02:45:45,928 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 02:45:45,928 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:45:45,928 INFO L85 PathProgramCache]: Analyzing trace with hash -906062969, now seen corresponding path program 1 times [2022-11-03 02:45:45,929 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 02:45:45,929 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1692717341] [2022-11-03 02:45:45,929 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:45:45,929 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 02:45:46,089 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-03 02:45:46,090 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [696124535] [2022-11-03 02:45:46,090 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:45:46,090 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-03 02:45:46,090 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0cc3804-2cc7-4b54-8950-1d546e4112bc/bin/utaipan-7li7fVZpFI/z3 [2022-11-03 02:45:46,091 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0cc3804-2cc7-4b54-8950-1d546e4112bc/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-03 02:45:46,115 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0cc3804-2cc7-4b54-8950-1d546e4112bc/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-11-03 02:45:47,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:45:47,545 INFO L263 TraceCheckSpWp]: Trace formula consists of 3999 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-03 02:45:47,554 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 02:45:47,634 INFO L134 CoverageAnalysis]: Checked inductivity of 873 backedges. 76 proven. 0 refuted. 0 times theorem prover too weak. 797 trivial. 0 not checked. [2022-11-03 02:45:47,635 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-03 02:45:47,635 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 02:45:47,635 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1692717341] [2022-11-03 02:45:47,635 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-03 02:45:47,635 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [696124535] [2022-11-03 02:45:47,636 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [696124535] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 02:45:47,636 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 02:45:47,636 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-03 02:45:47,636 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1179349962] [2022-11-03 02:45:47,636 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 02:45:47,637 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-03 02:45:47,637 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 02:45:47,638 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-03 02:45:47,638 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-03 02:45:47,638 INFO L87 Difference]: Start difference. First operand 8016 states and 11258 transitions. Second operand has 3 states, 3 states have (on average 28.0) internal successors, (84), 3 states have internal predecessors, (84), 3 states have call successors, (32), 3 states have call predecessors, (32), 3 states have return successors, (30), 3 states have call predecessors, (30), 3 states have call successors, (30) [2022-11-03 02:45:50,654 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:45:53,356 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:45:54,666 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.11s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:45:55,904 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.24s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:45:57,776 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.47s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:45:59,217 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:45:59,217 INFO L93 Difference]: Finished difference Result 19711 states and 27689 transitions. [2022-11-03 02:45:59,218 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-03 02:45:59,219 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 28.0) internal successors, (84), 3 states have internal predecessors, (84), 3 states have call successors, (32), 3 states have call predecessors, (32), 3 states have return successors, (30), 3 states have call predecessors, (30), 3 states have call successors, (30) Word has length 244 [2022-11-03 02:45:59,219 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:45:59,286 INFO L225 Difference]: With dead ends: 19711 [2022-11-03 02:45:59,287 INFO L226 Difference]: Without dead ends: 11724 [2022-11-03 02:45:59,315 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 243 GetRequests, 242 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-03 02:45:59,316 INFO L413 NwaCegarLoop]: 3841 mSDtfsCounter, 2113 mSDsluCounter, 2971 mSDsCounter, 0 mSdLazyCounter, 974 mSolverCounterSat, 19 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 10.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2113 SdHoareTripleChecker+Valid, 6444 SdHoareTripleChecker+Invalid, 995 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 974 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 11.1s IncrementalHoareTripleChecker+Time [2022-11-03 02:45:59,316 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2113 Valid, 6444 Invalid, 995 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 974 Invalid, 2 Unknown, 0 Unchecked, 11.1s Time] [2022-11-03 02:45:59,330 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11724 states. [2022-11-03 02:45:59,871 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11724 to 11720. [2022-11-03 02:45:59,890 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11720 states, 6977 states have (on average 1.264010319621614) internal successors, (8819), 7097 states have internal predecessors, (8819), 3798 states have call successors, (3798), 945 states have call predecessors, (3798), 944 states have return successors, (3798), 3776 states have call predecessors, (3798), 3798 states have call successors, (3798) [2022-11-03 02:46:00,069 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11720 states to 11720 states and 16415 transitions. [2022-11-03 02:46:00,075 INFO L78 Accepts]: Start accepts. Automaton has 11720 states and 16415 transitions. Word has length 244 [2022-11-03 02:46:00,076 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:46:00,077 INFO L495 AbstractCegarLoop]: Abstraction has 11720 states and 16415 transitions. [2022-11-03 02:46:00,077 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 28.0) internal successors, (84), 3 states have internal predecessors, (84), 3 states have call successors, (32), 3 states have call predecessors, (32), 3 states have return successors, (30), 3 states have call predecessors, (30), 3 states have call successors, (30) [2022-11-03 02:46:00,077 INFO L276 IsEmpty]: Start isEmpty. Operand 11720 states and 16415 transitions. [2022-11-03 02:46:00,089 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 307 [2022-11-03 02:46:00,089 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:46:00,090 INFO L195 NwaCegarLoop]: trace histogram [20, 14, 14, 14, 14, 14, 14, 8, 8, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 02:46:00,130 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0cc3804-2cc7-4b54-8950-1d546e4112bc/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2022-11-03 02:46:00,315 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0cc3804-2cc7-4b54-8950-1d546e4112bc/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-03 02:46:00,316 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 02:46:00,316 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:46:00,316 INFO L85 PathProgramCache]: Analyzing trace with hash -850690578, now seen corresponding path program 1 times [2022-11-03 02:46:00,317 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 02:46:00,317 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [374941237] [2022-11-03 02:46:00,317 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:46:00,317 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 02:46:00,481 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-03 02:46:00,481 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1991168096] [2022-11-03 02:46:00,482 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:46:00,482 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-03 02:46:00,482 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0cc3804-2cc7-4b54-8950-1d546e4112bc/bin/utaipan-7li7fVZpFI/z3 [2022-11-03 02:46:00,483 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0cc3804-2cc7-4b54-8950-1d546e4112bc/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-03 02:46:00,507 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0cc3804-2cc7-4b54-8950-1d546e4112bc/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-11-03 02:46:02,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:46:02,131 INFO L263 TraceCheckSpWp]: Trace formula consists of 4208 conjuncts, 24 conjunts are in the unsatisfiable core [2022-11-03 02:46:02,147 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 02:46:27,574 INFO L134 CoverageAnalysis]: Checked inductivity of 1037 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1037 trivial. 0 not checked. [2022-11-03 02:46:27,575 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-03 02:46:27,575 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 02:46:27,575 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [374941237] [2022-11-03 02:46:27,575 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-03 02:46:27,575 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1991168096] [2022-11-03 02:46:27,576 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1991168096] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 02:46:27,576 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 02:46:27,576 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-03 02:46:27,576 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [733918099] [2022-11-03 02:46:27,576 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 02:46:27,577 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-03 02:46:27,577 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 02:46:27,578 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-03 02:46:27,578 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-11-03 02:46:27,578 INFO L87 Difference]: Start difference. First operand 11720 states and 16415 transitions. Second operand has 6 states, 5 states have (on average 19.6) internal successors, (98), 4 states have internal predecessors, (98), 1 states have call successors, (37), 1 states have call predecessors, (37), 2 states have return successors, (35), 2 states have call predecessors, (35), 1 states have call successors, (35) [2022-11-03 02:46:33,815 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:46:37,812 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:46:40,069 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.42s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:46:42,111 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:46:43,318 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.21s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:46:46,238 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:46:48,974 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:46:48,974 INFO L93 Difference]: Finished difference Result 14222 states and 19823 transitions. [2022-11-03 02:46:48,975 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-03 02:46:48,975 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 19.6) internal successors, (98), 4 states have internal predecessors, (98), 1 states have call successors, (37), 1 states have call predecessors, (37), 2 states have return successors, (35), 2 states have call predecessors, (35), 1 states have call successors, (35) Word has length 306 [2022-11-03 02:46:48,976 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:46:49,037 INFO L225 Difference]: With dead ends: 14222 [2022-11-03 02:46:49,037 INFO L226 Difference]: Without dead ends: 14220 [2022-11-03 02:46:49,045 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 307 GetRequests, 301 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2022-11-03 02:46:49,046 INFO L413 NwaCegarLoop]: 3173 mSDtfsCounter, 1662 mSDsluCounter, 12823 mSDsCounter, 0 mSdLazyCounter, 2831 mSolverCounterSat, 1 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 19.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1663 SdHoareTripleChecker+Valid, 14462 SdHoareTripleChecker+Invalid, 2836 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 2831 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 20.6s IncrementalHoareTripleChecker+Time [2022-11-03 02:46:49,046 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1663 Valid, 14462 Invalid, 2836 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1 Valid, 2831 Invalid, 4 Unknown, 0 Unchecked, 20.6s Time] [2022-11-03 02:46:49,064 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14220 states. [2022-11-03 02:46:49,913 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14220 to 14214. [2022-11-03 02:46:49,931 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14214 states, 8472 states have (on average 1.260505193578848) internal successors, (10679), 8622 states have internal predecessors, (10679), 4566 states have call successors, (4566), 1184 states have call predecessors, (4566), 1175 states have return successors, (4570), 4520 states have call predecessors, (4570), 4566 states have call successors, (4570) [2022-11-03 02:46:49,986 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14214 states to 14214 states and 19815 transitions. [2022-11-03 02:46:49,987 INFO L78 Accepts]: Start accepts. Automaton has 14214 states and 19815 transitions. Word has length 306 [2022-11-03 02:46:49,991 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:46:49,991 INFO L495 AbstractCegarLoop]: Abstraction has 14214 states and 19815 transitions. [2022-11-03 02:46:49,991 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 19.6) internal successors, (98), 4 states have internal predecessors, (98), 1 states have call successors, (37), 1 states have call predecessors, (37), 2 states have return successors, (35), 2 states have call predecessors, (35), 1 states have call successors, (35) [2022-11-03 02:46:49,992 INFO L276 IsEmpty]: Start isEmpty. Operand 14214 states and 19815 transitions. [2022-11-03 02:46:50,014 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 375 [2022-11-03 02:46:50,014 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:46:50,015 INFO L195 NwaCegarLoop]: trace histogram [21, 14, 14, 14, 14, 14, 14, 10, 10, 4, 4, 4, 3, 3, 3, 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] [2022-11-03 02:46:50,065 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0cc3804-2cc7-4b54-8950-1d546e4112bc/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2022-11-03 02:46:50,227 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0cc3804-2cc7-4b54-8950-1d546e4112bc/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-03 02:46:50,228 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 02:46:50,228 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:46:50,228 INFO L85 PathProgramCache]: Analyzing trace with hash 832702905, now seen corresponding path program 1 times [2022-11-03 02:46:50,228 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 02:46:50,228 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [133414321] [2022-11-03 02:46:50,229 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:46:50,229 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 02:46:50,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:46:50,494 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 02:46:50,495 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [133414321] [2022-11-03 02:46:50,495 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unsupported non-linear arithmetic [2022-11-03 02:46:50,495 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [30925798] [2022-11-03 02:46:50,495 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:46:50,496 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-03 02:46:50,496 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0cc3804-2cc7-4b54-8950-1d546e4112bc/bin/utaipan-7li7fVZpFI/z3 [2022-11-03 02:46:50,497 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0cc3804-2cc7-4b54-8950-1d546e4112bc/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-03 02:46:50,519 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0cc3804-2cc7-4b54-8950-1d546e4112bc/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2022-11-03 02:46:52,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:46:52,162 INFO L263 TraceCheckSpWp]: Trace formula consists of 4492 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-03 02:46:52,172 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 02:46:52,208 INFO L134 CoverageAnalysis]: Checked inductivity of 1145 backedges. 223 proven. 0 refuted. 0 times theorem prover too weak. 922 trivial. 0 not checked. [2022-11-03 02:46:52,208 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-03 02:46:52,209 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [30925798] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 02:46:52,209 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 02:46:52,209 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-03 02:46:52,209 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1721810746] [2022-11-03 02:46:52,209 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 02:46:52,210 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-03 02:46:52,210 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 02:46:52,211 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-03 02:46:52,211 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-03 02:46:52,211 INFO L87 Difference]: Start difference. First operand 14214 states and 19815 transitions. Second operand has 3 states, 3 states have (on average 44.0) internal successors, (132), 3 states have internal predecessors, (132), 3 states have call successors, (52), 3 states have call predecessors, (52), 3 states have return successors, (50), 3 states have call predecessors, (50), 3 states have call successors, (50) [2022-11-03 02:46:55,250 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.61s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:46:57,338 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:46:59,957 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:47:01,981 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.45s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:47:04,023 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:47:06,274 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:47:07,663 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:47:07,664 INFO L93 Difference]: Finished difference Result 41097 states and 57257 transitions. [2022-11-03 02:47:07,667 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-03 02:47:07,668 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 44.0) internal successors, (132), 3 states have internal predecessors, (132), 3 states have call successors, (52), 3 states have call predecessors, (52), 3 states have return successors, (50), 3 states have call predecessors, (50), 3 states have call successors, (50) Word has length 374 [2022-11-03 02:47:07,668 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:47:07,797 INFO L225 Difference]: With dead ends: 41097 [2022-11-03 02:47:07,797 INFO L226 Difference]: Without dead ends: 26930 [2022-11-03 02:47:07,853 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 373 GetRequests, 372 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-03 02:47:07,853 INFO L413 NwaCegarLoop]: 3983 mSDtfsCounter, 2873 mSDsluCounter, 2995 mSDsCounter, 0 mSdLazyCounter, 893 mSolverCounterSat, 3 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 13.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2873 SdHoareTripleChecker+Valid, 6605 SdHoareTripleChecker+Invalid, 899 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 893 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 14.3s IncrementalHoareTripleChecker+Time [2022-11-03 02:47:07,854 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2873 Valid, 6605 Invalid, 899 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 893 Invalid, 3 Unknown, 0 Unchecked, 14.3s Time] [2022-11-03 02:47:07,885 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26930 states. [2022-11-03 02:47:09,452 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26930 to 26906. [2022-11-03 02:47:09,477 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 26906 states, 16075 states have (on average 1.2614618973561431) internal successors, (20278), 16391 states have internal predecessors, (20278), 8582 states have call successors, (8582), 2292 states have call predecessors, (8582), 2248 states have return successors, (8607), 8427 states have call predecessors, (8607), 8582 states have call successors, (8607) [2022-11-03 02:47:09,629 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26906 states to 26906 states and 37467 transitions. [2022-11-03 02:47:09,634 INFO L78 Accepts]: Start accepts. Automaton has 26906 states and 37467 transitions. Word has length 374 [2022-11-03 02:47:09,635 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:47:09,635 INFO L495 AbstractCegarLoop]: Abstraction has 26906 states and 37467 transitions. [2022-11-03 02:47:09,636 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 44.0) internal successors, (132), 3 states have internal predecessors, (132), 3 states have call successors, (52), 3 states have call predecessors, (52), 3 states have return successors, (50), 3 states have call predecessors, (50), 3 states have call successors, (50) [2022-11-03 02:47:09,636 INFO L276 IsEmpty]: Start isEmpty. Operand 26906 states and 37467 transitions. [2022-11-03 02:47:09,683 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 411 [2022-11-03 02:47:09,683 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:47:09,683 INFO L195 NwaCegarLoop]: trace histogram [22, 14, 14, 14, 14, 14, 14, 10, 10, 4, 4, 4, 4, 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] [2022-11-03 02:47:09,731 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0cc3804-2cc7-4b54-8950-1d546e4112bc/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2022-11-03 02:47:09,907 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0cc3804-2cc7-4b54-8950-1d546e4112bc/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-03 02:47:09,908 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 02:47:09,908 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:47:09,909 INFO L85 PathProgramCache]: Analyzing trace with hash -349267631, now seen corresponding path program 1 times [2022-11-03 02:47:09,909 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 02:47:09,909 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1495647548] [2022-11-03 02:47:09,909 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:47:09,909 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 02:47:10,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:47:10,253 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 02:47:10,254 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1495647548] [2022-11-03 02:47:10,254 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unsupported non-linear arithmetic [2022-11-03 02:47:10,254 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1400201115] [2022-11-03 02:47:10,254 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:47:10,254 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-03 02:47:10,255 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0cc3804-2cc7-4b54-8950-1d546e4112bc/bin/utaipan-7li7fVZpFI/z3 [2022-11-03 02:47:10,256 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0cc3804-2cc7-4b54-8950-1d546e4112bc/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-03 02:47:10,278 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0cc3804-2cc7-4b54-8950-1d546e4112bc/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2022-11-03 02:47:12,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:47:12,026 INFO L263 TraceCheckSpWp]: Trace formula consists of 4790 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-03 02:47:12,037 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 02:47:12,084 INFO L134 CoverageAnalysis]: Checked inductivity of 1203 backedges. 249 proven. 0 refuted. 0 times theorem prover too weak. 954 trivial. 0 not checked. [2022-11-03 02:47:12,084 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-03 02:47:12,084 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1400201115] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 02:47:12,084 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 02:47:12,084 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-03 02:47:12,085 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1635976003] [2022-11-03 02:47:12,085 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 02:47:12,086 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-03 02:47:12,086 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 02:47:12,087 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-03 02:47:12,087 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-03 02:47:12,087 INFO L87 Difference]: Start difference. First operand 26906 states and 37467 transitions. Second operand has 3 states, 3 states have (on average 48.333333333333336) internal successors, (145), 3 states have internal predecessors, (145), 3 states have call successors, (58), 3 states have call predecessors, (58), 3 states have return successors, (56), 3 states have call predecessors, (56), 3 states have call successors, (56) [2022-11-03 02:47:15,705 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:47:18,499 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:47:20,754 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.74s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:47:22,804 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:47:24,940 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:47:26,970 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:47:26,970 INFO L93 Difference]: Finished difference Result 76293 states and 106563 transitions. [2022-11-03 02:47:26,970 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-03 02:47:26,971 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 48.333333333333336) internal successors, (145), 3 states have internal predecessors, (145), 3 states have call successors, (58), 3 states have call predecessors, (58), 3 states have return successors, (56), 3 states have call predecessors, (56), 3 states have call successors, (56) Word has length 410 [2022-11-03 02:47:26,971 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:47:27,226 INFO L225 Difference]: With dead ends: 76293 [2022-11-03 02:47:27,226 INFO L226 Difference]: Without dead ends: 49434 [2022-11-03 02:47:27,480 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 409 GetRequests, 408 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-03 02:47:27,481 INFO L413 NwaCegarLoop]: 3983 mSDtfsCounter, 2831 mSDsluCounter, 3037 mSDsCounter, 0 mSdLazyCounter, 910 mSolverCounterSat, 5 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 12.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2831 SdHoareTripleChecker+Valid, 6648 SdHoareTripleChecker+Invalid, 919 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 910 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 12.8s IncrementalHoareTripleChecker+Time [2022-11-03 02:47:27,481 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2831 Valid, 6648 Invalid, 919 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 910 Invalid, 4 Unknown, 0 Unchecked, 12.8s Time] [2022-11-03 02:47:27,526 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 49434 states. [2022-11-03 02:47:30,485 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 49434 to 49420. [2022-11-03 02:47:30,526 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 49420 states, 29644 states have (on average 1.2622115773849683) internal successors, (37417), 30239 states have internal predecessors, (37417), 15769 states have call successors, (15769), 4092 states have call predecessors, (15769), 4006 states have return successors, (15875), 15458 states have call predecessors, (15875), 15769 states have call successors, (15875) [2022-11-03 02:47:30,920 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49420 states to 49420 states and 69061 transitions. [2022-11-03 02:47:30,929 INFO L78 Accepts]: Start accepts. Automaton has 49420 states and 69061 transitions. Word has length 410 [2022-11-03 02:47:30,930 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:47:30,930 INFO L495 AbstractCegarLoop]: Abstraction has 49420 states and 69061 transitions. [2022-11-03 02:47:30,930 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 48.333333333333336) internal successors, (145), 3 states have internal predecessors, (145), 3 states have call successors, (58), 3 states have call predecessors, (58), 3 states have return successors, (56), 3 states have call predecessors, (56), 3 states have call successors, (56) [2022-11-03 02:47:30,930 INFO L276 IsEmpty]: Start isEmpty. Operand 49420 states and 69061 transitions. [2022-11-03 02:47:30,960 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 393 [2022-11-03 02:47:30,960 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:47:30,960 INFO L195 NwaCegarLoop]: trace histogram [22, 14, 14, 14, 14, 14, 14, 11, 11, 5, 5, 5, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 02:47:31,010 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0cc3804-2cc7-4b54-8950-1d546e4112bc/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2022-11-03 02:47:31,175 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0cc3804-2cc7-4b54-8950-1d546e4112bc/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-03 02:47:31,176 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 02:47:31,176 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:47:31,177 INFO L85 PathProgramCache]: Analyzing trace with hash 1649356189, now seen corresponding path program 1 times [2022-11-03 02:47:31,177 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 02:47:31,177 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [649141141] [2022-11-03 02:47:31,177 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:47:31,177 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 02:47:31,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:47:31,411 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 02:47:31,411 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [649141141] [2022-11-03 02:47:31,411 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unsupported non-linear arithmetic [2022-11-03 02:47:31,412 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1541943503] [2022-11-03 02:47:31,412 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:47:31,412 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-03 02:47:31,412 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0cc3804-2cc7-4b54-8950-1d546e4112bc/bin/utaipan-7li7fVZpFI/z3 [2022-11-03 02:47:31,413 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0cc3804-2cc7-4b54-8950-1d546e4112bc/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-03 02:47:31,633 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0cc3804-2cc7-4b54-8950-1d546e4112bc/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2022-11-03 02:47:33,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:47:33,427 INFO L263 TraceCheckSpWp]: Trace formula consists of 4550 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-03 02:47:33,454 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 02:47:33,514 INFO L134 CoverageAnalysis]: Checked inductivity of 1239 backedges. 260 proven. 0 refuted. 0 times theorem prover too weak. 979 trivial. 0 not checked. [2022-11-03 02:47:33,514 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-03 02:47:33,515 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1541943503] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 02:47:33,515 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 02:47:33,515 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-03 02:47:33,515 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2081609329] [2022-11-03 02:47:33,516 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 02:47:33,517 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-03 02:47:33,517 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 02:47:33,518 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-03 02:47:33,518 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-03 02:47:33,518 INFO L87 Difference]: Start difference. First operand 49420 states and 69061 transitions. Second operand has 3 states, 3 states have (on average 46.333333333333336) internal successors, (139), 3 states have internal predecessors, (139), 3 states have call successors, (53), 3 states have call predecessors, (53), 3 states have return successors, (51), 3 states have call predecessors, (51), 3 states have call successors, (51) [2022-11-03 02:47:38,350 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:47:41,183 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:47:43,665 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:47:47,660 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:47:47,660 INFO L93 Difference]: Finished difference Result 147498 states and 206079 transitions. [2022-11-03 02:47:47,660 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-03 02:47:47,661 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 46.333333333333336) internal successors, (139), 3 states have internal predecessors, (139), 3 states have call successors, (53), 3 states have call predecessors, (53), 3 states have return successors, (51), 3 states have call predecessors, (51), 3 states have call successors, (51) Word has length 392 [2022-11-03 02:47:47,661 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:47:48,557 INFO L225 Difference]: With dead ends: 147498 [2022-11-03 02:47:48,557 INFO L226 Difference]: Without dead ends: 98125 [2022-11-03 02:47:48,714 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 391 GetRequests, 390 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-03 02:47:48,715 INFO L413 NwaCegarLoop]: 3963 mSDtfsCounter, 2869 mSDsluCounter, 3070 mSDsCounter, 0 mSdLazyCounter, 900 mSolverCounterSat, 4 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2869 SdHoareTripleChecker+Valid, 6658 SdHoareTripleChecker+Invalid, 907 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 900 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.6s IncrementalHoareTripleChecker+Time [2022-11-03 02:47:48,715 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2869 Valid, 6658 Invalid, 907 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 900 Invalid, 3 Unknown, 0 Unchecked, 9.6s Time] [2022-11-03 02:47:48,815 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 98125 states. [2022-11-03 02:47:53,836 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 98125 to 98002. [2022-11-03 02:47:53,910 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 98002 states, 58764 states have (on average 1.2610611939282554) internal successors, (74105), 60040 states have internal predecessors, (74105), 31265 states have call successors, (31265), 8145 states have call predecessors, (31265), 7972 states have return successors, (31476), 30552 states have call predecessors, (31476), 31265 states have call successors, (31476) [2022-11-03 02:47:54,431 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98002 states to 98002 states and 136846 transitions. [2022-11-03 02:47:54,453 INFO L78 Accepts]: Start accepts. Automaton has 98002 states and 136846 transitions. Word has length 392 [2022-11-03 02:47:54,453 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:47:54,454 INFO L495 AbstractCegarLoop]: Abstraction has 98002 states and 136846 transitions. [2022-11-03 02:47:54,454 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 46.333333333333336) internal successors, (139), 3 states have internal predecessors, (139), 3 states have call successors, (53), 3 states have call predecessors, (53), 3 states have return successors, (51), 3 states have call predecessors, (51), 3 states have call successors, (51) [2022-11-03 02:47:54,454 INFO L276 IsEmpty]: Start isEmpty. Operand 98002 states and 136846 transitions. [2022-11-03 02:47:55,008 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 408 [2022-11-03 02:47:55,009 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:47:55,009 INFO L195 NwaCegarLoop]: trace histogram [23, 14, 14, 14, 14, 14, 14, 12, 12, 6, 6, 6, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 02:47:55,068 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0cc3804-2cc7-4b54-8950-1d546e4112bc/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2022-11-03 02:47:55,223 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0cc3804-2cc7-4b54-8950-1d546e4112bc/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable7 [2022-11-03 02:47:55,224 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 02:47:55,224 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:47:55,225 INFO L85 PathProgramCache]: Analyzing trace with hash -2031534356, now seen corresponding path program 1 times [2022-11-03 02:47:55,225 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 02:47:55,225 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [545706016] [2022-11-03 02:47:55,225 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:47:55,225 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 02:47:55,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:47:55,467 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 02:47:55,468 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [545706016] [2022-11-03 02:47:55,468 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unsupported non-linear arithmetic [2022-11-03 02:47:55,468 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1611913900] [2022-11-03 02:47:55,468 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:47:55,468 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-03 02:47:55,469 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0cc3804-2cc7-4b54-8950-1d546e4112bc/bin/utaipan-7li7fVZpFI/z3 [2022-11-03 02:47:55,469 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0cc3804-2cc7-4b54-8950-1d546e4112bc/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-03 02:47:55,490 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0cc3804-2cc7-4b54-8950-1d546e4112bc/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2022-11-03 02:47:57,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:47:57,276 INFO L263 TraceCheckSpWp]: Trace formula consists of 4593 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-03 02:47:57,286 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 02:47:57,329 INFO L134 CoverageAnalysis]: Checked inductivity of 1336 backedges. 287 proven. 0 refuted. 0 times theorem prover too weak. 1049 trivial. 0 not checked. [2022-11-03 02:47:57,329 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-03 02:47:57,329 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1611913900] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 02:47:57,330 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 02:47:57,330 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-03 02:47:57,333 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [498318618] [2022-11-03 02:47:57,333 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 02:47:57,334 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-03 02:47:57,334 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 02:47:57,335 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-03 02:47:57,335 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-03 02:47:57,336 INFO L87 Difference]: Start difference. First operand 98002 states and 136846 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, (54), 3 states have call predecessors, (54), 3 states have return successors, (52), 3 states have call predecessors, (52), 3 states have call successors, (52) [2022-11-03 02:48:02,674 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:48:05,775 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:48:08,185 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:48:12,576 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:48:13,899 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:48:13,899 INFO L93 Difference]: Finished difference Result 196671 states and 274131 transitions. [2022-11-03 02:48:13,900 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-03 02:48:13,900 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, (54), 3 states have call predecessors, (54), 3 states have return successors, (52), 3 states have call predecessors, (52), 3 states have call successors, (52) Word has length 407 [2022-11-03 02:48:13,901 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:48:14,549 INFO L225 Difference]: With dead ends: 196671 [2022-11-03 02:48:14,549 INFO L226 Difference]: Without dead ends: 98716 [2022-11-03 02:48:14,754 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 406 GetRequests, 405 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-03 02:48:14,755 INFO L413 NwaCegarLoop]: 2692 mSDtfsCounter, 80 mSDsluCounter, 3038 mSDsCounter, 0 mSdLazyCounter, 776 mSolverCounterSat, 3 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 11.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 80 SdHoareTripleChecker+Valid, 5359 SdHoareTripleChecker+Invalid, 783 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 776 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 12.0s IncrementalHoareTripleChecker+Time [2022-11-03 02:48:14,755 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [80 Valid, 5359 Invalid, 783 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 776 Invalid, 4 Unknown, 0 Unchecked, 12.0s Time] [2022-11-03 02:48:14,844 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 98716 states. [2022-11-03 02:48:19,376 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 98716 to 98716. [2022-11-03 02:48:19,451 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 98716 states, 59201 states have (on average 1.2592523774936235) internal successors, (74549), 60477 states have internal predecessors, (74549), 31292 states have call successors, (31292), 8395 states have call predecessors, (31292), 8222 states have return successors, (31503), 30579 states have call predecessors, (31503), 31292 states have call successors, (31503) [2022-11-03 02:48:20,080 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98716 states to 98716 states and 137344 transitions. [2022-11-03 02:48:20,105 INFO L78 Accepts]: Start accepts. Automaton has 98716 states and 137344 transitions. Word has length 407 [2022-11-03 02:48:20,105 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:48:20,105 INFO L495 AbstractCegarLoop]: Abstraction has 98716 states and 137344 transitions. [2022-11-03 02:48:20,106 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, (54), 3 states have call predecessors, (54), 3 states have return successors, (52), 3 states have call predecessors, (52), 3 states have call successors, (52) [2022-11-03 02:48:20,106 INFO L276 IsEmpty]: Start isEmpty. Operand 98716 states and 137344 transitions. [2022-11-03 02:48:20,136 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 408 [2022-11-03 02:48:20,137 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:48:20,137 INFO L195 NwaCegarLoop]: trace histogram [23, 14, 14, 14, 14, 14, 14, 12, 12, 6, 6, 6, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 02:48:20,167 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0cc3804-2cc7-4b54-8950-1d546e4112bc/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Ended with exit code 0 [2022-11-03 02:48:20,337 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0cc3804-2cc7-4b54-8950-1d546e4112bc/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-03 02:48:20,338 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 02:48:20,338 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:48:20,338 INFO L85 PathProgramCache]: Analyzing trace with hash -1630864036, now seen corresponding path program 2 times [2022-11-03 02:48:20,338 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 02:48:20,338 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1145917035] [2022-11-03 02:48:20,338 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:48:20,339 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 02:48:20,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:48:20,580 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 02:48:20,580 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1145917035] [2022-11-03 02:48:20,580 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unsupported non-linear arithmetic [2022-11-03 02:48:20,581 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1481702585] [2022-11-03 02:48:20,581 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-11-03 02:48:20,581 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-03 02:48:20,581 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0cc3804-2cc7-4b54-8950-1d546e4112bc/bin/utaipan-7li7fVZpFI/z3 [2022-11-03 02:48:20,582 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0cc3804-2cc7-4b54-8950-1d546e4112bc/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-03 02:48:20,607 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0cc3804-2cc7-4b54-8950-1d546e4112bc/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2022-11-03 02:48:23,111 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 1 check-sat command(s) [2022-11-03 02:48:23,111 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-03 02:48:23,126 INFO L263 TraceCheckSpWp]: Trace formula consists of 3203 conjuncts, 79 conjunts are in the unsatisfiable core [2022-11-03 02:48:23,138 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 02:48:23,228 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 201 treesize of output 170 [2022-11-03 02:48:23,237 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:48:23,262 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:49:32,082 WARN L234 SmtUtils]: Spent 1.15m on a formula simplification. DAG size of input: 195 DAG size of output: 75 (called from [L 353] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2022-11-03 02:49:32,084 INFO L356 Elim1Store]: treesize reduction 880, result has 17.7 percent of original size [2022-11-03 02:49:32,085 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 4 stores, 5 select indices, 5 select index equivalence classes, 29 disjoint index pairs (out of 10 index pairs), introduced 9 new quantified variables, introduced 20 case distinctions, treesize of input 398 treesize of output 909 [2022-11-03 02:49:33,921 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:49:36,313 WARN L161 IndexEqualityManager]: solver failed to check if following equality is implied: (= (select v_arrayElimArr_1 (+ |atl1e_open_atl1e_setup_ring_resources_~adapter#1.offset| 1424)) (select v_arrayElimArr_1 (+ |atl1e_open_atl1e_init_ring_resources_~rx_ring~1#1.offset| 24))) [2022-11-03 02:49:39,046 WARN L177 IndexEqualityManager]: solver failed to check if following not equals relation is implied: (= (select v_arrayElimArr_1 (+ |atl1e_open_atl1e_setup_ring_resources_~adapter#1.offset| 1424)) (select v_arrayElimArr_1 (+ |atl1e_open_atl1e_init_ring_resources_~rx_ring~1#1.offset| 24))) [2022-11-03 02:49:41,257 WARN L177 IndexEqualityManager]: solver failed to check if following not equals relation is implied: (let ((.cse0 (+ |atl1e_open_atl1e_init_ring_resources_~rx_ring~1#1.offset| 24))) (= (select v_arrayElimArr_4 .cse0) (select v_arrayElimArr_1 .cse0))) [2022-11-03 02:49:43,427 WARN L177 IndexEqualityManager]: solver failed to check if following not equals relation is implied: (= (let ((.cse0 (select v_arrayElimArr_3 (+ 1752 |atl1e_open_atl1e_setup_ring_resources_~adapter#1.offset|)))) (+ (* aux_div_aux_mod_v_arrayElimCell_4_29_40 1048576) (* 2 (* v_arrayElimCell_6 .cse0)) 45 (* 8 .cse0) (* aux_mod_aux_mod_v_arrayElimCell_4_29_40 16))) (select v_arrayElimArr_1 (+ |atl1e_open_atl1e_init_ring_resources_~rx_ring~1#1.offset| 24))) [2022-11-03 02:49:45,554 WARN L161 IndexEqualityManager]: solver failed to check if following equality is implied: (= (select v_arrayElimArr_1 (+ |atl1e_open_atl1e_init_ring_resources_~rx_ring~1#1.offset| 24)) (select v_arrayElimArr_4 (+ |atl1e_open_atl1e_setup_ring_resources_~adapter#1.offset| 1424))) [2022-11-03 02:49:47,724 WARN L177 IndexEqualityManager]: solver failed to check if following not equals relation is implied: (= (select v_arrayElimArr_1 (+ |atl1e_open_atl1e_init_ring_resources_~rx_ring~1#1.offset| 24)) (select v_arrayElimArr_4 (+ |atl1e_open_atl1e_setup_ring_resources_~adapter#1.offset| 1424))) [2022-11-03 02:49:49,970 WARN L161 IndexEqualityManager]: solver failed to check if following equality is implied: (= (let ((.cse0 (select v_arrayElimArr_3 (+ 1752 |atl1e_open_atl1e_setup_ring_resources_~adapter#1.offset|)))) (+ (* 2 (* v_arrayElimCell_6 .cse0)) 45 (* 8 .cse0) (* (mod (* aux_div_aux_mod_aux_mod_aux_mod_v_arrayElimCell_5_131_212_278_62 32) 65536) 16))) (select v_arrayElimArr_1 (+ |atl1e_open_atl1e_init_ring_resources_~rx_ring~1#1.offset| 24))) [2022-11-03 02:49:52,315 WARN L161 IndexEqualityManager]: solver failed to check if following equality is implied: (let ((.cse0 (select v_arrayElimArr_3 (+ 1752 |atl1e_open_atl1e_setup_ring_resources_~adapter#1.offset|)))) (= (+ (* 131072 (* aux_div_aux_mod_aux_mod_aux_mod_aux_mod_v_arrayElimCell_2_29_40_51_62_73 .cse0)) (* aux_div_aux_mod_v_arrayElimCell_4_29_40 1048576) (* 2 (* v_arrayElimCell_6 .cse0)) (* (* aux_div_aux_mod_aux_mod_v_arrayElimCell_2_29_40_51 .cse0) 131072) (* (* aux_div_aux_mod_aux_mod_aux_mod_v_arrayElimCell_2_29_40_51_62 .cse0) 131072) (* aux_mod_aux_mod_v_arrayElimCell_4_29_40 16)) (+ (* (mod (+ (* aux_div_aux_mod_aux_mod_aux_mod_v_arrayElimCell_5_131_212_278_62 32) (* 32 aux_div_aux_mod_aux_mod_aux_mod_aux_mod_v_arrayElimCell_5_131_212_278_62_73) (* 32 aux_div_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_v_arrayElimCell_5_131_212_278_62_73_84)) 65536) 16) (* 64 (* .cse0 aux_div_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_v_arrayElimCell_5_131_212_278_62_73_84)) (* 8589934592 (* aux_div_aux_mod_aux_mod_v_arrayElimCell_5_131_212_278 .cse0)) (* 64 (* .cse0 aux_div_aux_mod_aux_mod_aux_mod_aux_mod_v_arrayElimCell_5_131_212_278_62_73)) (* (* aux_div_aux_mod_aux_mod_aux_mod_v_arrayElimCell_5_131_212_278_62 .cse0) 64)))) [2022-11-03 02:49:54,544 WARN L161 IndexEqualityManager]: solver failed to check if following equality is implied: (let ((.cse0 (select v_arrayElimArr_3 (+ 1752 |atl1e_open_atl1e_setup_ring_resources_~adapter#1.offset|)))) (= (+ (* (mod (+ (* aux_div_aux_mod_aux_mod_aux_mod_v_arrayElimCell_5_131_212_278_62 32) (* 32 aux_div_aux_mod_aux_mod_aux_mod_aux_mod_v_arrayElimCell_5_131_212_278_62_73) (* 32 aux_div_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_v_arrayElimCell_5_131_212_278_62_73_84)) 65536) 16) (* 64 (* .cse0 aux_div_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_v_arrayElimCell_5_131_212_278_62_73_84)) (* 8589934592 (* aux_div_aux_mod_aux_mod_v_arrayElimCell_5_131_212_278 .cse0)) 45 (* 64 (* .cse0 aux_div_aux_mod_aux_mod_aux_mod_aux_mod_v_arrayElimCell_5_131_212_278_62_73)) (* 8 .cse0) (* (* aux_div_aux_mod_aux_mod_aux_mod_v_arrayElimCell_5_131_212_278_62 .cse0) 64)) (+ (* 131072 (* aux_div_aux_mod_aux_mod_aux_mod_aux_mod_v_arrayElimCell_2_29_40_51_62_73 .cse0)) (select v_arrayElimArr_3 (+ |atl1e_open_atl1e_init_ring_resources_~rx_ring~1#1.offset| 24)) (* (* aux_div_aux_mod_aux_mod_v_arrayElimCell_2_29_40_51 .cse0) 131072) (* (* aux_div_aux_mod_aux_mod_aux_mod_v_arrayElimCell_2_29_40_51_62 .cse0) 131072)))) [2022-11-03 02:49:56,846 WARN L177 IndexEqualityManager]: solver failed to check if following not equals relation is implied: (let ((.cse0 (select v_arrayElimArr_3 (+ 1752 |atl1e_open_atl1e_setup_ring_resources_~adapter#1.offset|)))) (= (+ (* (mod (+ (* aux_div_aux_mod_aux_mod_aux_mod_v_arrayElimCell_5_131_212_278_62 32) (* 32 aux_div_aux_mod_aux_mod_aux_mod_aux_mod_v_arrayElimCell_5_131_212_278_62_73) (* 32 aux_div_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_v_arrayElimCell_5_131_212_278_62_73_84)) 65536) 16) (* 64 (* .cse0 aux_div_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_v_arrayElimCell_5_131_212_278_62_73_84)) (* 8589934592 (* aux_div_aux_mod_aux_mod_v_arrayElimCell_5_131_212_278 .cse0)) 45 (* 64 (* .cse0 aux_div_aux_mod_aux_mod_aux_mod_aux_mod_v_arrayElimCell_5_131_212_278_62_73)) (* 8 .cse0) (* (* aux_div_aux_mod_aux_mod_aux_mod_v_arrayElimCell_5_131_212_278_62 .cse0) 64)) (+ (* 131072 (* aux_div_aux_mod_aux_mod_aux_mod_aux_mod_v_arrayElimCell_2_29_40_51_62_73 .cse0)) (select v_arrayElimArr_3 (+ |atl1e_open_atl1e_init_ring_resources_~rx_ring~1#1.offset| 24)) (* (* aux_div_aux_mod_aux_mod_v_arrayElimCell_2_29_40_51 .cse0) 131072) (* (* aux_div_aux_mod_aux_mod_aux_mod_v_arrayElimCell_2_29_40_51_62 .cse0) 131072)))) [2022-11-03 02:49:58,975 WARN L161 IndexEqualityManager]: solver failed to check if following equality is implied: (let ((.cse1 (* aux_div_aux_mod_aux_mod_aux_mod_v_arrayElimCell_5_131_212_278_62 32)) (.cse0 (select v_arrayElimArr_3 (+ 1752 |atl1e_open_atl1e_setup_ring_resources_~adapter#1.offset|)))) (= (+ (* 131072 (* aux_div_aux_mod_aux_mod_aux_mod_aux_mod_v_arrayElimCell_2_29_40_51_62_73 .cse0)) (* 2 (* v_arrayElimCell_6 .cse0)) (* (* aux_div_aux_mod_aux_mod_v_arrayElimCell_2_29_40_51 .cse0) 131072) (* (* aux_div_aux_mod_aux_mod_aux_mod_v_arrayElimCell_2_29_40_51_62 .cse0) 131072) (* (mod .cse1 65536) 16)) (+ (* (mod (+ .cse1 (* 32 aux_div_aux_mod_aux_mod_aux_mod_aux_mod_v_arrayElimCell_5_131_212_278_62_73) (* 32 aux_div_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_v_arrayElimCell_5_131_212_278_62_73_84)) 65536) 16) (* 64 (* .cse0 aux_div_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_v_arrayElimCell_5_131_212_278_62_73_84)) (* 8589934592 (* aux_div_aux_mod_aux_mod_v_arrayElimCell_5_131_212_278 .cse0)) (* 64 (* .cse0 aux_div_aux_mod_aux_mod_aux_mod_aux_mod_v_arrayElimCell_5_131_212_278_62_73)) (* (* aux_div_aux_mod_aux_mod_aux_mod_v_arrayElimCell_5_131_212_278_62 .cse0) 64)))) [2022-11-03 02:50:01,137 WARN L177 IndexEqualityManager]: solver failed to check if following not equals relation is implied: (let ((.cse1 (* aux_div_aux_mod_aux_mod_aux_mod_v_arrayElimCell_5_131_212_278_62 32)) (.cse0 (select v_arrayElimArr_3 (+ 1752 |atl1e_open_atl1e_setup_ring_resources_~adapter#1.offset|)))) (= (+ (* 131072 (* aux_div_aux_mod_aux_mod_aux_mod_aux_mod_v_arrayElimCell_2_29_40_51_62_73 .cse0)) (* 2 (* v_arrayElimCell_6 .cse0)) (* (* aux_div_aux_mod_aux_mod_v_arrayElimCell_2_29_40_51 .cse0) 131072) (* (* aux_div_aux_mod_aux_mod_aux_mod_v_arrayElimCell_2_29_40_51_62 .cse0) 131072) (* (mod .cse1 65536) 16)) (+ (* (mod (+ .cse1 (* 32 aux_div_aux_mod_aux_mod_aux_mod_aux_mod_v_arrayElimCell_5_131_212_278_62_73) (* 32 aux_div_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_v_arrayElimCell_5_131_212_278_62_73_84)) 65536) 16) (* 64 (* .cse0 aux_div_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_v_arrayElimCell_5_131_212_278_62_73_84)) (* 8589934592 (* aux_div_aux_mod_aux_mod_v_arrayElimCell_5_131_212_278 .cse0)) (* 64 (* .cse0 aux_div_aux_mod_aux_mod_aux_mod_aux_mod_v_arrayElimCell_5_131_212_278_62_73)) (* (* aux_div_aux_mod_aux_mod_aux_mod_v_arrayElimCell_5_131_212_278_62 .cse0) 64)))) [2022-11-03 02:50:04,334 WARN L177 IndexEqualityManager]: solver failed to check if following not equals relation is implied: (= (select v_arrayElimArr_3 (+ |atl1e_open_atl1e_init_ring_resources_~rx_ring~1#1.offset| 24)) (let ((.cse0 (select v_arrayElimArr_3 (+ 1752 |atl1e_open_atl1e_setup_ring_resources_~adapter#1.offset|)))) (+ (* 2 (* v_arrayElimCell_6 .cse0)) 45 (* 8 .cse0) (* (mod (* aux_div_aux_mod_aux_mod_aux_mod_v_arrayElimCell_5_131_212_278_62 32) 65536) 16)))) [2022-11-03 02:50:04,463 INFO L244 Elim1Store]: Index analysis took 30707 ms [2022-11-03 02:50:06,695 WARN L161 IndexEqualityManager]: solver failed to check if following equality is implied: (let ((.cse1 (+ 1752 |atl1e_open_atl1e_setup_ring_resources_~adapter#1.offset|))) (let ((.cse0 (select v_arrayElimArr_3 .cse1))) (= (+ (* (mod (+ (* aux_div_aux_mod_aux_mod_aux_mod_v_arrayElimCell_5_131_212_278_62 32) (* 32 aux_div_aux_mod_aux_mod_aux_mod_aux_mod_v_arrayElimCell_5_131_212_278_62_73) (* 32 aux_div_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_v_arrayElimCell_5_131_212_278_62_73_84)) 65536) 16) (* 64 (* .cse0 aux_div_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_v_arrayElimCell_5_131_212_278_62_73_84)) (* 8589934592 (* aux_div_aux_mod_aux_mod_v_arrayElimCell_5_131_212_278 .cse0)) 45 (* 64 (* .cse0 aux_div_aux_mod_aux_mod_aux_mod_aux_mod_v_arrayElimCell_5_131_212_278_62_73)) (* 8 .cse0) (* (* aux_div_aux_mod_aux_mod_aux_mod_v_arrayElimCell_5_131_212_278_62 .cse0) 64)) (+ (* 131072 (* aux_div_aux_mod_aux_mod_aux_mod_aux_mod_v_arrayElimCell_2_29_40_51_62_73 .cse0)) (select v_arrayElimArr_1 .cse1) (* (* aux_div_aux_mod_aux_mod_v_arrayElimCell_2_29_40_51 .cse0) 131072) (* (* aux_div_aux_mod_aux_mod_aux_mod_v_arrayElimCell_2_29_40_51_62 .cse0) 131072))))) [2022-11-03 02:50:09,624 WARN L177 IndexEqualityManager]: solver failed to check if following not equals relation is implied: (let ((.cse1 (+ 1752 |atl1e_open_atl1e_setup_ring_resources_~adapter#1.offset|))) (let ((.cse0 (select v_arrayElimArr_3 .cse1))) (= (+ (* (mod (+ (* aux_div_aux_mod_aux_mod_aux_mod_v_arrayElimCell_5_131_212_278_62 32) (* 32 aux_div_aux_mod_aux_mod_aux_mod_aux_mod_v_arrayElimCell_5_131_212_278_62_73) (* 32 aux_div_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_v_arrayElimCell_5_131_212_278_62_73_84)) 65536) 16) (* 64 (* .cse0 aux_div_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_v_arrayElimCell_5_131_212_278_62_73_84)) (* 8589934592 (* aux_div_aux_mod_aux_mod_v_arrayElimCell_5_131_212_278 .cse0)) 45 (* 64 (* .cse0 aux_div_aux_mod_aux_mod_aux_mod_aux_mod_v_arrayElimCell_5_131_212_278_62_73)) (* 8 .cse0) (* (* aux_div_aux_mod_aux_mod_aux_mod_v_arrayElimCell_5_131_212_278_62 .cse0) 64)) (+ (* 131072 (* aux_div_aux_mod_aux_mod_aux_mod_aux_mod_v_arrayElimCell_2_29_40_51_62_73 .cse0)) (select v_arrayElimArr_1 .cse1) (* (* aux_div_aux_mod_aux_mod_v_arrayElimCell_2_29_40_51 .cse0) 131072) (* (* aux_div_aux_mod_aux_mod_aux_mod_v_arrayElimCell_2_29_40_51_62 .cse0) 131072))))) [2022-11-03 02:50:11,759 WARN L161 IndexEqualityManager]: solver failed to check if following equality is implied: (= (select v_arrayElimArr_1 (+ 1752 |atl1e_open_atl1e_setup_ring_resources_~adapter#1.offset|)) (select v_arrayElimArr_3 (+ 1296 |atl1e_open_atl1e_setup_ring_resources_~adapter#1.offset|))) [2022-11-03 02:50:13,893 WARN L177 IndexEqualityManager]: solver failed to check if following not equals relation is implied: (= (select v_arrayElimArr_1 (+ 1752 |atl1e_open_atl1e_setup_ring_resources_~adapter#1.offset|)) (select v_arrayElimArr_3 (+ 1296 |atl1e_open_atl1e_setup_ring_resources_~adapter#1.offset|))) [2022-11-03 02:50:16,062 WARN L161 IndexEqualityManager]: solver failed to check if following equality is implied: (= (select v_arrayElimArr_1 (+ 1752 |atl1e_open_atl1e_setup_ring_resources_~adapter#1.offset|)) (select v_arrayElimArr_1 (+ |atl1e_open_atl1e_setup_ring_resources_~adapter#1.offset| 1424))) [2022-11-03 02:50:18,307 WARN L177 IndexEqualityManager]: solver failed to check if following not equals relation is implied: (= (select v_arrayElimArr_3 (+ |atl1e_open_atl1e_init_ring_resources_~rx_ring~1#1.offset| 24)) (select v_arrayElimArr_3 (+ 1752 |atl1e_open_atl1e_setup_ring_resources_~adapter#1.offset|))) [2022-11-03 02:50:20,673 WARN L177 IndexEqualityManager]: solver failed to check if following not equals relation is implied: (let ((.cse1 (+ 1752 |atl1e_open_atl1e_setup_ring_resources_~adapter#1.offset|))) (= (let ((.cse0 (select v_arrayElimArr_3 .cse1))) (+ (* aux_div_aux_mod_v_arrayElimCell_4_29_40 1048576) (* 2 (* v_arrayElimCell_6 .cse0)) 45 (* 8 .cse0) (* aux_mod_aux_mod_v_arrayElimCell_4_29_40 16))) (select v_arrayElimArr_4 .cse1))) [2022-11-03 02:50:37,452 WARN L234 SmtUtils]: Spent 16.65s on a formula simplification. DAG size of input: 66 DAG size of output: 25 (called from [L 353] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2022-11-03 02:50:37,453 INFO L356 Elim1Store]: treesize reduction 207, result has 13.0 percent of original size [2022-11-03 02:50:37,453 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 3 stores, 5 select indices, 5 select index equivalence classes, 7 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 9 case distinctions, treesize of input 438 treesize of output 670 [2022-11-03 02:51:24,689 WARN L234 SmtUtils]: Spent 5.18s on a formula simplification that was a NOOP. DAG size: 5 (called from [L 800] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2022-11-03 02:52:11,643 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:52:11,657 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:52:11,667 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:52:11,679 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:52:11,696 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:52:11,741 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 02:52:13,879 WARN L161 IndexEqualityManager]: solver failed to check if following equality is implied: (let ((.cse0 (select v_arrayElimArr_3 (+ 1752 |atl1e_open_atl1e_setup_ring_resources_~adapter#1.offset|)))) (= (+ (* (mod (+ (* aux_div_aux_mod_aux_mod_aux_mod_v_arrayElimCell_5_131_212_278_62 32) (* 32 aux_div_aux_mod_aux_mod_aux_mod_aux_mod_v_arrayElimCell_5_131_212_278_62_73) (* 32 aux_div_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_v_arrayElimCell_5_131_212_278_62_73_84)) 65536) 16) (* 64 (* .cse0 aux_div_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_v_arrayElimCell_5_131_212_278_62_73_84)) (* 8589934592 (* aux_div_aux_mod_aux_mod_v_arrayElimCell_5_131_212_278 .cse0)) 45 (* 64 (* .cse0 aux_div_aux_mod_aux_mod_aux_mod_aux_mod_v_arrayElimCell_5_131_212_278_62_73)) (* 8 .cse0) (* (* aux_div_aux_mod_aux_mod_aux_mod_v_arrayElimCell_5_131_212_278_62 .cse0) 64)) (+ (* 131072 (* aux_div_aux_mod_aux_mod_aux_mod_aux_mod_v_arrayElimCell_2_29_40_51_62_73 .cse0)) (* (* aux_div_aux_mod_aux_mod_v_arrayElimCell_2_29_40_51 .cse0) 131072) (select v_arrayElimArr_1 (+ |atl1e_open_atl1e_init_ring_resources_~rx_ring~1#1.offset| 24)) (* (* aux_div_aux_mod_aux_mod_aux_mod_v_arrayElimCell_2_29_40_51_62 .cse0) 131072)))) [2022-11-03 02:52:13,890 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:52:14,138 INFO L244 Elim1Store]: Index analysis took 2508 ms [2022-11-03 02:52:16,254 WARN L177 IndexEqualityManager]: solver failed to check if following not equals relation is implied: (let ((.cse1 (+ 1752 |atl1e_open_atl1e_setup_ring_resources_~adapter#1.offset|))) (let ((.cse0 (select v_arrayElimArr_3 .cse1))) (= (+ (* (mod (+ (* aux_div_aux_mod_aux_mod_aux_mod_v_arrayElimCell_5_131_212_278_62 32) (* 32 aux_div_aux_mod_aux_mod_aux_mod_aux_mod_v_arrayElimCell_5_131_212_278_62_73) (* 32 aux_div_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_v_arrayElimCell_5_131_212_278_62_73_84)) 65536) 16) (* 64 (* .cse0 aux_div_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_v_arrayElimCell_5_131_212_278_62_73_84)) (* 8589934592 (* aux_div_aux_mod_aux_mod_v_arrayElimCell_5_131_212_278 .cse0)) 45 (* 64 (* .cse0 aux_div_aux_mod_aux_mod_aux_mod_aux_mod_v_arrayElimCell_5_131_212_278_62_73)) (* 8 .cse0) (* (* aux_div_aux_mod_aux_mod_aux_mod_v_arrayElimCell_5_131_212_278_62 .cse0) 64)) (+ (* 131072 (* aux_div_aux_mod_aux_mod_aux_mod_aux_mod_v_arrayElimCell_2_29_40_51_62_73 .cse0)) (select v_arrayElimArr_1 .cse1) (* (* aux_div_aux_mod_aux_mod_v_arrayElimCell_2_29_40_51 .cse0) 131072) (* (* aux_div_aux_mod_aux_mod_aux_mod_v_arrayElimCell_2_29_40_51_62 .cse0) 131072))))) [2022-11-03 02:52:18,509 WARN L177 IndexEqualityManager]: solver failed to check if following not equals relation is implied: (= (let ((.cse0 (select v_arrayElimArr_3 (+ 1752 |atl1e_open_atl1e_setup_ring_resources_~adapter#1.offset|)))) (+ (* 2 (* v_arrayElimCell_6 .cse0)) 45 (* 7 .cse0) (* (mod (* aux_div_aux_mod_aux_mod_aux_mod_v_arrayElimCell_5_131_212_278_62 32) 65536) 16))) 0) [2022-11-03 02:52:18,578 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 2 stores, 5 select indices, 5 select index equivalence classes, 12 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 246 treesize of output 230 [2022-11-03 02:52:39,368 WARN L234 SmtUtils]: Spent 5.45s on a formula simplification that was a NOOP. DAG size: 5 (called from [L 800] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2022-11-03 02:54:42,154 WARN L234 SmtUtils]: Spent 5.32s on a formula simplification that was a NOOP. DAG size: 66 (called from [L 800] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2022-11-03 02:55:01,410 WARN L234 SmtUtils]: Spent 6.29s on a formula simplification that was a NOOP. DAG size: 28 (called from [L 800] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2022-11-03 02:55:27,442 WARN L234 SmtUtils]: Spent 5.49s on a formula simplification that was a NOOP. DAG size: 53 (called from [L 800] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2022-11-03 02:55:33,407 WARN L234 SmtUtils]: Spent 5.96s on a formula simplification that was a NOOP. DAG size: 41 (called from [L 800] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2022-11-03 02:56:37,966 WARN L234 SmtUtils]: Spent 5.03s on a formula simplification that was a NOOP. DAG size: 43 (called from [L 800] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2022-11-03 02:57:05,752 WARN L234 SmtUtils]: Spent 6.20s on a formula simplification that was a NOOP. DAG size: 62 (called from [L 800] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2022-11-03 02:57:17,667 WARN L234 SmtUtils]: Spent 5.36s on a formula simplification that was a NOOP. DAG size: 51 (called from [L 800] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2022-11-03 02:57:27,408 WARN L234 SmtUtils]: Spent 5.21s on a formula simplification that was a NOOP. DAG size: 37 (called from [L 800] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2022-11-03 02:57:36,794 WARN L234 SmtUtils]: Spent 5.06s on a formula simplification that was a NOOP. DAG size: 53 (called from [L 800] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2022-11-03 02:58:05,414 WARN L234 SmtUtils]: Spent 5.09s on a formula simplification that was a NOOP. DAG size: 5 (called from [L 800] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2022-11-03 02:59:04,858 WARN L234 SmtUtils]: Spent 5.36s on a formula simplification that was a NOOP. DAG size: 37 (called from [L 800] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify)