./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--ethernet--icplus--ipg.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_c0ddf810-cf18-4355-abe0-ae2f8d78d897/bin/utaipan-7li7fVZpFI/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0ddf810-cf18-4355-abe0-ae2f8d78d897/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_c0ddf810-cf18-4355-abe0-ae2f8d78d897/bin/utaipan-7li7fVZpFI/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0ddf810-cf18-4355-abe0-ae2f8d78d897/bin/utaipan-7li7fVZpFI/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--ethernet--icplus--ipg.ko-entry_point.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0ddf810-cf18-4355-abe0-ae2f8d78d897/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_c0ddf810-cf18-4355-abe0-ae2f8d78d897/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 796dd9af134a9ffa7d65525922d125c3e75a459db15e4643a4f13ca47d95e4ce --- 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 03:44:40,297 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-03 03:44:40,299 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-03 03:44:40,348 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-03 03:44:40,349 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-03 03:44:40,350 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-03 03:44:40,351 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-03 03:44:40,354 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-03 03:44:40,363 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-03 03:44:40,369 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-03 03:44:40,370 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-03 03:44:40,371 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-03 03:44:40,371 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-03 03:44:40,372 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-03 03:44:40,373 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-03 03:44:40,374 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-03 03:44:40,375 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-03 03:44:40,376 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-03 03:44:40,378 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-03 03:44:40,391 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-03 03:44:40,396 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-03 03:44:40,399 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-03 03:44:40,402 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-03 03:44:40,405 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-03 03:44:40,412 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-03 03:44:40,415 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-03 03:44:40,416 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-03 03:44:40,417 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-03 03:44:40,418 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-03 03:44:40,420 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-03 03:44:40,420 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-03 03:44:40,421 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-03 03:44:40,423 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-03 03:44:40,425 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-03 03:44:40,427 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-03 03:44:40,427 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-03 03:44:40,428 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-03 03:44:40,429 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-03 03:44:40,429 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-03 03:44:40,430 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-03 03:44:40,431 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-03 03:44:40,432 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0ddf810-cf18-4355-abe0-ae2f8d78d897/bin/utaipan-7li7fVZpFI/config/svcomp-Reach-64bit-Taipan_Default.epf [2022-11-03 03:44:40,480 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-03 03:44:40,480 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-03 03:44:40,481 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-03 03:44:40,481 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-03 03:44:40,482 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-03 03:44:40,482 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-03 03:44:40,482 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-03 03:44:40,483 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-03 03:44:40,483 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-03 03:44:40,483 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-03 03:44:40,484 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-03 03:44:40,485 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-03 03:44:40,485 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-03 03:44:40,485 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-03 03:44:40,485 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-03 03:44:40,486 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-03 03:44:40,486 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-03 03:44:40,486 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-03 03:44:40,487 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-03 03:44:40,487 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-03 03:44:40,487 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-03 03:44:40,488 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-03 03:44:40,488 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-03 03:44:40,488 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-03 03:44:40,488 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-03 03:44:40,488 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-03 03:44:40,489 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-03 03:44:40,489 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-03 03:44:40,489 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-03 03:44:40,489 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-03 03:44:40,490 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-03 03:44:40,490 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-03 03:44:40,490 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-03 03:44:40,491 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-03 03:44:40,491 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-03 03:44:40,491 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-03 03:44:40,491 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-03 03:44:40,492 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-03 03:44:40,492 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_c0ddf810-cf18-4355-abe0-ae2f8d78d897/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0ddf810-cf18-4355-abe0-ae2f8d78d897/bin/utaipan-7li7fVZpFI Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 796dd9af134a9ffa7d65525922d125c3e75a459db15e4643a4f13ca47d95e4ce [2022-11-03 03:44:40,797 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-03 03:44:40,824 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-03 03:44:40,826 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-03 03:44:40,828 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-03 03:44:40,829 INFO L275 PluginConnector]: CDTParser initialized [2022-11-03 03:44:40,830 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0ddf810-cf18-4355-abe0-ae2f8d78d897/bin/utaipan-7li7fVZpFI/../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--ethernet--icplus--ipg.ko-entry_point.cil.out.i [2022-11-03 03:44:40,914 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0ddf810-cf18-4355-abe0-ae2f8d78d897/bin/utaipan-7li7fVZpFI/data/5279eca41/549a45d77e62489db43b40551d9a4609/FLAG2b3045512 [2022-11-03 03:44:42,031 INFO L306 CDTParser]: Found 1 translation units. [2022-11-03 03:44:42,033 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0ddf810-cf18-4355-abe0-ae2f8d78d897/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--ethernet--icplus--ipg.ko-entry_point.cil.out.i [2022-11-03 03:44:42,075 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0ddf810-cf18-4355-abe0-ae2f8d78d897/bin/utaipan-7li7fVZpFI/data/5279eca41/549a45d77e62489db43b40551d9a4609/FLAG2b3045512 [2022-11-03 03:44:42,372 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0ddf810-cf18-4355-abe0-ae2f8d78d897/bin/utaipan-7li7fVZpFI/data/5279eca41/549a45d77e62489db43b40551d9a4609 [2022-11-03 03:44:42,374 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-03 03:44:42,375 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-03 03:44:42,377 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-03 03:44:42,378 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-03 03:44:42,389 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-03 03:44:42,390 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 03:44:42" (1/1) ... [2022-11-03 03:44:42,391 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5441696d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:44:42, skipping insertion in model container [2022-11-03 03:44:42,392 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 03:44:42" (1/1) ... [2022-11-03 03:44:42,400 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-03 03:44:42,536 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-03 03:44:44,614 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_c0ddf810-cf18-4355-abe0-ae2f8d78d897/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--ethernet--icplus--ipg.ko-entry_point.cil.out.i[263179,263192] [2022-11-03 03:44:44,683 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-03 03:44:44,725 INFO L203 MainTranslator]: Completed pre-run [2022-11-03 03:44:45,085 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_c0ddf810-cf18-4355-abe0-ae2f8d78d897/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--ethernet--icplus--ipg.ko-entry_point.cil.out.i[263179,263192] [2022-11-03 03:44:45,093 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-03 03:44:45,226 INFO L208 MainTranslator]: Completed translation [2022-11-03 03:44:45,226 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:44:45 WrapperNode [2022-11-03 03:44:45,226 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-03 03:44:45,227 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-03 03:44:45,227 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-03 03:44:45,228 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-03 03:44:45,235 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:44:45" (1/1) ... [2022-11-03 03:44:45,371 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:44:45" (1/1) ... [2022-11-03 03:44:45,526 INFO L138 Inliner]: procedures = 262, calls = 1347, calls flagged for inlining = 121, calls inlined = 116, statements flattened = 3303 [2022-11-03 03:44:45,526 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-03 03:44:45,527 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-03 03:44:45,527 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-03 03:44:45,527 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-03 03:44:45,537 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:44:45" (1/1) ... [2022-11-03 03:44:45,537 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:44:45" (1/1) ... [2022-11-03 03:44:45,557 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:44:45" (1/1) ... [2022-11-03 03:44:45,558 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:44:45" (1/1) ... [2022-11-03 03:44:45,676 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:44:45" (1/1) ... [2022-11-03 03:44:45,702 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:44:45" (1/1) ... [2022-11-03 03:44:45,758 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:44:45" (1/1) ... [2022-11-03 03:44:45,779 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:44:45" (1/1) ... [2022-11-03 03:44:45,823 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-03 03:44:45,824 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-03 03:44:45,824 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-03 03:44:45,825 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-03 03:44:45,826 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:44:45" (1/1) ... [2022-11-03 03:44:45,833 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-03 03:44:45,844 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0ddf810-cf18-4355-abe0-ae2f8d78d897/bin/utaipan-7li7fVZpFI/z3 [2022-11-03 03:44:45,860 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0ddf810-cf18-4355-abe0-ae2f8d78d897/bin/utaipan-7li7fVZpFI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-03 03:44:45,886 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0ddf810-cf18-4355-abe0-ae2f8d78d897/bin/utaipan-7li7fVZpFI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-03 03:44:45,905 INFO L130 BoogieDeclarations]: Found specification of procedure ipg_nic_txfree [2022-11-03 03:44:45,905 INFO L138 BoogieDeclarations]: Found implementation of procedure ipg_nic_txfree [2022-11-03 03:44:45,905 INFO L130 BoogieDeclarations]: Found specification of procedure mdio_write [2022-11-03 03:44:45,905 INFO L138 BoogieDeclarations]: Found implementation of procedure mdio_write [2022-11-03 03:44:45,906 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-11-03 03:44:45,906 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-11-03 03:44:45,906 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_regions [2022-11-03 03:44:45,906 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_regions [2022-11-03 03:44:45,906 INFO L130 BoogieDeclarations]: Found specification of procedure ipg_tx_timeout [2022-11-03 03:44:45,907 INFO L138 BoogieDeclarations]: Found implementation of procedure ipg_tx_timeout [2022-11-03 03:44:45,907 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-11-03 03:44:45,907 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-11-03 03:44:45,907 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2022-11-03 03:44:45,907 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2022-11-03 03:44:45,907 INFO L130 BoogieDeclarations]: Found specification of procedure ipg_reset_after_host_error [2022-11-03 03:44:45,908 INFO L138 BoogieDeclarations]: Found implementation of procedure ipg_reset_after_host_error [2022-11-03 03:44:45,908 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2022-11-03 03:44:45,908 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2022-11-03 03:44:45,909 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock [2022-11-03 03:44:45,909 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock [2022-11-03 03:44:45,909 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-11-03 03:44:45,909 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-11-03 03:44:45,909 INFO L130 BoogieDeclarations]: Found specification of procedure free_irq [2022-11-03 03:44:45,909 INFO L138 BoogieDeclarations]: Found implementation of procedure free_irq [2022-11-03 03:44:45,910 INFO L130 BoogieDeclarations]: Found specification of procedure init_tfdlist [2022-11-03 03:44:45,910 INFO L138 BoogieDeclarations]: Found implementation of procedure init_tfdlist [2022-11-03 03:44:45,910 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2022-11-03 03:44:45,910 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2022-11-03 03:44:45,910 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2022-11-03 03:44:45,911 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2022-11-03 03:44:45,911 INFO L130 BoogieDeclarations]: Found specification of procedure queue_delayed_work_on [2022-11-03 03:44:45,911 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_delayed_work_on [2022-11-03 03:44:45,912 INFO L130 BoogieDeclarations]: Found specification of procedure pci_map_single [2022-11-03 03:44:45,912 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_map_single [2022-11-03 03:44:45,912 INFO L130 BoogieDeclarations]: Found specification of procedure activate_work_2 [2022-11-03 03:44:45,912 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_work_2 [2022-11-03 03:44:45,913 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2022-11-03 03:44:45,913 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2022-11-03 03:44:45,913 INFO L130 BoogieDeclarations]: Found specification of procedure iowrite16 [2022-11-03 03:44:45,913 INFO L138 BoogieDeclarations]: Found implementation of procedure iowrite16 [2022-11-03 03:44:45,914 INFO L130 BoogieDeclarations]: Found specification of procedure ipg_nic_set_multicast_list [2022-11-03 03:44:45,914 INFO L138 BoogieDeclarations]: Found implementation of procedure ipg_nic_set_multicast_list [2022-11-03 03:44:45,914 INFO L130 BoogieDeclarations]: Found specification of procedure iowrite8 [2022-11-03 03:44:45,914 INFO L138 BoogieDeclarations]: Found implementation of procedure iowrite8 [2022-11-03 03:44:45,914 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-11-03 03:44:45,915 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-11-03 03:44:45,915 INFO L130 BoogieDeclarations]: Found specification of procedure ioread32 [2022-11-03 03:44:45,915 INFO L138 BoogieDeclarations]: Found implementation of procedure ioread32 [2022-11-03 03:44:45,916 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2022-11-03 03:44:45,917 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2022-11-03 03:44:45,917 INFO L130 BoogieDeclarations]: Found specification of procedure pci_name [2022-11-03 03:44:45,918 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_name [2022-11-03 03:44:45,918 INFO L130 BoogieDeclarations]: Found specification of procedure ipg_tx_clear [2022-11-03 03:44:45,918 INFO L138 BoogieDeclarations]: Found implementation of procedure ipg_tx_clear [2022-11-03 03:44:45,918 INFO L130 BoogieDeclarations]: Found specification of procedure ipg_rx_clear [2022-11-03 03:44:45,918 INFO L138 BoogieDeclarations]: Found implementation of procedure ipg_rx_clear [2022-11-03 03:44:45,919 INFO L130 BoogieDeclarations]: Found specification of procedure read_eeprom [2022-11-03 03:44:45,919 INFO L138 BoogieDeclarations]: Found implementation of procedure read_eeprom [2022-11-03 03:44:45,919 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-03 03:44:45,920 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2022-11-03 03:44:45,920 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2022-11-03 03:44:45,920 INFO L130 BoogieDeclarations]: Found specification of procedure eth_mac_addr [2022-11-03 03:44:45,921 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_mac_addr [2022-11-03 03:44:45,921 INFO L130 BoogieDeclarations]: Found specification of procedure skb_checksum_none_assert [2022-11-03 03:44:45,921 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_checksum_none_assert [2022-11-03 03:44:45,921 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-03 03:44:45,921 INFO L130 BoogieDeclarations]: Found specification of procedure iowrite32 [2022-11-03 03:44:45,922 INFO L138 BoogieDeclarations]: Found implementation of procedure iowrite32 [2022-11-03 03:44:45,922 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2022-11-03 03:44:45,922 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2022-11-03 03:44:45,922 INFO L130 BoogieDeclarations]: Found specification of procedure netif_rx [2022-11-03 03:44:45,923 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_rx [2022-11-03 03:44:45,923 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock [2022-11-03 03:44:45,924 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock [2022-11-03 03:44:45,924 INFO L130 BoogieDeclarations]: Found specification of procedure ipg_nic_rx_free_skb [2022-11-03 03:44:45,924 INFO L138 BoogieDeclarations]: Found implementation of procedure ipg_nic_rx_free_skb [2022-11-03 03:44:45,924 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unmap_single [2022-11-03 03:44:45,924 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unmap_single [2022-11-03 03:44:45,925 INFO L130 BoogieDeclarations]: Found specification of procedure send_three_state [2022-11-03 03:44:45,925 INFO L138 BoogieDeclarations]: Found implementation of procedure send_three_state [2022-11-03 03:44:45,925 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-03 03:44:45,925 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-11-03 03:44:45,926 INFO L130 BoogieDeclarations]: Found specification of procedure read_phy_bit [2022-11-03 03:44:45,926 INFO L138 BoogieDeclarations]: Found implementation of procedure read_phy_bit [2022-11-03 03:44:45,927 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_nested [2022-11-03 03:44:45,927 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_nested [2022-11-03 03:44:45,927 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2022-11-03 03:44:45,927 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2022-11-03 03:44:45,928 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2022-11-03 03:44:45,928 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2022-11-03 03:44:45,929 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2022-11-03 03:44:45,929 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_irq [2022-11-03 03:44:45,930 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_irq [2022-11-03 03:44:45,930 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2022-11-03 03:44:45,930 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2022-11-03 03:44:45,930 INFO L130 BoogieDeclarations]: Found specification of procedure ipg_io_config [2022-11-03 03:44:45,930 INFO L138 BoogieDeclarations]: Found implementation of procedure ipg_io_config [2022-11-03 03:44:45,931 INFO L130 BoogieDeclarations]: Found specification of procedure init_rfdlist [2022-11-03 03:44:45,931 INFO L138 BoogieDeclarations]: Found implementation of procedure init_rfdlist [2022-11-03 03:44:45,931 INFO L130 BoogieDeclarations]: Found specification of procedure ipg_nic_open [2022-11-03 03:44:45,931 INFO L138 BoogieDeclarations]: Found implementation of procedure ipg_nic_open [2022-11-03 03:44:45,931 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-11-03 03:44:45,932 INFO L130 BoogieDeclarations]: Found specification of procedure ipg_ioctl [2022-11-03 03:44:45,932 INFO L138 BoogieDeclarations]: Found implementation of procedure ipg_ioctl [2022-11-03 03:44:45,932 INFO L130 BoogieDeclarations]: Found specification of procedure dma_free_attrs [2022-11-03 03:44:45,933 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_free_attrs [2022-11-03 03:44:45,933 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-03 03:44:45,933 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2022-11-03 03:44:45,933 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2022-11-03 03:44:45,934 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2022-11-03 03:44:45,935 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2022-11-03 03:44:45,938 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-11-03 03:44:45,938 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-11-03 03:44:45,938 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2022-11-03 03:44:45,938 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2022-11-03 03:44:45,939 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2022-11-03 03:44:45,940 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2022-11-03 03:44:45,941 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_dma_mask [2022-11-03 03:44:45,942 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_dma_mask [2022-11-03 03:44:45,942 INFO L130 BoogieDeclarations]: Found specification of procedure pci_free_consistent [2022-11-03 03:44:45,948 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_free_consistent [2022-11-03 03:44:45,948 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-03 03:44:45,948 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2022-11-03 03:44:45,948 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2022-11-03 03:44:45,948 INFO L130 BoogieDeclarations]: Found specification of procedure disable_suitable_irq_1 [2022-11-03 03:44:45,949 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_suitable_irq_1 [2022-11-03 03:44:45,949 INFO L130 BoogieDeclarations]: Found specification of procedure eth_type_trans [2022-11-03 03:44:45,949 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_type_trans [2022-11-03 03:44:45,949 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-11-03 03:44:45,949 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-11-03 03:44:45,949 INFO L130 BoogieDeclarations]: Found specification of procedure ipg_nic_get_stats [2022-11-03 03:44:45,950 INFO L138 BoogieDeclarations]: Found implementation of procedure ipg_nic_get_stats [2022-11-03 03:44:45,950 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2022-11-03 03:44:45,950 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2022-11-03 03:44:45,950 INFO L130 BoogieDeclarations]: Found specification of procedure ipg_nic_rxrestore [2022-11-03 03:44:45,950 INFO L138 BoogieDeclarations]: Found implementation of procedure ipg_nic_rxrestore [2022-11-03 03:44:45,950 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-03 03:44:45,951 INFO L130 BoogieDeclarations]: Found specification of procedure ipg_nic_stop [2022-11-03 03:44:45,951 INFO L138 BoogieDeclarations]: Found implementation of procedure ipg_nic_stop [2022-11-03 03:44:45,951 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2022-11-03 03:44:45,951 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2022-11-03 03:44:45,951 INFO L130 BoogieDeclarations]: Found specification of procedure ipg_config_autoneg [2022-11-03 03:44:45,951 INFO L138 BoogieDeclarations]: Found implementation of procedure ipg_config_autoneg [2022-11-03 03:44:45,952 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-03 03:44:45,952 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2022-11-03 03:44:45,952 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2022-11-03 03:44:45,952 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-03 03:44:45,952 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_irq_1 [2022-11-03 03:44:45,952 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_irq_1 [2022-11-03 03:44:45,953 INFO L130 BoogieDeclarations]: Found specification of procedure ioread16 [2022-11-03 03:44:45,953 INFO L138 BoogieDeclarations]: Found implementation of procedure ioread16 [2022-11-03 03:44:45,953 INFO L130 BoogieDeclarations]: Found specification of procedure ipg_ioaddr [2022-11-03 03:44:45,953 INFO L138 BoogieDeclarations]: Found implementation of procedure ipg_ioaddr [2022-11-03 03:44:45,953 INFO L130 BoogieDeclarations]: Found specification of procedure ioread8 [2022-11-03 03:44:45,953 INFO L138 BoogieDeclarations]: Found implementation of procedure ioread8 [2022-11-03 03:44:45,954 INFO L130 BoogieDeclarations]: Found specification of procedure ipg_reset [2022-11-03 03:44:45,954 INFO L138 BoogieDeclarations]: Found implementation of procedure ipg_reset [2022-11-03 03:44:45,954 INFO L130 BoogieDeclarations]: Found specification of procedure pci_iounmap [2022-11-03 03:44:45,954 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_iounmap [2022-11-03 03:44:45,954 INFO L130 BoogieDeclarations]: Found specification of procedure skb_put [2022-11-03 03:44:45,954 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_put [2022-11-03 03:44:45,955 INFO L130 BoogieDeclarations]: Found specification of procedure ipg_get_rxbuff [2022-11-03 03:44:45,955 INFO L138 BoogieDeclarations]: Found implementation of procedure ipg_get_rxbuff [2022-11-03 03:44:45,955 INFO L130 BoogieDeclarations]: Found specification of procedure dma_alloc_attrs [2022-11-03 03:44:45,955 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_alloc_attrs [2022-11-03 03:44:45,955 INFO L130 BoogieDeclarations]: Found specification of procedure ipg_write_phy_ctl [2022-11-03 03:44:45,955 INFO L138 BoogieDeclarations]: Found implementation of procedure ipg_write_phy_ctl [2022-11-03 03:44:45,956 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_delayed_work [2022-11-03 03:44:45,956 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_delayed_work [2022-11-03 03:44:45,956 INFO L130 BoogieDeclarations]: Found specification of procedure ipg_nic_change_mtu [2022-11-03 03:44:45,956 INFO L138 BoogieDeclarations]: Found implementation of procedure ipg_nic_change_mtu [2022-11-03 03:44:45,956 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2022-11-03 03:44:45,956 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2022-11-03 03:44:45,957 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-03 03:44:45,957 INFO L130 BoogieDeclarations]: Found specification of procedure ipg_nic_rx_check_error [2022-11-03 03:44:45,957 INFO L138 BoogieDeclarations]: Found implementation of procedure ipg_nic_rx_check_error [2022-11-03 03:44:45,957 INFO L130 BoogieDeclarations]: Found specification of procedure ipg_drive_phy_ctl_low_high [2022-11-03 03:44:45,957 INFO L138 BoogieDeclarations]: Found implementation of procedure ipg_drive_phy_ctl_low_high [2022-11-03 03:44:45,957 INFO L130 BoogieDeclarations]: Found specification of procedure mdio_read [2022-11-03 03:44:45,958 INFO L138 BoogieDeclarations]: Found implementation of procedure mdio_read [2022-11-03 03:44:45,958 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-03 03:44:45,958 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-03 03:44:46,709 INFO L235 CfgBuilder]: Building ICFG [2022-11-03 03:44:46,714 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-03 03:44:47,857 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-11-03 03:44:51,275 INFO L276 CfgBuilder]: Performing block encoding [2022-11-03 03:44:52,234 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-03 03:44:52,234 INFO L300 CfgBuilder]: Removed 2 assume(true) statements. [2022-11-03 03:44:52,239 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.11 03:44:52 BoogieIcfgContainer [2022-11-03 03:44:52,239 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-03 03:44:52,241 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-03 03:44:52,242 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-03 03:44:52,245 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-03 03:44:52,245 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 03.11 03:44:42" (1/3) ... [2022-11-03 03:44:52,246 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@36e25704 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.11 03:44:52, skipping insertion in model container [2022-11-03 03:44:52,246 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:44:45" (2/3) ... [2022-11-03 03:44:52,247 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@36e25704 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.11 03:44:52, skipping insertion in model container [2022-11-03 03:44:52,247 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.11 03:44:52" (3/3) ... [2022-11-03 03:44:52,248 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-43_2a-drivers--net--ethernet--icplus--ipg.ko-entry_point.cil.out.i [2022-11-03 03:44:52,269 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-03 03:44:52,269 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-03 03:44:52,365 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-03 03:44:52,375 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;@72651ee5, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-03 03:44:52,375 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-03 03:44:52,386 INFO L276 IsEmpty]: Start isEmpty. Operand has 1110 states, 664 states have (on average 1.3132530120481927) internal successors, (872), 697 states have internal predecessors, (872), 364 states have call successors, (364), 83 states have call predecessors, (364), 82 states have return successors, (356), 356 states have call predecessors, (356), 356 states have call successors, (356) [2022-11-03 03:44:52,420 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2022-11-03 03:44:52,420 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 03:44:52,421 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 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] [2022-11-03 03:44:52,422 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 03:44:52,431 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 03:44:52,432 INFO L85 PathProgramCache]: Analyzing trace with hash -642380745, now seen corresponding path program 1 times [2022-11-03 03:44:52,442 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 03:44:52,444 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2013761768] [2022-11-03 03:44:52,445 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 03:44:52,445 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 03:44:52,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 03:44:53,593 INFO L134 CoverageAnalysis]: Checked inductivity of 69 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 69 trivial. 0 not checked. [2022-11-03 03:44:53,593 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 03:44:53,594 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2013761768] [2022-11-03 03:44:53,595 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2013761768] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 03:44:53,595 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 03:44:53,595 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-03 03:44:53,597 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2146876684] [2022-11-03 03:44:53,598 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 03:44:53,603 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-03 03:44:53,603 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 03:44:53,635 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-03 03:44:53,636 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-03 03:44:53,640 INFO L87 Difference]: Start difference. First operand has 1110 states, 664 states have (on average 1.3132530120481927) internal successors, (872), 697 states have internal predecessors, (872), 364 states have call successors, (364), 83 states have call predecessors, (364), 82 states have return successors, (356), 356 states have call predecessors, (356), 356 states have call successors, (356) Second operand has 5 states, 5 states have (on average 7.4) internal successors, (37), 4 states have internal predecessors, (37), 3 states have call successors, (16), 3 states have call predecessors, (16), 1 states have return successors, (11), 3 states have call predecessors, (11), 3 states have call successors, (11) [2022-11-03 03:44:56,855 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.55s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 03:44:58,606 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.75s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 03:45:00,632 WARN L539 Checker$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 03:45:02,845 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 03:45:02,845 INFO L93 Difference]: Finished difference Result 3253 states and 4730 transitions. [2022-11-03 03:45:02,846 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-03 03:45:02,848 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 7.4) internal successors, (37), 4 states have internal predecessors, (37), 3 states have call successors, (16), 3 states have call predecessors, (16), 1 states have return successors, (11), 3 states have call predecessors, (11), 3 states have call successors, (11) Word has length 95 [2022-11-03 03:45:02,848 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 03:45:02,882 INFO L225 Difference]: With dead ends: 3253 [2022-11-03 03:45:02,882 INFO L226 Difference]: Without dead ends: 2133 [2022-11-03 03:45:02,897 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-11-03 03:45:02,900 INFO L413 NwaCegarLoop]: 1812 mSDtfsCounter, 1502 mSDsluCounter, 5493 mSDsCounter, 0 mSdLazyCounter, 661 mSolverCounterSat, 3 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1506 SdHoareTripleChecker+Valid, 6833 SdHoareTripleChecker+Invalid, 665 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 661 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.9s IncrementalHoareTripleChecker+Time [2022-11-03 03:45:02,901 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1506 Valid, 6833 Invalid, 665 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [3 Valid, 661 Invalid, 1 Unknown, 0 Unchecked, 8.9s Time] [2022-11-03 03:45:02,924 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2133 states. [2022-11-03 03:45:03,118 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2133 to 2123. [2022-11-03 03:45:03,126 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2123 states, 1277 states have (on average 1.297572435395458) internal successors, (1657), 1322 states have internal predecessors, (1657), 685 states have call successors, (685), 162 states have call predecessors, (685), 160 states have return successors, (686), 681 states have call predecessors, (686), 684 states have call successors, (686) [2022-11-03 03:45:03,149 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2123 states to 2123 states and 3028 transitions. [2022-11-03 03:45:03,152 INFO L78 Accepts]: Start accepts. Automaton has 2123 states and 3028 transitions. Word has length 95 [2022-11-03 03:45:03,154 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 03:45:03,155 INFO L495 AbstractCegarLoop]: Abstraction has 2123 states and 3028 transitions. [2022-11-03 03:45:03,155 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 7.4) internal successors, (37), 4 states have internal predecessors, (37), 3 states have call successors, (16), 3 states have call predecessors, (16), 1 states have return successors, (11), 3 states have call predecessors, (11), 3 states have call successors, (11) [2022-11-03 03:45:03,155 INFO L276 IsEmpty]: Start isEmpty. Operand 2123 states and 3028 transitions. [2022-11-03 03:45:03,167 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2022-11-03 03:45:03,167 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 03:45:03,168 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 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] [2022-11-03 03:45:03,169 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-03 03:45:03,169 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 03:45:03,170 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 03:45:03,170 INFO L85 PathProgramCache]: Analyzing trace with hash -1837300240, now seen corresponding path program 1 times [2022-11-03 03:45:03,170 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 03:45:03,175 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [571355865] [2022-11-03 03:45:03,175 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 03:45:03,175 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 03:45:03,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 03:45:03,851 INFO L134 CoverageAnalysis]: Checked inductivity of 69 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 69 trivial. 0 not checked. [2022-11-03 03:45:03,851 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 03:45:03,851 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [571355865] [2022-11-03 03:45:03,851 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [571355865] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 03:45:03,852 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 03:45:03,852 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-03 03:45:03,852 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [612716905] [2022-11-03 03:45:03,852 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 03:45:03,854 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-03 03:45:03,854 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 03:45:03,854 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-03 03:45:03,855 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-03 03:45:03,855 INFO L87 Difference]: Start difference. First operand 2123 states and 3028 transitions. Second operand has 5 states, 5 states have (on average 7.2) internal successors, (36), 4 states have internal predecessors, (36), 3 states have call successors, (16), 3 states have call predecessors, (16), 1 states have return successors, (11), 3 states have call predecessors, (11), 3 states have call successors, (11) [2022-11-03 03:45:07,740 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 03:45:09,774 WARN L539 Checker$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 03:45:11,406 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.32s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 03:45:13,197 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.79s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 03:45:14,253 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 03:45:14,253 INFO L93 Difference]: Finished difference Result 4245 states and 6053 transitions. [2022-11-03 03:45:14,254 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-03 03:45:14,254 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 7.2) internal successors, (36), 4 states have internal predecessors, (36), 3 states have call successors, (16), 3 states have call predecessors, (16), 1 states have return successors, (11), 3 states have call predecessors, (11), 3 states have call successors, (11) Word has length 94 [2022-11-03 03:45:14,255 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 03:45:14,272 INFO L225 Difference]: With dead ends: 4245 [2022-11-03 03:45:14,273 INFO L226 Difference]: Without dead ends: 2138 [2022-11-03 03:45:14,286 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-11-03 03:45:14,287 INFO L413 NwaCegarLoop]: 1787 mSDtfsCounter, 1478 mSDsluCounter, 5415 mSDsCounter, 0 mSdLazyCounter, 653 mSolverCounterSat, 3 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1482 SdHoareTripleChecker+Valid, 6736 SdHoareTripleChecker+Invalid, 657 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 653 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 10.1s IncrementalHoareTripleChecker+Time [2022-11-03 03:45:14,293 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1482 Valid, 6736 Invalid, 657 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 653 Invalid, 1 Unknown, 0 Unchecked, 10.1s Time] [2022-11-03 03:45:14,299 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2138 states. [2022-11-03 03:45:14,451 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2138 to 2128. [2022-11-03 03:45:14,456 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2128 states, 1281 states have (on average 1.2966432474629197) internal successors, (1661), 1326 states have internal predecessors, (1661), 685 states have call successors, (685), 163 states have call predecessors, (685), 161 states have return successors, (686), 681 states have call predecessors, (686), 684 states have call successors, (686) [2022-11-03 03:45:14,471 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2128 states to 2128 states and 3032 transitions. [2022-11-03 03:45:14,472 INFO L78 Accepts]: Start accepts. Automaton has 2128 states and 3032 transitions. Word has length 94 [2022-11-03 03:45:14,475 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 03:45:14,476 INFO L495 AbstractCegarLoop]: Abstraction has 2128 states and 3032 transitions. [2022-11-03 03:45:14,476 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 7.2) internal successors, (36), 4 states have internal predecessors, (36), 3 states have call successors, (16), 3 states have call predecessors, (16), 1 states have return successors, (11), 3 states have call predecessors, (11), 3 states have call successors, (11) [2022-11-03 03:45:14,476 INFO L276 IsEmpty]: Start isEmpty. Operand 2128 states and 3032 transitions. [2022-11-03 03:45:14,480 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2022-11-03 03:45:14,481 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 03:45:14,481 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 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] [2022-11-03 03:45:14,481 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-03 03:45:14,481 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 03:45:14,491 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 03:45:14,492 INFO L85 PathProgramCache]: Analyzing trace with hash -1967851942, now seen corresponding path program 1 times [2022-11-03 03:45:14,492 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 03:45:14,492 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [937094420] [2022-11-03 03:45:14,492 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 03:45:14,492 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 03:45:14,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 03:45:14,958 INFO L134 CoverageAnalysis]: Checked inductivity of 69 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 69 trivial. 0 not checked. [2022-11-03 03:45:14,959 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 03:45:14,959 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [937094420] [2022-11-03 03:45:14,960 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [937094420] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 03:45:14,960 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 03:45:14,961 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-03 03:45:14,961 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [773530396] [2022-11-03 03:45:14,961 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 03:45:14,962 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-03 03:45:14,963 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 03:45:14,963 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-03 03:45:14,963 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-03 03:45:14,964 INFO L87 Difference]: Start difference. First operand 2128 states and 3032 transitions. Second operand has 5 states, 5 states have (on average 7.0) internal successors, (35), 4 states have internal predecessors, (35), 3 states have call successors, (16), 3 states have call predecessors, (16), 1 states have return successors, (11), 3 states have call predecessors, (11), 3 states have call successors, (11) [2022-11-03 03:45:19,615 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 03:45:21,041 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 03:45:21,042 INFO L93 Difference]: Finished difference Result 5296 states and 7542 transitions. [2022-11-03 03:45:21,042 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-03 03:45:21,043 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 7.0) internal successors, (35), 4 states have internal predecessors, (35), 3 states have call successors, (16), 3 states have call predecessors, (16), 1 states have return successors, (11), 3 states have call predecessors, (11), 3 states have call successors, (11) Word has length 93 [2022-11-03 03:45:21,043 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 03:45:21,066 INFO L225 Difference]: With dead ends: 5296 [2022-11-03 03:45:21,067 INFO L226 Difference]: Without dead ends: 3184 [2022-11-03 03:45:21,078 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-11-03 03:45:21,081 INFO L413 NwaCegarLoop]: 1784 mSDtfsCounter, 1481 mSDsluCounter, 5410 mSDsCounter, 0 mSdLazyCounter, 655 mSolverCounterSat, 3 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1485 SdHoareTripleChecker+Valid, 6729 SdHoareTripleChecker+Invalid, 659 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 655 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.8s IncrementalHoareTripleChecker+Time [2022-11-03 03:45:21,083 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1485 Valid, 6729 Invalid, 659 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 655 Invalid, 1 Unknown, 0 Unchecked, 5.8s Time] [2022-11-03 03:45:21,089 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3184 states. [2022-11-03 03:45:21,237 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3184 to 3155. [2022-11-03 03:45:21,245 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3155 states, 1900 states have (on average 1.298421052631579) internal successors, (2467), 1970 states have internal predecessors, (2467), 1014 states have call successors, (1014), 243 states have call predecessors, (1014), 240 states have return successors, (1017), 1005 states have call predecessors, (1017), 1013 states have call successors, (1017) [2022-11-03 03:45:21,265 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3155 states to 3155 states and 4498 transitions. [2022-11-03 03:45:21,267 INFO L78 Accepts]: Start accepts. Automaton has 3155 states and 4498 transitions. Word has length 93 [2022-11-03 03:45:21,267 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 03:45:21,267 INFO L495 AbstractCegarLoop]: Abstraction has 3155 states and 4498 transitions. [2022-11-03 03:45:21,268 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 7.0) internal successors, (35), 4 states have internal predecessors, (35), 3 states have call successors, (16), 3 states have call predecessors, (16), 1 states have return successors, (11), 3 states have call predecessors, (11), 3 states have call successors, (11) [2022-11-03 03:45:21,268 INFO L276 IsEmpty]: Start isEmpty. Operand 3155 states and 4498 transitions. [2022-11-03 03:45:21,278 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2022-11-03 03:45:21,279 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 03:45:21,279 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 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] [2022-11-03 03:45:21,279 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-03 03:45:21,279 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 03:45:21,280 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 03:45:21,280 INFO L85 PathProgramCache]: Analyzing trace with hash -811798035, now seen corresponding path program 1 times [2022-11-03 03:45:21,281 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 03:45:21,281 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [648650600] [2022-11-03 03:45:21,281 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 03:45:21,281 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 03:45:21,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 03:45:21,637 INFO L134 CoverageAnalysis]: Checked inductivity of 69 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 69 trivial. 0 not checked. [2022-11-03 03:45:21,637 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 03:45:21,637 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [648650600] [2022-11-03 03:45:21,638 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [648650600] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 03:45:21,638 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 03:45:21,638 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-03 03:45:21,638 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [552639090] [2022-11-03 03:45:21,638 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 03:45:21,639 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-03 03:45:21,640 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 03:45:21,645 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-03 03:45:21,645 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-03 03:45:21,646 INFO L87 Difference]: Start difference. First operand 3155 states and 4498 transitions. Second operand has 5 states, 5 states have (on average 7.6) internal successors, (38), 4 states have internal predecessors, (38), 3 states have call successors, (16), 3 states have call predecessors, (16), 1 states have return successors, (11), 3 states have call predecessors, (11), 3 states have call successors, (11) [2022-11-03 03:45:26,188 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 03:45:28,219 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 03:45:31,411 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 03:45:31,411 INFO L93 Difference]: Finished difference Result 5517 states and 7819 transitions. [2022-11-03 03:45:31,411 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-03 03:45:31,412 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 7.6) internal successors, (38), 4 states have internal predecessors, (38), 3 states have call successors, (16), 3 states have call predecessors, (16), 1 states have return successors, (11), 3 states have call predecessors, (11), 3 states have call successors, (11) Word has length 96 [2022-11-03 03:45:31,412 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 03:45:31,432 INFO L225 Difference]: With dead ends: 5517 [2022-11-03 03:45:31,432 INFO L226 Difference]: Without dead ends: 2897 [2022-11-03 03:45:31,445 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-11-03 03:45:31,446 INFO L413 NwaCegarLoop]: 1792 mSDtfsCounter, 1475 mSDsluCounter, 5430 mSDsCounter, 0 mSdLazyCounter, 659 mSolverCounterSat, 3 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1479 SdHoareTripleChecker+Valid, 6751 SdHoareTripleChecker+Invalid, 664 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 659 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.5s IncrementalHoareTripleChecker+Time [2022-11-03 03:45:31,446 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1479 Valid, 6751 Invalid, 664 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 659 Invalid, 2 Unknown, 0 Unchecked, 9.5s Time] [2022-11-03 03:45:31,451 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2897 states. [2022-11-03 03:45:31,579 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2897 to 2881. [2022-11-03 03:45:31,586 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2881 states, 1725 states have (on average 1.2910144927536231) internal successors, (2227), 1782 states have internal predecessors, (2227), 926 states have call successors, (926), 232 states have call predecessors, (926), 229 states have return successors, (929), 918 states have call predecessors, (929), 925 states have call successors, (929) [2022-11-03 03:45:31,600 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2881 states to 2881 states and 4082 transitions. [2022-11-03 03:45:31,601 INFO L78 Accepts]: Start accepts. Automaton has 2881 states and 4082 transitions. Word has length 96 [2022-11-03 03:45:31,602 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 03:45:31,602 INFO L495 AbstractCegarLoop]: Abstraction has 2881 states and 4082 transitions. [2022-11-03 03:45:31,602 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 7.6) internal successors, (38), 4 states have internal predecessors, (38), 3 states have call successors, (16), 3 states have call predecessors, (16), 1 states have return successors, (11), 3 states have call predecessors, (11), 3 states have call successors, (11) [2022-11-03 03:45:31,603 INFO L276 IsEmpty]: Start isEmpty. Operand 2881 states and 4082 transitions. [2022-11-03 03:45:31,608 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2022-11-03 03:45:31,608 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 03:45:31,609 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 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] [2022-11-03 03:45:31,609 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-03 03:45:31,609 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 03:45:31,610 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 03:45:31,610 INFO L85 PathProgramCache]: Analyzing trace with hash 783302825, now seen corresponding path program 1 times [2022-11-03 03:45:31,610 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 03:45:31,612 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [949850321] [2022-11-03 03:45:31,612 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 03:45:31,613 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 03:45:31,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 03:45:32,257 INFO L134 CoverageAnalysis]: Checked inductivity of 77 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 75 trivial. 0 not checked. [2022-11-03 03:45:32,258 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 03:45:32,258 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [949850321] [2022-11-03 03:45:32,258 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [949850321] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-03 03:45:32,259 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [399399076] [2022-11-03 03:45:32,259 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 03:45:32,261 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-03 03:45:32,262 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0ddf810-cf18-4355-abe0-ae2f8d78d897/bin/utaipan-7li7fVZpFI/z3 [2022-11-03 03:45:32,264 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0ddf810-cf18-4355-abe0-ae2f8d78d897/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-03 03:45:32,294 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0ddf810-cf18-4355-abe0-ae2f8d78d897/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-11-03 03:45:33,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 03:45:33,197 INFO L263 TraceCheckSpWp]: Trace formula consists of 2110 conjuncts, 7 conjunts are in the unsatisfiable core [2022-11-03 03:45:33,210 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 03:45:33,424 INFO L134 CoverageAnalysis]: Checked inductivity of 77 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 69 trivial. 0 not checked. [2022-11-03 03:45:33,425 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-03 03:45:33,425 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [399399076] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 03:45:33,425 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-03 03:45:33,425 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [8] total 13 [2022-11-03 03:45:33,426 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [841537479] [2022-11-03 03:45:33,426 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 03:45:33,426 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-11-03 03:45:33,427 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 03:45:33,427 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-11-03 03:45:33,427 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=129, Unknown=0, NotChecked=0, Total=156 [2022-11-03 03:45:33,428 INFO L87 Difference]: Start difference. First operand 2881 states and 4082 transitions. Second operand has 7 states, 7 states have (on average 6.571428571428571) internal successors, (46), 5 states have internal predecessors, (46), 3 states have call successors, (17), 3 states have call predecessors, (17), 3 states have return successors, (12), 3 states have call predecessors, (12), 2 states have call successors, (12) [2022-11-03 03:45:38,618 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 03:45:39,673 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.05s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 03:45:41,942 WARN L539 Checker$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 03:45:44,004 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 03:45:44,004 INFO L93 Difference]: Finished difference Result 6824 states and 9673 transitions. [2022-11-03 03:45:44,005 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-11-03 03:45:44,005 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 6.571428571428571) internal successors, (46), 5 states have internal predecessors, (46), 3 states have call successors, (17), 3 states have call predecessors, (17), 3 states have return successors, (12), 3 states have call predecessors, (12), 2 states have call successors, (12) Word has length 106 [2022-11-03 03:45:44,005 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 03:45:44,038 INFO L225 Difference]: With dead ends: 6824 [2022-11-03 03:45:44,038 INFO L226 Difference]: Without dead ends: 4707 [2022-11-03 03:45:44,052 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 122 GetRequests, 104 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 24 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=68, Invalid=312, Unknown=0, NotChecked=0, Total=380 [2022-11-03 03:45:44,053 INFO L413 NwaCegarLoop]: 2080 mSDtfsCounter, 1509 mSDsluCounter, 10622 mSDsCounter, 0 mSdLazyCounter, 1180 mSolverCounterSat, 2 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1513 SdHoareTripleChecker+Valid, 11784 SdHoareTripleChecker+Invalid, 1183 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 1180 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 10.1s IncrementalHoareTripleChecker+Time [2022-11-03 03:45:44,054 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1513 Valid, 11784 Invalid, 1183 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 1180 Invalid, 1 Unknown, 0 Unchecked, 10.1s Time] [2022-11-03 03:45:44,061 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4707 states. [2022-11-03 03:45:44,336 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4707 to 4674. [2022-11-03 03:45:44,361 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4674 states, 2798 states have (on average 1.2912794853466762) internal successors, (3613), 2894 states have internal predecessors, (3613), 1498 states have call successors, (1498), 380 states have call predecessors, (1498), 377 states have return successors, (1510), 1481 states have call predecessors, (1510), 1497 states have call successors, (1510) [2022-11-03 03:45:44,382 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4674 states to 4674 states and 6621 transitions. [2022-11-03 03:45:44,383 INFO L78 Accepts]: Start accepts. Automaton has 4674 states and 6621 transitions. Word has length 106 [2022-11-03 03:45:44,385 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 03:45:44,386 INFO L495 AbstractCegarLoop]: Abstraction has 4674 states and 6621 transitions. [2022-11-03 03:45:44,386 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 6.571428571428571) internal successors, (46), 5 states have internal predecessors, (46), 3 states have call successors, (17), 3 states have call predecessors, (17), 3 states have return successors, (12), 3 states have call predecessors, (12), 2 states have call successors, (12) [2022-11-03 03:45:44,387 INFO L276 IsEmpty]: Start isEmpty. Operand 4674 states and 6621 transitions. [2022-11-03 03:45:44,393 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2022-11-03 03:45:44,393 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 03:45:44,394 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 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] [2022-11-03 03:45:44,438 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0ddf810-cf18-4355-abe0-ae2f8d78d897/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-11-03 03:45:44,617 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0ddf810-cf18-4355-abe0-ae2f8d78d897/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-03 03:45:44,617 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 03:45:44,618 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 03:45:44,618 INFO L85 PathProgramCache]: Analyzing trace with hash -1212750226, now seen corresponding path program 1 times [2022-11-03 03:45:44,618 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 03:45:44,618 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [5881905] [2022-11-03 03:45:44,618 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 03:45:44,619 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 03:45:44,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 03:45:45,139 INFO L134 CoverageAnalysis]: Checked inductivity of 76 backedges. 1 proven. 6 refuted. 0 times theorem prover too weak. 69 trivial. 0 not checked. [2022-11-03 03:45:45,139 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 03:45:45,140 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [5881905] [2022-11-03 03:45:45,140 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [5881905] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-03 03:45:45,140 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [332755659] [2022-11-03 03:45:45,140 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 03:45:45,140 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-03 03:45:45,141 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0ddf810-cf18-4355-abe0-ae2f8d78d897/bin/utaipan-7li7fVZpFI/z3 [2022-11-03 03:45:45,142 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0ddf810-cf18-4355-abe0-ae2f8d78d897/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-03 03:45:45,166 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0ddf810-cf18-4355-abe0-ae2f8d78d897/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-11-03 03:45:46,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 03:45:46,036 INFO L263 TraceCheckSpWp]: Trace formula consists of 2112 conjuncts, 7 conjunts are in the unsatisfiable core [2022-11-03 03:45:46,042 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 03:45:46,189 INFO L134 CoverageAnalysis]: Checked inductivity of 76 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 69 trivial. 0 not checked. [2022-11-03 03:45:46,189 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-03 03:45:46,189 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [332755659] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 03:45:46,189 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-03 03:45:46,190 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [9] total 14 [2022-11-03 03:45:46,190 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [107124908] [2022-11-03 03:45:46,190 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 03:45:46,190 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-11-03 03:45:46,191 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 03:45:46,191 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-11-03 03:45:46,191 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=153, Unknown=0, NotChecked=0, Total=182 [2022-11-03 03:45:46,192 INFO L87 Difference]: Start difference. First operand 4674 states and 6621 transitions. Second operand has 7 states, 7 states have (on average 6.714285714285714) internal successors, (47), 5 states have internal predecessors, (47), 3 states have call successors, (17), 3 states have call predecessors, (17), 3 states have return successors, (12), 3 states have call predecessors, (12), 2 states have call successors, (12) [2022-11-03 03:45:51,226 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 03:45:53,251 WARN L539 Checker$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 03:45:55,280 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 03:45:57,309 WARN L539 Checker$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 03:45:59,669 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 03:46:01,698 WARN L539 Checker$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 03:46:03,207 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.51s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 03:46:05,230 WARN L539 Checker$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 03:46:07,091 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 03:46:07,091 INFO L93 Difference]: Finished difference Result 10421 states and 14761 transitions. [2022-11-03 03:46:07,093 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-11-03 03:46:07,094 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 6.714285714285714) internal successors, (47), 5 states have internal predecessors, (47), 3 states have call successors, (17), 3 states have call predecessors, (17), 3 states have return successors, (12), 3 states have call predecessors, (12), 2 states have call successors, (12) Word has length 107 [2022-11-03 03:46:07,094 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 03:46:07,139 INFO L225 Difference]: With dead ends: 10421 [2022-11-03 03:46:07,139 INFO L226 Difference]: Without dead ends: 6511 [2022-11-03 03:46:07,159 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 123 GetRequests, 104 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 24 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=70, Invalid=350, Unknown=0, NotChecked=0, Total=420 [2022-11-03 03:46:07,161 INFO L413 NwaCegarLoop]: 2092 mSDtfsCounter, 1509 mSDsluCounter, 10670 mSDsCounter, 0 mSdLazyCounter, 1190 mSolverCounterSat, 2 mSolverCounterUnsat, 7 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 19.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1513 SdHoareTripleChecker+Valid, 11832 SdHoareTripleChecker+Invalid, 1199 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 1190 IncrementalHoareTripleChecker+Invalid, 7 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 20.4s IncrementalHoareTripleChecker+Time [2022-11-03 03:46:07,161 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1513 Valid, 11832 Invalid, 1199 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 1190 Invalid, 7 Unknown, 0 Unchecked, 20.4s Time] [2022-11-03 03:46:07,170 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6511 states. [2022-11-03 03:46:07,504 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6511 to 6472. [2022-11-03 03:46:07,516 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6472 states, 3874 states have (on average 1.2911719153329893) internal successors, (5002), 4012 states have internal predecessors, (5002), 2070 states have call successors, (2070), 528 states have call predecessors, (2070), 527 states have return successors, (2094), 2043 states have call predecessors, (2094), 2069 states have call successors, (2094) [2022-11-03 03:46:07,546 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6472 states to 6472 states and 9166 transitions. [2022-11-03 03:46:07,548 INFO L78 Accepts]: Start accepts. Automaton has 6472 states and 9166 transitions. Word has length 107 [2022-11-03 03:46:07,550 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 03:46:07,550 INFO L495 AbstractCegarLoop]: Abstraction has 6472 states and 9166 transitions. [2022-11-03 03:46:07,550 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 6.714285714285714) internal successors, (47), 5 states have internal predecessors, (47), 3 states have call successors, (17), 3 states have call predecessors, (17), 3 states have return successors, (12), 3 states have call predecessors, (12), 2 states have call successors, (12) [2022-11-03 03:46:07,550 INFO L276 IsEmpty]: Start isEmpty. Operand 6472 states and 9166 transitions. [2022-11-03 03:46:07,561 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2022-11-03 03:46:07,561 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 03:46:07,562 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 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] [2022-11-03 03:46:07,610 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0ddf810-cf18-4355-abe0-ae2f8d78d897/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-11-03 03:46:07,782 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0ddf810-cf18-4355-abe0-ae2f8d78d897/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5 [2022-11-03 03:46:07,783 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 03:46:07,783 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 03:46:07,783 INFO L85 PathProgramCache]: Analyzing trace with hash -513491678, now seen corresponding path program 1 times [2022-11-03 03:46:07,783 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 03:46:07,783 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1878481393] [2022-11-03 03:46:07,784 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 03:46:07,784 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 03:46:07,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 03:46:08,343 INFO L134 CoverageAnalysis]: Checked inductivity of 76 backedges. 1 proven. 6 refuted. 0 times theorem prover too weak. 69 trivial. 0 not checked. [2022-11-03 03:46:08,344 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 03:46:08,344 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1878481393] [2022-11-03 03:46:08,344 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1878481393] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-03 03:46:08,344 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1380930398] [2022-11-03 03:46:08,345 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 03:46:08,345 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-03 03:46:08,345 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0ddf810-cf18-4355-abe0-ae2f8d78d897/bin/utaipan-7li7fVZpFI/z3 [2022-11-03 03:46:08,347 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0ddf810-cf18-4355-abe0-ae2f8d78d897/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-03 03:46:08,370 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0ddf810-cf18-4355-abe0-ae2f8d78d897/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-11-03 03:46:09,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 03:46:09,194 INFO L263 TraceCheckSpWp]: Trace formula consists of 2114 conjuncts, 7 conjunts are in the unsatisfiable core [2022-11-03 03:46:09,199 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 03:46:09,310 INFO L134 CoverageAnalysis]: Checked inductivity of 76 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 69 trivial. 0 not checked. [2022-11-03 03:46:09,310 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-03 03:46:09,311 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1380930398] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 03:46:09,311 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-03 03:46:09,311 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [9] total 14 [2022-11-03 03:46:09,311 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1226139912] [2022-11-03 03:46:09,311 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 03:46:09,313 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-11-03 03:46:09,313 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 03:46:09,313 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-11-03 03:46:09,313 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=153, Unknown=0, NotChecked=0, Total=182 [2022-11-03 03:46:09,314 INFO L87 Difference]: Start difference. First operand 6472 states and 9166 transitions. Second operand has 7 states, 7 states have (on average 6.857142857142857) internal successors, (48), 5 states have internal predecessors, (48), 3 states have call successors, (17), 3 states have call predecessors, (17), 3 states have return successors, (12), 3 states have call predecessors, (12), 2 states have call successors, (12) [2022-11-03 03:46:12,241 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.17s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 03:46:14,268 WARN L539 Checker$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 03:46:16,302 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 03:46:18,327 WARN L539 Checker$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 03:46:20,595 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 03:46:20,596 INFO L93 Difference]: Finished difference Result 14015 states and 19847 transitions. [2022-11-03 03:46:20,597 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-11-03 03:46:20,597 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 6.857142857142857) internal successors, (48), 5 states have internal predecessors, (48), 3 states have call successors, (17), 3 states have call predecessors, (17), 3 states have return successors, (12), 3 states have call predecessors, (12), 2 states have call successors, (12) Word has length 108 [2022-11-03 03:46:20,598 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 03:46:20,654 INFO L225 Difference]: With dead ends: 14015 [2022-11-03 03:46:20,655 INFO L226 Difference]: Without dead ends: 8307 [2022-11-03 03:46:20,684 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 124 GetRequests, 105 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 24 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=70, Invalid=350, Unknown=0, NotChecked=0, Total=420 [2022-11-03 03:46:20,685 INFO L413 NwaCegarLoop]: 2092 mSDtfsCounter, 1509 mSDsluCounter, 10666 mSDsCounter, 0 mSdLazyCounter, 1190 mSolverCounterSat, 2 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 10.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1513 SdHoareTripleChecker+Valid, 11832 SdHoareTripleChecker+Invalid, 1195 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 1190 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 10.8s IncrementalHoareTripleChecker+Time [2022-11-03 03:46:20,685 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1513 Valid, 11832 Invalid, 1195 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 1190 Invalid, 3 Unknown, 0 Unchecked, 10.8s Time] [2022-11-03 03:46:20,697 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8307 states. [2022-11-03 03:46:21,061 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8307 to 6473. [2022-11-03 03:46:21,075 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6473 states, 3875 states have (on average 1.2910967741935484) internal successors, (5003), 4012 states have internal predecessors, (5003), 2070 states have call successors, (2070), 528 states have call predecessors, (2070), 527 states have return successors, (2094), 2044 states have call predecessors, (2094), 2069 states have call successors, (2094) [2022-11-03 03:46:21,108 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6473 states to 6473 states and 9167 transitions. [2022-11-03 03:46:21,111 INFO L78 Accepts]: Start accepts. Automaton has 6473 states and 9167 transitions. Word has length 108 [2022-11-03 03:46:21,112 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 03:46:21,112 INFO L495 AbstractCegarLoop]: Abstraction has 6473 states and 9167 transitions. [2022-11-03 03:46:21,113 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 6.857142857142857) internal successors, (48), 5 states have internal predecessors, (48), 3 states have call successors, (17), 3 states have call predecessors, (17), 3 states have return successors, (12), 3 states have call predecessors, (12), 2 states have call successors, (12) [2022-11-03 03:46:21,113 INFO L276 IsEmpty]: Start isEmpty. Operand 6473 states and 9167 transitions. [2022-11-03 03:46:21,124 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2022-11-03 03:46:21,124 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 03:46:21,124 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 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] [2022-11-03 03:46:21,171 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0ddf810-cf18-4355-abe0-ae2f8d78d897/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2022-11-03 03:46:21,337 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0ddf810-cf18-4355-abe0-ae2f8d78d897/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable6 [2022-11-03 03:46:21,337 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 03:46:21,338 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 03:46:21,338 INFO L85 PathProgramCache]: Analyzing trace with hash 2136047815, now seen corresponding path program 1 times [2022-11-03 03:46:21,338 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 03:46:21,338 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1878982661] [2022-11-03 03:46:21,338 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 03:46:21,339 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 03:46:21,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 03:46:22,047 INFO L134 CoverageAnalysis]: Checked inductivity of 76 backedges. 1 proven. 6 refuted. 0 times theorem prover too weak. 69 trivial. 0 not checked. [2022-11-03 03:46:22,047 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 03:46:22,047 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1878982661] [2022-11-03 03:46:22,047 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1878982661] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-03 03:46:22,048 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1419986901] [2022-11-03 03:46:22,048 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 03:46:22,048 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-03 03:46:22,048 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0ddf810-cf18-4355-abe0-ae2f8d78d897/bin/utaipan-7li7fVZpFI/z3 [2022-11-03 03:46:22,049 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0ddf810-cf18-4355-abe0-ae2f8d78d897/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-03 03:46:22,079 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0ddf810-cf18-4355-abe0-ae2f8d78d897/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-11-03 03:46:23,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 03:46:23,060 INFO L263 TraceCheckSpWp]: Trace formula consists of 2116 conjuncts, 7 conjunts are in the unsatisfiable core [2022-11-03 03:46:23,069 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 03:46:23,221 INFO L134 CoverageAnalysis]: Checked inductivity of 76 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 69 trivial. 0 not checked. [2022-11-03 03:46:23,221 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-03 03:46:23,222 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1419986901] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 03:46:23,222 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-03 03:46:23,222 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [9] total 14 [2022-11-03 03:46:23,223 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2089159465] [2022-11-03 03:46:23,223 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 03:46:23,224 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-11-03 03:46:23,224 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 03:46:23,224 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-11-03 03:46:23,224 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=153, Unknown=0, NotChecked=0, Total=182 [2022-11-03 03:46:23,225 INFO L87 Difference]: Start difference. First operand 6473 states and 9167 transitions. Second operand has 7 states, 7 states have (on average 7.0) internal successors, (49), 5 states have internal predecessors, (49), 3 states have call successors, (17), 3 states have call predecessors, (17), 3 states have return successors, (12), 3 states have call predecessors, (12), 2 states have call successors, (12) [2022-11-03 03:46:27,654 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.39s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 03:46:30,857 WARN L539 Checker$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 03:46:32,886 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 03:46:35,015 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 03:46:35,016 INFO L93 Difference]: Finished difference Result 14018 states and 19850 transitions. [2022-11-03 03:46:35,016 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-11-03 03:46:35,016 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 7.0) internal successors, (49), 5 states have internal predecessors, (49), 3 states have call successors, (17), 3 states have call predecessors, (17), 3 states have return successors, (12), 3 states have call predecessors, (12), 2 states have call successors, (12) Word has length 109 [2022-11-03 03:46:35,017 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 03:46:35,074 INFO L225 Difference]: With dead ends: 14018 [2022-11-03 03:46:35,074 INFO L226 Difference]: Without dead ends: 8309 [2022-11-03 03:46:35,105 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 125 GetRequests, 106 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 24 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=70, Invalid=350, Unknown=0, NotChecked=0, Total=420 [2022-11-03 03:46:35,106 INFO L413 NwaCegarLoop]: 2092 mSDtfsCounter, 1509 mSDsluCounter, 10666 mSDsCounter, 0 mSdLazyCounter, 1191 mSolverCounterSat, 2 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 10.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1513 SdHoareTripleChecker+Valid, 11832 SdHoareTripleChecker+Invalid, 1195 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 1191 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 11.3s IncrementalHoareTripleChecker+Time [2022-11-03 03:46:35,106 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1513 Valid, 11832 Invalid, 1195 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 1191 Invalid, 2 Unknown, 0 Unchecked, 11.3s Time] [2022-11-03 03:46:35,118 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8309 states. [2022-11-03 03:46:35,572 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8309 to 6474. [2022-11-03 03:46:35,581 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6474 states, 3876 states have (on average 1.2910216718266254) internal successors, (5004), 4012 states have internal predecessors, (5004), 2070 states have call successors, (2070), 528 states have call predecessors, (2070), 527 states have return successors, (2094), 2045 states have call predecessors, (2094), 2069 states have call successors, (2094) [2022-11-03 03:46:35,612 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6474 states to 6474 states and 9168 transitions. [2022-11-03 03:46:35,615 INFO L78 Accepts]: Start accepts. Automaton has 6474 states and 9168 transitions. Word has length 109 [2022-11-03 03:46:35,615 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 03:46:35,616 INFO L495 AbstractCegarLoop]: Abstraction has 6474 states and 9168 transitions. [2022-11-03 03:46:35,616 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 7.0) internal successors, (49), 5 states have internal predecessors, (49), 3 states have call successors, (17), 3 states have call predecessors, (17), 3 states have return successors, (12), 3 states have call predecessors, (12), 2 states have call successors, (12) [2022-11-03 03:46:35,616 INFO L276 IsEmpty]: Start isEmpty. Operand 6474 states and 9168 transitions. [2022-11-03 03:46:35,629 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2022-11-03 03:46:35,629 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 03:46:35,630 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 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] [2022-11-03 03:46:35,675 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0ddf810-cf18-4355-abe0-ae2f8d78d897/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2022-11-03 03:46:35,842 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0ddf810-cf18-4355-abe0-ae2f8d78d897/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-03 03:46:35,843 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 03:46:35,843 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 03:46:35,843 INFO L85 PathProgramCache]: Analyzing trace with hash 274824369, now seen corresponding path program 1 times [2022-11-03 03:46:35,843 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 03:46:35,843 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [843340365] [2022-11-03 03:46:35,843 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 03:46:35,843 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 03:46:35,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 03:46:36,086 INFO L134 CoverageAnalysis]: Checked inductivity of 73 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 73 trivial. 0 not checked. [2022-11-03 03:46:36,086 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 03:46:36,086 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [843340365] [2022-11-03 03:46:36,087 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [843340365] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 03:46:36,087 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 03:46:36,087 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-03 03:46:36,087 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1818183367] [2022-11-03 03:46:36,087 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 03:46:36,088 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-03 03:46:36,088 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 03:46:36,088 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-03 03:46:36,089 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-03 03:46:36,089 INFO L87 Difference]: Start difference. First operand 6474 states and 9168 transitions. Second operand has 3 states, 3 states have (on average 16.666666666666668) internal successors, (50), 3 states have internal predecessors, (50), 3 states have call successors, (23), 3 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 03:46:38,307 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.26s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 03:46:38,781 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 03:46:38,781 INFO L93 Difference]: Finished difference Result 7745 states and 10784 transitions. [2022-11-03 03:46:38,782 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-03 03:46:38,782 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 16.666666666666668) internal successors, (50), 3 states have internal predecessors, (50), 3 states have call successors, (23), 3 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 124 [2022-11-03 03:46:38,782 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 03:46:38,815 INFO L225 Difference]: With dead ends: 7745 [2022-11-03 03:46:38,816 INFO L226 Difference]: Without dead ends: 7742 [2022-11-03 03:46:38,819 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 03:46:38,820 INFO L413 NwaCegarLoop]: 1577 mSDtfsCounter, 1135 mSDsluCounter, 710 mSDsCounter, 0 mSdLazyCounter, 240 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1135 SdHoareTripleChecker+Valid, 2217 SdHoareTripleChecker+Invalid, 241 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 240 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.4s IncrementalHoareTripleChecker+Time [2022-11-03 03:46:38,820 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1135 Valid, 2217 Invalid, 241 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 240 Invalid, 0 Unknown, 0 Unchecked, 2.4s Time] [2022-11-03 03:46:38,829 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7742 states. [2022-11-03 03:46:39,185 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7742 to 7742. [2022-11-03 03:46:39,198 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7742 states, 4501 states have (on average 1.2626083092646079) internal successors, (5683), 4641 states have internal predecessors, (5683), 2534 states have call successors, (2534), 707 states have call predecessors, (2534), 706 states have return successors, (2558), 2509 states have call predecessors, (2558), 2533 states have call successors, (2558) [2022-11-03 03:46:39,234 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7742 states to 7742 states and 10775 transitions. [2022-11-03 03:46:39,235 INFO L78 Accepts]: Start accepts. Automaton has 7742 states and 10775 transitions. Word has length 124 [2022-11-03 03:46:39,236 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 03:46:39,236 INFO L495 AbstractCegarLoop]: Abstraction has 7742 states and 10775 transitions. [2022-11-03 03:46:39,237 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 16.666666666666668) internal successors, (50), 3 states have internal predecessors, (50), 3 states have call successors, (23), 3 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 03:46:39,237 INFO L276 IsEmpty]: Start isEmpty. Operand 7742 states and 10775 transitions. [2022-11-03 03:46:39,258 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2022-11-03 03:46:39,258 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 03:46:39,258 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 03:46:39,258 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-11-03 03:46:39,259 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 03:46:39,259 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 03:46:39,259 INFO L85 PathProgramCache]: Analyzing trace with hash 680065949, now seen corresponding path program 1 times [2022-11-03 03:46:39,259 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 03:46:39,260 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2053403223] [2022-11-03 03:46:39,260 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 03:46:39,260 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 03:46:39,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 03:46:39,537 INFO L134 CoverageAnalysis]: Checked inductivity of 77 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 75 trivial. 0 not checked. [2022-11-03 03:46:39,538 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 03:46:39,538 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2053403223] [2022-11-03 03:46:39,538 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2053403223] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 03:46:39,538 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 03:46:39,538 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-03 03:46:39,539 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [53664942] [2022-11-03 03:46:39,539 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 03:46:39,539 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-03 03:46:39,539 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 03:46:39,540 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-03 03:46:39,540 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-03 03:46:39,540 INFO L87 Difference]: Start difference. First operand 7742 states and 10775 transitions. Second operand has 3 states, 3 states have (on average 22.666666666666668) internal successors, (68), 3 states have internal predecessors, (68), 2 states have call successors, (24), 2 states have call predecessors, (24), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2022-11-03 03:46:41,863 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 03:46:43,703 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 03:46:43,703 INFO L93 Difference]: Finished difference Result 20146 states and 27886 transitions. [2022-11-03 03:46:43,704 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-03 03:46:43,704 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 22.666666666666668) internal successors, (68), 3 states have internal predecessors, (68), 2 states have call successors, (24), 2 states have call predecessors, (24), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) Word has length 143 [2022-11-03 03:46:43,705 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 03:46:43,774 INFO L225 Difference]: With dead ends: 20146 [2022-11-03 03:46:43,775 INFO L226 Difference]: Without dead ends: 12420 [2022-11-03 03:46:43,807 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 03:46:43,808 INFO L413 NwaCegarLoop]: 1626 mSDtfsCounter, 1003 mSDsluCounter, 1443 mSDsCounter, 0 mSdLazyCounter, 368 mSolverCounterSat, 7 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1003 SdHoareTripleChecker+Valid, 2930 SdHoareTripleChecker+Invalid, 376 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 368 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.7s IncrementalHoareTripleChecker+Time [2022-11-03 03:46:43,808 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1003 Valid, 2930 Invalid, 376 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 368 Invalid, 1 Unknown, 0 Unchecked, 3.7s Time] [2022-11-03 03:46:43,825 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12420 states. [2022-11-03 03:46:44,708 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12420 to 12403. [2022-11-03 03:46:44,724 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12403 states, 7245 states have (on average 1.2608695652173914) internal successors, (9135), 7484 states have internal predecessors, (9135), 3969 states have call successors, (3969), 1183 states have call predecessors, (3969), 1188 states have return successors, (4006), 3924 states have call predecessors, (4006), 3968 states have call successors, (4006) [2022-11-03 03:46:44,779 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12403 states to 12403 states and 17110 transitions. [2022-11-03 03:46:44,782 INFO L78 Accepts]: Start accepts. Automaton has 12403 states and 17110 transitions. Word has length 143 [2022-11-03 03:46:44,785 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 03:46:44,785 INFO L495 AbstractCegarLoop]: Abstraction has 12403 states and 17110 transitions. [2022-11-03 03:46:44,785 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 22.666666666666668) internal successors, (68), 3 states have internal predecessors, (68), 2 states have call successors, (24), 2 states have call predecessors, (24), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2022-11-03 03:46:44,785 INFO L276 IsEmpty]: Start isEmpty. Operand 12403 states and 17110 transitions. [2022-11-03 03:46:44,792 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 147 [2022-11-03 03:46:44,792 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 03:46:44,793 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 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] [2022-11-03 03:46:44,793 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-11-03 03:46:44,793 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 03:46:44,794 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 03:46:44,794 INFO L85 PathProgramCache]: Analyzing trace with hash 1668267233, now seen corresponding path program 1 times [2022-11-03 03:46:44,794 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 03:46:44,794 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1935814494] [2022-11-03 03:46:44,795 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 03:46:44,795 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 03:46:44,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 03:46:45,467 INFO L134 CoverageAnalysis]: Checked inductivity of 97 backedges. 18 proven. 8 refuted. 0 times theorem prover too weak. 71 trivial. 0 not checked. [2022-11-03 03:46:45,467 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 03:46:45,467 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1935814494] [2022-11-03 03:46:45,468 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1935814494] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-03 03:46:45,468 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [955168380] [2022-11-03 03:46:45,468 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 03:46:45,468 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-03 03:46:45,468 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0ddf810-cf18-4355-abe0-ae2f8d78d897/bin/utaipan-7li7fVZpFI/z3 [2022-11-03 03:46:45,469 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0ddf810-cf18-4355-abe0-ae2f8d78d897/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-03 03:46:45,490 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0ddf810-cf18-4355-abe0-ae2f8d78d897/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2022-11-03 03:46:46,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 03:46:46,533 INFO L263 TraceCheckSpWp]: Trace formula consists of 2345 conjuncts, 12 conjunts are in the unsatisfiable core [2022-11-03 03:46:46,539 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 03:46:46,773 INFO L134 CoverageAnalysis]: Checked inductivity of 97 backedges. 14 proven. 7 refuted. 0 times theorem prover too weak. 76 trivial. 0 not checked. [2022-11-03 03:46:46,773 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-03 03:46:47,319 INFO L134 CoverageAnalysis]: Checked inductivity of 97 backedges. 17 proven. 3 refuted. 0 times theorem prover too weak. 77 trivial. 0 not checked. [2022-11-03 03:46:47,319 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [955168380] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-03 03:46:47,319 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [2126648728] [2022-11-03 03:46:47,352 INFO L159 IcfgInterpreter]: Started Sifa with 89 locations of interest [2022-11-03 03:46:47,352 INFO L166 IcfgInterpreter]: Building call graph [2022-11-03 03:46:47,358 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-03 03:46:47,365 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-03 03:46:47,366 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-03 03:46:49,904 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:46:49,906 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:46:49,936 INFO L244 Elim1Store]: Index analysis took 186 ms [2022-11-03 03:46:54,417 INFO L356 Elim1Store]: treesize reduction 1114, result has 31.7 percent of original size [2022-11-03 03:46:54,418 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 47 select indices, 47 select index equivalence classes, 1085 disjoint index pairs (out of 1081 index pairs), introduced 47 new quantified variables, introduced 47 case distinctions, treesize of input 245 treesize of output 667 [2022-11-03 03:46:55,720 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:46:55,789 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:46:55,808 INFO L244 Elim1Store]: Index analysis took 340 ms [2022-11-03 03:47:03,124 WARN L234 SmtUtils]: Spent 7.29s on a formula simplification. DAG size of input: 751 DAG size of output: 375 (called from [L 353] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2022-11-03 03:47:03,127 INFO L356 Elim1Store]: treesize reduction 1770, result has 25.4 percent of original size [2022-11-03 03:47:03,128 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 50 select indices, 50 select index equivalence classes, 1132 disjoint index pairs (out of 1225 index pairs), introduced 50 new quantified variables, introduced 141 case distinctions, treesize of input 264 treesize of output 773 [2022-11-03 03:47:03,935 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 10 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 26 [2022-11-03 03:47:04,178 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 10 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 26 [2022-11-03 03:47:04,405 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 10 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 26 [2022-11-03 03:47:04,560 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 10 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 26 [2022-11-03 03:47:04,689 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 10 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 26 [2022-11-03 03:47:04,867 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 10 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 26 [2022-11-03 03:47:04,969 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 10 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 26 [2022-11-03 03:47:09,714 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 03:47:09,719 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 03:47:09,728 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 03:47:12,507 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:47:12,510 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:47:12,512 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:47:12,515 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:47:12,517 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:47:12,521 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:47:12,524 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:47:12,527 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:47:12,530 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:47:12,533 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:47:12,536 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:47:12,538 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:47:12,541 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:47:12,544 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:47:12,546 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:47:12,548 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:47:12,551 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:47:12,553 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:47:12,555 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:47:12,558 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:47:12,560 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:47:12,562 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:47:12,565 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:47:12,568 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:47:12,570 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:47:12,572 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:47:12,575 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:47:12,577 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:47:12,579 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:47:12,582 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:47:12,584 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:47:12,586 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:47:12,588 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:47:12,591 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:47:12,593 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:47:12,595 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:47:12,597 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:47:12,599 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:47:12,601 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:47:12,603 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:47:12,605 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:47:12,607 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:47:12,610 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:47:12,611 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:47:12,614 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:47:12,615 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:47:12,617 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:47:12,619 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:47:12,621 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:47:12,623 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:47:12,624 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:47:12,626 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:47:12,628 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:47:12,630 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:47:12,631 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:47:12,633 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:47:12,635 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:47:12,637 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:47:12,638 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:47:12,640 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:47:12,642 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:47:12,643 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:47:12,645 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:47:12,647 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:47:12,652 INFO L244 Elim1Store]: Index analysis took 148 ms [2022-11-03 03:47:12,675 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 118 select indices, 118 select index equivalence classes, 1207 disjoint index pairs (out of 6903 index pairs), introduced 118 new quantified variables, introduced 0 case distinctions, treesize of input 969 treesize of output 355 [2022-11-03 03:47:13,140 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:47:13,142 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:47:13,150 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 50 select indices, 50 select index equivalence classes, 1225 disjoint index pairs (out of 1225 index pairs), introduced 50 new quantified variables, introduced 0 case distinctions, treesize of input 251 treesize of output 151 [2022-11-03 03:47:13,703 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:47:13,706 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:47:13,713 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 49 select indices, 49 select index equivalence classes, 1178 disjoint index pairs (out of 1176 index pairs), introduced 49 new quantified variables, introduced 0 case distinctions, treesize of input 246 treesize of output 148 [2022-11-03 03:47:20,464 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:47:20,466 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:47:20,468 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:47:20,470 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:47:20,473 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:47:20,475 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:47:20,477 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:47:20,479 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:47:20,481 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:47:20,484 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:47:20,487 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:47:20,489 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:47:20,492 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:47:20,494 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:47:20,496 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:47:20,498 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:47:20,500 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:47:20,501 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:47:20,503 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:47:20,505 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:47:20,507 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:47:20,509 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:47:20,511 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:47:20,513 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:47:20,515 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:47:20,517 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:47:20,519 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:47:20,522 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:47:20,524 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:47:20,526 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:47:20,528 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:47:20,531 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:47:20,533 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:47:20,535 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:47:20,538 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:47:20,540 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:47:20,542 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:47:20,544 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:47:20,546 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:47:20,549 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:47:20,551 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:47:20,553 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:47:20,555 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:47:20,557 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:47:20,559 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:47:20,561 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:47:20,564 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:47:20,566 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:47:20,568 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:47:20,570 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:47:20,572 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:47:20,574 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:47:20,576 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:47:20,578 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:47:20,580 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:47:20,582 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:47:20,584 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:47:20,586 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:47:20,588 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:47:20,589 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:47:20,591 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:47:20,593 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:47:20,595 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:47:20,597 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:47:20,599 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:47:20,601 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:47:20,603 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:47:20,604 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:47:20,606 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:47:20,608 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:47:20,614 INFO L244 Elim1Store]: Index analysis took 151 ms [2022-11-03 03:47:20,631 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 118 select indices, 118 select index equivalence classes, 1207 disjoint index pairs (out of 6903 index pairs), introduced 118 new quantified variables, introduced 0 case distinctions, treesize of input 969 treesize of output 355 [2022-11-03 03:47:21,065 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:47:21,067 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:47:21,077 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 50 select indices, 50 select index equivalence classes, 1225 disjoint index pairs (out of 1225 index pairs), introduced 50 new quantified variables, introduced 0 case distinctions, treesize of input 251 treesize of output 151 [2022-11-03 03:47:21,442 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:47:21,444 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:47:21,455 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 49 select indices, 49 select index equivalence classes, 1178 disjoint index pairs (out of 1176 index pairs), introduced 49 new quantified variables, introduced 0 case distinctions, treesize of input 246 treesize of output 148 [2022-11-03 03:47:57,098 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 03:47:57,476 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 03:47:57,617 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 03:47:58,458 WARN L234 Elim1Store]: Array PQE input equivalent to false [2022-11-03 03:47:58,484 WARN L234 Elim1Store]: Array PQE input equivalent to false [2022-11-03 03:47:58,493 WARN L234 Elim1Store]: Array PQE input equivalent to false [2022-11-03 03:48:26,156 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 03:48:26,411 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 03:48:26,747 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 03:48:27,511 WARN L234 Elim1Store]: Array PQE input equivalent to false [2022-11-03 03:48:27,531 WARN L234 Elim1Store]: Array PQE input equivalent to false [2022-11-03 03:48:27,555 WARN L234 Elim1Store]: Array PQE input equivalent to false [2022-11-03 03:49:00,246 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 03:49:00,412 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 03:49:00,878 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 03:49:01,580 WARN L234 Elim1Store]: Array PQE input equivalent to false [2022-11-03 03:49:01,591 WARN L234 Elim1Store]: Array PQE input equivalent to false [2022-11-03 03:49:01,630 WARN L234 Elim1Store]: Array PQE input equivalent to false [2022-11-03 03:49:33,938 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 03:49:34,388 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 03:49:34,478 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 03:49:35,269 WARN L234 Elim1Store]: Array PQE input equivalent to false [2022-11-03 03:49:35,306 WARN L234 Elim1Store]: Array PQE input equivalent to false [2022-11-03 03:49:35,309 WARN L234 Elim1Store]: Array PQE input equivalent to false [2022-11-03 03:50:12,452 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 03:50:12,635 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 03:50:12,758 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 03:50:13,906 WARN L234 Elim1Store]: Array PQE input equivalent to false [2022-11-03 03:50:13,921 WARN L234 Elim1Store]: Array PQE input equivalent to false [2022-11-03 03:50:13,930 WARN L234 Elim1Store]: Array PQE input equivalent to false [2022-11-03 03:50:47,718 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 03:50:47,888 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 03:50:48,021 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 03:50:49,182 WARN L234 Elim1Store]: Array PQE input equivalent to false [2022-11-03 03:50:49,199 WARN L234 Elim1Store]: Array PQE input equivalent to false [2022-11-03 03:50:49,207 WARN L234 Elim1Store]: Array PQE input equivalent to false [2022-11-03 03:54:23,814 INFO L197 IcfgInterpreter]: Interpreting procedure ldv_memset with input of size 1302 for LOIs [2022-11-03 03:54:27,306 INFO L197 IcfgInterpreter]: Interpreting procedure ldv_init_zalloc with input of size 2046 for LOIs [2022-11-03 03:54:32,750 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 03:54:35,419 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 03:54:43,820 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:54:43,823 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:54:43,826 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:54:43,829 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:54:43,832 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:54:43,836 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:54:43,839 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:54:43,842 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:54:43,845 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:54:43,848 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:54:43,851 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:54:43,854 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:54:43,857 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:54:43,860 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:54:43,863 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:54:43,866 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:54:43,869 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:54:43,872 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:54:43,875 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:54:43,878 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:54:43,881 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:54:43,884 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:54:43,887 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:54:43,890 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:54:43,893 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:54:43,896 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:54:43,899 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:54:43,902 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:54:43,905 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:54:43,908 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:54:43,911 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:54:43,914 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:54:43,917 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:54:43,920 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:54:43,923 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:54:43,926 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:54:43,930 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:54:43,933 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:54:43,936 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:54:43,939 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:54:43,943 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:54:43,946 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:54:43,949 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:54:43,952 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:54:43,955 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:54:43,959 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:54:43,962 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:54:43,965 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:54:43,968 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:54:43,972 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:54:43,975 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:54:43,976 INFO L244 Elim1Store]: Index analysis took 158 ms [2022-11-03 03:54:44,228 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 49 select indices, 49 select index equivalence classes, 1228 disjoint index pairs (out of 1176 index pairs), introduced 49 new quantified variables, introduced 0 case distinctions, treesize of input 252 treesize of output 398 [2022-11-03 03:54:44,829 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:54:44,831 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:54:44,833 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:54:44,835 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:54:44,837 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:54:44,839 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:54:44,840 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:54:44,842 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:54:44,843 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:54:44,845 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:54:44,846 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:54:44,847 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:54:44,849 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:54:44,850 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:54:44,852 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:54:44,853 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:54:44,854 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:54:44,856 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:54:44,857 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:54:44,859 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:54:44,860 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:54:44,862 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:54:44,863 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:54:44,864 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:54:44,866 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:54:44,867 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:54:44,868 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:54:44,870 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:54:44,873 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:54:44,880 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:54:44,883 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:54:44,885 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:54:44,886 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:54:44,889 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:54:44,892 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:54:44,893 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:54:44,896 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:54:44,898 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:54:44,902 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:54:44,904 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:54:44,908 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:54:44,910 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:54:44,911 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:54:44,914 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:54:44,917 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:54:44,919 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:54:44,922 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:54:44,925 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:54:44,928 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:54:44,931 INFO L244 Elim1Store]: Index analysis took 103 ms [2022-11-03 03:54:45,162 INFO L356 Elim1Store]: treesize reduction 36, result has 34.5 percent of original size [2022-11-03 03:54:45,163 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 51 select indices, 51 select index equivalence classes, 1273 disjoint index pairs (out of 1275 index pairs), introduced 51 new quantified variables, introduced 4 case distinctions, treesize of input 262 treesize of output 417 [2022-11-03 03:54:59,122 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:54:59,125 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:54:59,128 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:54:59,132 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:54:59,135 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:54:59,138 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:54:59,142 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:54:59,145 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:54:59,148 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:54:59,151 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:54:59,154 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:54:59,157 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:54:59,160 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:54:59,164 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:54:59,167 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:54:59,170 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:54:59,173 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:54:59,177 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:54:59,181 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:54:59,185 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:54:59,189 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:54:59,193 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:54:59,197 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:54:59,200 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:54:59,204 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:54:59,207 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:54:59,210 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:54:59,213 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:54:59,216 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:54:59,219 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:54:59,222 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:54:59,225 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:54:59,228 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:54:59,231 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:54:59,234 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:54:59,237 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:54:59,240 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:54:59,243 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:54:59,246 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:54:59,249 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:54:59,252 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:54:59,254 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:54:59,257 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:54:59,260 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:54:59,263 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:54:59,266 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:54:59,269 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:54:59,272 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:54:59,275 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:54:59,278 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:54:59,281 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:54:59,282 INFO L244 Elim1Store]: Index analysis took 163 ms [2022-11-03 03:54:59,520 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 49 select indices, 49 select index equivalence classes, 1228 disjoint index pairs (out of 1176 index pairs), introduced 49 new quantified variables, introduced 0 case distinctions, treesize of input 252 treesize of output 398 [2022-11-03 03:54:59,925 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:54:59,926 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:54:59,930 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:54:59,945 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:54:59,946 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:54:59,947 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:54:59,953 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:54:59,957 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:54:59,958 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:54:59,962 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:54:59,964 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:54:59,965 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:54:59,978 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:54:59,980 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:54:59,986 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:55:01,666 INFO L356 Elim1Store]: treesize reduction 648, result has 33.4 percent of original size [2022-11-03 03:55:01,667 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 51 select indices, 51 select index equivalence classes, 1239 disjoint index pairs (out of 1275 index pairs), introduced 51 new quantified variables, introduced 72 case distinctions, treesize of input 262 treesize of output 553 [2022-11-03 03:55:19,516 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:55:19,517 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:55:19,519 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:55:19,520 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:55:19,521 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:55:19,523 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:55:19,524 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:55:19,525 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:55:19,526 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:55:19,528 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:55:19,529 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:55:19,531 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:55:19,532 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:55:19,533 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:55:19,535 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:55:19,536 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:55:19,538 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:55:19,539 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:55:19,540 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:55:19,542 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:55:19,543 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:55:19,544 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:55:19,545 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:55:19,547 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:55:19,548 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:55:19,549 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:55:19,551 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:55:19,552 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:55:19,553 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:55:19,555 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:55:19,556 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:55:19,558 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:55:19,559 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:55:19,561 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:55:19,562 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:55:19,563 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:55:19,565 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:55:19,566 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:55:19,567 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:55:19,569 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:55:19,570 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:55:19,572 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:55:19,573 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:55:19,574 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:55:19,576 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:55:19,577 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:55:19,578 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:55:19,580 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:55:19,581 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:55:19,582 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:55:19,584 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:55:19,664 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 49 select indices, 49 select index equivalence classes, 1228 disjoint index pairs (out of 1176 index pairs), introduced 49 new quantified variables, introduced 0 case distinctions, treesize of input 252 treesize of output 398 [2022-11-03 03:55:20,097 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:55:20,105 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:55:20,107 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:55:20,108 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:55:20,110 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:55:20,113 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:55:20,115 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:55:20,121 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:55:20,123 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:55:20,125 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:55:20,134 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:55:20,136 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:55:20,140 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:55:20,142 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:55:20,149 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:55:20,150 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:55:20,157 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:55:20,160 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:55:20,165 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:55:20,166 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:55:20,169 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:55:20,173 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:55:20,175 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:55:20,176 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:55:21,471 INFO L356 Elim1Store]: treesize reduction 486, result has 33.4 percent of original size [2022-11-03 03:55:21,472 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 51 select indices, 51 select index equivalence classes, 1248 disjoint index pairs (out of 1275 index pairs), introduced 51 new quantified variables, introduced 54 case distinctions, treesize of input 262 treesize of output 517 [2022-11-03 03:55:23,361 INFO L197 IcfgInterpreter]: Interpreting procedure #Ultimate.meminit with input of size 2110 for LOIs [2022-11-03 03:55:30,370 INFO L197 IcfgInterpreter]: Interpreting procedure assume_abort_if_not with input of size 148 for LOIs [2022-11-03 03:55:30,404 INFO L180 IcfgInterpreter]: Interpretation finished [2022-11-03 03:56:23,384 WARN L234 SmtUtils]: Spent 52.29s on a formula simplification. DAG size of input: 1901 DAG size of output: 1737 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-03 03:57:26,683 WARN L234 SmtUtils]: Spent 1.03m on a formula simplification. DAG size of input: 2046 DAG size of output: 1912 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-03 03:58:38,158 WARN L234 SmtUtils]: Spent 1.16m on a formula simplification. DAG size of input: 2062 DAG size of output: 1929 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate)