./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/uthash-2.0.2/uthash_BER_test2-2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 8393723b Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be0626eb-0898-4558-8d93-50cef391ee2c/bin/utaipan-I9t0OCRTmS/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be0626eb-0898-4558-8d93-50cef391ee2c/bin/utaipan-I9t0OCRTmS/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be0626eb-0898-4558-8d93-50cef391ee2c/bin/utaipan-I9t0OCRTmS/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be0626eb-0898-4558-8d93-50cef391ee2c/bin/utaipan-I9t0OCRTmS/config/TaipanReach.xml -i ../../sv-benchmarks/c/uthash-2.0.2/uthash_BER_test2-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be0626eb-0898-4558-8d93-50cef391ee2c/bin/utaipan-I9t0OCRTmS/config/svcomp-Overflow-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be0626eb-0898-4558-8d93-50cef391ee2c/bin/utaipan-I9t0OCRTmS --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 5b41ff920513b74db566933dfdd7430dbdb0b5764645b98d18d29abf93fb4135 --- 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-8393723 [2022-11-19 06:41:34,489 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-19 06:41:34,491 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-19 06:41:34,523 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-19 06:41:34,524 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-19 06:41:34,528 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-19 06:41:34,531 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-19 06:41:34,535 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-19 06:41:34,537 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-19 06:41:34,542 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-19 06:41:34,543 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-19 06:41:34,544 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-19 06:41:34,544 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-19 06:41:34,545 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-19 06:41:34,546 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-19 06:41:34,547 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-19 06:41:34,547 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-19 06:41:34,548 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-19 06:41:34,550 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-19 06:41:34,560 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-19 06:41:34,562 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-19 06:41:34,564 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-19 06:41:34,567 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-19 06:41:34,568 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-19 06:41:34,577 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-19 06:41:34,577 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-19 06:41:34,578 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-19 06:41:34,579 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-19 06:41:34,580 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-19 06:41:34,581 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-19 06:41:34,582 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-19 06:41:34,583 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-19 06:41:34,584 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-19 06:41:34,586 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-19 06:41:34,587 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-19 06:41:34,587 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-19 06:41:34,588 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-19 06:41:34,588 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-19 06:41:34,588 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-19 06:41:34,589 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-19 06:41:34,590 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-19 06:41:34,592 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be0626eb-0898-4558-8d93-50cef391ee2c/bin/utaipan-I9t0OCRTmS/config/svcomp-Overflow-32bit-Taipan_Default.epf [2022-11-19 06:41:34,628 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-19 06:41:34,633 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-19 06:41:34,633 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-19 06:41:34,634 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-19 06:41:34,634 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-19 06:41:34,635 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-19 06:41:34,635 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-19 06:41:34,635 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-19 06:41:34,635 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-19 06:41:34,636 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-19 06:41:34,637 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-19 06:41:34,637 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-19 06:41:34,637 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-19 06:41:34,637 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-19 06:41:34,637 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-19 06:41:34,638 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-19 06:41:34,638 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-19 06:41:34,638 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-19 06:41:34,639 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-19 06:41:34,639 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-19 06:41:34,639 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-19 06:41:34,639 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-19 06:41:34,640 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-19 06:41:34,641 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-19 06:41:34,641 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-19 06:41:34,642 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-19 06:41:34,642 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-19 06:41:34,642 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-19 06:41:34,642 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-19 06:41:34,642 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-19 06:41:34,643 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-19 06:41:34,643 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-19 06:41:34,643 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-19 06:41:34,643 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-19 06:41:34,644 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-19 06:41:34,644 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-19 06:41:34,644 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-19 06:41:34,644 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-19 06:41:34,645 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-19 06:41:34,645 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-19 06:41:34,645 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-19 06:41:34,645 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-19 06:41:34,645 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-19 06:41:34,646 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_be0626eb-0898-4558-8d93-50cef391ee2c/bin/utaipan-I9t0OCRTmS/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be0626eb-0898-4558-8d93-50cef391ee2c/bin/utaipan-I9t0OCRTmS Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5b41ff920513b74db566933dfdd7430dbdb0b5764645b98d18d29abf93fb4135 [2022-11-19 06:41:34,939 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-19 06:41:34,961 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-19 06:41:34,964 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-19 06:41:34,965 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-19 06:41:34,966 INFO L275 PluginConnector]: CDTParser initialized [2022-11-19 06:41:34,967 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be0626eb-0898-4558-8d93-50cef391ee2c/bin/utaipan-I9t0OCRTmS/../../sv-benchmarks/c/uthash-2.0.2/uthash_BER_test2-2.i [2022-11-19 06:41:35,041 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be0626eb-0898-4558-8d93-50cef391ee2c/bin/utaipan-I9t0OCRTmS/data/3cdb73315/a13f47243b2d4012b6f422f39f764de5/FLAG7b69e335e [2022-11-19 06:41:35,788 INFO L306 CDTParser]: Found 1 translation units. [2022-11-19 06:41:35,792 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be0626eb-0898-4558-8d93-50cef391ee2c/sv-benchmarks/c/uthash-2.0.2/uthash_BER_test2-2.i [2022-11-19 06:41:35,814 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be0626eb-0898-4558-8d93-50cef391ee2c/bin/utaipan-I9t0OCRTmS/data/3cdb73315/a13f47243b2d4012b6f422f39f764de5/FLAG7b69e335e [2022-11-19 06:41:35,977 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be0626eb-0898-4558-8d93-50cef391ee2c/bin/utaipan-I9t0OCRTmS/data/3cdb73315/a13f47243b2d4012b6f422f39f764de5 [2022-11-19 06:41:35,980 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-19 06:41:35,981 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-19 06:41:35,983 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-19 06:41:35,983 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-19 06:41:35,987 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-19 06:41:35,988 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 06:41:35" (1/1) ... [2022-11-19 06:41:35,989 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@33263e82 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:41:35, skipping insertion in model container [2022-11-19 06:41:35,989 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 06:41:35" (1/1) ... [2022-11-19 06:41:35,997 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-19 06:41:36,045 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-19 06:41:36,491 WARN L234 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_be0626eb-0898-4558-8d93-50cef391ee2c/sv-benchmarks/c/uthash-2.0.2/uthash_BER_test2-2.i[37019,37032] [2022-11-19 06:41:36,570 WARN L234 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_be0626eb-0898-4558-8d93-50cef391ee2c/sv-benchmarks/c/uthash-2.0.2/uthash_BER_test2-2.i[47352,47365] [2022-11-19 06:41:36,587 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-19 06:41:36,606 INFO L203 MainTranslator]: Completed pre-run [2022-11-19 06:41:36,659 WARN L234 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_be0626eb-0898-4558-8d93-50cef391ee2c/sv-benchmarks/c/uthash-2.0.2/uthash_BER_test2-2.i[37019,37032] [2022-11-19 06:41:36,741 WARN L234 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_be0626eb-0898-4558-8d93-50cef391ee2c/sv-benchmarks/c/uthash-2.0.2/uthash_BER_test2-2.i[47352,47365] [2022-11-19 06:41:36,751 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-19 06:41:36,798 INFO L208 MainTranslator]: Completed translation [2022-11-19 06:41:36,799 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:41:36 WrapperNode [2022-11-19 06:41:36,799 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-19 06:41:36,800 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-19 06:41:36,800 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-19 06:41:36,801 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-19 06:41:36,808 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:41:36" (1/1) ... [2022-11-19 06:41:36,869 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:41:36" (1/1) ... [2022-11-19 06:41:36,928 INFO L138 Inliner]: procedures = 208, calls = 286, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 1043 [2022-11-19 06:41:36,929 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-19 06:41:36,929 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-19 06:41:36,929 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-19 06:41:36,930 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-19 06:41:36,939 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:41:36" (1/1) ... [2022-11-19 06:41:36,939 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:41:36" (1/1) ... [2022-11-19 06:41:36,947 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:41:36" (1/1) ... [2022-11-19 06:41:36,948 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:41:36" (1/1) ... [2022-11-19 06:41:36,983 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:41:36" (1/1) ... [2022-11-19 06:41:36,994 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:41:36" (1/1) ... [2022-11-19 06:41:36,997 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:41:36" (1/1) ... [2022-11-19 06:41:37,001 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:41:36" (1/1) ... [2022-11-19 06:41:37,008 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-19 06:41:37,009 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-19 06:41:37,010 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-19 06:41:37,010 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-19 06:41:37,011 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:41:36" (1/1) ... [2022-11-19 06:41:37,017 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-19 06:41:37,072 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be0626eb-0898-4558-8d93-50cef391ee2c/bin/utaipan-I9t0OCRTmS/z3 [2022-11-19 06:41:37,087 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be0626eb-0898-4558-8d93-50cef391ee2c/bin/utaipan-I9t0OCRTmS/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-19 06:41:37,113 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be0626eb-0898-4558-8d93-50cef391ee2c/bin/utaipan-I9t0OCRTmS/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-19 06:41:37,163 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-11-19 06:41:37,164 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-11-19 06:41:37,164 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-19 06:41:37,164 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2022-11-19 06:41:37,165 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-19 06:41:37,165 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-19 06:41:37,165 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-19 06:41:37,165 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2022-11-19 06:41:37,166 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2022-11-19 06:41:37,166 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-19 06:41:37,166 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-19 06:41:37,170 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-19 06:41:37,171 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-19 06:41:37,171 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-19 06:41:37,171 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-19 06:41:37,171 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-19 06:41:37,425 INFO L235 CfgBuilder]: Building ICFG [2022-11-19 06:41:37,427 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-19 06:41:39,275 INFO L276 CfgBuilder]: Performing block encoding [2022-11-19 06:41:39,759 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-19 06:41:39,759 INFO L300 CfgBuilder]: Removed 63 assume(true) statements. [2022-11-19 06:41:39,762 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 06:41:39 BoogieIcfgContainer [2022-11-19 06:41:39,762 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-19 06:41:39,765 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-19 06:41:39,766 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-19 06:41:39,769 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-19 06:41:39,770 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 06:41:35" (1/3) ... [2022-11-19 06:41:39,771 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@28882d8d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 06:41:39, skipping insertion in model container [2022-11-19 06:41:39,771 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:41:36" (2/3) ... [2022-11-19 06:41:39,771 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@28882d8d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 06:41:39, skipping insertion in model container [2022-11-19 06:41:39,771 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 06:41:39" (3/3) ... [2022-11-19 06:41:39,773 INFO L112 eAbstractionObserver]: Analyzing ICFG uthash_BER_test2-2.i [2022-11-19 06:41:39,793 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-19 06:41:39,793 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 8 error locations. [2022-11-19 06:41:39,847 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-19 06:41:39,854 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;@e5b5aa4, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-19 06:41:39,855 INFO L358 AbstractCegarLoop]: Starting to check reachability of 8 error locations. [2022-11-19 06:41:39,859 INFO L276 IsEmpty]: Start isEmpty. Operand has 133 states, 114 states have (on average 1.8157894736842106) internal successors, (207), 127 states have internal predecessors, (207), 8 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 4 states have call predecessors, (8), 8 states have call successors, (8) [2022-11-19 06:41:39,865 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2022-11-19 06:41:39,866 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 06:41:39,866 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1] [2022-11-19 06:41:39,867 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-11-19 06:41:39,872 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 06:41:39,873 INFO L85 PathProgramCache]: Analyzing trace with hash 26494797, now seen corresponding path program 1 times [2022-11-19 06:41:39,883 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 06:41:39,884 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2037131746] [2022-11-19 06:41:39,884 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 06:41:39,884 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 06:41:40,010 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-19 06:41:40,011 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1813412535] [2022-11-19 06:41:40,011 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 06:41:40,011 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-19 06:41:40,012 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be0626eb-0898-4558-8d93-50cef391ee2c/bin/utaipan-I9t0OCRTmS/z3 [2022-11-19 06:41:40,019 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be0626eb-0898-4558-8d93-50cef391ee2c/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-19 06:41:40,042 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be0626eb-0898-4558-8d93-50cef391ee2c/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-11-19 06:41:40,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 06:41:40,239 INFO L263 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 13 conjunts are in the unsatisfiable core [2022-11-19 06:41:40,247 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-19 06:41:40,327 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 6 treesize of output 5 [2022-11-19 06:41:40,337 INFO L350 Elim1Store]: Elim1 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 11 treesize of output 7 [2022-11-19 06:41:40,395 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:41:40,398 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 7 [2022-11-19 06:41:40,419 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-19 06:41:40,420 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-19 06:41:40,420 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 06:41:40,420 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2037131746] [2022-11-19 06:41:40,421 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-19 06:41:40,421 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1813412535] [2022-11-19 06:41:40,421 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1813412535] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 06:41:40,422 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 06:41:40,422 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-19 06:41:40,424 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1559623285] [2022-11-19 06:41:40,431 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 06:41:40,435 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-19 06:41:40,436 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 06:41:40,466 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-19 06:41:40,467 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-19 06:41:40,470 INFO L87 Difference]: Start difference. First operand has 133 states, 114 states have (on average 1.8157894736842106) internal successors, (207), 127 states have internal predecessors, (207), 8 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 4 states have call predecessors, (8), 8 states have call successors, (8) Second operand has 4 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-19 06:41:42,020 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 06:41:42,021 INFO L93 Difference]: Finished difference Result 339 states and 578 transitions. [2022-11-19 06:41:42,025 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-19 06:41:42,026 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 4 [2022-11-19 06:41:42,026 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 06:41:42,035 INFO L225 Difference]: With dead ends: 339 [2022-11-19 06:41:42,036 INFO L226 Difference]: Without dead ends: 187 [2022-11-19 06:41:42,039 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-19 06:41:42,042 INFO L413 NwaCegarLoop]: 130 mSDtfsCounter, 78 mSDsluCounter, 230 mSDsCounter, 0 mSdLazyCounter, 132 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 83 SdHoareTripleChecker+Valid, 360 SdHoareTripleChecker+Invalid, 136 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 132 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2022-11-19 06:41:42,043 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [83 Valid, 360 Invalid, 136 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 132 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2022-11-19 06:41:42,061 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 187 states. [2022-11-19 06:41:42,088 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 187 to 121. [2022-11-19 06:41:42,089 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 121 states, 103 states have (on average 1.2718446601941749) internal successors, (131), 115 states have internal predecessors, (131), 8 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 4 states have call predecessors, (8), 8 states have call successors, (8) [2022-11-19 06:41:42,091 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 121 states to 121 states and 147 transitions. [2022-11-19 06:41:42,092 INFO L78 Accepts]: Start accepts. Automaton has 121 states and 147 transitions. Word has length 4 [2022-11-19 06:41:42,093 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 06:41:42,093 INFO L495 AbstractCegarLoop]: Abstraction has 121 states and 147 transitions. [2022-11-19 06:41:42,093 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-19 06:41:42,093 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 147 transitions. [2022-11-19 06:41:42,095 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2022-11-19 06:41:42,095 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 06:41:42,095 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 06:41:42,107 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be0626eb-0898-4558-8d93-50cef391ee2c/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-11-19 06:41:42,301 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be0626eb-0898-4558-8d93-50cef391ee2c/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-19 06:41:42,302 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-11-19 06:41:42,303 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 06:41:42,303 INFO L85 PathProgramCache]: Analyzing trace with hash -137572903, now seen corresponding path program 1 times [2022-11-19 06:41:42,303 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 06:41:42,303 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1290912922] [2022-11-19 06:41:42,304 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 06:41:42,304 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 06:41:42,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 06:41:42,847 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-19 06:41:42,848 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 06:41:42,848 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1290912922] [2022-11-19 06:41:42,848 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1290912922] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 06:41:42,848 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 06:41:42,849 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-19 06:41:42,849 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [572034274] [2022-11-19 06:41:42,849 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 06:41:42,850 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-19 06:41:42,850 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 06:41:42,851 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-19 06:41:42,851 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-19 06:41:42,851 INFO L87 Difference]: Start difference. First operand 121 states and 147 transitions. Second operand has 4 states, 4 states have (on average 5.0) internal successors, (20), 3 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-19 06:41:44,768 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 06:41:44,768 INFO L93 Difference]: Finished difference Result 230 states and 289 transitions. [2022-11-19 06:41:44,773 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-19 06:41:44,773 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 5.0) internal successors, (20), 3 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 20 [2022-11-19 06:41:44,773 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 06:41:44,775 INFO L225 Difference]: With dead ends: 230 [2022-11-19 06:41:44,775 INFO L226 Difference]: Without dead ends: 174 [2022-11-19 06:41:44,776 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-19 06:41:44,777 INFO L413 NwaCegarLoop]: 123 mSDtfsCounter, 61 mSDsluCounter, 217 mSDsCounter, 0 mSdLazyCounter, 94 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 66 SdHoareTripleChecker+Valid, 340 SdHoareTripleChecker+Invalid, 96 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 94 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.9s IncrementalHoareTripleChecker+Time [2022-11-19 06:41:44,777 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [66 Valid, 340 Invalid, 96 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 94 Invalid, 0 Unknown, 0 Unchecked, 1.9s Time] [2022-11-19 06:41:44,778 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 174 states. [2022-11-19 06:41:44,788 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 174 to 121. [2022-11-19 06:41:44,788 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 121 states, 103 states have (on average 1.2621359223300972) internal successors, (130), 115 states have internal predecessors, (130), 8 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 4 states have call predecessors, (8), 8 states have call successors, (8) [2022-11-19 06:41:44,790 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 121 states to 121 states and 146 transitions. [2022-11-19 06:41:44,790 INFO L78 Accepts]: Start accepts. Automaton has 121 states and 146 transitions. Word has length 20 [2022-11-19 06:41:44,790 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 06:41:44,790 INFO L495 AbstractCegarLoop]: Abstraction has 121 states and 146 transitions. [2022-11-19 06:41:44,791 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 5.0) internal successors, (20), 3 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-19 06:41:44,791 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 146 transitions. [2022-11-19 06:41:44,792 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2022-11-19 06:41:44,792 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 06:41:44,792 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 06:41:44,792 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-19 06:41:44,793 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-11-19 06:41:44,793 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 06:41:44,793 INFO L85 PathProgramCache]: Analyzing trace with hash -909457075, now seen corresponding path program 1 times [2022-11-19 06:41:44,794 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 06:41:44,794 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1541925614] [2022-11-19 06:41:44,794 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 06:41:44,794 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 06:41:44,949 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-19 06:41:44,950 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1432682602] [2022-11-19 06:41:44,951 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 06:41:44,952 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-19 06:41:44,952 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be0626eb-0898-4558-8d93-50cef391ee2c/bin/utaipan-I9t0OCRTmS/z3 [2022-11-19 06:41:44,953 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be0626eb-0898-4558-8d93-50cef391ee2c/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-19 06:41:44,965 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be0626eb-0898-4558-8d93-50cef391ee2c/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-11-19 06:41:45,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 06:41:45,691 INFO L263 TraceCheckSpWp]: Trace formula consists of 1578 conjuncts, 5 conjunts are in the unsatisfiable core [2022-11-19 06:41:45,695 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-19 06:41:45,812 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-19 06:41:45,812 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-19 06:41:45,812 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 06:41:45,813 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1541925614] [2022-11-19 06:41:45,814 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-19 06:41:45,814 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1432682602] [2022-11-19 06:41:45,815 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1432682602] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 06:41:45,815 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 06:41:45,815 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-19 06:41:45,815 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1433378859] [2022-11-19 06:41:45,815 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 06:41:45,816 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-19 06:41:45,816 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 06:41:45,816 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-19 06:41:45,817 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-19 06:41:45,817 INFO L87 Difference]: Start difference. First operand 121 states and 146 transitions. Second operand has 3 states, 3 states have (on average 9.333333333333334) internal successors, (28), 2 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-19 06:41:46,710 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 06:41:46,710 INFO L93 Difference]: Finished difference Result 288 states and 352 transitions. [2022-11-19 06:41:46,720 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-19 06:41:46,720 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 9.333333333333334) internal successors, (28), 2 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 28 [2022-11-19 06:41:46,721 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 06:41:46,721 INFO L225 Difference]: With dead ends: 288 [2022-11-19 06:41:46,722 INFO L226 Difference]: Without dead ends: 172 [2022-11-19 06:41:46,722 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-19 06:41:46,723 INFO L413 NwaCegarLoop]: 147 mSDtfsCounter, 49 mSDsluCounter, 109 mSDsCounter, 0 mSdLazyCounter, 38 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 56 SdHoareTripleChecker+Valid, 256 SdHoareTripleChecker+Invalid, 41 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 38 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2022-11-19 06:41:46,724 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [56 Valid, 256 Invalid, 41 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 38 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2022-11-19 06:41:46,725 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 172 states. [2022-11-19 06:41:46,743 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 172 to 168. [2022-11-19 06:41:46,743 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 168 states, 145 states have (on average 1.2620689655172415) internal successors, (183), 162 states have internal predecessors, (183), 13 states have call successors, (13), 2 states have call predecessors, (13), 2 states have return successors, (13), 5 states have call predecessors, (13), 13 states have call successors, (13) [2022-11-19 06:41:46,745 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 168 states to 168 states and 209 transitions. [2022-11-19 06:41:46,745 INFO L78 Accepts]: Start accepts. Automaton has 168 states and 209 transitions. Word has length 28 [2022-11-19 06:41:46,745 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 06:41:46,745 INFO L495 AbstractCegarLoop]: Abstraction has 168 states and 209 transitions. [2022-11-19 06:41:46,746 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 9.333333333333334) internal successors, (28), 2 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-19 06:41:46,746 INFO L276 IsEmpty]: Start isEmpty. Operand 168 states and 209 transitions. [2022-11-19 06:41:46,747 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2022-11-19 06:41:46,747 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 06:41:46,747 INFO L195 NwaCegarLoop]: trace histogram [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] [2022-11-19 06:41:46,762 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be0626eb-0898-4558-8d93-50cef391ee2c/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-11-19 06:41:46,948 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be0626eb-0898-4558-8d93-50cef391ee2c/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-19 06:41:46,948 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-11-19 06:41:46,949 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 06:41:46,949 INFO L85 PathProgramCache]: Analyzing trace with hash 2014288859, now seen corresponding path program 1 times [2022-11-19 06:41:46,949 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 06:41:46,949 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1033181307] [2022-11-19 06:41:46,949 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 06:41:46,949 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 06:41:47,038 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-19 06:41:47,038 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1627018148] [2022-11-19 06:41:47,038 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 06:41:47,039 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-19 06:41:47,039 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be0626eb-0898-4558-8d93-50cef391ee2c/bin/utaipan-I9t0OCRTmS/z3 [2022-11-19 06:41:47,051 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be0626eb-0898-4558-8d93-50cef391ee2c/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-19 06:41:47,079 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be0626eb-0898-4558-8d93-50cef391ee2c/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-11-19 06:42:03,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 06:42:03,786 INFO L263 TraceCheckSpWp]: Trace formula consists of 715 conjuncts, 5 conjunts are in the unsatisfiable core [2022-11-19 06:42:03,790 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-19 06:42:03,819 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-19 06:42:03,819 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-19 06:42:03,820 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 06:42:03,820 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1033181307] [2022-11-19 06:42:03,820 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-19 06:42:03,821 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1627018148] [2022-11-19 06:42:03,821 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1627018148] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 06:42:03,821 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 06:42:03,822 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-19 06:42:03,822 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [919741279] [2022-11-19 06:42:03,822 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 06:42:03,823 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-19 06:42:03,825 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 06:42:03,826 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-19 06:42:03,826 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-19 06:42:03,826 INFO L87 Difference]: Start difference. First operand 168 states and 209 transitions. Second operand has 4 states, 3 states have (on average 12.333333333333334) internal successors, (37), 4 states have internal predecessors, (37), 2 states have call successors, (2), 2 states have call predecessors, (2), 2 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) [2022-11-19 06:42:04,611 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 06:42:04,611 INFO L93 Difference]: Finished difference Result 320 states and 404 transitions. [2022-11-19 06:42:04,614 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-19 06:42:04,614 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 12.333333333333334) internal successors, (37), 4 states have internal predecessors, (37), 2 states have call successors, (2), 2 states have call predecessors, (2), 2 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) Word has length 41 [2022-11-19 06:42:04,615 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 06:42:04,616 INFO L225 Difference]: With dead ends: 320 [2022-11-19 06:42:04,616 INFO L226 Difference]: Without dead ends: 170 [2022-11-19 06:42:04,617 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 38 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-19 06:42:04,618 INFO L413 NwaCegarLoop]: 127 mSDtfsCounter, 1 mSDsluCounter, 250 mSDsCounter, 0 mSdLazyCounter, 48 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 377 SdHoareTripleChecker+Invalid, 49 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 48 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2022-11-19 06:42:04,618 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 377 Invalid, 49 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 48 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2022-11-19 06:42:04,619 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 170 states. [2022-11-19 06:42:04,635 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 170 to 170. [2022-11-19 06:42:04,642 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 170 states, 146 states have (on average 1.2671232876712328) internal successors, (185), 164 states have internal predecessors, (185), 13 states have call successors, (13), 2 states have call predecessors, (13), 3 states have return successors, (14), 5 states have call predecessors, (14), 13 states have call successors, (14) [2022-11-19 06:42:04,644 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 170 states to 170 states and 212 transitions. [2022-11-19 06:42:04,644 INFO L78 Accepts]: Start accepts. Automaton has 170 states and 212 transitions. Word has length 41 [2022-11-19 06:42:04,644 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 06:42:04,645 INFO L495 AbstractCegarLoop]: Abstraction has 170 states and 212 transitions. [2022-11-19 06:42:04,645 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 12.333333333333334) internal successors, (37), 4 states have internal predecessors, (37), 2 states have call successors, (2), 2 states have call predecessors, (2), 2 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) [2022-11-19 06:42:04,645 INFO L276 IsEmpty]: Start isEmpty. Operand 170 states and 212 transitions. [2022-11-19 06:42:04,646 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2022-11-19 06:42:04,647 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 06:42:04,647 INFO L195 NwaCegarLoop]: trace histogram [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] [2022-11-19 06:42:04,672 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be0626eb-0898-4558-8d93-50cef391ee2c/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2022-11-19 06:42:04,862 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be0626eb-0898-4558-8d93-50cef391ee2c/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-19 06:42:04,863 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-11-19 06:42:04,863 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 06:42:04,863 INFO L85 PathProgramCache]: Analyzing trace with hash -119622781, now seen corresponding path program 1 times [2022-11-19 06:42:04,863 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 06:42:04,864 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1008348390] [2022-11-19 06:42:04,864 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 06:42:04,864 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 06:42:04,921 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-19 06:42:04,922 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [907580544] [2022-11-19 06:42:04,922 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 06:42:04,922 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-19 06:42:04,922 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be0626eb-0898-4558-8d93-50cef391ee2c/bin/utaipan-I9t0OCRTmS/z3 [2022-11-19 06:42:04,923 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be0626eb-0898-4558-8d93-50cef391ee2c/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-19 06:42:04,954 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be0626eb-0898-4558-8d93-50cef391ee2c/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-11-19 06:43:24,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 06:43:24,378 INFO L263 TraceCheckSpWp]: Trace formula consists of 745 conjuncts, 12 conjunts are in the unsatisfiable core [2022-11-19 06:43:24,383 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-19 06:43:24,440 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-11-19 06:43:24,440 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-19 06:43:24,597 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 5 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-11-19 06:43:24,598 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 06:43:24,598 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1008348390] [2022-11-19 06:43:24,598 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-19 06:43:24,598 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [907580544] [2022-11-19 06:43:24,599 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [907580544] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-19 06:43:24,599 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1694709958] [2022-11-19 06:43:24,625 INFO L159 IcfgInterpreter]: Started Sifa with 39 locations of interest [2022-11-19 06:43:24,625 INFO L166 IcfgInterpreter]: Building call graph [2022-11-19 06:43:24,631 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-19 06:43:24,637 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-19 06:43:24,637 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-19 06:43:24,747 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 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 15 treesize of output 1 [2022-11-19 06:43:24,756 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:43:24,758 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 28 [2022-11-19 06:43:24,769 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:43:24,784 INFO L321 Elim1Store]: treesize reduction 11, result has 45.0 percent of original size [2022-11-19 06:43:24,784 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 17 treesize of output 26 [2022-11-19 06:43:24,799 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:43:24,818 INFO L321 Elim1Store]: treesize reduction 18, result has 35.7 percent of original size [2022-11-19 06:43:24,819 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 5 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 2 case distinctions, treesize of input 27 treesize of output 37 [2022-11-19 06:43:24,835 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2022-11-19 06:43:24,884 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:43:24,887 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:43:24,906 INFO L321 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2022-11-19 06:43:24,907 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 37 treesize of output 42 [2022-11-19 06:43:24,921 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 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 15 treesize of output 1 [2022-11-19 06:43:24,934 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:43:24,935 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:43:24,972 INFO L321 Elim1Store]: treesize reduction 36, result has 34.5 percent of original size [2022-11-19 06:43:24,973 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 8 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 4 case distinctions, treesize of input 32 treesize of output 49 [2022-11-19 06:43:24,991 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2022-11-19 06:43:25,003 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:43:25,005 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:43:25,007 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 8 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 30 [2022-11-19 06:43:25,057 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1 [2022-11-19 06:43:25,065 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1 [2022-11-19 06:43:25,078 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:43:25,079 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:43:25,080 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:43:25,082 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 9 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 84 treesize of output 64 [2022-11-19 06:43:25,628 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 19 [2022-11-19 06:43:25,650 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 19 [2022-11-19 06:43:25,680 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:43:25,682 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:43:25,683 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:43:25,684 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:43:25,685 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:43:25,686 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:43:25,687 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:43:25,688 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:43:25,690 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:43:25,691 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:43:25,692 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:43:25,693 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:43:25,694 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:43:25,695 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:43:25,696 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:43:25,698 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:43:25,699 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:43:25,716 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 29 disjoint index pairs (out of 36 index pairs), introduced 8 new quantified variables, introduced 0 case distinctions, treesize of input 9896995 treesize of output 5376286 [2022-11-19 06:43:25,750 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:43:25,751 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:43:25,752 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:43:25,755 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:43:25,756 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:43:25,757 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:43:25,759 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:43:25,760 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:43:25,761 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:43:25,762 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:43:25,763 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:43:25,764 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:43:25,765 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:43:25,766 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:43:25,768 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:43:25,774 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 29 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 9896993 treesize of output 5376298 [2022-11-19 06:43:25,858 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 31 [2022-11-19 06:43:25,882 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:43:25,883 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:43:25,889 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:43:25,891 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:43:25,892 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:43:25,893 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:43:25,894 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:43:25,896 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:43:25,897 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:43:25,898 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:43:25,900 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:43:25,901 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:43:25,905 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:43:25,906 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:43:25,908 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:43:25,909 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:43:25,910 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:43:25,911 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:43:25,913 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:43:25,931 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 10 select indices, 10 select index equivalence classes, 36 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 0 case distinctions, treesize of input 8458592 treesize of output 4759837 [2022-11-19 06:43:25,964 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:43:25,965 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:43:25,966 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:43:25,967 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:43:25,969 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:43:25,970 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:43:25,971 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:43:25,972 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:43:25,973 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:43:25,974 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:43:25,975 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:43:25,976 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:43:25,978 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:43:25,979 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:43:25,980 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:43:25,982 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:43:25,984 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:43:25,985 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:43:25,986 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:43:25,989 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 10 select indices, 10 select index equivalence classes, 36 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 0 case distinctions, treesize of input 8458592 treesize of output 4759837 [2022-11-19 06:43:26,057 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 31 [2022-11-19 06:43:26,121 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 10 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 46 [2022-11-19 06:43:26,134 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:43:26,136 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:43:26,137 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:43:26,189 INFO L321 Elim1Store]: treesize reduction 48, result has 48.9 percent of original size [2022-11-19 06:43:26,189 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 10 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 33 treesize of output 74 [2022-11-19 06:43:26,208 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:43:26,213 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:43:26,215 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:43:26,268 INFO L321 Elim1Store]: treesize reduction 90, result has 33.8 percent of original size [2022-11-19 06:43:26,269 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 6 select indices, 6 select index equivalence classes, 12 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 6 case distinctions, treesize of input 49 treesize of output 85 [2022-11-19 06:43:26,305 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 9 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 46 [2022-11-19 06:43:26,331 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:43:26,332 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:43:26,334 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:43:26,335 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:43:26,336 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:43:26,337 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:43:26,338 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:43:26,339 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:43:26,340 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:43:26,341 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:43:26,342 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:43:26,343 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:43:26,344 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:43:26,345 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:43:26,346 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:43:26,347 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:43:26,348 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:43:26,350 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:43:26,351 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:43:26,354 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 10 select indices, 10 select index equivalence classes, 36 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 0 case distinctions, treesize of input 8458592 treesize of output 4759837 [2022-11-19 06:43:26,567 INFO L350 Elim1Store]: Elim1 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 14 treesize of output 10 [2022-11-19 06:43:26,572 INFO L350 Elim1Store]: Elim1 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 16 treesize of output 12 [2022-11-19 06:43:26,581 INFO L350 Elim1Store]: Elim1 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 14 treesize of output 10 [2022-11-19 06:43:26,607 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 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 64 treesize of output 63 [2022-11-19 06:43:26,614 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 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 66 treesize of output 65 [2022-11-19 06:43:26,624 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 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 64 treesize of output 63 [2022-11-19 06:43:26,650 INFO L350 Elim1Store]: Elim1 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 16 treesize of output 12 [2022-11-19 06:43:26,656 INFO L350 Elim1Store]: Elim1 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 14 treesize of output 10 [2022-11-19 06:43:26,683 INFO L350 Elim1Store]: Elim1 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 14 treesize of output 10 [2022-11-19 06:43:26,755 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 9 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 108 treesize of output 42 [2022-11-19 06:43:26,791 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:43:26,792 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:43:26,794 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:43:26,795 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:43:26,796 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:43:26,797 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:43:26,798 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:43:26,799 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:43:26,800 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:43:26,801 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:43:26,802 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:43:26,803 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:43:26,804 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:43:26,805 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:43:26,806 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:43:26,807 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:43:26,808 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:43:26,812 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 10 select indices, 10 select index equivalence classes, 30 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 0 case distinctions, treesize of input 8458573 treesize of output 4759755 [2022-11-19 06:43:26,838 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 10 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 46 treesize of output 16 [2022-11-19 06:43:27,043 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:43:27,045 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:43:27,048 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:43:27,049 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:43:27,050 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:43:27,051 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:43:27,053 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:43:27,054 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:43:27,055 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:43:27,056 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:43:27,057 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:43:27,058 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:43:27,059 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:43:27,060 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:43:27,061 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:43:27,062 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:43:27,063 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:43:27,065 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 10 select indices, 10 select index equivalence classes, 29 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 0 case distinctions, treesize of input 8458573 treesize of output 4759755 [2022-11-19 06:43:27,088 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 9 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 108 treesize of output 42 [2022-11-19 06:43:27,107 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 10 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 46 treesize of output 16 [2022-11-19 06:43:28,331 INFO L217 Elim1Store]: Index analysis took 882 ms [2022-11-19 06:43:32,233 INFO L321 Elim1Store]: treesize reduction 190, result has 18.1 percent of original size [2022-11-19 06:43:32,234 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 7 select indices, 7 select index equivalence classes, 4 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 22 case distinctions, treesize of input 9519777 treesize of output 9519796 [2022-11-19 06:43:32,943 INFO L217 Elim1Store]: Index analysis took 535 ms [2022-11-19 06:43:33,438 INFO L321 Elim1Store]: treesize reduction 87, result has 5.4 percent of original size [2022-11-19 06:43:33,438 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 6 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 10 case distinctions, treesize of input 9519772 treesize of output 9519776 [2022-11-19 06:44:00,657 INFO L217 Elim1Store]: Index analysis took 1813 ms