./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-amd-pcnet32.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_6fd55e89-7de7-4958-ae73-680460333bc2/bin/utaipan-7li7fVZpFI/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6fd55e89-7de7-4958-ae73-680460333bc2/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_6fd55e89-7de7-4958-ae73-680460333bc2/bin/utaipan-7li7fVZpFI/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6fd55e89-7de7-4958-ae73-680460333bc2/bin/utaipan-7li7fVZpFI/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-amd-pcnet32.cil.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6fd55e89-7de7-4958-ae73-680460333bc2/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_6fd55e89-7de7-4958-ae73-680460333bc2/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 abfdd6ea704cd13da9f6c4fa68989a6001819ce06b341c8a00315bc983ef4819 --- 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 01:59:07,089 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-03 01:59:07,091 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-03 01:59:07,122 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-03 01:59:07,122 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-03 01:59:07,123 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-03 01:59:07,125 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-03 01:59:07,127 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-03 01:59:07,133 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-03 01:59:07,134 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-03 01:59:07,135 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-03 01:59:07,136 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-03 01:59:07,136 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-03 01:59:07,138 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-03 01:59:07,139 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-03 01:59:07,140 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-03 01:59:07,141 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-03 01:59:07,142 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-03 01:59:07,144 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-03 01:59:07,146 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-03 01:59:07,148 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-03 01:59:07,149 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-03 01:59:07,150 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-03 01:59:07,151 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-03 01:59:07,156 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-03 01:59:07,156 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-03 01:59:07,157 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-03 01:59:07,158 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-03 01:59:07,158 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-03 01:59:07,160 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-03 01:59:07,160 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-03 01:59:07,161 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-03 01:59:07,162 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-03 01:59:07,163 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-03 01:59:07,165 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-03 01:59:07,165 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-03 01:59:07,166 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-03 01:59:07,167 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-03 01:59:07,167 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-03 01:59:07,168 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-03 01:59:07,169 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-03 01:59:07,170 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6fd55e89-7de7-4958-ae73-680460333bc2/bin/utaipan-7li7fVZpFI/config/svcomp-Reach-64bit-Taipan_Default.epf [2022-11-03 01:59:07,197 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-03 01:59:07,197 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-03 01:59:07,198 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-03 01:59:07,198 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-03 01:59:07,199 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-03 01:59:07,199 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-03 01:59:07,200 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-03 01:59:07,200 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-03 01:59:07,200 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-03 01:59:07,201 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-03 01:59:07,201 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-03 01:59:07,201 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-03 01:59:07,202 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-03 01:59:07,202 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-03 01:59:07,202 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-03 01:59:07,203 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-03 01:59:07,203 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-03 01:59:07,203 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-03 01:59:07,204 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-03 01:59:07,205 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-03 01:59:07,205 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-03 01:59:07,205 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-03 01:59:07,205 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-03 01:59:07,206 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-03 01:59:07,206 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-03 01:59:07,206 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-03 01:59:07,207 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-03 01:59:07,207 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-03 01:59:07,207 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-03 01:59:07,208 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-03 01:59:07,208 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-03 01:59:07,208 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-03 01:59:07,208 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-03 01:59:07,209 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-03 01:59:07,209 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-03 01:59:07,209 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-03 01:59:07,209 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-03 01:59:07,210 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-03 01:59:07,210 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_6fd55e89-7de7-4958-ae73-680460333bc2/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6fd55e89-7de7-4958-ae73-680460333bc2/bin/utaipan-7li7fVZpFI Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> abfdd6ea704cd13da9f6c4fa68989a6001819ce06b341c8a00315bc983ef4819 [2022-11-03 01:59:07,610 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-03 01:59:07,659 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-03 01:59:07,662 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-03 01:59:07,663 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-03 01:59:07,664 INFO L275 PluginConnector]: CDTParser initialized [2022-11-03 01:59:07,666 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6fd55e89-7de7-4958-ae73-680460333bc2/bin/utaipan-7li7fVZpFI/../../sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-amd-pcnet32.cil.i [2022-11-03 01:59:07,735 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6fd55e89-7de7-4958-ae73-680460333bc2/bin/utaipan-7li7fVZpFI/data/8d018bbff/077d6a9eedb84874a9b6ebcb05cfc0a5/FLAG3ed522081 [2022-11-03 01:59:08,821 INFO L306 CDTParser]: Found 1 translation units. [2022-11-03 01:59:08,822 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6fd55e89-7de7-4958-ae73-680460333bc2/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-amd-pcnet32.cil.i [2022-11-03 01:59:08,883 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6fd55e89-7de7-4958-ae73-680460333bc2/bin/utaipan-7li7fVZpFI/data/8d018bbff/077d6a9eedb84874a9b6ebcb05cfc0a5/FLAG3ed522081 [2022-11-03 01:59:09,136 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6fd55e89-7de7-4958-ae73-680460333bc2/bin/utaipan-7li7fVZpFI/data/8d018bbff/077d6a9eedb84874a9b6ebcb05cfc0a5 [2022-11-03 01:59:09,139 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-03 01:59:09,141 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-03 01:59:09,145 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-03 01:59:09,145 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-03 01:59:09,149 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-03 01:59:09,150 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 01:59:09" (1/1) ... [2022-11-03 01:59:09,152 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@477c1639 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:59:09, skipping insertion in model container [2022-11-03 01:59:09,152 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 01:59:09" (1/1) ... [2022-11-03 01:59:09,160 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-03 01:59:09,398 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-03 01:59:13,559 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_6fd55e89-7de7-4958-ae73-680460333bc2/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-amd-pcnet32.cil.i[422956,422969] [2022-11-03 01:59:13,562 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_6fd55e89-7de7-4958-ae73-680460333bc2/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-amd-pcnet32.cil.i[423101,423114] [2022-11-03 01:59:13,596 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-03 01:59:13,698 INFO L203 MainTranslator]: Completed pre-run [2022-11-03 01:59:14,299 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_6fd55e89-7de7-4958-ae73-680460333bc2/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-amd-pcnet32.cil.i[422956,422969] [2022-11-03 01:59:14,300 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_6fd55e89-7de7-4958-ae73-680460333bc2/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-amd-pcnet32.cil.i[423101,423114] [2022-11-03 01:59:14,308 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-03 01:59:14,636 INFO L208 MainTranslator]: Completed translation [2022-11-03 01:59:14,637 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:59:14 WrapperNode [2022-11-03 01:59:14,637 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-03 01:59:14,639 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-03 01:59:14,639 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-03 01:59:14,639 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-03 01:59:14,648 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:59:14" (1/1) ... [2022-11-03 01:59:14,798 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:59:14" (1/1) ... [2022-11-03 01:59:15,130 INFO L138 Inliner]: procedures = 556, calls = 2944, calls flagged for inlining = 291, calls inlined = 260, statements flattened = 7429 [2022-11-03 01:59:15,130 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-03 01:59:15,131 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-03 01:59:15,131 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-03 01:59:15,131 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-03 01:59:15,142 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:59:14" (1/1) ... [2022-11-03 01:59:15,143 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:59:14" (1/1) ... [2022-11-03 01:59:15,190 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:59:14" (1/1) ... [2022-11-03 01:59:15,191 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:59:14" (1/1) ... [2022-11-03 01:59:15,373 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:59:14" (1/1) ... [2022-11-03 01:59:15,402 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:59:14" (1/1) ... [2022-11-03 01:59:15,445 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:59:14" (1/1) ... [2022-11-03 01:59:15,463 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:59:14" (1/1) ... [2022-11-03 01:59:15,518 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-03 01:59:15,519 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-03 01:59:15,519 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-03 01:59:15,519 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-03 01:59:15,520 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:59:14" (1/1) ... [2022-11-03 01:59:15,529 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-03 01:59:15,543 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6fd55e89-7de7-4958-ae73-680460333bc2/bin/utaipan-7li7fVZpFI/z3 [2022-11-03 01:59:15,563 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6fd55e89-7de7-4958-ae73-680460333bc2/bin/utaipan-7li7fVZpFI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-03 01:59:15,589 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6fd55e89-7de7-4958-ae73-680460333bc2/bin/utaipan-7li7fVZpFI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-03 01:59:15,623 INFO L130 BoogieDeclarations]: Found specification of procedure mdio_write [2022-11-03 01:59:15,623 INFO L138 BoogieDeclarations]: Found implementation of procedure mdio_write [2022-11-03 01:59:15,623 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2022-11-03 01:59:15,624 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2022-11-03 01:59:15,624 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_alloc_skb [2022-11-03 01:59:15,624 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_alloc_skb [2022-11-03 01:59:15,624 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2022-11-03 01:59:15,625 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2022-11-03 01:59:15,625 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_86 [2022-11-03 01:59:15,625 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_86 [2022-11-03 01:59:15,625 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-11-03 01:59:15,625 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-11-03 01:59:15,625 INFO L130 BoogieDeclarations]: Found specification of procedure free_irq [2022-11-03 01:59:15,626 INFO L138 BoogieDeclarations]: Found implementation of procedure free_irq [2022-11-03 01:59:15,626 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2022-11-03 01:59:15,626 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2022-11-03 01:59:15,626 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2022-11-03 01:59:15,626 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2022-11-03 01:59:15,627 INFO L130 BoogieDeclarations]: Found specification of procedure pcnet32_interrupt [2022-11-03 01:59:15,627 INFO L138 BoogieDeclarations]: Found implementation of procedure pcnet32_interrupt [2022-11-03 01:59:15,627 INFO L130 BoogieDeclarations]: Found specification of procedure pci_name [2022-11-03 01:59:15,627 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_name [2022-11-03 01:59:15,627 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2022-11-03 01:59:15,628 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2022-11-03 01:59:15,628 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2022-11-03 01:59:15,628 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2022-11-03 01:59:15,628 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2022-11-03 01:59:15,628 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2022-11-03 01:59:15,629 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2022-11-03 01:59:15,629 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2022-11-03 01:59:15,629 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2022-11-03 01:59:15,630 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2022-11-03 01:59:15,630 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unmap_single [2022-11-03 01:59:15,630 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unmap_single [2022-11-03 01:59:15,630 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-03 01:59:15,630 INFO L130 BoogieDeclarations]: Found specification of procedure pcnet32_dwio_write_bcr [2022-11-03 01:59:15,631 INFO L138 BoogieDeclarations]: Found implementation of procedure pcnet32_dwio_write_bcr [2022-11-03 01:59:15,631 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2022-11-03 01:59:15,631 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2022-11-03 01:59:15,631 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2022-11-03 01:59:15,631 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2022-11-03 01:59:15,632 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2022-11-03 01:59:15,632 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_EMGentry_exit_pcnet32_cleanup_module_16_2 [2022-11-03 01:59:15,633 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_EMGentry_exit_pcnet32_cleanup_module_16_2 [2022-11-03 01:59:15,633 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2022-11-03 01:59:15,634 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2022-11-03 01:59:15,634 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_unregister_netdev [2022-11-03 01:59:15,635 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_unregister_netdev [2022-11-03 01:59:15,635 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-11-03 01:59:15,636 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2022-11-03 01:59:15,637 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2022-11-03 01:59:15,637 INFO L130 BoogieDeclarations]: Found specification of procedure pcnet32_purge_tx_ring [2022-11-03 01:59:15,637 INFO L138 BoogieDeclarations]: Found implementation of procedure pcnet32_purge_tx_ring [2022-11-03 01:59:15,637 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-03 01:59:15,638 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2022-11-03 01:59:15,638 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2022-11-03 01:59:15,638 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_after_alloc [2022-11-03 01:59:15,639 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_after_alloc [2022-11-03 01:59:15,639 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-11-03 01:59:15,640 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-11-03 01:59:15,640 INFO L130 BoogieDeclarations]: Found specification of procedure pcnet32_wio_write_bcr [2022-11-03 01:59:15,703 INFO L138 BoogieDeclarations]: Found implementation of procedure pcnet32_wio_write_bcr [2022-11-03 01:59:15,703 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_interrupt_context [2022-11-03 01:59:15,703 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_interrupt_context [2022-11-03 01:59:15,703 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2022-11-03 01:59:15,703 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2022-11-03 01:59:15,703 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2022-11-03 01:59:15,704 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2022-11-03 01:59:15,704 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2022-11-03 01:59:15,704 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2022-11-03 01:59:15,704 INFO L130 BoogieDeclarations]: Found specification of procedure pci_free_consistent [2022-11-03 01:59:15,704 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_free_consistent [2022-11-03 01:59:15,704 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2022-11-03 01:59:15,704 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2022-11-03 01:59:15,704 INFO L130 BoogieDeclarations]: Found specification of procedure pcnet32_netif_start [2022-11-03 01:59:15,704 INFO L138 BoogieDeclarations]: Found implementation of procedure pcnet32_netif_start [2022-11-03 01:59:15,704 INFO L130 BoogieDeclarations]: Found specification of procedure napi_enable [2022-11-03 01:59:15,705 INFO L138 BoogieDeclarations]: Found implementation of procedure napi_enable [2022-11-03 01:59:15,705 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~~u16~0 [2022-11-03 01:59:15,705 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~~u16~0 [2022-11-03 01:59:15,705 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-03 01:59:15,705 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_1 [2022-11-03 01:59:15,705 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_1 [2022-11-03 01:59:15,705 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_0 [2022-11-03 01:59:15,705 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_0 [2022-11-03 01:59:15,705 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_calloc [2022-11-03 01:59:15,706 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_calloc [2022-11-03 01:59:15,706 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_3 [2022-11-03 01:59:15,706 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_3 [2022-11-03 01:59:15,706 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_2 [2022-11-03 01:59:15,706 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_2 [2022-11-03 01:59:15,706 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mod_timer [2022-11-03 01:59:15,706 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mod_timer [2022-11-03 01:59:15,706 INFO L130 BoogieDeclarations]: Found specification of procedure pcnet32_open [2022-11-03 01:59:15,706 INFO L138 BoogieDeclarations]: Found implementation of procedure pcnet32_open [2022-11-03 01:59:15,706 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-03 01:59:15,707 INFO L130 BoogieDeclarations]: Found specification of procedure is_valid_ether_addr [2022-11-03 01:59:15,707 INFO L138 BoogieDeclarations]: Found implementation of procedure is_valid_ether_addr [2022-11-03 01:59:15,707 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2022-11-03 01:59:15,707 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2022-11-03 01:59:15,707 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2022-11-03 01:59:15,707 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2022-11-03 01:59:15,707 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-03 01:59:15,707 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2022-11-03 01:59:15,707 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2022-11-03 01:59:15,708 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2022-11-03 01:59:15,708 INFO L130 BoogieDeclarations]: Found specification of procedure pcnet32_wio_reset [2022-11-03 01:59:15,708 INFO L138 BoogieDeclarations]: Found implementation of procedure pcnet32_wio_reset [2022-11-03 01:59:15,708 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_exclusive_spin_is_locked [2022-11-03 01:59:15,708 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_exclusive_spin_is_locked [2022-11-03 01:59:15,708 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert [2022-11-03 01:59:15,708 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert [2022-11-03 01:59:15,708 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_lock_of_pcnet32_private [2022-11-03 01:59:15,708 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_lock_of_pcnet32_private [2022-11-03 01:59:15,709 INFO L130 BoogieDeclarations]: Found specification of procedure mod_timer [2022-11-03 01:59:15,709 INFO L138 BoogieDeclarations]: Found implementation of procedure mod_timer [2022-11-03 01:59:15,709 INFO L130 BoogieDeclarations]: Found specification of procedure pcnet32_restart [2022-11-03 01:59:15,709 INFO L138 BoogieDeclarations]: Found implementation of procedure pcnet32_restart [2022-11-03 01:59:15,709 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_spin_lock [2022-11-03 01:59:15,709 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_spin_lock [2022-11-03 01:59:15,709 INFO L130 BoogieDeclarations]: Found specification of procedure napi_disable [2022-11-03 01:59:15,709 INFO L138 BoogieDeclarations]: Found implementation of procedure napi_disable [2022-11-03 01:59:15,709 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2022-11-03 01:59:15,710 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2022-11-03 01:59:15,710 INFO L130 BoogieDeclarations]: Found specification of procedure skb_put [2022-11-03 01:59:15,710 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_put [2022-11-03 01:59:15,710 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev [2022-11-03 01:59:15,710 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev [2022-11-03 01:59:15,710 INFO L130 BoogieDeclarations]: Found specification of procedure pcnet32_dwio_read_csr [2022-11-03 01:59:15,710 INFO L138 BoogieDeclarations]: Found implementation of procedure pcnet32_dwio_read_csr [2022-11-03 01:59:15,710 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~TO~VOID [2022-11-03 01:59:15,710 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~TO~VOID [2022-11-03 01:59:15,710 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2022-11-03 01:59:15,711 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2022-11-03 01:59:15,711 INFO L130 BoogieDeclarations]: Found specification of procedure pcnet32_dwio_reset [2022-11-03 01:59:15,711 INFO L138 BoogieDeclarations]: Found implementation of procedure pcnet32_dwio_reset [2022-11-03 01:59:15,711 INFO L130 BoogieDeclarations]: Found specification of procedure mdio_read [2022-11-03 01:59:15,711 INFO L138 BoogieDeclarations]: Found implementation of procedure mdio_read [2022-11-03 01:59:15,711 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-03 01:59:15,711 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-03 01:59:15,711 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2022-11-03 01:59:15,711 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2022-11-03 01:59:15,712 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-11-03 01:59:15,712 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-11-03 01:59:15,712 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-11-03 01:59:15,712 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-11-03 01:59:15,712 INFO L130 BoogieDeclarations]: Found specification of procedure pcnet32_pm_resume [2022-11-03 01:59:15,712 INFO L138 BoogieDeclarations]: Found implementation of procedure pcnet32_pm_resume [2022-11-03 01:59:15,712 INFO L130 BoogieDeclarations]: Found specification of procedure pcnet32_check_media [2022-11-03 01:59:15,712 INFO L138 BoogieDeclarations]: Found implementation of procedure pcnet32_check_media [2022-11-03 01:59:15,712 INFO L130 BoogieDeclarations]: Found specification of procedure pcnet32_get_regs_len [2022-11-03 01:59:15,713 INFO L138 BoogieDeclarations]: Found implementation of procedure pcnet32_get_regs_len [2022-11-03 01:59:15,713 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_size_call_parameter [2022-11-03 01:59:15,716 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_process_context [2022-11-03 01:59:15,716 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_process_context [2022-11-03 01:59:15,717 INFO L130 BoogieDeclarations]: Found specification of procedure pcnet32_poll_controller [2022-11-03 01:59:15,717 INFO L138 BoogieDeclarations]: Found implementation of procedure pcnet32_poll_controller [2022-11-03 01:59:15,717 INFO L130 BoogieDeclarations]: Found specification of procedure pcnet32_free_ring [2022-11-03 01:59:15,717 INFO L138 BoogieDeclarations]: Found implementation of procedure pcnet32_free_ring [2022-11-03 01:59:15,717 INFO L130 BoogieDeclarations]: Found specification of procedure pci_map_single [2022-11-03 01:59:15,718 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_map_single [2022-11-03 01:59:15,718 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-11-03 01:59:15,718 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-11-03 01:59:15,718 INFO L130 BoogieDeclarations]: Found specification of procedure kcalloc [2022-11-03 01:59:15,718 INFO L138 BoogieDeclarations]: Found implementation of procedure kcalloc [2022-11-03 01:59:15,718 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2022-11-03 01:59:15,719 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2022-11-03 01:59:15,719 INFO L130 BoogieDeclarations]: Found specification of procedure pci_alloc_consistent [2022-11-03 01:59:15,719 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_alloc_consistent [2022-11-03 01:59:15,719 INFO L130 BoogieDeclarations]: Found specification of procedure mii_ethtool_gset [2022-11-03 01:59:15,719 INFO L138 BoogieDeclarations]: Found implementation of procedure mii_ethtool_gset [2022-11-03 01:59:15,719 INFO L130 BoogieDeclarations]: Found specification of procedure pcnet32_purge_rx_ring [2022-11-03 01:59:15,720 INFO L138 BoogieDeclarations]: Found implementation of procedure pcnet32_purge_rx_ring [2022-11-03 01:59:15,720 INFO L130 BoogieDeclarations]: Found specification of procedure pcnet32_dwio_write_csr [2022-11-03 01:59:15,720 INFO L138 BoogieDeclarations]: Found implementation of procedure pcnet32_dwio_write_csr [2022-11-03 01:59:15,720 INFO L130 BoogieDeclarations]: Found specification of procedure pcnet32_tx_timeout [2022-11-03 01:59:15,720 INFO L138 BoogieDeclarations]: Found implementation of procedure pcnet32_tx_timeout [2022-11-03 01:59:15,721 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2022-11-03 01:59:15,722 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2022-11-03 01:59:15,722 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-03 01:59:15,722 INFO L130 BoogieDeclarations]: Found specification of procedure pcnet32_netif_stop [2022-11-03 01:59:15,722 INFO L138 BoogieDeclarations]: Found implementation of procedure pcnet32_netif_stop [2022-11-03 01:59:15,724 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2022-11-03 01:59:15,724 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2022-11-03 01:59:15,724 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-03 01:59:15,725 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_lock_of_pcnet32_private [2022-11-03 01:59:15,725 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_lock_of_pcnet32_private [2022-11-03 01:59:15,725 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-11-03 01:59:15,725 INFO L130 BoogieDeclarations]: Found specification of procedure pcnet32_wio_read_csr [2022-11-03 01:59:15,725 INFO L138 BoogieDeclarations]: Found implementation of procedure pcnet32_wio_read_csr [2022-11-03 01:59:15,725 INFO L130 BoogieDeclarations]: Found specification of procedure pcnet32_set_multicast_list [2022-11-03 01:59:15,726 INFO L138 BoogieDeclarations]: Found implementation of procedure pcnet32_set_multicast_list [2022-11-03 01:59:15,726 INFO L130 BoogieDeclarations]: Found specification of procedure outw [2022-11-03 01:59:15,726 INFO L138 BoogieDeclarations]: Found implementation of procedure outw [2022-11-03 01:59:15,726 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2022-11-03 01:59:15,726 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2022-11-03 01:59:15,726 INFO L130 BoogieDeclarations]: Found specification of procedure mii_link_ok [2022-11-03 01:59:15,727 INFO L138 BoogieDeclarations]: Found implementation of procedure mii_link_ok [2022-11-03 01:59:15,727 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2022-11-03 01:59:15,727 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2022-11-03 01:59:15,727 INFO L130 BoogieDeclarations]: Found specification of procedure pcnet32_probe1 [2022-11-03 01:59:15,727 INFO L138 BoogieDeclarations]: Found implementation of procedure pcnet32_probe1 [2022-11-03 01:59:15,727 INFO L130 BoogieDeclarations]: Found specification of procedure outl [2022-11-03 01:59:15,728 INFO L138 BoogieDeclarations]: Found implementation of procedure outl [2022-11-03 01:59:15,728 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_irq [2022-11-03 01:59:15,728 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_irq [2022-11-03 01:59:15,728 INFO L130 BoogieDeclarations]: Found specification of procedure pcnet32_remove_one [2022-11-03 01:59:15,729 INFO L138 BoogieDeclarations]: Found implementation of procedure pcnet32_remove_one [2022-11-03 01:59:15,729 INFO L130 BoogieDeclarations]: Found specification of procedure mii_ethtool_sset [2022-11-03 01:59:15,729 INFO L138 BoogieDeclarations]: Found implementation of procedure mii_ethtool_sset [2022-11-03 01:59:15,729 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~X~~u16~0~TO~VOID [2022-11-03 01:59:15,730 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~X~~u16~0~TO~VOID [2022-11-03 01:59:15,730 INFO L130 BoogieDeclarations]: Found specification of procedure pcnet32_dwio_read_bcr [2022-11-03 01:59:15,731 INFO L138 BoogieDeclarations]: Found implementation of procedure pcnet32_dwio_read_bcr [2022-11-03 01:59:15,731 INFO L130 BoogieDeclarations]: Found specification of procedure skb_reserve [2022-11-03 01:59:15,731 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_reserve [2022-11-03 01:59:15,732 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_start_queue [2022-11-03 01:59:15,732 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_start_queue [2022-11-03 01:59:15,733 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2022-11-03 01:59:15,733 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2022-11-03 01:59:15,733 INFO L130 BoogieDeclarations]: Found specification of procedure pcnet32_wio_read_bcr [2022-11-03 01:59:15,733 INFO L138 BoogieDeclarations]: Found implementation of procedure pcnet32_wio_read_bcr [2022-11-03 01:59:15,733 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2022-11-03 01:59:15,734 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2022-11-03 01:59:15,734 INFO L130 BoogieDeclarations]: Found specification of procedure pcnet32_init_ring [2022-11-03 01:59:15,734 INFO L138 BoogieDeclarations]: Found implementation of procedure pcnet32_init_ring [2022-11-03 01:59:15,734 INFO L130 BoogieDeclarations]: Found specification of procedure pcnet32_close [2022-11-03 01:59:15,734 INFO L138 BoogieDeclarations]: Found implementation of procedure pcnet32_close [2022-11-03 01:59:15,734 INFO L130 BoogieDeclarations]: Found specification of procedure __release_region [2022-11-03 01:59:15,735 INFO L138 BoogieDeclarations]: Found implementation of procedure __release_region [2022-11-03 01:59:15,735 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-11-03 01:59:15,735 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-11-03 01:59:15,736 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-03 01:59:15,736 INFO L130 BoogieDeclarations]: Found specification of procedure pcnet32_suspend [2022-11-03 01:59:15,736 INFO L138 BoogieDeclarations]: Found implementation of procedure pcnet32_suspend [2022-11-03 01:59:15,737 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-11-03 01:59:15,738 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-11-03 01:59:15,740 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2022-11-03 01:59:15,741 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2022-11-03 01:59:15,741 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_any [2022-11-03 01:59:15,741 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_any [2022-11-03 01:59:15,742 INFO L130 BoogieDeclarations]: Found specification of procedure pcnet32_wio_write_csr [2022-11-03 01:59:15,742 INFO L138 BoogieDeclarations]: Found implementation of procedure pcnet32_wio_write_csr [2022-11-03 01:59:15,742 INFO L130 BoogieDeclarations]: Found specification of procedure pcnet32_load_multicast [2022-11-03 01:59:15,743 INFO L138 BoogieDeclarations]: Found implementation of procedure pcnet32_load_multicast [2022-11-03 01:59:15,743 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_stop_queue [2022-11-03 01:59:15,749 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_stop_queue [2022-11-03 01:59:15,750 INFO L130 BoogieDeclarations]: Found specification of procedure pcnet32_nway_reset [2022-11-03 01:59:15,750 INFO L138 BoogieDeclarations]: Found implementation of procedure pcnet32_nway_reset [2022-11-03 01:59:15,750 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2022-11-03 01:59:15,750 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2022-11-03 01:59:15,750 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_power_state [2022-11-03 01:59:15,750 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_power_state [2022-11-03 01:59:15,751 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2022-11-03 01:59:15,751 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2022-11-03 01:59:15,751 INFO L130 BoogieDeclarations]: Found specification of procedure inb [2022-11-03 01:59:15,751 INFO L138 BoogieDeclarations]: Found implementation of procedure inb [2022-11-03 01:59:15,751 INFO L130 BoogieDeclarations]: Found specification of procedure inl [2022-11-03 01:59:15,751 INFO L138 BoogieDeclarations]: Found implementation of procedure inl [2022-11-03 01:59:15,752 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-03 01:59:15,752 INFO L130 BoogieDeclarations]: Found specification of procedure __request_region [2022-11-03 01:59:15,752 INFO L138 BoogieDeclarations]: Found implementation of procedure __request_region [2022-11-03 01:59:15,752 INFO L130 BoogieDeclarations]: Found specification of procedure inw [2022-11-03 01:59:15,752 INFO L138 BoogieDeclarations]: Found implementation of procedure inw [2022-11-03 01:59:15,752 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2022-11-03 01:59:15,753 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2022-11-03 01:59:15,753 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_netdev [2022-11-03 01:59:15,753 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_netdev [2022-11-03 01:59:17,032 INFO L235 CfgBuilder]: Building ICFG [2022-11-03 01:59:17,036 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-03 01:59:17,261 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-11-03 01:59:30,724 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2022-11-03 01:59:31,035 INFO L276 CfgBuilder]: Performing block encoding [2022-11-03 01:59:33,458 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-03 01:59:33,459 INFO L300 CfgBuilder]: Removed 7 assume(true) statements. [2022-11-03 01:59:33,464 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.11 01:59:33 BoogieIcfgContainer [2022-11-03 01:59:33,465 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-03 01:59:33,467 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-03 01:59:33,467 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-03 01:59:33,471 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-03 01:59:33,472 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 03.11 01:59:09" (1/3) ... [2022-11-03 01:59:33,472 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2635186a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.11 01:59:33, skipping insertion in model container [2022-11-03 01:59:33,473 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:59:14" (2/3) ... [2022-11-03 01:59:33,473 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2635186a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.11 01:59:33, skipping insertion in model container [2022-11-03 01:59:33,473 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.11 01:59:33" (3/3) ... [2022-11-03 01:59:33,475 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-amd-pcnet32.cil.i [2022-11-03 01:59:33,496 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-03 01:59:33,496 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-03 01:59:33,583 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-03 01:59:33,590 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;@3bb53064, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-03 01:59:33,590 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-03 01:59:33,600 INFO L276 IsEmpty]: Start isEmpty. Operand has 2005 states, 1182 states have (on average 1.3121827411167513) internal successors, (1551), 1222 states have internal predecessors, (1551), 700 states have call successors, (700), 125 states have call predecessors, (700), 124 states have return successors, (692), 679 states have call predecessors, (692), 692 states have call successors, (692) [2022-11-03 01:59:33,646 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 236 [2022-11-03 01:59:33,646 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 01:59:33,647 INFO L195 NwaCegarLoop]: trace histogram [14, 13, 13, 13, 13, 13, 13, 4, 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] [2022-11-03 01:59:33,648 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 01:59:33,653 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 01:59:33,653 INFO L85 PathProgramCache]: Analyzing trace with hash 1907440970, now seen corresponding path program 1 times [2022-11-03 01:59:33,664 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 01:59:33,664 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [671957604] [2022-11-03 01:59:33,665 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 01:59:33,665 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 01:59:34,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 01:59:34,896 INFO L134 CoverageAnalysis]: Checked inductivity of 664 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 664 trivial. 0 not checked. [2022-11-03 01:59:34,896 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 01:59:34,897 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [671957604] [2022-11-03 01:59:34,898 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [671957604] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 01:59:34,898 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 01:59:34,898 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-03 01:59:34,902 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [836401859] [2022-11-03 01:59:34,905 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 01:59:34,911 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-03 01:59:34,912 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 01:59:34,959 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-03 01:59:34,960 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-03 01:59:34,967 INFO L87 Difference]: Start difference. First operand has 2005 states, 1182 states have (on average 1.3121827411167513) internal successors, (1551), 1222 states have internal predecessors, (1551), 700 states have call successors, (700), 125 states have call predecessors, (700), 124 states have return successors, (692), 679 states have call predecessors, (692), 692 states have call successors, (692) Second operand has 3 states, 3 states have (on average 27.666666666666668) internal successors, (83), 3 states have internal predecessors, (83), 3 states have call successors, (34), 2 states have call predecessors, (34), 1 states have return successors, (29), 3 states have call predecessors, (29), 3 states have call successors, (29) [2022-11-03 01:59:37,956 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 01:59:39,995 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 01:59:39,996 INFO L93 Difference]: Finished difference Result 5316 states and 7808 transitions. [2022-11-03 01:59:39,997 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-03 01:59:39,998 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 27.666666666666668) internal successors, (83), 3 states have internal predecessors, (83), 3 states have call successors, (34), 2 states have call predecessors, (34), 1 states have return successors, (29), 3 states have call predecessors, (29), 3 states have call successors, (29) Word has length 235 [2022-11-03 01:59:39,999 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 01:59:40,048 INFO L225 Difference]: With dead ends: 5316 [2022-11-03 01:59:40,048 INFO L226 Difference]: Without dead ends: 3248 [2022-11-03 01:59:40,069 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 01:59:40,073 INFO L413 NwaCegarLoop]: 3008 mSDtfsCounter, 1950 mSDsluCounter, 2807 mSDsCounter, 0 mSdLazyCounter, 867 mSolverCounterSat, 7 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1950 SdHoareTripleChecker+Valid, 5449 SdHoareTripleChecker+Invalid, 875 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 867 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.6s IncrementalHoareTripleChecker+Time [2022-11-03 01:59:40,074 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1950 Valid, 5449 Invalid, 875 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [7 Valid, 867 Invalid, 1 Unknown, 0 Unchecked, 4.6s Time] [2022-11-03 01:59:40,097 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3248 states. [2022-11-03 01:59:40,443 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3248 to 3245. [2022-11-03 01:59:40,452 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3245 states, 1928 states have (on average 1.2987551867219918) internal successors, (2504), 1988 states have internal predecessors, (2504), 1085 states have call successors, (1085), 232 states have call predecessors, (1085), 231 states have return successors, (1090), 1059 states have call predecessors, (1090), 1085 states have call successors, (1090) [2022-11-03 01:59:40,480 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3245 states to 3245 states and 4679 transitions. [2022-11-03 01:59:40,483 INFO L78 Accepts]: Start accepts. Automaton has 3245 states and 4679 transitions. Word has length 235 [2022-11-03 01:59:40,486 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 01:59:40,486 INFO L495 AbstractCegarLoop]: Abstraction has 3245 states and 4679 transitions. [2022-11-03 01:59:40,487 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 27.666666666666668) internal successors, (83), 3 states have internal predecessors, (83), 3 states have call successors, (34), 2 states have call predecessors, (34), 1 states have return successors, (29), 3 states have call predecessors, (29), 3 states have call successors, (29) [2022-11-03 01:59:40,487 INFO L276 IsEmpty]: Start isEmpty. Operand 3245 states and 4679 transitions. [2022-11-03 01:59:40,509 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 226 [2022-11-03 01:59:40,509 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 01:59:40,510 INFO L195 NwaCegarLoop]: trace histogram [14, 13, 13, 13, 13, 13, 13, 4, 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] [2022-11-03 01:59:40,510 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-03 01:59:40,510 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 01:59:40,511 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 01:59:40,511 INFO L85 PathProgramCache]: Analyzing trace with hash 68276335, now seen corresponding path program 1 times [2022-11-03 01:59:40,511 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 01:59:40,512 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [196004789] [2022-11-03 01:59:40,512 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 01:59:40,512 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 01:59:40,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 01:59:41,057 INFO L134 CoverageAnalysis]: Checked inductivity of 664 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 664 trivial. 0 not checked. [2022-11-03 01:59:41,057 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 01:59:41,057 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [196004789] [2022-11-03 01:59:41,058 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [196004789] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 01:59:41,058 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 01:59:41,058 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-03 01:59:41,058 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [937545149] [2022-11-03 01:59:41,059 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 01:59:41,061 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-03 01:59:41,062 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 01:59:41,063 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-03 01:59:41,067 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-03 01:59:41,068 INFO L87 Difference]: Start difference. First operand 3245 states and 4679 transitions. Second operand has 3 states, 3 states have (on average 24.0) internal successors, (72), 3 states have internal predecessors, (72), 3 states have call successors, (35), 2 states have call predecessors, (35), 1 states have return successors, (29), 3 states have call predecessors, (29), 3 states have call successors, (29) [2022-11-03 01:59:44,242 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 01:59:46,184 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 01:59:46,185 INFO L93 Difference]: Finished difference Result 8403 states and 12129 transitions. [2022-11-03 01:59:46,185 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-03 01:59:46,186 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 24.0) internal successors, (72), 3 states have internal predecessors, (72), 3 states have call successors, (35), 2 states have call predecessors, (35), 1 states have return successors, (29), 3 states have call predecessors, (29), 3 states have call successors, (29) Word has length 225 [2022-11-03 01:59:46,187 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 01:59:46,228 INFO L225 Difference]: With dead ends: 8403 [2022-11-03 01:59:46,229 INFO L226 Difference]: Without dead ends: 5185 [2022-11-03 01:59:46,250 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 01:59:46,251 INFO L413 NwaCegarLoop]: 3245 mSDtfsCounter, 1976 mSDsluCounter, 2782 mSDsCounter, 0 mSdLazyCounter, 960 mSolverCounterSat, 15 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1977 SdHoareTripleChecker+Valid, 5635 SdHoareTripleChecker+Invalid, 976 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 960 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.8s IncrementalHoareTripleChecker+Time [2022-11-03 01:59:46,251 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1977 Valid, 5635 Invalid, 976 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 960 Invalid, 1 Unknown, 0 Unchecked, 4.8s Time] [2022-11-03 01:59:46,260 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5185 states. [2022-11-03 01:59:46,581 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5185 to 5181. [2022-11-03 01:59:46,593 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5181 states, 3108 states have (on average 1.308880308880309) internal successors, (4068), 3204 states have internal predecessors, (4068), 1691 states have call successors, (1691), 382 states have call predecessors, (1691), 381 states have return successors, (1698), 1650 states have call predecessors, (1698), 1691 states have call successors, (1698) [2022-11-03 01:59:46,622 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5181 states to 5181 states and 7457 transitions. [2022-11-03 01:59:46,624 INFO L78 Accepts]: Start accepts. Automaton has 5181 states and 7457 transitions. Word has length 225 [2022-11-03 01:59:46,626 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 01:59:46,626 INFO L495 AbstractCegarLoop]: Abstraction has 5181 states and 7457 transitions. [2022-11-03 01:59:46,626 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 24.0) internal successors, (72), 3 states have internal predecessors, (72), 3 states have call successors, (35), 2 states have call predecessors, (35), 1 states have return successors, (29), 3 states have call predecessors, (29), 3 states have call successors, (29) [2022-11-03 01:59:46,626 INFO L276 IsEmpty]: Start isEmpty. Operand 5181 states and 7457 transitions. [2022-11-03 01:59:46,639 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 275 [2022-11-03 01:59:46,640 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 01:59:46,640 INFO L195 NwaCegarLoop]: trace histogram [17, 13, 13, 13, 13, 13, 13, 5, 5, 4, 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] [2022-11-03 01:59:46,640 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-03 01:59:46,641 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 01:59:46,642 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 01:59:46,643 INFO L85 PathProgramCache]: Analyzing trace with hash 1190000898, now seen corresponding path program 1 times [2022-11-03 01:59:46,643 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 01:59:46,643 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [294960541] [2022-11-03 01:59:46,643 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 01:59:46,643 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 01:59:46,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 01:59:47,244 INFO L134 CoverageAnalysis]: Checked inductivity of 787 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 784 trivial. 0 not checked. [2022-11-03 01:59:47,245 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 01:59:47,245 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [294960541] [2022-11-03 01:59:47,245 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [294960541] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 01:59:47,245 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 01:59:47,246 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-03 01:59:47,246 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [650129675] [2022-11-03 01:59:47,246 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 01:59:47,247 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-03 01:59:47,250 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 01:59:47,251 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-03 01:59:47,251 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-03 01:59:47,252 INFO L87 Difference]: Start difference. First operand 5181 states and 7457 transitions. Second operand has 3 states, 3 states have (on average 31.333333333333332) internal successors, (94), 3 states have internal predecessors, (94), 3 states have call successors, (43), 2 states have call predecessors, (43), 1 states have return successors, (37), 3 states have call predecessors, (37), 3 states have call successors, (37) [2022-11-03 01:59:50,285 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 01:59:52,716 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 01:59:52,716 INFO L93 Difference]: Finished difference Result 12273 states and 17683 transitions. [2022-11-03 01:59:52,717 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-03 01:59:52,717 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 31.333333333333332) internal successors, (94), 3 states have internal predecessors, (94), 3 states have call successors, (43), 2 states have call predecessors, (43), 1 states have return successors, (37), 3 states have call predecessors, (37), 3 states have call successors, (37) Word has length 274 [2022-11-03 01:59:52,718 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 01:59:52,768 INFO L225 Difference]: With dead ends: 12273 [2022-11-03 01:59:52,768 INFO L226 Difference]: Without dead ends: 7119 [2022-11-03 01:59:52,793 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 01:59:52,798 INFO L413 NwaCegarLoop]: 3490 mSDtfsCounter, 1975 mSDsluCounter, 2774 mSDsCounter, 0 mSdLazyCounter, 1022 mSolverCounterSat, 15 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1976 SdHoareTripleChecker+Valid, 5872 SdHoareTripleChecker+Invalid, 1038 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 1022 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.1s IncrementalHoareTripleChecker+Time [2022-11-03 01:59:52,800 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1976 Valid, 5872 Invalid, 1038 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 1022 Invalid, 1 Unknown, 0 Unchecked, 5.1s Time] [2022-11-03 01:59:52,811 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7119 states. [2022-11-03 01:59:53,263 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7119 to 7115. [2022-11-03 01:59:53,286 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7115 states, 4286 states have (on average 1.3135790947270183) internal successors, (5630), 4418 states have internal predecessors, (5630), 2297 states have call successors, (2297), 532 states have call predecessors, (2297), 531 states have return successors, (2306), 2241 states have call predecessors, (2306), 2297 states have call successors, (2306) [2022-11-03 01:59:53,344 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7115 states to 7115 states and 10233 transitions. [2022-11-03 01:59:53,346 INFO L78 Accepts]: Start accepts. Automaton has 7115 states and 10233 transitions. Word has length 274 [2022-11-03 01:59:53,348 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 01:59:53,348 INFO L495 AbstractCegarLoop]: Abstraction has 7115 states and 10233 transitions. [2022-11-03 01:59:53,349 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 31.333333333333332) internal successors, (94), 3 states have internal predecessors, (94), 3 states have call successors, (43), 2 states have call predecessors, (43), 1 states have return successors, (37), 3 states have call predecessors, (37), 3 states have call successors, (37) [2022-11-03 01:59:53,350 INFO L276 IsEmpty]: Start isEmpty. Operand 7115 states and 10233 transitions. [2022-11-03 01:59:53,369 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 356 [2022-11-03 01:59:53,370 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 01:59:53,370 INFO L195 NwaCegarLoop]: trace histogram [18, 15, 15, 15, 15, 15, 15, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 01:59:53,371 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-03 01:59:53,371 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 01:59:53,372 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 01:59:53,372 INFO L85 PathProgramCache]: Analyzing trace with hash -1754214073, now seen corresponding path program 1 times [2022-11-03 01:59:53,373 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 01:59:53,373 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [327477902] [2022-11-03 01:59:53,373 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 01:59:53,373 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 01:59:53,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 01:59:54,088 INFO L134 CoverageAnalysis]: Checked inductivity of 1004 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1004 trivial. 0 not checked. [2022-11-03 01:59:54,088 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 01:59:54,089 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [327477902] [2022-11-03 01:59:54,089 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [327477902] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 01:59:54,089 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 01:59:54,089 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-03 01:59:54,090 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [683688903] [2022-11-03 01:59:54,090 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 01:59:54,090 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-03 01:59:54,091 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 01:59:54,091 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-03 01:59:54,091 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-03 01:59:54,092 INFO L87 Difference]: Start difference. First operand 7115 states and 10233 transitions. Second operand has 3 states, 3 states have (on average 37.666666666666664) internal successors, (113), 3 states have internal predecessors, (113), 3 states have call successors, (51), 2 states have call predecessors, (51), 1 states have return successors, (48), 3 states have call predecessors, (48), 3 states have call successors, (48) [2022-11-03 01:59:56,843 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 01:59:58,949 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 01:59:58,950 INFO L93 Difference]: Finished difference Result 14096 states and 20164 transitions. [2022-11-03 01:59:58,950 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-03 01:59:58,951 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 37.666666666666664) internal successors, (113), 3 states have internal predecessors, (113), 3 states have call successors, (51), 2 states have call predecessors, (51), 1 states have return successors, (48), 3 states have call predecessors, (48), 3 states have call successors, (48) Word has length 355 [2022-11-03 01:59:58,951 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 01:59:58,997 INFO L225 Difference]: With dead ends: 14096 [2022-11-03 01:59:58,997 INFO L226 Difference]: Without dead ends: 7008 [2022-11-03 01:59:59,029 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 01:59:59,030 INFO L413 NwaCegarLoop]: 2616 mSDtfsCounter, 2616 mSDsluCounter, 845 mSDsCounter, 0 mSdLazyCounter, 528 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2617 SdHoareTripleChecker+Valid, 3346 SdHoareTripleChecker+Invalid, 529 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 528 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.4s IncrementalHoareTripleChecker+Time [2022-11-03 01:59:59,031 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2617 Valid, 3346 Invalid, 529 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 528 Invalid, 1 Unknown, 0 Unchecked, 4.4s Time] [2022-11-03 01:59:59,041 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7008 states. [2022-11-03 01:59:59,423 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7008 to 7006. [2022-11-03 01:59:59,437 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7006 states, 4187 states have (on average 1.29997611655123) internal successors, (5443), 4315 states have internal predecessors, (5443), 2258 states have call successors, (2258), 560 states have call predecessors, (2258), 560 states have return successors, (2263), 2203 states have call predecessors, (2263), 2258 states have call successors, (2263) [2022-11-03 01:59:59,470 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7006 states to 7006 states and 9964 transitions. [2022-11-03 01:59:59,473 INFO L78 Accepts]: Start accepts. Automaton has 7006 states and 9964 transitions. Word has length 355 [2022-11-03 01:59:59,474 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 01:59:59,474 INFO L495 AbstractCegarLoop]: Abstraction has 7006 states and 9964 transitions. [2022-11-03 01:59:59,474 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 37.666666666666664) internal successors, (113), 3 states have internal predecessors, (113), 3 states have call successors, (51), 2 states have call predecessors, (51), 1 states have return successors, (48), 3 states have call predecessors, (48), 3 states have call successors, (48) [2022-11-03 01:59:59,474 INFO L276 IsEmpty]: Start isEmpty. Operand 7006 states and 9964 transitions. [2022-11-03 01:59:59,489 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 337 [2022-11-03 01:59:59,489 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 01:59:59,490 INFO L195 NwaCegarLoop]: trace histogram [19, 13, 13, 13, 13, 13, 13, 9, 9, 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] [2022-11-03 01:59:59,490 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-03 01:59:59,490 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 01:59:59,490 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 01:59:59,491 INFO L85 PathProgramCache]: Analyzing trace with hash -1520747626, now seen corresponding path program 1 times [2022-11-03 01:59:59,491 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 01:59:59,491 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [484329976] [2022-11-03 01:59:59,491 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 01:59:59,492 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 01:59:59,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:00:00,096 INFO L134 CoverageAnalysis]: Checked inductivity of 956 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 956 trivial. 0 not checked. [2022-11-03 02:00:00,097 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 02:00:00,097 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [484329976] [2022-11-03 02:00:00,097 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [484329976] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 02:00:00,098 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 02:00:00,098 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-03 02:00:00,098 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1412980862] [2022-11-03 02:00:00,098 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 02:00:00,099 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-03 02:00:00,099 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 02:00:00,100 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-03 02:00:00,100 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-03 02:00:00,100 INFO L87 Difference]: Start difference. First operand 7006 states and 9964 transitions. Second operand has 3 states, 3 states have (on average 38.0) internal successors, (114), 3 states have internal predecessors, (114), 2 states have call successors, (48), 2 states have call predecessors, (48), 1 states have return successors, (42), 2 states have call predecessors, (42), 2 states have call successors, (42) [2022-11-03 02:00:03,061 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 02:00:04,267 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:00:04,268 INFO L93 Difference]: Finished difference Result 14041 states and 20014 transitions. [2022-11-03 02:00:04,268 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-03 02:00:04,268 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 38.0) internal successors, (114), 3 states have internal predecessors, (114), 2 states have call successors, (48), 2 states have call predecessors, (48), 1 states have return successors, (42), 2 states have call predecessors, (42), 2 states have call successors, (42) Word has length 336 [2022-11-03 02:00:04,269 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:00:04,307 INFO L225 Difference]: With dead ends: 14041 [2022-11-03 02:00:04,308 INFO L226 Difference]: Without dead ends: 7062 [2022-11-03 02:00:04,336 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 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 02:00:04,337 INFO L413 NwaCegarLoop]: 2401 mSDtfsCounter, 8 mSDsluCounter, 2794 mSDsCounter, 0 mSdLazyCounter, 814 mSolverCounterSat, 1 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 12 SdHoareTripleChecker+Valid, 4793 SdHoareTripleChecker+Invalid, 816 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 814 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.9s IncrementalHoareTripleChecker+Time [2022-11-03 02:00:04,337 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [12 Valid, 4793 Invalid, 816 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 814 Invalid, 1 Unknown, 0 Unchecked, 3.9s Time] [2022-11-03 02:00:04,347 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7062 states. [2022-11-03 02:00:04,723 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7062 to 7010. [2022-11-03 02:00:04,734 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7010 states, 4191 states have (on average 1.299689811500835) internal successors, (5447), 4319 states have internal predecessors, (5447), 2258 states have call successors, (2258), 560 states have call predecessors, (2258), 560 states have return successors, (2263), 2203 states have call predecessors, (2263), 2258 states have call successors, (2263) [2022-11-03 02:00:04,763 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7010 states to 7010 states and 9968 transitions. [2022-11-03 02:00:04,765 INFO L78 Accepts]: Start accepts. Automaton has 7010 states and 9968 transitions. Word has length 336 [2022-11-03 02:00:04,769 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:00:04,770 INFO L495 AbstractCegarLoop]: Abstraction has 7010 states and 9968 transitions. [2022-11-03 02:00:04,770 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 38.0) internal successors, (114), 3 states have internal predecessors, (114), 2 states have call successors, (48), 2 states have call predecessors, (48), 1 states have return successors, (42), 2 states have call predecessors, (42), 2 states have call successors, (42) [2022-11-03 02:00:04,770 INFO L276 IsEmpty]: Start isEmpty. Operand 7010 states and 9968 transitions. [2022-11-03 02:00:04,783 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 355 [2022-11-03 02:00:04,783 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:00:04,784 INFO L195 NwaCegarLoop]: trace histogram [19, 13, 13, 13, 13, 13, 13, 9, 9, 4, 3, 3, 3, 3, 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] [2022-11-03 02:00:04,784 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-11-03 02:00:04,784 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 02:00:04,785 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:00:04,785 INFO L85 PathProgramCache]: Analyzing trace with hash 183295175, now seen corresponding path program 1 times [2022-11-03 02:00:04,785 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 02:00:04,785 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1752111757] [2022-11-03 02:00:04,786 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:00:04,786 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 02:00:05,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:00:05,674 INFO L134 CoverageAnalysis]: Checked inductivity of 960 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 948 trivial. 0 not checked. [2022-11-03 02:00:05,675 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 02:00:05,675 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1752111757] [2022-11-03 02:00:05,675 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1752111757] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 02:00:05,676 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 02:00:05,676 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-03 02:00:05,676 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1689324378] [2022-11-03 02:00:05,676 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 02:00:05,678 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-03 02:00:05,679 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 02:00:05,679 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-03 02:00:05,679 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-03 02:00:05,680 INFO L87 Difference]: Start difference. First operand 7010 states and 9968 transitions. Second operand has 3 states, 3 states have (on average 43.333333333333336) internal successors, (130), 3 states have internal predecessors, (130), 3 states have call successors, (53), 2 states have call predecessors, (53), 1 states have return successors, (47), 3 states have call predecessors, (47), 3 states have call successors, (47) [2022-11-03 02:00:08,849 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 02:00:10,953 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:00:10,953 INFO L93 Difference]: Finished difference Result 15660 states and 22288 transitions. [2022-11-03 02:00:10,954 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-03 02:00:10,954 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 43.333333333333336) internal successors, (130), 3 states have internal predecessors, (130), 3 states have call successors, (53), 2 states have call predecessors, (53), 1 states have return successors, (47), 3 states have call predecessors, (47), 3 states have call successors, (47) Word has length 354 [2022-11-03 02:00:10,955 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:00:10,999 INFO L225 Difference]: With dead ends: 15660 [2022-11-03 02:00:10,999 INFO L226 Difference]: Without dead ends: 8677 [2022-11-03 02:00:11,028 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 02:00:11,029 INFO L413 NwaCegarLoop]: 3882 mSDtfsCounter, 1983 mSDsluCounter, 2565 mSDsCounter, 0 mSdLazyCounter, 1091 mSolverCounterSat, 16 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1984 SdHoareTripleChecker+Valid, 6095 SdHoareTripleChecker+Invalid, 1108 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 1091 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.8s IncrementalHoareTripleChecker+Time [2022-11-03 02:00:11,030 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1984 Valid, 6095 Invalid, 1108 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 1091 Invalid, 1 Unknown, 0 Unchecked, 4.8s Time] [2022-11-03 02:00:11,041 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8677 states. [2022-11-03 02:00:11,526 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8677 to 8673. [2022-11-03 02:00:11,542 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8673 states, 5201 states have (on average 1.3035954624110748) internal successors, (6780), 5361 states have internal predecessors, (6780), 2773 states have call successors, (2773), 698 states have call predecessors, (2773), 698 states have return successors, (2778), 2705 states have call predecessors, (2778), 2773 states have call successors, (2778) [2022-11-03 02:00:11,581 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8673 states to 8673 states and 12331 transitions. [2022-11-03 02:00:11,584 INFO L78 Accepts]: Start accepts. Automaton has 8673 states and 12331 transitions. Word has length 354 [2022-11-03 02:00:11,585 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:00:11,585 INFO L495 AbstractCegarLoop]: Abstraction has 8673 states and 12331 transitions. [2022-11-03 02:00:11,586 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 43.333333333333336) internal successors, (130), 3 states have internal predecessors, (130), 3 states have call successors, (53), 2 states have call predecessors, (53), 1 states have return successors, (47), 3 states have call predecessors, (47), 3 states have call successors, (47) [2022-11-03 02:00:11,586 INFO L276 IsEmpty]: Start isEmpty. Operand 8673 states and 12331 transitions. [2022-11-03 02:00:11,604 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 398 [2022-11-03 02:00:11,604 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:00:11,605 INFO L195 NwaCegarLoop]: trace histogram [21, 13, 13, 13, 13, 13, 13, 11, 11, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 02:00:11,605 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-11-03 02:00:11,605 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 02:00:11,605 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:00:11,606 INFO L85 PathProgramCache]: Analyzing trace with hash 561940223, now seen corresponding path program 1 times [2022-11-03 02:00:11,606 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 02:00:11,606 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1498884788] [2022-11-03 02:00:11,606 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:00:11,607 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 02:00:11,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:00:12,429 INFO L134 CoverageAnalysis]: Checked inductivity of 1132 backedges. 22 proven. 0 refuted. 0 times theorem prover too weak. 1110 trivial. 0 not checked. [2022-11-03 02:00:12,429 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 02:00:12,429 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1498884788] [2022-11-03 02:00:12,430 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1498884788] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 02:00:12,430 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 02:00:12,430 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-03 02:00:12,430 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [193708481] [2022-11-03 02:00:12,430 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 02:00:12,431 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-03 02:00:12,431 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 02:00:12,432 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-03 02:00:12,432 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-03 02:00:12,432 INFO L87 Difference]: Start difference. First operand 8673 states and 12331 transitions. Second operand has 3 states, 3 states have (on average 45.666666666666664) internal successors, (137), 3 states have internal predecessors, (137), 3 states have call successors, (56), 2 states have call predecessors, (56), 1 states have return successors, (50), 3 states have call predecessors, (50), 3 states have call successors, (50) [2022-11-03 02:00:15,573 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 02:00:17,230 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:00:17,230 INFO L93 Difference]: Finished difference Result 18967 states and 27003 transitions. [2022-11-03 02:00:17,230 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-03 02:00:17,231 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 45.666666666666664) internal successors, (137), 3 states have internal predecessors, (137), 3 states have call successors, (56), 2 states have call predecessors, (56), 1 states have return successors, (50), 3 states have call predecessors, (50), 3 states have call successors, (50) Word has length 397 [2022-11-03 02:00:17,231 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:00:17,276 INFO L225 Difference]: With dead ends: 18967 [2022-11-03 02:00:17,276 INFO L226 Difference]: Without dead ends: 10321 [2022-11-03 02:00:17,302 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 02:00:17,303 INFO L413 NwaCegarLoop]: 3413 mSDtfsCounter, 1793 mSDsluCounter, 2747 mSDsCounter, 0 mSdLazyCounter, 1024 mSolverCounterSat, 14 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1793 SdHoareTripleChecker+Valid, 5769 SdHoareTripleChecker+Invalid, 1039 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 1024 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.3s IncrementalHoareTripleChecker+Time [2022-11-03 02:00:17,303 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1793 Valid, 5769 Invalid, 1039 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [14 Valid, 1024 Invalid, 1 Unknown, 0 Unchecked, 4.3s Time] [2022-11-03 02:00:17,315 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10321 states. [2022-11-03 02:00:17,817 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10321 to 10317. [2022-11-03 02:00:17,831 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10317 states, 6205 states have (on average 1.3070104754230458) internal successors, (8110), 6397 states have internal predecessors, (8110), 3284 states have call successors, (3284), 827 states have call predecessors, (3284), 827 states have return successors, (3289), 3203 states have call predecessors, (3289), 3284 states have call successors, (3289) [2022-11-03 02:00:17,875 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10317 states to 10317 states and 14683 transitions. [2022-11-03 02:00:17,879 INFO L78 Accepts]: Start accepts. Automaton has 10317 states and 14683 transitions. Word has length 397 [2022-11-03 02:00:17,881 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:00:17,881 INFO L495 AbstractCegarLoop]: Abstraction has 10317 states and 14683 transitions. [2022-11-03 02:00:17,882 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 45.666666666666664) internal successors, (137), 3 states have internal predecessors, (137), 3 states have call successors, (56), 2 states have call predecessors, (56), 1 states have return successors, (50), 3 states have call predecessors, (50), 3 states have call successors, (50) [2022-11-03 02:00:17,882 INFO L276 IsEmpty]: Start isEmpty. Operand 10317 states and 14683 transitions. [2022-11-03 02:00:17,903 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 434 [2022-11-03 02:00:17,903 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:00:17,904 INFO L195 NwaCegarLoop]: trace histogram [23, 13, 13, 13, 13, 13, 13, 12, 12, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 02:00:17,904 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-11-03 02:00:17,904 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 02:00:17,905 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:00:17,905 INFO L85 PathProgramCache]: Analyzing trace with hash -232926983, now seen corresponding path program 1 times [2022-11-03 02:00:17,905 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 02:00:17,905 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1411255842] [2022-11-03 02:00:17,906 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:00:17,906 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 02:00:18,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:00:20,537 INFO L134 CoverageAnalysis]: Checked inductivity of 1303 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 1291 trivial. 0 not checked. [2022-11-03 02:00:20,538 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 02:00:20,538 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1411255842] [2022-11-03 02:00:20,538 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1411255842] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-03 02:00:20,538 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1448337558] [2022-11-03 02:00:20,539 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:00:20,539 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-03 02:00:20,539 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6fd55e89-7de7-4958-ae73-680460333bc2/bin/utaipan-7li7fVZpFI/z3 [2022-11-03 02:00:20,545 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6fd55e89-7de7-4958-ae73-680460333bc2/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-03 02:00:20,577 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6fd55e89-7de7-4958-ae73-680460333bc2/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-11-03 02:00:22,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:00:22,197 INFO L263 TraceCheckSpWp]: Trace formula consists of 4245 conjuncts, 19 conjunts are in the unsatisfiable core [2022-11-03 02:00:22,219 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 02:00:22,594 INFO L134 CoverageAnalysis]: Checked inductivity of 1303 backedges. 300 proven. 0 refuted. 0 times theorem prover too weak. 1003 trivial. 0 not checked. [2022-11-03 02:00:22,594 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-03 02:00:22,594 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1448337558] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 02:00:22,594 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-03 02:00:22,595 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [4] total 12 [2022-11-03 02:00:22,595 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [170744662] [2022-11-03 02:00:22,595 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 02:00:22,596 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-11-03 02:00:22,596 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 02:00:22,596 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-11-03 02:00:22,598 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=109, Unknown=0, NotChecked=0, Total=132 [2022-11-03 02:00:22,598 INFO L87 Difference]: Start difference. First operand 10317 states and 14683 transitions. Second operand has 10 states, 7 states have (on average 24.142857142857142) internal successors, (169), 9 states have internal predecessors, (169), 5 states have call successors, (61), 3 states have call predecessors, (61), 5 states have return successors, (55), 5 states have call predecessors, (55), 5 states have call successors, (55) [2022-11-03 02:00:29,438 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 02:00:41,498 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:00:41,498 INFO L93 Difference]: Finished difference Result 28367 states and 40857 transitions. [2022-11-03 02:00:41,499 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2022-11-03 02:00:41,499 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 7 states have (on average 24.142857142857142) internal successors, (169), 9 states have internal predecessors, (169), 5 states have call successors, (61), 3 states have call predecessors, (61), 5 states have return successors, (55), 5 states have call predecessors, (55), 5 states have call successors, (55) Word has length 433 [2022-11-03 02:00:41,500 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:00:41,580 INFO L225 Difference]: With dead ends: 28367 [2022-11-03 02:00:41,580 INFO L226 Difference]: Without dead ends: 18075 [2022-11-03 02:00:41,616 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 447 GetRequests, 429 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 31 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=67, Invalid=313, Unknown=0, NotChecked=0, Total=380 [2022-11-03 02:00:41,617 INFO L413 NwaCegarLoop]: 4062 mSDtfsCounter, 3957 mSDsluCounter, 31291 mSDsCounter, 0 mSdLazyCounter, 8592 mSolverCounterSat, 1178 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 15.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3970 SdHoareTripleChecker+Valid, 30457 SdHoareTripleChecker+Invalid, 9771 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1178 IncrementalHoareTripleChecker+Valid, 8592 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 17.5s IncrementalHoareTripleChecker+Time [2022-11-03 02:00:41,617 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3970 Valid, 30457 Invalid, 9771 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1178 Valid, 8592 Invalid, 1 Unknown, 0 Unchecked, 17.5s Time] [2022-11-03 02:00:41,636 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18075 states. [2022-11-03 02:00:42,889 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18075 to 15537. [2022-11-03 02:00:42,910 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15537 states, 9380 states have (on average 1.3122601279317698) internal successors, (12309), 9670 states have internal predecessors, (12309), 4923 states have call successors, (4923), 1233 states have call predecessors, (4923), 1233 states have return successors, (4930), 4801 states have call predecessors, (4930), 4923 states have call successors, (4930) [2022-11-03 02:00:42,978 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15537 states to 15537 states and 22162 transitions. [2022-11-03 02:00:42,982 INFO L78 Accepts]: Start accepts. Automaton has 15537 states and 22162 transitions. Word has length 433 [2022-11-03 02:00:42,983 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:00:42,983 INFO L495 AbstractCegarLoop]: Abstraction has 15537 states and 22162 transitions. [2022-11-03 02:00:42,983 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 7 states have (on average 24.142857142857142) internal successors, (169), 9 states have internal predecessors, (169), 5 states have call successors, (61), 3 states have call predecessors, (61), 5 states have return successors, (55), 5 states have call predecessors, (55), 5 states have call successors, (55) [2022-11-03 02:00:42,984 INFO L276 IsEmpty]: Start isEmpty. Operand 15537 states and 22162 transitions. [2022-11-03 02:00:43,005 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 451 [2022-11-03 02:00:43,005 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:00:43,006 INFO L195 NwaCegarLoop]: trace histogram [22, 15, 15, 15, 15, 15, 15, 9, 9, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2022-11-03 02:00:43,057 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6fd55e89-7de7-4958-ae73-680460333bc2/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-11-03 02:00:43,233 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6fd55e89-7de7-4958-ae73-680460333bc2/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-03 02:00:43,234 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 02:00:43,234 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:00:43,234 INFO L85 PathProgramCache]: Analyzing trace with hash 1215264771, now seen corresponding path program 1 times [2022-11-03 02:00:43,234 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 02:00:43,234 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2020257895] [2022-11-03 02:00:43,234 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:00:43,235 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 02:00:43,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:00:44,157 INFO L134 CoverageAnalysis]: Checked inductivity of 1292 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1292 trivial. 0 not checked. [2022-11-03 02:00:44,158 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 02:00:44,158 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2020257895] [2022-11-03 02:00:44,158 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2020257895] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 02:00:44,158 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 02:00:44,158 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-03 02:00:44,159 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1040385164] [2022-11-03 02:00:44,159 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 02:00:44,160 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-03 02:00:44,160 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 02:00:44,160 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-03 02:00:44,160 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-03 02:00:44,161 INFO L87 Difference]: Start difference. First operand 15537 states and 22162 transitions. Second operand has 3 states, 3 states have (on average 48.0) internal successors, (144), 3 states have internal predecessors, (144), 2 states have call successors, (59), 2 states have call predecessors, (59), 1 states have return successors, (56), 2 states have call predecessors, (56), 2 states have call successors, (56) [2022-11-03 02:00:47,084 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 02:00:48,930 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:00:48,931 INFO L93 Difference]: Finished difference Result 31079 states and 44345 transitions. [2022-11-03 02:00:48,931 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-03 02:00:48,932 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 48.0) internal successors, (144), 3 states have internal predecessors, (144), 2 states have call successors, (59), 2 states have call predecessors, (59), 1 states have return successors, (56), 2 states have call predecessors, (56), 2 states have call successors, (56) Word has length 450 [2022-11-03 02:00:48,932 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:00:49,002 INFO L225 Difference]: With dead ends: 31079 [2022-11-03 02:00:49,002 INFO L226 Difference]: Without dead ends: 15569 [2022-11-03 02:00:49,051 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 02:00:49,052 INFO L413 NwaCegarLoop]: 2397 mSDtfsCounter, 7 mSDsluCounter, 2777 mSDsCounter, 0 mSdLazyCounter, 825 mSolverCounterSat, 6 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11 SdHoareTripleChecker+Valid, 4779 SdHoareTripleChecker+Invalid, 832 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 825 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.9s IncrementalHoareTripleChecker+Time [2022-11-03 02:00:49,052 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [11 Valid, 4779 Invalid, 832 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 825 Invalid, 1 Unknown, 0 Unchecked, 3.9s Time] [2022-11-03 02:00:49,068 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15569 states. [2022-11-03 02:00:50,210 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15569 to 15547. [2022-11-03 02:00:50,224 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15547 states, 9390 states have (on average 1.3119275825346113) internal successors, (12319), 9680 states have internal predecessors, (12319), 4923 states have call successors, (4923), 1233 states have call predecessors, (4923), 1233 states have return successors, (4930), 4801 states have call predecessors, (4930), 4923 states have call successors, (4930) [2022-11-03 02:00:50,292 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15547 states to 15547 states and 22172 transitions. [2022-11-03 02:00:50,297 INFO L78 Accepts]: Start accepts. Automaton has 15547 states and 22172 transitions. Word has length 450 [2022-11-03 02:00:50,298 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:00:50,298 INFO L495 AbstractCegarLoop]: Abstraction has 15547 states and 22172 transitions. [2022-11-03 02:00:50,299 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 48.0) internal successors, (144), 3 states have internal predecessors, (144), 2 states have call successors, (59), 2 states have call predecessors, (59), 1 states have return successors, (56), 2 states have call predecessors, (56), 2 states have call successors, (56) [2022-11-03 02:00:50,299 INFO L276 IsEmpty]: Start isEmpty. Operand 15547 states and 22172 transitions. [2022-11-03 02:00:50,319 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 474 [2022-11-03 02:00:50,320 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:00:50,320 INFO L195 NwaCegarLoop]: trace histogram [22, 15, 15, 15, 15, 15, 15, 9, 9, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 02:00:50,320 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-11-03 02:00:50,321 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 02:00:50,321 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:00:50,321 INFO L85 PathProgramCache]: Analyzing trace with hash 1211240016, now seen corresponding path program 1 times [2022-11-03 02:00:50,321 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 02:00:50,322 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [747836834] [2022-11-03 02:00:50,322 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:00:50,322 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 02:00:50,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:00:53,664 INFO L134 CoverageAnalysis]: Checked inductivity of 1324 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 1316 trivial. 0 not checked. [2022-11-03 02:00:53,664 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 02:00:53,664 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [747836834] [2022-11-03 02:00:53,664 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [747836834] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-03 02:00:53,664 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2099635095] [2022-11-03 02:00:53,665 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:00:53,665 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-03 02:00:53,665 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6fd55e89-7de7-4958-ae73-680460333bc2/bin/utaipan-7li7fVZpFI/z3 [2022-11-03 02:00:53,666 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6fd55e89-7de7-4958-ae73-680460333bc2/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-03 02:00:53,691 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6fd55e89-7de7-4958-ae73-680460333bc2/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-11-03 02:00:55,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:00:55,637 INFO L263 TraceCheckSpWp]: Trace formula consists of 5347 conjuncts, 3 conjunts are in the unsatisfiable core [2022-11-03 02:00:55,654 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 02:00:55,739 INFO L134 CoverageAnalysis]: Checked inductivity of 1324 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1323 trivial. 0 not checked. [2022-11-03 02:00:55,740 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-03 02:00:56,230 INFO L134 CoverageAnalysis]: Checked inductivity of 1324 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1323 trivial. 0 not checked. [2022-11-03 02:00:56,231 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2099635095] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-03 02:00:56,231 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1039905614] [2022-11-03 02:00:56,262 INFO L159 IcfgInterpreter]: Started Sifa with 230 locations of interest [2022-11-03 02:00:56,262 INFO L166 IcfgInterpreter]: Building call graph [2022-11-03 02:00:56,268 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-03 02:00:56,274 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-03 02:00:56,275 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-03 02:05:55,542 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 9 [2022-11-03 02:05:55,553 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2022-11-03 02:06:12,078 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-11-03 02:06:12,280 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-11-03 02:06:12,459 WARN L234 Elim1Store]: Array PQE input equivalent to false [2022-11-03 02:06:12,478 WARN L234 Elim1Store]: Array PQE input equivalent to false [2022-11-03 02:06:20,615 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-11-03 02:06:20,688 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-11-03 02:06:20,933 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-11-03 02:06:21,011 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-11-03 02:07:55,001 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-11-03 02:07:55,067 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-11-03 02:07:55,351 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-11-03 02:07:55,423 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-11-03 02:08:01,786 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-11-03 02:08:01,879 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-11-03 02:08:02,115 WARN L234 Elim1Store]: Array PQE input equivalent to false [2022-11-03 02:08:02,120 WARN L234 Elim1Store]: Array PQE input equivalent to false [2022-11-03 02:10:18,470 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-11-03 02:10:18,552 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-11-03 02:10:18,771 WARN L234 Elim1Store]: Array PQE input equivalent to false [2022-11-03 02:10:18,776 WARN L234 Elim1Store]: Array PQE input equivalent to false [2022-11-03 02:10:25,116 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-11-03 02:10:25,254 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-11-03 02:10:25,443 WARN L234 Elim1Store]: Array PQE input equivalent to false [2022-11-03 02:10:25,454 WARN L234 Elim1Store]: Array PQE input equivalent to false [2022-11-03 02:12:04,086 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-11-03 02:12:04,204 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-11-03 02:12:04,901 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-11-03 02:12:05,010 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3