./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/uthash-2.0.2/uthash_SFH_test3-2.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_3e782c2f-8ef1-4668-8449-b30d2a8771f6/bin/utaipan-I9t0OCRTmS/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e782c2f-8ef1-4668-8449-b30d2a8771f6/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_3e782c2f-8ef1-4668-8449-b30d2a8771f6/bin/utaipan-I9t0OCRTmS/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e782c2f-8ef1-4668-8449-b30d2a8771f6/bin/utaipan-I9t0OCRTmS/config/TaipanReach.xml -i ../../sv-benchmarks/c/uthash-2.0.2/uthash_SFH_test3-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e782c2f-8ef1-4668-8449-b30d2a8771f6/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_3e782c2f-8ef1-4668-8449-b30d2a8771f6/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 d11f955236406002afd026860cf5cae6834e26918579de44c447a4ac30cb678d --- 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 07:59:46,337 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-19 07:59:46,339 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-19 07:59:46,358 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-19 07:59:46,359 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-19 07:59:46,360 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-19 07:59:46,362 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-19 07:59:46,364 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-19 07:59:46,365 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-19 07:59:46,366 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-19 07:59:46,368 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-19 07:59:46,369 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-19 07:59:46,369 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-19 07:59:46,370 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-19 07:59:46,372 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-19 07:59:46,373 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-19 07:59:46,374 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-19 07:59:46,375 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-19 07:59:46,377 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-19 07:59:46,379 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-19 07:59:46,380 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-19 07:59:46,382 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-19 07:59:46,383 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-19 07:59:46,384 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-19 07:59:46,388 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-19 07:59:46,389 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-19 07:59:46,389 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-19 07:59:46,390 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-19 07:59:46,390 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-19 07:59:46,392 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-19 07:59:46,392 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-19 07:59:46,393 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-19 07:59:46,394 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-19 07:59:46,395 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-19 07:59:46,396 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-19 07:59:46,396 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-19 07:59:46,397 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-19 07:59:46,397 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-19 07:59:46,398 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-19 07:59:46,399 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-19 07:59:46,399 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-19 07:59:46,400 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e782c2f-8ef1-4668-8449-b30d2a8771f6/bin/utaipan-I9t0OCRTmS/config/svcomp-Overflow-32bit-Taipan_Default.epf [2022-11-19 07:59:46,436 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-19 07:59:46,437 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-19 07:59:46,437 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-19 07:59:46,437 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-19 07:59:46,440 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-19 07:59:46,440 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-19 07:59:46,440 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-19 07:59:46,441 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-19 07:59:46,441 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-19 07:59:46,441 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-19 07:59:46,441 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-19 07:59:46,442 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-19 07:59:46,442 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-19 07:59:46,443 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-19 07:59:46,443 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-19 07:59:46,443 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-19 07:59:46,443 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-19 07:59:46,444 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-19 07:59:46,444 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-19 07:59:46,445 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-19 07:59:46,445 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-19 07:59:46,445 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-19 07:59:46,445 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-19 07:59:46,446 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-19 07:59:46,446 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-19 07:59:46,446 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-19 07:59:46,447 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-19 07:59:46,447 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-19 07:59:46,447 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-19 07:59:46,447 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-19 07:59:46,448 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-19 07:59:46,448 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-19 07:59:46,448 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-19 07:59:46,449 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-19 07:59:46,449 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-19 07:59:46,449 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-19 07:59:46,449 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-19 07:59:46,450 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-19 07:59:46,450 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-19 07:59:46,450 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-19 07:59:46,450 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-19 07:59:46,451 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-19 07:59:46,451 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-19 07:59:46,451 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_3e782c2f-8ef1-4668-8449-b30d2a8771f6/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e782c2f-8ef1-4668-8449-b30d2a8771f6/bin/utaipan-I9t0OCRTmS Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d11f955236406002afd026860cf5cae6834e26918579de44c447a4ac30cb678d [2022-11-19 07:59:46,704 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-19 07:59:46,724 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-19 07:59:46,727 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-19 07:59:46,728 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-19 07:59:46,729 INFO L275 PluginConnector]: CDTParser initialized [2022-11-19 07:59:46,730 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e782c2f-8ef1-4668-8449-b30d2a8771f6/bin/utaipan-I9t0OCRTmS/../../sv-benchmarks/c/uthash-2.0.2/uthash_SFH_test3-2.i [2022-11-19 07:59:46,818 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e782c2f-8ef1-4668-8449-b30d2a8771f6/bin/utaipan-I9t0OCRTmS/data/983fe1478/e676cf08e9cc48988638debe1ca8e3aa/FLAGac0e8d096 [2022-11-19 07:59:47,452 INFO L306 CDTParser]: Found 1 translation units. [2022-11-19 07:59:47,461 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e782c2f-8ef1-4668-8449-b30d2a8771f6/sv-benchmarks/c/uthash-2.0.2/uthash_SFH_test3-2.i [2022-11-19 07:59:47,476 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e782c2f-8ef1-4668-8449-b30d2a8771f6/bin/utaipan-I9t0OCRTmS/data/983fe1478/e676cf08e9cc48988638debe1ca8e3aa/FLAGac0e8d096 [2022-11-19 07:59:47,715 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e782c2f-8ef1-4668-8449-b30d2a8771f6/bin/utaipan-I9t0OCRTmS/data/983fe1478/e676cf08e9cc48988638debe1ca8e3aa [2022-11-19 07:59:47,717 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-19 07:59:47,718 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-19 07:59:47,727 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-19 07:59:47,727 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-19 07:59:47,731 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-19 07:59:47,731 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 07:59:47" (1/1) ... [2022-11-19 07:59:47,732 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@147ac89b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:59:47, skipping insertion in model container [2022-11-19 07:59:47,733 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 07:59:47" (1/1) ... [2022-11-19 07:59:47,739 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-19 07:59:47,803 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-19 07:59:48,234 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_3e782c2f-8ef1-4668-8449-b30d2a8771f6/sv-benchmarks/c/uthash-2.0.2/uthash_SFH_test3-2.i[33021,33034] [2022-11-19 07:59:48,374 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_3e782c2f-8ef1-4668-8449-b30d2a8771f6/sv-benchmarks/c/uthash-2.0.2/uthash_SFH_test3-2.i[44590,44603] [2022-11-19 07:59:48,391 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-19 07:59:48,399 INFO L203 MainTranslator]: Completed pre-run [2022-11-19 07:59:48,425 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_3e782c2f-8ef1-4668-8449-b30d2a8771f6/sv-benchmarks/c/uthash-2.0.2/uthash_SFH_test3-2.i[33021,33034] [2022-11-19 07:59:48,485 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_3e782c2f-8ef1-4668-8449-b30d2a8771f6/sv-benchmarks/c/uthash-2.0.2/uthash_SFH_test3-2.i[44590,44603] [2022-11-19 07:59:48,496 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-19 07:59:48,531 INFO L208 MainTranslator]: Completed translation [2022-11-19 07:59:48,531 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:59:48 WrapperNode [2022-11-19 07:59:48,531 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-19 07:59:48,533 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-19 07:59:48,533 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-19 07:59:48,533 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-19 07:59:48,541 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:59:48" (1/1) ... [2022-11-19 07:59:48,570 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:59:48" (1/1) ... [2022-11-19 07:59:48,661 INFO L138 Inliner]: procedures = 177, calls = 336, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 1185 [2022-11-19 07:59:48,662 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-19 07:59:48,662 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-19 07:59:48,663 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-19 07:59:48,663 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-19 07:59:48,679 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:59:48" (1/1) ... [2022-11-19 07:59:48,679 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:59:48" (1/1) ... [2022-11-19 07:59:48,691 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:59:48" (1/1) ... [2022-11-19 07:59:48,711 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:59:48" (1/1) ... [2022-11-19 07:59:48,781 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:59:48" (1/1) ... [2022-11-19 07:59:48,793 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:59:48" (1/1) ... [2022-11-19 07:59:48,814 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:59:48" (1/1) ... [2022-11-19 07:59:48,819 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:59:48" (1/1) ... [2022-11-19 07:59:48,839 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-19 07:59:48,840 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-19 07:59:48,840 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-19 07:59:48,840 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-19 07:59:48,842 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:59:48" (1/1) ... [2022-11-19 07:59:48,848 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-19 07:59:48,860 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e782c2f-8ef1-4668-8449-b30d2a8771f6/bin/utaipan-I9t0OCRTmS/z3 [2022-11-19 07:59:48,880 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e782c2f-8ef1-4668-8449-b30d2a8771f6/bin/utaipan-I9t0OCRTmS/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-19 07:59:48,889 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e782c2f-8ef1-4668-8449-b30d2a8771f6/bin/utaipan-I9t0OCRTmS/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-19 07:59:48,919 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-19 07:59:48,919 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2022-11-19 07:59:48,919 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2022-11-19 07:59:48,919 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-19 07:59:48,919 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-11-19 07:59:48,920 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-11-19 07:59:48,920 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-19 07:59:48,920 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-19 07:59:48,920 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-19 07:59:48,920 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-19 07:59:48,920 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2022-11-19 07:59:48,921 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-19 07:59:48,921 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-19 07:59:48,921 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-19 07:59:48,921 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-19 07:59:48,921 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-19 07:59:49,199 INFO L235 CfgBuilder]: Building ICFG [2022-11-19 07:59:49,201 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-19 07:59:50,725 INFO L276 CfgBuilder]: Performing block encoding [2022-11-19 07:59:51,257 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-19 07:59:51,258 INFO L300 CfgBuilder]: Removed 72 assume(true) statements. [2022-11-19 07:59:51,270 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:59:51 BoogieIcfgContainer [2022-11-19 07:59:51,270 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-19 07:59:51,276 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-19 07:59:51,276 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-19 07:59:51,279 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-19 07:59:51,279 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 07:59:47" (1/3) ... [2022-11-19 07:59:51,280 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1f9b5941 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 07:59:51, skipping insertion in model container [2022-11-19 07:59:51,280 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:59:48" (2/3) ... [2022-11-19 07:59:51,281 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1f9b5941 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 07:59:51, skipping insertion in model container [2022-11-19 07:59:51,281 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:59:51" (3/3) ... [2022-11-19 07:59:51,292 INFO L112 eAbstractionObserver]: Analyzing ICFG uthash_SFH_test3-2.i [2022-11-19 07:59:51,310 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-19 07:59:51,310 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 8 error locations. [2022-11-19 07:59:51,376 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-19 07:59:51,386 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;@1a17da8e, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-19 07:59:51,386 INFO L358 AbstractCegarLoop]: Starting to check reachability of 8 error locations. [2022-11-19 07:59:51,391 INFO L276 IsEmpty]: Start isEmpty. Operand has 147 states, 128 states have (on average 1.8125) internal successors, (232), 141 states have internal predecessors, (232), 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 07:59:51,397 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2022-11-19 07:59:51,397 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 07:59:51,398 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1] [2022-11-19 07:59:51,398 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 07:59:51,405 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 07:59:51,406 INFO L85 PathProgramCache]: Analyzing trace with hash 29805783, now seen corresponding path program 1 times [2022-11-19 07:59:51,415 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 07:59:51,416 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1554778469] [2022-11-19 07:59:51,417 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 07:59:51,417 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 07:59:51,557 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-19 07:59:51,558 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [642936343] [2022-11-19 07:59:51,558 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 07:59:51,559 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-19 07:59:51,559 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e782c2f-8ef1-4668-8449-b30d2a8771f6/bin/utaipan-I9t0OCRTmS/z3 [2022-11-19 07:59:51,566 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e782c2f-8ef1-4668-8449-b30d2a8771f6/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-19 07:59:51,590 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e782c2f-8ef1-4668-8449-b30d2a8771f6/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-11-19 07:59:51,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 07:59:51,801 INFO L263 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 13 conjunts are in the unsatisfiable core [2022-11-19 07:59:51,808 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-19 07:59:51,879 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 07:59:51,890 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 07:59:51,933 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:59:51,936 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 07:59:51,962 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 07:59:51,963 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-19 07:59:51,963 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 07:59:51,963 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1554778469] [2022-11-19 07:59:51,963 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-19 07:59:51,964 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [642936343] [2022-11-19 07:59:51,964 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [642936343] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 07:59:51,964 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 07:59:51,965 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-19 07:59:51,967 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [689609703] [2022-11-19 07:59:51,967 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 07:59:51,971 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-19 07:59:51,972 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 07:59:52,014 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-19 07:59:52,015 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-19 07:59:52,020 INFO L87 Difference]: Start difference. First operand has 147 states, 128 states have (on average 1.8125) internal successors, (232), 141 states have internal predecessors, (232), 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 07:59:53,513 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 07:59:53,513 INFO L93 Difference]: Finished difference Result 365 states and 629 transitions. [2022-11-19 07:59:53,516 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-19 07:59:53,517 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 07:59:53,518 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 07:59:53,527 INFO L225 Difference]: With dead ends: 365 [2022-11-19 07:59:53,527 INFO L226 Difference]: Without dead ends: 201 [2022-11-19 07:59:53,530 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 07:59:53,533 INFO L413 NwaCegarLoop]: 144 mSDtfsCounter, 77 mSDsluCounter, 252 mSDsCounter, 0 mSdLazyCounter, 147 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 82 SdHoareTripleChecker+Valid, 396 SdHoareTripleChecker+Invalid, 151 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 147 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2022-11-19 07:59:53,534 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [82 Valid, 396 Invalid, 151 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 147 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2022-11-19 07:59:53,553 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 201 states. [2022-11-19 07:59:53,582 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 201 to 136. [2022-11-19 07:59:53,584 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 136 states, 118 states have (on average 1.2627118644067796) internal successors, (149), 130 states have internal predecessors, (149), 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 07:59:53,585 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 136 states to 136 states and 165 transitions. [2022-11-19 07:59:53,587 INFO L78 Accepts]: Start accepts. Automaton has 136 states and 165 transitions. Word has length 4 [2022-11-19 07:59:53,587 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 07:59:53,588 INFO L495 AbstractCegarLoop]: Abstraction has 136 states and 165 transitions. [2022-11-19 07:59:53,588 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 07:59:53,588 INFO L276 IsEmpty]: Start isEmpty. Operand 136 states and 165 transitions. [2022-11-19 07:59:53,589 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-11-19 07:59:53,589 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 07:59:53,589 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 07:59:53,601 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e782c2f-8ef1-4668-8449-b30d2a8771f6/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-11-19 07:59:53,800 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e782c2f-8ef1-4668-8449-b30d2a8771f6/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2022-11-19 07:59:53,801 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-11-19 07:59:53,802 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 07:59:53,803 INFO L85 PathProgramCache]: Analyzing trace with hash 1816263681, now seen corresponding path program 1 times [2022-11-19 07:59:53,803 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 07:59:53,804 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [574483430] [2022-11-19 07:59:53,804 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 07:59:53,804 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 07:59:53,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 07:59:54,094 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 07:59:54,096 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 07:59:54,096 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [574483430] [2022-11-19 07:59:54,097 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [574483430] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 07:59:54,097 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 07:59:54,097 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-19 07:59:54,098 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1771224530] [2022-11-19 07:59:54,098 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 07:59:54,099 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-19 07:59:54,100 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 07:59:54,100 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-19 07:59:54,100 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-19 07:59:54,101 INFO L87 Difference]: Start difference. First operand 136 states and 165 transitions. Second operand has 4 states, 4 states have (on average 2.25) internal successors, (9), 3 states have internal predecessors, (9), 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 07:59:55,935 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 07:59:55,935 INFO L93 Difference]: Finished difference Result 266 states and 333 transitions. [2022-11-19 07:59:55,937 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-19 07:59:55,938 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 2.25) internal successors, (9), 3 states have internal predecessors, (9), 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 9 [2022-11-19 07:59:55,938 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 07:59:55,939 INFO L225 Difference]: With dead ends: 266 [2022-11-19 07:59:55,939 INFO L226 Difference]: Without dead ends: 195 [2022-11-19 07:59:55,940 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 07:59:55,941 INFO L413 NwaCegarLoop]: 137 mSDtfsCounter, 68 mSDsluCounter, 242 mSDsCounter, 0 mSdLazyCounter, 109 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 73 SdHoareTripleChecker+Valid, 379 SdHoareTripleChecker+Invalid, 111 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 109 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2022-11-19 07:59:55,942 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [73 Valid, 379 Invalid, 111 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 109 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2022-11-19 07:59:55,943 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 195 states. [2022-11-19 07:59:55,952 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 195 to 136. [2022-11-19 07:59:55,953 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 136 states, 118 states have (on average 1.2542372881355932) internal successors, (148), 130 states have internal predecessors, (148), 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 07:59:55,954 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 136 states to 136 states and 164 transitions. [2022-11-19 07:59:55,955 INFO L78 Accepts]: Start accepts. Automaton has 136 states and 164 transitions. Word has length 9 [2022-11-19 07:59:55,955 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 07:59:55,955 INFO L495 AbstractCegarLoop]: Abstraction has 136 states and 164 transitions. [2022-11-19 07:59:55,955 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 2.25) internal successors, (9), 3 states have internal predecessors, (9), 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 07:59:55,955 INFO L276 IsEmpty]: Start isEmpty. Operand 136 states and 164 transitions. [2022-11-19 07:59:55,956 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2022-11-19 07:59:55,957 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 07:59:55,957 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 07:59:55,957 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-19 07:59:55,957 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 07:59:55,958 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 07:59:55,958 INFO L85 PathProgramCache]: Analyzing trace with hash 1794181175, now seen corresponding path program 1 times [2022-11-19 07:59:55,958 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 07:59:55,958 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [548658437] [2022-11-19 07:59:55,959 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 07:59:55,959 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 07:59:56,117 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-19 07:59:56,120 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2041977194] [2022-11-19 07:59:56,121 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 07:59:56,121 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-19 07:59:56,121 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e782c2f-8ef1-4668-8449-b30d2a8771f6/bin/utaipan-I9t0OCRTmS/z3 [2022-11-19 07:59:56,123 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e782c2f-8ef1-4668-8449-b30d2a8771f6/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-19 07:59:56,146 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e782c2f-8ef1-4668-8449-b30d2a8771f6/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-11-19 07:59:56,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 07:59:56,891 INFO L263 TraceCheckSpWp]: Trace formula consists of 1578 conjuncts, 5 conjunts are in the unsatisfiable core [2022-11-19 07:59:56,894 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-19 07:59:56,974 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 07:59:56,974 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-19 07:59:56,974 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 07:59:56,975 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [548658437] [2022-11-19 07:59:56,975 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-19 07:59:56,975 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2041977194] [2022-11-19 07:59:56,975 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2041977194] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 07:59:56,976 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 07:59:56,976 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-19 07:59:56,976 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [578556393] [2022-11-19 07:59:56,976 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 07:59:56,977 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-19 07:59:56,977 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 07:59:56,978 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-19 07:59:56,978 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-19 07:59:56,978 INFO L87 Difference]: Start difference. First operand 136 states and 164 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 07:59:59,358 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.26s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-19 07:59:59,359 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 07:59:59,359 INFO L93 Difference]: Finished difference Result 332 states and 405 transitions. [2022-11-19 07:59:59,367 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-19 07:59:59,367 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 07:59:59,367 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 07:59:59,368 INFO L225 Difference]: With dead ends: 332 [2022-11-19 07:59:59,368 INFO L226 Difference]: Without dead ends: 201 [2022-11-19 07:59:59,369 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 07:59:59,370 INFO L413 NwaCegarLoop]: 178 mSDtfsCounter, 64 mSDsluCounter, 122 mSDsCounter, 0 mSdLazyCounter, 57 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 71 SdHoareTripleChecker+Valid, 300 SdHoareTripleChecker+Invalid, 62 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 57 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.4s IncrementalHoareTripleChecker+Time [2022-11-19 07:59:59,371 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [71 Valid, 300 Invalid, 62 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 57 Invalid, 0 Unknown, 0 Unchecked, 2.4s Time] [2022-11-19 07:59:59,372 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 201 states. [2022-11-19 07:59:59,383 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 201 to 181. [2022-11-19 07:59:59,384 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 181 states, 163 states have (on average 1.2269938650306749) internal successors, (200), 175 states have internal predecessors, (200), 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 07:59:59,385 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 181 states to 181 states and 216 transitions. [2022-11-19 07:59:59,385 INFO L78 Accepts]: Start accepts. Automaton has 181 states and 216 transitions. Word has length 28 [2022-11-19 07:59:59,385 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 07:59:59,385 INFO L495 AbstractCegarLoop]: Abstraction has 181 states and 216 transitions. [2022-11-19 07:59:59,386 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 07:59:59,386 INFO L276 IsEmpty]: Start isEmpty. Operand 181 states and 216 transitions. [2022-11-19 07:59:59,387 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2022-11-19 07:59:59,387 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 07:59:59,387 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 07:59:59,400 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e782c2f-8ef1-4668-8449-b30d2a8771f6/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2022-11-19 07:59:59,596 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e782c2f-8ef1-4668-8449-b30d2a8771f6/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-19 07:59:59,596 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 07:59:59,597 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 07:59:59,597 INFO L85 PathProgramCache]: Analyzing trace with hash -1709113415, now seen corresponding path program 1 times [2022-11-19 07:59:59,597 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 07:59:59,597 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1126482930] [2022-11-19 07:59:59,597 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 07:59:59,597 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 07:59:59,668 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-19 07:59:59,668 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1171857112] [2022-11-19 07:59:59,669 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 07:59:59,669 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-19 07:59:59,669 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e782c2f-8ef1-4668-8449-b30d2a8771f6/bin/utaipan-I9t0OCRTmS/z3 [2022-11-19 07:59:59,670 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e782c2f-8ef1-4668-8449-b30d2a8771f6/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-19 07:59:59,690 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e782c2f-8ef1-4668-8449-b30d2a8771f6/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-11-19 08:00:39,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 08:00:39,724 INFO L263 TraceCheckSpWp]: Trace formula consists of 715 conjuncts, 7 conjunts are in the unsatisfiable core [2022-11-19 08:00:39,728 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-19 08:00:39,781 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-19 08:00:39,781 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-19 08:00:39,782 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 08:00:39,782 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1126482930] [2022-11-19 08:00:39,782 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-19 08:00:39,782 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1171857112] [2022-11-19 08:00:39,783 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1171857112] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 08:00:39,783 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 08:00:39,783 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-19 08:00:39,783 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [282604376] [2022-11-19 08:00:39,784 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 08:00:39,784 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-19 08:00:39,784 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 08:00:39,785 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-19 08:00:39,785 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-19 08:00:39,785 INFO L87 Difference]: Start difference. First operand 181 states and 216 transitions. Second operand has 4 states, 3 states have (on average 12.333333333333334) internal successors, (37), 4 states have internal predecessors, (37), 1 states have call successors, (2), 1 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) [2022-11-19 08:00:40,660 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 08:00:40,660 INFO L93 Difference]: Finished difference Result 346 states and 418 transitions. [2022-11-19 08:00:40,663 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-19 08:00:40,663 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), 1 states have call successors, (2), 1 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) Word has length 41 [2022-11-19 08:00:40,663 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 08:00:40,664 INFO L225 Difference]: With dead ends: 346 [2022-11-19 08:00:40,665 INFO L226 Difference]: Without dead ends: 183 [2022-11-19 08:00:40,666 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 08:00:40,667 INFO L413 NwaCegarLoop]: 141 mSDtfsCounter, 1 mSDsluCounter, 278 mSDsCounter, 0 mSdLazyCounter, 60 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 419 SdHoareTripleChecker+Invalid, 61 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 60 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2022-11-19 08:00:40,667 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 419 Invalid, 61 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 60 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2022-11-19 08:00:40,668 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 183 states. [2022-11-19 08:00:40,684 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 183 to 183. [2022-11-19 08:00:40,685 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 183 states, 164 states have (on average 1.2317073170731707) internal successors, (202), 177 states have internal predecessors, (202), 8 states have call successors, (8), 2 states have call predecessors, (8), 3 states have return successors, (9), 4 states have call predecessors, (9), 8 states have call successors, (9) [2022-11-19 08:00:40,686 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 183 states to 183 states and 219 transitions. [2022-11-19 08:00:40,686 INFO L78 Accepts]: Start accepts. Automaton has 183 states and 219 transitions. Word has length 41 [2022-11-19 08:00:40,687 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 08:00:40,687 INFO L495 AbstractCegarLoop]: Abstraction has 183 states and 219 transitions. [2022-11-19 08:00:40,687 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), 1 states have call successors, (2), 1 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) [2022-11-19 08:00:40,688 INFO L276 IsEmpty]: Start isEmpty. Operand 183 states and 219 transitions. [2022-11-19 08:00:40,689 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2022-11-19 08:00:40,689 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 08:00:40,689 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 08:00:40,711 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e782c2f-8ef1-4668-8449-b30d2a8771f6/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2022-11-19 08:00:40,890 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e782c2f-8ef1-4668-8449-b30d2a8771f6/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-19 08:00:40,890 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 08:00:40,891 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 08:00:40,891 INFO L85 PathProgramCache]: Analyzing trace with hash 481434719, now seen corresponding path program 1 times [2022-11-19 08:00:40,891 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 08:00:40,891 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1752738402] [2022-11-19 08:00:40,891 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 08:00:40,892 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 08:00:40,970 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-19 08:00:40,971 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [296745444] [2022-11-19 08:00:40,971 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 08:00:40,971 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-19 08:00:40,972 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e782c2f-8ef1-4668-8449-b30d2a8771f6/bin/utaipan-I9t0OCRTmS/z3 [2022-11-19 08:00:40,973 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e782c2f-8ef1-4668-8449-b30d2a8771f6/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-19 08:00:40,979 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e782c2f-8ef1-4668-8449-b30d2a8771f6/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-11-19 08:01:14,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 08:01:14,205 INFO L263 TraceCheckSpWp]: Trace formula consists of 745 conjuncts, 12 conjunts are in the unsatisfiable core [2022-11-19 08:01:14,208 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-19 08:01:14,247 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 6 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-19 08:01:14,248 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-19 08:01:14,399 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-11-19 08:01:14,399 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 08:01:14,400 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1752738402] [2022-11-19 08:01:14,400 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-19 08:01:14,400 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [296745444] [2022-11-19 08:01:14,400 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [296745444] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-19 08:01:14,401 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1608950409] [2022-11-19 08:01:14,421 INFO L159 IcfgInterpreter]: Started Sifa with 39 locations of interest [2022-11-19 08:01:14,421 INFO L166 IcfgInterpreter]: Building call graph [2022-11-19 08:01:14,425 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-19 08:01:14,430 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-19 08:01:14,431 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-19 08:01:14,513 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 08:01:14,523 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:01:14,541 INFO L321 Elim1Store]: treesize reduction 18, result has 35.7 percent of original size [2022-11-19 08:01:14,542 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 08:01:14,570 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:01:14,571 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 4 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 08:01:14,584 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 08:01:14,594 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:01:14,595 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 22 [2022-11-19 08:01:14,645 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 08:01:14,655 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:01:14,658 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:01:14,672 INFO L321 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2022-11-19 08:01:14,673 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 08:01:14,689 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:01:14,690 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:01:14,722 INFO L321 Elim1Store]: treesize reduction 20, result has 48.7 percent of original size [2022-11-19 08:01:14,722 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 2 case distinctions, treesize of input 22 treesize of output 38 [2022-11-19 08:01:14,741 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 08:01:14,753 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:01:14,755 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:01:14,797 INFO L321 Elim1Store]: treesize reduction 36, result has 34.5 percent of original size [2022-11-19 08:01:14,798 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 08:01:14,852 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 08:01:14,863 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 08:01:14,876 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:01:14,878 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:01:14,895 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:01:14,897 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 08:01:15,447 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 08:01:15,465 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 08:01:15,487 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:01:15,489 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:01:15,491 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:01:15,492 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:01:15,493 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:01:15,495 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:01:15,496 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:01:15,498 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:01:15,499 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:01:15,501 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:01:15,502 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:01:15,504 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:01:15,505 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:01:15,507 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:01:15,508 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:01:15,525 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 08:01:15,557 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:01:15,559 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:01:15,560 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:01:15,561 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:01:15,563 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:01:15,564 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:01:15,566 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:01:15,567 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:01:15,568 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:01:15,570 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:01:15,571 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:01:15,572 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:01:15,573 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:01:15,575 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:01:15,576 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:01:15,580 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 08:01:15,656 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 08:01:15,671 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 08:01:15,697 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:01:15,698 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:01:15,700 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:01:15,701 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:01:15,702 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:01:15,704 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:01:15,705 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:01:15,706 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:01:15,708 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:01:15,709 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:01:15,711 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:01:15,712 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:01:15,713 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:01:15,715 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:01:15,716 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:01:15,717 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:01:15,719 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:01:15,720 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:01:15,721 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:01:15,723 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:01:15,724 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:01:15,747 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 08:01:15,783 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:01:15,785 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:01:15,786 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:01:15,787 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:01:15,788 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:01:15,790 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:01:15,792 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:01:15,794 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:01:15,795 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:01:15,797 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:01:15,798 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:01:15,800 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:01:15,801 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:01:15,803 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:01:15,805 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:01:15,806 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:01:15,807 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:01:15,808 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:01:15,810 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:01:15,813 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 08:01:15,901 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 08:01:15,917 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:01:15,918 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:01:15,920 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:01:16,003 INFO L321 Elim1Store]: treesize reduction 48, result has 48.9 percent of original size [2022-11-19 08:01:16,004 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 08:01:16,025 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:01:16,030 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:01:16,031 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:01:16,090 INFO L321 Elim1Store]: treesize reduction 90, result has 33.8 percent of original size [2022-11-19 08:01:16,090 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 08:01:16,126 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 08:01:16,154 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:01:16,156 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:01:16,157 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:01:16,158 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:01:16,159 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:01:16,161 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:01:16,162 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:01:16,163 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:01:16,165 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:01:16,166 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:01:16,167 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:01:16,169 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:01:16,170 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:01:16,171 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:01:16,173 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:01:16,174 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:01:16,175 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:01:16,177 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:01:16,178 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:01:16,179 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:01:16,181 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:01:16,184 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 08:01:16,396 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 08:01:16,402 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 08:01:16,407 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 08:01:16,433 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 08:01:16,442 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 08:01:16,450 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 08:01:16,470 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 08:01:16,475 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 08:01:16,481 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 08:01:16,544 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 08:01:16,602 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:01:16,603 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:01:16,604 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:01:16,606 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:01:16,607 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:01:16,608 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:01:16,610 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:01:16,611 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:01:16,612 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:01:16,613 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:01:16,615 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:01:16,616 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:01:16,617 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:01:16,618 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:01:16,619 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:01:16,620 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:01:16,621 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:01:16,624 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 08:01:16,647 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 08:01:16,835 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:01:16,836 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:01:16,840 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:01:16,842 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:01:16,843 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:01:16,844 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:01:16,846 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:01:16,847 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:01:16,848 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:01:16,850 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:01:16,851 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:01:16,852 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:01:16,853 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:01:16,854 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:01:16,855 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:01:16,856 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:01:16,857 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:01:16,860 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 08:01:16,893 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 08:01:16,910 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 08:01:18,803 INFO L217 Elim1Store]: Index analysis took 1509 ms [2022-11-19 08:01:26,877 WARN L233 SmtUtils]: Spent 8.07s on a formula simplification. DAG size of input: 109 DAG size of output: 31 (called from [L 318] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2022-11-19 08:01:26,878 INFO L321 Elim1Store]: treesize reduction 190, result has 18.1 percent of original size [2022-11-19 08:01:26,879 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 08:01:28,071 INFO L217 Elim1Store]: Index analysis took 788 ms [2022-11-19 08:01:28,629 INFO L321 Elim1Store]: treesize reduction 87, result has 5.4 percent of original size [2022-11-19 08:01:28,630 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 08:04:49,954 WARN L233 SmtUtils]: Spent 3.35m on a formula simplification. DAG size of input: 198 DAG size of output: 106 (called from [L 318] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2022-11-19 08:04:49,955 INFO L321 Elim1Store]: treesize reduction 1611, result has 24.6 percent of original size [2022-11-19 08:04:49,956 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 6 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 9 new quantified variables, introduced 18 case distinctions, treesize of input 7904 treesize of output 5842 [2022-11-19 08:04:50,635 INFO L217 Elim1Store]: Index analysis took 228 ms [2022-11-19 08:06:23,179 WARN L233 SmtUtils]: Spent 1.54m on a formula simplification. DAG size of input: 90 DAG size of output: 45 (called from [L 318] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2022-11-19 08:06:23,180 INFO L321 Elim1Store]: treesize reduction 266, result has 31.6 percent of original size [2022-11-19 08:06:23,181 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 4 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 7 new quantified variables, introduced 8 case distinctions, treesize of input 7180 treesize of output 5993 [2022-11-19 08:06:29,129 INFO L217 Elim1Store]: Index analysis took 4136 ms