./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-43_2a-drivers--net--ethernet--sis--sis900.ko-entry_point.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 5e519f3a Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab523f43-0c37-4e08-a3c9-5afe1ea3ad3b/bin/utaipan-7li7fVZpFI/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab523f43-0c37-4e08-a3c9-5afe1ea3ad3b/bin/utaipan-7li7fVZpFI/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab523f43-0c37-4e08-a3c9-5afe1ea3ad3b/bin/utaipan-7li7fVZpFI/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab523f43-0c37-4e08-a3c9-5afe1ea3ad3b/bin/utaipan-7li7fVZpFI/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--ethernet--sis--sis900.ko-entry_point.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab523f43-0c37-4e08-a3c9-5afe1ea3ad3b/bin/utaipan-7li7fVZpFI/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab523f43-0c37-4e08-a3c9-5afe1ea3ad3b/bin/utaipan-7li7fVZpFI --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 8a589a2971b8b26c84b19dd15ca599e2c024bda8a102f55ffa19d72f19d12686 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-5e519f3 [2022-11-03 02:02:45,790 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-03 02:02:45,792 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-03 02:02:45,836 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-03 02:02:45,837 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-03 02:02:45,841 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-03 02:02:45,844 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-03 02:02:45,847 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-03 02:02:45,851 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-03 02:02:45,857 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-03 02:02:45,858 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-03 02:02:45,859 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-03 02:02:45,860 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-03 02:02:45,862 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-03 02:02:45,867 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-03 02:02:45,868 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-03 02:02:45,870 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-03 02:02:45,871 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-03 02:02:45,873 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-03 02:02:45,878 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-03 02:02:45,880 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-03 02:02:45,882 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-03 02:02:45,885 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-03 02:02:45,886 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-03 02:02:45,892 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-03 02:02:45,892 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-03 02:02:45,893 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-03 02:02:45,893 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-03 02:02:45,894 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-03 02:02:45,895 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-03 02:02:45,895 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-03 02:02:45,896 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-03 02:02:45,897 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-03 02:02:45,897 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-03 02:02:45,898 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-03 02:02:45,899 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-03 02:02:45,899 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-03 02:02:45,900 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-03 02:02:45,900 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-03 02:02:45,901 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-03 02:02:45,902 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-03 02:02:45,904 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab523f43-0c37-4e08-a3c9-5afe1ea3ad3b/bin/utaipan-7li7fVZpFI/config/svcomp-Reach-64bit-Taipan_Default.epf [2022-11-03 02:02:45,941 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-03 02:02:45,941 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-03 02:02:45,942 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-03 02:02:45,942 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-03 02:02:45,943 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-03 02:02:45,943 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-03 02:02:45,943 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-03 02:02:45,944 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-03 02:02:45,944 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-03 02:02:45,944 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-03 02:02:45,945 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-03 02:02:45,945 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-03 02:02:45,945 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-03 02:02:45,946 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-03 02:02:45,946 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-03 02:02:45,946 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-03 02:02:45,946 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-03 02:02:45,947 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-03 02:02:45,947 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-03 02:02:45,947 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-03 02:02:45,948 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-03 02:02:45,948 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-03 02:02:45,948 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-03 02:02:45,948 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-03 02:02:45,949 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-03 02:02:45,949 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-03 02:02:45,949 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-03 02:02:45,951 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-03 02:02:45,951 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-03 02:02:45,951 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-03 02:02:45,951 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-03 02:02:45,952 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-03 02:02:45,952 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-03 02:02:45,952 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-03 02:02:45,952 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-03 02:02:45,953 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-03 02:02:45,953 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-03 02:02:45,954 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-03 02:02:45,954 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_ab523f43-0c37-4e08-a3c9-5afe1ea3ad3b/bin/utaipan-7li7fVZpFI/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab523f43-0c37-4e08-a3c9-5afe1ea3ad3b/bin/utaipan-7li7fVZpFI Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 8a589a2971b8b26c84b19dd15ca599e2c024bda8a102f55ffa19d72f19d12686 [2022-11-03 02:02:46,232 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-03 02:02:46,253 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-03 02:02:46,255 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-03 02:02:46,257 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-03 02:02:46,257 INFO L275 PluginConnector]: CDTParser initialized [2022-11-03 02:02:46,259 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab523f43-0c37-4e08-a3c9-5afe1ea3ad3b/bin/utaipan-7li7fVZpFI/../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--ethernet--sis--sis900.ko-entry_point.cil.out.i [2022-11-03 02:02:46,334 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab523f43-0c37-4e08-a3c9-5afe1ea3ad3b/bin/utaipan-7li7fVZpFI/data/2929d7285/c73bf62c31654f7384f6e714c98260fe/FLAG598d66b54 [2022-11-03 02:02:47,338 INFO L306 CDTParser]: Found 1 translation units. [2022-11-03 02:02:47,339 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab523f43-0c37-4e08-a3c9-5afe1ea3ad3b/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--ethernet--sis--sis900.ko-entry_point.cil.out.i [2022-11-03 02:02:47,389 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab523f43-0c37-4e08-a3c9-5afe1ea3ad3b/bin/utaipan-7li7fVZpFI/data/2929d7285/c73bf62c31654f7384f6e714c98260fe/FLAG598d66b54 [2022-11-03 02:02:47,827 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab523f43-0c37-4e08-a3c9-5afe1ea3ad3b/bin/utaipan-7li7fVZpFI/data/2929d7285/c73bf62c31654f7384f6e714c98260fe [2022-11-03 02:02:47,829 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-03 02:02:47,831 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-03 02:02:47,833 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-03 02:02:47,833 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-03 02:02:47,837 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-03 02:02:47,839 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 02:02:47" (1/1) ... [2022-11-03 02:02:47,840 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4aabebc6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:02:47, skipping insertion in model container [2022-11-03 02:02:47,841 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 02:02:47" (1/1) ... [2022-11-03 02:02:47,850 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-03 02:02:47,982 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-03 02:02:50,112 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_ab523f43-0c37-4e08-a3c9-5afe1ea3ad3b/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--ethernet--sis--sis900.ko-entry_point.cil.out.i[280896,280909] [2022-11-03 02:02:50,185 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-03 02:02:50,242 INFO L203 MainTranslator]: Completed pre-run [2022-11-03 02:02:50,683 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_ab523f43-0c37-4e08-a3c9-5afe1ea3ad3b/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--ethernet--sis--sis900.ko-entry_point.cil.out.i[280896,280909] [2022-11-03 02:02:50,694 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-03 02:02:50,900 INFO L208 MainTranslator]: Completed translation [2022-11-03 02:02:50,901 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:02:50 WrapperNode [2022-11-03 02:02:50,901 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-03 02:02:50,902 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-03 02:02:50,902 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-03 02:02:50,903 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-03 02:02:50,912 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:02:50" (1/1) ... [2022-11-03 02:02:51,024 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:02:50" (1/1) ... [2022-11-03 02:02:51,235 INFO L138 Inliner]: procedures = 274, calls = 1587, calls flagged for inlining = 149, calls inlined = 146, statements flattened = 4283 [2022-11-03 02:02:51,235 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-03 02:02:51,236 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-03 02:02:51,237 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-03 02:02:51,237 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-03 02:02:51,255 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:02:50" (1/1) ... [2022-11-03 02:02:51,255 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:02:50" (1/1) ... [2022-11-03 02:02:51,309 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:02:50" (1/1) ... [2022-11-03 02:02:51,310 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:02:50" (1/1) ... [2022-11-03 02:02:51,446 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:02:50" (1/1) ... [2022-11-03 02:02:51,474 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:02:50" (1/1) ... [2022-11-03 02:02:51,565 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:02:50" (1/1) ... [2022-11-03 02:02:51,594 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:02:50" (1/1) ... [2022-11-03 02:02:51,634 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-03 02:02:51,636 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-03 02:02:51,636 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-03 02:02:51,637 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-03 02:02:51,638 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:02:50" (1/1) ... [2022-11-03 02:02:51,647 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-03 02:02:51,662 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab523f43-0c37-4e08-a3c9-5afe1ea3ad3b/bin/utaipan-7li7fVZpFI/z3 [2022-11-03 02:02:51,682 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab523f43-0c37-4e08-a3c9-5afe1ea3ad3b/bin/utaipan-7li7fVZpFI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-03 02:02:51,707 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab523f43-0c37-4e08-a3c9-5afe1ea3ad3b/bin/utaipan-7li7fVZpFI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-03 02:02:51,736 INFO L130 BoogieDeclarations]: Found specification of procedure sis900_init_rxfilter [2022-11-03 02:02:51,737 INFO L138 BoogieDeclarations]: Found implementation of procedure sis900_init_rxfilter [2022-11-03 02:02:51,737 INFO L130 BoogieDeclarations]: Found specification of procedure mdio_write [2022-11-03 02:02:51,737 INFO L138 BoogieDeclarations]: Found implementation of procedure mdio_write [2022-11-03 02:02:51,737 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_shutdown_3 [2022-11-03 02:02:51,737 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_shutdown_3 [2022-11-03 02:02:51,737 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_regions [2022-11-03 02:02:51,738 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_regions [2022-11-03 02:02:51,738 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-11-03 02:02:51,738 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-11-03 02:02:51,738 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2022-11-03 02:02:51,738 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2022-11-03 02:02:51,739 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_alloc_skb [2022-11-03 02:02:51,739 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_alloc_skb [2022-11-03 02:02:51,739 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2022-11-03 02:02:51,739 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2022-11-03 02:02:51,739 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_off [2022-11-03 02:02:51,739 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_off [2022-11-03 02:02:51,740 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock [2022-11-03 02:02:51,740 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock [2022-11-03 02:02:51,740 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-11-03 02:02:51,740 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-11-03 02:02:51,740 INFO L130 BoogieDeclarations]: Found specification of procedure mdio_reset [2022-11-03 02:02:51,740 INFO L138 BoogieDeclarations]: Found implementation of procedure mdio_reset [2022-11-03 02:02:51,741 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2022-11-03 02:02:51,741 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2022-11-03 02:02:51,741 INFO L130 BoogieDeclarations]: Found specification of procedure pci_map_single [2022-11-03 02:02:51,741 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_map_single [2022-11-03 02:02:51,741 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_ok [2022-11-03 02:02:51,741 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_ok [2022-11-03 02:02:51,742 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2022-11-03 02:02:51,742 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2022-11-03 02:02:51,742 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_on [2022-11-03 02:02:51,742 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_on [2022-11-03 02:02:51,742 INFO L130 BoogieDeclarations]: Found specification of procedure sis900_default_phy [2022-11-03 02:02:51,742 INFO L138 BoogieDeclarations]: Found implementation of procedure sis900_default_phy [2022-11-03 02:02:51,743 INFO L130 BoogieDeclarations]: Found specification of procedure iowrite8 [2022-11-03 02:02:51,743 INFO L138 BoogieDeclarations]: Found implementation of procedure iowrite8 [2022-11-03 02:02:51,743 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-11-03 02:02:51,744 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-11-03 02:02:51,744 INFO L130 BoogieDeclarations]: Found specification of procedure ioread32 [2022-11-03 02:02:51,744 INFO L138 BoogieDeclarations]: Found implementation of procedure ioread32 [2022-11-03 02:02:51,744 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2022-11-03 02:02:51,744 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2022-11-03 02:02:51,744 INFO L130 BoogieDeclarations]: Found specification of procedure pci_name [2022-11-03 02:02:51,745 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_name [2022-11-03 02:02:51,745 INFO L130 BoogieDeclarations]: Found specification of procedure pci_alloc_consistent [2022-11-03 02:02:51,746 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_alloc_consistent [2022-11-03 02:02:51,746 INFO L130 BoogieDeclarations]: Found specification of procedure sis900_check_mode [2022-11-03 02:02:51,747 INFO L138 BoogieDeclarations]: Found implementation of procedure sis900_check_mode [2022-11-03 02:02:51,747 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2022-11-03 02:02:51,747 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2022-11-03 02:02:51,748 INFO L130 BoogieDeclarations]: Found specification of procedure read_eeprom [2022-11-03 02:02:51,748 INFO L138 BoogieDeclarations]: Found implementation of procedure read_eeprom [2022-11-03 02:02:51,748 INFO L130 BoogieDeclarations]: Found specification of procedure netif_start_queue [2022-11-03 02:02:51,748 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_start_queue [2022-11-03 02:02:51,748 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-03 02:02:51,748 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2022-11-03 02:02:51,749 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2022-11-03 02:02:51,750 INFO L130 BoogieDeclarations]: Found specification of procedure eth_mac_addr [2022-11-03 02:02:51,750 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_mac_addr [2022-11-03 02:02:51,750 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-03 02:02:51,750 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2022-11-03 02:02:51,751 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2022-11-03 02:02:51,751 INFO L130 BoogieDeclarations]: Found specification of procedure add_timer [2022-11-03 02:02:51,751 INFO L138 BoogieDeclarations]: Found implementation of procedure add_timer [2022-11-03 02:02:51,751 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2022-11-03 02:02:51,751 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2022-11-03 02:02:51,751 INFO L130 BoogieDeclarations]: Found specification of procedure iowrite32 [2022-11-03 02:02:51,752 INFO L138 BoogieDeclarations]: Found implementation of procedure iowrite32 [2022-11-03 02:02:51,752 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2022-11-03 02:02:51,753 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2022-11-03 02:02:51,753 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock [2022-11-03 02:02:51,753 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock [2022-11-03 02:02:51,753 INFO L130 BoogieDeclarations]: Found specification of procedure sis900_init_rx_ring [2022-11-03 02:02:51,753 INFO L138 BoogieDeclarations]: Found implementation of procedure sis900_init_rx_ring [2022-11-03 02:02:51,753 INFO L130 BoogieDeclarations]: Found specification of procedure sis900_remove [2022-11-03 02:02:51,754 INFO L138 BoogieDeclarations]: Found implementation of procedure sis900_remove [2022-11-03 02:02:51,754 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2022-11-03 02:02:51,754 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2022-11-03 02:02:51,754 INFO L130 BoogieDeclarations]: Found specification of procedure sis630_set_eq [2022-11-03 02:02:51,755 INFO L138 BoogieDeclarations]: Found implementation of procedure sis630_set_eq [2022-11-03 02:02:51,755 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_device [2022-11-03 02:02:51,755 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_device [2022-11-03 02:02:51,756 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unmap_single [2022-11-03 02:02:51,756 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unmap_single [2022-11-03 02:02:51,756 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-03 02:02:51,757 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-11-03 02:02:51,757 INFO L130 BoogieDeclarations]: Found specification of procedure pci_write_config_byte [2022-11-03 02:02:51,757 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_write_config_byte [2022-11-03 02:02:51,757 INFO L130 BoogieDeclarations]: Found specification of procedure eth_change_mtu [2022-11-03 02:02:51,758 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_change_mtu [2022-11-03 02:02:51,758 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2022-11-03 02:02:51,759 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2022-11-03 02:02:51,759 INFO L130 BoogieDeclarations]: Found specification of procedure sis900_init_tx_ring [2022-11-03 02:02:51,759 INFO L138 BoogieDeclarations]: Found implementation of procedure sis900_init_tx_ring [2022-11-03 02:02:51,759 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2022-11-03 02:02:51,759 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2022-11-03 02:02:51,759 INFO L130 BoogieDeclarations]: Found specification of procedure eth_hw_addr_random [2022-11-03 02:02:51,760 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_hw_addr_random [2022-11-03 02:02:51,760 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_irq [2022-11-03 02:02:51,760 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_irq [2022-11-03 02:02:51,760 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2022-11-03 02:02:51,761 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2022-11-03 02:02:51,761 INFO L130 BoogieDeclarations]: Found specification of procedure pci_write_config_dword [2022-11-03 02:02:51,761 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_write_config_dword [2022-11-03 02:02:51,761 INFO L130 BoogieDeclarations]: Found specification of procedure sis900_set_mode [2022-11-03 02:02:51,761 INFO L138 BoogieDeclarations]: Found implementation of procedure sis900_set_mode [2022-11-03 02:02:51,761 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-03 02:02:51,762 INFO L130 BoogieDeclarations]: Found specification of procedure sis900_poll [2022-11-03 02:02:51,763 INFO L138 BoogieDeclarations]: Found implementation of procedure sis900_poll [2022-11-03 02:02:51,766 INFO L130 BoogieDeclarations]: Found specification of procedure set_rx_mode [2022-11-03 02:02:51,766 INFO L138 BoogieDeclarations]: Found implementation of procedure set_rx_mode [2022-11-03 02:02:51,766 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2022-11-03 02:02:51,766 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2022-11-03 02:02:51,769 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2022-11-03 02:02:51,769 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2022-11-03 02:02:51,769 INFO L130 BoogieDeclarations]: Found specification of procedure pci_dma_mapping_error [2022-11-03 02:02:51,770 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_dma_mapping_error [2022-11-03 02:02:51,770 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2022-11-03 02:02:51,775 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2022-11-03 02:02:51,775 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2022-11-03 02:02:51,775 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2022-11-03 02:02:51,775 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-11-03 02:02:51,776 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-11-03 02:02:51,776 INFO L130 BoogieDeclarations]: Found specification of procedure sis900_resume [2022-11-03 02:02:51,776 INFO L138 BoogieDeclarations]: Found implementation of procedure sis900_resume [2022-11-03 02:02:51,776 INFO L130 BoogieDeclarations]: Found specification of procedure pci_free_consistent [2022-11-03 02:02:51,776 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_free_consistent [2022-11-03 02:02:51,776 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-03 02:02:51,776 INFO L130 BoogieDeclarations]: Found specification of procedure __bitrev16 [2022-11-03 02:02:51,776 INFO L138 BoogieDeclarations]: Found implementation of procedure __bitrev16 [2022-11-03 02:02:51,777 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irq [2022-11-03 02:02:51,777 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irq [2022-11-03 02:02:51,777 INFO L130 BoogieDeclarations]: Found specification of procedure sis900_interrupt [2022-11-03 02:02:51,777 INFO L138 BoogieDeclarations]: Found implementation of procedure sis900_interrupt [2022-11-03 02:02:51,777 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-11-03 02:02:51,777 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-11-03 02:02:51,777 INFO L130 BoogieDeclarations]: Found specification of procedure sis900_reset_phy [2022-11-03 02:02:51,778 INFO L138 BoogieDeclarations]: Found implementation of procedure sis900_reset_phy [2022-11-03 02:02:51,778 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2022-11-03 02:02:51,778 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2022-11-03 02:02:51,778 INFO L130 BoogieDeclarations]: Found specification of procedure sis900_set_config [2022-11-03 02:02:51,779 INFO L138 BoogieDeclarations]: Found implementation of procedure sis900_set_config [2022-11-03 02:02:51,779 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-03 02:02:51,779 INFO L130 BoogieDeclarations]: Found specification of procedure pci_dev_put [2022-11-03 02:02:51,779 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_dev_put [2022-11-03 02:02:51,779 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2022-11-03 02:02:51,779 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2022-11-03 02:02:51,779 INFO L130 BoogieDeclarations]: Found specification of procedure __bitrev8 [2022-11-03 02:02:51,780 INFO L138 BoogieDeclarations]: Found implementation of procedure __bitrev8 [2022-11-03 02:02:51,780 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-03 02:02:51,780 INFO L130 BoogieDeclarations]: Found specification of procedure mdio_idle [2022-11-03 02:02:51,780 INFO L138 BoogieDeclarations]: Found implementation of procedure mdio_idle [2022-11-03 02:02:51,780 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-03 02:02:51,780 INFO L130 BoogieDeclarations]: Found specification of procedure pci_read_config_dword [2022-11-03 02:02:51,780 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_read_config_dword [2022-11-03 02:02:51,781 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_irq_1 [2022-11-03 02:02:51,781 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_irq_1 [2022-11-03 02:02:51,781 INFO L130 BoogieDeclarations]: Found specification of procedure reg_timer_2 [2022-11-03 02:02:51,781 INFO L138 BoogieDeclarations]: Found implementation of procedure reg_timer_2 [2022-11-03 02:02:51,781 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_irq [2022-11-03 02:02:51,781 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_irq [2022-11-03 02:02:51,781 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_resume_early_3 [2022-11-03 02:02:51,781 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_resume_early_3 [2022-11-03 02:02:51,782 INFO L130 BoogieDeclarations]: Found specification of procedure sis900_tx_timeout [2022-11-03 02:02:51,782 INFO L138 BoogieDeclarations]: Found implementation of procedure sis900_tx_timeout [2022-11-03 02:02:51,782 INFO L130 BoogieDeclarations]: Found specification of procedure pci_iounmap [2022-11-03 02:02:51,782 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_iounmap [2022-11-03 02:02:51,782 INFO L130 BoogieDeclarations]: Found specification of procedure mii_ioctl [2022-11-03 02:02:51,782 INFO L138 BoogieDeclarations]: Found implementation of procedure mii_ioctl [2022-11-03 02:02:51,782 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_power_state [2022-11-03 02:02:51,783 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_power_state [2022-11-03 02:02:51,783 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-03 02:02:51,783 INFO L130 BoogieDeclarations]: Found specification of procedure mdio_read [2022-11-03 02:02:51,783 INFO L138 BoogieDeclarations]: Found implementation of procedure mdio_read [2022-11-03 02:02:51,783 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-03 02:02:51,783 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-03 02:02:52,667 INFO L235 CfgBuilder]: Building ICFG [2022-11-03 02:02:52,671 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-03 02:02:53,108 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-11-03 02:02:56,567 INFO L276 CfgBuilder]: Performing block encoding [2022-11-03 02:02:58,236 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-03 02:02:58,236 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-11-03 02:02:58,242 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.11 02:02:58 BoogieIcfgContainer [2022-11-03 02:02:58,242 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-03 02:02:58,244 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-03 02:02:58,244 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-03 02:02:58,248 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-03 02:02:58,248 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 03.11 02:02:47" (1/3) ... [2022-11-03 02:02:58,249 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2e7eb66f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.11 02:02:58, skipping insertion in model container [2022-11-03 02:02:58,249 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:02:50" (2/3) ... [2022-11-03 02:02:58,249 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2e7eb66f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.11 02:02:58, skipping insertion in model container [2022-11-03 02:02:58,249 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.11 02:02:58" (3/3) ... [2022-11-03 02:02:58,251 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-43_2a-drivers--net--ethernet--sis--sis900.ko-entry_point.cil.out.i [2022-11-03 02:02:58,270 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-03 02:02:58,270 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-03 02:02:58,348 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-03 02:02:58,354 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@4ad481d2, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-03 02:02:58,354 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-03 02:02:58,363 INFO L276 IsEmpty]: Start isEmpty. Operand has 1300 states, 770 states have (on average 1.325974025974026) internal successors, (1021), 794 states have internal predecessors, (1021), 446 states have call successors, (446), 83 states have call predecessors, (446), 82 states have return successors, (439), 435 states have call predecessors, (439), 439 states have call successors, (439) [2022-11-03 02:02:58,390 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2022-11-03 02:02:58,390 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:02:58,391 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 4, 4, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 02:02:58,392 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 02:02:58,397 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:02:58,398 INFO L85 PathProgramCache]: Analyzing trace with hash 298395239, now seen corresponding path program 1 times [2022-11-03 02:02:58,409 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 02:02:58,409 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2016076759] [2022-11-03 02:02:58,409 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:02:58,410 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 02:02:58,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:02:59,686 INFO L134 CoverageAnalysis]: Checked inductivity of 170 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 170 trivial. 0 not checked. [2022-11-03 02:02:59,687 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 02:02:59,687 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2016076759] [2022-11-03 02:02:59,688 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2016076759] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 02:02:59,688 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 02:02:59,688 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-03 02:02:59,690 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [548088555] [2022-11-03 02:02:59,693 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 02:02:59,699 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-03 02:02:59,699 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 02:02:59,740 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-03 02:02:59,741 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-03 02:02:59,749 INFO L87 Difference]: Start difference. First operand has 1300 states, 770 states have (on average 1.325974025974026) internal successors, (1021), 794 states have internal predecessors, (1021), 446 states have call successors, (446), 83 states have call predecessors, (446), 82 states have return successors, (439), 435 states have call predecessors, (439), 439 states have call successors, (439) Second operand has 5 states, 5 states have (on average 9.0) internal successors, (45), 4 states have internal predecessors, (45), 3 states have call successors, (21), 3 states have call predecessors, (21), 1 states have return successors, (16), 3 states have call predecessors, (16), 3 states have call successors, (16) [2022-11-03 02:03:02,396 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.45s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:03:06,062 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.12s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:03:07,935 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.12s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:03:09,953 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:03:11,165 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.18s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:03:13,186 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:03:14,926 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:03:14,926 INFO L93 Difference]: Finished difference Result 3839 states and 5677 transitions. [2022-11-03 02:03:14,928 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-03 02:03:14,929 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 9.0) internal successors, (45), 4 states have internal predecessors, (45), 3 states have call successors, (21), 3 states have call predecessors, (21), 1 states have return successors, (16), 3 states have call predecessors, (16), 3 states have call successors, (16) Word has length 134 [2022-11-03 02:03:14,930 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:03:14,979 INFO L225 Difference]: With dead ends: 3839 [2022-11-03 02:03:14,980 INFO L226 Difference]: Without dead ends: 2539 [2022-11-03 02:03:15,001 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-11-03 02:03:15,005 INFO L413 NwaCegarLoop]: 2118 mSDtfsCounter, 1852 mSDsluCounter, 6502 mSDsCounter, 0 mSdLazyCounter, 845 mSolverCounterSat, 5 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 14.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1856 SdHoareTripleChecker+Valid, 8009 SdHoareTripleChecker+Invalid, 852 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 845 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 14.7s IncrementalHoareTripleChecker+Time [2022-11-03 02:03:15,006 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1856 Valid, 8009 Invalid, 852 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [5 Valid, 845 Invalid, 2 Unknown, 0 Unchecked, 14.7s Time] [2022-11-03 02:03:15,030 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2539 states. [2022-11-03 02:03:15,347 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2539 to 2525. [2022-11-03 02:03:15,354 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2525 states, 1509 states have (on average 1.3141153081510935) internal successors, (1983), 1544 states have internal predecessors, (1983), 854 states have call successors, (854), 162 states have call predecessors, (854), 161 states have return successors, (853), 840 states have call predecessors, (853), 853 states have call successors, (853) [2022-11-03 02:03:15,395 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2525 states to 2525 states and 3690 transitions. [2022-11-03 02:03:15,398 INFO L78 Accepts]: Start accepts. Automaton has 2525 states and 3690 transitions. Word has length 134 [2022-11-03 02:03:15,399 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:03:15,400 INFO L495 AbstractCegarLoop]: Abstraction has 2525 states and 3690 transitions. [2022-11-03 02:03:15,407 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 9.0) internal successors, (45), 4 states have internal predecessors, (45), 3 states have call successors, (21), 3 states have call predecessors, (21), 1 states have return successors, (16), 3 states have call predecessors, (16), 3 states have call successors, (16) [2022-11-03 02:03:15,407 INFO L276 IsEmpty]: Start isEmpty. Operand 2525 states and 3690 transitions. [2022-11-03 02:03:15,430 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2022-11-03 02:03:15,430 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:03:15,430 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 4, 4, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 02:03:15,431 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-03 02:03:15,431 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 02:03:15,433 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:03:15,433 INFO L85 PathProgramCache]: Analyzing trace with hash 136627436, now seen corresponding path program 1 times [2022-11-03 02:03:15,434 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 02:03:15,434 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [352096277] [2022-11-03 02:03:15,434 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:03:15,434 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 02:03:15,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:03:16,100 INFO L134 CoverageAnalysis]: Checked inductivity of 170 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 170 trivial. 0 not checked. [2022-11-03 02:03:16,101 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 02:03:16,101 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [352096277] [2022-11-03 02:03:16,101 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [352096277] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 02:03:16,101 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 02:03:16,102 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-03 02:03:16,102 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1844542196] [2022-11-03 02:03:16,102 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 02:03:16,104 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-03 02:03:16,105 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 02:03:16,105 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-03 02:03:16,106 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-03 02:03:16,106 INFO L87 Difference]: Start difference. First operand 2525 states and 3690 transitions. Second operand has 5 states, 5 states have (on average 9.2) internal successors, (46), 4 states have internal predecessors, (46), 3 states have call successors, (21), 3 states have call predecessors, (21), 1 states have return successors, (16), 3 states have call predecessors, (16), 3 states have call successors, (16) [2022-11-03 02:03:18,570 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.40s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:03:21,017 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.60s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:03:23,575 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.31s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:03:25,595 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:03:30,703 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:03:31,334 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:03:31,334 INFO L93 Difference]: Finished difference Result 5214 states and 7585 transitions. [2022-11-03 02:03:31,335 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-03 02:03:31,335 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 9.2) internal successors, (46), 4 states have internal predecessors, (46), 3 states have call successors, (21), 3 states have call predecessors, (21), 1 states have return successors, (16), 3 states have call predecessors, (16), 3 states have call successors, (16) Word has length 135 [2022-11-03 02:03:31,336 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:03:31,365 INFO L225 Difference]: With dead ends: 5214 [2022-11-03 02:03:31,365 INFO L226 Difference]: Without dead ends: 3785 [2022-11-03 02:03:31,375 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-11-03 02:03:31,381 INFO L413 NwaCegarLoop]: 2092 mSDtfsCounter, 1826 mSDsluCounter, 6418 mSDsCounter, 0 mSdLazyCounter, 828 mSolverCounterSat, 3 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 14.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1830 SdHoareTripleChecker+Valid, 7909 SdHoareTripleChecker+Invalid, 833 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 828 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 14.9s IncrementalHoareTripleChecker+Time [2022-11-03 02:03:31,382 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1830 Valid, 7909 Invalid, 833 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 828 Invalid, 2 Unknown, 0 Unchecked, 14.9s Time] [2022-11-03 02:03:31,389 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3785 states. [2022-11-03 02:03:31,584 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3785 to 3766. [2022-11-03 02:03:31,593 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3766 states, 2256 states have (on average 1.3147163120567376) internal successors, (2966), 2306 states have internal predecessors, (2966), 1268 states have call successors, (1268), 242 states have call predecessors, (1268), 241 states have return successors, (1267), 1250 states have call predecessors, (1267), 1267 states have call successors, (1267) [2022-11-03 02:03:31,639 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3766 states to 3766 states and 5501 transitions. [2022-11-03 02:03:31,641 INFO L78 Accepts]: Start accepts. Automaton has 3766 states and 5501 transitions. Word has length 135 [2022-11-03 02:03:31,642 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:03:31,642 INFO L495 AbstractCegarLoop]: Abstraction has 3766 states and 5501 transitions. [2022-11-03 02:03:31,642 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 9.2) internal successors, (46), 4 states have internal predecessors, (46), 3 states have call successors, (21), 3 states have call predecessors, (21), 1 states have return successors, (16), 3 states have call predecessors, (16), 3 states have call successors, (16) [2022-11-03 02:03:31,642 INFO L276 IsEmpty]: Start isEmpty. Operand 3766 states and 5501 transitions. [2022-11-03 02:03:31,648 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2022-11-03 02:03:31,649 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:03:31,649 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 4, 4, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 02:03:31,649 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-03 02:03:31,650 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 02:03:31,660 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:03:31,661 INFO L85 PathProgramCache]: Analyzing trace with hash 671254858, now seen corresponding path program 1 times [2022-11-03 02:03:31,662 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 02:03:31,662 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [383638007] [2022-11-03 02:03:31,662 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:03:31,663 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 02:03:31,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:03:32,210 INFO L134 CoverageAnalysis]: Checked inductivity of 170 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 170 trivial. 0 not checked. [2022-11-03 02:03:32,212 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 02:03:32,212 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [383638007] [2022-11-03 02:03:32,213 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [383638007] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 02:03:32,213 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 02:03:32,213 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-03 02:03:32,213 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [517688874] [2022-11-03 02:03:32,213 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 02:03:32,214 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-03 02:03:32,214 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 02:03:32,215 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-03 02:03:32,215 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-03 02:03:32,215 INFO L87 Difference]: Start difference. First operand 3766 states and 5501 transitions. Second operand has 5 states, 5 states have (on average 9.4) internal successors, (47), 4 states have internal predecessors, (47), 3 states have call successors, (21), 3 states have call predecessors, (21), 1 states have return successors, (16), 3 states have call predecessors, (16), 3 states have call successors, (16) [2022-11-03 02:03:34,865 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:03:38,792 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:03:41,808 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:03:42,215 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:03:42,215 INFO L93 Difference]: Finished difference Result 6752 states and 9770 transitions. [2022-11-03 02:03:42,216 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-03 02:03:42,216 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 9.4) internal successors, (47), 4 states have internal predecessors, (47), 3 states have call successors, (21), 3 states have call predecessors, (21), 1 states have return successors, (16), 3 states have call predecessors, (16), 3 states have call successors, (16) Word has length 136 [2022-11-03 02:03:42,217 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:03:42,244 INFO L225 Difference]: With dead ends: 6752 [2022-11-03 02:03:42,244 INFO L226 Difference]: Without dead ends: 4081 [2022-11-03 02:03:42,259 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-11-03 02:03:42,260 INFO L413 NwaCegarLoop]: 2113 mSDtfsCounter, 1817 mSDsluCounter, 6464 mSDsCounter, 0 mSdLazyCounter, 835 mSolverCounterSat, 3 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1823 SdHoareTripleChecker+Valid, 7972 SdHoareTripleChecker+Invalid, 841 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 835 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.7s IncrementalHoareTripleChecker+Time [2022-11-03 02:03:42,260 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1823 Valid, 7972 Invalid, 841 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 835 Invalid, 3 Unknown, 0 Unchecked, 9.7s Time] [2022-11-03 02:03:42,266 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4081 states. [2022-11-03 02:03:42,473 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4081 to 4058. [2022-11-03 02:03:42,482 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4058 states, 2436 states have (on average 1.3103448275862069) internal successors, (3192), 2491 states have internal predecessors, (3192), 1339 states have call successors, (1339), 283 states have call predecessors, (1339), 282 states have return successors, (1338), 1320 states have call predecessors, (1338), 1338 states have call successors, (1338) [2022-11-03 02:03:42,504 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4058 states to 4058 states and 5869 transitions. [2022-11-03 02:03:42,505 INFO L78 Accepts]: Start accepts. Automaton has 4058 states and 5869 transitions. Word has length 136 [2022-11-03 02:03:42,508 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:03:42,508 INFO L495 AbstractCegarLoop]: Abstraction has 4058 states and 5869 transitions. [2022-11-03 02:03:42,509 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 9.4) internal successors, (47), 4 states have internal predecessors, (47), 3 states have call successors, (21), 3 states have call predecessors, (21), 1 states have return successors, (16), 3 states have call predecessors, (16), 3 states have call successors, (16) [2022-11-03 02:03:42,509 INFO L276 IsEmpty]: Start isEmpty. Operand 4058 states and 5869 transitions. [2022-11-03 02:03:42,514 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2022-11-03 02:03:42,515 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:03:42,515 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 4, 4, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 02:03:42,515 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-03 02:03:42,515 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 02:03:42,516 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:03:42,516 INFO L85 PathProgramCache]: Analyzing trace with hash 1319297775, now seen corresponding path program 1 times [2022-11-03 02:03:42,516 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 02:03:42,517 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1635612398] [2022-11-03 02:03:42,517 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:03:42,517 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 02:03:42,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:03:42,962 INFO L134 CoverageAnalysis]: Checked inductivity of 170 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 170 trivial. 0 not checked. [2022-11-03 02:03:42,963 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 02:03:42,963 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1635612398] [2022-11-03 02:03:42,963 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1635612398] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 02:03:42,963 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 02:03:42,964 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-03 02:03:42,964 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [811711735] [2022-11-03 02:03:42,964 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 02:03:42,969 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-03 02:03:42,969 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 02:03:42,970 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-03 02:03:42,970 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-03 02:03:42,970 INFO L87 Difference]: Start difference. First operand 4058 states and 5869 transitions. Second operand has 5 states, 5 states have (on average 9.6) internal successors, (48), 4 states have internal predecessors, (48), 3 states have call successors, (21), 3 states have call predecessors, (21), 1 states have return successors, (16), 3 states have call predecessors, (16), 3 states have call successors, (16) [2022-11-03 02:03:46,473 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.83s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:03:50,809 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:03:52,838 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:03:55,759 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.11s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:03:57,988 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:04:00,458 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:04:00,972 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:04:00,972 INFO L93 Difference]: Finished difference Result 7031 states and 10118 transitions. [2022-11-03 02:04:00,972 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-03 02:04:00,973 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 9.6) internal successors, (48), 4 states have internal predecessors, (48), 3 states have call successors, (21), 3 states have call predecessors, (21), 1 states have return successors, (16), 3 states have call predecessors, (16), 3 states have call successors, (16) Word has length 137 [2022-11-03 02:04:00,973 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:04:01,001 INFO L225 Difference]: With dead ends: 7031 [2022-11-03 02:04:01,001 INFO L226 Difference]: Without dead ends: 4067 [2022-11-03 02:04:01,017 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-11-03 02:04:01,018 INFO L413 NwaCegarLoop]: 2092 mSDtfsCounter, 1822 mSDsluCounter, 6419 mSDsCounter, 0 mSdLazyCounter, 827 mSolverCounterSat, 3 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 17.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1826 SdHoareTripleChecker+Valid, 7909 SdHoareTripleChecker+Invalid, 834 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 827 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 17.6s IncrementalHoareTripleChecker+Time [2022-11-03 02:04:01,019 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1826 Valid, 7909 Invalid, 834 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 827 Invalid, 4 Unknown, 0 Unchecked, 17.6s Time] [2022-11-03 02:04:01,024 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4067 states. [2022-11-03 02:04:01,249 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4067 to 4051. [2022-11-03 02:04:01,273 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4051 states, 2431 states have (on average 1.309749074454957) internal successors, (3184), 2485 states have internal predecessors, (3184), 1337 states have call successors, (1337), 283 states have call predecessors, (1337), 282 states have return successors, (1336), 1319 states have call predecessors, (1336), 1336 states have call successors, (1336) [2022-11-03 02:04:01,293 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4051 states to 4051 states and 5857 transitions. [2022-11-03 02:04:01,294 INFO L78 Accepts]: Start accepts. Automaton has 4051 states and 5857 transitions. Word has length 137 [2022-11-03 02:04:01,295 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:04:01,295 INFO L495 AbstractCegarLoop]: Abstraction has 4051 states and 5857 transitions. [2022-11-03 02:04:01,298 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 9.6) internal successors, (48), 4 states have internal predecessors, (48), 3 states have call successors, (21), 3 states have call predecessors, (21), 1 states have return successors, (16), 3 states have call predecessors, (16), 3 states have call successors, (16) [2022-11-03 02:04:01,299 INFO L276 IsEmpty]: Start isEmpty. Operand 4051 states and 5857 transitions. [2022-11-03 02:04:01,306 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 146 [2022-11-03 02:04:01,306 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:04:01,307 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 4, 4, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 02:04:01,307 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-03 02:04:01,307 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 02:04:01,308 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:04:01,308 INFO L85 PathProgramCache]: Analyzing trace with hash -1914821670, now seen corresponding path program 1 times [2022-11-03 02:04:01,309 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 02:04:01,309 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [294498826] [2022-11-03 02:04:01,313 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:04:01,314 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 02:04:01,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:04:01,578 INFO L134 CoverageAnalysis]: Checked inductivity of 174 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 174 trivial. 0 not checked. [2022-11-03 02:04:01,578 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 02:04:01,579 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [294498826] [2022-11-03 02:04:01,579 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [294498826] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 02:04:01,579 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 02:04:01,579 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-03 02:04:01,579 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [789258796] [2022-11-03 02:04:01,580 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 02:04:01,580 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-03 02:04:01,580 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 02:04:01,581 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-03 02:04:01,581 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-03 02:04:01,581 INFO L87 Difference]: Start difference. First operand 4051 states and 5857 transitions. Second operand has 3 states, 3 states have (on average 17.666666666666668) internal successors, (53), 3 states have internal predecessors, (53), 2 states have call successors, (22), 2 states have call predecessors, (22), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2022-11-03 02:04:04,437 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.46s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:04:07,153 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:04:07,153 INFO L93 Difference]: Finished difference Result 11058 states and 15925 transitions. [2022-11-03 02:04:07,153 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-03 02:04:07,154 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 17.666666666666668) internal successors, (53), 3 states have internal predecessors, (53), 2 states have call successors, (22), 2 states have call predecessors, (22), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) Word has length 145 [2022-11-03 02:04:07,154 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:04:07,198 INFO L225 Difference]: With dead ends: 11058 [2022-11-03 02:04:07,199 INFO L226 Difference]: Without dead ends: 7031 [2022-11-03 02:04:07,221 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-03 02:04:07,222 INFO L413 NwaCegarLoop]: 2001 mSDtfsCounter, 1454 mSDsluCounter, 1734 mSDsCounter, 0 mSdLazyCounter, 477 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1454 SdHoareTripleChecker+Valid, 3544 SdHoareTripleChecker+Invalid, 484 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 477 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.1s IncrementalHoareTripleChecker+Time [2022-11-03 02:04:07,222 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1454 Valid, 3544 Invalid, 484 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 477 Invalid, 0 Unknown, 0 Unchecked, 5.1s Time] [2022-11-03 02:04:07,231 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7031 states. [2022-11-03 02:04:07,630 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7031 to 7019. [2022-11-03 02:04:07,640 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7019 states, 4196 states have (on average 1.3029075309818876) internal successors, (5467), 4300 states have internal predecessors, (5467), 2311 states have call successors, (2311), 515 states have call predecessors, (2311), 511 states have return successors, (2310), 2267 states have call predecessors, (2310), 2310 states have call successors, (2310) [2022-11-03 02:04:07,674 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7019 states to 7019 states and 10088 transitions. [2022-11-03 02:04:07,676 INFO L78 Accepts]: Start accepts. Automaton has 7019 states and 10088 transitions. Word has length 145 [2022-11-03 02:04:07,677 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:04:07,677 INFO L495 AbstractCegarLoop]: Abstraction has 7019 states and 10088 transitions. [2022-11-03 02:04:07,678 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 17.666666666666668) internal successors, (53), 3 states have internal predecessors, (53), 2 states have call successors, (22), 2 states have call predecessors, (22), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2022-11-03 02:04:07,678 INFO L276 IsEmpty]: Start isEmpty. Operand 7019 states and 10088 transitions. [2022-11-03 02:04:07,682 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2022-11-03 02:04:07,682 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:04:07,682 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 02:04:07,683 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-11-03 02:04:07,683 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 02:04:07,683 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:04:07,683 INFO L85 PathProgramCache]: Analyzing trace with hash 289414476, now seen corresponding path program 1 times [2022-11-03 02:04:07,684 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 02:04:07,684 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1651059462] [2022-11-03 02:04:07,684 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:04:07,684 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 02:04:07,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:04:08,331 INFO L134 CoverageAnalysis]: Checked inductivity of 178 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 176 trivial. 0 not checked. [2022-11-03 02:04:08,331 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 02:04:08,332 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1651059462] [2022-11-03 02:04:08,332 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1651059462] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-03 02:04:08,332 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1402770235] [2022-11-03 02:04:08,332 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:04:08,333 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-03 02:04:08,333 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab523f43-0c37-4e08-a3c9-5afe1ea3ad3b/bin/utaipan-7li7fVZpFI/z3 [2022-11-03 02:04:08,339 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab523f43-0c37-4e08-a3c9-5afe1ea3ad3b/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-03 02:04:08,351 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab523f43-0c37-4e08-a3c9-5afe1ea3ad3b/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-11-03 02:04:09,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:04:09,341 INFO L263 TraceCheckSpWp]: Trace formula consists of 2445 conjuncts, 7 conjunts are in the unsatisfiable core [2022-11-03 02:04:09,353 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 02:04:09,506 INFO L134 CoverageAnalysis]: Checked inductivity of 178 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 170 trivial. 0 not checked. [2022-11-03 02:04:09,507 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-03 02:04:09,507 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1402770235] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 02:04:09,507 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-03 02:04:09,508 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [8] total 13 [2022-11-03 02:04:09,508 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [968502910] [2022-11-03 02:04:09,508 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 02:04:09,509 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-11-03 02:04:09,509 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 02:04:09,509 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-11-03 02:04:09,510 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=129, Unknown=0, NotChecked=0, Total=156 [2022-11-03 02:04:09,510 INFO L87 Difference]: Start difference. First operand 7019 states and 10088 transitions. Second operand has 7 states, 7 states have (on average 8.0) internal successors, (56), 5 states have internal predecessors, (56), 3 states have call successors, (22), 3 states have call predecessors, (22), 3 states have return successors, (17), 3 states have call predecessors, (17), 2 states have call successors, (17) [2022-11-03 02:04:12,110 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.55s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:04:13,837 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.73s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:04:18,693 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:04:21,885 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.29s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:04:23,044 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.16s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:04:24,335 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.29s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:04:25,684 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.35s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:04:27,703 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:04:29,641 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:04:29,641 INFO L93 Difference]: Finished difference Result 16322 states and 23372 transitions. [2022-11-03 02:04:29,642 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-11-03 02:04:29,642 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 8.0) internal successors, (56), 5 states have internal predecessors, (56), 3 states have call successors, (22), 3 states have call predecessors, (22), 3 states have return successors, (17), 3 states have call predecessors, (17), 2 states have call successors, (17) Word has length 147 [2022-11-03 02:04:29,642 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:04:29,737 INFO L225 Difference]: With dead ends: 16322 [2022-11-03 02:04:29,737 INFO L226 Difference]: Without dead ends: 11558 [2022-11-03 02:04:29,765 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 163 GetRequests, 145 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 24 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=68, Invalid=312, Unknown=0, NotChecked=0, Total=380 [2022-11-03 02:04:29,766 INFO L413 NwaCegarLoop]: 2530 mSDtfsCounter, 1586 mSDsluCounter, 13068 mSDsCounter, 0 mSdLazyCounter, 1656 mSolverCounterSat, 2 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 18.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1590 SdHoareTripleChecker+Valid, 14289 SdHoareTripleChecker+Invalid, 1660 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 1656 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 19.5s IncrementalHoareTripleChecker+Time [2022-11-03 02:04:29,767 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1590 Valid, 14289 Invalid, 1660 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 1656 Invalid, 2 Unknown, 0 Unchecked, 19.5s Time] [2022-11-03 02:04:29,781 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11558 states. [2022-11-03 02:04:30,541 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11558 to 11490. [2022-11-03 02:04:30,555 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11490 states, 6871 states have (on average 1.3014117304613593) internal successors, (8942), 7040 states have internal predecessors, (8942), 3748 states have call successors, (3748), 872 states have call predecessors, (3748), 870 states have return successors, (3757), 3677 states have call predecessors, (3757), 3747 states have call successors, (3757) [2022-11-03 02:04:30,615 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11490 states to 11490 states and 16447 transitions. [2022-11-03 02:04:30,617 INFO L78 Accepts]: Start accepts. Automaton has 11490 states and 16447 transitions. Word has length 147 [2022-11-03 02:04:30,618 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:04:30,618 INFO L495 AbstractCegarLoop]: Abstraction has 11490 states and 16447 transitions. [2022-11-03 02:04:30,618 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 8.0) internal successors, (56), 5 states have internal predecessors, (56), 3 states have call successors, (22), 3 states have call predecessors, (22), 3 states have return successors, (17), 3 states have call predecessors, (17), 2 states have call successors, (17) [2022-11-03 02:04:30,619 INFO L276 IsEmpty]: Start isEmpty. Operand 11490 states and 16447 transitions. [2022-11-03 02:04:30,624 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2022-11-03 02:04:30,624 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:04:30,624 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 4, 4, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 02:04:30,671 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab523f43-0c37-4e08-a3c9-5afe1ea3ad3b/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-11-03 02:04:30,831 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab523f43-0c37-4e08-a3c9-5afe1ea3ad3b/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-03 02:04:30,832 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 02:04:30,832 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:04:30,832 INFO L85 PathProgramCache]: Analyzing trace with hash -1944987412, now seen corresponding path program 1 times [2022-11-03 02:04:30,832 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 02:04:30,832 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [433951358] [2022-11-03 02:04:30,832 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:04:30,833 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 02:04:30,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:04:31,439 INFO L134 CoverageAnalysis]: Checked inductivity of 177 backedges. 1 proven. 6 refuted. 0 times theorem prover too weak. 170 trivial. 0 not checked. [2022-11-03 02:04:31,439 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 02:04:31,440 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [433951358] [2022-11-03 02:04:31,440 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [433951358] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-03 02:04:31,440 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1590451177] [2022-11-03 02:04:31,440 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:04:31,440 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-03 02:04:31,441 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab523f43-0c37-4e08-a3c9-5afe1ea3ad3b/bin/utaipan-7li7fVZpFI/z3 [2022-11-03 02:04:31,442 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab523f43-0c37-4e08-a3c9-5afe1ea3ad3b/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-03 02:04:31,459 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab523f43-0c37-4e08-a3c9-5afe1ea3ad3b/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-11-03 02:04:32,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:04:32,497 INFO L263 TraceCheckSpWp]: Trace formula consists of 2447 conjuncts, 7 conjunts are in the unsatisfiable core [2022-11-03 02:04:32,512 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 02:04:32,642 INFO L134 CoverageAnalysis]: Checked inductivity of 177 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 170 trivial. 0 not checked. [2022-11-03 02:04:32,642 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-03 02:04:32,643 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1590451177] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 02:04:32,643 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-03 02:04:32,643 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [9] total 14 [2022-11-03 02:04:32,643 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1216722802] [2022-11-03 02:04:32,643 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 02:04:32,644 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-11-03 02:04:32,644 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 02:04:32,645 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-11-03 02:04:32,645 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=153, Unknown=0, NotChecked=0, Total=182 [2022-11-03 02:04:32,645 INFO L87 Difference]: Start difference. First operand 11490 states and 16447 transitions. Second operand has 7 states, 7 states have (on average 8.142857142857142) internal successors, (57), 5 states have internal predecessors, (57), 3 states have call successors, (22), 3 states have call predecessors, (22), 3 states have return successors, (17), 3 states have call predecessors, (17), 2 states have call successors, (17) [2022-11-03 02:04:35,003 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.32s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:04:38,525 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.85s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:04:43,267 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:04:48,295 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.65s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:04:50,554 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.43s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:04:52,824 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:04:52,825 INFO L93 Difference]: Finished difference Result 23878 states and 34134 transitions. [2022-11-03 02:04:52,825 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-11-03 02:04:52,826 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 8.142857142857142) internal successors, (57), 5 states have internal predecessors, (57), 3 states have call successors, (22), 3 states have call predecessors, (22), 3 states have return successors, (17), 3 states have call predecessors, (17), 2 states have call successors, (17) Word has length 148 [2022-11-03 02:04:52,826 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:04:52,917 INFO L225 Difference]: With dead ends: 23878 [2022-11-03 02:04:52,918 INFO L226 Difference]: Without dead ends: 15347 [2022-11-03 02:04:52,964 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 164 GetRequests, 145 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 24 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=70, Invalid=350, Unknown=0, NotChecked=0, Total=420 [2022-11-03 02:04:52,965 INFO L413 NwaCegarLoop]: 2547 mSDtfsCounter, 1586 mSDsluCounter, 13132 mSDsCounter, 0 mSdLazyCounter, 1669 mSolverCounterSat, 2 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 18.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1590 SdHoareTripleChecker+Valid, 14362 SdHoareTripleChecker+Invalid, 1672 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 1669 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 19.5s IncrementalHoareTripleChecker+Time [2022-11-03 02:04:52,965 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1590 Valid, 14362 Invalid, 1672 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 1669 Invalid, 1 Unknown, 0 Unchecked, 19.5s Time] [2022-11-03 02:04:52,983 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15347 states. [2022-11-03 02:04:54,096 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15347 to 15267. [2022-11-03 02:04:54,116 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15267 states, 9138 states have (on average 1.30148829065441) internal successors, (11893), 9372 states have internal predecessors, (11893), 4956 states have call successors, (4956), 1168 states have call predecessors, (4956), 1172 states have return successors, (4981), 4856 states have call predecessors, (4981), 4955 states have call successors, (4981) [2022-11-03 02:04:54,194 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15267 states to 15267 states and 21830 transitions. [2022-11-03 02:04:54,198 INFO L78 Accepts]: Start accepts. Automaton has 15267 states and 21830 transitions. Word has length 148 [2022-11-03 02:04:54,199 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:04:54,199 INFO L495 AbstractCegarLoop]: Abstraction has 15267 states and 21830 transitions. [2022-11-03 02:04:54,199 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 8.142857142857142) internal successors, (57), 5 states have internal predecessors, (57), 3 states have call successors, (22), 3 states have call predecessors, (22), 3 states have return successors, (17), 3 states have call predecessors, (17), 2 states have call successors, (17) [2022-11-03 02:04:54,199 INFO L276 IsEmpty]: Start isEmpty. Operand 15267 states and 21830 transitions. [2022-11-03 02:04:54,206 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2022-11-03 02:04:54,206 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:04:54,206 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 4, 4, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 02:04:54,251 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab523f43-0c37-4e08-a3c9-5afe1ea3ad3b/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-11-03 02:04:54,419 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab523f43-0c37-4e08-a3c9-5afe1ea3ad3b/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-03 02:04:54,420 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 02:04:54,420 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:04:54,420 INFO L85 PathProgramCache]: Analyzing trace with hash 1673885523, now seen corresponding path program 1 times [2022-11-03 02:04:54,420 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 02:04:54,420 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [125150640] [2022-11-03 02:04:54,420 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:04:54,420 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 02:04:54,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:04:55,036 INFO L134 CoverageAnalysis]: Checked inductivity of 177 backedges. 1 proven. 6 refuted. 0 times theorem prover too weak. 170 trivial. 0 not checked. [2022-11-03 02:04:55,037 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 02:04:55,037 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [125150640] [2022-11-03 02:04:55,037 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [125150640] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-03 02:04:55,037 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [642684602] [2022-11-03 02:04:55,038 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:04:55,038 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-03 02:04:55,038 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab523f43-0c37-4e08-a3c9-5afe1ea3ad3b/bin/utaipan-7li7fVZpFI/z3 [2022-11-03 02:04:55,040 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab523f43-0c37-4e08-a3c9-5afe1ea3ad3b/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-03 02:04:55,052 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab523f43-0c37-4e08-a3c9-5afe1ea3ad3b/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-11-03 02:04:56,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:04:56,109 INFO L263 TraceCheckSpWp]: Trace formula consists of 2449 conjuncts, 7 conjunts are in the unsatisfiable core [2022-11-03 02:04:56,115 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 02:04:56,210 INFO L134 CoverageAnalysis]: Checked inductivity of 177 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 170 trivial. 0 not checked. [2022-11-03 02:04:56,210 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-03 02:04:56,211 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [642684602] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 02:04:56,211 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-03 02:04:56,211 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [9] total 14 [2022-11-03 02:04:56,211 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1428168483] [2022-11-03 02:04:56,211 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 02:04:56,212 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-11-03 02:04:56,212 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 02:04:56,213 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-11-03 02:04:56,213 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=153, Unknown=0, NotChecked=0, Total=182 [2022-11-03 02:04:56,213 INFO L87 Difference]: Start difference. First operand 15267 states and 21830 transitions. Second operand has 7 states, 7 states have (on average 8.285714285714286) internal successors, (58), 5 states have internal predecessors, (58), 3 states have call successors, (22), 3 states have call predecessors, (22), 3 states have return successors, (17), 3 states have call predecessors, (17), 2 states have call successors, (17) [2022-11-03 02:04:58,399 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.20s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:04:59,757 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.12s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:05:00,885 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.13s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:05:02,743 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.86s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:05:04,048 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.30s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:05:07,563 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:05:09,591 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:05:11,619 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:05:13,646 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:05:15,737 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:05:17,758 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:05:19,232 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.47s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:05:21,257 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:05:24,336 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.27s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:05:28,255 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:05:28,256 INFO L93 Difference]: Finished difference Result 32130 states and 45978 transitions. [2022-11-03 02:05:28,256 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-11-03 02:05:28,256 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 8.285714285714286) internal successors, (58), 5 states have internal predecessors, (58), 3 states have call successors, (22), 3 states have call predecessors, (22), 3 states have return successors, (17), 3 states have call predecessors, (17), 2 states have call successors, (17) Word has length 149 [2022-11-03 02:05:28,257 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:05:28,378 INFO L225 Difference]: With dead ends: 32130 [2022-11-03 02:05:28,378 INFO L226 Difference]: Without dead ends: 19822 [2022-11-03 02:05:28,441 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 165 GetRequests, 146 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 24 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=70, Invalid=350, Unknown=0, NotChecked=0, Total=420 [2022-11-03 02:05:28,442 INFO L413 NwaCegarLoop]: 2222 mSDtfsCounter, 1864 mSDsluCounter, 11649 mSDsCounter, 0 mSdLazyCounter, 1431 mSolverCounterSat, 2 mSolverCounterUnsat, 7 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 30.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1868 SdHoareTripleChecker+Valid, 12737 SdHoareTripleChecker+Invalid, 1440 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 1431 IncrementalHoareTripleChecker+Invalid, 7 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 31.1s IncrementalHoareTripleChecker+Time [2022-11-03 02:05:28,442 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1868 Valid, 12737 Invalid, 1440 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 1431 Invalid, 7 Unknown, 0 Unchecked, 31.1s Time] [2022-11-03 02:05:28,462 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19822 states. [2022-11-03 02:05:29,618 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19822 to 19694. [2022-11-03 02:05:29,648 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19694 states, 11779 states have (on average 1.302996858816538) internal successors, (15348), 12084 states have internal predecessors, (15348), 6428 states have call successors, (6428), 1482 states have call predecessors, (6428), 1486 states have return successors, (6459), 6297 states have call predecessors, (6459), 6427 states have call successors, (6459) [2022-11-03 02:05:29,762 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19694 states to 19694 states and 28235 transitions. [2022-11-03 02:05:29,767 INFO L78 Accepts]: Start accepts. Automaton has 19694 states and 28235 transitions. Word has length 149 [2022-11-03 02:05:29,767 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:05:29,767 INFO L495 AbstractCegarLoop]: Abstraction has 19694 states and 28235 transitions. [2022-11-03 02:05:29,768 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 8.285714285714286) internal successors, (58), 5 states have internal predecessors, (58), 3 states have call successors, (22), 3 states have call predecessors, (22), 3 states have return successors, (17), 3 states have call predecessors, (17), 2 states have call successors, (17) [2022-11-03 02:05:29,768 INFO L276 IsEmpty]: Start isEmpty. Operand 19694 states and 28235 transitions. [2022-11-03 02:05:29,778 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2022-11-03 02:05:29,778 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:05:29,778 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 4, 4, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 02:05:29,820 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab523f43-0c37-4e08-a3c9-5afe1ea3ad3b/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2022-11-03 02:05:29,999 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab523f43-0c37-4e08-a3c9-5afe1ea3ad3b/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-03 02:05:29,999 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 02:05:30,000 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:05:30,000 INFO L85 PathProgramCache]: Analyzing trace with hash 2060684243, now seen corresponding path program 1 times [2022-11-03 02:05:30,000 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 02:05:30,000 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1481460943] [2022-11-03 02:05:30,001 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:05:30,001 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 02:05:30,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:05:30,695 INFO L134 CoverageAnalysis]: Checked inductivity of 177 backedges. 1 proven. 6 refuted. 0 times theorem prover too weak. 170 trivial. 0 not checked. [2022-11-03 02:05:30,696 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 02:05:30,696 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1481460943] [2022-11-03 02:05:30,696 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1481460943] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-03 02:05:30,696 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2033374021] [2022-11-03 02:05:30,696 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:05:30,697 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-03 02:05:30,697 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab523f43-0c37-4e08-a3c9-5afe1ea3ad3b/bin/utaipan-7li7fVZpFI/z3 [2022-11-03 02:05:30,698 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab523f43-0c37-4e08-a3c9-5afe1ea3ad3b/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-03 02:05:30,730 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab523f43-0c37-4e08-a3c9-5afe1ea3ad3b/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-11-03 02:05:31,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:05:31,716 INFO L263 TraceCheckSpWp]: Trace formula consists of 2451 conjuncts, 7 conjunts are in the unsatisfiable core [2022-11-03 02:05:31,720 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 02:05:31,842 INFO L134 CoverageAnalysis]: Checked inductivity of 177 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 170 trivial. 0 not checked. [2022-11-03 02:05:31,842 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-03 02:05:31,842 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2033374021] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 02:05:31,842 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-03 02:05:31,842 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [9] total 14 [2022-11-03 02:05:31,843 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1723705844] [2022-11-03 02:05:31,843 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 02:05:31,843 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-11-03 02:05:31,843 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 02:05:31,843 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-11-03 02:05:31,844 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=153, Unknown=0, NotChecked=0, Total=182 [2022-11-03 02:05:31,844 INFO L87 Difference]: Start difference. First operand 19694 states and 28235 transitions. Second operand has 7 states, 7 states have (on average 8.428571428571429) internal successors, (59), 5 states have internal predecessors, (59), 3 states have call successors, (22), 3 states have call predecessors, (22), 3 states have return successors, (17), 3 states have call predecessors, (17), 2 states have call successors, (17) [2022-11-03 02:05:35,570 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.82s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:05:37,481 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.56s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:05:41,712 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.67s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:05:43,738 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:05:45,762 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:05:48,110 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:05:52,031 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.90s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:05:54,054 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:05:55,075 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.02s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:05:57,828 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:05:57,828 INFO L93 Difference]: Finished difference Result 40986 states and 58790 transitions. [2022-11-03 02:05:57,829 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-11-03 02:05:57,829 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 8.428571428571429) internal successors, (59), 5 states have internal predecessors, (59), 3 states have call successors, (22), 3 states have call predecessors, (22), 3 states have return successors, (17), 3 states have call predecessors, (17), 2 states have call successors, (17) Word has length 150 [2022-11-03 02:05:57,830 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:05:57,961 INFO L225 Difference]: With dead ends: 40986 [2022-11-03 02:05:57,961 INFO L226 Difference]: Without dead ends: 24251 [2022-11-03 02:05:58,031 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 166 GetRequests, 147 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 24 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=70, Invalid=350, Unknown=0, NotChecked=0, Total=420 [2022-11-03 02:05:58,032 INFO L413 NwaCegarLoop]: 2258 mSDtfsCounter, 1864 mSDsluCounter, 11801 mSDsCounter, 0 mSdLazyCounter, 1446 mSolverCounterSat, 2 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 24.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1868 SdHoareTripleChecker+Valid, 12917 SdHoareTripleChecker+Invalid, 1452 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 1446 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 25.0s IncrementalHoareTripleChecker+Time [2022-11-03 02:05:58,032 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1868 Valid, 12917 Invalid, 1452 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 1446 Invalid, 4 Unknown, 0 Unchecked, 25.0s Time] [2022-11-03 02:05:58,056 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24251 states. [2022-11-03 02:05:59,154 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24251 to 19696. [2022-11-03 02:05:59,179 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19696 states, 11781 states have (on average 1.3029454205924793) internal successors, (15350), 12084 states have internal predecessors, (15350), 6428 states have call successors, (6428), 1482 states have call predecessors, (6428), 1486 states have return successors, (6459), 6299 states have call predecessors, (6459), 6427 states have call successors, (6459) [2022-11-03 02:05:59,426 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19696 states to 19696 states and 28237 transitions. [2022-11-03 02:05:59,433 INFO L78 Accepts]: Start accepts. Automaton has 19696 states and 28237 transitions. Word has length 150 [2022-11-03 02:05:59,433 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:05:59,433 INFO L495 AbstractCegarLoop]: Abstraction has 19696 states and 28237 transitions. [2022-11-03 02:05:59,434 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 8.428571428571429) internal successors, (59), 5 states have internal predecessors, (59), 3 states have call successors, (22), 3 states have call predecessors, (22), 3 states have return successors, (17), 3 states have call predecessors, (17), 2 states have call successors, (17) [2022-11-03 02:05:59,434 INFO L276 IsEmpty]: Start isEmpty. Operand 19696 states and 28237 transitions. [2022-11-03 02:05:59,449 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2022-11-03 02:05:59,450 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:05:59,450 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 4, 4, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 02:05:59,496 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab523f43-0c37-4e08-a3c9-5afe1ea3ad3b/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2022-11-03 02:05:59,663 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab523f43-0c37-4e08-a3c9-5afe1ea3ad3b/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable8 [2022-11-03 02:05:59,663 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 02:05:59,664 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:05:59,664 INFO L85 PathProgramCache]: Analyzing trace with hash 1017083447, now seen corresponding path program 1 times [2022-11-03 02:05:59,664 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 02:05:59,664 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1627828158] [2022-11-03 02:05:59,664 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:05:59,665 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 02:05:59,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:06:00,368 INFO L134 CoverageAnalysis]: Checked inductivity of 198 backedges. 18 proven. 8 refuted. 0 times theorem prover too weak. 172 trivial. 0 not checked. [2022-11-03 02:06:00,368 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 02:06:00,369 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1627828158] [2022-11-03 02:06:00,369 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1627828158] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-03 02:06:00,369 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1855488166] [2022-11-03 02:06:00,369 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:06:00,369 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-03 02:06:00,370 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab523f43-0c37-4e08-a3c9-5afe1ea3ad3b/bin/utaipan-7li7fVZpFI/z3 [2022-11-03 02:06:00,372 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab523f43-0c37-4e08-a3c9-5afe1ea3ad3b/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-03 02:06:00,391 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab523f43-0c37-4e08-a3c9-5afe1ea3ad3b/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2022-11-03 02:06:01,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:06:01,384 INFO L263 TraceCheckSpWp]: Trace formula consists of 2518 conjuncts, 12 conjunts are in the unsatisfiable core [2022-11-03 02:06:01,389 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 02:06:01,582 INFO L134 CoverageAnalysis]: Checked inductivity of 198 backedges. 14 proven. 7 refuted. 0 times theorem prover too weak. 177 trivial. 0 not checked. [2022-11-03 02:06:01,582 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-03 02:06:01,989 INFO L134 CoverageAnalysis]: Checked inductivity of 198 backedges. 17 proven. 3 refuted. 0 times theorem prover too weak. 178 trivial. 0 not checked. [2022-11-03 02:06:01,990 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1855488166] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-03 02:06:01,990 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [632394709] [2022-11-03 02:06:02,014 INFO L159 IcfgInterpreter]: Started Sifa with 82 locations of interest [2022-11-03 02:06:02,014 INFO L166 IcfgInterpreter]: Building call graph [2022-11-03 02:06:02,018 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-03 02:06:02,023 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-03 02:06:02,024 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-03 02:06:04,756 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 16 [2022-11-03 02:06:05,379 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:06:05,697 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:06:05,866 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:06:06,032 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:06:06,059 INFO L244 Elim1Store]: Index analysis took 883 ms [2022-11-03 02:06:43,087 WARN L234 SmtUtils]: Spent 36.99s on a formula simplification. DAG size of input: 1766 DAG size of output: 805 (called from [L 353] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2022-11-03 02:06:43,096 INFO L356 Elim1Store]: treesize reduction 5883, result has 19.2 percent of original size [2022-11-03 02:06:43,098 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 72 select indices, 72 select index equivalence classes, 2286 disjoint index pairs (out of 2556 index pairs), introduced 72 new quantified variables, introduced 342 case distinctions, treesize of input 400 treesize of output 1657 [2022-11-03 02:06:45,009 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 16 [2022-11-03 02:06:45,339 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 16 [2022-11-03 02:06:45,682 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:06:45,685 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:06:45,688 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:06:45,690 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:06:45,706 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 67 select indices, 67 select index equivalence classes, 2489 disjoint index pairs (out of 2211 index pairs), introduced 67 new quantified variables, introduced 0 case distinctions, treesize of input 351 treesize of output 557 [2022-11-03 02:06:46,535 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 16 [2022-11-03 02:06:46,820 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 16 [2022-11-03 02:06:47,266 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 16 [2022-11-03 02:06:47,432 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 16 [2022-11-03 02:06:55,582 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 9 [2022-11-03 02:06:55,587 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-11-03 02:06:55,598 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 6 [2022-11-03 02:06:59,805 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:06:59,812 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:06:59,815 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:06:59,822 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:06:59,834 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 71 select indices, 71 select index equivalence classes, 2489 disjoint index pairs (out of 2485 index pairs), introduced 71 new quantified variables, introduced 0 case distinctions, treesize of input 356 treesize of output 214 [2022-11-03 02:07:00,569 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:07:00,571 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:07:00,574 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:07:00,577 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:07:00,582 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:07:00,585 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:07:00,589 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:07:00,592 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:07:00,595 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:07:00,598 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:07:00,601 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:07:00,604 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:07:00,607 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:07:00,611 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:07:00,620 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:07:00,624 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:07:00,632 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:07:00,637 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:07:00,641 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:07:00,645 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:07:00,647 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:07:00,650 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:07:00,653 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:07:00,656 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:07:00,659 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:07:00,662 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:07:00,665 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:07:00,667 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:07:00,670 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:07:00,673 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:07:00,676 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:07:00,679 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:07:00,682 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:07:00,684 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:07:00,687 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:07:00,690 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:07:00,694 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:07:00,698 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:07:00,703 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:07:00,708 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:07:00,713 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:07:00,717 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:07:00,721 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:07:00,725 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:07:00,728 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:07:00,731 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:07:00,735 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:07:00,739 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:07:00,742 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:07:00,747 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:07:00,750 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:07:00,753 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:07:00,755 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:07:00,759 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:07:00,762 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:07:00,765 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:07:00,768 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:07:00,770 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:07:00,773 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:07:00,775 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:07:00,778 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:07:00,781 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:07:00,783 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:07:00,786 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:07:00,790 INFO L244 Elim1Store]: Index analysis took 224 ms [2022-11-03 02:07:00,820 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 151 select indices, 151 select index equivalence classes, 1740 disjoint index pairs (out of 11325 index pairs), introduced 151 new quantified variables, introduced 0 case distinctions, treesize of input 1262 treesize of output 454 [2022-11-03 02:07:01,644 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:07:01,651 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:07:01,654 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:07:01,661 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:07:01,674 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 72 select indices, 72 select index equivalence classes, 2556 disjoint index pairs (out of 2556 index pairs), introduced 72 new quantified variables, introduced 0 case distinctions, treesize of input 361 treesize of output 217 [2022-11-03 02:07:14,421 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:07:14,428 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:07:14,431 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:07:14,438 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:07:14,448 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 71 select indices, 71 select index equivalence classes, 2489 disjoint index pairs (out of 2485 index pairs), introduced 71 new quantified variables, introduced 0 case distinctions, treesize of input 356 treesize of output 214 [2022-11-03 02:07:15,074 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:07:15,076 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:07:15,079 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:07:15,082 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:07:15,084 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:07:15,087 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:07:15,090 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:07:15,092 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:07:15,094 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:07:15,096 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:07:15,099 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:07:15,101 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:07:15,104 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:07:15,107 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:07:15,110 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:07:15,112 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:07:15,119 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:07:15,122 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:07:15,125 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:07:15,140 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:07:15,142 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:07:15,145 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:07:15,147 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:07:15,150 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:07:15,152 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:07:15,154 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:07:15,156 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:07:15,158 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:07:15,160 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:07:15,163 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:07:15,165 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:07:15,167 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:07:15,170 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:07:15,173 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:07:15,175 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:07:15,177 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:07:15,180 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:07:15,184 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:07:15,188 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:07:15,193 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:07:15,198 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:07:15,201 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:07:15,205 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:07:15,209 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:07:15,212 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:07:15,216 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:07:15,219 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:07:15,223 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:07:15,226 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:07:15,230 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:07:15,233 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:07:15,235 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:07:15,238 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:07:15,242 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:07:15,244 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:07:15,247 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:07:15,249 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:07:15,251 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:07:15,253 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:07:15,255 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:07:15,258 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:07:15,260 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:07:15,262 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:07:15,264 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:07:15,267 INFO L244 Elim1Store]: Index analysis took 195 ms [2022-11-03 02:07:15,282 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 151 select indices, 151 select index equivalence classes, 1740 disjoint index pairs (out of 11325 index pairs), introduced 151 new quantified variables, introduced 0 case distinctions, treesize of input 1262 treesize of output 454 [2022-11-03 02:07:16,527 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:07:16,533 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:07:16,537 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:07:16,543 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:07:16,552 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 72 select indices, 72 select index equivalence classes, 2556 disjoint index pairs (out of 2556 index pairs), introduced 72 new quantified variables, introduced 0 case distinctions, treesize of input 361 treesize of output 217 [2022-11-03 02:08:36,393 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-11-03 02:08:36,725 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-11-03 02:08:36,867 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 4 [2022-11-03 02:08:38,875 WARN L234 Elim1Store]: Array PQE input equivalent to false [2022-11-03 02:08:38,898 WARN L234 Elim1Store]: Array PQE input equivalent to false [2022-11-03 02:08:38,903 WARN L234 Elim1Store]: Array PQE input equivalent to false [2022-11-03 02:09:43,696 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-11-03 02:09:43,978 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 4 [2022-11-03 02:09:44,612 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-11-03 02:09:46,373 WARN L234 Elim1Store]: Array PQE input equivalent to false [2022-11-03 02:09:46,387 WARN L234 Elim1Store]: Array PQE input equivalent to false [2022-11-03 02:09:46,419 WARN L234 Elim1Store]: Array PQE input equivalent to false [2022-11-03 02:09:57,337 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 4 [2022-11-03 02:09:57,515 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-11-03 02:09:58,168 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-11-03 02:10:04,221 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 4 [2022-11-03 02:10:04,661 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-11-03 02:10:04,952 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-11-03 02:11:10,212 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-11-03 02:11:10,341 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 4 [2022-11-03 02:11:10,455 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-11-03 02:11:12,675 WARN L234 Elim1Store]: Array PQE input equivalent to false [2022-11-03 02:11:12,679 WARN L234 Elim1Store]: Array PQE input equivalent to false [2022-11-03 02:11:12,683 WARN L234 Elim1Store]: Array PQE input equivalent to false [2022-11-03 02:12:37,792 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-11-03 02:12:38,788 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-11-03 02:12:39,029 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 4 [2022-11-03 02:12:40,525 WARN L234 Elim1Store]: Array PQE input equivalent to false [2022-11-03 02:12:40,581 WARN L234 Elim1Store]: Array PQE input equivalent to false [2022-11-03 02:12:40,591 WARN L234 Elim1Store]: Array PQE input equivalent to false [2022-11-03 02:15:25,441 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 4 [2022-11-03 02:15:25,566 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-11-03 02:15:26,036 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-11-03 02:15:28,188 WARN L234 Elim1Store]: Array PQE input equivalent to false [2022-11-03 02:15:28,191 WARN L234 Elim1Store]: Array PQE input equivalent to false [2022-11-03 02:15:28,216 WARN L234 Elim1Store]: Array PQE input equivalent to false [2022-11-03 02:16:15,660 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-11-03 02:16:16,510 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-11-03 02:16:16,953 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 4 [2022-11-03 02:16:18,550 WARN L234 Elim1Store]: Array PQE input equivalent to false [2022-11-03 02:16:18,610 WARN L234 Elim1Store]: Array PQE input equivalent to false [2022-11-03 02:16:18,639 WARN L234 Elim1Store]: Array PQE input equivalent to false [2022-11-03 02:16:30,171 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-11-03 02:16:30,376 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 4 [2022-11-03 02:16:30,976 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-11-03 02:16:36,490 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-11-03 02:16:37,313 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 4 [2022-11-03 02:16:37,715 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3