./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-renesas-sh_eth.cil.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 0f8a17c6 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5164530f-7831-42e8-83f3-990b4b30abb9/bin/utaipan-UbGMyvGFUs/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5164530f-7831-42e8-83f3-990b4b30abb9/bin/utaipan-UbGMyvGFUs/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5164530f-7831-42e8-83f3-990b4b30abb9/bin/utaipan-UbGMyvGFUs/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5164530f-7831-42e8-83f3-990b4b30abb9/bin/utaipan-UbGMyvGFUs/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-renesas-sh_eth.cil.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5164530f-7831-42e8-83f3-990b4b30abb9/bin/utaipan-UbGMyvGFUs/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5164530f-7831-42e8-83f3-990b4b30abb9/bin/utaipan-UbGMyvGFUs --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 09cbaebb1ba63467573f762e7ad2cc192d5056a63325ea78efceb6e965b304c3 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-0f8a17c [2021-11-19 14:28:53,542 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-19 14:28:53,545 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-19 14:28:53,602 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-19 14:28:53,603 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-19 14:28:53,609 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-19 14:28:53,611 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-19 14:28:53,616 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-19 14:28:53,619 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-19 14:28:53,626 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-19 14:28:53,627 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-19 14:28:53,629 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-19 14:28:53,629 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-19 14:28:53,630 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-19 14:28:53,632 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-19 14:28:53,633 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-19 14:28:53,634 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-19 14:28:53,637 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-19 14:28:53,640 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-19 14:28:53,650 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-19 14:28:53,652 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-19 14:28:53,655 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-19 14:28:53,661 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-19 14:28:53,662 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-19 14:28:53,666 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-19 14:28:53,666 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-19 14:28:53,667 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-19 14:28:53,669 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-19 14:28:53,669 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-19 14:28:53,671 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-19 14:28:53,671 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-19 14:28:53,672 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-19 14:28:53,674 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-19 14:28:53,676 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-19 14:28:53,677 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-19 14:28:53,678 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-19 14:28:53,679 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-19 14:28:53,679 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-19 14:28:53,679 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-19 14:28:53,680 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-19 14:28:53,681 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-19 14:28:53,682 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5164530f-7831-42e8-83f3-990b4b30abb9/bin/utaipan-UbGMyvGFUs/config/svcomp-Reach-64bit-Taipan_Default.epf [2021-11-19 14:28:53,728 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-19 14:28:53,728 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-19 14:28:53,729 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-19 14:28:53,730 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-19 14:28:53,730 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-19 14:28:53,730 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-19 14:28:53,730 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-19 14:28:53,730 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-19 14:28:53,737 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-19 14:28:53,737 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-19 14:28:53,738 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-19 14:28:53,739 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-19 14:28:53,739 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-19 14:28:53,739 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-19 14:28:53,739 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-19 14:28:53,739 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2021-11-19 14:28:53,740 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-19 14:28:53,740 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-19 14:28:53,740 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-19 14:28:53,741 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-19 14:28:53,741 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-19 14:28:53,741 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-19 14:28:53,741 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-19 14:28:53,741 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-19 14:28:53,742 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-19 14:28:53,742 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-19 14:28:53,742 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-19 14:28:53,742 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-19 14:28:53,742 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-19 14:28:53,744 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-19 14:28:53,744 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-19 14:28:53,745 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-19 14:28:53,745 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-19 14:28:53,745 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-19 14:28:53,745 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-19 14:28:53,745 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-19 14:28:53,746 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-19 14:28:53,746 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES 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_5164530f-7831-42e8-83f3-990b4b30abb9/bin/utaipan-UbGMyvGFUs/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5164530f-7831-42e8-83f3-990b4b30abb9/bin/utaipan-UbGMyvGFUs Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 09cbaebb1ba63467573f762e7ad2cc192d5056a63325ea78efceb6e965b304c3 [2021-11-19 14:28:54,040 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-19 14:28:54,068 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-19 14:28:54,072 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-19 14:28:54,073 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-19 14:28:54,074 INFO L275 PluginConnector]: CDTParser initialized [2021-11-19 14:28:54,075 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5164530f-7831-42e8-83f3-990b4b30abb9/bin/utaipan-UbGMyvGFUs/../../sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-renesas-sh_eth.cil.i [2021-11-19 14:28:54,166 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5164530f-7831-42e8-83f3-990b4b30abb9/bin/utaipan-UbGMyvGFUs/data/16f197863/0c4c322d452e4d3aafc6eadf82f74c7a/FLAG454065430 [2021-11-19 14:28:55,284 INFO L306 CDTParser]: Found 1 translation units. [2021-11-19 14:28:55,285 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5164530f-7831-42e8-83f3-990b4b30abb9/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-renesas-sh_eth.cil.i [2021-11-19 14:28:55,369 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5164530f-7831-42e8-83f3-990b4b30abb9/bin/utaipan-UbGMyvGFUs/data/16f197863/0c4c322d452e4d3aafc6eadf82f74c7a/FLAG454065430 [2021-11-19 14:28:55,480 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5164530f-7831-42e8-83f3-990b4b30abb9/bin/utaipan-UbGMyvGFUs/data/16f197863/0c4c322d452e4d3aafc6eadf82f74c7a [2021-11-19 14:28:55,484 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-19 14:28:55,487 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-19 14:28:55,490 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-19 14:28:55,491 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-19 14:28:55,494 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-19 14:28:55,495 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 02:28:55" (1/1) ... [2021-11-19 14:28:55,497 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@342aa2ac and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:28:55, skipping insertion in model container [2021-11-19 14:28:55,497 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 02:28:55" (1/1) ... [2021-11-19 14:28:55,503 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-19 14:28:55,729 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-19 14:28:58,376 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 14:28:58,384 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 14:28:58,393 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 14:28:58,401 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 14:28:58,530 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 14:28:58,838 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 14:28:58,839 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 14:29:01,073 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_5164530f-7831-42e8-83f3-990b4b30abb9/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-renesas-sh_eth.cil.i[541974,541987] [2021-11-19 14:29:01,076 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_5164530f-7831-42e8-83f3-990b4b30abb9/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-renesas-sh_eth.cil.i[542119,542132] [2021-11-19 14:29:01,096 INFO L207 PostProcessor]: Analyzing one entry point: main [2021-11-19 14:29:01,210 ERROR L326 MainTranslator]: Unsupported Syntax: Found a cast between two array/pointer types where the value type is smaller than the cast-to type while using memory model HoenickeLindenmann_Original (while Not using bitvector translation) [2021-11-19 14:29:01,211 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@5594dee3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:29:01, skipping insertion in model container [2021-11-19 14:29:01,211 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-19 14:29:01,212 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-11-19 14:29:01,214 INFO L158 Benchmark]: Toolchain (without parser) took 5725.49ms. Allocated memory was 90.2MB in the beginning and 163.6MB in the end (delta: 73.4MB). Free memory was 51.3MB in the beginning and 95.1MB in the end (delta: -43.8MB). Peak memory consumption was 58.8MB. Max. memory is 16.1GB. [2021-11-19 14:29:01,214 INFO L158 Benchmark]: CDTParser took 0.31ms. Allocated memory is still 90.2MB. Free memory was 67.7MB in the beginning and 67.6MB in the end (delta: 84.0kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-19 14:29:01,215 INFO L158 Benchmark]: CACSL2BoogieTranslator took 5720.98ms. Allocated memory was 90.2MB in the beginning and 163.6MB in the end (delta: 73.4MB). Free memory was 51.0MB in the beginning and 95.1MB in the end (delta: -44.1MB). Peak memory consumption was 58.8MB. Max. memory is 16.1GB. [2021-11-19 14:29:01,217 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.31ms. Allocated memory is still 90.2MB. Free memory was 67.7MB in the beginning and 67.6MB in the end (delta: 84.0kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 5720.98ms. Allocated memory was 90.2MB in the beginning and 163.6MB in the end (delta: 73.4MB). Free memory was 51.0MB in the beginning and 95.1MB in the end (delta: -44.1MB). Peak memory consumption was 58.8MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 6318]: Unsupported Syntax Found a cast between two array/pointer types where the value type is smaller than the cast-to type while using memory model HoenickeLindenmann_Original (while Not using bitvector translation) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5164530f-7831-42e8-83f3-990b4b30abb9/bin/utaipan-UbGMyvGFUs/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5164530f-7831-42e8-83f3-990b4b30abb9/bin/utaipan-UbGMyvGFUs/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5164530f-7831-42e8-83f3-990b4b30abb9/bin/utaipan-UbGMyvGFUs/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5164530f-7831-42e8-83f3-990b4b30abb9/bin/utaipan-UbGMyvGFUs/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-renesas-sh_eth.cil.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5164530f-7831-42e8-83f3-990b4b30abb9/bin/utaipan-UbGMyvGFUs/config/svcomp-Reach-64bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5164530f-7831-42e8-83f3-990b4b30abb9/bin/utaipan-UbGMyvGFUs --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 09cbaebb1ba63467573f762e7ad2cc192d5056a63325ea78efceb6e965b304c3 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-0f8a17c [2021-11-19 14:29:03,668 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-19 14:29:03,671 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-19 14:29:03,706 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-19 14:29:03,708 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-19 14:29:03,710 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-19 14:29:03,713 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-19 14:29:03,718 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-19 14:29:03,723 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-19 14:29:03,727 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-19 14:29:03,729 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-19 14:29:03,732 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-19 14:29:03,732 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-19 14:29:03,740 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-19 14:29:03,742 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-19 14:29:03,745 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-19 14:29:03,751 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-19 14:29:03,752 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-19 14:29:03,757 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-19 14:29:03,763 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-19 14:29:03,770 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-19 14:29:03,772 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-19 14:29:03,773 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-19 14:29:03,776 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-19 14:29:03,780 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-19 14:29:03,784 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-19 14:29:03,785 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-19 14:29:03,786 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-19 14:29:03,787 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-19 14:29:03,788 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-19 14:29:03,790 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-19 14:29:03,791 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-19 14:29:03,792 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-19 14:29:03,794 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-19 14:29:03,795 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-19 14:29:03,796 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-19 14:29:03,797 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-19 14:29:03,797 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-19 14:29:03,797 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-19 14:29:03,799 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-19 14:29:03,800 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-19 14:29:03,805 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5164530f-7831-42e8-83f3-990b4b30abb9/bin/utaipan-UbGMyvGFUs/config/svcomp-Reach-64bit-Taipan_Bitvector.epf [2021-11-19 14:29:03,850 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-19 14:29:03,850 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-19 14:29:03,852 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-19 14:29:03,852 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-19 14:29:03,852 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-19 14:29:03,853 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-19 14:29:03,853 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-19 14:29:03,853 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-19 14:29:03,853 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-19 14:29:03,854 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-19 14:29:03,856 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-19 14:29:03,856 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-19 14:29:03,857 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-19 14:29:03,857 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-19 14:29:03,857 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-19 14:29:03,858 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-19 14:29:03,858 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-19 14:29:03,858 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-19 14:29:03,858 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-19 14:29:03,859 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-19 14:29:03,859 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-19 14:29:03,859 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-19 14:29:03,859 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-19 14:29:03,860 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-19 14:29:03,860 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-19 14:29:03,860 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-19 14:29:03,860 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-19 14:29:03,861 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-19 14:29:03,861 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-19 14:29:03,861 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-19 14:29:03,861 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-19 14:29:03,862 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-19 14:29:03,862 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-19 14:29:03,862 INFO L138 SettingsManager]: * Logic for external solver=AUFBV WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5164530f-7831-42e8-83f3-990b4b30abb9/bin/utaipan-UbGMyvGFUs/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5164530f-7831-42e8-83f3-990b4b30abb9/bin/utaipan-UbGMyvGFUs Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 09cbaebb1ba63467573f762e7ad2cc192d5056a63325ea78efceb6e965b304c3 [2021-11-19 14:29:04,325 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-19 14:29:04,349 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-19 14:29:04,352 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-19 14:29:04,354 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-19 14:29:04,355 INFO L275 PluginConnector]: CDTParser initialized [2021-11-19 14:29:04,356 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5164530f-7831-42e8-83f3-990b4b30abb9/bin/utaipan-UbGMyvGFUs/../../sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-renesas-sh_eth.cil.i [2021-11-19 14:29:04,435 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5164530f-7831-42e8-83f3-990b4b30abb9/bin/utaipan-UbGMyvGFUs/data/ddee34847/d90e7f84c7f24ad988687cd58798e93b/FLAGddc3d839a [2021-11-19 14:29:05,579 INFO L306 CDTParser]: Found 1 translation units. [2021-11-19 14:29:05,580 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5164530f-7831-42e8-83f3-990b4b30abb9/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-renesas-sh_eth.cil.i [2021-11-19 14:29:05,652 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5164530f-7831-42e8-83f3-990b4b30abb9/bin/utaipan-UbGMyvGFUs/data/ddee34847/d90e7f84c7f24ad988687cd58798e93b/FLAGddc3d839a [2021-11-19 14:29:05,842 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5164530f-7831-42e8-83f3-990b4b30abb9/bin/utaipan-UbGMyvGFUs/data/ddee34847/d90e7f84c7f24ad988687cd58798e93b [2021-11-19 14:29:05,844 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-19 14:29:05,845 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-19 14:29:05,847 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-19 14:29:05,847 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-19 14:29:05,851 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-19 14:29:05,852 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 02:29:05" (1/1) ... [2021-11-19 14:29:05,854 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2b2966d7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:29:05, skipping insertion in model container [2021-11-19 14:29:05,854 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 02:29:05" (1/1) ... [2021-11-19 14:29:05,863 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-19 14:29:06,114 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-19 14:29:11,423 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_5164530f-7831-42e8-83f3-990b4b30abb9/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-renesas-sh_eth.cil.i[541974,541987] [2021-11-19 14:29:11,426 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_5164530f-7831-42e8-83f3-990b4b30abb9/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-renesas-sh_eth.cil.i[542119,542132] [2021-11-19 14:29:11,447 INFO L207 PostProcessor]: Analyzing one entry point: main [2021-11-19 14:29:11,570 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2021-11-19 14:29:11,669 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-19 14:29:12,078 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_5164530f-7831-42e8-83f3-990b4b30abb9/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-renesas-sh_eth.cil.i[541974,541987] [2021-11-19 14:29:12,079 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_5164530f-7831-42e8-83f3-990b4b30abb9/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-renesas-sh_eth.cil.i[542119,542132] [2021-11-19 14:29:12,087 INFO L207 PostProcessor]: Analyzing one entry point: main [2021-11-19 14:29:12,153 INFO L203 MainTranslator]: Completed pre-run [2021-11-19 14:29:12,760 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_5164530f-7831-42e8-83f3-990b4b30abb9/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-renesas-sh_eth.cil.i[541974,541987] [2021-11-19 14:29:12,760 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_5164530f-7831-42e8-83f3-990b4b30abb9/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-renesas-sh_eth.cil.i[542119,542132] [2021-11-19 14:29:12,767 INFO L207 PostProcessor]: Analyzing one entry point: main [2021-11-19 14:29:13,365 INFO L208 MainTranslator]: Completed translation [2021-11-19 14:29:13,366 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:29:13 WrapperNode [2021-11-19 14:29:13,366 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-19 14:29:13,367 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-19 14:29:13,367 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-19 14:29:13,367 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-19 14:29:13,374 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:29:13" (1/1) ... [2021-11-19 14:29:13,532 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:29:13" (1/1) ... [2021-11-19 14:29:13,879 INFO L137 Inliner]: procedures = 693, calls = 3870, calls flagged for inlining = 401, calls inlined = 378, statements flattened = 8822 [2021-11-19 14:29:13,880 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-19 14:29:13,881 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-19 14:29:13,881 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-19 14:29:13,881 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-19 14:29:13,891 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:29:13" (1/1) ... [2021-11-19 14:29:13,891 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:29:13" (1/1) ... [2021-11-19 14:29:13,970 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:29:13" (1/1) ... [2021-11-19 14:29:13,971 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:29:13" (1/1) ... [2021-11-19 14:29:14,231 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:29:13" (1/1) ... [2021-11-19 14:29:14,267 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:29:13" (1/1) ... [2021-11-19 14:29:14,343 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:29:13" (1/1) ... [2021-11-19 14:29:14,395 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-19 14:29:14,396 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-19 14:29:14,396 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-19 14:29:14,396 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-19 14:29:14,397 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:29:13" (1/1) ... [2021-11-19 14:29:14,404 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-19 14:29:14,415 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5164530f-7831-42e8-83f3-990b4b30abb9/bin/utaipan-UbGMyvGFUs/z3 [2021-11-19 14:29:14,428 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5164530f-7831-42e8-83f3-990b4b30abb9/bin/utaipan-UbGMyvGFUs/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-19 14:29:14,456 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5164530f-7831-42e8-83f3-990b4b30abb9/bin/utaipan-UbGMyvGFUs/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-19 14:29:14,477 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2021-11-19 14:29:14,478 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2021-11-19 14:29:14,478 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_alloc_skb [2021-11-19 14:29:14,478 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_alloc_skb [2021-11-19 14:29:14,478 INFO L130 BoogieDeclarations]: Found specification of procedure sh_eth_get_sset_count [2021-11-19 14:29:14,479 INFO L138 BoogieDeclarations]: Found implementation of procedure sh_eth_get_sset_count [2021-11-19 14:29:14,479 INFO L130 BoogieDeclarations]: Found specification of procedure sh_eth_write [2021-11-19 14:29:14,479 INFO L138 BoogieDeclarations]: Found implementation of procedure sh_eth_write [2021-11-19 14:29:14,479 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2021-11-19 14:29:14,479 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2021-11-19 14:29:14,479 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_88 [2021-11-19 14:29:14,480 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_88 [2021-11-19 14:29:14,480 INFO L130 BoogieDeclarations]: Found specification of procedure sh_eth_select_mii [2021-11-19 14:29:14,480 INFO L138 BoogieDeclarations]: Found implementation of procedure sh_eth_select_mii [2021-11-19 14:29:14,480 INFO L130 BoogieDeclarations]: Found specification of procedure cpu_to_edmac [2021-11-19 14:29:14,480 INFO L138 BoogieDeclarations]: Found implementation of procedure cpu_to_edmac [2021-11-19 14:29:14,480 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-11-19 14:29:14,481 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-11-19 14:29:14,481 INFO L130 BoogieDeclarations]: Found specification of procedure sh_eth_tsu_write [2021-11-19 14:29:14,481 INFO L138 BoogieDeclarations]: Found implementation of procedure sh_eth_tsu_write [2021-11-19 14:29:14,481 INFO L130 BoogieDeclarations]: Found specification of procedure ethtool_op_get_link [2021-11-19 14:29:14,481 INFO L138 BoogieDeclarations]: Found implementation of procedure ethtool_op_get_link [2021-11-19 14:29:14,481 INFO L130 BoogieDeclarations]: Found specification of procedure sh_eth_tsu_disable_cam_entry_table [2021-11-19 14:29:14,482 INFO L138 BoogieDeclarations]: Found implementation of procedure sh_eth_tsu_disable_cam_entry_table [2021-11-19 14:29:14,482 INFO L130 BoogieDeclarations]: Found specification of procedure free_irq [2021-11-19 14:29:14,482 INFO L138 BoogieDeclarations]: Found implementation of procedure free_irq [2021-11-19 14:29:14,482 INFO L130 BoogieDeclarations]: Found specification of procedure sh_eth_set_rate_giga [2021-11-19 14:29:14,482 INFO L138 BoogieDeclarations]: Found implementation of procedure sh_eth_set_rate_giga [2021-11-19 14:29:14,482 INFO L130 BoogieDeclarations]: Found specification of procedure netif_napi_del [2021-11-19 14:29:14,483 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_napi_del [2021-11-19 14:29:14,483 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2021-11-19 14:29:14,483 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2021-11-19 14:29:14,483 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2021-11-19 14:29:14,483 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2021-11-19 14:29:14,483 INFO L130 BoogieDeclarations]: Found specification of procedure bb_clr [2021-11-19 14:29:14,484 INFO L138 BoogieDeclarations]: Found implementation of procedure bb_clr [2021-11-19 14:29:14,484 INFO L130 BoogieDeclarations]: Found specification of procedure ioread32 [2021-11-19 14:29:14,484 INFO L138 BoogieDeclarations]: Found implementation of procedure ioread32 [2021-11-19 14:29:14,484 INFO L130 BoogieDeclarations]: Found specification of procedure sh_eth_free_dma_buffer [2021-11-19 14:29:14,484 INFO L138 BoogieDeclarations]: Found implementation of procedure sh_eth_free_dma_buffer [2021-11-19 14:29:14,485 INFO L130 BoogieDeclarations]: Found specification of procedure sh_eth_tsu_busy [2021-11-19 14:29:14,485 INFO L138 BoogieDeclarations]: Found implementation of procedure sh_eth_tsu_busy [2021-11-19 14:29:14,485 INFO L130 BoogieDeclarations]: Found specification of procedure sh_eth_set_rate_r8a777x [2021-11-19 14:29:14,485 INFO L138 BoogieDeclarations]: Found implementation of procedure sh_eth_set_rate_r8a777x [2021-11-19 14:29:14,485 INFO L130 BoogieDeclarations]: Found specification of procedure phys_to_virt [2021-11-19 14:29:14,485 INFO L138 BoogieDeclarations]: Found implementation of procedure phys_to_virt [2021-11-19 14:29:14,486 INFO L130 BoogieDeclarations]: Found specification of procedure eth_mac_addr [2021-11-19 14:29:14,486 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_mac_addr [2021-11-19 14:29:14,486 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2021-11-19 14:29:14,486 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2021-11-19 14:29:14,486 INFO L130 BoogieDeclarations]: Found specification of procedure iowrite32 [2021-11-19 14:29:14,486 INFO L138 BoogieDeclarations]: Found implementation of procedure iowrite32 [2021-11-19 14:29:14,487 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2021-11-19 14:29:14,487 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2021-11-19 14:29:14,487 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2021-11-19 14:29:14,487 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2021-11-19 14:29:14,487 INFO L130 BoogieDeclarations]: Found specification of procedure sh_eth_tx_timeout [2021-11-19 14:29:14,487 INFO L138 BoogieDeclarations]: Found implementation of procedure sh_eth_tx_timeout [2021-11-19 14:29:14,488 INFO L130 BoogieDeclarations]: Found specification of procedure platform_get_resource [2021-11-19 14:29:14,488 INFO L138 BoogieDeclarations]: Found implementation of procedure platform_get_resource [2021-11-19 14:29:14,488 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-19 14:29:14,488 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2 [2021-11-19 14:29:14,488 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kmalloc_array_83 [2021-11-19 14:29:14,488 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kmalloc_array_83 [2021-11-19 14:29:14,488 INFO L130 BoogieDeclarations]: Found specification of procedure sh_eth_ring_free [2021-11-19 14:29:14,489 INFO L138 BoogieDeclarations]: Found implementation of procedure sh_eth_ring_free [2021-11-19 14:29:14,489 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-11-19 14:29:14,489 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2021-11-19 14:29:14,489 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8 [2021-11-19 14:29:14,489 INFO L130 BoogieDeclarations]: Found specification of procedure eth_change_mtu [2021-11-19 14:29:14,489 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_change_mtu [2021-11-19 14:29:14,490 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2021-11-19 14:29:14,490 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2021-11-19 14:29:14,490 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2021-11-19 14:29:14,490 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2021-11-19 14:29:14,490 INFO L130 BoogieDeclarations]: Found specification of procedure sh_eth_chip_reset [2021-11-19 14:29:14,490 INFO L138 BoogieDeclarations]: Found implementation of procedure sh_eth_chip_reset [2021-11-19 14:29:14,491 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2021-11-19 14:29:14,491 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2021-11-19 14:29:14,491 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_unregister_netdev [2021-11-19 14:29:14,491 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_unregister_netdev [2021-11-19 14:29:14,491 INFO L130 BoogieDeclarations]: Found specification of procedure sh_eth_get_ringparam [2021-11-19 14:29:14,491 INFO L138 BoogieDeclarations]: Found implementation of procedure sh_eth_get_ringparam [2021-11-19 14:29:14,492 INFO L130 BoogieDeclarations]: Found specification of procedure sh_eth_start_xmit [2021-11-19 14:29:14,492 INFO L138 BoogieDeclarations]: Found implementation of procedure sh_eth_start_xmit [2021-11-19 14:29:14,492 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2021-11-19 14:29:14,492 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2021-11-19 14:29:14,492 INFO L130 BoogieDeclarations]: Found specification of procedure sh_eth_nway_reset [2021-11-19 14:29:14,492 INFO L138 BoogieDeclarations]: Found implementation of procedure sh_eth_nway_reset [2021-11-19 14:29:14,493 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2021-11-19 14:29:14,493 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2021-11-19 14:29:14,493 INFO L130 BoogieDeclarations]: Found specification of procedure sh_eth_close [2021-11-19 14:29:14,493 INFO L138 BoogieDeclarations]: Found implementation of procedure sh_eth_close [2021-11-19 14:29:14,493 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_after_alloc [2021-11-19 14:29:14,493 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_after_alloc [2021-11-19 14:29:14,494 INFO L130 BoogieDeclarations]: Found specification of procedure sh_eth_soft_swap [2021-11-19 14:29:14,494 INFO L138 BoogieDeclarations]: Found implementation of procedure sh_eth_soft_swap [2021-11-19 14:29:14,494 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2021-11-19 14:29:14,494 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2021-11-19 14:29:14,494 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2021-11-19 14:29:14,494 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2021-11-19 14:29:14,494 INFO L130 BoogieDeclarations]: Found specification of procedure sh_get_mdio [2021-11-19 14:29:14,495 INFO L138 BoogieDeclarations]: Found implementation of procedure sh_get_mdio [2021-11-19 14:29:14,495 INFO L130 BoogieDeclarations]: Found specification of procedure sh_eth_tsu_find_entry [2021-11-19 14:29:14,495 INFO L138 BoogieDeclarations]: Found implementation of procedure sh_eth_tsu_find_entry [2021-11-19 14:29:14,495 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2021-11-19 14:29:14,495 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2021-11-19 14:29:14,495 INFO L130 BoogieDeclarations]: Found specification of procedure sh_eth_vlan_rx_add_vid [2021-11-19 14:29:14,496 INFO L138 BoogieDeclarations]: Found implementation of procedure sh_eth_vlan_rx_add_vid [2021-11-19 14:29:14,496 INFO L130 BoogieDeclarations]: Found specification of procedure sh_eth_ring_init [2021-11-19 14:29:14,496 INFO L138 BoogieDeclarations]: Found implementation of procedure sh_eth_ring_init [2021-11-19 14:29:14,496 INFO L130 BoogieDeclarations]: Found specification of procedure virt_to_phys [2021-11-19 14:29:14,496 INFO L138 BoogieDeclarations]: Found implementation of procedure virt_to_phys [2021-11-19 14:29:14,496 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-19 14:29:14,497 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_1 [2021-11-19 14:29:14,497 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_1 [2021-11-19 14:29:14,497 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_0 [2021-11-19 14:29:14,497 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_0 [2021-11-19 14:29:14,497 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_2 [2021-11-19 14:29:14,497 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_2 [2021-11-19 14:29:14,498 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_4 [2021-11-19 14:29:14,498 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_4 [2021-11-19 14:29:14,498 INFO L130 BoogieDeclarations]: Found specification of procedure dma_map_single_attrs [2021-11-19 14:29:14,498 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_map_single_attrs [2021-11-19 14:29:14,498 INFO L130 BoogieDeclarations]: Found specification of procedure sh_eth_set_ringparam [2021-11-19 14:29:14,498 INFO L138 BoogieDeclarations]: Found implementation of procedure sh_eth_set_ringparam [2021-11-19 14:29:14,499 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-19 14:29:14,499 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2021-11-19 14:29:14,499 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2021-11-19 14:29:14,499 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2021-11-19 14:29:14,499 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2021-11-19 14:29:14,499 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-19 14:29:14,499 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2021-11-19 14:29:14,500 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8 [2021-11-19 14:29:14,500 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE2 [2021-11-19 14:29:14,500 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2021-11-19 14:29:14,500 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2021-11-19 14:29:14,500 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4 [2021-11-19 14:29:14,500 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_exclusive_spin_is_locked [2021-11-19 14:29:14,501 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_exclusive_spin_is_locked [2021-11-19 14:29:14,501 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert [2021-11-19 14:29:14,501 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert [2021-11-19 14:29:14,501 INFO L130 BoogieDeclarations]: Found specification of procedure sh_eth_rcv_snd_enable [2021-11-19 14:29:14,501 INFO L138 BoogieDeclarations]: Found implementation of procedure sh_eth_rcv_snd_enable [2021-11-19 14:29:14,501 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_EMGentry_exit_sh_eth_driver_exit_18_2 [2021-11-19 14:29:14,501 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_EMGentry_exit_sh_eth_driver_exit_18_2 [2021-11-19 14:29:14,502 INFO L130 BoogieDeclarations]: Found specification of procedure sh_eth_tsu_get_offset [2021-11-19 14:29:14,502 INFO L138 BoogieDeclarations]: Found implementation of procedure sh_eth_tsu_get_offset [2021-11-19 14:29:14,502 INFO L130 BoogieDeclarations]: Found specification of procedure devm_kzalloc [2021-11-19 14:29:14,502 INFO L138 BoogieDeclarations]: Found implementation of procedure devm_kzalloc [2021-11-19 14:29:14,502 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_spin_lock [2021-11-19 14:29:14,502 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_spin_lock [2021-11-19 14:29:14,503 INFO L130 BoogieDeclarations]: Found specification of procedure napi_disable [2021-11-19 14:29:14,503 INFO L138 BoogieDeclarations]: Found implementation of procedure napi_disable [2021-11-19 14:29:14,503 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2021-11-19 14:29:14,503 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2021-11-19 14:29:14,503 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev [2021-11-19 14:29:14,503 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev [2021-11-19 14:29:14,503 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2021-11-19 14:29:14,504 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2021-11-19 14:29:14,504 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1 [2021-11-19 14:29:14,504 INFO L130 BoogieDeclarations]: Found specification of procedure sh_eth_tsu_get_post_bit [2021-11-19 14:29:14,504 INFO L138 BoogieDeclarations]: Found implementation of procedure sh_eth_tsu_get_post_bit [2021-11-19 14:29:14,504 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-19 14:29:14,504 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-19 14:29:14,505 INFO L130 BoogieDeclarations]: Found specification of procedure free_mdio_bitbang [2021-11-19 14:29:14,505 INFO L138 BoogieDeclarations]: Found implementation of procedure free_mdio_bitbang [2021-11-19 14:29:14,505 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2021-11-19 14:29:14,505 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2021-11-19 14:29:14,505 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2021-11-19 14:29:14,505 INFO L130 BoogieDeclarations]: Found specification of procedure sh_eth_do_ioctl [2021-11-19 14:29:14,505 INFO L138 BoogieDeclarations]: Found implementation of procedure sh_eth_do_ioctl [2021-11-19 14:29:14,506 INFO L130 BoogieDeclarations]: Found specification of procedure sh_eth_tsu_disable_cam_entry_post [2021-11-19 14:29:14,506 INFO L138 BoogieDeclarations]: Found implementation of procedure sh_eth_tsu_disable_cam_entry_post [2021-11-19 14:29:14,506 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8 [2021-11-19 14:29:14,506 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2021-11-19 14:29:14,506 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-11-19 14:29:14,506 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2 [2021-11-19 14:29:14,507 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-11-19 14:29:14,507 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2021-11-19 14:29:14,507 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2021-11-19 14:29:14,507 INFO L130 BoogieDeclarations]: Found specification of procedure sh_eth_drv_probe [2021-11-19 14:29:14,507 INFO L138 BoogieDeclarations]: Found implementation of procedure sh_eth_drv_probe [2021-11-19 14:29:14,507 INFO L130 BoogieDeclarations]: Found specification of procedure sh_eth_read [2021-11-19 14:29:14,507 INFO L138 BoogieDeclarations]: Found implementation of procedure sh_eth_read [2021-11-19 14:29:14,508 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_size_call_parameter [2021-11-19 14:29:14,508 INFO L130 BoogieDeclarations]: Found specification of procedure sh_eth_get_vtag_index [2021-11-19 14:29:14,508 INFO L138 BoogieDeclarations]: Found implementation of procedure sh_eth_get_vtag_index [2021-11-19 14:29:14,508 INFO L130 BoogieDeclarations]: Found specification of procedure sh_eth_get_edtrr_trns [2021-11-19 14:29:14,508 INFO L138 BoogieDeclarations]: Found implementation of procedure sh_eth_get_edtrr_trns [2021-11-19 14:29:14,508 INFO L130 BoogieDeclarations]: Found specification of procedure devm_ioremap_resource [2021-11-19 14:29:14,508 INFO L138 BoogieDeclarations]: Found implementation of procedure devm_ioremap_resource [2021-11-19 14:29:14,509 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-11-19 14:29:14,509 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-11-19 14:29:14,509 INFO L130 BoogieDeclarations]: Found specification of procedure pm_runtime_get_sync [2021-11-19 14:29:14,509 INFO L138 BoogieDeclarations]: Found implementation of procedure pm_runtime_get_sync [2021-11-19 14:29:14,509 INFO L130 BoogieDeclarations]: Found specification of procedure sh_eth_set_duplex [2021-11-19 14:29:14,509 INFO L138 BoogieDeclarations]: Found implementation of procedure sh_eth_set_duplex [2021-11-19 14:29:14,510 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2021-11-19 14:29:14,510 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2021-11-19 14:29:14,510 INFO L130 BoogieDeclarations]: Found specification of procedure sh_eth_tsu_get_post_reg_offset [2021-11-19 14:29:14,510 INFO L138 BoogieDeclarations]: Found implementation of procedure sh_eth_tsu_get_post_reg_offset [2021-11-19 14:29:14,510 INFO L130 BoogieDeclarations]: Found specification of procedure sh_eth_chip_reset_r8a7740 [2021-11-19 14:29:14,510 INFO L138 BoogieDeclarations]: Found implementation of procedure sh_eth_chip_reset_r8a7740 [2021-11-19 14:29:14,511 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_get_drvdata [2021-11-19 14:29:14,511 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_get_drvdata [2021-11-19 14:29:14,511 INFO L130 BoogieDeclarations]: Found specification of procedure sh_eth_chip_reset_giga [2021-11-19 14:29:14,511 INFO L138 BoogieDeclarations]: Found implementation of procedure sh_eth_chip_reset_giga [2021-11-19 14:29:14,511 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2021-11-19 14:29:14,512 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2021-11-19 14:29:14,512 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-19 14:29:14,512 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2021-11-19 14:29:14,512 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2021-11-19 14:29:14,512 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-19 14:29:14,512 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8 [2021-11-19 14:29:14,512 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2021-11-19 14:29:14,513 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2 [2021-11-19 14:29:14,513 INFO L130 BoogieDeclarations]: Found specification of procedure sh_eth_runtime_nop [2021-11-19 14:29:14,513 INFO L138 BoogieDeclarations]: Found implementation of procedure sh_eth_runtime_nop [2021-11-19 14:29:14,513 INFO L130 BoogieDeclarations]: Found specification of procedure __pm_runtime_resume [2021-11-19 14:29:14,513 INFO L138 BoogieDeclarations]: Found implementation of procedure __pm_runtime_resume [2021-11-19 14:29:14,513 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2021-11-19 14:29:14,514 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-11-19 14:29:14,514 INFO L130 BoogieDeclarations]: Found specification of procedure sh_eth_open [2021-11-19 14:29:14,514 INFO L138 BoogieDeclarations]: Found implementation of procedure sh_eth_open [2021-11-19 14:29:14,514 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2021-11-19 14:29:14,514 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2021-11-19 14:29:14,514 INFO L130 BoogieDeclarations]: Found specification of procedure sh_eth_set_multicast_list [2021-11-19 14:29:14,514 INFO L138 BoogieDeclarations]: Found implementation of procedure sh_eth_set_multicast_list [2021-11-19 14:29:14,515 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2021-11-19 14:29:14,515 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2021-11-19 14:29:14,515 INFO L130 BoogieDeclarations]: Found specification of procedure sh_eth_get_msglevel [2021-11-19 14:29:14,515 INFO L138 BoogieDeclarations]: Found implementation of procedure sh_eth_get_msglevel [2021-11-19 14:29:14,515 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_irq [2021-11-19 14:29:14,515 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_irq [2021-11-19 14:29:14,516 INFO L130 BoogieDeclarations]: Found specification of procedure pm_runtime_put_sync [2021-11-19 14:29:14,516 INFO L138 BoogieDeclarations]: Found implementation of procedure pm_runtime_put_sync [2021-11-19 14:29:14,516 INFO L130 BoogieDeclarations]: Found specification of procedure sh_eth_tsu_read_entry [2021-11-19 14:29:14,516 INFO L138 BoogieDeclarations]: Found implementation of procedure sh_eth_tsu_read_entry [2021-11-19 14:29:14,516 INFO L130 BoogieDeclarations]: Found specification of procedure sh_eth_txfree [2021-11-19 14:29:14,516 INFO L138 BoogieDeclarations]: Found implementation of procedure sh_eth_txfree [2021-11-19 14:29:14,517 INFO L130 BoogieDeclarations]: Found specification of procedure sh_eth_get_settings [2021-11-19 14:29:14,517 INFO L138 BoogieDeclarations]: Found implementation of procedure sh_eth_get_settings [2021-11-19 14:29:14,517 INFO L130 BoogieDeclarations]: Found specification of procedure sh_eth_rcv_snd_disable [2021-11-19 14:29:14,517 INFO L138 BoogieDeclarations]: Found implementation of procedure sh_eth_rcv_snd_disable [2021-11-19 14:29:14,517 INFO L130 BoogieDeclarations]: Found specification of procedure skb_reserve [2021-11-19 14:29:14,517 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_reserve [2021-11-19 14:29:14,517 INFO L130 BoogieDeclarations]: Found specification of procedure dma_free_attrs [2021-11-19 14:29:14,518 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_free_attrs [2021-11-19 14:29:14,518 INFO L130 BoogieDeclarations]: Found specification of procedure sh_eth_set_msglevel [2021-11-19 14:29:14,518 INFO L138 BoogieDeclarations]: Found implementation of procedure sh_eth_set_msglevel [2021-11-19 14:29:14,518 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_start_queue [2021-11-19 14:29:14,518 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_start_queue [2021-11-19 14:29:14,518 INFO L130 BoogieDeclarations]: Found specification of procedure sh_eth_drv_remove [2021-11-19 14:29:14,519 INFO L138 BoogieDeclarations]: Found implementation of procedure sh_eth_drv_remove [2021-11-19 14:29:14,519 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2021-11-19 14:29:14,519 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2021-11-19 14:29:14,519 INFO L130 BoogieDeclarations]: Found specification of procedure sh_eth_tsu_read [2021-11-19 14:29:14,519 INFO L138 BoogieDeclarations]: Found implementation of procedure sh_eth_tsu_read [2021-11-19 14:29:14,519 INFO L130 BoogieDeclarations]: Found specification of procedure sh_eth_is_rz_fast_ether [2021-11-19 14:29:14,520 INFO L138 BoogieDeclarations]: Found implementation of procedure sh_eth_is_rz_fast_ether [2021-11-19 14:29:14,520 INFO L130 BoogieDeclarations]: Found specification of procedure bb_set [2021-11-19 14:29:14,520 INFO L138 BoogieDeclarations]: Found implementation of procedure bb_set [2021-11-19 14:29:14,520 INFO L130 BoogieDeclarations]: Found specification of procedure sh_eth_set_settings [2021-11-19 14:29:14,520 INFO L138 BoogieDeclarations]: Found implementation of procedure sh_eth_set_settings [2021-11-19 14:29:14,520 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~C_INT [2021-11-19 14:29:14,520 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~C_INT [2021-11-19 14:29:14,521 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2021-11-19 14:29:14,521 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2021-11-19 14:29:14,521 INFO L130 BoogieDeclarations]: Found specification of procedure sh_eth_get_strings [2021-11-19 14:29:14,521 INFO L138 BoogieDeclarations]: Found implementation of procedure sh_eth_get_strings [2021-11-19 14:29:14,521 INFO L130 BoogieDeclarations]: Found specification of procedure sh_eth_get_ethtool_stats [2021-11-19 14:29:14,521 INFO L138 BoogieDeclarations]: Found implementation of procedure sh_eth_get_ethtool_stats [2021-11-19 14:29:14,522 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2021-11-19 14:29:14,522 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2021-11-19 14:29:14,522 INFO L130 BoogieDeclarations]: Found specification of procedure sh_eth_dev_init [2021-11-19 14:29:14,522 INFO L138 BoogieDeclarations]: Found implementation of procedure sh_eth_dev_init [2021-11-19 14:29:14,522 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_lock_of_sh_eth_private [2021-11-19 14:29:14,522 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_lock_of_sh_eth_private [2021-11-19 14:29:14,522 INFO L130 BoogieDeclarations]: Found specification of procedure sh_eth_get_stats [2021-11-19 14:29:14,523 INFO L138 BoogieDeclarations]: Found implementation of procedure sh_eth_get_stats [2021-11-19 14:29:14,523 INFO L130 BoogieDeclarations]: Found specification of procedure sh_eth_vlan_rx_kill_vid [2021-11-19 14:29:14,523 INFO L138 BoogieDeclarations]: Found implementation of procedure sh_eth_vlan_rx_kill_vid [2021-11-19 14:29:14,523 INFO L130 BoogieDeclarations]: Found specification of procedure sh_eth_set_rate_sh7724 [2021-11-19 14:29:14,523 INFO L138 BoogieDeclarations]: Found implementation of procedure sh_eth_set_rate_sh7724 [2021-11-19 14:29:14,523 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2021-11-19 14:29:14,524 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2 [2021-11-19 14:29:14,524 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1 [2021-11-19 14:29:14,524 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8 [2021-11-19 14:29:14,524 INFO L130 BoogieDeclarations]: Found specification of procedure sh_eth_adjust_link [2021-11-19 14:29:14,524 INFO L138 BoogieDeclarations]: Found implementation of procedure sh_eth_adjust_link [2021-11-19 14:29:14,524 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2021-11-19 14:29:14,524 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2021-11-19 14:29:14,525 INFO L130 BoogieDeclarations]: Found specification of procedure sh_eth_tsu_purge_mcast [2021-11-19 14:29:14,525 INFO L138 BoogieDeclarations]: Found implementation of procedure sh_eth_tsu_purge_mcast [2021-11-19 14:29:14,525 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2021-11-19 14:29:14,525 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2021-11-19 14:29:14,525 INFO L130 BoogieDeclarations]: Found specification of procedure is_multicast_ether_addr [2021-11-19 14:29:14,525 INFO L138 BoogieDeclarations]: Found implementation of procedure is_multicast_ether_addr [2021-11-19 14:29:14,526 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_lock_of_sh_eth_private [2021-11-19 14:29:14,526 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_lock_of_sh_eth_private [2021-11-19 14:29:14,526 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_stop_queue [2021-11-19 14:29:14,526 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_stop_queue [2021-11-19 14:29:14,526 INFO L130 BoogieDeclarations]: Found specification of procedure sh_eth_is_gether [2021-11-19 14:29:14,526 INFO L138 BoogieDeclarations]: Found implementation of procedure sh_eth_is_gether [2021-11-19 14:29:14,526 INFO L130 BoogieDeclarations]: Found specification of procedure PTR_ERR [2021-11-19 14:29:14,527 INFO L138 BoogieDeclarations]: Found implementation of procedure PTR_ERR [2021-11-19 14:29:14,527 INFO L130 BoogieDeclarations]: Found specification of procedure sh_eth_set_rate_sh7757 [2021-11-19 14:29:14,527 INFO L138 BoogieDeclarations]: Found implementation of procedure sh_eth_set_rate_sh7757 [2021-11-19 14:29:14,527 INFO L130 BoogieDeclarations]: Found specification of procedure sh_eth_set_receive_align [2021-11-19 14:29:14,527 INFO L138 BoogieDeclarations]: Found implementation of procedure sh_eth_set_receive_align [2021-11-19 14:29:14,527 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2021-11-19 14:29:14,527 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2021-11-19 14:29:14,528 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2021-11-19 14:29:14,528 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2021-11-19 14:29:14,528 INFO L130 BoogieDeclarations]: Found specification of procedure dma_alloc_attrs [2021-11-19 14:29:14,528 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_alloc_attrs [2021-11-19 14:29:14,528 INFO L130 BoogieDeclarations]: Found specification of procedure sh_eth_tsu_write_entry [2021-11-19 14:29:14,528 INFO L138 BoogieDeclarations]: Found implementation of procedure sh_eth_tsu_write_entry [2021-11-19 14:29:14,528 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2021-11-19 14:29:14,529 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2021-11-19 14:29:14,529 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_netdev [2021-11-19 14:29:14,529 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_netdev [2021-11-19 14:29:15,992 INFO L236 CfgBuilder]: Building ICFG [2021-11-19 14:29:15,997 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-19 14:29:21,363 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2021-11-19 14:32:28,279 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2021-11-19 14:32:28,402 INFO L277 CfgBuilder]: Performing block encoding [2021-11-19 14:32:28,454 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-19 14:32:28,454 INFO L301 CfgBuilder]: Removed 11 assume(true) statements. [2021-11-19 14:32:28,460 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 02:32:28 BoogieIcfgContainer [2021-11-19 14:32:28,460 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-19 14:32:28,462 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-19 14:32:28,462 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-19 14:32:28,465 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-19 14:32:28,466 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 02:29:05" (1/3) ... [2021-11-19 14:32:28,466 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5c52884a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 02:32:28, skipping insertion in model container [2021-11-19 14:32:28,466 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:29:13" (2/3) ... [2021-11-19 14:32:28,467 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5c52884a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 02:32:28, skipping insertion in model container [2021-11-19 14:32:28,467 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 02:32:28" (3/3) ... [2021-11-19 14:32:28,468 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-renesas-sh_eth.cil.i [2021-11-19 14:32:28,474 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-19 14:32:28,475 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-11-19 14:32:28,561 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-19 14:32:28,575 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=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, mLoopAccelerationTechnique=FAST_UPR [2021-11-19 14:32:28,575 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-11-19 14:32:28,682 INFO L276 IsEmpty]: Start isEmpty. Operand has 3388 states, 2358 states have (on average 1.285835453774385) internal successors, (3032), 2422 states have internal predecessors, (3032), 891 states have call successors, (891), 145 states have call predecessors, (891), 144 states have return successors, (880), 854 states have call predecessors, (880), 880 states have call successors, (880) [2021-11-19 14:32:28,786 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 681 [2021-11-19 14:32:28,786 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 14:32:28,788 INFO L514 BasicCegarLoop]: trace histogram [54, 54, 52, 52, 52, 52, 52, 52, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-19 14:32:28,789 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-19 14:32:28,794 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 14:32:28,794 INFO L85 PathProgramCache]: Analyzing trace with hash 2136014456, now seen corresponding path program 1 times [2021-11-19 14:32:28,818 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-19 14:32:28,819 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1982682503] [2021-11-19 14:32:28,819 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 14:32:28,820 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-19 14:32:28,820 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5164530f-7831-42e8-83f3-990b4b30abb9/bin/utaipan-UbGMyvGFUs/mathsat [2021-11-19 14:32:28,823 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5164530f-7831-42e8-83f3-990b4b30abb9/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-19 14:32:28,867 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5164530f-7831-42e8-83f3-990b4b30abb9/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-11-19 14:32:38,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 14:32:39,446 INFO L263 TraceCheckSpWp]: Trace formula consists of 5983 conjuncts, 1 conjunts are in the unsatisfiable core [2021-11-19 14:32:39,484 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-19 14:32:40,722 INFO L134 CoverageAnalysis]: Checked inductivity of 12252 backedges. 162 proven. 0 refuted. 0 times theorem prover too weak. 12090 trivial. 0 not checked. [2021-11-19 14:32:40,722 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-19 14:32:41,966 INFO L134 CoverageAnalysis]: Checked inductivity of 12252 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12252 trivial. 0 not checked. [2021-11-19 14:32:41,968 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-19 14:32:41,969 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1982682503] [2021-11-19 14:32:41,969 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1982682503] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-19 14:32:41,969 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-19 14:32:41,970 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2021-11-19 14:32:41,972 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1022841887] [2021-11-19 14:32:41,975 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-19 14:32:41,983 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-11-19 14:32:41,985 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-19 14:32:42,033 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-11-19 14:32:42,035 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-11-19 14:32:42,047 INFO L87 Difference]: Start difference. First operand has 3388 states, 2358 states have (on average 1.285835453774385) internal successors, (3032), 2422 states have internal predecessors, (3032), 891 states have call successors, (891), 145 states have call predecessors, (891), 144 states have return successors, (880), 854 states have call predecessors, (880), 880 states have call successors, (880) Second operand has 2 states, 2 states have (on average 72.0) internal successors, (144), 2 states have internal predecessors, (144), 2 states have call successors, (74), 2 states have call predecessors, (74), 2 states have return successors, (69), 2 states have call predecessors, (69), 2 states have call successors, (69) [2021-11-19 14:32:42,368 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 14:32:42,368 INFO L93 Difference]: Finished difference Result 6611 states and 9474 transitions. [2021-11-19 14:32:42,369 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-19 14:32:42,371 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 72.0) internal successors, (144), 2 states have internal predecessors, (144), 2 states have call successors, (74), 2 states have call predecessors, (74), 2 states have return successors, (69), 2 states have call predecessors, (69), 2 states have call successors, (69) Word has length 680 [2021-11-19 14:32:42,378 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 14:32:42,442 INFO L225 Difference]: With dead ends: 6611 [2021-11-19 14:32:42,442 INFO L226 Difference]: Without dead ends: 3294 [2021-11-19 14:32:42,477 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 1358 GetRequests, 1358 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-11-19 14:32:42,483 INFO L933 BasicCegarLoop]: 4712 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 4712 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-11-19 14:32:42,484 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 4712 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-11-19 14:32:42,510 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3294 states. [2021-11-19 14:32:42,766 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3294 to 3294. [2021-11-19 14:32:42,777 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3294 states, 2298 states have (on average 1.2745865970409052) internal successors, (2929), 2353 states have internal predecessors, (2929), 853 states have call successors, (853), 142 states have call predecessors, (853), 142 states have return successors, (853), 827 states have call predecessors, (853), 853 states have call successors, (853) [2021-11-19 14:32:42,817 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3294 states to 3294 states and 4635 transitions. [2021-11-19 14:32:42,822 INFO L78 Accepts]: Start accepts. Automaton has 3294 states and 4635 transitions. Word has length 680 [2021-11-19 14:32:42,827 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 14:32:42,827 INFO L470 AbstractCegarLoop]: Abstraction has 3294 states and 4635 transitions. [2021-11-19 14:32:42,828 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 72.0) internal successors, (144), 2 states have internal predecessors, (144), 2 states have call successors, (74), 2 states have call predecessors, (74), 2 states have return successors, (69), 2 states have call predecessors, (69), 2 states have call successors, (69) [2021-11-19 14:32:42,828 INFO L276 IsEmpty]: Start isEmpty. Operand 3294 states and 4635 transitions. [2021-11-19 14:32:42,877 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 681 [2021-11-19 14:32:42,878 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 14:32:42,879 INFO L514 BasicCegarLoop]: trace histogram [54, 54, 52, 52, 52, 52, 52, 52, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-19 14:32:43,039 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5164530f-7831-42e8-83f3-990b4b30abb9/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2021-11-19 14:32:43,093 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5164530f-7831-42e8-83f3-990b4b30abb9/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 [2021-11-19 14:32:43,093 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-19 14:32:43,094 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 14:32:43,094 INFO L85 PathProgramCache]: Analyzing trace with hash -230680138, now seen corresponding path program 1 times [2021-11-19 14:32:43,105 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-19 14:32:43,106 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [940211288] [2021-11-19 14:32:43,106 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 14:32:43,106 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-19 14:32:43,107 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5164530f-7831-42e8-83f3-990b4b30abb9/bin/utaipan-UbGMyvGFUs/mathsat [2021-11-19 14:32:43,108 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5164530f-7831-42e8-83f3-990b4b30abb9/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-19 14:32:43,154 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5164530f-7831-42e8-83f3-990b4b30abb9/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2021-11-19 14:32:52,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 14:32:53,531 INFO L263 TraceCheckSpWp]: Trace formula consists of 5983 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-19 14:32:53,555 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-19 14:32:54,766 INFO L134 CoverageAnalysis]: Checked inductivity of 12252 backedges. 315 proven. 0 refuted. 0 times theorem prover too weak. 11937 trivial. 0 not checked. [2021-11-19 14:32:54,767 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-19 14:32:56,460 INFO L134 CoverageAnalysis]: Checked inductivity of 12252 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12252 trivial. 0 not checked. [2021-11-19 14:32:56,461 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-19 14:32:56,461 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [940211288] [2021-11-19 14:32:56,461 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [940211288] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-19 14:32:56,461 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-19 14:32:56,462 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2021-11-19 14:32:56,462 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [117716713] [2021-11-19 14:32:56,462 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-19 14:32:56,466 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-19 14:32:56,466 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-19 14:32:56,466 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-19 14:32:56,467 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-19 14:32:56,467 INFO L87 Difference]: Start difference. First operand 3294 states and 4635 transitions. Second operand has 4 states, 4 states have (on average 43.0) internal successors, (172), 4 states have internal predecessors, (172), 4 states have call successors, (80), 3 states have call predecessors, (80), 3 states have return successors, (75), 4 states have call predecessors, (75), 4 states have call successors, (75) [2021-11-19 14:32:58,965 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.49s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-19 14:33:08,763 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 14:33:08,763 INFO L93 Difference]: Finished difference Result 12448 states and 17498 transitions. [2021-11-19 14:33:08,764 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-19 14:33:08,765 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 43.0) internal successors, (172), 4 states have internal predecessors, (172), 4 states have call successors, (80), 3 states have call predecessors, (80), 3 states have return successors, (75), 4 states have call predecessors, (75), 4 states have call successors, (75) Word has length 680 [2021-11-19 14:33:08,766 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 14:33:08,865 INFO L225 Difference]: With dead ends: 12448 [2021-11-19 14:33:08,866 INFO L226 Difference]: Without dead ends: 9263 [2021-11-19 14:33:08,896 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 1358 GetRequests, 1356 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-19 14:33:08,897 INFO L933 BasicCegarLoop]: 6724 mSDtfsCounter, 8724 mSDsluCounter, 8622 mSDsCounter, 0 mSdLazyCounter, 1860 mSolverCounterSat, 64 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 10.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8724 SdHoareTripleChecker+Valid, 15346 SdHoareTripleChecker+Invalid, 1925 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 64 IncrementalHoareTripleChecker+Valid, 1860 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 11.6s IncrementalHoareTripleChecker+Time [2021-11-19 14:33:08,897 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [8724 Valid, 15346 Invalid, 1925 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [64 Valid, 1860 Invalid, 1 Unknown, 0 Unchecked, 11.6s Time] [2021-11-19 14:33:08,917 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9263 states. [2021-11-19 14:33:09,409 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9263 to 9255. [2021-11-19 14:33:09,449 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9255 states, 6449 states have (on average 1.2749263451697939) internal successors, (8222), 6618 states have internal predecessors, (8222), 2383 states have call successors, (2383), 422 states have call predecessors, (2383), 422 states have return successors, (2383), 2301 states have call predecessors, (2383), 2383 states have call successors, (2383) [2021-11-19 14:33:09,522 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9255 states to 9255 states and 12988 transitions. [2021-11-19 14:33:09,524 INFO L78 Accepts]: Start accepts. Automaton has 9255 states and 12988 transitions. Word has length 680 [2021-11-19 14:33:09,526 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 14:33:09,526 INFO L470 AbstractCegarLoop]: Abstraction has 9255 states and 12988 transitions. [2021-11-19 14:33:09,527 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 43.0) internal successors, (172), 4 states have internal predecessors, (172), 4 states have call successors, (80), 3 states have call predecessors, (80), 3 states have return successors, (75), 4 states have call predecessors, (75), 4 states have call successors, (75) [2021-11-19 14:33:09,527 INFO L276 IsEmpty]: Start isEmpty. Operand 9255 states and 12988 transitions. [2021-11-19 14:33:09,605 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 696 [2021-11-19 14:33:09,605 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 14:33:09,605 INFO L514 BasicCegarLoop]: trace histogram [53, 53, 52, 52, 52, 52, 52, 52, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-19 14:33:09,787 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5164530f-7831-42e8-83f3-990b4b30abb9/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (3)] Ended with exit code 0 [2021-11-19 14:33:09,818 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5164530f-7831-42e8-83f3-990b4b30abb9/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 [2021-11-19 14:33:09,819 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-19 14:33:09,819 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 14:33:09,820 INFO L85 PathProgramCache]: Analyzing trace with hash 557770280, now seen corresponding path program 1 times [2021-11-19 14:33:09,826 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-19 14:33:09,827 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1627978497] [2021-11-19 14:33:09,827 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 14:33:09,827 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-19 14:33:09,827 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5164530f-7831-42e8-83f3-990b4b30abb9/bin/utaipan-UbGMyvGFUs/mathsat [2021-11-19 14:33:09,828 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5164530f-7831-42e8-83f3-990b4b30abb9/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-19 14:33:09,873 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5164530f-7831-42e8-83f3-990b4b30abb9/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2021-11-19 14:33:19,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 14:33:20,166 INFO L263 TraceCheckSpWp]: Trace formula consists of 5873 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-19 14:33:20,187 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-19 14:33:21,588 INFO L134 CoverageAnalysis]: Checked inductivity of 12102 backedges. 156 proven. 0 refuted. 0 times theorem prover too weak. 11946 trivial. 0 not checked. [2021-11-19 14:33:21,589 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-19 14:33:23,039 INFO L134 CoverageAnalysis]: Checked inductivity of 12102 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12102 trivial. 0 not checked. [2021-11-19 14:33:23,039 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-19 14:33:23,040 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1627978497] [2021-11-19 14:33:23,040 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1627978497] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-19 14:33:23,040 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-19 14:33:23,041 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 3 [2021-11-19 14:33:23,041 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1760559358] [2021-11-19 14:33:23,041 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-19 14:33:23,042 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-19 14:33:23,043 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-19 14:33:23,043 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-19 14:33:23,043 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-19 14:33:23,044 INFO L87 Difference]: Start difference. First operand 9255 states and 12988 transitions. Second operand has 3 states, 3 states have (on average 58.0) internal successors, (174), 3 states have internal predecessors, (174), 3 states have call successors, (79), 3 states have call predecessors, (79), 3 states have return successors, (75), 3 states have call predecessors, (75), 3 states have call successors, (75) [2021-11-19 14:33:25,533 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.48s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-19 14:33:26,540 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 14:33:26,541 INFO L93 Difference]: Finished difference Result 27169 states and 38160 transitions. [2021-11-19 14:33:26,541 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-19 14:33:26,542 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 58.0) internal successors, (174), 3 states have internal predecessors, (174), 3 states have call successors, (79), 3 states have call predecessors, (79), 3 states have return successors, (75), 3 states have call predecessors, (75), 3 states have call successors, (75) Word has length 695 [2021-11-19 14:33:26,543 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 14:33:26,741 INFO L225 Difference]: With dead ends: 27169 [2021-11-19 14:33:26,741 INFO L226 Difference]: Without dead ends: 18023 [2021-11-19 14:33:26,816 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 1388 GetRequests, 1387 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-19 14:33:26,820 INFO L933 BasicCegarLoop]: 5444 mSDtfsCounter, 4299 mSDsluCounter, 4567 mSDsCounter, 0 mSdLazyCounter, 90 mSolverCounterSat, 7 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4299 SdHoareTripleChecker+Valid, 10011 SdHoareTripleChecker+Invalid, 98 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 90 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.9s IncrementalHoareTripleChecker+Time [2021-11-19 14:33:26,821 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4299 Valid, 10011 Invalid, 98 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 90 Invalid, 1 Unknown, 0 Unchecked, 2.9s Time] [2021-11-19 14:33:26,856 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18023 states. [2021-11-19 14:33:27,988 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18023 to 18015. [2021-11-19 14:33:28,020 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18015 states, 12549 states have (on average 1.275639493186708) internal successors, (16008), 12887 states have internal predecessors, (16008), 4621 states have call successors, (4621), 844 states have call predecessors, (4621), 844 states have return successors, (4682), 4457 states have call predecessors, (4682), 4621 states have call successors, (4682) [2021-11-19 14:33:28,118 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18015 states to 18015 states and 25311 transitions. [2021-11-19 14:33:28,123 INFO L78 Accepts]: Start accepts. Automaton has 18015 states and 25311 transitions. Word has length 695 [2021-11-19 14:33:28,126 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 14:33:28,126 INFO L470 AbstractCegarLoop]: Abstraction has 18015 states and 25311 transitions. [2021-11-19 14:33:28,127 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 58.0) internal successors, (174), 3 states have internal predecessors, (174), 3 states have call successors, (79), 3 states have call predecessors, (79), 3 states have return successors, (75), 3 states have call predecessors, (75), 3 states have call successors, (75) [2021-11-19 14:33:28,129 INFO L276 IsEmpty]: Start isEmpty. Operand 18015 states and 25311 transitions. [2021-11-19 14:33:28,186 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 699 [2021-11-19 14:33:28,186 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 14:33:28,187 INFO L514 BasicCegarLoop]: trace histogram [53, 53, 52, 52, 52, 52, 52, 52, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-19 14:33:28,394 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5164530f-7831-42e8-83f3-990b4b30abb9/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2021-11-19 14:33:28,408 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5164530f-7831-42e8-83f3-990b4b30abb9/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 [2021-11-19 14:33:28,409 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-19 14:33:28,409 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 14:33:28,409 INFO L85 PathProgramCache]: Analyzing trace with hash -1778054950, now seen corresponding path program 1 times [2021-11-19 14:33:28,418 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-19 14:33:28,418 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [294509136] [2021-11-19 14:33:28,418 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 14:33:28,419 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-19 14:33:28,419 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5164530f-7831-42e8-83f3-990b4b30abb9/bin/utaipan-UbGMyvGFUs/mathsat [2021-11-19 14:33:28,420 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5164530f-7831-42e8-83f3-990b4b30abb9/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-19 14:33:28,423 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5164530f-7831-42e8-83f3-990b4b30abb9/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2021-11-19 14:33:37,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 14:33:38,454 INFO L263 TraceCheckSpWp]: Trace formula consists of 5876 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-19 14:33:38,471 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-19 14:33:39,797 INFO L134 CoverageAnalysis]: Checked inductivity of 12102 backedges. 156 proven. 0 refuted. 0 times theorem prover too weak. 11946 trivial. 0 not checked. [2021-11-19 14:33:39,798 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-19 14:33:41,146 INFO L134 CoverageAnalysis]: Checked inductivity of 12102 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12102 trivial. 0 not checked. [2021-11-19 14:33:41,146 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-19 14:33:41,147 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [294509136] [2021-11-19 14:33:41,147 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [294509136] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-19 14:33:41,147 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-19 14:33:41,147 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 3 [2021-11-19 14:33:41,148 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [557500299] [2021-11-19 14:33:41,148 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-19 14:33:41,149 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-19 14:33:41,149 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-19 14:33:41,150 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-19 14:33:41,150 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-19 14:33:41,150 INFO L87 Difference]: Start difference. First operand 18015 states and 25311 transitions. Second operand has 3 states, 3 states have (on average 59.0) internal successors, (177), 3 states have internal predecessors, (177), 3 states have call successors, (79), 3 states have call predecessors, (79), 3 states have return successors, (75), 3 states have call predecessors, (75), 3 states have call successors, (75) [2021-11-19 14:33:43,622 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.47s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-19 14:33:45,304 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 14:33:45,304 INFO L93 Difference]: Finished difference Result 53071 states and 74697 transitions. [2021-11-19 14:33:45,305 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-19 14:33:45,305 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 59.0) internal successors, (177), 3 states have internal predecessors, (177), 3 states have call successors, (79), 3 states have call predecessors, (79), 3 states have return successors, (75), 3 states have call predecessors, (75), 3 states have call successors, (75) Word has length 698 [2021-11-19 14:33:45,307 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 14:33:45,568 INFO L225 Difference]: With dead ends: 53071 [2021-11-19 14:33:45,568 INFO L226 Difference]: Without dead ends: 35165 [2021-11-19 14:33:45,675 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 1394 GetRequests, 1393 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-19 14:33:45,677 INFO L933 BasicCegarLoop]: 5444 mSDtfsCounter, 4296 mSDsluCounter, 4567 mSDsCounter, 0 mSdLazyCounter, 90 mSolverCounterSat, 7 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4296 SdHoareTripleChecker+Valid, 10011 SdHoareTripleChecker+Invalid, 98 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 90 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.8s IncrementalHoareTripleChecker+Time [2021-11-19 14:33:45,679 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4296 Valid, 10011 Invalid, 98 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 90 Invalid, 1 Unknown, 0 Unchecked, 2.8s Time] [2021-11-19 14:33:45,735 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35165 states. [2021-11-19 14:33:47,750 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35165 to 35151. [2021-11-19 14:33:47,809 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 35151 states, 24458 states have (on average 1.2757379998364544) internal successors, (31202), 25134 states have internal predecessors, (31202), 9004 states have call successors, (9004), 1688 states have call predecessors, (9004), 1688 states have return successors, (9298), 8676 states have call predecessors, (9298), 9004 states have call successors, (9298) [2021-11-19 14:33:48,007 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35151 states to 35151 states and 49504 transitions. [2021-11-19 14:33:48,018 INFO L78 Accepts]: Start accepts. Automaton has 35151 states and 49504 transitions. Word has length 698 [2021-11-19 14:33:48,020 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 14:33:48,020 INFO L470 AbstractCegarLoop]: Abstraction has 35151 states and 49504 transitions. [2021-11-19 14:33:48,020 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 59.0) internal successors, (177), 3 states have internal predecessors, (177), 3 states have call successors, (79), 3 states have call predecessors, (79), 3 states have return successors, (75), 3 states have call predecessors, (75), 3 states have call successors, (75) [2021-11-19 14:33:48,020 INFO L276 IsEmpty]: Start isEmpty. Operand 35151 states and 49504 transitions. [2021-11-19 14:33:48,069 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 698 [2021-11-19 14:33:48,070 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 14:33:48,071 INFO L514 BasicCegarLoop]: trace histogram [53, 53, 52, 52, 52, 52, 52, 52, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-19 14:33:48,286 WARN L435 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5164530f-7831-42e8-83f3-990b4b30abb9/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (5)] Forcibly destroying the process [2021-11-19 14:33:48,287 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5164530f-7831-42e8-83f3-990b4b30abb9/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 [2021-11-19 14:33:48,287 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-19 14:33:48,287 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 14:33:48,288 INFO L85 PathProgramCache]: Analyzing trace with hash -1326891833, now seen corresponding path program 1 times [2021-11-19 14:33:48,295 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-19 14:33:48,296 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [311161627] [2021-11-19 14:33:48,296 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 14:33:48,296 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-19 14:33:48,296 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5164530f-7831-42e8-83f3-990b4b30abb9/bin/utaipan-UbGMyvGFUs/mathsat [2021-11-19 14:33:48,297 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5164530f-7831-42e8-83f3-990b4b30abb9/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2021-11-19 14:33:48,298 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5164530f-7831-42e8-83f3-990b4b30abb9/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-19 14:33:48,339 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5164530f-7831-42e8-83f3-990b4b30abb9/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2021-11-19 14:33:57,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 14:33:58,567 INFO L263 TraceCheckSpWp]: Trace formula consists of 5875 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-19 14:33:58,584 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-19 14:33:59,972 INFO L134 CoverageAnalysis]: Checked inductivity of 12102 backedges. 156 proven. 0 refuted. 0 times theorem prover too weak. 11946 trivial. 0 not checked. [2021-11-19 14:33:59,972 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-19 14:34:01,552 INFO L134 CoverageAnalysis]: Checked inductivity of 12102 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12102 trivial. 0 not checked. [2021-11-19 14:34:01,552 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-19 14:34:01,552 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [311161627] [2021-11-19 14:34:01,552 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [311161627] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-19 14:34:01,553 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-19 14:34:01,553 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 3 [2021-11-19 14:34:01,553 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [727240333] [2021-11-19 14:34:01,553 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-19 14:34:01,555 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-19 14:34:01,555 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-19 14:34:01,556 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-19 14:34:01,556 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-19 14:34:01,556 INFO L87 Difference]: Start difference. First operand 35151 states and 49504 transitions. Second operand has 3 states, 3 states have (on average 58.666666666666664) internal successors, (176), 3 states have internal predecessors, (176), 3 states have call successors, (79), 3 states have call predecessors, (79), 3 states have return successors, (75), 3 states have call predecessors, (75), 3 states have call successors, (75) [2021-11-19 14:34:04,175 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.61s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-19 14:34:07,046 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 14:34:07,047 INFO L93 Difference]: Finished difference Result 103723 states and 146462 transitions. [2021-11-19 14:34:07,047 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-19 14:34:07,048 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 58.666666666666664) internal successors, (176), 3 states have internal predecessors, (176), 3 states have call successors, (79), 3 states have call predecessors, (79), 3 states have return successors, (75), 3 states have call predecessors, (75), 3 states have call successors, (75) Word has length 697 [2021-11-19 14:34:07,049 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 14:34:07,687 INFO L225 Difference]: With dead ends: 103723 [2021-11-19 14:34:07,687 INFO L226 Difference]: Without dead ends: 68681 [2021-11-19 14:34:07,854 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 1392 GetRequests, 1391 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-19 14:34:07,855 INFO L933 BasicCegarLoop]: 5444 mSDtfsCounter, 4297 mSDsluCounter, 4567 mSDsCounter, 0 mSdLazyCounter, 90 mSolverCounterSat, 7 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4297 SdHoareTripleChecker+Valid, 10011 SdHoareTripleChecker+Invalid, 98 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 90 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.0s IncrementalHoareTripleChecker+Time [2021-11-19 14:34:07,855 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4297 Valid, 10011 Invalid, 98 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 90 Invalid, 1 Unknown, 0 Unchecked, 3.0s Time] [2021-11-19 14:34:07,927 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 68681 states. [2021-11-19 14:34:11,568 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 68681 to 68655. [2021-11-19 14:34:11,652 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 68655 states, 47694 states have (on average 1.2755063530003774) internal successors, (60834), 49046 states have internal predecessors, (60834), 17584 states have call successors, (17584), 3376 states have call predecessors, (17584), 3376 states have return successors, (18616), 16928 states have call predecessors, (18616), 17584 states have call successors, (18616) [2021-11-19 14:34:12,392 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68655 states to 68655 states and 97034 transitions. [2021-11-19 14:34:12,416 INFO L78 Accepts]: Start accepts. Automaton has 68655 states and 97034 transitions. Word has length 697 [2021-11-19 14:34:12,417 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 14:34:12,417 INFO L470 AbstractCegarLoop]: Abstraction has 68655 states and 97034 transitions. [2021-11-19 14:34:12,418 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 58.666666666666664) internal successors, (176), 3 states have internal predecessors, (176), 3 states have call successors, (79), 3 states have call predecessors, (79), 3 states have return successors, (75), 3 states have call predecessors, (75), 3 states have call successors, (75) [2021-11-19 14:34:12,418 INFO L276 IsEmpty]: Start isEmpty. Operand 68655 states and 97034 transitions. [2021-11-19 14:34:12,448 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 695 [2021-11-19 14:34:12,448 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 14:34:12,449 INFO L514 BasicCegarLoop]: trace histogram [53, 53, 52, 52, 52, 52, 52, 52, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-19 14:34:12,625 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5164530f-7831-42e8-83f3-990b4b30abb9/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (6)] Ended with exit code 0 [2021-11-19 14:34:12,650 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5164530f-7831-42e8-83f3-990b4b30abb9/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 [2021-11-19 14:34:12,650 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-19 14:34:12,651 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 14:34:12,651 INFO L85 PathProgramCache]: Analyzing trace with hash 261474652, now seen corresponding path program 1 times [2021-11-19 14:34:12,656 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-19 14:34:12,656 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1067694266] [2021-11-19 14:34:12,656 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 14:34:12,656 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-19 14:34:12,657 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5164530f-7831-42e8-83f3-990b4b30abb9/bin/utaipan-UbGMyvGFUs/mathsat [2021-11-19 14:34:12,657 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5164530f-7831-42e8-83f3-990b4b30abb9/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-19 14:34:12,662 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5164530f-7831-42e8-83f3-990b4b30abb9/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2021-11-19 14:34:22,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 14:34:22,715 INFO L263 TraceCheckSpWp]: Trace formula consists of 5872 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-19 14:34:22,734 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-19 14:34:24,232 INFO L134 CoverageAnalysis]: Checked inductivity of 12102 backedges. 156 proven. 0 refuted. 0 times theorem prover too weak. 11946 trivial. 0 not checked. [2021-11-19 14:34:24,232 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-19 14:34:25,921 INFO L134 CoverageAnalysis]: Checked inductivity of 12102 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12102 trivial. 0 not checked. [2021-11-19 14:34:25,923 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-19 14:34:25,924 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1067694266] [2021-11-19 14:34:25,924 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1067694266] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-19 14:34:25,924 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-19 14:34:25,925 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 3 [2021-11-19 14:34:25,925 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1001479574] [2021-11-19 14:34:25,925 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-19 14:34:25,927 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-19 14:34:25,927 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-19 14:34:25,927 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-19 14:34:25,929 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-19 14:34:25,929 INFO L87 Difference]: Start difference. First operand 68655 states and 97034 transitions. Second operand has 3 states, 3 states have (on average 57.666666666666664) internal successors, (173), 3 states have internal predecessors, (173), 3 states have call successors, (79), 3 states have call predecessors, (79), 3 states have return successors, (75), 3 states have call predecessors, (75), 3 states have call successors, (75) [2021-11-19 14:34:28,428 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.49s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-19 14:34:33,193 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 14:34:33,194 INFO L93 Difference]: Finished difference Result 202723 states and 287524 transitions. [2021-11-19 14:34:33,194 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-19 14:34:33,194 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 57.666666666666664) internal successors, (173), 3 states have internal predecessors, (173), 3 states have call successors, (79), 3 states have call predecessors, (79), 3 states have return successors, (75), 3 states have call predecessors, (75), 3 states have call successors, (75) Word has length 694 [2021-11-19 14:34:33,195 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 14:34:34,286 INFO L225 Difference]: With dead ends: 202723 [2021-11-19 14:34:34,286 INFO L226 Difference]: Without dead ends: 134177 [2021-11-19 14:34:34,910 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 1386 GetRequests, 1385 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-19 14:34:34,911 INFO L933 BasicCegarLoop]: 5445 mSDtfsCounter, 4300 mSDsluCounter, 4567 mSDsCounter, 0 mSdLazyCounter, 90 mSolverCounterSat, 7 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4300 SdHoareTripleChecker+Valid, 10012 SdHoareTripleChecker+Invalid, 98 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 90 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.8s IncrementalHoareTripleChecker+Time [2021-11-19 14:34:34,911 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4300 Valid, 10012 Invalid, 98 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 90 Invalid, 1 Unknown, 0 Unchecked, 2.8s Time] [2021-11-19 14:34:35,074 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 134177 states. [2021-11-19 14:34:41,386 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 134177 to 134127. [2021-11-19 14:34:41,586 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 134127 states, 93002 states have (on average 1.2750908582611127) internal successors, (118586), 95706 states have internal predecessors, (118586), 34372 states have call successors, (34372), 6752 states have call predecessors, (34372), 6752 states have return successors, (37524), 33060 states have call predecessors, (37524), 34372 states have call successors, (37524) [2021-11-19 14:34:42,880 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 134127 states to 134127 states and 190482 transitions. [2021-11-19 14:34:42,927 INFO L78 Accepts]: Start accepts. Automaton has 134127 states and 190482 transitions. Word has length 694 [2021-11-19 14:34:42,930 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 14:34:42,930 INFO L470 AbstractCegarLoop]: Abstraction has 134127 states and 190482 transitions. [2021-11-19 14:34:42,931 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 57.666666666666664) internal successors, (173), 3 states have internal predecessors, (173), 3 states have call successors, (79), 3 states have call predecessors, (79), 3 states have return successors, (75), 3 states have call predecessors, (75), 3 states have call successors, (75) [2021-11-19 14:34:42,931 INFO L276 IsEmpty]: Start isEmpty. Operand 134127 states and 190482 transitions. [2021-11-19 14:34:42,959 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 697 [2021-11-19 14:34:42,959 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 14:34:42,960 INFO L514 BasicCegarLoop]: trace histogram [53, 53, 52, 52, 52, 52, 52, 52, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-19 14:34:43,128 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5164530f-7831-42e8-83f3-990b4b30abb9/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (7)] Ended with exit code 0 [2021-11-19 14:34:43,174 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5164530f-7831-42e8-83f3-990b4b30abb9/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 [2021-11-19 14:34:43,175 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-19 14:34:43,175 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 14:34:43,175 INFO L85 PathProgramCache]: Analyzing trace with hash -392357093, now seen corresponding path program 1 times [2021-11-19 14:34:43,180 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-19 14:34:43,181 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [834093425] [2021-11-19 14:34:43,181 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 14:34:43,181 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-19 14:34:43,181 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5164530f-7831-42e8-83f3-990b4b30abb9/bin/utaipan-UbGMyvGFUs/mathsat [2021-11-19 14:34:43,182 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5164530f-7831-42e8-83f3-990b4b30abb9/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-19 14:34:43,183 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5164530f-7831-42e8-83f3-990b4b30abb9/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (8)] Waiting until timeout for monitored process [2021-11-19 14:34:52,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 14:34:53,437 INFO L263 TraceCheckSpWp]: Trace formula consists of 5874 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-19 14:34:53,458 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-19 14:34:55,012 INFO L134 CoverageAnalysis]: Checked inductivity of 12102 backedges. 156 proven. 0 refuted. 0 times theorem prover too weak. 11946 trivial. 0 not checked. [2021-11-19 14:34:55,013 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-19 14:34:56,460 INFO L134 CoverageAnalysis]: Checked inductivity of 12102 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12102 trivial. 0 not checked. [2021-11-19 14:34:56,460 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-19 14:34:56,460 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [834093425] [2021-11-19 14:34:56,461 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [834093425] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-19 14:34:56,461 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-19 14:34:56,461 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 3 [2021-11-19 14:34:56,462 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [384142971] [2021-11-19 14:34:56,462 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-19 14:34:56,463 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-19 14:34:56,463 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-19 14:34:56,464 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-19 14:34:56,464 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-19 14:34:56,464 INFO L87 Difference]: Start difference. First operand 134127 states and 190482 transitions. Second operand has 3 states, 3 states have (on average 58.333333333333336) internal successors, (175), 3 states have internal predecessors, (175), 3 states have call successors, (79), 3 states have call predecessors, (79), 3 states have return successors, (75), 3 states have call predecessors, (75), 3 states have call successors, (75) [2021-11-19 14:34:58,979 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.51s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-19 14:35:08,631 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 14:35:08,632 INFO L93 Difference]: Finished difference Result 396115 states and 565012 transitions. [2021-11-19 14:35:08,632 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-19 14:35:08,632 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 58.333333333333336) internal successors, (175), 3 states have internal predecessors, (175), 3 states have call successors, (79), 3 states have call predecessors, (79), 3 states have return successors, (75), 3 states have call predecessors, (75), 3 states have call successors, (75) Word has length 696 [2021-11-19 14:35:08,634 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 14:35:10,468 INFO L225 Difference]: With dead ends: 396115 [2021-11-19 14:35:10,468 INFO L226 Difference]: Without dead ends: 262097 [2021-11-19 14:35:10,983 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 1390 GetRequests, 1389 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-19 14:35:10,984 INFO L933 BasicCegarLoop]: 5444 mSDtfsCounter, 4298 mSDsluCounter, 4567 mSDsCounter, 0 mSdLazyCounter, 90 mSolverCounterSat, 7 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4298 SdHoareTripleChecker+Valid, 10011 SdHoareTripleChecker+Invalid, 98 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 90 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.8s IncrementalHoareTripleChecker+Time [2021-11-19 14:35:10,985 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4298 Valid, 10011 Invalid, 98 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 90 Invalid, 1 Unknown, 0 Unchecked, 2.8s Time] [2021-11-19 14:35:11,243 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 262097 states.