./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/loops-crafted-1/discover_list.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 38b53e6a Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b44e6f7-9d6b-409b-9334-35245824bfbf/bin/utaipan-ByfvJB40ur/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b44e6f7-9d6b-409b-9334-35245824bfbf/bin/utaipan-ByfvJB40ur/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b44e6f7-9d6b-409b-9334-35245824bfbf/bin/utaipan-ByfvJB40ur/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b44e6f7-9d6b-409b-9334-35245824bfbf/bin/utaipan-ByfvJB40ur/config/TaipanReach.xml -i ../../sv-benchmarks/c/loops-crafted-1/discover_list.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b44e6f7-9d6b-409b-9334-35245824bfbf/bin/utaipan-ByfvJB40ur/config/svcomp-Overflow-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b44e6f7-9d6b-409b-9334-35245824bfbf/bin/utaipan-ByfvJB40ur --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 b98ece0168fde0a9f5db629b0589397995dd8e9526df8a73dd8042a19f16d948 --- 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-38b53e6 [2022-11-25 22:23:12,601 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-25 22:23:12,604 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-25 22:23:12,626 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-25 22:23:12,626 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-25 22:23:12,627 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-25 22:23:12,629 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-25 22:23:12,630 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-25 22:23:12,632 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-25 22:23:12,633 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-25 22:23:12,634 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-25 22:23:12,635 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-25 22:23:12,636 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-25 22:23:12,637 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-25 22:23:12,638 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-25 22:23:12,639 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-25 22:23:12,640 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-25 22:23:12,641 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-25 22:23:12,643 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-25 22:23:12,645 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-25 22:23:12,646 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-25 22:23:12,652 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-25 22:23:12,654 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-25 22:23:12,655 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-25 22:23:12,658 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-25 22:23:12,659 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-25 22:23:12,659 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-25 22:23:12,660 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-25 22:23:12,661 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-25 22:23:12,662 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-25 22:23:12,662 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-25 22:23:12,663 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-25 22:23:12,664 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-25 22:23:12,665 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-25 22:23:12,677 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-25 22:23:12,678 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-25 22:23:12,680 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-25 22:23:12,681 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-25 22:23:12,682 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-25 22:23:12,685 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-25 22:23:12,687 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-25 22:23:12,688 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b44e6f7-9d6b-409b-9334-35245824bfbf/bin/utaipan-ByfvJB40ur/config/svcomp-Overflow-32bit-Taipan_Default.epf [2022-11-25 22:23:12,734 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-25 22:23:12,734 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-25 22:23:12,735 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-25 22:23:12,735 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-25 22:23:12,736 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-25 22:23:12,736 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-25 22:23:12,736 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-25 22:23:12,737 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-25 22:23:12,737 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-25 22:23:12,737 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-25 22:23:12,739 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-25 22:23:12,739 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-25 22:23:12,739 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-25 22:23:12,739 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-25 22:23:12,740 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-25 22:23:12,740 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-25 22:23:12,740 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-25 22:23:12,740 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-25 22:23:12,742 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-25 22:23:12,742 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-25 22:23:12,742 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-25 22:23:12,743 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-25 22:23:12,743 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-25 22:23:12,743 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-25 22:23:12,743 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-25 22:23:12,744 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-25 22:23:12,744 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-25 22:23:12,744 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-25 22:23:12,744 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-25 22:23:12,744 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-25 22:23:12,745 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-25 22:23:12,745 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-25 22:23:12,745 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-25 22:23:12,746 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-25 22:23:12,746 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-25 22:23:12,746 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-25 22:23:12,746 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-25 22:23:12,747 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-25 22:23:12,747 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-25 22:23:12,747 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-25 22:23:12,747 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-25 22:23:12,748 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-25 22:23:12,748 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-25 22:23:12,749 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_6b44e6f7-9d6b-409b-9334-35245824bfbf/bin/utaipan-ByfvJB40ur/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b44e6f7-9d6b-409b-9334-35245824bfbf/bin/utaipan-ByfvJB40ur Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b98ece0168fde0a9f5db629b0589397995dd8e9526df8a73dd8042a19f16d948 [2022-11-25 22:23:13,145 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-25 22:23:13,183 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-25 22:23:13,185 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-25 22:23:13,187 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-25 22:23:13,187 INFO L275 PluginConnector]: CDTParser initialized [2022-11-25 22:23:13,189 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b44e6f7-9d6b-409b-9334-35245824bfbf/bin/utaipan-ByfvJB40ur/../../sv-benchmarks/c/loops-crafted-1/discover_list.c [2022-11-25 22:23:16,423 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-25 22:23:16,703 INFO L351 CDTParser]: Found 1 translation units. [2022-11-25 22:23:16,704 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b44e6f7-9d6b-409b-9334-35245824bfbf/sv-benchmarks/c/loops-crafted-1/discover_list.c [2022-11-25 22:23:16,714 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b44e6f7-9d6b-409b-9334-35245824bfbf/bin/utaipan-ByfvJB40ur/data/fc5d74011/5b2ffcca7a5c4de6b97b44497bb8d465/FLAG8e388d5e6 [2022-11-25 22:23:16,729 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b44e6f7-9d6b-409b-9334-35245824bfbf/bin/utaipan-ByfvJB40ur/data/fc5d74011/5b2ffcca7a5c4de6b97b44497bb8d465 [2022-11-25 22:23:16,731 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-25 22:23:16,733 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-25 22:23:16,734 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-25 22:23:16,735 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-25 22:23:16,739 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-25 22:23:16,739 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 10:23:16" (1/1) ... [2022-11-25 22:23:16,740 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3b604daf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:23:16, skipping insertion in model container [2022-11-25 22:23:16,741 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 10:23:16" (1/1) ... [2022-11-25 22:23:16,749 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-25 22:23:16,776 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-25 22:23:16,996 WARN L237 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_6b44e6f7-9d6b-409b-9334-35245824bfbf/sv-benchmarks/c/loops-crafted-1/discover_list.c[4997,5010] [2022-11-25 22:23:17,021 WARN L623 FunctionHandler]: Unknown extern function sprintf [2022-11-25 22:23:17,029 WARN L623 FunctionHandler]: Unknown extern function sprintf [2022-11-25 22:23:17,035 WARN L623 FunctionHandler]: Unknown extern function sprintf [2022-11-25 22:23:17,047 WARN L623 FunctionHandler]: Unknown extern function toupper [2022-11-25 22:23:17,049 WARN L623 FunctionHandler]: Unknown extern function toupper [2022-11-25 22:23:17,050 WARN L623 FunctionHandler]: Unknown extern function toupper [2022-11-25 22:23:17,051 WARN L623 FunctionHandler]: Unknown extern function toupper [2022-11-25 22:23:17,059 WARN L623 FunctionHandler]: Unknown extern function smp_get_num [2022-11-25 22:23:17,068 WARN L623 FunctionHandler]: Unknown extern function toupper [2022-11-25 22:23:17,077 WARN L623 FunctionHandler]: Unknown extern function toupper [2022-11-25 22:23:17,078 WARN L623 FunctionHandler]: Unknown extern function toupper [2022-11-25 22:23:17,079 WARN L623 FunctionHandler]: Unknown extern function toupper [2022-11-25 22:23:17,089 WARN L623 FunctionHandler]: Unknown extern function smp_get_llnum [2022-11-25 22:23:17,099 WARN L623 FunctionHandler]: Unknown extern function smp_send_req [2022-11-25 22:23:17,102 WARN L623 FunctionHandler]: Unknown extern function smp_get_func_def_resp_len [2022-11-25 22:23:17,114 WARN L623 FunctionHandler]: Unknown extern function dStrHex [2022-11-25 22:23:17,120 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-25 22:23:17,134 INFO L203 MainTranslator]: Completed pre-run [2022-11-25 22:23:17,166 WARN L237 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_6b44e6f7-9d6b-409b-9334-35245824bfbf/sv-benchmarks/c/loops-crafted-1/discover_list.c[4997,5010] [2022-11-25 22:23:17,172 WARN L623 FunctionHandler]: Unknown extern function sprintf [2022-11-25 22:23:17,175 WARN L623 FunctionHandler]: Unknown extern function sprintf [2022-11-25 22:23:17,179 WARN L623 FunctionHandler]: Unknown extern function sprintf [2022-11-25 22:23:17,185 WARN L623 FunctionHandler]: Unknown extern function toupper [2022-11-25 22:23:17,187 WARN L623 FunctionHandler]: Unknown extern function toupper [2022-11-25 22:23:17,189 WARN L623 FunctionHandler]: Unknown extern function toupper [2022-11-25 22:23:17,191 WARN L623 FunctionHandler]: Unknown extern function toupper [2022-11-25 22:23:17,198 WARN L623 FunctionHandler]: Unknown extern function smp_get_num [2022-11-25 22:23:17,207 WARN L623 FunctionHandler]: Unknown extern function toupper [2022-11-25 22:23:17,209 WARN L623 FunctionHandler]: Unknown extern function toupper [2022-11-25 22:23:17,210 WARN L623 FunctionHandler]: Unknown extern function toupper [2022-11-25 22:23:17,211 WARN L623 FunctionHandler]: Unknown extern function toupper [2022-11-25 22:23:17,226 WARN L623 FunctionHandler]: Unknown extern function smp_get_llnum [2022-11-25 22:23:17,236 WARN L623 FunctionHandler]: Unknown extern function smp_send_req [2022-11-25 22:23:17,248 WARN L623 FunctionHandler]: Unknown extern function smp_get_func_def_resp_len [2022-11-25 22:23:17,250 WARN L623 FunctionHandler]: Unknown extern function dStrHex [2022-11-25 22:23:17,255 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-25 22:23:17,299 INFO L208 MainTranslator]: Completed translation [2022-11-25 22:23:17,300 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:23:17 WrapperNode [2022-11-25 22:23:17,300 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-25 22:23:17,301 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-25 22:23:17,301 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-25 22:23:17,301 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-25 22:23:17,307 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:23:17" (1/1) ... [2022-11-25 22:23:17,335 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:23:17" (1/1) ... [2022-11-25 22:23:17,376 INFO L138 Inliner]: procedures = 36, calls = 639, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 546 [2022-11-25 22:23:17,377 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-25 22:23:17,377 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-25 22:23:17,378 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-25 22:23:17,378 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-25 22:23:17,387 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:23:17" (1/1) ... [2022-11-25 22:23:17,388 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:23:17" (1/1) ... [2022-11-25 22:23:17,393 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:23:17" (1/1) ... [2022-11-25 22:23:17,393 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:23:17" (1/1) ... [2022-11-25 22:23:17,410 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:23:17" (1/1) ... [2022-11-25 22:23:17,415 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:23:17" (1/1) ... [2022-11-25 22:23:17,418 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:23:17" (1/1) ... [2022-11-25 22:23:17,420 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:23:17" (1/1) ... [2022-11-25 22:23:17,424 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-25 22:23:17,425 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-25 22:23:17,425 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-25 22:23:17,426 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-25 22:23:17,426 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:23:17" (1/1) ... [2022-11-25 22:23:17,433 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-25 22:23:17,445 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b44e6f7-9d6b-409b-9334-35245824bfbf/bin/utaipan-ByfvJB40ur/z3 [2022-11-25 22:23:17,458 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b44e6f7-9d6b-409b-9334-35245824bfbf/bin/utaipan-ByfvJB40ur/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-25 22:23:17,467 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b44e6f7-9d6b-409b-9334-35245824bfbf/bin/utaipan-ByfvJB40ur/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-25 22:23:17,523 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-25 22:23:17,523 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-25 22:23:17,524 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-25 22:23:17,524 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-25 22:23:17,524 INFO L130 BoogieDeclarations]: Found specification of procedure smp_send_req [2022-11-25 22:23:17,524 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-11-25 22:23:17,524 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-11-25 22:23:17,525 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-25 22:23:17,527 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-25 22:23:17,528 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-25 22:23:17,528 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-25 22:23:17,528 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2022-11-25 22:23:17,529 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2022-11-25 22:23:17,529 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-25 22:23:17,688 INFO L235 CfgBuilder]: Building ICFG [2022-11-25 22:23:17,690 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-25 22:23:18,418 INFO L276 CfgBuilder]: Performing block encoding [2022-11-25 22:23:18,635 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-25 22:23:18,635 INFO L300 CfgBuilder]: Removed 2 assume(true) statements. [2022-11-25 22:23:18,638 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 10:23:18 BoogieIcfgContainer [2022-11-25 22:23:18,639 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-25 22:23:18,643 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-25 22:23:18,643 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-25 22:23:18,647 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-25 22:23:18,647 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.11 10:23:16" (1/3) ... [2022-11-25 22:23:18,649 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4ff02c8b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 10:23:18, skipping insertion in model container [2022-11-25 22:23:18,650 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:23:17" (2/3) ... [2022-11-25 22:23:18,651 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4ff02c8b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 10:23:18, skipping insertion in model container [2022-11-25 22:23:18,651 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 10:23:18" (3/3) ... [2022-11-25 22:23:18,652 INFO L112 eAbstractionObserver]: Analyzing ICFG discover_list.c [2022-11-25 22:23:18,670 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-25 22:23:18,670 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 42 error locations. [2022-11-25 22:23:18,746 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-25 22:23:18,753 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;@18241ff8, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-25 22:23:18,754 INFO L358 AbstractCegarLoop]: Starting to check reachability of 42 error locations. [2022-11-25 22:23:18,758 INFO L276 IsEmpty]: Start isEmpty. Operand has 128 states, 75 states have (on average 1.8133333333333332) internal successors, (136), 117 states have internal predecessors, (136), 8 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2022-11-25 22:23:18,765 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3 [2022-11-25 22:23:18,765 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 22:23:18,766 INFO L195 NwaCegarLoop]: trace histogram [1, 1] [2022-11-25 22:23:18,767 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 39 more)] === [2022-11-25 22:23:18,775 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 22:23:18,776 INFO L85 PathProgramCache]: Analyzing trace with hash 11543, now seen corresponding path program 1 times [2022-11-25 22:23:18,785 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-25 22:23:18,785 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1260073372] [2022-11-25 22:23:18,787 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 22:23:18,787 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 22:23:19,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 22:23:19,313 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 22:23:19,313 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-25 22:23:19,314 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1260073372] [2022-11-25 22:23:19,314 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1260073372] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 22:23:19,315 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 22:23:19,315 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2022-11-25 22:23:19,317 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1674976496] [2022-11-25 22:23:19,317 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 22:23:19,322 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-25 22:23:19,322 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-25 22:23:19,355 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-25 22:23:19,355 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-25 22:23:19,358 INFO L87 Difference]: Start difference. First operand has 128 states, 75 states have (on average 1.8133333333333332) internal successors, (136), 117 states have internal predecessors, (136), 8 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) Second operand has 3 states, 2 states have (on average 1.0) internal successors, (2), 2 states have internal predecessors, (2), 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) [2022-11-25 22:23:19,545 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 22:23:19,547 INFO L93 Difference]: Finished difference Result 238 states and 278 transitions. [2022-11-25 22:23:19,550 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-25 22:23:19,552 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 1.0) internal successors, (2), 2 states have internal predecessors, (2), 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 2 [2022-11-25 22:23:19,552 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 22:23:19,564 INFO L225 Difference]: With dead ends: 238 [2022-11-25 22:23:19,565 INFO L226 Difference]: Without dead ends: 120 [2022-11-25 22:23:19,569 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-25 22:23:19,576 INFO L413 NwaCegarLoop]: 130 mSDtfsCounter, 126 mSDsluCounter, 10 mSDsCounter, 0 mSdLazyCounter, 19 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 134 SdHoareTripleChecker+Valid, 140 SdHoareTripleChecker+Invalid, 22 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 19 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-25 22:23:19,578 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [134 Valid, 140 Invalid, 22 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 19 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-25 22:23:19,597 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 120 states. [2022-11-25 22:23:19,633 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 120 to 120. [2022-11-25 22:23:19,636 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 120 states, 72 states have (on average 1.6666666666666667) internal successors, (120), 109 states have internal predecessors, (120), 8 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2022-11-25 22:23:19,648 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 120 states to 120 states and 136 transitions. [2022-11-25 22:23:19,651 INFO L78 Accepts]: Start accepts. Automaton has 120 states and 136 transitions. Word has length 2 [2022-11-25 22:23:19,652 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 22:23:19,653 INFO L495 AbstractCegarLoop]: Abstraction has 120 states and 136 transitions. [2022-11-25 22:23:19,653 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 1.0) internal successors, (2), 2 states have internal predecessors, (2), 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) [2022-11-25 22:23:19,656 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 136 transitions. [2022-11-25 22:23:19,658 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2022-11-25 22:23:19,660 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 22:23:19,660 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 22:23:19,660 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-25 22:23:19,662 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 39 more)] === [2022-11-25 22:23:19,662 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 22:23:19,663 INFO L85 PathProgramCache]: Analyzing trace with hash -374282128, now seen corresponding path program 1 times [2022-11-25 22:23:19,663 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-25 22:23:19,663 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2052917943] [2022-11-25 22:23:19,663 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 22:23:19,664 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 22:23:19,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 22:23:19,993 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 22:23:19,994 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-25 22:23:19,995 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2052917943] [2022-11-25 22:23:19,995 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2052917943] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 22:23:19,995 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 22:23:19,996 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-25 22:23:19,996 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [848727382] [2022-11-25 22:23:19,996 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 22:23:19,998 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-25 22:23:19,999 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-25 22:23:20,000 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-25 22:23:20,000 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-25 22:23:20,000 INFO L87 Difference]: Start difference. First operand 120 states and 136 transitions. Second operand has 3 states, 2 states have (on average 6.5) internal successors, (13), 3 states have internal predecessors, (13), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-25 22:23:20,110 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 22:23:20,110 INFO L93 Difference]: Finished difference Result 120 states and 136 transitions. [2022-11-25 22:23:20,111 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-25 22:23:20,111 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 6.5) internal successors, (13), 3 states have internal predecessors, (13), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 15 [2022-11-25 22:23:20,112 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 22:23:20,113 INFO L225 Difference]: With dead ends: 120 [2022-11-25 22:23:20,113 INFO L226 Difference]: Without dead ends: 118 [2022-11-25 22:23:20,114 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-25 22:23:20,115 INFO L413 NwaCegarLoop]: 118 mSDtfsCounter, 102 mSDsluCounter, 16 mSDsCounter, 0 mSdLazyCounter, 21 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 109 SdHoareTripleChecker+Valid, 134 SdHoareTripleChecker+Invalid, 24 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 21 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-25 22:23:20,116 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [109 Valid, 134 Invalid, 24 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 21 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-25 22:23:20,117 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 118 states. [2022-11-25 22:23:20,125 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 118 to 118. [2022-11-25 22:23:20,125 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 118 states, 72 states have (on average 1.6388888888888888) internal successors, (118), 107 states have internal predecessors, (118), 8 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2022-11-25 22:23:20,126 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 118 states and 134 transitions. [2022-11-25 22:23:20,127 INFO L78 Accepts]: Start accepts. Automaton has 118 states and 134 transitions. Word has length 15 [2022-11-25 22:23:20,128 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 22:23:20,128 INFO L495 AbstractCegarLoop]: Abstraction has 118 states and 134 transitions. [2022-11-25 22:23:20,129 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 6.5) internal successors, (13), 3 states have internal predecessors, (13), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-25 22:23:20,129 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 134 transitions. [2022-11-25 22:23:20,129 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2022-11-25 22:23:20,130 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 22:23:20,130 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 22:23:20,130 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-25 22:23:20,130 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 39 more)] === [2022-11-25 22:23:20,131 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 22:23:20,131 INFO L85 PathProgramCache]: Analyzing trace with hash 1282156056, now seen corresponding path program 1 times [2022-11-25 22:23:20,131 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-25 22:23:20,132 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1590731442] [2022-11-25 22:23:20,132 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 22:23:20,132 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 22:23:20,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 22:23:20,332 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 22:23:20,333 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-25 22:23:20,334 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1590731442] [2022-11-25 22:23:20,334 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1590731442] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 22:23:20,335 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 22:23:20,336 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-25 22:23:20,336 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [186191565] [2022-11-25 22:23:20,336 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 22:23:20,337 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-25 22:23:20,337 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-25 22:23:20,339 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-25 22:23:20,339 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-25 22:23:20,340 INFO L87 Difference]: Start difference. First operand 118 states and 134 transitions. Second operand has 3 states, 2 states have (on average 7.0) internal successors, (14), 3 states have internal predecessors, (14), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-25 22:23:20,459 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 22:23:20,459 INFO L93 Difference]: Finished difference Result 124 states and 140 transitions. [2022-11-25 22:23:20,464 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-25 22:23:20,464 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 7.0) internal successors, (14), 3 states have internal predecessors, (14), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 16 [2022-11-25 22:23:20,464 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 22:23:20,465 INFO L225 Difference]: With dead ends: 124 [2022-11-25 22:23:20,466 INFO L226 Difference]: Without dead ends: 122 [2022-11-25 22:23:20,466 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-25 22:23:20,467 INFO L413 NwaCegarLoop]: 121 mSDtfsCounter, 9 mSDsluCounter, 111 mSDsCounter, 0 mSdLazyCounter, 27 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9 SdHoareTripleChecker+Valid, 232 SdHoareTripleChecker+Invalid, 28 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 27 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-25 22:23:20,468 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [9 Valid, 232 Invalid, 28 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 27 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-25 22:23:20,469 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 122 states. [2022-11-25 22:23:20,479 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 122 to 122. [2022-11-25 22:23:20,483 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 122 states, 76 states have (on average 1.605263157894737) internal successors, (122), 111 states have internal predecessors, (122), 8 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2022-11-25 22:23:20,486 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 122 states to 122 states and 138 transitions. [2022-11-25 22:23:20,488 INFO L78 Accepts]: Start accepts. Automaton has 122 states and 138 transitions. Word has length 16 [2022-11-25 22:23:20,488 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 22:23:20,488 INFO L495 AbstractCegarLoop]: Abstraction has 122 states and 138 transitions. [2022-11-25 22:23:20,489 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 7.0) internal successors, (14), 3 states have internal predecessors, (14), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-25 22:23:20,489 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 138 transitions. [2022-11-25 22:23:20,490 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2022-11-25 22:23:20,491 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 22:23:20,491 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 22:23:20,491 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-25 22:23:20,491 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 39 more)] === [2022-11-25 22:23:20,492 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 22:23:20,492 INFO L85 PathProgramCache]: Analyzing trace with hash -376538935, now seen corresponding path program 1 times [2022-11-25 22:23:20,492 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-25 22:23:20,493 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [347797297] [2022-11-25 22:23:20,493 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 22:23:20,493 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 22:23:20,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 22:23:20,882 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 22:23:20,882 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-25 22:23:20,882 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [347797297] [2022-11-25 22:23:20,882 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [347797297] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 22:23:20,883 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 22:23:20,883 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-25 22:23:20,883 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1852418902] [2022-11-25 22:23:20,883 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 22:23:20,884 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-25 22:23:20,884 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-25 22:23:20,885 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-25 22:23:20,885 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-25 22:23:20,885 INFO L87 Difference]: Start difference. First operand 122 states and 138 transitions. Second operand has 4 states, 3 states have (on average 6.0) internal successors, (18), 4 states have internal predecessors, (18), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-25 22:23:21,049 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 22:23:21,049 INFO L93 Difference]: Finished difference Result 244 states and 279 transitions. [2022-11-25 22:23:21,050 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-25 22:23:21,050 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 6.0) internal successors, (18), 4 states have internal predecessors, (18), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 20 [2022-11-25 22:23:21,051 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 22:23:21,053 INFO L225 Difference]: With dead ends: 244 [2022-11-25 22:23:21,053 INFO L226 Difference]: Without dead ends: 128 [2022-11-25 22:23:21,054 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-25 22:23:21,055 INFO L413 NwaCegarLoop]: 122 mSDtfsCounter, 5 mSDsluCounter, 238 mSDsCounter, 0 mSdLazyCounter, 47 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5 SdHoareTripleChecker+Valid, 360 SdHoareTripleChecker+Invalid, 49 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 47 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-25 22:23:21,056 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5 Valid, 360 Invalid, 49 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 47 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-25 22:23:21,057 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 128 states. [2022-11-25 22:23:21,065 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 128 to 126. [2022-11-25 22:23:21,066 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 126 states, 79 states have (on average 1.6075949367088607) internal successors, (127), 114 states have internal predecessors, (127), 8 states have call successors, (8), 3 states have call predecessors, (8), 3 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2022-11-25 22:23:21,067 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 126 states to 126 states and 143 transitions. [2022-11-25 22:23:21,067 INFO L78 Accepts]: Start accepts. Automaton has 126 states and 143 transitions. Word has length 20 [2022-11-25 22:23:21,067 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 22:23:21,067 INFO L495 AbstractCegarLoop]: Abstraction has 126 states and 143 transitions. [2022-11-25 22:23:21,068 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 6.0) internal successors, (18), 4 states have internal predecessors, (18), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-25 22:23:21,068 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states and 143 transitions. [2022-11-25 22:23:21,068 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2022-11-25 22:23:21,068 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 22:23:21,069 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] [2022-11-25 22:23:21,069 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-25 22:23:21,069 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 39 more)] === [2022-11-25 22:23:21,069 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 22:23:21,070 INFO L85 PathProgramCache]: Analyzing trace with hash -799098331, now seen corresponding path program 1 times [2022-11-25 22:23:21,070 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-25 22:23:21,070 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1265525755] [2022-11-25 22:23:21,070 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 22:23:21,070 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 22:23:21,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 22:23:21,418 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 22:23:21,418 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-25 22:23:21,418 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1265525755] [2022-11-25 22:23:21,418 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1265525755] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-25 22:23:21,419 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1345705874] [2022-11-25 22:23:21,419 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 22:23:21,419 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-25 22:23:21,419 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b44e6f7-9d6b-409b-9334-35245824bfbf/bin/utaipan-ByfvJB40ur/z3 [2022-11-25 22:23:21,423 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b44e6f7-9d6b-409b-9334-35245824bfbf/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-25 22:23:21,434 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b44e6f7-9d6b-409b-9334-35245824bfbf/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-11-25 22:23:21,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 22:23:21,665 INFO L263 TraceCheckSpWp]: Trace formula consists of 579 conjuncts, 48 conjunts are in the unsatisfiable core [2022-11-25 22:23:21,674 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-25 22:23:21,768 INFO L321 Elim1Store]: treesize reduction 16, result has 36.0 percent of original size [2022-11-25 22:23:21,769 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 32 treesize of output 34 [2022-11-25 22:23:21,974 INFO L321 Elim1Store]: treesize reduction 74, result has 26.7 percent of original size [2022-11-25 22:23:21,974 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 5 new quantified variables, introduced 7 case distinctions, treesize of input 97 treesize of output 125 [2022-11-25 22:23:22,140 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 115 treesize of output 123 [2022-11-25 22:23:22,320 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-25 22:23:22,321 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 36 treesize of output 38 [2022-11-25 22:23:22,625 INFO L321 Elim1Store]: treesize reduction 204, result has 25.3 percent of original size [2022-11-25 22:23:22,626 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 6 select indices, 6 select index equivalence classes, 2 disjoint index pairs (out of 15 index pairs), introduced 8 new quantified variables, introduced 22 case distinctions, treesize of input 189 treesize of output 247 [2022-11-25 22:23:29,041 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 4 [2022-11-25 22:23:31,996 INFO L321 Elim1Store]: treesize reduction 120, result has 11.8 percent of original size [2022-11-25 22:23:31,997 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 2 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 12 case distinctions, treesize of input 97 treesize of output 95 [2022-11-25 22:23:32,203 INFO L321 Elim1Store]: treesize reduction 312, result has 9.0 percent of original size [2022-11-25 22:23:32,204 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 2 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 33 case distinctions, treesize of input 118 treesize of output 125 [2022-11-25 22:23:32,334 INFO L321 Elim1Store]: treesize reduction 176, result has 10.7 percent of original size [2022-11-25 22:23:32,334 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 2 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 18 case distinctions, treesize of input 97 treesize of output 100 [2022-11-25 22:23:32,383 INFO L321 Elim1Store]: treesize reduction 33, result has 13.2 percent of original size [2022-11-25 22:23:32,383 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 75 treesize of output 69 [2022-11-25 22:23:32,452 INFO L321 Elim1Store]: treesize reduction 72, result has 13.3 percent of original size [2022-11-25 22:23:32,453 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 2 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 7 case distinctions, treesize of input 76 treesize of output 73 [2022-11-25 22:23:32,487 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 25 [2022-11-25 22:23:32,509 INFO L321 Elim1Store]: treesize reduction 196, result has 0.5 percent of original size [2022-11-25 22:23:32,510 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 2 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 18 case distinctions, treesize of input 118 treesize of output 101 [2022-11-25 22:23:32,548 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 25 [2022-11-25 22:23:32,571 INFO L321 Elim1Store]: treesize reduction 135, result has 0.7 percent of original size [2022-11-25 22:23:32,571 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 2 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 12 case distinctions, treesize of input 118 treesize of output 101 [2022-11-25 22:23:32,589 INFO L321 Elim1Store]: treesize reduction 37, result has 2.6 percent of original size [2022-11-25 22:23:32,589 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 97 treesize of output 86 [2022-11-25 22:23:32,624 INFO L321 Elim1Store]: treesize reduction 82, result has 1.2 percent of original size [2022-11-25 22:23:32,624 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 2 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 7 case distinctions, treesize of input 90 treesize of output 77 [2022-11-25 22:23:32,852 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 7 [2022-11-25 22:23:32,939 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 25 treesize of output 25 [2022-11-25 22:23:33,062 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 10 [2022-11-25 22:23:33,098 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 22:23:33,098 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-25 22:23:33,284 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1345705874] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-25 22:23:33,284 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [240009467] [2022-11-25 22:23:33,304 INFO L159 IcfgInterpreter]: Started Sifa with 21 locations of interest [2022-11-25 22:23:33,304 INFO L166 IcfgInterpreter]: Building call graph [2022-11-25 22:23:33,308 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-25 22:23:33,313 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-25 22:23:33,314 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-25 22:23:33,807 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:23:33,828 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:23:33,834 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:23:33,849 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:23:33,850 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:23:33,853 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:23:33,854 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:23:33,870 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:23:33,876 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:23:33,880 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:23:33,884 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:23:33,885 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:23:35,027 INFO L321 Elim1Store]: treesize reduction 874, result has 23.3 percent of original size [2022-11-25 22:23:35,028 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 12 select indices, 12 select index equivalence classes, 93 disjoint index pairs (out of 66 index pairs), introduced 12 new quantified variables, introduced 15 case distinctions, treesize of input 79 treesize of output 311 [2022-11-25 22:23:35,301 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:23:35,309 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:23:35,320 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:23:35,339 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:23:35,400 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:23:35,409 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:23:35,413 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:23:35,418 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:23:35,423 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:23:35,431 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:23:35,470 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:23:35,474 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:23:35,531 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:23:35,537 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:23:35,539 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:23:35,553 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:23:35,574 INFO L217 Elim1Store]: Index analysis took 182 ms [2022-11-25 22:23:37,514 INFO L321 Elim1Store]: treesize reduction 1319, result has 17.7 percent of original size [2022-11-25 22:23:37,515 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 18 select indices, 18 select index equivalence classes, 95 disjoint index pairs (out of 153 index pairs), introduced 18 new quantified variables, introduced 76 case distinctions, treesize of input 133 treesize of output 377 [2022-11-25 22:23:39,957 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:23:40,181 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:23:40,182 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:23:40,184 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:23:40,187 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:23:40,189 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:23:40,191 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:23:40,192 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:23:40,193 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:23:40,195 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:23:40,196 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:23:40,197 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:23:40,199 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:23:40,201 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:23:40,203 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:23:40,205 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:23:40,207 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:23:40,210 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:23:40,212 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:23:40,216 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:23:40,218 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:23:40,221 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:23:40,223 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:23:40,224 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:23:40,227 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:23:40,228 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:23:40,231 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:23:40,233 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:23:40,240 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:23:40,242 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:23:40,248 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:23:40,251 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:23:40,252 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:23:40,255 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:23:40,256 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:23:40,258 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:23:40,259 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:23:40,261 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:23:40,263 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:23:40,265 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:23:40,268 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:23:40,270 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:23:40,272 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:23:40,274 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:23:40,276 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:23:40,278 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:23:40,280 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:23:40,282 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:23:40,284 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:23:40,286 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:23:40,288 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:23:40,290 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:23:40,292 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:23:40,294 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:23:40,296 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:23:40,298 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:23:40,300 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:23:40,302 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:23:40,304 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:23:40,306 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:23:40,307 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:23:40,309 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:23:40,311 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:23:40,312 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:23:40,313 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:23:40,314 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:23:40,315 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:23:40,316 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:23:40,318 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:23:40,319 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:23:40,320 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:23:40,321 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:23:40,322 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:23:40,323 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:23:40,324 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:23:40,325 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:23:40,327 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:23:40,328 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:23:40,329 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:23:40,331 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:23:40,332 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:23:40,335 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:23:40,337 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:23:40,339 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:23:40,341 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:23:40,343 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:23:40,346 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:23:40,348 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:23:40,350 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:23:40,352 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:23:40,354 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:23:40,358 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:23:40,361 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:23:40,363 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:23:40,365 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:23:40,367 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:23:40,370 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:23:40,371 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:23:40,373 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:23:40,375 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:23:40,377 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:23:40,379 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:23:40,381 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:23:40,383 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:23:40,385 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:23:40,386 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:23:40,388 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:23:40,390 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:23:40,391 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:23:40,394 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:23:40,396 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:23:40,398 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:23:40,399 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:23:40,401 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:23:40,403 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:23:40,405 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:23:40,406 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:23:40,407 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:23:40,409 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:23:40,410 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:23:40,411 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:23:40,413 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:23:40,414 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:23:40,415 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:23:40,416 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:23:40,417 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:23:40,419 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:23:40,420 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:23:40,421 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:23:40,422 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:23:40,424 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:23:40,425 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:23:40,426 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:23:40,428 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:23:40,429 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:23:40,430 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:23:40,440 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:23:40,442 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:23:40,463 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:23:40,465 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:23:40,467 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:23:40,471 INFO L217 Elim1Store]: Index analysis took 291 ms [2022-11-25 22:23:40,631 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 10 stores, 149 select indices, 149 select index equivalence classes, 5109 disjoint index pairs (out of 11026 index pairs), introduced 159 new quantified variables, introduced 0 case distinctions, treesize of input 8847 treesize of output 16489 [2022-11-25 22:29:27,961 WARN L233 SmtUtils]: Spent 5.26s on a formula simplification that was a NOOP. DAG size: 18561 (called from [L 800] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2022-11-25 22:29:33,806 WARN L233 SmtUtils]: Spent 5.75s on a formula simplification that was a NOOP. DAG size: 18561 (called from [L 171] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.eliminate) [2022-11-25 22:29:39,681 WARN L233 SmtUtils]: Spent 5.60s on a formula simplification. DAG size of input: 18563 DAG size of output: 18558 (called from [L 800] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2022-11-25 22:37:30,691 WARN L233 SmtUtils]: Spent 9.62s on a formula simplification that was a NOOP. DAG size: 26904 (called from [L 166] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.eliminate) [2022-11-25 22:37:40,347 WARN L233 SmtUtils]: Spent 9.55s on a formula simplification that was a NOOP. DAG size: 26803 (called from [L 800] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2022-11-25 22:37:50,006 WARN L233 SmtUtils]: Spent 9.57s on a formula simplification that was a NOOP. DAG size: 26803 (called from [L 171] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.eliminate) [2022-11-25 22:37:59,861 WARN L233 SmtUtils]: Spent 9.59s on a formula simplification. DAG size of input: 26805 DAG size of output: 26798 (called from [L 800] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify)