./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--fddi--defxx.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_50b79cf9-0d35-4b1b-8665-585c9a5a1b11/bin/utaipan-7li7fVZpFI/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50b79cf9-0d35-4b1b-8665-585c9a5a1b11/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_50b79cf9-0d35-4b1b-8665-585c9a5a1b11/bin/utaipan-7li7fVZpFI/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50b79cf9-0d35-4b1b-8665-585c9a5a1b11/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--fddi--defxx.ko-entry_point.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50b79cf9-0d35-4b1b-8665-585c9a5a1b11/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_50b79cf9-0d35-4b1b-8665-585c9a5a1b11/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 e8e67529e4f1862dffb4b20b34b9723f96164119a4ebff5a58d56eaf6134a8d1 --- 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 03:29:42,001 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-03 03:29:42,004 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-03 03:29:42,046 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-03 03:29:42,046 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-03 03:29:42,052 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-03 03:29:42,055 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-03 03:29:42,060 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-03 03:29:42,066 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-03 03:29:42,069 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-03 03:29:42,070 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-03 03:29:42,071 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-03 03:29:42,072 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-03 03:29:42,073 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-03 03:29:42,075 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-03 03:29:42,076 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-03 03:29:42,077 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-03 03:29:42,078 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-03 03:29:42,085 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-03 03:29:42,095 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-03 03:29:42,097 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-03 03:29:42,100 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-03 03:29:42,104 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-03 03:29:42,105 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-03 03:29:42,108 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-03 03:29:42,109 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-03 03:29:42,109 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-03 03:29:42,110 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-03 03:29:42,110 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-03 03:29:42,112 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-03 03:29:42,112 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-03 03:29:42,113 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-03 03:29:42,114 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-03 03:29:42,115 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-03 03:29:42,122 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-03 03:29:42,124 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-03 03:29:42,125 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-03 03:29:42,125 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-03 03:29:42,125 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-03 03:29:42,126 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-03 03:29:42,127 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-03 03:29:42,128 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50b79cf9-0d35-4b1b-8665-585c9a5a1b11/bin/utaipan-7li7fVZpFI/config/svcomp-Reach-64bit-Taipan_Default.epf [2022-11-03 03:29:42,174 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-03 03:29:42,174 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-03 03:29:42,174 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-03 03:29:42,175 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-03 03:29:42,175 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-03 03:29:42,179 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-03 03:29:42,180 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-03 03:29:42,180 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-03 03:29:42,180 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-03 03:29:42,180 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-03 03:29:42,182 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-03 03:29:42,182 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-03 03:29:42,183 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-03 03:29:42,183 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-03 03:29:42,183 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-03 03:29:42,183 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-03 03:29:42,183 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-03 03:29:42,184 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-03 03:29:42,185 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-03 03:29:42,185 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-03 03:29:42,185 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-03 03:29:42,185 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-03 03:29:42,185 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-03 03:29:42,186 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-03 03:29:42,186 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-03 03:29:42,187 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-03 03:29:42,187 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-03 03:29:42,187 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-03 03:29:42,187 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-03 03:29:42,188 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-03 03:29:42,188 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-03 03:29:42,188 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-03 03:29:42,189 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-03 03:29:42,189 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-03 03:29:42,189 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-03 03:29:42,189 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-03 03:29:42,189 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-03 03:29:42,190 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-03 03:29:42,190 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_50b79cf9-0d35-4b1b-8665-585c9a5a1b11/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50b79cf9-0d35-4b1b-8665-585c9a5a1b11/bin/utaipan-7li7fVZpFI Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e8e67529e4f1862dffb4b20b34b9723f96164119a4ebff5a58d56eaf6134a8d1 [2022-11-03 03:29:42,496 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-03 03:29:42,543 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-03 03:29:42,546 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-03 03:29:42,548 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-03 03:29:42,549 INFO L275 PluginConnector]: CDTParser initialized [2022-11-03 03:29:42,550 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50b79cf9-0d35-4b1b-8665-585c9a5a1b11/bin/utaipan-7li7fVZpFI/../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--fddi--defxx.ko-entry_point.cil.out.i [2022-11-03 03:29:42,649 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50b79cf9-0d35-4b1b-8665-585c9a5a1b11/bin/utaipan-7li7fVZpFI/data/60a0de2e3/98bd60e42955499f8e81f3cdc3276243/FLAG727915f3e [2022-11-03 03:29:43,740 INFO L306 CDTParser]: Found 1 translation units. [2022-11-03 03:29:43,741 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50b79cf9-0d35-4b1b-8665-585c9a5a1b11/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--fddi--defxx.ko-entry_point.cil.out.i [2022-11-03 03:29:43,798 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50b79cf9-0d35-4b1b-8665-585c9a5a1b11/bin/utaipan-7li7fVZpFI/data/60a0de2e3/98bd60e42955499f8e81f3cdc3276243/FLAG727915f3e [2022-11-03 03:29:44,084 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50b79cf9-0d35-4b1b-8665-585c9a5a1b11/bin/utaipan-7li7fVZpFI/data/60a0de2e3/98bd60e42955499f8e81f3cdc3276243 [2022-11-03 03:29:44,086 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-03 03:29:44,088 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-03 03:29:44,092 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-03 03:29:44,093 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-03 03:29:44,097 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-03 03:29:44,098 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 03:29:44" (1/1) ... [2022-11-03 03:29:44,100 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@525eab1f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:29:44, skipping insertion in model container [2022-11-03 03:29:44,100 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 03:29:44" (1/1) ... [2022-11-03 03:29:44,109 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-03 03:29:44,287 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-03 03:29:46,418 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_50b79cf9-0d35-4b1b-8665-585c9a5a1b11/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--fddi--defxx.ko-entry_point.cil.out.i[283284,283297] [2022-11-03 03:29:46,474 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-03 03:29:46,533 INFO L203 MainTranslator]: Completed pre-run [2022-11-03 03:29:46,972 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_50b79cf9-0d35-4b1b-8665-585c9a5a1b11/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--fddi--defxx.ko-entry_point.cil.out.i[283284,283297] [2022-11-03 03:29:46,980 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-03 03:29:47,124 INFO L208 MainTranslator]: Completed translation [2022-11-03 03:29:47,124 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:29:47 WrapperNode [2022-11-03 03:29:47,125 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-03 03:29:47,126 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-03 03:29:47,126 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-03 03:29:47,126 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-03 03:29:47,134 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:29:47" (1/1) ... [2022-11-03 03:29:47,231 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:29:47" (1/1) ... [2022-11-03 03:29:47,405 INFO L138 Inliner]: procedures = 215, calls = 1656, calls flagged for inlining = 108, calls inlined = 105, statements flattened = 3102 [2022-11-03 03:29:47,406 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-03 03:29:47,408 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-03 03:29:47,408 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-03 03:29:47,409 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-03 03:29:47,420 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:29:47" (1/1) ... [2022-11-03 03:29:47,420 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:29:47" (1/1) ... [2022-11-03 03:29:47,468 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:29:47" (1/1) ... [2022-11-03 03:29:47,469 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:29:47" (1/1) ... [2022-11-03 03:29:47,574 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:29:47" (1/1) ... [2022-11-03 03:29:47,589 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:29:47" (1/1) ... [2022-11-03 03:29:47,607 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:29:47" (1/1) ... [2022-11-03 03:29:47,623 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:29:47" (1/1) ... [2022-11-03 03:29:47,662 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-03 03:29:47,663 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-03 03:29:47,663 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-03 03:29:47,663 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-03 03:29:47,665 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:29:47" (1/1) ... [2022-11-03 03:29:47,674 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-03 03:29:47,735 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50b79cf9-0d35-4b1b-8665-585c9a5a1b11/bin/utaipan-7li7fVZpFI/z3 [2022-11-03 03:29:47,749 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50b79cf9-0d35-4b1b-8665-585c9a5a1b11/bin/utaipan-7li7fVZpFI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-03 03:29:47,761 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50b79cf9-0d35-4b1b-8665-585c9a5a1b11/bin/utaipan-7li7fVZpFI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-03 03:29:47,806 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-11-03 03:29:47,807 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-11-03 03:29:47,808 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-11-03 03:29:47,809 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-11-03 03:29:47,809 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2022-11-03 03:29:47,809 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2022-11-03 03:29:47,809 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_alloc_skb [2022-11-03 03:29:47,810 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_alloc_skb [2022-11-03 03:29:47,810 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2022-11-03 03:29:47,810 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2022-11-03 03:29:47,810 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock [2022-11-03 03:29:47,810 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock [2022-11-03 03:29:47,810 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-11-03 03:29:47,811 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-11-03 03:29:47,811 INFO L130 BoogieDeclarations]: Found specification of procedure free_irq [2022-11-03 03:29:47,811 INFO L138 BoogieDeclarations]: Found implementation of procedure free_irq [2022-11-03 03:29:47,811 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2022-11-03 03:29:47,811 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2022-11-03 03:29:47,811 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2022-11-03 03:29:47,812 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2022-11-03 03:29:47,812 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-11-03 03:29:47,812 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-11-03 03:29:47,812 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-11-03 03:29:47,812 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-11-03 03:29:47,812 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2022-11-03 03:29:47,813 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2022-11-03 03:29:47,813 INFO L130 BoogieDeclarations]: Found specification of procedure dma_unmap_single_attrs [2022-11-03 03:29:47,813 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_unmap_single_attrs [2022-11-03 03:29:47,814 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2022-11-03 03:29:47,814 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2022-11-03 03:29:47,815 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-03 03:29:47,815 INFO L130 BoogieDeclarations]: Found specification of procedure dfx_port_read_long [2022-11-03 03:29:47,815 INFO L138 BoogieDeclarations]: Found implementation of procedure dfx_port_read_long [2022-11-03 03:29:47,815 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-03 03:29:47,815 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock [2022-11-03 03:29:47,815 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock [2022-11-03 03:29:47,815 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2022-11-03 03:29:47,815 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2022-11-03 03:29:47,816 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-03 03:29:47,816 INFO L130 BoogieDeclarations]: Found specification of procedure iounmap [2022-11-03 03:29:47,816 INFO L138 BoogieDeclarations]: Found implementation of procedure iounmap [2022-11-03 03:29:47,816 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-11-03 03:29:47,816 INFO L130 BoogieDeclarations]: Found specification of procedure dfx_adap_init [2022-11-03 03:29:47,816 INFO L138 BoogieDeclarations]: Found implementation of procedure dfx_adap_init [2022-11-03 03:29:47,817 INFO L130 BoogieDeclarations]: Found specification of procedure dma_mapping_error [2022-11-03 03:29:47,817 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_mapping_error [2022-11-03 03:29:47,817 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memmove [2022-11-03 03:29:47,818 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memmove [2022-11-03 03:29:47,818 INFO L130 BoogieDeclarations]: Found specification of procedure dfx_int_common [2022-11-03 03:29:47,820 INFO L138 BoogieDeclarations]: Found implementation of procedure dfx_int_common [2022-11-03 03:29:47,820 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2022-11-03 03:29:47,821 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2022-11-03 03:29:47,822 INFO L130 BoogieDeclarations]: Found specification of procedure outb [2022-11-03 03:29:47,822 INFO L138 BoogieDeclarations]: Found implementation of procedure outb [2022-11-03 03:29:47,822 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2022-11-03 03:29:47,822 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2022-11-03 03:29:47,823 INFO L130 BoogieDeclarations]: Found specification of procedure dfx_rcv_flush [2022-11-03 03:29:47,823 INFO L138 BoogieDeclarations]: Found implementation of procedure dfx_rcv_flush [2022-11-03 03:29:47,823 INFO L130 BoogieDeclarations]: Found specification of procedure dfx_ctl_get_stats [2022-11-03 03:29:47,824 INFO L138 BoogieDeclarations]: Found implementation of procedure dfx_ctl_get_stats [2022-11-03 03:29:47,825 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2022-11-03 03:29:47,825 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2022-11-03 03:29:47,826 INFO L130 BoogieDeclarations]: Found specification of procedure dfx_ctl_update_cam [2022-11-03 03:29:47,826 INFO L138 BoogieDeclarations]: Found implementation of procedure dfx_ctl_update_cam [2022-11-03 03:29:47,826 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2022-11-03 03:29:47,826 INFO L130 BoogieDeclarations]: Found specification of procedure dfx_hw_dma_cmd_req [2022-11-03 03:29:47,832 INFO L138 BoogieDeclarations]: Found implementation of procedure dfx_hw_dma_cmd_req [2022-11-03 03:29:47,832 INFO L130 BoogieDeclarations]: Found specification of procedure dfx_hw_dma_uninit [2022-11-03 03:29:47,832 INFO L138 BoogieDeclarations]: Found implementation of procedure dfx_hw_dma_uninit [2022-11-03 03:29:47,832 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2022-11-03 03:29:47,833 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2022-11-03 03:29:47,833 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-11-03 03:29:47,834 INFO L130 BoogieDeclarations]: Found specification of procedure skb_reserve [2022-11-03 03:29:47,834 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_reserve [2022-11-03 03:29:47,834 INFO L130 BoogieDeclarations]: Found specification of procedure dma_sync_single_for_cpu [2022-11-03 03:29:47,835 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_sync_single_for_cpu [2022-11-03 03:29:47,835 INFO L130 BoogieDeclarations]: Found specification of procedure dma_free_attrs [2022-11-03 03:29:47,835 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_free_attrs [2022-11-03 03:29:47,835 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-03 03:29:47,835 INFO L130 BoogieDeclarations]: Found specification of procedure my_skb_align [2022-11-03 03:29:47,835 INFO L138 BoogieDeclarations]: Found implementation of procedure my_skb_align [2022-11-03 03:29:47,835 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2022-11-03 03:29:47,836 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2022-11-03 03:29:47,837 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2022-11-03 03:29:47,837 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2022-11-03 03:29:47,838 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-11-03 03:29:47,838 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-11-03 03:29:47,838 INFO L130 BoogieDeclarations]: Found specification of procedure dfx_port_write_long [2022-11-03 03:29:47,839 INFO L138 BoogieDeclarations]: Found implementation of procedure dfx_port_write_long [2022-11-03 03:29:47,839 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2022-11-03 03:29:47,840 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2022-11-03 03:29:47,840 INFO L130 BoogieDeclarations]: Found specification of procedure __release_region [2022-11-03 03:29:47,840 INFO L138 BoogieDeclarations]: Found implementation of procedure __release_region [2022-11-03 03:29:47,840 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-03 03:29:47,840 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2022-11-03 03:29:47,840 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2022-11-03 03:29:47,840 INFO L130 BoogieDeclarations]: Found specification of procedure disable_suitable_irq_1 [2022-11-03 03:29:47,841 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_suitable_irq_1 [2022-11-03 03:29:47,841 INFO L130 BoogieDeclarations]: Found specification of procedure skb_pull [2022-11-03 03:29:47,841 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_pull [2022-11-03 03:29:47,841 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-11-03 03:29:47,841 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-11-03 03:29:47,841 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2022-11-03 03:29:47,842 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2022-11-03 03:29:47,842 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-03 03:29:47,842 INFO L130 BoogieDeclarations]: Found specification of procedure dma_map_single_attrs [2022-11-03 03:29:47,842 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_map_single_attrs [2022-11-03 03:29:47,842 INFO L130 BoogieDeclarations]: Found specification of procedure dfx_hw_port_ctrl_req [2022-11-03 03:29:47,843 INFO L138 BoogieDeclarations]: Found implementation of procedure dfx_hw_port_ctrl_req [2022-11-03 03:29:47,844 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-03 03:29:47,845 INFO L130 BoogieDeclarations]: Found specification of procedure dfx_xmt_flush [2022-11-03 03:29:47,848 INFO L138 BoogieDeclarations]: Found implementation of procedure dfx_xmt_flush [2022-11-03 03:29:47,848 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2022-11-03 03:29:47,849 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2022-11-03 03:29:47,849 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-03 03:29:47,849 INFO L130 BoogieDeclarations]: Found specification of procedure dfx_ctl_update_filters [2022-11-03 03:29:47,851 INFO L138 BoogieDeclarations]: Found implementation of procedure dfx_ctl_update_filters [2022-11-03 03:29:47,851 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_irq_1 [2022-11-03 03:29:47,851 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_irq_1 [2022-11-03 03:29:47,851 INFO L130 BoogieDeclarations]: Found specification of procedure dfx_ctl_set_mac_address [2022-11-03 03:29:47,851 INFO L138 BoogieDeclarations]: Found implementation of procedure dfx_ctl_set_mac_address [2022-11-03 03:29:47,851 INFO L130 BoogieDeclarations]: Found specification of procedure dfx_ctl_set_multicast_list [2022-11-03 03:29:47,851 INFO L138 BoogieDeclarations]: Found implementation of procedure dfx_ctl_set_multicast_list [2022-11-03 03:29:47,852 INFO L130 BoogieDeclarations]: Found specification of procedure dfx_hw_adap_state_rd [2022-11-03 03:29:47,852 INFO L138 BoogieDeclarations]: Found implementation of procedure dfx_hw_adap_state_rd [2022-11-03 03:29:47,852 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2022-11-03 03:29:47,852 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2022-11-03 03:29:47,852 INFO L130 BoogieDeclarations]: Found specification of procedure inb [2022-11-03 03:29:47,852 INFO L138 BoogieDeclarations]: Found implementation of procedure inb [2022-11-03 03:29:47,852 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-03 03:29:47,853 INFO L130 BoogieDeclarations]: Found specification of procedure dfx_get_bars [2022-11-03 03:29:47,853 INFO L138 BoogieDeclarations]: Found implementation of procedure dfx_get_bars [2022-11-03 03:29:47,853 INFO L130 BoogieDeclarations]: Found specification of procedure __request_region [2022-11-03 03:29:47,853 INFO L138 BoogieDeclarations]: Found implementation of procedure __request_region [2022-11-03 03:29:47,853 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-03 03:29:47,853 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-03 03:29:48,666 INFO L235 CfgBuilder]: Building ICFG [2022-11-03 03:29:48,682 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-03 03:29:49,747 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-11-03 03:30:06,342 INFO L276 CfgBuilder]: Performing block encoding [2022-11-03 03:30:07,550 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-03 03:30:07,550 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-03 03:30:07,555 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.11 03:30:07 BoogieIcfgContainer [2022-11-03 03:30:07,555 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-03 03:30:07,558 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-03 03:30:07,558 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-03 03:30:07,568 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-03 03:30:07,569 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 03.11 03:29:44" (1/3) ... [2022-11-03 03:30:07,569 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@bfef6a1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.11 03:30:07, skipping insertion in model container [2022-11-03 03:30:07,570 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:29:47" (2/3) ... [2022-11-03 03:30:07,570 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@bfef6a1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.11 03:30:07, skipping insertion in model container [2022-11-03 03:30:07,570 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.11 03:30:07" (3/3) ... [2022-11-03 03:30:07,571 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-43_2a-drivers--net--fddi--defxx.ko-entry_point.cil.out.i [2022-11-03 03:30:07,597 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-03 03:30:07,597 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-03 03:30:07,717 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-03 03:30:07,731 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;@77dbdc, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-03 03:30:07,731 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-03 03:30:07,742 INFO L276 IsEmpty]: Start isEmpty. Operand has 860 states, 525 states have (on average 1.3295238095238096) internal successors, (698), 546 states have internal predecessors, (698), 274 states have call successors, (274), 60 states have call predecessors, (274), 59 states have return successors, (268), 268 states have call predecessors, (268), 268 states have call successors, (268) [2022-11-03 03:30:07,790 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2022-11-03 03:30:07,791 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 03:30:07,792 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 03:30:07,793 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 03:30:07,800 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 03:30:07,801 INFO L85 PathProgramCache]: Analyzing trace with hash -1749549801, now seen corresponding path program 1 times [2022-11-03 03:30:07,811 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 03:30:07,812 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2125302377] [2022-11-03 03:30:07,812 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 03:30:07,813 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 03:30:08,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 03:30:09,222 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2022-11-03 03:30:09,223 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 03:30:09,223 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2125302377] [2022-11-03 03:30:09,224 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2125302377] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 03:30:09,225 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 03:30:09,225 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-03 03:30:09,227 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [510846945] [2022-11-03 03:30:09,230 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 03:30:09,237 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-03 03:30:09,239 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 03:30:09,282 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-03 03:30:09,283 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-03 03:30:09,288 INFO L87 Difference]: Start difference. First operand has 860 states, 525 states have (on average 1.3295238095238096) internal successors, (698), 546 states have internal predecessors, (698), 274 states have call successors, (274), 60 states have call predecessors, (274), 59 states have return successors, (268), 268 states have call predecessors, (268), 268 states have call successors, (268) Second operand has 5 states, 5 states have (on average 11.4) internal successors, (57), 4 states have internal predecessors, (57), 3 states have call successors, (22), 3 states have call predecessors, (22), 1 states have return successors, (17), 3 states have call predecessors, (17), 3 states have call successors, (17) [2022-11-03 03:30:15,627 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 03:30:17,856 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 03:30:17,856 INFO L93 Difference]: Finished difference Result 2559 states and 3723 transitions. [2022-11-03 03:30:17,858 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-03 03:30:17,860 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 11.4) internal successors, (57), 4 states have internal predecessors, (57), 3 states have call successors, (22), 3 states have call predecessors, (22), 1 states have return successors, (17), 3 states have call predecessors, (17), 3 states have call successors, (17) Word has length 116 [2022-11-03 03:30:17,861 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 03:30:17,895 INFO L225 Difference]: With dead ends: 2559 [2022-11-03 03:30:17,895 INFO L226 Difference]: Without dead ends: 1682 [2022-11-03 03:30:17,909 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-11-03 03:30:17,912 INFO L413 NwaCegarLoop]: 1485 mSDtfsCounter, 1207 mSDsluCounter, 4425 mSDsCounter, 0 mSdLazyCounter, 508 mSolverCounterSat, 3 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1214 SdHoareTripleChecker+Valid, 5552 SdHoareTripleChecker+Invalid, 512 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 508 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.2s IncrementalHoareTripleChecker+Time [2022-11-03 03:30:17,914 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1214 Valid, 5552 Invalid, 512 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 508 Invalid, 1 Unknown, 0 Unchecked, 8.2s Time] [2022-11-03 03:30:17,938 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1682 states. [2022-11-03 03:30:18,126 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1682 to 1671. [2022-11-03 03:30:18,133 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1671 states, 1028 states have (on average 1.311284046692607) internal successors, (1348), 1056 states have internal predecessors, (1348), 525 states have call successors, (525), 118 states have call predecessors, (525), 117 states have return successors, (527), 522 states have call predecessors, (527), 524 states have call successors, (527) [2022-11-03 03:30:18,156 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1671 states to 1671 states and 2400 transitions. [2022-11-03 03:30:18,159 INFO L78 Accepts]: Start accepts. Automaton has 1671 states and 2400 transitions. Word has length 116 [2022-11-03 03:30:18,160 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 03:30:18,160 INFO L495 AbstractCegarLoop]: Abstraction has 1671 states and 2400 transitions. [2022-11-03 03:30:18,161 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 11.4) internal successors, (57), 4 states have internal predecessors, (57), 3 states have call successors, (22), 3 states have call predecessors, (22), 1 states have return successors, (17), 3 states have call predecessors, (17), 3 states have call successors, (17) [2022-11-03 03:30:18,161 INFO L276 IsEmpty]: Start isEmpty. Operand 1671 states and 2400 transitions. [2022-11-03 03:30:18,180 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2022-11-03 03:30:18,181 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 03:30:18,182 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 03:30:18,182 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-03 03:30:18,182 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 03:30:18,183 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 03:30:18,183 INFO L85 PathProgramCache]: Analyzing trace with hash -411554604, now seen corresponding path program 1 times [2022-11-03 03:30:18,184 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 03:30:18,184 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [174435973] [2022-11-03 03:30:18,184 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 03:30:18,185 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 03:30:18,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 03:30:18,753 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2022-11-03 03:30:18,753 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 03:30:18,753 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [174435973] [2022-11-03 03:30:18,754 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [174435973] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 03:30:18,754 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 03:30:18,754 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-03 03:30:18,755 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1582544078] [2022-11-03 03:30:18,755 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 03:30:18,756 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-03 03:30:18,757 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 03:30:18,757 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-03 03:30:18,758 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-03 03:30:18,758 INFO L87 Difference]: Start difference. First operand 1671 states and 2400 transitions. Second operand has 5 states, 5 states have (on average 11.4) internal successors, (57), 4 states have internal predecessors, (57), 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 03:30:25,115 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.49s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 03:30:28,233 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 03:30:28,234 INFO L93 Difference]: Finished difference Result 4180 states and 6000 transitions. [2022-11-03 03:30:28,234 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-03 03:30:28,235 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 11.4) internal successors, (57), 4 states have internal predecessors, (57), 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 114 [2022-11-03 03:30:28,235 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 03:30:28,252 INFO L225 Difference]: With dead ends: 4180 [2022-11-03 03:30:28,252 INFO L226 Difference]: Without dead ends: 2516 [2022-11-03 03:30:28,260 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-11-03 03:30:28,262 INFO L413 NwaCegarLoop]: 1461 mSDtfsCounter, 1189 mSDsluCounter, 4356 mSDsCounter, 0 mSdLazyCounter, 507 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1193 SdHoareTripleChecker+Valid, 5462 SdHoareTripleChecker+Invalid, 510 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 507 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.2s IncrementalHoareTripleChecker+Time [2022-11-03 03:30:28,263 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1193 Valid, 5462 Invalid, 510 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 507 Invalid, 0 Unknown, 0 Unchecked, 9.2s Time] [2022-11-03 03:30:28,267 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2516 states. [2022-11-03 03:30:28,392 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2516 to 2491. [2022-11-03 03:30:28,398 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2491 states, 1533 states have (on average 1.3124592302674494) internal successors, (2012), 1578 states have internal predecessors, (2012), 781 states have call successors, (781), 177 states have call predecessors, (781), 176 states have return successors, (783), 774 states have call predecessors, (783), 780 states have call successors, (783) [2022-11-03 03:30:28,418 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2491 states to 2491 states and 3576 transitions. [2022-11-03 03:30:28,419 INFO L78 Accepts]: Start accepts. Automaton has 2491 states and 3576 transitions. Word has length 114 [2022-11-03 03:30:28,419 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 03:30:28,420 INFO L495 AbstractCegarLoop]: Abstraction has 2491 states and 3576 transitions. [2022-11-03 03:30:28,420 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 11.4) internal successors, (57), 4 states have internal predecessors, (57), 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 03:30:28,420 INFO L276 IsEmpty]: Start isEmpty. Operand 2491 states and 3576 transitions. [2022-11-03 03:30:28,432 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2022-11-03 03:30:28,432 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 03:30:28,433 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 03:30:28,433 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-03 03:30:28,433 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 03:30:28,434 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 03:30:28,434 INFO L85 PathProgramCache]: Analyzing trace with hash -307475983, now seen corresponding path program 1 times [2022-11-03 03:30:28,434 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 03:30:28,435 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [115909262] [2022-11-03 03:30:28,435 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 03:30:28,435 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 03:30:28,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 03:30:28,916 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2022-11-03 03:30:28,916 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 03:30:28,917 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [115909262] [2022-11-03 03:30:28,917 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [115909262] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 03:30:28,917 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 03:30:28,917 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-03 03:30:28,918 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [95003917] [2022-11-03 03:30:28,918 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 03:30:28,919 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-03 03:30:28,919 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 03:30:28,919 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-03 03:30:28,920 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-03 03:30:28,920 INFO L87 Difference]: Start difference. First operand 2491 states and 3576 transitions. Second operand has 5 states, 5 states have (on average 11.8) internal successors, (59), 4 states have internal predecessors, (59), 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 03:30:35,632 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 03:30:36,642 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.01s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 03:30:39,720 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 03:30:39,720 INFO L93 Difference]: Finished difference Result 4581 states and 6546 transitions. [2022-11-03 03:30:39,721 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-03 03:30:39,721 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 11.8) internal successors, (59), 4 states have internal predecessors, (59), 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 116 [2022-11-03 03:30:39,722 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 03:30:39,738 INFO L225 Difference]: With dead ends: 4581 [2022-11-03 03:30:39,739 INFO L226 Difference]: Without dead ends: 2517 [2022-11-03 03:30:39,748 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-11-03 03:30:39,749 INFO L413 NwaCegarLoop]: 1462 mSDtfsCounter, 1184 mSDsluCounter, 4354 mSDsCounter, 0 mSdLazyCounter, 500 mSolverCounterSat, 3 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 10.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1188 SdHoareTripleChecker+Valid, 5463 SdHoareTripleChecker+Invalid, 504 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 500 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 10.4s IncrementalHoareTripleChecker+Time [2022-11-03 03:30:39,750 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1188 Valid, 5463 Invalid, 504 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 500 Invalid, 1 Unknown, 0 Unchecked, 10.4s Time] [2022-11-03 03:30:39,753 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2517 states. [2022-11-03 03:30:39,867 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2517 to 2496. [2022-11-03 03:30:39,873 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2496 states, 1538 states have (on average 1.311443433029909) internal successors, (2017), 1581 states have internal predecessors, (2017), 780 states have call successors, (780), 178 states have call predecessors, (780), 177 states have return successors, (779), 775 states have call predecessors, (779), 779 states have call successors, (779) [2022-11-03 03:30:39,891 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2496 states to 2496 states and 3576 transitions. [2022-11-03 03:30:39,892 INFO L78 Accepts]: Start accepts. Automaton has 2496 states and 3576 transitions. Word has length 116 [2022-11-03 03:30:39,892 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 03:30:39,893 INFO L495 AbstractCegarLoop]: Abstraction has 2496 states and 3576 transitions. [2022-11-03 03:30:39,893 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 11.8) internal successors, (59), 4 states have internal predecessors, (59), 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 03:30:39,893 INFO L276 IsEmpty]: Start isEmpty. Operand 2496 states and 3576 transitions. [2022-11-03 03:30:39,907 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2022-11-03 03:30:39,907 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 03:30:39,908 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 03:30:39,908 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-03 03:30:39,908 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 03:30:39,909 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 03:30:39,910 INFO L85 PathProgramCache]: Analyzing trace with hash 1811957277, now seen corresponding path program 1 times [2022-11-03 03:30:39,910 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 03:30:39,910 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1014440199] [2022-11-03 03:30:39,910 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 03:30:39,911 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 03:30:40,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 03:30:40,400 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2022-11-03 03:30:40,401 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 03:30:40,401 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1014440199] [2022-11-03 03:30:40,401 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1014440199] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 03:30:40,404 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 03:30:40,405 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-03 03:30:40,407 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [722190946] [2022-11-03 03:30:40,407 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 03:30:40,408 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-03 03:30:40,408 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 03:30:40,408 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-03 03:30:40,409 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-03 03:30:40,409 INFO L87 Difference]: Start difference. First operand 2496 states and 3576 transitions. Second operand has 5 states, 5 states have (on average 12.0) internal successors, (60), 4 states have internal predecessors, (60), 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 03:30:46,480 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.37s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 03:30:49,154 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.31s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 03:30:50,321 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.14s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 03:30:50,982 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 03:30:50,982 INFO L93 Difference]: Finished difference Result 4363 states and 6204 transitions. [2022-11-03 03:30:50,983 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-03 03:30:50,984 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 12.0) internal successors, (60), 4 states have internal predecessors, (60), 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 117 [2022-11-03 03:30:50,984 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 03:30:50,999 INFO L225 Difference]: With dead ends: 4363 [2022-11-03 03:30:50,999 INFO L226 Difference]: Without dead ends: 2293 [2022-11-03 03:30:51,010 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-11-03 03:30:51,011 INFO L413 NwaCegarLoop]: 1477 mSDtfsCounter, 1182 mSDsluCounter, 4392 mSDsCounter, 0 mSdLazyCounter, 513 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 10.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1186 SdHoareTripleChecker+Valid, 5508 SdHoareTripleChecker+Invalid, 516 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 513 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 10.3s IncrementalHoareTripleChecker+Time [2022-11-03 03:30:51,012 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1186 Valid, 5508 Invalid, 516 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 513 Invalid, 0 Unknown, 0 Unchecked, 10.3s Time] [2022-11-03 03:30:51,019 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2293 states. [2022-11-03 03:30:51,174 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2293 to 2277. [2022-11-03 03:30:51,179 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2277 states, 1406 states have (on average 1.3079658605974396) internal successors, (1839), 1441 states have internal predecessors, (1839), 701 states have call successors, (701), 170 states have call predecessors, (701), 169 states have return successors, (700), 697 states have call predecessors, (700), 700 states have call successors, (700) [2022-11-03 03:30:51,194 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2277 states to 2277 states and 3240 transitions. [2022-11-03 03:30:51,195 INFO L78 Accepts]: Start accepts. Automaton has 2277 states and 3240 transitions. Word has length 117 [2022-11-03 03:30:51,195 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 03:30:51,196 INFO L495 AbstractCegarLoop]: Abstraction has 2277 states and 3240 transitions. [2022-11-03 03:30:51,197 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 12.0) internal successors, (60), 4 states have internal predecessors, (60), 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 03:30:51,197 INFO L276 IsEmpty]: Start isEmpty. Operand 2277 states and 3240 transitions. [2022-11-03 03:30:51,212 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2022-11-03 03:30:51,212 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 03:30:51,212 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 03:30:51,213 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-03 03:30:51,213 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 03:30:51,214 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 03:30:51,214 INFO L85 PathProgramCache]: Analyzing trace with hash 1234339328, now seen corresponding path program 1 times [2022-11-03 03:30:51,214 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 03:30:51,215 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [47975432] [2022-11-03 03:30:51,215 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 03:30:51,216 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 03:30:51,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 03:30:52,015 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 39 trivial. 0 not checked. [2022-11-03 03:30:52,016 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 03:30:52,016 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [47975432] [2022-11-03 03:30:52,016 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [47975432] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-03 03:30:52,016 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1362240353] [2022-11-03 03:30:52,016 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 03:30:52,017 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-03 03:30:52,017 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50b79cf9-0d35-4b1b-8665-585c9a5a1b11/bin/utaipan-7li7fVZpFI/z3 [2022-11-03 03:30:52,030 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50b79cf9-0d35-4b1b-8665-585c9a5a1b11/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-03 03:30:52,073 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50b79cf9-0d35-4b1b-8665-585c9a5a1b11/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-11-03 03:30:53,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 03:30:53,038 INFO L263 TraceCheckSpWp]: Trace formula consists of 1967 conjuncts, 3 conjunts are in the unsatisfiable core [2022-11-03 03:30:53,052 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 03:30:53,140 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 39 trivial. 0 not checked. [2022-11-03 03:30:53,142 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-03 03:30:53,142 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1362240353] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 03:30:53,143 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-03 03:30:53,143 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [8] total 9 [2022-11-03 03:30:53,143 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1133678197] [2022-11-03 03:30:53,144 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 03:30:53,145 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-03 03:30:53,145 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 03:30:53,146 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-03 03:30:53,149 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2022-11-03 03:30:53,149 INFO L87 Difference]: Start difference. First operand 2277 states and 3240 transitions. Second operand has 3 states, 3 states have (on average 21.0) internal successors, (63), 3 states have internal predecessors, (63), 2 states have call successors, (21), 2 states have call predecessors, (21), 2 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2022-11-03 03:30:57,705 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 03:30:57,705 INFO L93 Difference]: Finished difference Result 3944 states and 5626 transitions. [2022-11-03 03:30:57,705 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-03 03:30:57,706 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 21.0) internal successors, (63), 3 states have internal predecessors, (63), 2 states have call successors, (21), 2 states have call predecessors, (21), 2 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) Word has length 126 [2022-11-03 03:30:57,706 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 03:30:57,722 INFO L225 Difference]: With dead ends: 3944 [2022-11-03 03:30:57,722 INFO L226 Difference]: Without dead ends: 2269 [2022-11-03 03:30:57,730 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 134 GetRequests, 127 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2022-11-03 03:30:57,731 INFO L413 NwaCegarLoop]: 1091 mSDtfsCounter, 14 mSDsluCounter, 1177 mSDsCounter, 0 mSdLazyCounter, 236 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 28 SdHoareTripleChecker+Valid, 2151 SdHoareTripleChecker+Invalid, 236 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 236 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.4s IncrementalHoareTripleChecker+Time [2022-11-03 03:30:57,731 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [28 Valid, 2151 Invalid, 236 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 236 Invalid, 0 Unknown, 0 Unchecked, 4.4s Time] [2022-11-03 03:30:57,735 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2269 states. [2022-11-03 03:30:57,843 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2269 to 2265. [2022-11-03 03:30:57,849 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2265 states, 1402 states have (on average 1.3059914407988589) internal successors, (1831), 1435 states have internal predecessors, (1831), 693 states have call successors, (693), 170 states have call predecessors, (693), 169 states have return successors, (692), 689 states have call predecessors, (692), 692 states have call successors, (692) [2022-11-03 03:30:57,862 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2265 states to 2265 states and 3216 transitions. [2022-11-03 03:30:57,862 INFO L78 Accepts]: Start accepts. Automaton has 2265 states and 3216 transitions. Word has length 126 [2022-11-03 03:30:57,863 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 03:30:57,863 INFO L495 AbstractCegarLoop]: Abstraction has 2265 states and 3216 transitions. [2022-11-03 03:30:57,863 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 21.0) internal successors, (63), 3 states have internal predecessors, (63), 2 states have call successors, (21), 2 states have call predecessors, (21), 2 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2022-11-03 03:30:57,864 INFO L276 IsEmpty]: Start isEmpty. Operand 2265 states and 3216 transitions. [2022-11-03 03:30:57,873 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2022-11-03 03:30:57,874 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 03:30:57,874 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 03:30:57,918 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50b79cf9-0d35-4b1b-8665-585c9a5a1b11/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2022-11-03 03:30:58,092 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50b79cf9-0d35-4b1b-8665-585c9a5a1b11/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-03 03:30:58,092 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 03:30:58,092 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 03:30:58,093 INFO L85 PathProgramCache]: Analyzing trace with hash 401767928, now seen corresponding path program 1 times [2022-11-03 03:30:58,093 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 03:30:58,093 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [672663562] [2022-11-03 03:30:58,093 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 03:30:58,093 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 03:30:58,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 03:30:58,729 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 39 trivial. 0 not checked. [2022-11-03 03:30:58,730 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 03:30:58,730 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [672663562] [2022-11-03 03:30:58,730 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [672663562] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-03 03:30:58,730 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [469638120] [2022-11-03 03:30:58,730 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 03:30:58,730 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-03 03:30:58,731 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50b79cf9-0d35-4b1b-8665-585c9a5a1b11/bin/utaipan-7li7fVZpFI/z3 [2022-11-03 03:30:58,732 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50b79cf9-0d35-4b1b-8665-585c9a5a1b11/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-03 03:30:58,752 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50b79cf9-0d35-4b1b-8665-585c9a5a1b11/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-11-03 03:30:59,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 03:30:59,738 INFO L263 TraceCheckSpWp]: Trace formula consists of 1940 conjuncts, 3 conjunts are in the unsatisfiable core [2022-11-03 03:30:59,745 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 03:30:59,791 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 39 trivial. 0 not checked. [2022-11-03 03:30:59,796 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-03 03:30:59,797 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [469638120] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 03:30:59,797 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-03 03:30:59,797 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [8] total 9 [2022-11-03 03:30:59,797 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1919003894] [2022-11-03 03:30:59,798 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 03:30:59,798 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-03 03:30:59,798 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 03:30:59,799 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-03 03:30:59,799 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2022-11-03 03:30:59,799 INFO L87 Difference]: Start difference. First operand 2265 states and 3216 transitions. Second operand has 3 states, 3 states have (on average 21.333333333333332) internal successors, (64), 3 states have internal predecessors, (64), 2 states have call successors, (22), 2 states have call predecessors, (22), 2 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2022-11-03 03:31:03,921 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 03:31:04,981 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 03:31:04,982 INFO L93 Difference]: Finished difference Result 3910 states and 5562 transitions. [2022-11-03 03:31:04,982 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-03 03:31:04,983 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 21.333333333333332) internal successors, (64), 3 states have internal predecessors, (64), 2 states have call successors, (22), 2 states have call predecessors, (22), 2 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) Word has length 129 [2022-11-03 03:31:04,983 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 03:31:04,998 INFO L225 Difference]: With dead ends: 3910 [2022-11-03 03:31:04,998 INFO L226 Difference]: Without dead ends: 2247 [2022-11-03 03:31:05,007 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 137 GetRequests, 130 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2022-11-03 03:31:05,008 INFO L413 NwaCegarLoop]: 1071 mSDtfsCounter, 9 mSDsluCounter, 1170 mSDsCounter, 0 mSdLazyCounter, 235 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 16 SdHoareTripleChecker+Valid, 2124 SdHoareTripleChecker+Invalid, 236 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 235 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.0s IncrementalHoareTripleChecker+Time [2022-11-03 03:31:05,008 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [16 Valid, 2124 Invalid, 236 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 235 Invalid, 1 Unknown, 0 Unchecked, 5.0s Time] [2022-11-03 03:31:05,012 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2247 states. [2022-11-03 03:31:05,111 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2247 to 2243. [2022-11-03 03:31:05,115 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2243 states, 1394 states have (on average 1.3048780487804879) internal successors, (1819), 1425 states have internal predecessors, (1819), 679 states have call successors, (679), 170 states have call predecessors, (679), 169 states have return successors, (678), 675 states have call predecessors, (678), 678 states have call successors, (678) [2022-11-03 03:31:05,126 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2243 states to 2243 states and 3176 transitions. [2022-11-03 03:31:05,127 INFO L78 Accepts]: Start accepts. Automaton has 2243 states and 3176 transitions. Word has length 129 [2022-11-03 03:31:05,127 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 03:31:05,127 INFO L495 AbstractCegarLoop]: Abstraction has 2243 states and 3176 transitions. [2022-11-03 03:31:05,127 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 21.333333333333332) internal successors, (64), 3 states have internal predecessors, (64), 2 states have call successors, (22), 2 states have call predecessors, (22), 2 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2022-11-03 03:31:05,128 INFO L276 IsEmpty]: Start isEmpty. Operand 2243 states and 3176 transitions. [2022-11-03 03:31:05,137 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2022-11-03 03:31:05,137 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 03:31:05,137 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 03:31:05,184 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50b79cf9-0d35-4b1b-8665-585c9a5a1b11/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-11-03 03:31:05,352 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50b79cf9-0d35-4b1b-8665-585c9a5a1b11/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-03 03:31:05,352 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 03:31:05,353 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 03:31:05,353 INFO L85 PathProgramCache]: Analyzing trace with hash 614503287, now seen corresponding path program 1 times [2022-11-03 03:31:05,353 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 03:31:05,353 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2131494041] [2022-11-03 03:31:05,353 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 03:31:05,354 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 03:31:05,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 03:31:05,999 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 39 trivial. 0 not checked. [2022-11-03 03:31:05,999 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 03:31:05,999 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2131494041] [2022-11-03 03:31:05,999 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2131494041] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-03 03:31:05,999 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1192741260] [2022-11-03 03:31:06,000 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 03:31:06,000 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-03 03:31:06,000 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50b79cf9-0d35-4b1b-8665-585c9a5a1b11/bin/utaipan-7li7fVZpFI/z3 [2022-11-03 03:31:06,004 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50b79cf9-0d35-4b1b-8665-585c9a5a1b11/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-03 03:31:06,028 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50b79cf9-0d35-4b1b-8665-585c9a5a1b11/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-11-03 03:31:06,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 03:31:06,981 INFO L263 TraceCheckSpWp]: Trace formula consists of 1991 conjuncts, 7 conjunts are in the unsatisfiable core [2022-11-03 03:31:06,989 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 03:31:07,201 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2022-11-03 03:31:07,201 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-03 03:31:07,201 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1192741260] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 03:31:07,201 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-03 03:31:07,202 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [8] total 13 [2022-11-03 03:31:07,202 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1940108265] [2022-11-03 03:31:07,202 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 03:31:07,203 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-11-03 03:31:07,203 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 03:31:07,204 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-11-03 03:31:07,204 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=129, Unknown=0, NotChecked=0, Total=156 [2022-11-03 03:31:07,204 INFO L87 Difference]: Start difference. First operand 2243 states and 3176 transitions. Second operand has 7 states, 7 states have (on average 9.428571428571429) internal successors, (66), 5 states have internal predecessors, (66), 3 states have call successors, (23), 3 states have call predecessors, (23), 3 states have return successors, (18), 3 states have call predecessors, (18), 2 states have call successors, (18) [2022-11-03 03:31:14,445 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 03:31:18,596 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 03:31:18,596 INFO L93 Difference]: Finished difference Result 5334 states and 7559 transitions. [2022-11-03 03:31:18,597 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-11-03 03:31:18,597 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 9.428571428571429) internal successors, (66), 5 states have internal predecessors, (66), 3 states have call successors, (23), 3 states have call predecessors, (23), 3 states have return successors, (18), 3 states have call predecessors, (18), 2 states have call successors, (18) Word has length 127 [2022-11-03 03:31:18,597 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 03:31:18,624 INFO L225 Difference]: With dead ends: 5334 [2022-11-03 03:31:18,624 INFO L226 Difference]: Without dead ends: 3693 [2022-11-03 03:31:18,633 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 143 GetRequests, 125 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=68, Invalid=312, Unknown=0, NotChecked=0, Total=380 [2022-11-03 03:31:18,634 INFO L413 NwaCegarLoop]: 1534 mSDtfsCounter, 1177 mSDsluCounter, 7855 mSDsCounter, 0 mSdLazyCounter, 876 mSolverCounterSat, 2 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 10.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1184 SdHoareTripleChecker+Valid, 8721 SdHoareTripleChecker+Invalid, 879 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 876 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 11.0s IncrementalHoareTripleChecker+Time [2022-11-03 03:31:18,635 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1184 Valid, 8721 Invalid, 879 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 876 Invalid, 1 Unknown, 0 Unchecked, 11.0s Time] [2022-11-03 03:31:18,640 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3693 states. [2022-11-03 03:31:18,819 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3693 to 3656. [2022-11-03 03:31:18,827 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3656 states, 2274 states have (on average 1.3065083553210202) internal successors, (2971), 2331 states have internal predecessors, (2971), 1101 states have call successors, (1101), 279 states have call predecessors, (1101), 280 states have return successors, (1111), 1090 states have call predecessors, (1111), 1100 states have call successors, (1111) [2022-11-03 03:31:18,845 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3656 states to 3656 states and 5183 transitions. [2022-11-03 03:31:18,846 INFO L78 Accepts]: Start accepts. Automaton has 3656 states and 5183 transitions. Word has length 127 [2022-11-03 03:31:18,846 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 03:31:18,846 INFO L495 AbstractCegarLoop]: Abstraction has 3656 states and 5183 transitions. [2022-11-03 03:31:18,847 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 9.428571428571429) internal successors, (66), 5 states have internal predecessors, (66), 3 states have call successors, (23), 3 states have call predecessors, (23), 3 states have return successors, (18), 3 states have call predecessors, (18), 2 states have call successors, (18) [2022-11-03 03:31:18,847 INFO L276 IsEmpty]: Start isEmpty. Operand 3656 states and 5183 transitions. [2022-11-03 03:31:18,863 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2022-11-03 03:31:18,863 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 03:31:18,863 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 03:31:18,908 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50b79cf9-0d35-4b1b-8665-585c9a5a1b11/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2022-11-03 03:31:19,084 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50b79cf9-0d35-4b1b-8665-585c9a5a1b11/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-03 03:31:19,084 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 03:31:19,084 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 03:31:19,085 INFO L85 PathProgramCache]: Analyzing trace with hash -1799491450, now seen corresponding path program 1 times [2022-11-03 03:31:19,085 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 03:31:19,085 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1652279880] [2022-11-03 03:31:19,085 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 03:31:19,085 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 03:31:19,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 03:31:19,721 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 1 proven. 5 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2022-11-03 03:31:19,721 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 03:31:19,721 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1652279880] [2022-11-03 03:31:19,721 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1652279880] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-03 03:31:19,722 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1981157941] [2022-11-03 03:31:19,722 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 03:31:19,722 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-03 03:31:19,722 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50b79cf9-0d35-4b1b-8665-585c9a5a1b11/bin/utaipan-7li7fVZpFI/z3 [2022-11-03 03:31:19,724 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50b79cf9-0d35-4b1b-8665-585c9a5a1b11/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-03 03:31:19,748 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50b79cf9-0d35-4b1b-8665-585c9a5a1b11/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-11-03 03:31:20,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 03:31:20,823 INFO L263 TraceCheckSpWp]: Trace formula consists of 1993 conjuncts, 7 conjunts are in the unsatisfiable core [2022-11-03 03:31:20,828 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 03:31:21,032 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2022-11-03 03:31:21,033 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-03 03:31:21,033 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1981157941] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 03:31:21,034 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-03 03:31:21,034 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [9] total 14 [2022-11-03 03:31:21,034 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [315085593] [2022-11-03 03:31:21,034 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 03:31:21,035 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-11-03 03:31:21,035 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 03:31:21,036 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-11-03 03:31:21,036 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=153, Unknown=0, NotChecked=0, Total=182 [2022-11-03 03:31:21,036 INFO L87 Difference]: Start difference. First operand 3656 states and 5183 transitions. Second operand has 7 states, 7 states have (on average 9.571428571428571) internal successors, (67), 5 states have internal predecessors, (67), 3 states have call successors, (23), 3 states have call predecessors, (23), 3 states have return successors, (18), 3 states have call predecessors, (18), 2 states have call successors, (18) [2022-11-03 03:31:29,176 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.50s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 03:31:32,009 WARN L539 Checker$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 03:31:36,052 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 03:31:36,052 INFO L93 Difference]: Finished difference Result 8169 states and 11573 transitions. [2022-11-03 03:31:36,053 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-11-03 03:31:36,053 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 9.571428571428571) internal successors, (67), 5 states have internal predecessors, (67), 3 states have call successors, (23), 3 states have call predecessors, (23), 3 states have return successors, (18), 3 states have call predecessors, (18), 2 states have call successors, (18) Word has length 128 [2022-11-03 03:31:36,053 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 03:31:36,089 INFO L225 Difference]: With dead ends: 8169 [2022-11-03 03:31:36,090 INFO L226 Difference]: Without dead ends: 5115 [2022-11-03 03:31:36,106 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 144 GetRequests, 125 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=70, Invalid=350, Unknown=0, NotChecked=0, Total=420 [2022-11-03 03:31:36,107 INFO L413 NwaCegarLoop]: 1542 mSDtfsCounter, 1178 mSDsluCounter, 7884 mSDsCounter, 0 mSdLazyCounter, 888 mSolverCounterSat, 2 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 14.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1182 SdHoareTripleChecker+Valid, 8749 SdHoareTripleChecker+Invalid, 891 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 888 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 14.6s IncrementalHoareTripleChecker+Time [2022-11-03 03:31:36,107 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1182 Valid, 8749 Invalid, 891 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 888 Invalid, 1 Unknown, 0 Unchecked, 14.6s Time] [2022-11-03 03:31:36,115 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5115 states. [2022-11-03 03:31:36,426 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5115 to 5076. [2022-11-03 03:31:36,443 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5076 states, 3159 states have (on average 1.3067426400759734) internal successors, (4128), 3243 states have internal predecessors, (4128), 1523 states have call successors, (1523), 388 states have call predecessors, (1523), 393 states have return successors, (1541), 1506 states have call predecessors, (1541), 1522 states have call successors, (1541) [2022-11-03 03:31:36,474 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5076 states to 5076 states and 7192 transitions. [2022-11-03 03:31:36,475 INFO L78 Accepts]: Start accepts. Automaton has 5076 states and 7192 transitions. Word has length 128 [2022-11-03 03:31:36,476 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 03:31:36,476 INFO L495 AbstractCegarLoop]: Abstraction has 5076 states and 7192 transitions. [2022-11-03 03:31:36,477 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 9.571428571428571) internal successors, (67), 5 states have internal predecessors, (67), 3 states have call successors, (23), 3 states have call predecessors, (23), 3 states have return successors, (18), 3 states have call predecessors, (18), 2 states have call successors, (18) [2022-11-03 03:31:36,477 INFO L276 IsEmpty]: Start isEmpty. Operand 5076 states and 7192 transitions. [2022-11-03 03:31:36,505 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2022-11-03 03:31:36,505 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 03:31:36,506 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 03:31:36,552 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50b79cf9-0d35-4b1b-8665-585c9a5a1b11/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2022-11-03 03:31:36,732 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50b79cf9-0d35-4b1b-8665-585c9a5a1b11/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable7 [2022-11-03 03:31:36,732 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 03:31:36,732 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 03:31:36,733 INFO L85 PathProgramCache]: Analyzing trace with hash 773347248, now seen corresponding path program 1 times [2022-11-03 03:31:36,733 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 03:31:36,733 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1829271599] [2022-11-03 03:31:36,733 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 03:31:36,733 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 03:31:36,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 03:31:37,331 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 1 proven. 5 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2022-11-03 03:31:37,331 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 03:31:37,331 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1829271599] [2022-11-03 03:31:37,332 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1829271599] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-03 03:31:37,332 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1981450553] [2022-11-03 03:31:37,332 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 03:31:37,332 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-03 03:31:37,332 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50b79cf9-0d35-4b1b-8665-585c9a5a1b11/bin/utaipan-7li7fVZpFI/z3 [2022-11-03 03:31:37,340 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50b79cf9-0d35-4b1b-8665-585c9a5a1b11/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-03 03:31:37,372 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50b79cf9-0d35-4b1b-8665-585c9a5a1b11/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2022-11-03 03:31:38,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 03:31:38,353 INFO L263 TraceCheckSpWp]: Trace formula consists of 1995 conjuncts, 7 conjunts are in the unsatisfiable core [2022-11-03 03:31:38,358 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 03:31:38,558 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2022-11-03 03:31:38,559 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-03 03:31:38,559 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1981450553] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 03:31:38,559 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-03 03:31:38,559 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [9] total 14 [2022-11-03 03:31:38,560 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2127005513] [2022-11-03 03:31:38,560 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 03:31:38,560 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-11-03 03:31:38,560 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 03:31:38,561 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-11-03 03:31:38,561 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=153, Unknown=0, NotChecked=0, Total=182 [2022-11-03 03:31:38,561 INFO L87 Difference]: Start difference. First operand 5076 states and 7192 transitions. Second operand has 7 states, 7 states have (on average 9.714285714285714) internal successors, (68), 5 states have internal predecessors, (68), 3 states have call successors, (23), 3 states have call predecessors, (23), 3 states have return successors, (18), 3 states have call predecessors, (18), 2 states have call successors, (18) [2022-11-03 03:31:45,429 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 03:31:48,703 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 03:31:48,703 INFO L93 Difference]: Finished difference Result 11009 states and 15597 transitions. [2022-11-03 03:31:48,703 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-11-03 03:31:48,704 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 9.714285714285714) internal successors, (68), 5 states have internal predecessors, (68), 3 states have call successors, (23), 3 states have call predecessors, (23), 3 states have return successors, (18), 3 states have call predecessors, (18), 2 states have call successors, (18) Word has length 129 [2022-11-03 03:31:48,704 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 03:31:48,750 INFO L225 Difference]: With dead ends: 11009 [2022-11-03 03:31:48,750 INFO L226 Difference]: Without dead ends: 6535 [2022-11-03 03:31:48,774 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 145 GetRequests, 126 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=70, Invalid=350, Unknown=0, NotChecked=0, Total=420 [2022-11-03 03:31:48,775 INFO L413 NwaCegarLoop]: 1542 mSDtfsCounter, 1177 mSDsluCounter, 7879 mSDsCounter, 0 mSdLazyCounter, 883 mSolverCounterSat, 2 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1184 SdHoareTripleChecker+Valid, 8749 SdHoareTripleChecker+Invalid, 886 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 883 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.7s IncrementalHoareTripleChecker+Time [2022-11-03 03:31:48,776 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1184 Valid, 8749 Invalid, 886 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 883 Invalid, 1 Unknown, 0 Unchecked, 9.7s Time] [2022-11-03 03:31:48,785 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6535 states. [2022-11-03 03:31:49,137 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6535 to 6465. [2022-11-03 03:31:49,150 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6465 states, 4020 states have (on average 1.3077114427860697) internal successors, (5257), 4128 states have internal predecessors, (5257), 1943 states have call successors, (1943), 495 states have call predecessors, (1943), 501 states have return successors, (1970), 1920 states have call predecessors, (1970), 1942 states have call successors, (1970) [2022-11-03 03:31:49,179 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6465 states to 6465 states and 9170 transitions. [2022-11-03 03:31:49,180 INFO L78 Accepts]: Start accepts. Automaton has 6465 states and 9170 transitions. Word has length 129 [2022-11-03 03:31:49,181 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 03:31:49,181 INFO L495 AbstractCegarLoop]: Abstraction has 6465 states and 9170 transitions. [2022-11-03 03:31:49,181 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 9.714285714285714) internal successors, (68), 5 states have internal predecessors, (68), 3 states have call successors, (23), 3 states have call predecessors, (23), 3 states have return successors, (18), 3 states have call predecessors, (18), 2 states have call successors, (18) [2022-11-03 03:31:49,181 INFO L276 IsEmpty]: Start isEmpty. Operand 6465 states and 9170 transitions. [2022-11-03 03:31:49,202 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2022-11-03 03:31:49,202 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 03:31:49,203 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 03:31:49,253 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50b79cf9-0d35-4b1b-8665-585c9a5a1b11/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2022-11-03 03:31:49,412 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50b79cf9-0d35-4b1b-8665-585c9a5a1b11/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable8 [2022-11-03 03:31:49,412 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 03:31:49,413 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 03:31:49,413 INFO L85 PathProgramCache]: Analyzing trace with hash -1229637592, now seen corresponding path program 1 times [2022-11-03 03:31:49,413 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 03:31:49,413 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [49399715] [2022-11-03 03:31:49,413 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 03:31:49,413 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 03:31:49,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 03:31:49,694 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2022-11-03 03:31:49,695 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 03:31:49,695 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [49399715] [2022-11-03 03:31:49,695 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [49399715] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 03:31:49,695 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 03:31:49,696 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-03 03:31:49,696 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1768316501] [2022-11-03 03:31:49,696 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 03:31:49,696 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-03 03:31:49,697 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 03:31:49,697 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-03 03:31:49,697 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-03 03:31:49,698 INFO L87 Difference]: Start difference. First operand 6465 states and 9170 transitions. Second operand has 3 states, 3 states have (on average 23.333333333333332) internal successors, (70), 3 states have internal predecessors, (70), 2 states have call successors, (23), 2 states have call predecessors, (23), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2022-11-03 03:31:54,538 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 03:31:55,025 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 03:31:55,025 INFO L93 Difference]: Finished difference Result 17029 states and 24041 transitions. [2022-11-03 03:31:55,026 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-03 03:31:55,027 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 23.333333333333332) internal successors, (70), 3 states have internal predecessors, (70), 2 states have call successors, (23), 2 states have call predecessors, (23), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) Word has length 132 [2022-11-03 03:31:55,027 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 03:31:55,086 INFO L225 Difference]: With dead ends: 17029 [2022-11-03 03:31:55,086 INFO L226 Difference]: Without dead ends: 10571 [2022-11-03 03:31:55,119 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 03:31:55,120 INFO L413 NwaCegarLoop]: 1293 mSDtfsCounter, 890 mSDsluCounter, 1072 mSDsCounter, 0 mSdLazyCounter, 271 mSolverCounterSat, 7 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 890 SdHoareTripleChecker+Valid, 2259 SdHoareTripleChecker+Invalid, 279 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 271 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.0s IncrementalHoareTripleChecker+Time [2022-11-03 03:31:55,121 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [890 Valid, 2259 Invalid, 279 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 271 Invalid, 1 Unknown, 0 Unchecked, 5.0s Time] [2022-11-03 03:31:55,136 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10571 states. [2022-11-03 03:31:55,750 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10571 to 10550. [2022-11-03 03:31:55,770 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10550 states, 6630 states have (on average 1.3090497737556561) internal successors, (8679), 6821 states have internal predecessors, (8679), 3065 states have call successors, (3065), 841 states have call predecessors, (3065), 854 states have return successors, (3108), 3014 states have call predecessors, (3108), 3064 states have call successors, (3108) [2022-11-03 03:31:55,827 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10550 states to 10550 states and 14852 transitions. [2022-11-03 03:31:55,830 INFO L78 Accepts]: Start accepts. Automaton has 10550 states and 14852 transitions. Word has length 132 [2022-11-03 03:31:55,831 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 03:31:55,831 INFO L495 AbstractCegarLoop]: Abstraction has 10550 states and 14852 transitions. [2022-11-03 03:31:55,832 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 23.333333333333332) internal successors, (70), 3 states have internal predecessors, (70), 2 states have call successors, (23), 2 states have call predecessors, (23), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2022-11-03 03:31:55,832 INFO L276 IsEmpty]: Start isEmpty. Operand 10550 states and 14852 transitions. [2022-11-03 03:31:55,839 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2022-11-03 03:31:55,840 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 03:31:55,840 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 03:31:55,840 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-11-03 03:31:55,841 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 03:31:55,841 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 03:31:55,842 INFO L85 PathProgramCache]: Analyzing trace with hash -975767521, now seen corresponding path program 1 times [2022-11-03 03:31:55,842 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 03:31:55,842 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [929528444] [2022-11-03 03:31:55,842 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 03:31:55,843 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 03:31:55,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 03:31:56,517 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 1 proven. 5 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2022-11-03 03:31:56,518 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 03:31:56,518 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [929528444] [2022-11-03 03:31:56,518 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [929528444] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-03 03:31:56,518 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [503321155] [2022-11-03 03:31:56,518 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 03:31:56,519 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-03 03:31:56,519 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50b79cf9-0d35-4b1b-8665-585c9a5a1b11/bin/utaipan-7li7fVZpFI/z3 [2022-11-03 03:31:56,520 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50b79cf9-0d35-4b1b-8665-585c9a5a1b11/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-03 03:31:56,523 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50b79cf9-0d35-4b1b-8665-585c9a5a1b11/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2022-11-03 03:31:57,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 03:31:57,439 INFO L263 TraceCheckSpWp]: Trace formula consists of 1997 conjuncts, 7 conjunts are in the unsatisfiable core [2022-11-03 03:31:57,445 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 03:31:57,632 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2022-11-03 03:31:57,632 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-03 03:31:57,633 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [503321155] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 03:31:57,633 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-03 03:31:57,633 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [9] total 14 [2022-11-03 03:31:57,634 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [722688855] [2022-11-03 03:31:57,634 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 03:31:57,635 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-11-03 03:31:57,635 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 03:31:57,635 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-11-03 03:31:57,636 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=153, Unknown=0, NotChecked=0, Total=182 [2022-11-03 03:31:57,636 INFO L87 Difference]: Start difference. First operand 10550 states and 14852 transitions. Second operand has 7 states, 7 states have (on average 9.857142857142858) internal successors, (69), 5 states have internal predecessors, (69), 3 states have call successors, (23), 3 states have call predecessors, (23), 3 states have return successors, (18), 3 states have call predecessors, (18), 2 states have call successors, (18) [2022-11-03 03:32:09,902 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.50s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 03:32:10,996 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.09s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 03:32:13,014 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 03:32:14,558 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.54s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 03:32:15,331 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 03:32:15,331 INFO L93 Difference]: Finished difference Result 22606 states and 31801 transitions. [2022-11-03 03:32:15,332 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-11-03 03:32:15,332 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 9.857142857142858) internal successors, (69), 5 states have internal predecessors, (69), 3 states have call successors, (23), 3 states have call predecessors, (23), 3 states have return successors, (18), 3 states have call predecessors, (18), 2 states have call successors, (18) Word has length 130 [2022-11-03 03:32:15,332 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 03:32:15,402 INFO L225 Difference]: With dead ends: 22606 [2022-11-03 03:32:15,403 INFO L226 Difference]: Without dead ends: 12925 [2022-11-03 03:32:15,434 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 146 GetRequests, 127 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=70, Invalid=350, Unknown=0, NotChecked=0, Total=420 [2022-11-03 03:32:15,435 INFO L413 NwaCegarLoop]: 1577 mSDtfsCounter, 1178 mSDsluCounter, 8101 mSDsCounter, 0 mSdLazyCounter, 984 mSolverCounterSat, 2 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 16.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1182 SdHoareTripleChecker+Valid, 8924 SdHoareTripleChecker+Invalid, 987 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 984 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 17.1s IncrementalHoareTripleChecker+Time [2022-11-03 03:32:15,435 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1182 Valid, 8924 Invalid, 987 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 984 Invalid, 1 Unknown, 0 Unchecked, 17.1s Time] [2022-11-03 03:32:15,451 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12925 states. [2022-11-03 03:32:16,061 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12925 to 10552. [2022-11-03 03:32:16,076 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10552 states, 6632 states have (on average 1.308956574185766) internal successors, (8681), 6821 states have internal predecessors, (8681), 3065 states have call successors, (3065), 841 states have call predecessors, (3065), 854 states have return successors, (3108), 3016 states have call predecessors, (3108), 3064 states have call successors, (3108) [2022-11-03 03:32:16,125 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10552 states to 10552 states and 14854 transitions. [2022-11-03 03:32:16,127 INFO L78 Accepts]: Start accepts. Automaton has 10552 states and 14854 transitions. Word has length 130 [2022-11-03 03:32:16,128 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 03:32:16,128 INFO L495 AbstractCegarLoop]: Abstraction has 10552 states and 14854 transitions. [2022-11-03 03:32:16,128 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 9.857142857142858) internal successors, (69), 5 states have internal predecessors, (69), 3 states have call successors, (23), 3 states have call predecessors, (23), 3 states have return successors, (18), 3 states have call predecessors, (18), 2 states have call successors, (18) [2022-11-03 03:32:16,128 INFO L276 IsEmpty]: Start isEmpty. Operand 10552 states and 14854 transitions. [2022-11-03 03:32:16,135 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2022-11-03 03:32:16,135 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 03:32:16,136 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 03:32:16,179 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50b79cf9-0d35-4b1b-8665-585c9a5a1b11/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2022-11-03 03:32:16,352 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50b79cf9-0d35-4b1b-8665-585c9a5a1b11/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-03 03:32:16,352 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 03:32:16,352 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 03:32:16,353 INFO L85 PathProgramCache]: Analyzing trace with hash 1471617354, now seen corresponding path program 1 times [2022-11-03 03:32:16,353 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 03:32:16,353 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1536880112] [2022-11-03 03:32:16,353 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 03:32:16,353 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 03:32:16,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 03:32:16,898 INFO L134 CoverageAnalysis]: Checked inductivity of 59 backedges. 16 proven. 7 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2022-11-03 03:32:16,899 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 03:32:16,899 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1536880112] [2022-11-03 03:32:16,899 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1536880112] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-03 03:32:16,899 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1543450610] [2022-11-03 03:32:16,899 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 03:32:16,899 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-03 03:32:16,899 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50b79cf9-0d35-4b1b-8665-585c9a5a1b11/bin/utaipan-7li7fVZpFI/z3 [2022-11-03 03:32:16,904 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50b79cf9-0d35-4b1b-8665-585c9a5a1b11/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-03 03:32:16,924 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50b79cf9-0d35-4b1b-8665-585c9a5a1b11/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2022-11-03 03:32:17,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 03:32:17,933 INFO L263 TraceCheckSpWp]: Trace formula consists of 2062 conjuncts, 12 conjunts are in the unsatisfiable core [2022-11-03 03:32:17,939 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 03:32:18,328 INFO L134 CoverageAnalysis]: Checked inductivity of 59 backedges. 12 proven. 7 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2022-11-03 03:32:18,329 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-03 03:32:18,973 INFO L134 CoverageAnalysis]: Checked inductivity of 59 backedges. 15 proven. 3 refuted. 0 times theorem prover too weak. 41 trivial. 0 not checked. [2022-11-03 03:32:18,973 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1543450610] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-03 03:32:18,973 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [24333475] [2022-11-03 03:32:19,002 INFO L159 IcfgInterpreter]: Started Sifa with 100 locations of interest [2022-11-03 03:32:19,002 INFO L166 IcfgInterpreter]: Building call graph [2022-11-03 03:32:19,006 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-03 03:32:19,012 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-03 03:32:19,012 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-03 03:32:20,129 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 9 treesize of output 11 [2022-11-03 03:32:20,207 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:32:20,212 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:32:20,218 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:32:20,224 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:32:20,292 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 6 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 616 treesize of output 490 [2022-11-03 03:32:20,504 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 646 treesize of output 518 [2022-11-03 03:32:20,674 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:32:20,676 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:32:20,679 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:32:20,702 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 26 [2022-11-03 03:32:20,895 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 634 treesize of output 510 [2022-11-03 03:32:21,093 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 26 treesize of output 19 [2022-11-03 03:32:21,277 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 9 treesize of output 11 [2022-11-03 03:32:21,351 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 9 treesize of output 11 [2022-11-03 03:32:21,413 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 9 treesize of output 11 [2022-11-03 03:32:21,497 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 9 treesize of output 11 [2022-11-03 03:32:21,560 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 9 treesize of output 11 [2022-11-03 03:32:21,680 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:32:21,793 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 11 select indices, 11 select index equivalence classes, 92 disjoint index pairs (out of 55 index pairs), introduced 11 new quantified variables, introduced 0 case distinctions, treesize of input 910 treesize of output 754 [2022-11-03 03:32:22,183 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 9 treesize of output 11 [2022-11-03 03:32:22,282 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:32:22,299 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:32:22,318 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:32:22,340 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:32:22,503 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 6 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 616 treesize of output 490 [2022-11-03 03:32:23,000 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 661 treesize of output 533 [2022-11-03 03:32:23,129 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:32:23,131 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:32:23,134 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:32:23,137 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:32:23,141 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:32:23,143 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:32:23,174 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 21 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 44 treesize of output 53 [2022-11-03 03:32:24,434 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 03:32:24,442 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 03:32:24,463 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 03:32:25,662 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 15 select indices, 15 select index equivalence classes, 105 disjoint index pairs (out of 105 index pairs), introduced 15 new quantified variables, introduced 0 case distinctions, treesize of input 976 treesize of output 742 [2022-11-03 03:32:25,816 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:32:25,819 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:32:25,823 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:32:25,826 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:32:25,829 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:32:25,832 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:32:25,836 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:32:25,839 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:32:25,842 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:32:25,845 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:32:25,848 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:32:25,851 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:32:25,854 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:32:25,857 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:32:25,860 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:32:25,862 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:32:25,865 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:32:25,867 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:32:25,870 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:32:25,872 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:32:25,875 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:32:25,878 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:32:25,880 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:32:25,883 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:32:25,886 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:32:25,889 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:32:25,891 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:32:25,894 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:32:25,897 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:32:25,900 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:32:25,902 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:32:25,905 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:32:25,907 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:32:25,910 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:32:25,912 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:32:25,915 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:32:25,918 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:32:25,920 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:32:25,923 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:32:25,925 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:32:25,928 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:32:25,930 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:32:25,932 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:32:25,935 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:32:25,937 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:32:25,939 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:32:25,942 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:32:25,944 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:32:25,946 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:32:25,949 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:32:25,951 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:32:25,953 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:32:25,956 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:32:25,958 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:32:25,961 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:32:25,963 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:32:25,969 INFO L244 Elim1Store]: Index analysis took 155 ms [2022-11-03 03:32:25,977 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 57 select indices, 57 select index equivalence classes, 1596 disjoint index pairs (out of 1596 index pairs), introduced 57 new quantified variables, introduced 0 case distinctions, treesize of input 398 treesize of output 172 [2022-11-03 03:32:26,093 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 21 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 50 treesize of output 22 [2022-11-03 03:32:28,377 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 15 select indices, 15 select index equivalence classes, 105 disjoint index pairs (out of 105 index pairs), introduced 15 new quantified variables, introduced 0 case distinctions, treesize of input 976 treesize of output 742 [2022-11-03 03:32:28,488 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:32:28,491 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:32:28,494 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:32:28,496 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:32:28,500 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:32:28,503 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:32:28,507 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:32:28,510 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:32:28,513 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:32:28,517 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:32:28,520 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:32:28,524 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:32:28,527 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:32:28,530 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:32:28,533 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:32:28,536 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:32:28,538 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:32:28,541 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:32:28,544 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:32:28,547 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:32:28,550 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:32:28,552 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:32:28,555 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:32:28,558 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:32:28,561 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:32:28,564 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:32:28,567 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:32:28,570 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:32:28,572 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:32:28,575 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:32:28,578 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:32:28,581 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:32:28,584 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:32:28,587 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:32:28,590 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:32:28,593 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:32:28,595 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:32:28,598 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:32:28,601 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:32:28,604 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:32:28,606 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:32:28,609 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:32:28,612 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:32:28,615 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:32:28,618 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:32:28,620 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:32:28,623 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:32:28,626 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:32:28,628 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:32:28,631 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:32:28,633 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:32:28,636 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:32:28,639 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:32:28,641 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:32:28,644 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:32:28,647 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:32:28,657 INFO L244 Elim1Store]: Index analysis took 170 ms [2022-11-03 03:32:28,679 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 57 select indices, 57 select index equivalence classes, 1596 disjoint index pairs (out of 1596 index pairs), introduced 57 new quantified variables, introduced 0 case distinctions, treesize of input 398 treesize of output 172 [2022-11-03 03:32:28,825 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 21 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 50 treesize of output 22 [2022-11-03 03:32:36,414 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 03:32:36,495 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 03:32:36,681 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 03:32:36,922 WARN L234 Elim1Store]: Array PQE input equivalent to false [2022-11-03 03:32:36,928 WARN L234 Elim1Store]: Array PQE input equivalent to false [2022-11-03 03:32:36,946 WARN L234 Elim1Store]: Array PQE input equivalent to false [2022-11-03 03:32:42,150 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 03:32:42,289 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 03:32:42,489 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 03:32:42,662 WARN L234 Elim1Store]: Array PQE input equivalent to false [2022-11-03 03:32:42,675 WARN L234 Elim1Store]: Array PQE input equivalent to false [2022-11-03 03:32:42,695 WARN L234 Elim1Store]: Array PQE input equivalent to false [2022-11-03 03:32:50,753 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 03:32:50,817 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 03:32:50,892 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 03:32:51,252 WARN L234 Elim1Store]: Array PQE input equivalent to false [2022-11-03 03:32:51,256 WARN L234 Elim1Store]: Array PQE input equivalent to false [2022-11-03 03:32:51,263 WARN L234 Elim1Store]: Array PQE input equivalent to false [2022-11-03 03:32:57,527 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 03:32:57,621 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 03:32:57,778 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 03:32:58,065 WARN L234 Elim1Store]: Array PQE input equivalent to false [2022-11-03 03:32:58,073 WARN L234 Elim1Store]: Array PQE input equivalent to false [2022-11-03 03:32:58,090 WARN L234 Elim1Store]: Array PQE input equivalent to false [2022-11-03 03:33:19,981 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:33:19,983 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:33:19,985 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:33:19,988 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:33:19,990 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:33:19,992 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:33:19,997 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 4221 treesize of output 3813 [2022-11-03 03:33:20,192 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:33:20,194 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:33:20,196 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:33:20,198 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:33:20,200 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:33:20,202 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:33:20,205 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 3813 treesize of output 3405 [2022-11-03 03:33:20,413 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 34 select indices, 34 select index equivalence classes, 561 disjoint index pairs (out of 561 index pairs), introduced 34 new quantified variables, introduced 0 case distinctions, treesize of input 3405 treesize of output 3137 [2022-11-03 03:33:20,586 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 34 select indices, 34 select index equivalence classes, 561 disjoint index pairs (out of 561 index pairs), introduced 34 new quantified variables, introduced 0 case distinctions, treesize of input 3137 treesize of output 2869 [2022-11-03 03:33:20,770 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 66 select indices, 66 select index equivalence classes, 2145 disjoint index pairs (out of 2145 index pairs), introduced 66 new quantified variables, introduced 0 case distinctions, treesize of input 2869 treesize of output 2345 [2022-11-03 03:33:21,036 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 66 select indices, 66 select index equivalence classes, 2145 disjoint index pairs (out of 2145 index pairs), introduced 66 new quantified variables, introduced 0 case distinctions, treesize of input 2345 treesize of output 1821 [2022-11-03 03:33:21,217 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 1821 treesize of output 1817 [2022-11-03 03:33:21,471 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 1817 treesize of output 1813 [2022-11-03 03:33:21,690 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 1813 treesize of output 1809 [2022-11-03 03:33:32,749 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:33:32,751 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:33:32,753 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:33:32,754 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:33:32,756 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:33:32,757 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:33:32,761 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 4221 treesize of output 3813 [2022-11-03 03:33:32,885 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:33:32,886 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:33:32,888 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:33:32,889 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:33:32,891 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:33:32,893 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:33:32,895 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 3813 treesize of output 3405 [2022-11-03 03:33:33,062 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 34 select indices, 34 select index equivalence classes, 561 disjoint index pairs (out of 561 index pairs), introduced 34 new quantified variables, introduced 0 case distinctions, treesize of input 3405 treesize of output 3137 [2022-11-03 03:33:33,219 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 34 select indices, 34 select index equivalence classes, 561 disjoint index pairs (out of 561 index pairs), introduced 34 new quantified variables, introduced 0 case distinctions, treesize of input 3137 treesize of output 2869 [2022-11-03 03:33:33,383 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 66 select indices, 66 select index equivalence classes, 2145 disjoint index pairs (out of 2145 index pairs), introduced 66 new quantified variables, introduced 0 case distinctions, treesize of input 2869 treesize of output 2345 [2022-11-03 03:33:33,551 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 66 select indices, 66 select index equivalence classes, 2145 disjoint index pairs (out of 2145 index pairs), introduced 66 new quantified variables, introduced 0 case distinctions, treesize of input 2345 treesize of output 1821 [2022-11-03 03:33:33,712 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 1821 treesize of output 1817 [2022-11-03 03:33:33,898 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 1817 treesize of output 1813 [2022-11-03 03:33:34,092 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 1813 treesize of output 1809 [2022-11-03 03:33:59,348 INFO L197 IcfgInterpreter]: Interpreting procedure ldv_irq_1 with input of size 112 for LOIs [2022-11-03 03:33:59,408 INFO L197 IcfgInterpreter]: Interpreting procedure ldv_init_zalloc with input of size 107 for LOIs [2022-11-03 03:33:59,436 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 03:33:59,454 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 03:33:59,788 INFO L197 IcfgInterpreter]: Interpreting procedure #Ultimate.meminit with input of size 126 for LOIs [2022-11-03 03:33:59,798 INFO L197 IcfgInterpreter]: Interpreting procedure assume_abort_if_not with input of size 128 for LOIs [2022-11-03 03:33:59,842 INFO L180 IcfgInterpreter]: Interpretation finished [2022-11-03 03:34:16,236 WARN L234 SmtUtils]: Spent 15.13s on a formula simplification that was a NOOP. DAG size: 1421 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-03 03:34:40,528 WARN L234 SmtUtils]: Spent 17.53s on a formula simplification. DAG size of input: 876 DAG size of output: 814 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-03 03:35:00,307 WARN L234 SmtUtils]: Spent 17.77s on a formula simplification. DAG size of input: 880 DAG size of output: 817 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-03 03:35:20,372 WARN L234 SmtUtils]: Spent 17.93s on a formula simplification. DAG size of input: 897 DAG size of output: 821 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-03 03:35:38,609 WARN L234 SmtUtils]: Spent 15.99s on a formula simplification. DAG size of input: 901 DAG size of output: 799 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-03 03:36:00,535 WARN L234 SmtUtils]: Spent 19.48s on a formula simplification. DAG size of input: 917 DAG size of output: 849 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-03 03:36:16,660 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSifa [24333475] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 03:36:16,661 INFO L184 FreeRefinementEngine]: Found 1 perfect and 3 imperfect interpolant sequences. [2022-11-03 03:36:16,661 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [30] imperfect sequences [8, 10, 10] total 47 [2022-11-03 03:36:16,661 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [760229603] [2022-11-03 03:36:16,661 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 03:36:16,662 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 31 states [2022-11-03 03:36:16,662 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 03:36:16,663 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 31 interpolants. [2022-11-03 03:36:16,663 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=253, Invalid=1909, Unknown=0, NotChecked=0, Total=2162 [2022-11-03 03:36:16,664 INFO L87 Difference]: Start difference. First operand 10552 states and 14854 transitions. Second operand has 31 states, 21 states have (on average 3.0952380952380953) internal successors, (65), 19 states have internal predecessors, (65), 8 states have call successors, (23), 5 states have call predecessors, (23), 5 states have return successors, (19), 8 states have call predecessors, (19), 8 states have call successors, (19) [2022-11-03 03:36:49,908 WARN L234 SmtUtils]: Spent 30.17s on a formula simplification. DAG size of input: 1425 DAG size of output: 1424 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-03 03:37:21,913 WARN L234 SmtUtils]: Spent 30.91s on a formula simplification. DAG size of input: 1437 DAG size of output: 1434 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-03 03:37:53,624 WARN L234 SmtUtils]: Spent 30.91s on a formula simplification. DAG size of input: 1441 DAG size of output: 1438 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-03 03:38:40,632 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.10s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 03:38:42,076 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.44s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 03:38:43,977 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.22s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 03:38:45,252 WARN L539 Checker$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 03:38:46,733 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.48s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 03:39:01,681 WARN L539 Checker$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 03:39:03,709 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 03:39:05,755 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 03:39:07,806 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 03:39:09,845 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 03:39:11,891 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 03:39:13,927 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 03:39:15,960 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 03:39:25,582 WARN L539 Checker$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 03:39:30,182 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.12s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 03:39:34,356 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.51s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 03:39:36,599 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.15s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 03:39:38,631 WARN L539 Checker$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 03:39:40,678 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 03:39:41,866 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.19s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 03:39:43,897 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 03:39:45,941 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 03:39:47,056 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.11s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 03:39:48,791 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.74s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 03:39:50,544 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.31s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 03:39:52,314 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.15s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 03:39:55,858 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 03:39:57,888 WARN L539 Checker$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 03:39:59,933 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 03:40:01,974 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 03:40:04,018 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 03:40:06,046 WARN L539 Checker$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 03:40:08,067 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 03:40:10,101 WARN L539 Checker$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 03:40:13,187 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 03:40:14,495 WARN L539 Checker$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 03:40:17,307 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.32s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 03:40:19,619 WARN L539 Checker$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 03:40:23,376 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 03:40:24,750 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 03:40:24,750 INFO L93 Difference]: Finished difference Result 21218 states and 29865 transitions. [2022-11-03 03:40:24,750 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2022-11-03 03:40:24,751 INFO L78 Accepts]: Start accepts. Automaton has has 31 states, 21 states have (on average 3.0952380952380953) internal successors, (65), 19 states have internal predecessors, (65), 8 states have call successors, (23), 5 states have call predecessors, (23), 5 states have return successors, (19), 8 states have call predecessors, (19), 8 states have call successors, (19) Word has length 142 [2022-11-03 03:40:24,751 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 03:40:24,795 INFO L225 Difference]: With dead ends: 21218 [2022-11-03 03:40:24,795 INFO L226 Difference]: Without dead ends: 10667 [2022-11-03 03:40:24,829 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 443 GetRequests, 378 SyntacticMatches, 10 SemanticMatches, 55 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 567 ImplicationChecksByTransitivity, 239.0s TimeCoverageRelationStatistics Valid=374, Invalid=2818, Unknown=0, NotChecked=0, Total=3192 [2022-11-03 03:40:24,830 INFO L413 NwaCegarLoop]: 1058 mSDtfsCounter, 103 mSDsluCounter, 12834 mSDsCounter, 0 mSdLazyCounter, 4780 mSolverCounterSat, 51 mSolverCounterUnsat, 21 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 141.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 104 SdHoareTripleChecker+Valid, 13071 SdHoareTripleChecker+Invalid, 5196 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 51 IncrementalHoareTripleChecker+Valid, 4780 IncrementalHoareTripleChecker+Invalid, 21 IncrementalHoareTripleChecker+Unknown, 344 IncrementalHoareTripleChecker+Unchecked, 145.7s IncrementalHoareTripleChecker+Time [2022-11-03 03:40:24,831 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [104 Valid, 13071 Invalid, 5196 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [51 Valid, 4780 Invalid, 21 Unknown, 344 Unchecked, 145.7s Time] [2022-11-03 03:40:24,842 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10667 states. [2022-11-03 03:40:25,346 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10667 to 10625. [2022-11-03 03:40:25,362 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10625 states, 6696 states have (on average 1.3086917562724014) internal successors, (8763), 6885 states have internal predecessors, (8763), 3069 states have call successors, (3069), 846 states have call predecessors, (3069), 859 states have return successors, (3112), 3020 states have call predecessors, (3112), 3068 states have call successors, (3112) [2022-11-03 03:40:25,408 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10625 states to 10625 states and 14944 transitions. [2022-11-03 03:40:25,414 INFO L78 Accepts]: Start accepts. Automaton has 10625 states and 14944 transitions. Word has length 142 [2022-11-03 03:40:25,414 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 03:40:25,414 INFO L495 AbstractCegarLoop]: Abstraction has 10625 states and 14944 transitions. [2022-11-03 03:40:25,414 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 31 states, 21 states have (on average 3.0952380952380953) internal successors, (65), 19 states have internal predecessors, (65), 8 states have call successors, (23), 5 states have call predecessors, (23), 5 states have return successors, (19), 8 states have call predecessors, (19), 8 states have call successors, (19) [2022-11-03 03:40:25,415 INFO L276 IsEmpty]: Start isEmpty. Operand 10625 states and 14944 transitions. [2022-11-03 03:40:25,420 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2022-11-03 03:40:25,421 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 03:40:25,421 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 03:40:25,466 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50b79cf9-0d35-4b1b-8665-585c9a5a1b11/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2022-11-03 03:40:25,636 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11,8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50b79cf9-0d35-4b1b-8665-585c9a5a1b11/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-03 03:40:25,636 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 03:40:25,636 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 03:40:25,637 INFO L85 PathProgramCache]: Analyzing trace with hash -1856983308, now seen corresponding path program 1 times [2022-11-03 03:40:25,637 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 03:40:25,637 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [73276686] [2022-11-03 03:40:25,637 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 03:40:25,637 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 03:40:25,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 03:40:26,334 INFO L134 CoverageAnalysis]: Checked inductivity of 59 backedges. 16 proven. 7 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2022-11-03 03:40:26,334 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 03:40:26,334 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [73276686] [2022-11-03 03:40:26,334 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [73276686] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-03 03:40:26,334 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [83243132] [2022-11-03 03:40:26,334 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 03:40:26,335 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-03 03:40:26,335 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50b79cf9-0d35-4b1b-8665-585c9a5a1b11/bin/utaipan-7li7fVZpFI/z3 [2022-11-03 03:40:26,336 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50b79cf9-0d35-4b1b-8665-585c9a5a1b11/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-03 03:40:26,360 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50b79cf9-0d35-4b1b-8665-585c9a5a1b11/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2022-11-03 03:40:27,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 03:40:27,325 INFO L263 TraceCheckSpWp]: Trace formula consists of 2064 conjuncts, 12 conjunts are in the unsatisfiable core [2022-11-03 03:40:27,329 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 03:40:27,614 INFO L134 CoverageAnalysis]: Checked inductivity of 59 backedges. 12 proven. 7 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2022-11-03 03:40:27,614 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-03 03:40:28,136 INFO L134 CoverageAnalysis]: Checked inductivity of 59 backedges. 15 proven. 3 refuted. 0 times theorem prover too weak. 41 trivial. 0 not checked. [2022-11-03 03:40:28,136 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [83243132] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-03 03:40:28,136 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [735610398] [2022-11-03 03:40:28,140 INFO L159 IcfgInterpreter]: Started Sifa with 101 locations of interest [2022-11-03 03:40:28,140 INFO L166 IcfgInterpreter]: Building call graph [2022-11-03 03:40:28,141 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-03 03:40:28,141 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-03 03:40:28,141 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-03 03:40:29,058 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 9 treesize of output 11 [2022-11-03 03:40:29,125 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:40:29,132 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:40:29,139 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:40:29,145 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:40:29,212 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 6 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 616 treesize of output 490 [2022-11-03 03:40:29,516 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 661 treesize of output 533 [2022-11-03 03:40:29,702 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:40:29,703 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:40:29,705 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:40:29,706 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:40:29,708 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:40:29,709 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:40:29,736 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 21 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 44 treesize of output 53 [2022-11-03 03:40:29,797 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 9 treesize of output 11 [2022-11-03 03:40:29,860 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 9 treesize of output 11 [2022-11-03 03:40:29,902 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 9 treesize of output 11 [2022-11-03 03:40:29,957 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 9 treesize of output 11 [2022-11-03 03:40:30,055 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:40:30,171 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 11 select indices, 11 select index equivalence classes, 92 disjoint index pairs (out of 55 index pairs), introduced 11 new quantified variables, introduced 0 case distinctions, treesize of input 910 treesize of output 754 [2022-11-03 03:40:30,636 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 9 treesize of output 11 [2022-11-03 03:40:30,719 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 9 treesize of output 11 [2022-11-03 03:40:30,881 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:40:30,897 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:40:30,912 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:40:30,924 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:40:31,070 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 6 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 616 treesize of output 490 [2022-11-03 03:40:31,335 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 646 treesize of output 518 [2022-11-03 03:40:31,508 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:40:31,513 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:40:31,518 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:40:31,551 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 26 [2022-11-03 03:40:31,750 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 634 treesize of output 510 [2022-11-03 03:40:31,949 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 26 treesize of output 19 [2022-11-03 03:40:32,926 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 03:40:32,930 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 03:40:32,947 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 03:40:34,089 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 15 select indices, 15 select index equivalence classes, 105 disjoint index pairs (out of 105 index pairs), introduced 15 new quantified variables, introduced 0 case distinctions, treesize of input 976 treesize of output 742 [2022-11-03 03:40:34,181 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 21 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 50 treesize of output 22 [2022-11-03 03:40:34,285 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:40:34,287 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:40:34,289 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:40:34,292 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:40:34,294 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:40:34,296 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:40:34,299 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:40:34,301 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:40:34,303 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:40:34,306 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:40:34,308 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:40:34,310 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:40:34,312 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:40:34,314 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:40:34,316 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:40:34,318 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:40:34,320 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:40:34,322 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:40:34,324 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:40:34,326 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:40:34,328 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:40:34,330 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:40:34,332 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:40:34,334 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:40:34,337 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:40:34,339 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:40:34,341 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:40:34,343 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:40:34,345 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:40:34,347 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:40:34,349 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:40:34,351 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:40:34,353 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:40:34,356 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:40:34,357 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:40:34,360 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:40:34,362 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:40:34,364 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:40:34,366 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:40:34,368 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:40:34,370 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:40:34,372 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:40:34,374 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:40:34,376 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:40:34,378 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:40:34,380 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:40:34,382 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:40:34,384 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:40:34,387 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:40:34,389 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:40:34,391 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:40:34,393 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:40:34,396 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:40:34,399 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:40:34,401 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:40:34,404 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:40:34,412 INFO L244 Elim1Store]: Index analysis took 129 ms [2022-11-03 03:40:34,417 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 57 select indices, 57 select index equivalence classes, 1596 disjoint index pairs (out of 1596 index pairs), introduced 57 new quantified variables, introduced 0 case distinctions, treesize of input 398 treesize of output 172 [2022-11-03 03:40:36,203 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 15 select indices, 15 select index equivalence classes, 105 disjoint index pairs (out of 105 index pairs), introduced 15 new quantified variables, introduced 0 case distinctions, treesize of input 976 treesize of output 742 [2022-11-03 03:40:36,315 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:40:36,317 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:40:36,320 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:40:36,322 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:40:36,325 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:40:36,327 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:40:36,329 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:40:36,332 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:40:36,334 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:40:36,336 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:40:36,339 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:40:36,341 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:40:36,343 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:40:36,345 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:40:36,347 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:40:36,349 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:40:36,351 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:40:36,353 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:40:36,355 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:40:36,357 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:40:36,359 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:40:36,361 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:40:36,363 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:40:36,365 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:40:36,367 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:40:36,369 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:40:36,371 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:40:36,373 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:40:36,375 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:40:36,377 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:40:36,379 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:40:36,381 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:40:36,383 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:40:36,385 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:40:36,388 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:40:36,390 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:40:36,392 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:40:36,394 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:40:36,396 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:40:36,399 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:40:36,401 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:40:36,403 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:40:36,405 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:40:36,407 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:40:36,409 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:40:36,411 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:40:36,413 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:40:36,415 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:40:36,417 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:40:36,419 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:40:36,421 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:40:36,423 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:40:36,425 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:40:36,427 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:40:36,429 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:40:36,431 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:40:36,439 INFO L244 Elim1Store]: Index analysis took 126 ms [2022-11-03 03:40:36,444 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 57 select indices, 57 select index equivalence classes, 1596 disjoint index pairs (out of 1596 index pairs), introduced 57 new quantified variables, introduced 0 case distinctions, treesize of input 398 treesize of output 172 [2022-11-03 03:40:36,546 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 21 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 50 treesize of output 22 [2022-11-03 03:40:43,817 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 03:40:43,934 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 03:40:44,062 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 03:40:44,306 WARN L234 Elim1Store]: Array PQE input equivalent to false [2022-11-03 03:40:44,317 WARN L234 Elim1Store]: Array PQE input equivalent to false [2022-11-03 03:40:44,329 WARN L234 Elim1Store]: Array PQE input equivalent to false [2022-11-03 03:40:49,534 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 03:40:49,643 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 03:40:49,696 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 03:40:50,021 WARN L234 Elim1Store]: Array PQE input equivalent to false [2022-11-03 03:40:50,033 WARN L234 Elim1Store]: Array PQE input equivalent to false [2022-11-03 03:40:50,037 WARN L234 Elim1Store]: Array PQE input equivalent to false [2022-11-03 03:40:51,789 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 03:40:51,844 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 03:40:51,913 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 03:40:53,015 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 03:40:53,072 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 03:40:53,146 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 03:40:55,868 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 03:40:55,939 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 909 treesize of output 705 [2022-11-03 03:40:55,980 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:40:55,982 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:40:55,984 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:40:55,985 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:40:55,987 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:40:55,989 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:40:55,990 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:40:55,992 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:40:55,993 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:40:55,995 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:40:55,997 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:40:55,998 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:40:56,000 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:40:56,002 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:40:56,003 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:40:56,005 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:40:56,006 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:40:56,008 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:40:56,009 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:40:56,011 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:40:56,012 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:40:56,014 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:40:56,015 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:40:56,017 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:40:56,018 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:40:56,020 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:40:56,021 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:40:56,023 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:40:56,024 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:40:56,026 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:40:56,027 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:40:56,029 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:40:56,030 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:40:56,035 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 34 select indices, 34 select index equivalence classes, 561 disjoint index pairs (out of 561 index pairs), introduced 34 new quantified variables, introduced 0 case distinctions, treesize of input 237 treesize of output 103 [2022-11-03 03:40:56,086 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:40:56,088 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:40:56,090 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:40:56,092 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:40:56,100 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:40:56,102 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:40:56,104 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:40:56,106 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:40:56,107 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:40:56,108 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:40:56,110 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:40:56,113 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:40:56,115 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:40:56,117 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:40:56,119 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:40:56,121 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:40:56,123 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:40:56,125 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:40:56,127 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:40:56,129 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:40:56,131 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:40:56,133 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:40:56,135 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:40:56,137 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:40:56,139 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:40:56,141 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:40:56,143 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:40:56,145 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:40:56,147 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:40:56,149 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:40:56,151 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:40:56,153 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:40:56,155 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:40:56,157 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:40:56,159 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:40:56,161 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:40:56,163 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:40:56,165 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:40:56,167 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:40:56,169 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:40:56,171 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:40:56,173 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:40:56,175 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:40:56,177 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:40:56,179 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:40:56,181 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:40:56,183 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:40:56,185 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:40:56,187 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:40:56,189 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:40:56,191 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:40:56,192 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:40:56,194 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:40:56,195 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:40:56,197 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:40:56,198 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:40:56,200 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:40:56,201 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:40:56,203 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:40:56,205 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:40:56,206 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:40:56,208 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:40:56,209 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:40:56,211 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:40:56,212 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:40:56,224 INFO L244 Elim1Store]: Index analysis took 139 ms [2022-11-03 03:40:56,228 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 66 select indices, 66 select index equivalence classes, 2145 disjoint index pairs (out of 2145 index pairs), introduced 66 new quantified variables, introduced 0 case distinctions, treesize of input 461 treesize of output 199 [2022-11-03 03:40:56,281 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 03:40:56,327 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 909 treesize of output 705 [2022-11-03 03:40:56,379 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:40:56,381 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:40:56,382 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:40:56,384 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:40:56,386 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:40:56,387 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:40:56,389 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:40:56,390 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:40:56,392 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:40:56,394 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:40:56,396 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:40:56,397 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:40:56,406 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:40:56,407 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:40:56,409 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:40:56,410 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:40:56,412 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:40:56,414 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:40:56,415 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:40:56,417 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:40:56,418 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:40:56,420 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:40:56,421 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:40:56,422 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:40:56,424 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:40:56,425 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:40:56,427 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:40:56,428 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:40:56,430 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:40:56,432 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:40:56,433 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:40:56,435 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:40:56,436 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:40:56,441 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 34 select indices, 34 select index equivalence classes, 561 disjoint index pairs (out of 561 index pairs), introduced 34 new quantified variables, introduced 0 case distinctions, treesize of input 237 treesize of output 103 [2022-11-03 03:40:56,494 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:40:56,496 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:40:56,498 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:40:56,499 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:40:56,501 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:40:56,503 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:40:56,505 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:40:56,507 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:40:56,508 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:40:56,510 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:40:56,512 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:40:56,514 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:40:56,516 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:40:56,518 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:40:56,520 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:40:56,522 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:40:56,524 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:40:56,526 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:40:56,528 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:40:56,530 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:40:56,532 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:40:56,534 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:40:56,537 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:40:56,539 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:40:56,541 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:40:56,543 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:40:56,545 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:40:56,547 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:40:56,549 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:40:56,551 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:40:56,553 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:40:56,555 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:40:56,557 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:40:56,559 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:40:56,561 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:40:56,563 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:40:56,565 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:40:56,567 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:40:56,569 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:40:56,571 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:40:56,573 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:40:56,575 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:40:56,578 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:40:56,580 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:40:56,582 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:40:56,584 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:40:56,586 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:40:56,588 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:40:56,590 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:40:56,592 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:40:56,594 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:40:56,596 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:40:56,598 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:40:56,600 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:40:56,602 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:40:56,604 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:40:56,606 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:40:56,608 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:40:56,610 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:40:56,612 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:40:56,614 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:40:56,617 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:40:56,619 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:40:56,621 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:40:56,623 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:40:56,632 INFO L244 Elim1Store]: Index analysis took 139 ms [2022-11-03 03:40:56,638 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 66 select indices, 66 select index equivalence classes, 2145 disjoint index pairs (out of 2145 index pairs), introduced 66 new quantified variables, introduced 0 case distinctions, treesize of input 461 treesize of output 199 [2022-11-03 03:40:56,697 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 03:40:57,624 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 909 treesize of output 705 [2022-11-03 03:40:57,669 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:40:57,671 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:40:57,673 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:40:57,676 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:40:57,678 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:40:57,680 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:40:57,682 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:40:57,683 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:40:57,685 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:40:57,687 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:40:57,689 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:40:57,691 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:40:57,693 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:40:57,695 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:40:57,697 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:40:57,698 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:40:57,700 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:40:57,702 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:40:57,704 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:40:57,705 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:40:57,707 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:40:57,709 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:40:57,711 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:40:57,713 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:40:57,714 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:40:57,716 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:40:57,718 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:40:57,719 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:40:57,721 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:40:57,723 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:40:57,725 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:40:57,727 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:40:57,729 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:40:57,734 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 34 select indices, 34 select index equivalence classes, 561 disjoint index pairs (out of 561 index pairs), introduced 34 new quantified variables, introduced 0 case distinctions, treesize of input 237 treesize of output 103 [2022-11-03 03:40:57,799 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:40:57,802 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:40:57,804 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:40:57,806 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:40:57,808 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:40:57,811 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:40:57,813 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:40:57,815 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:40:57,817 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:40:57,819 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:40:57,821 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:40:57,823 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:40:57,825 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:40:57,827 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:40:57,829 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:40:57,831 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:40:57,834 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:40:57,836 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:40:57,838 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:40:57,840 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:40:57,842 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:40:57,844 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:40:57,846 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:40:57,848 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:40:57,850 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:40:57,851 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:40:57,853 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:40:57,855 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:40:57,856 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:40:57,858 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:40:57,859 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:40:57,861 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:40:57,863 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:40:57,864 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:40:57,866 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:40:57,867 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:40:57,869 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:40:57,870 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:40:57,872 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:40:57,874 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:40:57,875 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:40:57,877 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:40:57,879 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:40:57,880 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:40:57,882 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:40:57,884 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:40:57,885 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:40:57,887 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:40:57,889 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:40:57,890 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:40:57,892 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:40:57,894 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:40:57,895 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:40:57,897 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:40:57,898 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:40:57,900 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:40:57,901 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:40:57,903 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:40:57,905 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:40:57,906 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:40:57,908 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:40:57,910 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:40:57,911 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:40:57,913 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:40:57,914 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:40:57,925 INFO L244 Elim1Store]: Index analysis took 127 ms [2022-11-03 03:40:57,934 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 66 select indices, 66 select index equivalence classes, 2145 disjoint index pairs (out of 2145 index pairs), introduced 66 new quantified variables, introduced 0 case distinctions, treesize of input 461 treesize of output 199 [2022-11-03 03:40:57,989 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 03:40:58,030 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 909 treesize of output 705 [2022-11-03 03:40:58,068 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:40:58,070 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:40:58,071 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:40:58,073 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:40:58,075 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:40:58,076 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:40:58,078 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:40:58,080 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:40:58,081 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:40:58,083 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:40:58,095 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:40:58,097 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:40:58,099 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:40:58,100 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:40:58,102 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:40:58,104 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:40:58,105 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:40:58,107 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:40:58,108 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:40:58,110 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:40:58,111 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:40:58,113 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:40:58,114 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:40:58,116 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:40:58,117 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:40:58,119 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:40:58,120 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:40:58,122 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:40:58,124 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:40:58,125 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:40:58,127 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:40:58,128 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:40:58,130 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:40:58,134 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 34 select indices, 34 select index equivalence classes, 561 disjoint index pairs (out of 561 index pairs), introduced 34 new quantified variables, introduced 0 case distinctions, treesize of input 237 treesize of output 103 [2022-11-03 03:40:58,183 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:40:58,185 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:40:58,187 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:40:58,189 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:40:58,191 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:40:58,192 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:40:58,194 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:40:58,196 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:40:58,198 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:40:58,199 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:40:58,201 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:40:58,202 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:40:58,203 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:40:58,205 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:40:58,206 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:40:58,208 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:40:58,209 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:40:58,211 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:40:58,212 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:40:58,214 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:40:58,215 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:40:58,217 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:40:58,218 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:40:58,220 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:40:58,221 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:40:58,223 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:40:58,224 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:40:58,226 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:40:58,227 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:40:58,229 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:40:58,230 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:40:58,232 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:40:58,233 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:40:58,235 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:40:58,237 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:40:58,238 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:40:58,240 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:40:58,241 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:40:58,243 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:40:58,245 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:40:58,246 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:40:58,248 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:40:58,250 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:40:58,251 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:40:58,253 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:40:58,254 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:40:58,256 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:40:58,258 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:40:58,259 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:40:58,261 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:40:58,262 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:40:58,264 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:40:58,266 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:40:58,267 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:40:58,269 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:40:58,270 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:40:58,272 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:40:58,274 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:40:58,275 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:40:58,277 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:40:58,278 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:40:58,280 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:40:58,282 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:40:58,283 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:40:58,285 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:40:58,294 INFO L244 Elim1Store]: Index analysis took 112 ms [2022-11-03 03:40:58,299 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 66 select indices, 66 select index equivalence classes, 2145 disjoint index pairs (out of 2145 index pairs), introduced 66 new quantified variables, introduced 0 case distinctions, treesize of input 461 treesize of output 199 [2022-11-03 03:40:58,352 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 03:40:58,394 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 03:41:16,226 INFO L197 IcfgInterpreter]: Interpreting procedure ldv_irq_1 with input of size 202 for LOIs [2022-11-03 03:41:16,525 INFO L197 IcfgInterpreter]: Interpreting procedure ldv_init_zalloc with input of size 107 for LOIs [2022-11-03 03:41:16,552 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 03:41:16,570 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 03:41:16,890 INFO L197 IcfgInterpreter]: Interpreting procedure #Ultimate.meminit with input of size 126 for LOIs [2022-11-03 03:41:16,899 INFO L197 IcfgInterpreter]: Interpreting procedure assume_abort_if_not with input of size 128 for LOIs [2022-11-03 03:41:16,929 INFO L180 IcfgInterpreter]: Interpretation finished [2022-11-03 03:41:34,250 WARN L234 SmtUtils]: Spent 16.28s on a formula simplification that was a NOOP. DAG size: 1421 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-03 03:42:00,147 WARN L234 SmtUtils]: Spent 18.32s on a formula simplification. DAG size of input: 876 DAG size of output: 814 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-03 03:42:19,984 WARN L234 SmtUtils]: Spent 17.87s on a formula simplification. DAG size of input: 880 DAG size of output: 817 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-03 03:42:30,639 WARN L234 SmtUtils]: Spent 10.05s on a formula simplification. DAG size of input: 791 DAG size of output: 785 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-03 03:42:41,208 WARN L234 SmtUtils]: Spent 9.99s on a formula simplification. DAG size of input: 794 DAG size of output: 788 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-03 03:42:52,567 WARN L234 SmtUtils]: Spent 10.73s on a formula simplification. DAG size of input: 809 DAG size of output: 799 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate)