./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--net--ppp--pppox.ko-entry_point.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 839c364b Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f225346b-ca83-4416-8b7d-e64e2dd8e1d6/bin/uautomizer-DrprNOufMa/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f225346b-ca83-4416-8b7d-e64e2dd8e1d6/bin/uautomizer-DrprNOufMa/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f225346b-ca83-4416-8b7d-e64e2dd8e1d6/bin/uautomizer-DrprNOufMa/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f225346b-ca83-4416-8b7d-e64e2dd8e1d6/bin/uautomizer-DrprNOufMa/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--net--ppp--pppox.ko-entry_point.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f225346b-ca83-4416-8b7d-e64e2dd8e1d6/bin/uautomizer-DrprNOufMa/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f225346b-ca83-4416-8b7d-e64e2dd8e1d6/bin/uautomizer-DrprNOufMa --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash f91d2143e2aa98b5d48c7de2c4b17a3507ecfb748f26bae9be6d0588f4557bb1 --- Real Ultimate output --- This is Ultimate 0.2.2-hotfix-svcomp22-839c364 [2021-12-07 00:23:58,933 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-07 00:23:58,934 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-07 00:23:58,956 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-07 00:23:58,957 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-07 00:23:58,957 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-07 00:23:58,959 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-07 00:23:58,960 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-07 00:23:58,962 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-07 00:23:58,963 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-07 00:23:58,963 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-07 00:23:58,964 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-07 00:23:58,965 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-07 00:23:58,966 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-07 00:23:58,967 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-07 00:23:58,968 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-07 00:23:58,968 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-07 00:23:58,969 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-07 00:23:58,971 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-07 00:23:58,973 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-07 00:23:58,974 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-07 00:23:58,975 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-07 00:23:58,977 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-07 00:23:58,978 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-07 00:23:58,982 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-07 00:23:58,982 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-07 00:23:58,982 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-07 00:23:58,983 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-07 00:23:58,984 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-07 00:23:58,985 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-07 00:23:58,985 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-07 00:23:58,986 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-07 00:23:58,987 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-07 00:23:58,988 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-07 00:23:58,989 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-07 00:23:58,989 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-07 00:23:58,990 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-07 00:23:58,990 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-07 00:23:58,990 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-07 00:23:58,991 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-07 00:23:58,992 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-07 00:23:58,993 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f225346b-ca83-4416-8b7d-e64e2dd8e1d6/bin/uautomizer-DrprNOufMa/config/svcomp-Reach-64bit-Automizer_Default.epf [2021-12-07 00:23:59,017 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-07 00:23:59,018 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-07 00:23:59,018 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-07 00:23:59,018 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-07 00:23:59,018 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-07 00:23:59,019 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-07 00:23:59,019 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-07 00:23:59,019 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-07 00:23:59,019 INFO L138 SettingsManager]: * Use SBE=true [2021-12-07 00:23:59,019 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-07 00:23:59,019 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-07 00:23:59,020 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-07 00:23:59,020 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-07 00:23:59,020 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-07 00:23:59,020 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-07 00:23:59,020 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-07 00:23:59,020 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-07 00:23:59,020 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-07 00:23:59,020 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-07 00:23:59,020 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-07 00:23:59,020 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-07 00:23:59,021 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-07 00:23:59,021 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-07 00:23:59,021 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-07 00:23:59,021 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-07 00:23:59,021 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-07 00:23:59,021 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-07 00:23:59,021 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-07 00:23:59,021 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-07 00:23:59,021 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-07 00:23:59,022 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-07 00:23:59,022 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f225346b-ca83-4416-8b7d-e64e2dd8e1d6/bin/uautomizer-DrprNOufMa/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f225346b-ca83-4416-8b7d-e64e2dd8e1d6/bin/uautomizer-DrprNOufMa Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f91d2143e2aa98b5d48c7de2c4b17a3507ecfb748f26bae9be6d0588f4557bb1 [2021-12-07 00:23:59,191 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-07 00:23:59,206 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-07 00:23:59,208 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-07 00:23:59,209 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-07 00:23:59,210 INFO L275 PluginConnector]: CDTParser initialized [2021-12-07 00:23:59,210 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f225346b-ca83-4416-8b7d-e64e2dd8e1d6/bin/uautomizer-DrprNOufMa/../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--net--ppp--pppox.ko-entry_point.cil.out.i [2021-12-07 00:23:59,259 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f225346b-ca83-4416-8b7d-e64e2dd8e1d6/bin/uautomizer-DrprNOufMa/data/255d8a590/579e95bf611b425099740a21fb58146d/FLAGcca10cdf6 [2021-12-07 00:23:59,874 INFO L306 CDTParser]: Found 1 translation units. [2021-12-07 00:23:59,874 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f225346b-ca83-4416-8b7d-e64e2dd8e1d6/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--net--ppp--pppox.ko-entry_point.cil.out.i [2021-12-07 00:23:59,914 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f225346b-ca83-4416-8b7d-e64e2dd8e1d6/bin/uautomizer-DrprNOufMa/data/255d8a590/579e95bf611b425099740a21fb58146d/FLAGcca10cdf6 [2021-12-07 00:24:00,304 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f225346b-ca83-4416-8b7d-e64e2dd8e1d6/bin/uautomizer-DrprNOufMa/data/255d8a590/579e95bf611b425099740a21fb58146d [2021-12-07 00:24:00,310 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-07 00:24:00,312 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-07 00:24:00,314 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-07 00:24:00,314 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-07 00:24:00,319 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-07 00:24:00,320 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 12:24:00" (1/1) ... [2021-12-07 00:24:00,321 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5470b1c5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:24:00, skipping insertion in model container [2021-12-07 00:24:00,321 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 12:24:00" (1/1) ... [2021-12-07 00:24:00,325 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-07 00:24:00,374 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-07 00:24:00,821 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_f225346b-ca83-4416-8b7d-e64e2dd8e1d6/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--net--ppp--pppox.ko-entry_point.cil.out.i[183784,183797] [2021-12-07 00:24:00,855 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-07 00:24:00,869 INFO L203 MainTranslator]: Completed pre-run [2021-12-07 00:24:00,996 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_f225346b-ca83-4416-8b7d-e64e2dd8e1d6/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--net--ppp--pppox.ko-entry_point.cil.out.i[183784,183797] [2021-12-07 00:24:01,001 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-07 00:24:01,021 INFO L208 MainTranslator]: Completed translation [2021-12-07 00:24:01,021 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:24:01 WrapperNode [2021-12-07 00:24:01,022 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-07 00:24:01,022 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-07 00:24:01,023 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-07 00:24:01,023 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-07 00:24:01,029 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:24:01" (1/1) ... [2021-12-07 00:24:01,050 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:24:01" (1/1) ... [2021-12-07 00:24:01,075 INFO L137 Inliner]: procedures = 68, calls = 170, calls flagged for inlining = 22, calls inlined = 15, statements flattened = 343 [2021-12-07 00:24:01,075 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-07 00:24:01,076 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-07 00:24:01,076 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-07 00:24:01,076 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-07 00:24:01,082 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:24:01" (1/1) ... [2021-12-07 00:24:01,082 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:24:01" (1/1) ... [2021-12-07 00:24:01,089 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:24:01" (1/1) ... [2021-12-07 00:24:01,089 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:24:01" (1/1) ... [2021-12-07 00:24:01,101 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:24:01" (1/1) ... [2021-12-07 00:24:01,105 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:24:01" (1/1) ... [2021-12-07 00:24:01,108 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:24:01" (1/1) ... [2021-12-07 00:24:01,113 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-07 00:24:01,114 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-07 00:24:01,114 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-07 00:24:01,114 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-07 00:24:01,115 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:24:01" (1/1) ... [2021-12-07 00:24:01,122 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-07 00:24:01,131 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f225346b-ca83-4416-8b7d-e64e2dd8e1d6/bin/uautomizer-DrprNOufMa/z3 [2021-12-07 00:24:01,143 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f225346b-ca83-4416-8b7d-e64e2dd8e1d6/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-12-07 00:24:01,150 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f225346b-ca83-4416-8b7d-e64e2dd8e1d6/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-12-07 00:24:01,185 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-07 00:24:01,185 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-12-07 00:24:01,186 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2021-12-07 00:24:01,186 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2021-12-07 00:24:01,186 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-12-07 00:24:01,186 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2021-12-07 00:24:01,186 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2021-12-07 00:24:01,186 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-12-07 00:24:01,186 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_module_put [2021-12-07 00:24:01,186 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_module_put [2021-12-07 00:24:01,186 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-12-07 00:24:01,187 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-12-07 00:24:01,187 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2021-12-07 00:24:01,187 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2021-12-07 00:24:01,187 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2021-12-07 00:24:01,187 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2021-12-07 00:24:01,187 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2021-12-07 00:24:01,187 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2021-12-07 00:24:01,187 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-07 00:24:01,187 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-12-07 00:24:01,188 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-07 00:24:01,188 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-07 00:24:01,188 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2021-12-07 00:24:01,188 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2021-12-07 00:24:01,338 INFO L236 CfgBuilder]: Building ICFG [2021-12-07 00:24:01,339 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-07 00:24:01,381 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2021-12-07 00:24:01,558 INFO L277 CfgBuilder]: Performing block encoding [2021-12-07 00:24:01,564 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-07 00:24:01,564 INFO L301 CfgBuilder]: Removed 0 assume(true) statements. [2021-12-07 00:24:01,565 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 12:24:01 BoogieIcfgContainer [2021-12-07 00:24:01,565 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-07 00:24:01,566 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-07 00:24:01,567 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-07 00:24:01,569 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-07 00:24:01,569 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.12 12:24:00" (1/3) ... [2021-12-07 00:24:01,570 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@c7cd5dc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 12:24:01, skipping insertion in model container [2021-12-07 00:24:01,570 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:24:01" (2/3) ... [2021-12-07 00:24:01,570 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@c7cd5dc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 12:24:01, skipping insertion in model container [2021-12-07 00:24:01,570 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 12:24:01" (3/3) ... [2021-12-07 00:24:01,571 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-08_1a-drivers--net--ppp--pppox.ko-entry_point.cil.out.i [2021-12-07 00:24:01,575 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-07 00:24:01,575 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-12-07 00:24:01,617 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-07 00:24:01,624 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-12-07 00:24:01,624 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-12-07 00:24:01,638 INFO L276 IsEmpty]: Start isEmpty. Operand has 91 states, 71 states have (on average 1.3943661971830985) internal successors, (99), 77 states have internal predecessors, (99), 12 states have call successors, (12), 7 states have call predecessors, (12), 6 states have return successors, (9), 9 states have call predecessors, (9), 9 states have call successors, (9) [2021-12-07 00:24:01,643 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2021-12-07 00:24:01,644 INFO L506 BasicCegarLoop]: Found error trace [2021-12-07 00:24:01,644 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-07 00:24:01,645 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-07 00:24:01,648 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 00:24:01,649 INFO L85 PathProgramCache]: Analyzing trace with hash -1422532354, now seen corresponding path program 1 times [2021-12-07 00:24:01,655 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-07 00:24:01,655 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1327725699] [2021-12-07 00:24:01,655 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 00:24:01,656 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-07 00:24:01,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:24:01,885 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-07 00:24:01,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:24:01,924 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:24:01,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:24:01,936 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-07 00:24:01,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:24:01,945 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-07 00:24:01,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:24:01,961 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:24:01,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:24:01,969 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-07 00:24:01,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:24:01,981 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2021-12-07 00:24:01,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:24:01,992 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2021-12-07 00:24:01,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:24:02,002 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2021-12-07 00:24:02,003 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-07 00:24:02,003 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1327725699] [2021-12-07 00:24:02,003 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1327725699] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-07 00:24:02,003 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-07 00:24:02,004 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-07 00:24:02,005 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1089341581] [2021-12-07 00:24:02,005 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-07 00:24:02,008 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-12-07 00:24:02,009 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-07 00:24:02,028 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-12-07 00:24:02,028 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-12-07 00:24:02,030 INFO L87 Difference]: Start difference. First operand has 91 states, 71 states have (on average 1.3943661971830985) internal successors, (99), 77 states have internal predecessors, (99), 12 states have call successors, (12), 7 states have call predecessors, (12), 6 states have return successors, (9), 9 states have call predecessors, (9), 9 states have call successors, (9) Second operand has 5 states, 5 states have (on average 6.2) internal successors, (31), 2 states have internal predecessors, (31), 2 states have call successors, (7), 5 states have call predecessors, (7), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2021-12-07 00:24:02,125 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-07 00:24:02,126 INFO L93 Difference]: Finished difference Result 181 states and 245 transitions. [2021-12-07 00:24:02,126 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-12-07 00:24:02,128 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 6.2) internal successors, (31), 2 states have internal predecessors, (31), 2 states have call successors, (7), 5 states have call predecessors, (7), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 61 [2021-12-07 00:24:02,128 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-07 00:24:02,135 INFO L225 Difference]: With dead ends: 181 [2021-12-07 00:24:02,135 INFO L226 Difference]: Without dead ends: 85 [2021-12-07 00:24:02,137 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=16, Unknown=0, NotChecked=0, Total=30 [2021-12-07 00:24:02,140 INFO L933 BasicCegarLoop]: 112 mSDtfsCounter, 32 mSDsluCounter, 154 mSDsCounter, 0 mSdLazyCounter, 28 mSolverCounterSat, 26 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 32 SdHoareTripleChecker+Valid, 266 SdHoareTripleChecker+Invalid, 54 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 26 IncrementalHoareTripleChecker+Valid, 28 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-12-07 00:24:02,141 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [32 Valid, 266 Invalid, 54 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [26 Valid, 28 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-12-07 00:24:02,153 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 85 states. [2021-12-07 00:24:02,170 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 85 to 81. [2021-12-07 00:24:02,175 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 81 states, 66 states have (on average 1.3333333333333333) internal successors, (88), 67 states have internal predecessors, (88), 9 states have call successors, (9), 6 states have call predecessors, (9), 5 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) [2021-12-07 00:24:02,176 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 81 states and 104 transitions. [2021-12-07 00:24:02,177 INFO L78 Accepts]: Start accepts. Automaton has 81 states and 104 transitions. Word has length 61 [2021-12-07 00:24:02,177 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-07 00:24:02,178 INFO L470 AbstractCegarLoop]: Abstraction has 81 states and 104 transitions. [2021-12-07 00:24:02,178 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 6.2) internal successors, (31), 2 states have internal predecessors, (31), 2 states have call successors, (7), 5 states have call predecessors, (7), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2021-12-07 00:24:02,178 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 104 transitions. [2021-12-07 00:24:02,180 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2021-12-07 00:24:02,180 INFO L506 BasicCegarLoop]: Found error trace [2021-12-07 00:24:02,181 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-07 00:24:02,181 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-12-07 00:24:02,181 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-07 00:24:02,181 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 00:24:02,182 INFO L85 PathProgramCache]: Analyzing trace with hash 147371386, now seen corresponding path program 1 times [2021-12-07 00:24:02,182 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-07 00:24:02,182 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1875434988] [2021-12-07 00:24:02,182 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 00:24:02,182 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-07 00:24:02,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:24:02,265 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-07 00:24:02,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:24:02,278 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:24:02,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:24:02,285 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-07 00:24:02,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:24:02,293 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-07 00:24:02,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:24:02,303 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:24:02,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:24:02,309 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-07 00:24:02,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:24:02,321 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2021-12-07 00:24:02,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:24:02,329 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2021-12-07 00:24:02,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:24:02,337 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2021-12-07 00:24:02,337 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-07 00:24:02,337 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1875434988] [2021-12-07 00:24:02,337 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1875434988] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-07 00:24:02,337 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-07 00:24:02,338 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-07 00:24:02,338 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1555141205] [2021-12-07 00:24:02,338 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-07 00:24:02,339 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-07 00:24:02,339 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-07 00:24:02,339 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-07 00:24:02,339 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-12-07 00:24:02,340 INFO L87 Difference]: Start difference. First operand 81 states and 104 transitions. Second operand has 6 states, 6 states have (on average 5.166666666666667) internal successors, (31), 3 states have internal predecessors, (31), 2 states have call successors, (7), 5 states have call predecessors, (7), 1 states have return successors, (6), 1 states have call predecessors, (6), 1 states have call successors, (6) [2021-12-07 00:24:02,468 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-07 00:24:02,468 INFO L93 Difference]: Finished difference Result 179 states and 243 transitions. [2021-12-07 00:24:02,469 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-12-07 00:24:02,469 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 5.166666666666667) internal successors, (31), 3 states have internal predecessors, (31), 2 states have call successors, (7), 5 states have call predecessors, (7), 1 states have return successors, (6), 1 states have call predecessors, (6), 1 states have call successors, (6) Word has length 61 [2021-12-07 00:24:02,469 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-07 00:24:02,470 INFO L225 Difference]: With dead ends: 179 [2021-12-07 00:24:02,471 INFO L226 Difference]: Without dead ends: 128 [2021-12-07 00:24:02,471 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-12-07 00:24:02,472 INFO L933 BasicCegarLoop]: 102 mSDtfsCounter, 98 mSDsluCounter, 274 mSDsCounter, 0 mSdLazyCounter, 88 mSolverCounterSat, 23 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 99 SdHoareTripleChecker+Valid, 376 SdHoareTripleChecker+Invalid, 111 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 23 IncrementalHoareTripleChecker+Valid, 88 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-12-07 00:24:02,473 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [99 Valid, 376 Invalid, 111 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 88 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-12-07 00:24:02,474 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 128 states. [2021-12-07 00:24:02,483 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 128 to 121. [2021-12-07 00:24:02,483 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 121 states, 104 states have (on average 1.375) internal successors, (143), 105 states have internal predecessors, (143), 10 states have call successors, (10), 7 states have call predecessors, (10), 6 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2021-12-07 00:24:02,485 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 121 states to 121 states and 161 transitions. [2021-12-07 00:24:02,485 INFO L78 Accepts]: Start accepts. Automaton has 121 states and 161 transitions. Word has length 61 [2021-12-07 00:24:02,485 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-07 00:24:02,486 INFO L470 AbstractCegarLoop]: Abstraction has 121 states and 161 transitions. [2021-12-07 00:24:02,486 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 5.166666666666667) internal successors, (31), 3 states have internal predecessors, (31), 2 states have call successors, (7), 5 states have call predecessors, (7), 1 states have return successors, (6), 1 states have call predecessors, (6), 1 states have call successors, (6) [2021-12-07 00:24:02,486 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 161 transitions. [2021-12-07 00:24:02,487 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2021-12-07 00:24:02,488 INFO L506 BasicCegarLoop]: Found error trace [2021-12-07 00:24:02,488 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-07 00:24:02,488 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-12-07 00:24:02,488 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-07 00:24:02,488 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 00:24:02,488 INFO L85 PathProgramCache]: Analyzing trace with hash 668155054, now seen corresponding path program 1 times [2021-12-07 00:24:02,488 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-07 00:24:02,492 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [497801571] [2021-12-07 00:24:02,492 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 00:24:02,492 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-07 00:24:02,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:24:02,547 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-07 00:24:02,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:24:02,557 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:24:02,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:24:02,562 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-07 00:24:02,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:24:02,567 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-07 00:24:02,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:24:02,575 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:24:02,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:24:02,580 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-07 00:24:02,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:24:02,590 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2021-12-07 00:24:02,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:24:02,596 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2021-12-07 00:24:02,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:24:02,603 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2021-12-07 00:24:02,603 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-07 00:24:02,603 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [497801571] [2021-12-07 00:24:02,603 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [497801571] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-07 00:24:02,603 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-07 00:24:02,603 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-07 00:24:02,604 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [154889764] [2021-12-07 00:24:02,604 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-07 00:24:02,604 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-07 00:24:02,604 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-07 00:24:02,604 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-07 00:24:02,605 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-12-07 00:24:02,605 INFO L87 Difference]: Start difference. First operand 121 states and 161 transitions. Second operand has 6 states, 6 states have (on average 5.666666666666667) internal successors, (34), 3 states have internal predecessors, (34), 2 states have call successors, (7), 5 states have call predecessors, (7), 1 states have return successors, (6), 1 states have call predecessors, (6), 1 states have call successors, (6) [2021-12-07 00:24:02,680 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-07 00:24:02,680 INFO L93 Difference]: Finished difference Result 135 states and 175 transitions. [2021-12-07 00:24:02,680 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-12-07 00:24:02,681 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 5.666666666666667) internal successors, (34), 3 states have internal predecessors, (34), 2 states have call successors, (7), 5 states have call predecessors, (7), 1 states have return successors, (6), 1 states have call predecessors, (6), 1 states have call successors, (6) Word has length 64 [2021-12-07 00:24:02,681 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-07 00:24:02,683 INFO L225 Difference]: With dead ends: 135 [2021-12-07 00:24:02,683 INFO L226 Difference]: Without dead ends: 130 [2021-12-07 00:24:02,683 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=29, Invalid=43, Unknown=0, NotChecked=0, Total=72 [2021-12-07 00:24:02,685 INFO L933 BasicCegarLoop]: 103 mSDtfsCounter, 126 mSDsluCounter, 146 mSDsCounter, 0 mSdLazyCounter, 35 mSolverCounterSat, 25 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 130 SdHoareTripleChecker+Valid, 249 SdHoareTripleChecker+Invalid, 60 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 25 IncrementalHoareTripleChecker+Valid, 35 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-12-07 00:24:02,685 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [130 Valid, 249 Invalid, 60 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [25 Valid, 35 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-12-07 00:24:02,687 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 130 states. [2021-12-07 00:24:02,698 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 130 to 121. [2021-12-07 00:24:02,699 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 121 states, 104 states have (on average 1.3653846153846154) internal successors, (142), 105 states have internal predecessors, (142), 10 states have call successors, (10), 7 states have call predecessors, (10), 6 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2021-12-07 00:24:02,701 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 121 states to 121 states and 160 transitions. [2021-12-07 00:24:02,701 INFO L78 Accepts]: Start accepts. Automaton has 121 states and 160 transitions. Word has length 64 [2021-12-07 00:24:02,702 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-07 00:24:02,702 INFO L470 AbstractCegarLoop]: Abstraction has 121 states and 160 transitions. [2021-12-07 00:24:02,702 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 5.666666666666667) internal successors, (34), 3 states have internal predecessors, (34), 2 states have call successors, (7), 5 states have call predecessors, (7), 1 states have return successors, (6), 1 states have call predecessors, (6), 1 states have call successors, (6) [2021-12-07 00:24:02,702 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 160 transitions. [2021-12-07 00:24:02,703 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2021-12-07 00:24:02,704 INFO L506 BasicCegarLoop]: Found error trace [2021-12-07 00:24:02,704 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-07 00:24:02,704 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-12-07 00:24:02,704 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-07 00:24:02,705 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 00:24:02,705 INFO L85 PathProgramCache]: Analyzing trace with hash 725413356, now seen corresponding path program 1 times [2021-12-07 00:24:02,705 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-07 00:24:02,705 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1059511927] [2021-12-07 00:24:02,705 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 00:24:02,706 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-07 00:24:02,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:24:02,776 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-07 00:24:02,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:24:02,788 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:24:02,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:24:02,798 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-07 00:24:02,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:24:02,805 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-07 00:24:02,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:24:02,818 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:24:02,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:24:02,824 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-07 00:24:02,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:24:02,835 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2021-12-07 00:24:02,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:24:02,842 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2021-12-07 00:24:02,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:24:02,850 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2021-12-07 00:24:02,850 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-07 00:24:02,850 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1059511927] [2021-12-07 00:24:02,850 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1059511927] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-07 00:24:02,850 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-07 00:24:02,850 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-07 00:24:02,850 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1182074008] [2021-12-07 00:24:02,851 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-07 00:24:02,851 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-07 00:24:02,851 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-07 00:24:02,851 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-07 00:24:02,851 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-12-07 00:24:02,852 INFO L87 Difference]: Start difference. First operand 121 states and 160 transitions. Second operand has 6 states, 6 states have (on average 5.666666666666667) internal successors, (34), 3 states have internal predecessors, (34), 3 states have call successors, (7), 5 states have call predecessors, (7), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2021-12-07 00:24:02,954 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-07 00:24:02,955 INFO L93 Difference]: Finished difference Result 304 states and 419 transitions. [2021-12-07 00:24:02,955 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-12-07 00:24:02,955 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 5.666666666666667) internal successors, (34), 3 states have internal predecessors, (34), 3 states have call successors, (7), 5 states have call predecessors, (7), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 64 [2021-12-07 00:24:02,955 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-07 00:24:02,957 INFO L225 Difference]: With dead ends: 304 [2021-12-07 00:24:02,957 INFO L226 Difference]: Without dead ends: 209 [2021-12-07 00:24:02,958 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=29, Invalid=43, Unknown=0, NotChecked=0, Total=72 [2021-12-07 00:24:02,958 INFO L933 BasicCegarLoop]: 99 mSDtfsCounter, 115 mSDsluCounter, 263 mSDsCounter, 0 mSdLazyCounter, 64 mSolverCounterSat, 26 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 116 SdHoareTripleChecker+Valid, 362 SdHoareTripleChecker+Invalid, 90 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 26 IncrementalHoareTripleChecker+Valid, 64 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-12-07 00:24:02,959 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [116 Valid, 362 Invalid, 90 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [26 Valid, 64 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-12-07 00:24:02,960 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 209 states. [2021-12-07 00:24:02,971 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 209 to 201. [2021-12-07 00:24:02,971 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 201 states, 180 states have (on average 1.3944444444444444) internal successors, (251), 181 states have internal predecessors, (251), 12 states have call successors, (12), 9 states have call predecessors, (12), 8 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2021-12-07 00:24:02,973 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 201 states to 201 states and 273 transitions. [2021-12-07 00:24:02,973 INFO L78 Accepts]: Start accepts. Automaton has 201 states and 273 transitions. Word has length 64 [2021-12-07 00:24:02,973 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-07 00:24:02,973 INFO L470 AbstractCegarLoop]: Abstraction has 201 states and 273 transitions. [2021-12-07 00:24:02,973 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 5.666666666666667) internal successors, (34), 3 states have internal predecessors, (34), 3 states have call successors, (7), 5 states have call predecessors, (7), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2021-12-07 00:24:02,974 INFO L276 IsEmpty]: Start isEmpty. Operand 201 states and 273 transitions. [2021-12-07 00:24:02,975 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2021-12-07 00:24:02,975 INFO L506 BasicCegarLoop]: Found error trace [2021-12-07 00:24:02,975 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-07 00:24:02,975 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-12-07 00:24:02,975 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-07 00:24:02,975 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 00:24:02,976 INFO L85 PathProgramCache]: Analyzing trace with hash -1104607523, now seen corresponding path program 1 times [2021-12-07 00:24:02,976 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-07 00:24:02,976 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [322509148] [2021-12-07 00:24:02,976 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 00:24:02,976 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-07 00:24:02,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:24:03,028 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-07 00:24:03,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:24:03,040 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:24:03,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:24:03,047 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-07 00:24:03,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:24:03,054 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-07 00:24:03,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:24:03,062 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:24:03,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:24:03,066 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-07 00:24:03,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:24:03,077 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2021-12-07 00:24:03,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:24:03,083 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2021-12-07 00:24:03,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:24:03,098 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2021-12-07 00:24:03,098 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-07 00:24:03,098 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [322509148] [2021-12-07 00:24:03,098 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [322509148] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-07 00:24:03,099 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-07 00:24:03,099 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-07 00:24:03,099 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [567312059] [2021-12-07 00:24:03,099 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-07 00:24:03,099 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-07 00:24:03,099 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-07 00:24:03,100 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-07 00:24:03,100 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-12-07 00:24:03,100 INFO L87 Difference]: Start difference. First operand 201 states and 273 transitions. Second operand has 6 states, 6 states have (on average 6.5) internal successors, (39), 3 states have internal predecessors, (39), 2 states have call successors, (8), 5 states have call predecessors, (8), 1 states have return successors, (6), 1 states have call predecessors, (6), 1 states have call successors, (6) [2021-12-07 00:24:03,179 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-07 00:24:03,179 INFO L93 Difference]: Finished difference Result 443 states and 613 transitions. [2021-12-07 00:24:03,179 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-12-07 00:24:03,180 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 6.5) internal successors, (39), 3 states have internal predecessors, (39), 2 states have call successors, (8), 5 states have call predecessors, (8), 1 states have return successors, (6), 1 states have call predecessors, (6), 1 states have call successors, (6) Word has length 70 [2021-12-07 00:24:03,180 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-07 00:24:03,182 INFO L225 Difference]: With dead ends: 443 [2021-12-07 00:24:03,182 INFO L226 Difference]: Without dead ends: 272 [2021-12-07 00:24:03,183 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=29, Invalid=43, Unknown=0, NotChecked=0, Total=72 [2021-12-07 00:24:03,184 INFO L933 BasicCegarLoop]: 110 mSDtfsCounter, 104 mSDsluCounter, 138 mSDsCounter, 0 mSdLazyCounter, 29 mSolverCounterSat, 30 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 107 SdHoareTripleChecker+Valid, 248 SdHoareTripleChecker+Invalid, 59 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 30 IncrementalHoareTripleChecker+Valid, 29 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-12-07 00:24:03,185 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [107 Valid, 248 Invalid, 59 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [30 Valid, 29 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-12-07 00:24:03,186 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 272 states. [2021-12-07 00:24:03,202 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 272 to 261. [2021-12-07 00:24:03,203 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 261 states, 240 states have (on average 1.3958333333333333) internal successors, (335), 241 states have internal predecessors, (335), 12 states have call successors, (12), 9 states have call predecessors, (12), 8 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2021-12-07 00:24:03,205 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 261 states to 261 states and 357 transitions. [2021-12-07 00:24:03,205 INFO L78 Accepts]: Start accepts. Automaton has 261 states and 357 transitions. Word has length 70 [2021-12-07 00:24:03,206 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-07 00:24:03,206 INFO L470 AbstractCegarLoop]: Abstraction has 261 states and 357 transitions. [2021-12-07 00:24:03,206 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 6.5) internal successors, (39), 3 states have internal predecessors, (39), 2 states have call successors, (8), 5 states have call predecessors, (8), 1 states have return successors, (6), 1 states have call predecessors, (6), 1 states have call successors, (6) [2021-12-07 00:24:03,206 INFO L276 IsEmpty]: Start isEmpty. Operand 261 states and 357 transitions. [2021-12-07 00:24:03,208 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2021-12-07 00:24:03,208 INFO L506 BasicCegarLoop]: Found error trace [2021-12-07 00:24:03,209 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-07 00:24:03,209 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-12-07 00:24:03,209 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-07 00:24:03,209 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 00:24:03,210 INFO L85 PathProgramCache]: Analyzing trace with hash -49701621, now seen corresponding path program 1 times [2021-12-07 00:24:03,210 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-07 00:24:03,210 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1231905678] [2021-12-07 00:24:03,210 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 00:24:03,210 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-07 00:24:03,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:24:03,308 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-07 00:24:03,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:24:03,317 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:24:03,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:24:03,321 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-07 00:24:03,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:24:03,326 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-07 00:24:03,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:24:03,333 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:24:03,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:24:03,337 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-07 00:24:03,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:24:03,347 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2021-12-07 00:24:03,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:24:03,411 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2021-12-07 00:24:03,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:24:03,419 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2021-12-07 00:24:03,419 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-07 00:24:03,419 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1231905678] [2021-12-07 00:24:03,419 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1231905678] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-07 00:24:03,420 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [717229882] [2021-12-07 00:24:03,420 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 00:24:03,420 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-07 00:24:03,420 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f225346b-ca83-4416-8b7d-e64e2dd8e1d6/bin/uautomizer-DrprNOufMa/z3 [2021-12-07 00:24:03,421 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f225346b-ca83-4416-8b7d-e64e2dd8e1d6/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-07 00:24:03,423 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f225346b-ca83-4416-8b7d-e64e2dd8e1d6/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-12-07 00:24:03,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:24:03,577 INFO L263 TraceCheckSpWp]: Trace formula consists of 781 conjuncts, 17 conjunts are in the unsatisfiable core [2021-12-07 00:24:03,584 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-07 00:24:03,713 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2021-12-07 00:24:03,713 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-07 00:24:03,714 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [717229882] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-07 00:24:03,714 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-12-07 00:24:03,714 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [7] total 9 [2021-12-07 00:24:03,714 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1790456815] [2021-12-07 00:24:03,714 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-07 00:24:03,715 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-07 00:24:03,715 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-07 00:24:03,715 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-07 00:24:03,715 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2021-12-07 00:24:03,716 INFO L87 Difference]: Start difference. First operand 261 states and 357 transitions. Second operand has 4 states, 4 states have (on average 13.25) internal successors, (53), 4 states have internal predecessors, (53), 2 states have call successors, (8), 2 states have call predecessors, (8), 3 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2021-12-07 00:24:03,745 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-07 00:24:03,745 INFO L93 Difference]: Finished difference Result 504 states and 696 transitions. [2021-12-07 00:24:03,746 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-12-07 00:24:03,746 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 13.25) internal successors, (53), 4 states have internal predecessors, (53), 2 states have call successors, (8), 2 states have call predecessors, (8), 3 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 81 [2021-12-07 00:24:03,747 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-07 00:24:03,749 INFO L225 Difference]: With dead ends: 504 [2021-12-07 00:24:03,749 INFO L226 Difference]: Without dead ends: 262 [2021-12-07 00:24:03,750 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 100 GetRequests, 92 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2021-12-07 00:24:03,751 INFO L933 BasicCegarLoop]: 102 mSDtfsCounter, 3 mSDsluCounter, 199 mSDsCounter, 0 mSdLazyCounter, 10 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 301 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 10 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-12-07 00:24:03,751 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3 Valid, 301 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 10 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-12-07 00:24:03,752 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 262 states. [2021-12-07 00:24:03,767 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 262 to 262. [2021-12-07 00:24:03,768 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 262 states, 241 states have (on average 1.3941908713692945) internal successors, (336), 242 states have internal predecessors, (336), 12 states have call successors, (12), 9 states have call predecessors, (12), 8 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2021-12-07 00:24:03,770 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 262 states to 262 states and 358 transitions. [2021-12-07 00:24:03,770 INFO L78 Accepts]: Start accepts. Automaton has 262 states and 358 transitions. Word has length 81 [2021-12-07 00:24:03,771 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-07 00:24:03,771 INFO L470 AbstractCegarLoop]: Abstraction has 262 states and 358 transitions. [2021-12-07 00:24:03,771 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 13.25) internal successors, (53), 4 states have internal predecessors, (53), 2 states have call successors, (8), 2 states have call predecessors, (8), 3 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2021-12-07 00:24:03,771 INFO L276 IsEmpty]: Start isEmpty. Operand 262 states and 358 transitions. [2021-12-07 00:24:03,773 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2021-12-07 00:24:03,773 INFO L506 BasicCegarLoop]: Found error trace [2021-12-07 00:24:03,773 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-07 00:24:03,809 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f225346b-ca83-4416-8b7d-e64e2dd8e1d6/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2021-12-07 00:24:03,974 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f225346b-ca83-4416-8b7d-e64e2dd8e1d6/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5 [2021-12-07 00:24:03,974 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-07 00:24:03,975 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 00:24:03,975 INFO L85 PathProgramCache]: Analyzing trace with hash 1260616323, now seen corresponding path program 1 times [2021-12-07 00:24:03,975 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-07 00:24:03,975 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1763522831] [2021-12-07 00:24:03,975 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 00:24:03,975 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-07 00:24:04,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:24:04,085 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-07 00:24:04,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:24:04,094 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:24:04,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:24:04,098 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-07 00:24:04,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:24:04,104 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-07 00:24:04,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:24:04,122 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:24:04,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:24:04,129 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-07 00:24:04,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:24:04,140 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2021-12-07 00:24:04,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:24:04,228 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2021-12-07 00:24:04,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:24:04,235 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2021-12-07 00:24:04,236 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-07 00:24:04,236 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1763522831] [2021-12-07 00:24:04,236 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1763522831] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-07 00:24:04,236 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1934872350] [2021-12-07 00:24:04,236 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 00:24:04,236 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-07 00:24:04,236 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f225346b-ca83-4416-8b7d-e64e2dd8e1d6/bin/uautomizer-DrprNOufMa/z3 [2021-12-07 00:24:04,237 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f225346b-ca83-4416-8b7d-e64e2dd8e1d6/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-07 00:24:04,237 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f225346b-ca83-4416-8b7d-e64e2dd8e1d6/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2021-12-07 00:24:04,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:24:04,376 INFO L263 TraceCheckSpWp]: Trace formula consists of 811 conjuncts, 15 conjunts are in the unsatisfiable core [2021-12-07 00:24:04,381 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-07 00:24:04,470 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2021-12-07 00:24:04,470 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-07 00:24:04,470 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1934872350] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-07 00:24:04,470 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-12-07 00:24:04,470 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [8] total 11 [2021-12-07 00:24:04,471 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [684116241] [2021-12-07 00:24:04,471 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-07 00:24:04,471 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-12-07 00:24:04,471 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-07 00:24:04,471 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-12-07 00:24:04,471 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2021-12-07 00:24:04,472 INFO L87 Difference]: Start difference. First operand 262 states and 358 transitions. Second operand has 5 states, 5 states have (on average 10.0) internal successors, (50), 5 states have internal predecessors, (50), 2 states have call successors, (8), 2 states have call predecessors, (8), 1 states have return successors, (6), 1 states have call predecessors, (6), 1 states have call successors, (6) [2021-12-07 00:24:04,515 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-07 00:24:04,515 INFO L93 Difference]: Finished difference Result 825 states and 1152 transitions. [2021-12-07 00:24:04,515 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-07 00:24:04,515 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 10.0) internal successors, (50), 5 states have internal predecessors, (50), 2 states have call successors, (8), 2 states have call predecessors, (8), 1 states have return successors, (6), 1 states have call predecessors, (6), 1 states have call successors, (6) Word has length 83 [2021-12-07 00:24:04,516 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-07 00:24:04,518 INFO L225 Difference]: With dead ends: 825 [2021-12-07 00:24:04,519 INFO L226 Difference]: Without dead ends: 594 [2021-12-07 00:24:04,519 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 106 GetRequests, 95 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=32, Invalid=124, Unknown=0, NotChecked=0, Total=156 [2021-12-07 00:24:04,520 INFO L933 BasicCegarLoop]: 149 mSDtfsCounter, 224 mSDsluCounter, 347 mSDsCounter, 0 mSdLazyCounter, 17 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 224 SdHoareTripleChecker+Valid, 496 SdHoareTripleChecker+Invalid, 21 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 17 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-12-07 00:24:04,520 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [224 Valid, 496 Invalid, 21 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 17 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-12-07 00:24:04,521 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 594 states. [2021-12-07 00:24:04,538 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 594 to 268. [2021-12-07 00:24:04,539 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 268 states, 247 states have (on average 1.3765182186234817) internal successors, (340), 248 states have internal predecessors, (340), 12 states have call successors, (12), 9 states have call predecessors, (12), 8 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2021-12-07 00:24:04,541 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 268 states to 268 states and 362 transitions. [2021-12-07 00:24:04,541 INFO L78 Accepts]: Start accepts. Automaton has 268 states and 362 transitions. Word has length 83 [2021-12-07 00:24:04,541 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-07 00:24:04,541 INFO L470 AbstractCegarLoop]: Abstraction has 268 states and 362 transitions. [2021-12-07 00:24:04,541 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 10.0) internal successors, (50), 5 states have internal predecessors, (50), 2 states have call successors, (8), 2 states have call predecessors, (8), 1 states have return successors, (6), 1 states have call predecessors, (6), 1 states have call successors, (6) [2021-12-07 00:24:04,541 INFO L276 IsEmpty]: Start isEmpty. Operand 268 states and 362 transitions. [2021-12-07 00:24:04,542 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2021-12-07 00:24:04,542 INFO L506 BasicCegarLoop]: Found error trace [2021-12-07 00:24:04,543 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-07 00:24:04,575 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f225346b-ca83-4416-8b7d-e64e2dd8e1d6/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2021-12-07 00:24:04,743 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f225346b-ca83-4416-8b7d-e64e2dd8e1d6/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-07 00:24:04,743 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-07 00:24:04,744 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 00:24:04,744 INFO L85 PathProgramCache]: Analyzing trace with hash 1940674693, now seen corresponding path program 1 times [2021-12-07 00:24:04,744 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-07 00:24:04,744 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1433705559] [2021-12-07 00:24:04,744 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 00:24:04,744 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-07 00:24:04,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:24:04,830 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-07 00:24:04,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:24:04,843 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:24:04,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:24:04,850 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-07 00:24:04,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:24:04,856 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-07 00:24:04,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:24:04,865 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:24:04,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:24:04,872 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-07 00:24:04,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:24:04,882 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2021-12-07 00:24:04,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:24:04,892 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2021-12-07 00:24:04,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:24:04,899 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2021-12-07 00:24:04,899 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-07 00:24:04,899 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1433705559] [2021-12-07 00:24:04,899 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1433705559] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-07 00:24:04,899 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1393286387] [2021-12-07 00:24:04,899 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 00:24:04,899 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-07 00:24:04,900 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f225346b-ca83-4416-8b7d-e64e2dd8e1d6/bin/uautomizer-DrprNOufMa/z3 [2021-12-07 00:24:04,900 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f225346b-ca83-4416-8b7d-e64e2dd8e1d6/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-07 00:24:04,901 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f225346b-ca83-4416-8b7d-e64e2dd8e1d6/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2021-12-07 00:24:05,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:24:05,039 INFO L263 TraceCheckSpWp]: Trace formula consists of 812 conjuncts, 2 conjunts are in the unsatisfiable core [2021-12-07 00:24:05,042 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-07 00:24:05,110 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2021-12-07 00:24:05,110 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-07 00:24:05,110 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1393286387] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-07 00:24:05,110 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-12-07 00:24:05,111 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [7] total 8 [2021-12-07 00:24:05,111 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [802427364] [2021-12-07 00:24:05,111 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-07 00:24:05,111 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-07 00:24:05,111 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-07 00:24:05,112 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-07 00:24:05,112 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2021-12-07 00:24:05,112 INFO L87 Difference]: Start difference. First operand 268 states and 362 transitions. Second operand has 3 states, 3 states have (on average 16.666666666666668) internal successors, (50), 3 states have internal predecessors, (50), 2 states have call successors, (8), 2 states have call predecessors, (8), 1 states have return successors, (6), 1 states have call predecessors, (6), 1 states have call successors, (6) [2021-12-07 00:24:05,134 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-07 00:24:05,134 INFO L93 Difference]: Finished difference Result 643 states and 888 transitions. [2021-12-07 00:24:05,135 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-07 00:24:05,135 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 16.666666666666668) internal successors, (50), 3 states have internal predecessors, (50), 2 states have call successors, (8), 2 states have call predecessors, (8), 1 states have return successors, (6), 1 states have call predecessors, (6), 1 states have call successors, (6) Word has length 83 [2021-12-07 00:24:05,135 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-07 00:24:05,138 INFO L225 Difference]: With dead ends: 643 [2021-12-07 00:24:05,138 INFO L226 Difference]: Without dead ends: 406 [2021-12-07 00:24:05,139 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 103 GetRequests, 97 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2021-12-07 00:24:05,140 INFO L933 BasicCegarLoop]: 143 mSDtfsCounter, 39 mSDsluCounter, 100 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 39 SdHoareTripleChecker+Valid, 243 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 6 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-12-07 00:24:05,140 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [39 Valid, 243 Invalid, 6 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 6 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-12-07 00:24:05,141 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 406 states. [2021-12-07 00:24:05,150 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 406 to 255. [2021-12-07 00:24:05,151 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 255 states, 238 states have (on average 1.3739495798319328) internal successors, (327), 239 states have internal predecessors, (327), 10 states have call successors, (10), 7 states have call predecessors, (10), 6 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2021-12-07 00:24:05,164 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 255 states to 255 states and 345 transitions. [2021-12-07 00:24:05,164 INFO L78 Accepts]: Start accepts. Automaton has 255 states and 345 transitions. Word has length 83 [2021-12-07 00:24:05,164 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-07 00:24:05,165 INFO L470 AbstractCegarLoop]: Abstraction has 255 states and 345 transitions. [2021-12-07 00:24:05,165 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 16.666666666666668) internal successors, (50), 3 states have internal predecessors, (50), 2 states have call successors, (8), 2 states have call predecessors, (8), 1 states have return successors, (6), 1 states have call predecessors, (6), 1 states have call successors, (6) [2021-12-07 00:24:05,165 INFO L276 IsEmpty]: Start isEmpty. Operand 255 states and 345 transitions. [2021-12-07 00:24:05,165 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2021-12-07 00:24:05,166 INFO L506 BasicCegarLoop]: Found error trace [2021-12-07 00:24:05,166 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-07 00:24:05,198 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f225346b-ca83-4416-8b7d-e64e2dd8e1d6/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2021-12-07 00:24:05,366 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f225346b-ca83-4416-8b7d-e64e2dd8e1d6/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable7 [2021-12-07 00:24:05,367 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-07 00:24:05,368 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 00:24:05,368 INFO L85 PathProgramCache]: Analyzing trace with hash 587922057, now seen corresponding path program 1 times [2021-12-07 00:24:05,368 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-07 00:24:05,368 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [67211012] [2021-12-07 00:24:05,369 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 00:24:05,369 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-07 00:24:05,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:24:05,553 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-07 00:24:05,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:24:05,567 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:24:05,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:24:05,573 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-07 00:24:05,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:24:05,579 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-07 00:24:05,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:24:05,590 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:24:05,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:24:05,596 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-07 00:24:05,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:24:05,607 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2021-12-07 00:24:05,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:24:05,616 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2021-12-07 00:24:05,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:24:05,624 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2021-12-07 00:24:05,624 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-07 00:24:05,624 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [67211012] [2021-12-07 00:24:05,624 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [67211012] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-07 00:24:05,625 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-07 00:24:05,625 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-12-07 00:24:05,625 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [919321244] [2021-12-07 00:24:05,625 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-07 00:24:05,625 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-12-07 00:24:05,625 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-07 00:24:05,625 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-12-07 00:24:05,626 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2021-12-07 00:24:05,626 INFO L87 Difference]: Start difference. First operand 255 states and 345 transitions. Second operand has 7 states, 7 states have (on average 7.428571428571429) internal successors, (52), 4 states have internal predecessors, (52), 4 states have call successors, (8), 6 states have call predecessors, (8), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2021-12-07 00:24:05,761 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-07 00:24:05,761 INFO L93 Difference]: Finished difference Result 384 states and 524 transitions. [2021-12-07 00:24:05,761 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-12-07 00:24:05,762 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 7.428571428571429) internal successors, (52), 4 states have internal predecessors, (52), 4 states have call successors, (8), 6 states have call predecessors, (8), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 85 [2021-12-07 00:24:05,762 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-07 00:24:05,765 INFO L225 Difference]: With dead ends: 384 [2021-12-07 00:24:05,765 INFO L226 Difference]: Without dead ends: 381 [2021-12-07 00:24:05,765 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=38, Invalid=72, Unknown=0, NotChecked=0, Total=110 [2021-12-07 00:24:05,766 INFO L933 BasicCegarLoop]: 145 mSDtfsCounter, 137 mSDsluCounter, 477 mSDsCounter, 0 mSdLazyCounter, 106 mSolverCounterSat, 28 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 138 SdHoareTripleChecker+Valid, 622 SdHoareTripleChecker+Invalid, 134 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 28 IncrementalHoareTripleChecker+Valid, 106 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-12-07 00:24:05,766 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [138 Valid, 622 Invalid, 134 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [28 Valid, 106 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-12-07 00:24:05,767 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 381 states. [2021-12-07 00:24:05,785 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 381 to 374. [2021-12-07 00:24:05,786 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 374 states, 353 states have (on average 1.388101983002833) internal successors, (490), 354 states have internal predecessors, (490), 12 states have call successors, (12), 9 states have call predecessors, (12), 8 states have return successors, (12), 10 states have call predecessors, (12), 10 states have call successors, (12) [2021-12-07 00:24:05,789 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 374 states to 374 states and 514 transitions. [2021-12-07 00:24:05,789 INFO L78 Accepts]: Start accepts. Automaton has 374 states and 514 transitions. Word has length 85 [2021-12-07 00:24:05,790 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-07 00:24:05,790 INFO L470 AbstractCegarLoop]: Abstraction has 374 states and 514 transitions. [2021-12-07 00:24:05,790 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 7.428571428571429) internal successors, (52), 4 states have internal predecessors, (52), 4 states have call successors, (8), 6 states have call predecessors, (8), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2021-12-07 00:24:05,790 INFO L276 IsEmpty]: Start isEmpty. Operand 374 states and 514 transitions. [2021-12-07 00:24:05,791 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2021-12-07 00:24:05,791 INFO L506 BasicCegarLoop]: Found error trace [2021-12-07 00:24:05,791 INFO L514 BasicCegarLoop]: trace histogram [3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-07 00:24:05,792 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-12-07 00:24:05,792 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-07 00:24:05,792 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 00:24:05,792 INFO L85 PathProgramCache]: Analyzing trace with hash 138660115, now seen corresponding path program 1 times [2021-12-07 00:24:05,792 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-07 00:24:05,792 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [376842693] [2021-12-07 00:24:05,793 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 00:24:05,793 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-07 00:24:05,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:24:05,857 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-07 00:24:05,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:24:05,868 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:24:05,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:24:05,874 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-07 00:24:05,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:24:05,880 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-07 00:24:05,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:24:05,888 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:24:05,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:24:05,893 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-07 00:24:05,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:24:05,904 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2021-12-07 00:24:05,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:24:05,911 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2021-12-07 00:24:05,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:24:05,917 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2021-12-07 00:24:05,918 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-07 00:24:05,918 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [376842693] [2021-12-07 00:24:05,918 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [376842693] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-07 00:24:05,918 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-07 00:24:05,918 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-07 00:24:05,918 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1660133193] [2021-12-07 00:24:05,918 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-07 00:24:05,918 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-07 00:24:05,918 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-07 00:24:05,919 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-07 00:24:05,919 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-12-07 00:24:05,919 INFO L87 Difference]: Start difference. First operand 374 states and 514 transitions. Second operand has 6 states, 6 states have (on average 10.0) internal successors, (60), 3 states have internal predecessors, (60), 2 states have call successors, (7), 5 states have call predecessors, (7), 1 states have return successors, (6), 1 states have call predecessors, (6), 1 states have call successors, (6) [2021-12-07 00:24:05,994 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-07 00:24:05,994 INFO L93 Difference]: Finished difference Result 773 states and 1076 transitions. [2021-12-07 00:24:05,994 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-07 00:24:05,994 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 10.0) internal successors, (60), 3 states have internal predecessors, (60), 2 states have call successors, (7), 5 states have call predecessors, (7), 1 states have return successors, (6), 1 states have call predecessors, (6), 1 states have call successors, (6) Word has length 92 [2021-12-07 00:24:05,994 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-07 00:24:05,997 INFO L225 Difference]: With dead ends: 773 [2021-12-07 00:24:05,997 INFO L226 Difference]: Without dead ends: 525 [2021-12-07 00:24:05,998 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2021-12-07 00:24:05,998 INFO L933 BasicCegarLoop]: 140 mSDtfsCounter, 65 mSDsluCounter, 405 mSDsCounter, 0 mSdLazyCounter, 64 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 66 SdHoareTripleChecker+Valid, 545 SdHoareTripleChecker+Invalid, 79 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 64 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-12-07 00:24:05,998 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [66 Valid, 545 Invalid, 79 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 64 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-12-07 00:24:05,999 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 525 states. [2021-12-07 00:24:06,012 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 525 to 374. [2021-12-07 00:24:06,013 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 374 states, 353 states have (on average 1.3767705382436262) internal successors, (486), 354 states have internal predecessors, (486), 12 states have call successors, (12), 9 states have call predecessors, (12), 8 states have return successors, (12), 10 states have call predecessors, (12), 10 states have call successors, (12) [2021-12-07 00:24:06,015 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 374 states to 374 states and 510 transitions. [2021-12-07 00:24:06,015 INFO L78 Accepts]: Start accepts. Automaton has 374 states and 510 transitions. Word has length 92 [2021-12-07 00:24:06,015 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-07 00:24:06,015 INFO L470 AbstractCegarLoop]: Abstraction has 374 states and 510 transitions. [2021-12-07 00:24:06,015 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 10.0) internal successors, (60), 3 states have internal predecessors, (60), 2 states have call successors, (7), 5 states have call predecessors, (7), 1 states have return successors, (6), 1 states have call predecessors, (6), 1 states have call successors, (6) [2021-12-07 00:24:06,015 INFO L276 IsEmpty]: Start isEmpty. Operand 374 states and 510 transitions. [2021-12-07 00:24:06,016 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2021-12-07 00:24:06,016 INFO L506 BasicCegarLoop]: Found error trace [2021-12-07 00:24:06,017 INFO L514 BasicCegarLoop]: trace histogram [3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-07 00:24:06,017 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-12-07 00:24:06,017 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-07 00:24:06,017 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 00:24:06,017 INFO L85 PathProgramCache]: Analyzing trace with hash -882408239, now seen corresponding path program 1 times [2021-12-07 00:24:06,017 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-07 00:24:06,017 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [609763301] [2021-12-07 00:24:06,017 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 00:24:06,017 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-07 00:24:06,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:24:06,097 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-07 00:24:06,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:24:06,107 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:24:06,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:24:06,111 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-07 00:24:06,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:24:06,115 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-07 00:24:06,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:24:06,120 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:24:06,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:24:06,125 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-07 00:24:06,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:24:06,135 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2021-12-07 00:24:06,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:24:06,141 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2021-12-07 00:24:06,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:24:06,154 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 7 proven. 2 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2021-12-07 00:24:06,154 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-07 00:24:06,155 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [609763301] [2021-12-07 00:24:06,155 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [609763301] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-07 00:24:06,155 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1346040298] [2021-12-07 00:24:06,155 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 00:24:06,155 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-07 00:24:06,155 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f225346b-ca83-4416-8b7d-e64e2dd8e1d6/bin/uautomizer-DrprNOufMa/z3 [2021-12-07 00:24:06,156 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f225346b-ca83-4416-8b7d-e64e2dd8e1d6/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-07 00:24:06,156 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f225346b-ca83-4416-8b7d-e64e2dd8e1d6/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2021-12-07 00:24:06,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:24:06,289 INFO L263 TraceCheckSpWp]: Trace formula consists of 790 conjuncts, 7 conjunts are in the unsatisfiable core [2021-12-07 00:24:06,293 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-07 00:24:06,409 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2021-12-07 00:24:06,409 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-07 00:24:06,409 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1346040298] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-07 00:24:06,409 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-12-07 00:24:06,409 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [9] total 11 [2021-12-07 00:24:06,409 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1188841834] [2021-12-07 00:24:06,410 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-07 00:24:06,410 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-12-07 00:24:06,410 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-07 00:24:06,410 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-12-07 00:24:06,411 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=87, Unknown=0, NotChecked=0, Total=110 [2021-12-07 00:24:06,411 INFO L87 Difference]: Start difference. First operand 374 states and 510 transitions. Second operand has 5 states, 5 states have (on average 12.0) internal successors, (60), 5 states have internal predecessors, (60), 2 states have call successors, (7), 2 states have call predecessors, (7), 1 states have return successors, (6), 1 states have call predecessors, (6), 1 states have call successors, (6) [2021-12-07 00:24:06,476 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-07 00:24:06,476 INFO L93 Difference]: Finished difference Result 940 states and 1311 transitions. [2021-12-07 00:24:06,476 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-07 00:24:06,476 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 12.0) internal successors, (60), 5 states have internal predecessors, (60), 2 states have call successors, (7), 2 states have call predecessors, (7), 1 states have return successors, (6), 1 states have call predecessors, (6), 1 states have call successors, (6) Word has length 92 [2021-12-07 00:24:06,477 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-07 00:24:06,481 INFO L225 Difference]: With dead ends: 940 [2021-12-07 00:24:06,481 INFO L226 Difference]: Without dead ends: 692 [2021-12-07 00:24:06,482 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 118 GetRequests, 106 SyntacticMatches, 1 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=36, Invalid=120, Unknown=0, NotChecked=0, Total=156 [2021-12-07 00:24:06,483 INFO L933 BasicCegarLoop]: 143 mSDtfsCounter, 221 mSDsluCounter, 325 mSDsCounter, 0 mSdLazyCounter, 17 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 221 SdHoareTripleChecker+Valid, 468 SdHoareTripleChecker+Invalid, 20 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 17 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-12-07 00:24:06,483 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [221 Valid, 468 Invalid, 20 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 17 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-12-07 00:24:06,484 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 692 states. [2021-12-07 00:24:06,506 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 692 to 374. [2021-12-07 00:24:06,507 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 374 states, 353 states have (on average 1.3654390934844192) internal successors, (482), 354 states have internal predecessors, (482), 12 states have call successors, (12), 9 states have call predecessors, (12), 8 states have return successors, (12), 10 states have call predecessors, (12), 10 states have call successors, (12) [2021-12-07 00:24:06,509 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 374 states to 374 states and 506 transitions. [2021-12-07 00:24:06,509 INFO L78 Accepts]: Start accepts. Automaton has 374 states and 506 transitions. Word has length 92 [2021-12-07 00:24:06,509 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-07 00:24:06,509 INFO L470 AbstractCegarLoop]: Abstraction has 374 states and 506 transitions. [2021-12-07 00:24:06,509 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 12.0) internal successors, (60), 5 states have internal predecessors, (60), 2 states have call successors, (7), 2 states have call predecessors, (7), 1 states have return successors, (6), 1 states have call predecessors, (6), 1 states have call successors, (6) [2021-12-07 00:24:06,509 INFO L276 IsEmpty]: Start isEmpty. Operand 374 states and 506 transitions. [2021-12-07 00:24:06,510 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2021-12-07 00:24:06,510 INFO L506 BasicCegarLoop]: Found error trace [2021-12-07 00:24:06,511 INFO L514 BasicCegarLoop]: trace histogram [3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-07 00:24:06,543 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f225346b-ca83-4416-8b7d-e64e2dd8e1d6/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2021-12-07 00:24:06,711 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f225346b-ca83-4416-8b7d-e64e2dd8e1d6/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-07 00:24:06,711 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-07 00:24:06,711 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 00:24:06,712 INFO L85 PathProgramCache]: Analyzing trace with hash 2027716343, now seen corresponding path program 1 times [2021-12-07 00:24:06,712 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-07 00:24:06,712 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1875190114] [2021-12-07 00:24:06,712 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 00:24:06,712 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-07 00:24:06,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:24:06,776 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-07 00:24:06,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:24:06,786 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:24:06,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:24:06,792 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-07 00:24:06,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:24:06,797 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-07 00:24:06,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:24:06,812 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:24:06,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:24:06,819 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-07 00:24:06,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:24:06,829 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2021-12-07 00:24:06,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:24:06,912 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2021-12-07 00:24:06,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:24:06,927 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2021-12-07 00:24:06,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:24:06,934 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2021-12-07 00:24:06,934 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-07 00:24:06,934 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1875190114] [2021-12-07 00:24:06,934 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1875190114] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-07 00:24:06,935 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1332960395] [2021-12-07 00:24:06,935 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 00:24:06,935 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-07 00:24:06,935 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f225346b-ca83-4416-8b7d-e64e2dd8e1d6/bin/uautomizer-DrprNOufMa/z3 [2021-12-07 00:24:06,936 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f225346b-ca83-4416-8b7d-e64e2dd8e1d6/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-07 00:24:06,937 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f225346b-ca83-4416-8b7d-e64e2dd8e1d6/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2021-12-07 00:24:07,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:24:07,106 INFO L263 TraceCheckSpWp]: Trace formula consists of 859 conjuncts, 17 conjunts are in the unsatisfiable core [2021-12-07 00:24:07,109 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-07 00:24:07,216 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 8 proven. 1 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2021-12-07 00:24:07,216 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-12-07 00:24:07,380 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2021-12-07 00:24:07,381 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1332960395] provided 0 perfect and 2 imperfect interpolant sequences [2021-12-07 00:24:07,381 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-12-07 00:24:07,381 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 5, 5] total 14 [2021-12-07 00:24:07,381 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1905369149] [2021-12-07 00:24:07,381 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-12-07 00:24:07,382 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2021-12-07 00:24:07,382 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-07 00:24:07,382 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-12-07 00:24:07,382 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=44, Invalid=138, Unknown=0, NotChecked=0, Total=182 [2021-12-07 00:24:07,382 INFO L87 Difference]: Start difference. First operand 374 states and 506 transitions. Second operand has 14 states, 14 states have (on average 6.142857142857143) internal successors, (86), 10 states have internal predecessors, (86), 2 states have call successors, (16), 6 states have call predecessors, (16), 4 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2021-12-07 00:24:07,654 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-07 00:24:07,655 INFO L93 Difference]: Finished difference Result 739 states and 1006 transitions. [2021-12-07 00:24:07,655 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-12-07 00:24:07,655 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 6.142857142857143) internal successors, (86), 10 states have internal predecessors, (86), 2 states have call successors, (16), 6 states have call predecessors, (16), 4 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) Word has length 99 [2021-12-07 00:24:07,655 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-07 00:24:07,658 INFO L225 Difference]: With dead ends: 739 [2021-12-07 00:24:07,658 INFO L226 Difference]: Without dead ends: 381 [2021-12-07 00:24:07,659 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 229 GetRequests, 208 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 102 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=119, Invalid=387, Unknown=0, NotChecked=0, Total=506 [2021-12-07 00:24:07,660 INFO L933 BasicCegarLoop]: 95 mSDtfsCounter, 62 mSDsluCounter, 651 mSDsCounter, 0 mSdLazyCounter, 209 mSolverCounterSat, 41 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 63 SdHoareTripleChecker+Valid, 746 SdHoareTripleChecker+Invalid, 250 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 41 IncrementalHoareTripleChecker+Valid, 209 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-12-07 00:24:07,660 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [63 Valid, 746 Invalid, 250 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [41 Valid, 209 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-12-07 00:24:07,661 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 381 states. [2021-12-07 00:24:07,680 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 381 to 381. [2021-12-07 00:24:07,681 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 381 states, 358 states have (on average 1.3603351955307263) internal successors, (487), 361 states have internal predecessors, (487), 12 states have call successors, (12), 9 states have call predecessors, (12), 10 states have return successors, (14), 10 states have call predecessors, (14), 10 states have call successors, (14) [2021-12-07 00:24:07,683 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 381 states to 381 states and 513 transitions. [2021-12-07 00:24:07,683 INFO L78 Accepts]: Start accepts. Automaton has 381 states and 513 transitions. Word has length 99 [2021-12-07 00:24:07,684 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-07 00:24:07,684 INFO L470 AbstractCegarLoop]: Abstraction has 381 states and 513 transitions. [2021-12-07 00:24:07,684 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 6.142857142857143) internal successors, (86), 10 states have internal predecessors, (86), 2 states have call successors, (16), 6 states have call predecessors, (16), 4 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2021-12-07 00:24:07,684 INFO L276 IsEmpty]: Start isEmpty. Operand 381 states and 513 transitions. [2021-12-07 00:24:07,686 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2021-12-07 00:24:07,686 INFO L506 BasicCegarLoop]: Found error trace [2021-12-07 00:24:07,686 INFO L514 BasicCegarLoop]: trace histogram [8, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-07 00:24:07,708 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f225346b-ca83-4416-8b7d-e64e2dd8e1d6/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2021-12-07 00:24:07,886 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11,6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f225346b-ca83-4416-8b7d-e64e2dd8e1d6/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-07 00:24:07,887 INFO L402 AbstractCegarLoop]: === Iteration 13 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-07 00:24:07,888 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 00:24:07,889 INFO L85 PathProgramCache]: Analyzing trace with hash -1894269569, now seen corresponding path program 2 times [2021-12-07 00:24:07,889 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-07 00:24:07,889 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1633047088] [2021-12-07 00:24:07,890 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 00:24:07,890 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-07 00:24:08,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:24:08,120 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-07 00:24:08,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:24:08,133 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:24:08,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:24:08,139 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-07 00:24:08,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:24:08,143 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-07 00:24:08,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:24:08,148 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:24:08,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:24:08,152 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-07 00:24:08,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:24:08,164 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2021-12-07 00:24:08,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:24:08,172 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2021-12-07 00:24:08,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:24:08,185 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2021-12-07 00:24:08,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:24:08,189 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2021-12-07 00:24:08,190 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-07 00:24:08,190 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1633047088] [2021-12-07 00:24:08,190 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1633047088] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-07 00:24:08,190 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-07 00:24:08,190 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-12-07 00:24:08,190 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [989321725] [2021-12-07 00:24:08,190 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-07 00:24:08,191 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2021-12-07 00:24:08,191 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-07 00:24:08,191 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-12-07 00:24:08,191 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2021-12-07 00:24:08,191 INFO L87 Difference]: Start difference. First operand 381 states and 513 transitions. Second operand has 9 states, 9 states have (on average 7.222222222222222) internal successors, (65), 5 states have internal predecessors, (65), 2 states have call successors, (8), 6 states have call predecessors, (8), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2021-12-07 00:24:08,397 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-07 00:24:08,397 INFO L93 Difference]: Finished difference Result 964 states and 1323 transitions. [2021-12-07 00:24:08,398 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-12-07 00:24:08,398 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 7.222222222222222) internal successors, (65), 5 states have internal predecessors, (65), 2 states have call successors, (8), 6 states have call predecessors, (8), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) Word has length 105 [2021-12-07 00:24:08,398 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-07 00:24:08,402 INFO L225 Difference]: With dead ends: 964 [2021-12-07 00:24:08,402 INFO L226 Difference]: Without dead ends: 617 [2021-12-07 00:24:08,403 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=39, Invalid=117, Unknown=0, NotChecked=0, Total=156 [2021-12-07 00:24:08,404 INFO L933 BasicCegarLoop]: 132 mSDtfsCounter, 82 mSDsluCounter, 682 mSDsCounter, 0 mSdLazyCounter, 198 mSolverCounterSat, 31 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 83 SdHoareTripleChecker+Valid, 814 SdHoareTripleChecker+Invalid, 229 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 31 IncrementalHoareTripleChecker+Valid, 198 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-12-07 00:24:08,404 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [83 Valid, 814 Invalid, 229 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [31 Valid, 198 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-12-07 00:24:08,405 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 617 states. [2021-12-07 00:24:08,429 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 617 to 393. [2021-12-07 00:24:08,430 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 393 states, 370 states have (on average 1.3486486486486486) internal successors, (499), 373 states have internal predecessors, (499), 12 states have call successors, (12), 9 states have call predecessors, (12), 10 states have return successors, (14), 10 states have call predecessors, (14), 10 states have call successors, (14) [2021-12-07 00:24:08,431 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 393 states to 393 states and 525 transitions. [2021-12-07 00:24:08,432 INFO L78 Accepts]: Start accepts. Automaton has 393 states and 525 transitions. Word has length 105 [2021-12-07 00:24:08,432 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-07 00:24:08,432 INFO L470 AbstractCegarLoop]: Abstraction has 393 states and 525 transitions. [2021-12-07 00:24:08,432 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 7.222222222222222) internal successors, (65), 5 states have internal predecessors, (65), 2 states have call successors, (8), 6 states have call predecessors, (8), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2021-12-07 00:24:08,432 INFO L276 IsEmpty]: Start isEmpty. Operand 393 states and 525 transitions. [2021-12-07 00:24:08,433 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2021-12-07 00:24:08,433 INFO L506 BasicCegarLoop]: Found error trace [2021-12-07 00:24:08,433 INFO L514 BasicCegarLoop]: trace histogram [8, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-07 00:24:08,433 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2021-12-07 00:24:08,434 INFO L402 AbstractCegarLoop]: === Iteration 14 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-07 00:24:08,434 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 00:24:08,434 INFO L85 PathProgramCache]: Analyzing trace with hash -1192669695, now seen corresponding path program 1 times [2021-12-07 00:24:08,434 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-07 00:24:08,434 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1844557809] [2021-12-07 00:24:08,434 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 00:24:08,434 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-07 00:24:08,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:24:08,770 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-07 00:24:08,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:24:08,783 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:24:08,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:24:08,787 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-07 00:24:08,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:24:08,790 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-07 00:24:08,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:24:08,797 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:24:08,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:24:08,801 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-07 00:24:08,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:24:08,813 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2021-12-07 00:24:08,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:24:08,990 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2021-12-07 00:24:08,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:24:09,350 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2021-12-07 00:24:09,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:24:09,356 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 15 proven. 36 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2021-12-07 00:24:09,356 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-07 00:24:09,357 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1844557809] [2021-12-07 00:24:09,357 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1844557809] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-07 00:24:09,357 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [461689588] [2021-12-07 00:24:09,357 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 00:24:09,357 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-07 00:24:09,357 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f225346b-ca83-4416-8b7d-e64e2dd8e1d6/bin/uautomizer-DrprNOufMa/z3 [2021-12-07 00:24:09,358 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f225346b-ca83-4416-8b7d-e64e2dd8e1d6/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-07 00:24:09,359 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f225346b-ca83-4416-8b7d-e64e2dd8e1d6/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2021-12-07 00:24:09,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:24:09,637 INFO L263 TraceCheckSpWp]: Trace formula consists of 948 conjuncts, 52 conjunts are in the unsatisfiable core [2021-12-07 00:24:09,640 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-07 00:24:09,823 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-12-07 00:24:09,824 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 103 treesize of output 72 [2021-12-07 00:24:09,835 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-12-07 00:24:09,835 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 66 treesize of output 51 [2021-12-07 00:24:09,961 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2021-12-07 00:24:09,961 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-07 00:24:09,961 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [461689588] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-07 00:24:09,961 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-12-07 00:24:09,962 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [21] total 26 [2021-12-07 00:24:09,962 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1385223561] [2021-12-07 00:24:09,962 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-07 00:24:09,962 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-12-07 00:24:09,962 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-07 00:24:09,963 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-12-07 00:24:09,963 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=69, Invalid=581, Unknown=0, NotChecked=0, Total=650 [2021-12-07 00:24:09,963 INFO L87 Difference]: Start difference. First operand 393 states and 525 transitions. Second operand has 7 states, 6 states have (on average 10.833333333333334) internal successors, (65), 7 states have internal predecessors, (65), 3 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2021-12-07 00:24:10,168 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-07 00:24:10,169 INFO L93 Difference]: Finished difference Result 870 states and 1171 transitions. [2021-12-07 00:24:10,169 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-12-07 00:24:10,169 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 10.833333333333334) internal successors, (65), 7 states have internal predecessors, (65), 3 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) Word has length 105 [2021-12-07 00:24:10,170 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-07 00:24:10,173 INFO L225 Difference]: With dead ends: 870 [2021-12-07 00:24:10,173 INFO L226 Difference]: Without dead ends: 602 [2021-12-07 00:24:10,174 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 149 GetRequests, 121 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 135 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=88, Invalid=782, Unknown=0, NotChecked=0, Total=870 [2021-12-07 00:24:10,175 INFO L933 BasicCegarLoop]: 219 mSDtfsCounter, 204 mSDsluCounter, 896 mSDsCounter, 0 mSdLazyCounter, 74 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 204 SdHoareTripleChecker+Valid, 1115 SdHoareTripleChecker+Invalid, 77 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 74 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-12-07 00:24:10,175 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [204 Valid, 1115 Invalid, 77 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 74 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-12-07 00:24:10,176 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 602 states. [2021-12-07 00:24:10,200 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 602 to 284. [2021-12-07 00:24:10,201 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 284 states, 265 states have (on average 1.3132075471698113) internal successors, (348), 266 states have internal predecessors, (348), 12 states have call successors, (12), 9 states have call predecessors, (12), 6 states have return successors, (10), 8 states have call predecessors, (10), 10 states have call successors, (10) [2021-12-07 00:24:10,202 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 284 states to 284 states and 370 transitions. [2021-12-07 00:24:10,202 INFO L78 Accepts]: Start accepts. Automaton has 284 states and 370 transitions. Word has length 105 [2021-12-07 00:24:10,202 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-07 00:24:10,203 INFO L470 AbstractCegarLoop]: Abstraction has 284 states and 370 transitions. [2021-12-07 00:24:10,203 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 10.833333333333334) internal successors, (65), 7 states have internal predecessors, (65), 3 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2021-12-07 00:24:10,203 INFO L276 IsEmpty]: Start isEmpty. Operand 284 states and 370 transitions. [2021-12-07 00:24:10,204 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2021-12-07 00:24:10,204 INFO L506 BasicCegarLoop]: Found error trace [2021-12-07 00:24:10,204 INFO L514 BasicCegarLoop]: trace histogram [8, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-07 00:24:10,226 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f225346b-ca83-4416-8b7d-e64e2dd8e1d6/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2021-12-07 00:24:10,404 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f225346b-ca83-4416-8b7d-e64e2dd8e1d6/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2021-12-07 00:24:10,404 INFO L402 AbstractCegarLoop]: === Iteration 15 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-07 00:24:10,405 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 00:24:10,405 INFO L85 PathProgramCache]: Analyzing trace with hash 1062893161, now seen corresponding path program 1 times [2021-12-07 00:24:10,405 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-07 00:24:10,405 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1380337158] [2021-12-07 00:24:10,405 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 00:24:10,405 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-07 00:24:10,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:24:10,516 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-07 00:24:10,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:24:10,530 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:24:10,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:24:10,534 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-07 00:24:10,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:24:10,539 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-07 00:24:10,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:24:10,546 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:24:10,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:24:10,551 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-07 00:24:10,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:24:10,561 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2021-12-07 00:24:10,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:24:10,573 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2021-12-07 00:24:10,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:24:10,589 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2021-12-07 00:24:10,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:24:10,615 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 72 trivial. 0 not checked. [2021-12-07 00:24:10,615 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-07 00:24:10,615 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1380337158] [2021-12-07 00:24:10,615 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1380337158] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-07 00:24:10,615 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-07 00:24:10,615 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-12-07 00:24:10,615 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [22533853] [2021-12-07 00:24:10,615 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-07 00:24:10,616 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2021-12-07 00:24:10,616 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-07 00:24:10,616 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-12-07 00:24:10,616 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=68, Unknown=0, NotChecked=0, Total=90 [2021-12-07 00:24:10,616 INFO L87 Difference]: Start difference. First operand 284 states and 370 transitions. Second operand has 10 states, 10 states have (on average 6.3) internal successors, (63), 7 states have internal predecessors, (63), 4 states have call successors, (8), 6 states have call predecessors, (8), 2 states have return successors, (7), 2 states have call predecessors, (7), 3 states have call successors, (7) [2021-12-07 00:24:10,769 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-07 00:24:10,770 INFO L93 Difference]: Finished difference Result 286 states and 371 transitions. [2021-12-07 00:24:10,770 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-12-07 00:24:10,770 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 6.3) internal successors, (63), 7 states have internal predecessors, (63), 4 states have call successors, (8), 6 states have call predecessors, (8), 2 states have return successors, (7), 2 states have call predecessors, (7), 3 states have call successors, (7) Word has length 107 [2021-12-07 00:24:10,771 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-07 00:24:10,772 INFO L225 Difference]: With dead ends: 286 [2021-12-07 00:24:10,772 INFO L226 Difference]: Without dead ends: 279 [2021-12-07 00:24:10,773 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 16 SyntacticMatches, 1 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 30 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=74, Invalid=166, Unknown=0, NotChecked=0, Total=240 [2021-12-07 00:24:10,773 INFO L933 BasicCegarLoop]: 88 mSDtfsCounter, 226 mSDsluCounter, 311 mSDsCounter, 0 mSdLazyCounter, 131 mSolverCounterSat, 71 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 226 SdHoareTripleChecker+Valid, 399 SdHoareTripleChecker+Invalid, 202 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 71 IncrementalHoareTripleChecker+Valid, 131 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-12-07 00:24:10,774 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [226 Valid, 399 Invalid, 202 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [71 Valid, 131 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-12-07 00:24:10,775 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 279 states. [2021-12-07 00:24:10,790 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 279 to 279. [2021-12-07 00:24:10,791 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 279 states, 261 states have (on average 1.3026819923371646) internal successors, (340), 261 states have internal predecessors, (340), 11 states have call successors, (11), 9 states have call predecessors, (11), 6 states have return successors, (10), 8 states have call predecessors, (10), 10 states have call successors, (10) [2021-12-07 00:24:10,792 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 279 states to 279 states and 361 transitions. [2021-12-07 00:24:10,792 INFO L78 Accepts]: Start accepts. Automaton has 279 states and 361 transitions. Word has length 107 [2021-12-07 00:24:10,793 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-07 00:24:10,793 INFO L470 AbstractCegarLoop]: Abstraction has 279 states and 361 transitions. [2021-12-07 00:24:10,793 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 6.3) internal successors, (63), 7 states have internal predecessors, (63), 4 states have call successors, (8), 6 states have call predecessors, (8), 2 states have return successors, (7), 2 states have call predecessors, (7), 3 states have call successors, (7) [2021-12-07 00:24:10,793 INFO L276 IsEmpty]: Start isEmpty. Operand 279 states and 361 transitions. [2021-12-07 00:24:10,794 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2021-12-07 00:24:10,794 INFO L506 BasicCegarLoop]: Found error trace [2021-12-07 00:24:10,794 INFO L514 BasicCegarLoop]: trace histogram [8, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-07 00:24:10,794 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2021-12-07 00:24:10,794 INFO L402 AbstractCegarLoop]: === Iteration 16 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-07 00:24:10,795 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 00:24:10,795 INFO L85 PathProgramCache]: Analyzing trace with hash -1411237866, now seen corresponding path program 1 times [2021-12-07 00:24:10,795 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-07 00:24:10,795 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1602878280] [2021-12-07 00:24:10,795 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 00:24:10,795 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-07 00:24:10,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:24:10,867 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-07 00:24:10,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:24:10,874 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:24:10,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:24:10,878 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-07 00:24:10,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:24:10,881 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-07 00:24:10,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:24:10,886 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:24:10,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:24:10,890 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-07 00:24:10,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:24:10,899 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2021-12-07 00:24:10,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:24:10,907 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2021-12-07 00:24:10,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:24:10,917 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2021-12-07 00:24:10,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:24:10,925 INFO L134 CoverageAnalysis]: Checked inductivity of 88 backedges. 22 proven. 1 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2021-12-07 00:24:10,925 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-07 00:24:10,925 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1602878280] [2021-12-07 00:24:10,926 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1602878280] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-07 00:24:10,926 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [346887911] [2021-12-07 00:24:10,926 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 00:24:10,926 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-07 00:24:10,926 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f225346b-ca83-4416-8b7d-e64e2dd8e1d6/bin/uautomizer-DrprNOufMa/z3 [2021-12-07 00:24:10,927 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f225346b-ca83-4416-8b7d-e64e2dd8e1d6/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-07 00:24:10,927 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f225346b-ca83-4416-8b7d-e64e2dd8e1d6/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2021-12-07 00:24:11,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:24:11,118 INFO L263 TraceCheckSpWp]: Trace formula consists of 1099 conjuncts, 6 conjunts are in the unsatisfiable core [2021-12-07 00:24:11,121 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-07 00:24:11,218 INFO L134 CoverageAnalysis]: Checked inductivity of 88 backedges. 23 proven. 0 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2021-12-07 00:24:11,218 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-07 00:24:11,218 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [346887911] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-07 00:24:11,218 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-12-07 00:24:11,218 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [8] total 8 [2021-12-07 00:24:11,218 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1082016879] [2021-12-07 00:24:11,218 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-07 00:24:11,219 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-07 00:24:11,219 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-07 00:24:11,219 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-07 00:24:11,219 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2021-12-07 00:24:11,219 INFO L87 Difference]: Start difference. First operand 279 states and 361 transitions. Second operand has 4 states, 4 states have (on average 19.25) internal successors, (77), 4 states have internal predecessors, (77), 3 states have call successors, (9), 3 states have call predecessors, (9), 2 states have return successors, (7), 2 states have call predecessors, (7), 1 states have call successors, (7) [2021-12-07 00:24:11,250 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-07 00:24:11,250 INFO L93 Difference]: Finished difference Result 279 states and 361 transitions. [2021-12-07 00:24:11,250 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-12-07 00:24:11,250 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 19.25) internal successors, (77), 4 states have internal predecessors, (77), 3 states have call successors, (9), 3 states have call predecessors, (9), 2 states have return successors, (7), 2 states have call predecessors, (7), 1 states have call successors, (7) Word has length 118 [2021-12-07 00:24:11,251 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-07 00:24:11,251 INFO L225 Difference]: With dead ends: 279 [2021-12-07 00:24:11,251 INFO L226 Difference]: Without dead ends: 0 [2021-12-07 00:24:11,251 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 142 GetRequests, 135 SyntacticMatches, 1 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2021-12-07 00:24:11,252 INFO L933 BasicCegarLoop]: 92 mSDtfsCounter, 73 mSDsluCounter, 70 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 73 SdHoareTripleChecker+Valid, 162 SdHoareTripleChecker+Invalid, 21 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 18 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-12-07 00:24:11,252 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [73 Valid, 162 Invalid, 21 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-12-07 00:24:11,252 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-12-07 00:24:11,252 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-12-07 00:24:11,252 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 00:24:11,253 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-12-07 00:24:11,253 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 118 [2021-12-07 00:24:11,253 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-07 00:24:11,253 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-12-07 00:24:11,253 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 19.25) internal successors, (77), 4 states have internal predecessors, (77), 3 states have call successors, (9), 3 states have call predecessors, (9), 2 states have return successors, (7), 2 states have call predecessors, (7), 1 states have call successors, (7) [2021-12-07 00:24:11,253 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-12-07 00:24:11,253 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-12-07 00:24:11,255 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2021-12-07 00:24:11,276 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f225346b-ca83-4416-8b7d-e64e2dd8e1d6/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2021-12-07 00:24:11,456 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f225346b-ca83-4416-8b7d-e64e2dd8e1d6/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable15 [2021-12-07 00:24:11,459 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-12-07 00:24:13,604 INFO L858 garLoopResultBuilder]: For program point ldv_init_zallocFINAL(lines 5894 5904) no Hoare annotation was computed. [2021-12-07 00:24:13,605 INFO L854 garLoopResultBuilder]: At program point L5899(line 5899) the Hoare annotation is: (or (not (= ~ldv_state_variable_1~0 0)) (= |#memory_int| |old(#memory_int)|) (not (= ~ldv_module_refcounter~0 1)) (not (= ~ldv_retval_0~0 0))) [2021-12-07 00:24:13,605 INFO L858 garLoopResultBuilder]: For program point L5899-1(line 5899) no Hoare annotation was computed. [2021-12-07 00:24:13,605 INFO L861 garLoopResultBuilder]: At program point L5901(line 5901) the Hoare annotation is: true [2021-12-07 00:24:13,605 INFO L858 garLoopResultBuilder]: For program point ldv_init_zallocEXIT(lines 5894 5904) no Hoare annotation was computed. [2021-12-07 00:24:13,605 INFO L858 garLoopResultBuilder]: For program point L5901-1(line 5901) no Hoare annotation was computed. [2021-12-07 00:24:13,605 INFO L854 garLoopResultBuilder]: At program point ldv_init_zallocENTRY(lines 5894 5904) the Hoare annotation is: (or (not (= ~ldv_state_variable_1~0 0)) (not (= ~ldv_module_refcounter~0 1)) (not (= ~ldv_retval_0~0 0)) (and (= |old(#length)| |#length|) (= |#memory_int| |old(#memory_int)|) (= |old(#valid)| |#valid|))) [2021-12-07 00:24:13,605 INFO L858 garLoopResultBuilder]: For program point L5858-2(lines 5857 5859) no Hoare annotation was computed. [2021-12-07 00:24:13,605 INFO L861 garLoopResultBuilder]: At program point assume_abort_if_notENTRY(lines 5857 5859) the Hoare annotation is: true [2021-12-07 00:24:13,605 INFO L858 garLoopResultBuilder]: For program point L5858(line 5858) no Hoare annotation was computed. [2021-12-07 00:24:13,605 INFO L858 garLoopResultBuilder]: For program point assume_abort_if_notEXIT(lines 5857 5859) no Hoare annotation was computed. [2021-12-07 00:24:13,605 INFO L858 garLoopResultBuilder]: For program point ldv_errorFINAL(lines 6260 6266) no Hoare annotation was computed. [2021-12-07 00:24:13,605 INFO L861 garLoopResultBuilder]: At program point ldv_errorENTRY(lines 6260 6266) the Hoare annotation is: true [2021-12-07 00:24:13,606 INFO L858 garLoopResultBuilder]: For program point ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION(line 6264) no Hoare annotation was computed. [2021-12-07 00:24:13,606 INFO L858 garLoopResultBuilder]: For program point ldv_errorEXIT(lines 6260 6266) no Hoare annotation was computed. [2021-12-07 00:24:13,606 INFO L858 garLoopResultBuilder]: For program point ldv_stopEXIT(lines 5929 5935) no Hoare annotation was computed. [2021-12-07 00:24:13,606 INFO L861 garLoopResultBuilder]: At program point ldv_stopENTRY(lines 5929 5935) the Hoare annotation is: true [2021-12-07 00:24:13,606 INFO L858 garLoopResultBuilder]: For program point L6113-2(lines 6113 6116) no Hoare annotation was computed. [2021-12-07 00:24:13,606 INFO L858 garLoopResultBuilder]: For program point L6113(lines 6113 6116) no Hoare annotation was computed. [2021-12-07 00:24:13,606 INFO L854 garLoopResultBuilder]: At program point L6394(lines 6393 6395) the Hoare annotation is: (and (= ~ldv_module_refcounter~0 1) (= ~ldv_state_variable_0~0 1) (= ~ldv_retval_0~0 0)) [2021-12-07 00:24:13,606 INFO L854 garLoopResultBuilder]: At program point L6237(lines 6167 6242) the Hoare annotation is: (and (= ~ldv_module_refcounter~0 1) (= ~ldv_retval_0~0 0)) [2021-12-07 00:24:13,606 INFO L858 garLoopResultBuilder]: For program point L6204(lines 6204 6209) no Hoare annotation was computed. [2021-12-07 00:24:13,606 INFO L854 garLoopResultBuilder]: At program point L6328(lines 6314 6330) the Hoare annotation is: (let ((.cse7 (+ |~#pppox_protos~0.offset| (* |ULTIMATE.start_pppox_create_~protocol#1| 8)))) (let ((.cse5 (select (select |#memory_$Pointer$.base| |~#pppox_protos~0.base|) .cse7)) (.cse6 (+ (select (select |#memory_$Pointer$.offset| |~#pppox_protos~0.base|) .cse7) 16))) (let ((.cse1 (select (select |#memory_$Pointer$.offset| .cse5) .cse6)) (.cse0 (select (select |#memory_$Pointer$.base| .cse5) .cse6))) (let ((.cse2 (= ~ldv_retval_0~0 0)) (.cse3 (= |ULTIMATE.start_ldv_try_module_get_~module#1.base| .cse0)) (.cse4 (= |ULTIMATE.start_ldv_try_module_get_~module#1.offset| .cse1))) (or (and (<= 2 ~ldv_module_refcounter~0) (<= 1 |ULTIMATE.start_ldv_try_module_get_#res#1|) (not (= (mod (+ .cse0 .cse1) 18446744073709551616) 0)) (<= ~ldv_module_refcounter~0 2) .cse2 .cse3 .cse4) (and (= ~ldv_module_refcounter~0 1) (= |ULTIMATE.start_ldv_try_module_get_#res#1| 0) .cse2 .cse3 .cse4)))))) [2021-12-07 00:24:13,606 INFO L858 garLoopResultBuilder]: For program point L6320(lines 6320 6325) no Hoare annotation was computed. [2021-12-07 00:24:13,606 INFO L854 garLoopResultBuilder]: At program point L6221(lines 6167 6242) the Hoare annotation is: (= ~ldv_module_refcounter~0 1) [2021-12-07 00:24:13,606 INFO L858 garLoopResultBuilder]: For program point L6180(lines 6180 6236) no Hoare annotation was computed. [2021-12-07 00:24:13,607 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-12-07 00:24:13,607 INFO L858 garLoopResultBuilder]: For program point L6362(lines 6362 6365) no Hoare annotation was computed. [2021-12-07 00:24:13,607 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-12-07 00:24:13,607 INFO L861 garLoopResultBuilder]: At program point L6362-1(lines 6359 6368) the Hoare annotation is: true [2021-12-07 00:24:13,607 INFO L854 garLoopResultBuilder]: At program point L6255(line 6255) the Hoare annotation is: (let ((.cse4 (+ |~#pppox_protos~0.offset| (* |ULTIMATE.start_pppox_create_~protocol#1| 8)))) (let ((.cse2 (select (select |#memory_$Pointer$.base| |~#pppox_protos~0.base|) .cse4)) (.cse3 (+ (select (select |#memory_$Pointer$.offset| |~#pppox_protos~0.base|) .cse4) 16))) (let ((.cse0 (select (select |#memory_$Pointer$.base| .cse2) .cse3)) (.cse1 (select (select |#memory_$Pointer$.offset| .cse2) .cse3))) (and (not (= (mod (+ |ULTIMATE.start_ldv_module_put_6_~ldv_func_arg1#1.offset| |ULTIMATE.start_ldv_module_put_6_~ldv_func_arg1#1.base|) 18446744073709551616) 0)) (<= |ULTIMATE.start_ldv_try_module_get_5_#res#1| 1) (<= 2 ~ldv_module_refcounter~0) (<= 1 |ULTIMATE.start_ldv_try_module_get_#res#1|) (<= 1 |ULTIMATE.start_pppox_create_~tmp~8#1|) (not (= (mod (+ .cse0 .cse1) 18446744073709551616) 0)) (<= |ULTIMATE.start_pppox_create_~tmp~8#1| 1) (<= ~ldv_module_refcounter~0 2) (= |ULTIMATE.start_pppox_create_~tmp___0~3#1| 0) (= ~ldv_retval_0~0 0) (= |ULTIMATE.start_ldv_try_module_get_~module#1.base| .cse0) (= |ULTIMATE.start_ldv_try_module_get_~module#1.offset| .cse1) (<= 1 |ULTIMATE.start_ldv_try_module_get_5_#res#1|))))) [2021-12-07 00:24:13,607 INFO L854 garLoopResultBuilder]: At program point L6255-1(lines 6252 6258) the Hoare annotation is: (let ((.cse4 (+ |~#pppox_protos~0.offset| (* |ULTIMATE.start_pppox_create_~protocol#1| 8)))) (let ((.cse2 (select (select |#memory_$Pointer$.base| |~#pppox_protos~0.base|) .cse4)) (.cse3 (+ (select (select |#memory_$Pointer$.offset| |~#pppox_protos~0.base|) .cse4) 16))) (let ((.cse0 (select (select |#memory_$Pointer$.base| .cse2) .cse3)) (.cse1 (select (select |#memory_$Pointer$.offset| .cse2) .cse3))) (and (= ~ldv_module_refcounter~0 1) (not (= (mod (+ |ULTIMATE.start_ldv_module_put_6_~ldv_func_arg1#1.offset| |ULTIMATE.start_ldv_module_put_6_~ldv_func_arg1#1.base|) 18446744073709551616) 0)) (<= |ULTIMATE.start_ldv_try_module_get_5_#res#1| 1) (<= 1 |ULTIMATE.start_ldv_try_module_get_#res#1|) (<= 1 |ULTIMATE.start_pppox_create_~tmp~8#1|) (not (= (mod (+ .cse0 .cse1) 18446744073709551616) 0)) (<= |ULTIMATE.start_pppox_create_~tmp~8#1| 1) (= |ULTIMATE.start_pppox_create_~tmp___0~3#1| 0) (= ~ldv_retval_0~0 0) (= |ULTIMATE.start_ldv_try_module_get_~module#1.base| .cse0) (= |ULTIMATE.start_ldv_try_module_get_~module#1.offset| .cse1) (<= 1 |ULTIMATE.start_ldv_try_module_get_5_#res#1|))))) [2021-12-07 00:24:13,607 INFO L858 garLoopResultBuilder]: For program point L6214(lines 6214 6218) no Hoare annotation was computed. [2021-12-07 00:24:13,607 INFO L858 garLoopResultBuilder]: For program point L6181(line 6181) no Hoare annotation was computed. [2021-12-07 00:24:13,607 INFO L858 garLoopResultBuilder]: For program point L6214-2(lines 6212 6224) no Hoare annotation was computed. [2021-12-07 00:24:13,607 INFO L854 garLoopResultBuilder]: At program point L6363(line 6363) the Hoare annotation is: false [2021-12-07 00:24:13,607 INFO L854 garLoopResultBuilder]: At program point L6173(line 6173) the Hoare annotation is: (and (= ~ldv_module_refcounter~0 1) (= ~ldv_state_variable_1~0 0) (= ~ldv_retval_0~0 0)) [2021-12-07 00:24:13,607 INFO L858 garLoopResultBuilder]: For program point L6173-1(line 6173) no Hoare annotation was computed. [2021-12-07 00:24:13,607 INFO L858 garLoopResultBuilder]: For program point L6182(lines 6182 6197) no Hoare annotation was computed. [2021-12-07 00:24:13,607 INFO L854 garLoopResultBuilder]: At program point L6174(line 6174) the Hoare annotation is: (and (= ~ldv_module_refcounter~0 1) (= ~ldv_state_variable_1~0 0) (= ~ldv_retval_0~0 0)) [2021-12-07 00:24:13,608 INFO L854 garLoopResultBuilder]: At program point L5918(lines 5913 5920) the Hoare annotation is: (let ((.cse4 (+ |~#pppox_protos~0.offset| (* |ULTIMATE.start_pppox_create_~protocol#1| 8)))) (let ((.cse2 (select (select |#memory_$Pointer$.base| |~#pppox_protos~0.base|) .cse4)) (.cse3 (+ (select (select |#memory_$Pointer$.offset| |~#pppox_protos~0.base|) .cse4) 16))) (let ((.cse0 (select (select |#memory_$Pointer$.base| .cse2) .cse3)) (.cse1 (select (select |#memory_$Pointer$.offset| .cse2) .cse3))) (and (= ~ldv_module_refcounter~0 1) (not (= (mod (+ .cse0 .cse1) 18446744073709551616) 0)) (= ~ldv_retval_0~0 0) (= |ULTIMATE.start_ldv_try_module_get_~module#1.base| .cse0) (= |ULTIMATE.start_ldv_try_module_get_~module#1.offset| .cse1))))) [2021-12-07 00:24:13,608 INFO L858 garLoopResultBuilder]: For program point L6174-1(line 6174) no Hoare annotation was computed. [2021-12-07 00:24:13,608 INFO L858 garLoopResultBuilder]: For program point L6108(lines 6108 6111) no Hoare annotation was computed. [2021-12-07 00:24:13,608 INFO L854 garLoopResultBuilder]: At program point L6397(lines 6396 6398) the Hoare annotation is: (and (= ~ldv_module_refcounter~0 1) (= ~ldv_retval_0~0 0)) [2021-12-07 00:24:13,608 INFO L858 garLoopResultBuilder]: For program point L6199(line 6199) no Hoare annotation was computed. [2021-12-07 00:24:13,608 INFO L854 garLoopResultBuilder]: At program point L6133(lines 6106 6135) the Hoare annotation is: (and (= ~ldv_module_refcounter~0 1) (= ~ldv_retval_0~0 0)) [2021-12-07 00:24:13,608 INFO L854 garLoopResultBuilder]: At program point L6150(lines 6146 6152) the Hoare annotation is: (and (= ~ldv_module_refcounter~0 1) (= ~ldv_retval_0~0 0)) [2021-12-07 00:24:13,608 INFO L854 garLoopResultBuilder]: At program point L6249(lines 6244 6251) the Hoare annotation is: (let ((.cse7 (+ |~#pppox_protos~0.offset| (* |ULTIMATE.start_pppox_create_~protocol#1| 8)))) (let ((.cse5 (select (select |#memory_$Pointer$.base| |~#pppox_protos~0.base|) .cse7)) (.cse6 (+ (select (select |#memory_$Pointer$.offset| |~#pppox_protos~0.base|) .cse7) 16))) (let ((.cse1 (select (select |#memory_$Pointer$.offset| .cse5) .cse6)) (.cse0 (select (select |#memory_$Pointer$.base| .cse5) .cse6))) (let ((.cse2 (= ~ldv_retval_0~0 0)) (.cse3 (= |ULTIMATE.start_ldv_try_module_get_~module#1.base| .cse0)) (.cse4 (= |ULTIMATE.start_ldv_try_module_get_~module#1.offset| .cse1))) (or (and (<= |ULTIMATE.start_ldv_try_module_get_5_#res#1| 1) (<= 2 ~ldv_module_refcounter~0) (<= 1 |ULTIMATE.start_ldv_try_module_get_#res#1|) (not (= (mod (+ .cse0 .cse1) 18446744073709551616) 0)) (<= ~ldv_module_refcounter~0 2) .cse2 .cse3 .cse4 (<= 1 |ULTIMATE.start_ldv_try_module_get_5_#res#1|)) (and (= ~ldv_module_refcounter~0 1) (= |ULTIMATE.start_ldv_try_module_get_5_#res#1| 0) (= |ULTIMATE.start_ldv_try_module_get_#res#1| 0) .cse2 .cse3 .cse4)))))) [2021-12-07 00:24:13,608 INFO L858 garLoopResultBuilder]: For program point L6117(lines 6117 6130) no Hoare annotation was computed. [2021-12-07 00:24:13,608 INFO L861 garLoopResultBuilder]: At program point L6241(lines 6156 6243) the Hoare annotation is: true [2021-12-07 00:24:13,608 INFO L854 garLoopResultBuilder]: At program point L6134(lines 6101 6136) the Hoare annotation is: (and (= ~ldv_module_refcounter~0 1) (= ~ldv_retval_0~0 0)) [2021-12-07 00:24:13,608 INFO L858 garLoopResultBuilder]: For program point L6200(lines 6200 6232) no Hoare annotation was computed. [2021-12-07 00:24:13,608 INFO L858 garLoopResultBuilder]: For program point L6192(line 6192) no Hoare annotation was computed. [2021-12-07 00:24:13,609 INFO L858 garLoopResultBuilder]: For program point L6184(lines 6184 6194) no Hoare annotation was computed. [2021-12-07 00:24:13,609 INFO L854 garLoopResultBuilder]: At program point L6143(lines 6138 6145) the Hoare annotation is: (and (= ~ldv_module_refcounter~0 1) (= ~ldv_state_variable_0~0 1) (= ~ldv_retval_0~0 0)) [2021-12-07 00:24:13,609 INFO L858 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2021-12-07 00:24:13,609 INFO L858 garLoopResultBuilder]: For program point L-1-1(line -1) no Hoare annotation was computed. [2021-12-07 00:24:13,609 INFO L858 garLoopResultBuilder]: For program point L6234(line 6234) no Hoare annotation was computed. [2021-12-07 00:24:13,609 INFO L858 garLoopResultBuilder]: For program point L6168-1(line 6168) no Hoare annotation was computed. [2021-12-07 00:24:13,609 INFO L854 garLoopResultBuilder]: At program point L6168(line 6168) the Hoare annotation is: (and (= ~ldv_module_refcounter~0 1) (= ~ldv_state_variable_1~0 0) (= ~ldv_retval_0~0 0)) [2021-12-07 00:24:13,609 INFO L861 garLoopResultBuilder]: At program point L6193(line 6193) the Hoare annotation is: true [2021-12-07 00:24:13,609 INFO L858 garLoopResultBuilder]: For program point L6185(line 6185) no Hoare annotation was computed. [2021-12-07 00:24:13,609 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-12-07 00:24:13,609 INFO L861 garLoopResultBuilder]: At program point L6235(line 6235) the Hoare annotation is: true [2021-12-07 00:24:13,609 INFO L858 garLoopResultBuilder]: For program point L6202(lines 6202 6229) no Hoare annotation was computed. [2021-12-07 00:24:13,609 INFO L858 garLoopResultBuilder]: For program point L6227(line 6227) no Hoare annotation was computed. [2021-12-07 00:24:13,609 INFO L858 garLoopResultBuilder]: For program point L6318(lines 6318 6327) no Hoare annotation was computed. [2021-12-07 00:24:13,609 INFO L858 garLoopResultBuilder]: For program point L6186(lines 6186 6190) no Hoare annotation was computed. [2021-12-07 00:24:13,609 INFO L858 garLoopResultBuilder]: For program point L6211(line 6211) no Hoare annotation was computed. [2021-12-07 00:24:13,610 INFO L858 garLoopResultBuilder]: For program point L6203(line 6203) no Hoare annotation was computed. [2021-12-07 00:24:13,610 INFO L854 garLoopResultBuilder]: At program point L6170(line 6170) the Hoare annotation is: (and (= ~ldv_module_refcounter~0 1) (= ~ldv_state_variable_1~0 0) (= ~ldv_retval_0~0 0)) [2021-12-07 00:24:13,610 INFO L858 garLoopResultBuilder]: For program point L6170-1(line 6170) no Hoare annotation was computed. [2021-12-07 00:24:13,610 INFO L861 garLoopResultBuilder]: At program point L6228(line 6228) the Hoare annotation is: true [2021-12-07 00:24:13,610 INFO L858 garLoopResultBuilder]: For program point L6121-2(lines 6119 6130) no Hoare annotation was computed. [2021-12-07 00:24:13,610 INFO L858 garLoopResultBuilder]: For program point L6121(lines 6121 6125) no Hoare annotation was computed. [2021-12-07 00:24:13,610 INFO L854 garLoopResultBuilder]: At program point L6377(lines 6376 6378) the Hoare annotation is: (and (= ~ldv_module_refcounter~0 1) (= ~ldv_state_variable_1~0 0) (= ~ldv_retval_0~0 0)) [2021-12-07 00:24:13,610 INFO L858 garLoopResultBuilder]: For program point L6212(lines 6212 6225) no Hoare annotation was computed. [2021-12-07 00:24:13,610 INFO L858 garLoopResultBuilder]: For program point L6334(lines 6334 6341) no Hoare annotation was computed. [2021-12-07 00:24:13,610 INFO L858 garLoopResultBuilder]: For program point L6335-1(lines 6335 6338) no Hoare annotation was computed. [2021-12-07 00:24:13,610 INFO L858 garLoopResultBuilder]: For program point L6335(lines 6335 6338) no Hoare annotation was computed. [2021-12-07 00:24:13,610 INFO L854 garLoopResultBuilder]: At program point L6336(line 6336) the Hoare annotation is: (or (not (<= |old(~ldv_module_refcounter~0)| 2)) (not (= ~ldv_retval_0~0 0)) (not (<= 2 |old(~ldv_module_refcounter~0)|))) [2021-12-07 00:24:13,610 INFO L858 garLoopResultBuilder]: For program point L6334-2(lines 6331 6344) no Hoare annotation was computed. [2021-12-07 00:24:13,610 INFO L854 garLoopResultBuilder]: At program point ldv_module_putENTRY(lines 6331 6344) the Hoare annotation is: (or (not (<= |old(~ldv_module_refcounter~0)| 2)) (= ~ldv_module_refcounter~0 |old(~ldv_module_refcounter~0)|) (not (= ~ldv_retval_0~0 0)) (not (<= 2 |old(~ldv_module_refcounter~0)|))) [2021-12-07 00:24:13,610 INFO L858 garLoopResultBuilder]: For program point ldv_module_putEXIT(lines 6331 6344) no Hoare annotation was computed. [2021-12-07 00:24:13,611 INFO L858 garLoopResultBuilder]: For program point ldv_memsetFINAL(lines 5905 5912) no Hoare annotation was computed. [2021-12-07 00:24:13,611 INFO L861 garLoopResultBuilder]: At program point L-1-1(line -1) the Hoare annotation is: true [2021-12-07 00:24:13,611 INFO L858 garLoopResultBuilder]: For program point L-1-2(line -1) no Hoare annotation was computed. [2021-12-07 00:24:13,611 INFO L854 garLoopResultBuilder]: At program point ldv_memsetENTRY(lines 5905 5912) the Hoare annotation is: (or (not (= ~ldv_state_variable_1~0 0)) (and (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|)) (not (= ~ldv_module_refcounter~0 1)) (not (= ~ldv_retval_0~0 0))) [2021-12-07 00:24:13,611 INFO L858 garLoopResultBuilder]: For program point ldv_memsetEXIT(lines 5905 5912) no Hoare annotation was computed. [2021-12-07 00:24:13,611 INFO L854 garLoopResultBuilder]: At program point #Ultimate.meminitENTRY(line -1) the Hoare annotation is: (or (not (= ~ldv_state_variable_1~0 0)) (= |#memory_int| |old(#memory_int)|) (not (= ~ldv_module_refcounter~0 1)) (not (= ~ldv_retval_0~0 0))) [2021-12-07 00:24:13,611 INFO L858 garLoopResultBuilder]: For program point #Ultimate.meminitEXIT(line -1) no Hoare annotation was computed. [2021-12-07 00:24:13,611 INFO L858 garLoopResultBuilder]: For program point #Ultimate.meminitFINAL(line -1) no Hoare annotation was computed. [2021-12-07 00:24:13,613 INFO L732 BasicCegarLoop]: Path program histogram: [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-07 00:24:13,614 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-12-07 00:24:13,619 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-12-07 00:24:13,620 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-12-07 00:24:13,620 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2021-12-07 00:24:13,620 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2021-12-07 00:24:13,620 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-12-07 00:24:13,620 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2021-12-07 00:24:13,621 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-12-07 00:24:13,621 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-12-07 00:24:13,621 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2021-12-07 00:24:13,621 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2021-12-07 00:24:13,621 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-12-07 00:24:13,621 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2021-12-07 00:24:13,621 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-12-07 00:24:13,621 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-12-07 00:24:13,622 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2021-12-07 00:24:13,622 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2021-12-07 00:24:13,622 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-12-07 00:24:13,622 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2021-12-07 00:24:13,627 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-12-07 00:24:13,627 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-12-07 00:24:13,627 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2021-12-07 00:24:13,627 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2021-12-07 00:24:13,627 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-12-07 00:24:13,627 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2021-12-07 00:24:13,627 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-12-07 00:24:13,627 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-12-07 00:24:13,628 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2021-12-07 00:24:13,628 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2021-12-07 00:24:13,628 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-12-07 00:24:13,628 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2021-12-07 00:24:13,628 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-12-07 00:24:13,628 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-12-07 00:24:13,628 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2021-12-07 00:24:13,628 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2021-12-07 00:24:13,628 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-12-07 00:24:13,629 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2021-12-07 00:24:13,630 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-12-07 00:24:13,631 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-12-07 00:24:13,631 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2021-12-07 00:24:13,631 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2021-12-07 00:24:13,631 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-12-07 00:24:13,631 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2021-12-07 00:24:13,631 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-12-07 00:24:13,631 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-12-07 00:24:13,632 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2021-12-07 00:24:13,632 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2021-12-07 00:24:13,632 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-12-07 00:24:13,632 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2021-12-07 00:24:13,632 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-12-07 00:24:13,632 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-12-07 00:24:13,632 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2021-12-07 00:24:13,632 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2021-12-07 00:24:13,632 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-12-07 00:24:13,632 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2021-12-07 00:24:13,634 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-12-07 00:24:13,634 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-12-07 00:24:13,634 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2021-12-07 00:24:13,634 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2021-12-07 00:24:13,634 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-12-07 00:24:13,634 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2021-12-07 00:24:13,635 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-12-07 00:24:13,635 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-12-07 00:24:13,635 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2021-12-07 00:24:13,635 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2021-12-07 00:24:13,635 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-12-07 00:24:13,635 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2021-12-07 00:24:13,635 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-12-07 00:24:13,635 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-12-07 00:24:13,635 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2021-12-07 00:24:13,636 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2021-12-07 00:24:13,636 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-12-07 00:24:13,636 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2021-12-07 00:24:13,637 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-12-07 00:24:13,637 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-12-07 00:24:13,637 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2021-12-07 00:24:13,637 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2021-12-07 00:24:13,637 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-12-07 00:24:13,638 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2021-12-07 00:24:13,638 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-12-07 00:24:13,638 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-12-07 00:24:13,638 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2021-12-07 00:24:13,638 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2021-12-07 00:24:13,638 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-12-07 00:24:13,638 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2021-12-07 00:24:13,639 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-12-07 00:24:13,639 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-12-07 00:24:13,639 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2021-12-07 00:24:13,639 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2021-12-07 00:24:13,640 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-12-07 00:24:13,640 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2021-12-07 00:24:13,640 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-12-07 00:24:13,640 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-12-07 00:24:13,640 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2021-12-07 00:24:13,640 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2021-12-07 00:24:13,640 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-12-07 00:24:13,640 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2021-12-07 00:24:13,642 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-12-07 00:24:13,642 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-12-07 00:24:13,642 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2021-12-07 00:24:13,642 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2021-12-07 00:24:13,642 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-12-07 00:24:13,642 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2021-12-07 00:24:13,642 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-12-07 00:24:13,643 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-12-07 00:24:13,643 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2021-12-07 00:24:13,643 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2021-12-07 00:24:13,643 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-12-07 00:24:13,643 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2021-12-07 00:24:13,644 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-12-07 00:24:13,644 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-12-07 00:24:13,644 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2021-12-07 00:24:13,644 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2021-12-07 00:24:13,644 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-12-07 00:24:13,644 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2021-12-07 00:24:13,644 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-12-07 00:24:13,644 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-12-07 00:24:13,644 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2021-12-07 00:24:13,645 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2021-12-07 00:24:13,645 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-12-07 00:24:13,645 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2021-12-07 00:24:13,646 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.12 12:24:13 BoogieIcfgContainer [2021-12-07 00:24:13,646 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-12-07 00:24:13,646 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-12-07 00:24:13,646 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-12-07 00:24:13,647 INFO L275 PluginConnector]: Witness Printer initialized [2021-12-07 00:24:13,647 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 12:24:01" (3/4) ... [2021-12-07 00:24:13,649 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-12-07 00:24:13,654 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_error [2021-12-07 00:24:13,654 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_stop [2021-12-07 00:24:13,654 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_module_put [2021-12-07 00:24:13,654 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_init_zalloc [2021-12-07 00:24:13,654 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure assume_abort_if_not [2021-12-07 00:24:13,654 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_memset [2021-12-07 00:24:13,654 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure #Ultimate.meminit [2021-12-07 00:24:13,661 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 40 nodes and edges [2021-12-07 00:24:13,662 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2021-12-07 00:24:13,662 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2021-12-07 00:24:13,663 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2021-12-07 00:24:13,682 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((((ldv_module_refcounter == 1 && !((ldv_func_arg1 + ldv_func_arg1) % 18446744073709551616 == 0)) && \result <= 1) && 1 <= \result) && 1 <= tmp) && !((#memory_$Pointer$[#memory_$Pointer$[pppox_protos][pppox_protos + protocol * 8]][#memory_$Pointer$[pppox_protos][pppox_protos + protocol * 8] + 16] + #memory_$Pointer$[#memory_$Pointer$[pppox_protos][pppox_protos + protocol * 8]][#memory_$Pointer$[pppox_protos][pppox_protos + protocol * 8] + 16]) % 18446744073709551616 == 0)) && tmp <= 1) && tmp___0 == 0) && ldv_retval_0 == 0) && module == #memory_$Pointer$[#memory_$Pointer$[pppox_protos][pppox_protos + protocol * 8]][#memory_$Pointer$[pppox_protos][pppox_protos + protocol * 8] + 16]) && module == #memory_$Pointer$[#memory_$Pointer$[pppox_protos][pppox_protos + protocol * 8]][#memory_$Pointer$[pppox_protos][pppox_protos + protocol * 8] + 16]) && 1 <= \result [2021-12-07 00:24:13,683 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((2 <= ldv_module_refcounter && 1 <= \result) && !((#memory_$Pointer$[#memory_$Pointer$[pppox_protos][pppox_protos + protocol * 8]][#memory_$Pointer$[pppox_protos][pppox_protos + protocol * 8] + 16] + #memory_$Pointer$[#memory_$Pointer$[pppox_protos][pppox_protos + protocol * 8]][#memory_$Pointer$[pppox_protos][pppox_protos + protocol * 8] + 16]) % 18446744073709551616 == 0)) && ldv_module_refcounter <= 2) && ldv_retval_0 == 0) && module == #memory_$Pointer$[#memory_$Pointer$[pppox_protos][pppox_protos + protocol * 8]][#memory_$Pointer$[pppox_protos][pppox_protos + protocol * 8] + 16]) && module == #memory_$Pointer$[#memory_$Pointer$[pppox_protos][pppox_protos + protocol * 8]][#memory_$Pointer$[pppox_protos][pppox_protos + protocol * 8] + 16]) || ((((ldv_module_refcounter == 1 && \result == 0) && ldv_retval_0 == 0) && module == #memory_$Pointer$[#memory_$Pointer$[pppox_protos][pppox_protos + protocol * 8]][#memory_$Pointer$[pppox_protos][pppox_protos + protocol * 8] + 16]) && module == #memory_$Pointer$[#memory_$Pointer$[pppox_protos][pppox_protos + protocol * 8]][#memory_$Pointer$[pppox_protos][pppox_protos + protocol * 8] + 16]) [2021-12-07 00:24:13,683 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((\result <= 1 && 2 <= ldv_module_refcounter) && 1 <= \result) && !((#memory_$Pointer$[#memory_$Pointer$[pppox_protos][pppox_protos + protocol * 8]][#memory_$Pointer$[pppox_protos][pppox_protos + protocol * 8] + 16] + #memory_$Pointer$[#memory_$Pointer$[pppox_protos][pppox_protos + protocol * 8]][#memory_$Pointer$[pppox_protos][pppox_protos + protocol * 8] + 16]) % 18446744073709551616 == 0)) && ldv_module_refcounter <= 2) && ldv_retval_0 == 0) && module == #memory_$Pointer$[#memory_$Pointer$[pppox_protos][pppox_protos + protocol * 8]][#memory_$Pointer$[pppox_protos][pppox_protos + protocol * 8] + 16]) && module == #memory_$Pointer$[#memory_$Pointer$[pppox_protos][pppox_protos + protocol * 8]][#memory_$Pointer$[pppox_protos][pppox_protos + protocol * 8] + 16]) && 1 <= \result) || (((((ldv_module_refcounter == 1 && \result == 0) && \result == 0) && ldv_retval_0 == 0) && module == #memory_$Pointer$[#memory_$Pointer$[pppox_protos][pppox_protos + protocol * 8]][#memory_$Pointer$[pppox_protos][pppox_protos + protocol * 8] + 16]) && module == #memory_$Pointer$[#memory_$Pointer$[pppox_protos][pppox_protos + protocol * 8]][#memory_$Pointer$[pppox_protos][pppox_protos + protocol * 8] + 16]) [2021-12-07 00:24:13,716 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f225346b-ca83-4416-8b7d-e64e2dd8e1d6/bin/uautomizer-DrprNOufMa/witness.graphml [2021-12-07 00:24:13,716 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-12-07 00:24:13,716 INFO L158 Benchmark]: Toolchain (without parser) took 13404.26ms. Allocated memory was 94.4MB in the beginning and 251.7MB in the end (delta: 157.3MB). Free memory was 70.4MB in the beginning and 173.7MB in the end (delta: -103.4MB). Peak memory consumption was 54.4MB. Max. memory is 16.1GB. [2021-12-07 00:24:13,716 INFO L158 Benchmark]: CDTParser took 0.12ms. Allocated memory is still 94.4MB. Free memory is still 73.3MB. There was no memory consumed. Max. memory is 16.1GB. [2021-12-07 00:24:13,717 INFO L158 Benchmark]: CACSL2BoogieTranslator took 707.68ms. Allocated memory was 94.4MB in the beginning and 117.4MB in the end (delta: 23.1MB). Free memory was 70.0MB in the beginning and 66.2MB in the end (delta: 3.8MB). Peak memory consumption was 57.0MB. Max. memory is 16.1GB. [2021-12-07 00:24:13,717 INFO L158 Benchmark]: Boogie Procedure Inliner took 53.05ms. Allocated memory is still 117.4MB. Free memory was 65.7MB in the beginning and 62.6MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2021-12-07 00:24:13,717 INFO L158 Benchmark]: Boogie Preprocessor took 37.34ms. Allocated memory is still 117.4MB. Free memory was 62.6MB in the beginning and 58.9MB in the end (delta: 3.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-12-07 00:24:13,717 INFO L158 Benchmark]: RCFGBuilder took 451.59ms. Allocated memory is still 117.4MB. Free memory was 58.9MB in the beginning and 61.5MB in the end (delta: -2.6MB). Peak memory consumption was 21.5MB. Max. memory is 16.1GB. [2021-12-07 00:24:13,718 INFO L158 Benchmark]: TraceAbstraction took 12079.72ms. Allocated memory was 117.4MB in the beginning and 251.7MB in the end (delta: 134.2MB). Free memory was 61.0MB in the beginning and 185.3MB in the end (delta: -124.3MB). Peak memory consumption was 147.9MB. Max. memory is 16.1GB. [2021-12-07 00:24:13,718 INFO L158 Benchmark]: Witness Printer took 69.42ms. Allocated memory is still 251.7MB. Free memory was 185.3MB in the beginning and 173.7MB in the end (delta: 11.5MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2021-12-07 00:24:13,719 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12ms. Allocated memory is still 94.4MB. Free memory is still 73.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 707.68ms. Allocated memory was 94.4MB in the beginning and 117.4MB in the end (delta: 23.1MB). Free memory was 70.0MB in the beginning and 66.2MB in the end (delta: 3.8MB). Peak memory consumption was 57.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 53.05ms. Allocated memory is still 117.4MB. Free memory was 65.7MB in the beginning and 62.6MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 37.34ms. Allocated memory is still 117.4MB. Free memory was 62.6MB in the beginning and 58.9MB in the end (delta: 3.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 451.59ms. Allocated memory is still 117.4MB. Free memory was 58.9MB in the beginning and 61.5MB in the end (delta: -2.6MB). Peak memory consumption was 21.5MB. Max. memory is 16.1GB. * TraceAbstraction took 12079.72ms. Allocated memory was 117.4MB in the beginning and 251.7MB in the end (delta: 134.2MB). Free memory was 61.0MB in the beginning and 185.3MB in the end (delta: -124.3MB). Peak memory consumption was 147.9MB. Max. memory is 16.1GB. * Witness Printer took 69.42ms. Allocated memory is still 251.7MB. Free memory was 185.3MB in the beginning and 173.7MB in the end (delta: 11.5MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 6264]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 8 procedures, 92 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 12.0s, OverallIterations: 16, TraceHistogramMax: 8, PathProgramHistogramMax: 2, EmptinessCheckTime: 0.0s, AutomataDifference: 1.9s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 2.1s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 1824 SdHoareTripleChecker+Valid, 0.9s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1811 mSDsluCounter, 7412 SdHoareTripleChecker+Invalid, 0.8s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 5438 mSDsCounter, 330 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 1094 IncrementalHoareTripleChecker+Invalid, 1424 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 330 mSolverCounterUnsat, 1974 mSDtfsCounter, 1094 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 1167 GetRequests, 1003 SyntacticMatches, 3 SemanticMatches, 161 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 349 ImplicationChecksByTransitivity, 1.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=393occurred in iteration=13, InterpolantAutomatonStates: 102, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.3s AutomataMinimizationTime, 16 MinimizatonAttempts, 1534 StatesRemovedByMinimization, 12 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 35 LocationsWithAnnotation, 171 PreInvPairs, 242 NumberOfFragments, 969 HoareAnnotationTreeSize, 171 FomulaSimplifications, 24484 FormulaSimplificationTreeSizeReduction, 1.0s HoareSimplificationTime, 35 FomulaSimplificationsInter, 47335 FormulaSimplificationTreeSizeReductionInter, 1.2s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 1.3s SatisfiabilityAnalysisTime, 4.0s InterpolantComputationTime, 2031 NumberOfCodeBlocks, 2031 NumberOfCodeBlocksAsserted, 23 NumberOfCheckSat, 2106 ConstructedInterpolants, 0 QuantifiedInterpolants, 5186 SizeOfPredicates, 45 NumberOfNonLiveVariables, 6100 ConjunctsInSsa, 116 ConjunctsInUnsatCore, 24 InterpolantComputations, 15 PerfectInterpolantSequences, 859/929 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 6244]: Loop Invariant [2021-12-07 00:24:13,725 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-12-07 00:24:13,725 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-12-07 00:24:13,725 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2021-12-07 00:24:13,726 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2021-12-07 00:24:13,726 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-12-07 00:24:13,726 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2021-12-07 00:24:13,726 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-12-07 00:24:13,726 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-12-07 00:24:13,726 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2021-12-07 00:24:13,726 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2021-12-07 00:24:13,726 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-12-07 00:24:13,726 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2021-12-07 00:24:13,726 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-12-07 00:24:13,726 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-12-07 00:24:13,727 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2021-12-07 00:24:13,727 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2021-12-07 00:24:13,727 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-12-07 00:24:13,727 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2021-12-07 00:24:13,728 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-12-07 00:24:13,728 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-12-07 00:24:13,728 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2021-12-07 00:24:13,728 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2021-12-07 00:24:13,728 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-12-07 00:24:13,728 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2021-12-07 00:24:13,728 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-12-07 00:24:13,729 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-12-07 00:24:13,729 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2021-12-07 00:24:13,729 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2021-12-07 00:24:13,729 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-12-07 00:24:13,729 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2021-12-07 00:24:13,729 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-12-07 00:24:13,729 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-12-07 00:24:13,729 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2021-12-07 00:24:13,729 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2021-12-07 00:24:13,729 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-12-07 00:24:13,729 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset Derived loop invariant: ((((((((\result <= 1 && 2 <= ldv_module_refcounter) && 1 <= \result) && !((#memory_$Pointer$[#memory_$Pointer$[pppox_protos][pppox_protos + protocol * 8]][#memory_$Pointer$[pppox_protos][pppox_protos + protocol * 8] + 16] + #memory_$Pointer$[#memory_$Pointer$[pppox_protos][pppox_protos + protocol * 8]][#memory_$Pointer$[pppox_protos][pppox_protos + protocol * 8] + 16]) % 18446744073709551616 == 0)) && ldv_module_refcounter <= 2) && ldv_retval_0 == 0) && module == #memory_$Pointer$[#memory_$Pointer$[pppox_protos][pppox_protos + protocol * 8]][#memory_$Pointer$[pppox_protos][pppox_protos + protocol * 8] + 16]) && module == #memory_$Pointer$[#memory_$Pointer$[pppox_protos][pppox_protos + protocol * 8]][#memory_$Pointer$[pppox_protos][pppox_protos + protocol * 8] + 16]) && 1 <= \result) || (((((ldv_module_refcounter == 1 && \result == 0) && \result == 0) && ldv_retval_0 == 0) && module == #memory_$Pointer$[#memory_$Pointer$[pppox_protos][pppox_protos + protocol * 8]][#memory_$Pointer$[pppox_protos][pppox_protos + protocol * 8] + 16]) && module == #memory_$Pointer$[#memory_$Pointer$[pppox_protos][pppox_protos + protocol * 8]][#memory_$Pointer$[pppox_protos][pppox_protos + protocol * 8] + 16]) - InvariantResult [Line: 6396]: Loop Invariant Derived loop invariant: ldv_module_refcounter == 1 && ldv_retval_0 == 0 - InvariantResult [Line: 6146]: Loop Invariant Derived loop invariant: ldv_module_refcounter == 1 && ldv_retval_0 == 0 - InvariantResult [Line: 6138]: Loop Invariant Derived loop invariant: (ldv_module_refcounter == 1 && ldv_state_variable_0 == 1) && ldv_retval_0 == 0 - InvariantResult [Line: 6314]: Loop Invariant [2021-12-07 00:24:13,731 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-12-07 00:24:13,731 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-12-07 00:24:13,731 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2021-12-07 00:24:13,731 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2021-12-07 00:24:13,731 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-12-07 00:24:13,731 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2021-12-07 00:24:13,731 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-12-07 00:24:13,731 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-12-07 00:24:13,731 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2021-12-07 00:24:13,732 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2021-12-07 00:24:13,732 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-12-07 00:24:13,732 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2021-12-07 00:24:13,732 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-12-07 00:24:13,732 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-12-07 00:24:13,732 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2021-12-07 00:24:13,732 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2021-12-07 00:24:13,732 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-12-07 00:24:13,732 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2021-12-07 00:24:13,733 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-12-07 00:24:13,733 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-12-07 00:24:13,733 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2021-12-07 00:24:13,733 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2021-12-07 00:24:13,733 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-12-07 00:24:13,733 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2021-12-07 00:24:13,734 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-12-07 00:24:13,734 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-12-07 00:24:13,734 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2021-12-07 00:24:13,734 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2021-12-07 00:24:13,734 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-12-07 00:24:13,734 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2021-12-07 00:24:13,734 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-12-07 00:24:13,734 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-12-07 00:24:13,734 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2021-12-07 00:24:13,734 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2021-12-07 00:24:13,734 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-12-07 00:24:13,735 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset Derived loop invariant: ((((((2 <= ldv_module_refcounter && 1 <= \result) && !((#memory_$Pointer$[#memory_$Pointer$[pppox_protos][pppox_protos + protocol * 8]][#memory_$Pointer$[pppox_protos][pppox_protos + protocol * 8] + 16] + #memory_$Pointer$[#memory_$Pointer$[pppox_protos][pppox_protos + protocol * 8]][#memory_$Pointer$[pppox_protos][pppox_protos + protocol * 8] + 16]) % 18446744073709551616 == 0)) && ldv_module_refcounter <= 2) && ldv_retval_0 == 0) && module == #memory_$Pointer$[#memory_$Pointer$[pppox_protos][pppox_protos + protocol * 8]][#memory_$Pointer$[pppox_protos][pppox_protos + protocol * 8] + 16]) && module == #memory_$Pointer$[#memory_$Pointer$[pppox_protos][pppox_protos + protocol * 8]][#memory_$Pointer$[pppox_protos][pppox_protos + protocol * 8] + 16]) || ((((ldv_module_refcounter == 1 && \result == 0) && ldv_retval_0 == 0) && module == #memory_$Pointer$[#memory_$Pointer$[pppox_protos][pppox_protos + protocol * 8]][#memory_$Pointer$[pppox_protos][pppox_protos + protocol * 8] + 16]) && module == #memory_$Pointer$[#memory_$Pointer$[pppox_protos][pppox_protos + protocol * 8]][#memory_$Pointer$[pppox_protos][pppox_protos + protocol * 8] + 16]) - InvariantResult [Line: 6252]: Loop Invariant [2021-12-07 00:24:13,735 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-12-07 00:24:13,735 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-12-07 00:24:13,735 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2021-12-07 00:24:13,736 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2021-12-07 00:24:13,736 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-12-07 00:24:13,736 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2021-12-07 00:24:13,736 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-12-07 00:24:13,736 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-12-07 00:24:13,736 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2021-12-07 00:24:13,736 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2021-12-07 00:24:13,736 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-12-07 00:24:13,736 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2021-12-07 00:24:13,737 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-12-07 00:24:13,737 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-12-07 00:24:13,737 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2021-12-07 00:24:13,737 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2021-12-07 00:24:13,737 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-12-07 00:24:13,737 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2021-12-07 00:24:13,737 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-12-07 00:24:13,737 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-12-07 00:24:13,738 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2021-12-07 00:24:13,738 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2021-12-07 00:24:13,738 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-12-07 00:24:13,738 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset Derived loop invariant: ((((((((((ldv_module_refcounter == 1 && !((ldv_func_arg1 + ldv_func_arg1) % 18446744073709551616 == 0)) && \result <= 1) && 1 <= \result) && 1 <= tmp) && !((#memory_$Pointer$[#memory_$Pointer$[pppox_protos][pppox_protos + protocol * 8]][#memory_$Pointer$[pppox_protos][pppox_protos + protocol * 8] + 16] + #memory_$Pointer$[#memory_$Pointer$[pppox_protos][pppox_protos + protocol * 8]][#memory_$Pointer$[pppox_protos][pppox_protos + protocol * 8] + 16]) % 18446744073709551616 == 0)) && tmp <= 1) && tmp___0 == 0) && ldv_retval_0 == 0) && module == #memory_$Pointer$[#memory_$Pointer$[pppox_protos][pppox_protos + protocol * 8]][#memory_$Pointer$[pppox_protos][pppox_protos + protocol * 8] + 16]) && module == #memory_$Pointer$[#memory_$Pointer$[pppox_protos][pppox_protos + protocol * 8]][#memory_$Pointer$[pppox_protos][pppox_protos + protocol * 8] + 16]) && 1 <= \result - InvariantResult [Line: 6156]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: -1]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 6376]: Loop Invariant Derived loop invariant: (ldv_module_refcounter == 1 && ldv_state_variable_1 == 0) && ldv_retval_0 == 0 - InvariantResult [Line: 6167]: Loop Invariant Derived loop invariant: ldv_module_refcounter == 1 - InvariantResult [Line: 6359]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 6167]: Loop Invariant Derived loop invariant: ldv_module_refcounter == 1 && ldv_retval_0 == 0 - InvariantResult [Line: 6101]: Loop Invariant Derived loop invariant: ldv_module_refcounter == 1 && ldv_retval_0 == 0 - InvariantResult [Line: 5913]: Loop Invariant [2021-12-07 00:24:13,739 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-12-07 00:24:13,739 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-12-07 00:24:13,739 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2021-12-07 00:24:13,739 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2021-12-07 00:24:13,739 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-12-07 00:24:13,739 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2021-12-07 00:24:13,739 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-12-07 00:24:13,740 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-12-07 00:24:13,740 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2021-12-07 00:24:13,740 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2021-12-07 00:24:13,740 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-12-07 00:24:13,740 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2021-12-07 00:24:13,740 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-12-07 00:24:13,740 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-12-07 00:24:13,740 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2021-12-07 00:24:13,741 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2021-12-07 00:24:13,741 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-12-07 00:24:13,741 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2021-12-07 00:24:13,741 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-12-07 00:24:13,741 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-12-07 00:24:13,741 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2021-12-07 00:24:13,741 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2021-12-07 00:24:13,741 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-12-07 00:24:13,741 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset Derived loop invariant: (((ldv_module_refcounter == 1 && !((#memory_$Pointer$[#memory_$Pointer$[pppox_protos][pppox_protos + protocol * 8]][#memory_$Pointer$[pppox_protos][pppox_protos + protocol * 8] + 16] + #memory_$Pointer$[#memory_$Pointer$[pppox_protos][pppox_protos + protocol * 8]][#memory_$Pointer$[pppox_protos][pppox_protos + protocol * 8] + 16]) % 18446744073709551616 == 0)) && ldv_retval_0 == 0) && module == #memory_$Pointer$[#memory_$Pointer$[pppox_protos][pppox_protos + protocol * 8]][#memory_$Pointer$[pppox_protos][pppox_protos + protocol * 8] + 16]) && module == #memory_$Pointer$[#memory_$Pointer$[pppox_protos][pppox_protos + protocol * 8]][#memory_$Pointer$[pppox_protos][pppox_protos + protocol * 8] + 16] - InvariantResult [Line: 5929]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 6393]: Loop Invariant Derived loop invariant: (ldv_module_refcounter == 1 && ldv_state_variable_0 == 1) && ldv_retval_0 == 0 - InvariantResult [Line: 6106]: Loop Invariant Derived loop invariant: ldv_module_refcounter == 1 && ldv_retval_0 == 0 RESULT: Ultimate proved your program to be correct! [2021-12-07 00:24:13,778 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f225346b-ca83-4416-8b7d-e64e2dd8e1d6/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE