./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/uthash-2.0.2/uthash_JEN_test7-1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 2329fc70 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_6601c00e-7a38-4847-a7c8-1ef92715f545/bin/utaipan-gh47qXpMRh/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6601c00e-7a38-4847-a7c8-1ef92715f545/bin/utaipan-gh47qXpMRh/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6601c00e-7a38-4847-a7c8-1ef92715f545/bin/utaipan-gh47qXpMRh/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6601c00e-7a38-4847-a7c8-1ef92715f545/bin/utaipan-gh47qXpMRh/config/TaipanReach.xml -i ../../sv-benchmarks/c/uthash-2.0.2/uthash_JEN_test7-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6601c00e-7a38-4847-a7c8-1ef92715f545/bin/utaipan-gh47qXpMRh/config/svcomp-Overflow-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6601c00e-7a38-4847-a7c8-1ef92715f545/bin/utaipan-gh47qXpMRh --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 22b4144b7005899e18ff8135fa52f12863f7106dbe1ddb808d25d8593c5f8fc4 --- 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-2329fc7 [2022-12-14 16:14:45,729 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-14 16:14:45,730 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-14 16:14:45,743 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-14 16:14:45,743 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-14 16:14:45,744 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-14 16:14:45,745 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-14 16:14:45,746 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-14 16:14:45,747 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-14 16:14:45,748 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-14 16:14:45,748 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-14 16:14:45,749 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-14 16:14:45,749 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-14 16:14:45,750 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-14 16:14:45,751 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-14 16:14:45,751 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-14 16:14:45,752 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-14 16:14:45,753 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-14 16:14:45,754 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-14 16:14:45,755 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-14 16:14:45,756 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-14 16:14:45,757 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-14 16:14:45,758 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-14 16:14:45,758 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-14 16:14:45,761 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-14 16:14:45,761 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-14 16:14:45,761 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-14 16:14:45,762 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-14 16:14:45,762 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-14 16:14:45,763 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-14 16:14:45,763 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-14 16:14:45,764 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-14 16:14:45,764 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-14 16:14:45,765 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-14 16:14:45,765 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-14 16:14:45,765 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-14 16:14:45,766 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-14 16:14:45,766 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-14 16:14:45,766 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-14 16:14:45,767 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-14 16:14:45,767 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-14 16:14:45,768 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6601c00e-7a38-4847-a7c8-1ef92715f545/bin/utaipan-gh47qXpMRh/config/svcomp-Overflow-32bit-Taipan_Default.epf [2022-12-14 16:14:45,783 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-14 16:14:45,783 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-14 16:14:45,783 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-14 16:14:45,783 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-14 16:14:45,784 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-14 16:14:45,784 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-14 16:14:45,784 INFO L138 SettingsManager]: * User list type=DISABLED [2022-12-14 16:14:45,784 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-12-14 16:14:45,784 INFO L138 SettingsManager]: * Explicit value domain=true [2022-12-14 16:14:45,784 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-12-14 16:14:45,784 INFO L138 SettingsManager]: * Octagon Domain=false [2022-12-14 16:14:45,784 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-12-14 16:14:45,785 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-12-14 16:14:45,785 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-12-14 16:14:45,785 INFO L138 SettingsManager]: * Interval Domain=false [2022-12-14 16:14:45,785 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-12-14 16:14:45,785 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-12-14 16:14:45,785 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-12-14 16:14:45,786 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-14 16:14:45,786 INFO L138 SettingsManager]: * sizeof long=4 [2022-12-14 16:14:45,786 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-12-14 16:14:45,786 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-14 16:14:45,786 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-12-14 16:14:45,786 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-14 16:14:45,786 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-14 16:14:45,787 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-14 16:14:45,787 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-14 16:14:45,787 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-12-14 16:14:45,787 INFO L138 SettingsManager]: * sizeof long double=12 [2022-12-14 16:14:45,787 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-14 16:14:45,787 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-14 16:14:45,787 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-14 16:14:45,787 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-14 16:14:45,788 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-14 16:14:45,788 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-14 16:14:45,788 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-14 16:14:45,788 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-12-14 16:14:45,788 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-14 16:14:45,788 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-14 16:14:45,788 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-12-14 16:14:45,788 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-14 16:14:45,788 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-14 16:14:45,789 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-12-14 16:14:45,789 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_6601c00e-7a38-4847-a7c8-1ef92715f545/bin/utaipan-gh47qXpMRh/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6601c00e-7a38-4847-a7c8-1ef92715f545/bin/utaipan-gh47qXpMRh Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 22b4144b7005899e18ff8135fa52f12863f7106dbe1ddb808d25d8593c5f8fc4 [2022-12-14 16:14:45,951 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-14 16:14:45,969 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-14 16:14:45,971 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-14 16:14:45,971 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-14 16:14:45,972 INFO L275 PluginConnector]: CDTParser initialized [2022-12-14 16:14:45,973 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6601c00e-7a38-4847-a7c8-1ef92715f545/bin/utaipan-gh47qXpMRh/../../sv-benchmarks/c/uthash-2.0.2/uthash_JEN_test7-1.i [2022-12-14 16:14:48,540 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-14 16:14:48,721 INFO L351 CDTParser]: Found 1 translation units. [2022-12-14 16:14:48,721 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6601c00e-7a38-4847-a7c8-1ef92715f545/sv-benchmarks/c/uthash-2.0.2/uthash_JEN_test7-1.i [2022-12-14 16:14:48,731 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6601c00e-7a38-4847-a7c8-1ef92715f545/bin/utaipan-gh47qXpMRh/data/b88b88d48/6510ee0260174d5db5fedeabecd404dc/FLAGe6b95165c [2022-12-14 16:14:48,742 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6601c00e-7a38-4847-a7c8-1ef92715f545/bin/utaipan-gh47qXpMRh/data/b88b88d48/6510ee0260174d5db5fedeabecd404dc [2022-12-14 16:14:48,744 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-14 16:14:48,745 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-14 16:14:48,746 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-14 16:14:48,746 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-14 16:14:48,749 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-14 16:14:48,750 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 04:14:48" (1/1) ... [2022-12-14 16:14:48,750 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@752819f6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 04:14:48, skipping insertion in model container [2022-12-14 16:14:48,751 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 04:14:48" (1/1) ... [2022-12-14 16:14:48,756 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-14 16:14:48,788 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-14 16:14:49,019 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_6601c00e-7a38-4847-a7c8-1ef92715f545/sv-benchmarks/c/uthash-2.0.2/uthash_JEN_test7-1.i[33021,33034] [2022-12-14 16:14:49,073 WARN L623 FunctionHandler]: Unknown extern function memcmp [2022-12-14 16:14:49,079 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_6601c00e-7a38-4847-a7c8-1ef92715f545/sv-benchmarks/c/uthash-2.0.2/uthash_JEN_test7-1.i[44124,44137] [2022-12-14 16:14:49,080 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_6601c00e-7a38-4847-a7c8-1ef92715f545/sv-benchmarks/c/uthash-2.0.2/uthash_JEN_test7-1.i[44245,44258] [2022-12-14 16:14:49,085 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 16:14:49,092 INFO L203 MainTranslator]: Completed pre-run [2022-12-14 16:14:49,114 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_6601c00e-7a38-4847-a7c8-1ef92715f545/sv-benchmarks/c/uthash-2.0.2/uthash_JEN_test7-1.i[33021,33034] [2022-12-14 16:14:49,162 WARN L623 FunctionHandler]: Unknown extern function memcmp [2022-12-14 16:14:49,175 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_6601c00e-7a38-4847-a7c8-1ef92715f545/sv-benchmarks/c/uthash-2.0.2/uthash_JEN_test7-1.i[44124,44137] [2022-12-14 16:14:49,176 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_6601c00e-7a38-4847-a7c8-1ef92715f545/sv-benchmarks/c/uthash-2.0.2/uthash_JEN_test7-1.i[44245,44258] [2022-12-14 16:14:49,180 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 16:14:49,206 INFO L208 MainTranslator]: Completed translation [2022-12-14 16:14:49,206 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 04:14:49 WrapperNode [2022-12-14 16:14:49,206 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-14 16:14:49,207 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-14 16:14:49,207 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-14 16:14:49,208 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-14 16:14:49,213 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 04:14:49" (1/1) ... [2022-12-14 16:14:49,240 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 04:14:49" (1/1) ... [2022-12-14 16:14:49,282 INFO L138 Inliner]: procedures = 176, calls = 277, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 998 [2022-12-14 16:14:49,282 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-14 16:14:49,283 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-14 16:14:49,283 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-14 16:14:49,283 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-14 16:14:49,293 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 04:14:49" (1/1) ... [2022-12-14 16:14:49,293 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 04:14:49" (1/1) ... [2022-12-14 16:14:49,303 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 04:14:49" (1/1) ... [2022-12-14 16:14:49,303 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 04:14:49" (1/1) ... [2022-12-14 16:14:49,340 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 04:14:49" (1/1) ... [2022-12-14 16:14:49,350 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 04:14:49" (1/1) ... [2022-12-14 16:14:49,355 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 04:14:49" (1/1) ... [2022-12-14 16:14:49,359 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 04:14:49" (1/1) ... [2022-12-14 16:14:49,369 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-14 16:14:49,370 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-14 16:14:49,370 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-14 16:14:49,370 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-14 16:14:49,371 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 04:14:49" (1/1) ... [2022-12-14 16:14:49,377 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-14 16:14:49,387 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6601c00e-7a38-4847-a7c8-1ef92715f545/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 16:14:49,399 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6601c00e-7a38-4847-a7c8-1ef92715f545/bin/utaipan-gh47qXpMRh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-12-14 16:14:49,401 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6601c00e-7a38-4847-a7c8-1ef92715f545/bin/utaipan-gh47qXpMRh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-12-14 16:14:49,426 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-12-14 16:14:49,426 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-12-14 16:14:49,426 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-12-14 16:14:49,427 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-12-14 16:14:49,427 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-12-14 16:14:49,427 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-14 16:14:49,427 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-12-14 16:14:49,427 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-12-14 16:14:49,427 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2022-12-14 16:14:49,428 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-12-14 16:14:49,428 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-14 16:14:49,428 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-14 16:14:49,428 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-14 16:14:49,428 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-14 16:14:49,587 INFO L235 CfgBuilder]: Building ICFG [2022-12-14 16:14:49,589 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-14 16:14:50,517 INFO L276 CfgBuilder]: Performing block encoding [2022-12-14 16:14:50,819 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-14 16:14:50,819 INFO L300 CfgBuilder]: Removed 63 assume(true) statements. [2022-12-14 16:14:50,821 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 04:14:50 BoogieIcfgContainer [2022-12-14 16:14:50,822 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-14 16:14:50,824 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-14 16:14:50,825 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-14 16:14:50,828 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-14 16:14:50,828 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.12 04:14:48" (1/3) ... [2022-12-14 16:14:50,828 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@86fee1e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.12 04:14:50, skipping insertion in model container [2022-12-14 16:14:50,829 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 04:14:49" (2/3) ... [2022-12-14 16:14:50,829 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@86fee1e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.12 04:14:50, skipping insertion in model container [2022-12-14 16:14:50,829 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 04:14:50" (3/3) ... [2022-12-14 16:14:50,830 INFO L112 eAbstractionObserver]: Analyzing ICFG uthash_JEN_test7-1.i [2022-12-14 16:14:50,850 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-14 16:14:50,850 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 6 error locations. [2022-12-14 16:14:50,902 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-12-14 16:14:50,907 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;@429e08db, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-12-14 16:14:50,907 INFO L358 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2022-12-14 16:14:50,911 INFO L276 IsEmpty]: Start isEmpty. Operand has 116 states, 105 states have (on average 1.819047619047619) internal successors, (191), 111 states have internal predecessors, (191), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-12-14 16:14:50,915 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2022-12-14 16:14:50,915 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 16:14:50,916 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1] [2022-12-14 16:14:50,916 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2022-12-14 16:14:50,920 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 16:14:50,920 INFO L85 PathProgramCache]: Analyzing trace with hash 24408931, now seen corresponding path program 1 times [2022-12-14 16:14:50,927 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 16:14:50,927 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [509981392] [2022-12-14 16:14:50,928 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 16:14:50,928 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 16:14:51,028 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-12-14 16:14:51,029 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [432563575] [2022-12-14 16:14:51,029 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 16:14:51,029 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 16:14:51,030 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6601c00e-7a38-4847-a7c8-1ef92715f545/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 16:14:51,031 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6601c00e-7a38-4847-a7c8-1ef92715f545/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-14 16:14:51,032 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6601c00e-7a38-4847-a7c8-1ef92715f545/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-12-14 16:14:51,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 16:14:51,172 INFO L263 TraceCheckSpWp]: Trace formula consists of 82 conjuncts, 15 conjunts are in the unsatisfiable core [2022-12-14 16:14:51,177 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 16:14:51,226 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 [2022-12-14 16:14:51,234 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 [2022-12-14 16:14:51,266 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:14:51,269 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 22 treesize of output 10 [2022-12-14 16:14:51,280 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 16:14:51,280 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-14 16:14:51,280 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 16:14:51,280 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [509981392] [2022-12-14 16:14:51,280 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-12-14 16:14:51,281 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [432563575] [2022-12-14 16:14:51,281 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [432563575] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 16:14:51,281 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 16:14:51,281 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-14 16:14:51,283 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [348545844] [2022-12-14 16:14:51,284 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 16:14:51,287 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-14 16:14:51,287 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 16:14:51,306 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-14 16:14:51,307 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-12-14 16:14:51,309 INFO L87 Difference]: Start difference. First operand has 116 states, 105 states have (on average 1.819047619047619) internal successors, (191), 111 states have internal predecessors, (191), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) 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) [2022-12-14 16:14:52,176 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 16:14:52,177 INFO L93 Difference]: Finished difference Result 285 states and 496 transitions. [2022-12-14 16:14:52,180 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-12-14 16:14:52,181 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 [2022-12-14 16:14:52,181 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 16:14:52,187 INFO L225 Difference]: With dead ends: 285 [2022-12-14 16:14:52,187 INFO L226 Difference]: Without dead ends: 165 [2022-12-14 16:14:52,189 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 [2022-12-14 16:14:52,191 INFO L413 NwaCegarLoop]: 105 mSDtfsCounter, 58 mSDsluCounter, 187 mSDsCounter, 0 mSdLazyCounter, 109 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 58 SdHoareTripleChecker+Valid, 292 SdHoareTripleChecker+Invalid, 113 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 109 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2022-12-14 16:14:52,191 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [58 Valid, 292 Invalid, 113 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 109 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2022-12-14 16:14:52,203 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 165 states. [2022-12-14 16:14:52,218 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 165 to 117. [2022-12-14 16:14:52,219 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 117 states, 107 states have (on average 1.2149532710280373) internal successors, (130), 112 states have internal predecessors, (130), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-12-14 16:14:52,220 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117 states to 117 states and 136 transitions. [2022-12-14 16:14:52,221 INFO L78 Accepts]: Start accepts. Automaton has 117 states and 136 transitions. Word has length 4 [2022-12-14 16:14:52,221 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 16:14:52,221 INFO L495 AbstractCegarLoop]: Abstraction has 117 states and 136 transitions. [2022-12-14 16:14:52,222 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) [2022-12-14 16:14:52,222 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 136 transitions. [2022-12-14 16:14:52,223 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2022-12-14 16:14:52,223 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 16:14:52,223 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] [2022-12-14 16:14:52,228 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6601c00e-7a38-4847-a7c8-1ef92715f545/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-12-14 16:14:52,424 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6601c00e-7a38-4847-a7c8-1ef92715f545/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 16:14:52,425 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2022-12-14 16:14:52,427 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 16:14:52,427 INFO L85 PathProgramCache]: Analyzing trace with hash 2001327283, now seen corresponding path program 1 times [2022-12-14 16:14:52,427 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 16:14:52,428 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [33124452] [2022-12-14 16:14:52,428 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 16:14:52,429 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 16:14:52,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 16:14:52,711 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 16:14:52,711 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 16:14:52,711 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [33124452] [2022-12-14 16:14:52,711 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [33124452] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 16:14:52,712 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 16:14:52,712 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-14 16:14:52,712 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1632151097] [2022-12-14 16:14:52,712 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 16:14:52,713 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-14 16:14:52,713 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 16:14:52,713 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-14 16:14:52,713 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-12-14 16:14:52,714 INFO L87 Difference]: Start difference. First operand 117 states and 136 transitions. Second operand has 4 states, 4 states have (on average 6.25) internal successors, (25), 3 states have internal predecessors, (25), 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) [2022-12-14 16:14:54,406 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 16:14:54,407 INFO L93 Difference]: Finished difference Result 211 states and 247 transitions. [2022-12-14 16:14:54,410 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-12-14 16:14:54,410 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 6.25) internal successors, (25), 3 states have internal predecessors, (25), 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 25 [2022-12-14 16:14:54,410 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 16:14:54,411 INFO L225 Difference]: With dead ends: 211 [2022-12-14 16:14:54,411 INFO L226 Difference]: Without dead ends: 159 [2022-12-14 16:14:54,412 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 [2022-12-14 16:14:54,412 INFO L413 NwaCegarLoop]: 106 mSDtfsCounter, 50 mSDsluCounter, 190 mSDsCounter, 0 mSdLazyCounter, 95 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 50 SdHoareTripleChecker+Valid, 296 SdHoareTripleChecker+Invalid, 97 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 95 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2022-12-14 16:14:54,413 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [50 Valid, 296 Invalid, 97 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 95 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2022-12-14 16:14:54,413 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 159 states. [2022-12-14 16:14:54,418 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 159 to 117. [2022-12-14 16:14:54,418 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 117 states, 107 states have (on average 1.205607476635514) internal successors, (129), 112 states have internal predecessors, (129), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-12-14 16:14:54,418 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117 states to 117 states and 135 transitions. [2022-12-14 16:14:54,419 INFO L78 Accepts]: Start accepts. Automaton has 117 states and 135 transitions. Word has length 25 [2022-12-14 16:14:54,419 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 16:14:54,419 INFO L495 AbstractCegarLoop]: Abstraction has 117 states and 135 transitions. [2022-12-14 16:14:54,419 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 6.25) internal successors, (25), 3 states have internal predecessors, (25), 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) [2022-12-14 16:14:54,419 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 135 transitions. [2022-12-14 16:14:54,419 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2022-12-14 16:14:54,420 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 16:14:54,420 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] [2022-12-14 16:14:54,420 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-12-14 16:14:54,420 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2022-12-14 16:14:54,420 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 16:14:54,420 INFO L85 PathProgramCache]: Analyzing trace with hash 1034865974, now seen corresponding path program 1 times [2022-12-14 16:14:54,420 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 16:14:54,420 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2119670144] [2022-12-14 16:14:54,420 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 16:14:54,421 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 16:14:54,510 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-12-14 16:14:54,510 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1733185510] [2022-12-14 16:14:54,510 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 16:14:54,510 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 16:14:54,510 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6601c00e-7a38-4847-a7c8-1ef92715f545/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 16:14:54,511 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6601c00e-7a38-4847-a7c8-1ef92715f545/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-14 16:14:54,512 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6601c00e-7a38-4847-a7c8-1ef92715f545/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-12-14 16:14:54,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 16:14:54,999 INFO L263 TraceCheckSpWp]: Trace formula consists of 1576 conjuncts, 5 conjunts are in the unsatisfiable core [2022-12-14 16:14:55,001 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 16:14:55,042 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 16:14:55,043 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-14 16:14:55,043 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 16:14:55,043 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2119670144] [2022-12-14 16:14:55,043 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-12-14 16:14:55,043 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1733185510] [2022-12-14 16:14:55,043 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1733185510] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 16:14:55,043 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 16:14:55,043 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-14 16:14:55,043 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1856678663] [2022-12-14 16:14:55,043 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 16:14:55,044 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-14 16:14:55,044 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 16:14:55,044 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-14 16:14:55,044 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 16:14:55,044 INFO L87 Difference]: Start difference. First operand 117 states and 135 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) [2022-12-14 16:14:55,740 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 16:14:55,740 INFO L93 Difference]: Finished difference Result 277 states and 319 transitions. [2022-12-14 16:14:55,743 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-14 16:14:55,744 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 [2022-12-14 16:14:55,744 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 16:14:55,745 INFO L225 Difference]: With dead ends: 277 [2022-12-14 16:14:55,745 INFO L226 Difference]: Without dead ends: 165 [2022-12-14 16:14:55,745 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 [2022-12-14 16:14:55,746 INFO L413 NwaCegarLoop]: 125 mSDtfsCounter, 46 mSDsluCounter, 91 mSDsCounter, 0 mSdLazyCounter, 50 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 48 SdHoareTripleChecker+Valid, 216 SdHoareTripleChecker+Invalid, 55 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 50 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-12-14 16:14:55,747 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [48 Valid, 216 Invalid, 55 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 50 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-12-14 16:14:55,748 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 165 states. [2022-12-14 16:14:55,756 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 165 to 162. [2022-12-14 16:14:55,756 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 162 states, 152 states have (on average 1.1842105263157894) internal successors, (180), 157 states have internal predecessors, (180), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-12-14 16:14:55,757 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 162 states to 162 states and 186 transitions. [2022-12-14 16:14:55,757 INFO L78 Accepts]: Start accepts. Automaton has 162 states and 186 transitions. Word has length 28 [2022-12-14 16:14:55,757 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 16:14:55,758 INFO L495 AbstractCegarLoop]: Abstraction has 162 states and 186 transitions. [2022-12-14 16:14:55,758 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) [2022-12-14 16:14:55,758 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 186 transitions. [2022-12-14 16:14:55,759 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2022-12-14 16:14:55,759 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 16:14:55,759 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] [2022-12-14 16:14:55,766 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6601c00e-7a38-4847-a7c8-1ef92715f545/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2022-12-14 16:14:55,960 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6601c00e-7a38-4847-a7c8-1ef92715f545/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable2 [2022-12-14 16:14:55,961 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2022-12-14 16:14:55,962 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 16:14:55,962 INFO L85 PathProgramCache]: Analyzing trace with hash -1866068418, now seen corresponding path program 1 times [2022-12-14 16:14:55,963 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 16:14:55,963 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [368686556] [2022-12-14 16:14:55,963 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 16:14:55,964 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 16:14:56,041 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-12-14 16:14:56,041 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1214244340] [2022-12-14 16:14:56,041 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 16:14:56,042 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 16:14:56,042 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6601c00e-7a38-4847-a7c8-1ef92715f545/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 16:14:56,043 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6601c00e-7a38-4847-a7c8-1ef92715f545/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-14 16:14:56,043 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6601c00e-7a38-4847-a7c8-1ef92715f545/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-12-14 16:15:27,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 16:15:27,537 INFO L263 TraceCheckSpWp]: Trace formula consists of 713 conjuncts, 5 conjunts are in the unsatisfiable core [2022-12-14 16:15:27,540 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 16:15:27,556 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 16:15:27,556 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-14 16:15:27,556 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 16:15:27,556 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [368686556] [2022-12-14 16:15:27,556 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-12-14 16:15:27,556 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1214244340] [2022-12-14 16:15:27,556 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1214244340] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 16:15:27,556 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 16:15:27,557 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-12-14 16:15:27,557 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1503468841] [2022-12-14 16:15:27,557 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 16:15:27,557 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-14 16:15:27,557 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 16:15:27,558 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-14 16:15:27,558 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-12-14 16:15:27,559 INFO L87 Difference]: Start difference. First operand 162 states and 186 transitions. Second operand has 4 states, 3 states have (on average 12.333333333333334) internal successors, (37), 4 states have internal predecessors, (37), 2 states have call successors, (2), 2 states have call predecessors, (2), 2 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) [2022-12-14 16:15:28,476 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 16:15:28,476 INFO L93 Difference]: Finished difference Result 308 states and 358 transitions. [2022-12-14 16:15:28,479 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-12-14 16:15:28,479 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 12.333333333333334) internal successors, (37), 4 states have internal predecessors, (37), 2 states have call successors, (2), 2 states have call predecessors, (2), 2 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) Word has length 41 [2022-12-14 16:15:28,479 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 16:15:28,480 INFO L225 Difference]: With dead ends: 308 [2022-12-14 16:15:28,480 INFO L226 Difference]: Without dead ends: 164 [2022-12-14 16:15:28,481 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 [2022-12-14 16:15:28,482 INFO L413 NwaCegarLoop]: 114 mSDtfsCounter, 1 mSDsluCounter, 224 mSDsCounter, 0 mSdLazyCounter, 54 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 338 SdHoareTripleChecker+Invalid, 55 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 54 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2022-12-14 16:15:28,482 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 338 Invalid, 55 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 54 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2022-12-14 16:15:28,482 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 164 states. [2022-12-14 16:15:28,489 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 164 to 164. [2022-12-14 16:15:28,489 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 164 states, 153 states have (on average 1.1895424836601307) internal successors, (182), 159 states have internal predecessors, (182), 3 states have call successors, (3), 1 states have call predecessors, (3), 2 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) [2022-12-14 16:15:28,489 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 164 states to 164 states and 189 transitions. [2022-12-14 16:15:28,490 INFO L78 Accepts]: Start accepts. Automaton has 164 states and 189 transitions. Word has length 41 [2022-12-14 16:15:28,490 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 16:15:28,490 INFO L495 AbstractCegarLoop]: Abstraction has 164 states and 189 transitions. [2022-12-14 16:15:28,490 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 12.333333333333334) internal successors, (37), 4 states have internal predecessors, (37), 2 states have call successors, (2), 2 states have call predecessors, (2), 2 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) [2022-12-14 16:15:28,490 INFO L276 IsEmpty]: Start isEmpty. Operand 164 states and 189 transitions. [2022-12-14 16:15:28,491 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2022-12-14 16:15:28,491 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 16:15:28,491 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] [2022-12-14 16:15:28,506 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6601c00e-7a38-4847-a7c8-1ef92715f545/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2022-12-14 16:15:28,691 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6601c00e-7a38-4847-a7c8-1ef92715f545/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 16:15:28,692 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2022-12-14 16:15:28,693 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 16:15:28,693 INFO L85 PathProgramCache]: Analyzing trace with hash -826585736, now seen corresponding path program 1 times [2022-12-14 16:15:28,694 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 16:15:28,694 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [504327607] [2022-12-14 16:15:28,694 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 16:15:28,695 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 16:15:28,760 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-12-14 16:15:28,760 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1061189350] [2022-12-14 16:15:28,760 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 16:15:28,761 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 16:15:28,761 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6601c00e-7a38-4847-a7c8-1ef92715f545/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 16:15:28,762 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6601c00e-7a38-4847-a7c8-1ef92715f545/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-14 16:15:28,763 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6601c00e-7a38-4847-a7c8-1ef92715f545/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-12-14 16:15:32,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 16:15:32,532 INFO L263 TraceCheckSpWp]: Trace formula consists of 743 conjuncts, 12 conjunts are in the unsatisfiable core [2022-12-14 16:15:32,534 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 16:15:32,560 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-12-14 16:15:32,560 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-14 16:15:32,639 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 5 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-12-14 16:15:32,639 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 16:15:32,639 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [504327607] [2022-12-14 16:15:32,639 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-12-14 16:15:32,639 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1061189350] [2022-12-14 16:15:32,639 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1061189350] provided 0 perfect and 2 imperfect interpolant sequences [2022-12-14 16:15:32,640 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [933867791] [2022-12-14 16:15:32,653 INFO L159 IcfgInterpreter]: Started Sifa with 39 locations of interest [2022-12-14 16:15:32,653 INFO L166 IcfgInterpreter]: Building call graph [2022-12-14 16:15:32,656 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-12-14 16:15:32,660 INFO L176 IcfgInterpreter]: Starting interpretation [2022-12-14 16:15:32,660 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-12-14 16:15:32,701 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 [2022-12-14 16:15:32,708 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:15:32,720 INFO L321 Elim1Store]: treesize reduction 11, result has 45.0 percent of original size [2022-12-14 16:15:32,720 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 17 treesize of output 26 [2022-12-14 16:15:32,728 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:15:32,741 INFO L321 Elim1Store]: treesize reduction 18, result has 35.7 percent of original size [2022-12-14 16:15:32,742 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 [2022-12-14 16:15:32,751 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:15:32,752 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 [2022-12-14 16:15:32,760 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 [2022-12-14 16:15:32,784 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 [2022-12-14 16:15:32,792 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:15:32,793 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:15:32,816 INFO L321 Elim1Store]: treesize reduction 36, result has 34.5 percent of original size [2022-12-14 16:15:32,817 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 [2022-12-14 16:15:32,827 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2022-12-14 16:15:32,834 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:15:32,835 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:15:32,836 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 8 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 30 [2022-12-14 16:15:32,847 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:15:32,848 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:15:32,849 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 8 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 37 treesize of output 38 [2022-12-14 16:15:32,882 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:15:32,883 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:15:32,884 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:15:32,886 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 [2022-12-14 16:15:32,897 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 [2022-12-14 16:15:32,904 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 [2022-12-14 16:15:33,231 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 [2022-12-14 16:15:33,248 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 [2022-12-14 16:15:33,269 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:15:33,270 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:15:33,271 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:15:33,272 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:15:33,273 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:15:33,274 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:15:33,275 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:15:33,276 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:15:33,277 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:15:33,277 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:15:33,278 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:15:33,279 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:15:33,280 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:15:33,281 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:15:33,282 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:15:33,295 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 [2022-12-14 16:15:33,321 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:15:33,322 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:15:33,323 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:15:33,324 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:15:33,325 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:15:33,336 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:15:33,337 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:15:33,338 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:15:33,339 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:15:33,340 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:15:33,340 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:15:33,341 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:15:33,342 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:15:33,343 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:15:33,343 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:15:33,346 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 [2022-12-14 16:15:33,394 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 [2022-12-14 16:15:33,412 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:15:33,413 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:15:33,413 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:15:33,414 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:15:33,415 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:15:33,416 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:15:33,417 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:15:33,418 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:15:33,419 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:15:33,419 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:15:33,420 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:15:33,421 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:15:33,422 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:15:33,423 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:15:33,424 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:15:33,424 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:15:33,425 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:15:33,426 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:15:33,427 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:15:33,440 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 [2022-12-14 16:15:33,463 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:15:33,464 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:15:33,464 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:15:33,465 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:15:33,466 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:15:33,467 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:15:33,468 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:15:33,468 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:15:33,469 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:15:33,470 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:15:33,470 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:15:33,471 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:15:33,472 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:15:33,473 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:15:33,474 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:15:33,474 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:15:33,475 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:15:33,476 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:15:33,476 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:15:33,480 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 [2022-12-14 16:15:33,509 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 [2022-12-14 16:15:33,564 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:15:33,565 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:15:33,566 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:15:33,566 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:15:33,567 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:15:33,568 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:15:33,569 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:15:33,569 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:15:33,570 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:15:33,571 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:15:33,572 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:15:33,572 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:15:33,573 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:15:33,574 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:15:33,574 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:15:33,575 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:15:33,576 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:15:33,576 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:15:33,577 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:15:33,578 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:15:33,578 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:15:33,581 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 [2022-12-14 16:15:33,617 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 [2022-12-14 16:15:33,630 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:15:33,631 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:15:33,632 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:15:33,668 INFO L321 Elim1Store]: treesize reduction 48, result has 48.9 percent of original size [2022-12-14 16:15:33,668 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 [2022-12-14 16:15:33,685 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:15:33,689 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:15:33,690 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:15:33,733 INFO L321 Elim1Store]: treesize reduction 90, result has 33.8 percent of original size [2022-12-14 16:15:33,733 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 [2022-12-14 16:15:33,761 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 [2022-12-14 16:15:33,884 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 [2022-12-14 16:15:33,888 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 [2022-12-14 16:15:33,892 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 [2022-12-14 16:15:33,910 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 [2022-12-14 16:15:33,917 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 [2022-12-14 16:15:33,923 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 [2022-12-14 16:15:33,938 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 [2022-12-14 16:15:33,943 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 [2022-12-14 16:15:33,948 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 [2022-12-14 16:15:33,985 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 46 treesize of output 16 [2022-12-14 16:15:34,007 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:15:34,008 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:15:34,009 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:15:34,010 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:15:34,011 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:15:34,012 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:15:34,014 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:15:34,014 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:15:34,015 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:15:34,016 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:15:34,016 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:15:34,017 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:15:34,018 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:15:34,018 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:15:34,019 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:15:34,020 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:15:34,020 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:15:34,023 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 [2022-12-14 16:15:34,044 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 [2022-12-14 16:15:34,191 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 46 treesize of output 16 [2022-12-14 16:15:34,207 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:15:34,208 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:15:34,208 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:15:34,209 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:15:34,210 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:15:34,210 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:15:34,211 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:15:34,212 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:15:34,213 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:15:34,213 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:15:34,214 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:15:34,215 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:15:34,215 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:15:34,216 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:15:34,217 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:15:34,217 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:15:34,218 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:15:34,220 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 [2022-12-14 16:15:34,241 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 [2022-12-14 16:15:35,024 INFO L217 Elim1Store]: Index analysis took 540 ms [2022-12-14 16:15:36,994 INFO L321 Elim1Store]: treesize reduction 142, result has 15.5 percent of original size [2022-12-14 16:15:36,995 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 14 case distinctions, treesize of input 9519766 treesize of output 9519770 [2022-12-14 16:15:40,686 INFO L217 Elim1Store]: Index analysis took 3587 ms [2022-12-14 16:15:42,997 INFO L321 Elim1Store]: treesize reduction 206, result has 11.2 percent of original size [2022-12-14 16:15:42,998 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 9519771 treesize of output 9519774 [2022-12-14 16:15:49,724 WARN L233 SmtUtils]: Spent 6.69s on a formula simplification. DAG size of input: 67 DAG size of output: 32 (called from [L 318] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2022-12-14 16:15:49,725 INFO L321 Elim1Store]: treesize reduction 340, result has 16.0 percent of original size [2022-12-14 16:15:49,725 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 5 new quantified variables, introduced 4 case distinctions, treesize of input 1986 treesize of output 1481 [2022-12-14 16:16:03,334 WARN L233 SmtUtils]: Spent 13.46s 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) [2022-12-14 16:16:03,334 INFO L321 Elim1Store]: treesize reduction 266, result has 31.6 percent of original size [2022-12-14 16:16:03,334 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 4 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 7 new quantified variables, introduced 8 case distinctions, treesize of input 2005 treesize of output 1829 [2022-12-14 16:16:03,899 INFO L217 Elim1Store]: Index analysis took 391 ms [2022-12-14 16:16:16,748 WARN L233 SmtUtils]: Spent 12.43s on a formula simplification. DAG size of input: 249 DAG size of output: 147 (called from [L 318] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2022-12-14 16:16:16,749 INFO L321 Elim1Store]: treesize reduction 2466, result has 32.0 percent of original size [2022-12-14 16:16:16,749 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 4 stores, 0 select indices, 0 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 4 new quantified variables, introduced 16 case distinctions, treesize of input 1606 treesize of output 2097 [2022-12-14 16:16:18,196 INFO L321 Elim1Store]: treesize reduction 13, result has 38.1 percent of original size [2022-12-14 16:16:18,196 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 91 treesize of output 73 [2022-12-14 16:16:18,255 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 7 treesize of output 3 [2022-12-14 16:16:18,716 INFO L217 Elim1Store]: Index analysis took 339 ms [2022-12-14 16:16:19,651 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-12-14 16:16:19,652 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 2 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 70 treesize of output 94 [2022-12-14 16:16:22,433 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 16:16:22,434 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 13 [2022-12-14 16:16:22,530 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:16:22,531 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 16:16:22,532 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 18 [2022-12-14 16:16:22,602 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:16:22,603 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 13 [2022-12-14 16:16:22,680 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:16:22,680 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 16:16:22,681 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 18 [2022-12-14 16:16:22,763 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:16:22,764 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 13 [2022-12-14 16:16:23,680 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:16:23,681 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 13 [2022-12-14 16:16:23,738 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:16:23,739 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 23 treesize of output 15 [2022-12-14 16:16:33,758 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 16:16:33,787 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 16:16:33,803 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:16:33,820 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:16:33,911 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 16:16:33,938 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:16:33,967 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:16:33,969 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 16:16:33,969 INFO L217 Elim1Store]: Index analysis took 182 ms [2022-12-14 16:16:33,970 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 16:16:33,971 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 4 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 933 treesize of output 2068 [2022-12-14 16:16:34,039 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:16:34,053 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:16:34,054 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 178 treesize of output 132 [2022-12-14 16:16:34,380 INFO L321 Elim1Store]: treesize reduction 2407, result has 0.0 percent of original size [2022-12-14 16:16:34,381 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 17 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 19 new quantified variables, introduced 35 case distinctions, treesize of input 6321 treesize of output 50615 [2022-12-14 16:16:34,491 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 43 treesize of output 5 [2022-12-14 16:16:34,555 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 135 treesize of output 127 [2022-12-14 16:16:34,722 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-12-14 16:16:34,778 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-12-14 16:16:58,816 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 16:16:59,161 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-12-14 16:16:59,878 INFO L217 Elim1Store]: Index analysis took 182 ms