./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/uthash-2.0.2/uthash_JEN_test8-2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version e04fb08f Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d440d7c5-45f2-48c5-a97c-dff1bda0c9eb/bin/utaipan-Xvt2sAort0/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d440d7c5-45f2-48c5-a97c-dff1bda0c9eb/bin/utaipan-Xvt2sAort0/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d440d7c5-45f2-48c5-a97c-dff1bda0c9eb/bin/utaipan-Xvt2sAort0/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d440d7c5-45f2-48c5-a97c-dff1bda0c9eb/bin/utaipan-Xvt2sAort0/config/TaipanReach.xml -i ../../sv-benchmarks/c/uthash-2.0.2/uthash_JEN_test8-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d440d7c5-45f2-48c5-a97c-dff1bda0c9eb/bin/utaipan-Xvt2sAort0/config/svcomp-Overflow-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d440d7c5-45f2-48c5-a97c-dff1bda0c9eb/bin/utaipan-Xvt2sAort0 --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 80f1df6d4bc7961b41bec7d16d328ef23e1639399b1fb3a18bcdda9891a98148 --- 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-e04fb08 [2022-11-16 15:53:09,385 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-16 15:53:09,388 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-16 15:53:09,438 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-16 15:53:09,441 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-16 15:53:09,442 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-16 15:53:09,446 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-16 15:53:09,452 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-16 15:53:09,455 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-16 15:53:09,460 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-16 15:53:09,461 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-16 15:53:09,463 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-16 15:53:09,465 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-16 15:53:09,467 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-16 15:53:09,470 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-16 15:53:09,472 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-16 15:53:09,474 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-16 15:53:09,477 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-16 15:53:09,479 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-16 15:53:09,485 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-16 15:53:09,487 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-16 15:53:09,494 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-16 15:53:09,496 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-16 15:53:09,497 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-16 15:53:09,500 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-16 15:53:09,504 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-16 15:53:09,505 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-16 15:53:09,506 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-16 15:53:09,506 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-16 15:53:09,507 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-16 15:53:09,507 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-16 15:53:09,509 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-16 15:53:09,511 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-16 15:53:09,512 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-16 15:53:09,514 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-16 15:53:09,515 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-16 15:53:09,515 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-16 15:53:09,516 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-16 15:53:09,516 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-16 15:53:09,517 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-16 15:53:09,518 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-16 15:53:09,519 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d440d7c5-45f2-48c5-a97c-dff1bda0c9eb/bin/utaipan-Xvt2sAort0/config/svcomp-Overflow-32bit-Taipan_Default.epf [2022-11-16 15:53:09,559 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-16 15:53:09,560 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-16 15:53:09,560 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-16 15:53:09,561 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-16 15:53:09,561 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-16 15:53:09,562 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-16 15:53:09,562 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-16 15:53:09,562 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-16 15:53:09,562 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-16 15:53:09,563 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-16 15:53:09,564 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-16 15:53:09,564 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-16 15:53:09,565 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-16 15:53:09,565 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-16 15:53:09,565 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-16 15:53:09,565 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-16 15:53:09,565 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-16 15:53:09,566 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-16 15:53:09,566 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-16 15:53:09,567 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-16 15:53:09,567 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-16 15:53:09,567 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-16 15:53:09,567 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-16 15:53:09,568 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-16 15:53:09,568 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-16 15:53:09,568 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-16 15:53:09,568 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-16 15:53:09,569 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-16 15:53:09,569 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-16 15:53:09,569 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-16 15:53:09,569 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-16 15:53:09,570 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-16 15:53:09,570 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-16 15:53:09,570 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-16 15:53:09,570 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-16 15:53:09,571 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-16 15:53:09,571 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-16 15:53:09,571 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-16 15:53:09,571 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-16 15:53:09,571 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-16 15:53:09,572 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-16 15:53:09,572 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-16 15:53:09,572 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-16 15:53:09,572 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_d440d7c5-45f2-48c5-a97c-dff1bda0c9eb/bin/utaipan-Xvt2sAort0/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d440d7c5-45f2-48c5-a97c-dff1bda0c9eb/bin/utaipan-Xvt2sAort0 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 80f1df6d4bc7961b41bec7d16d328ef23e1639399b1fb3a18bcdda9891a98148 [2022-11-16 15:53:09,855 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-16 15:53:09,879 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-16 15:53:09,882 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-16 15:53:09,883 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-16 15:53:09,884 INFO L275 PluginConnector]: CDTParser initialized [2022-11-16 15:53:09,885 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d440d7c5-45f2-48c5-a97c-dff1bda0c9eb/bin/utaipan-Xvt2sAort0/../../sv-benchmarks/c/uthash-2.0.2/uthash_JEN_test8-2.i [2022-11-16 15:53:09,967 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d440d7c5-45f2-48c5-a97c-dff1bda0c9eb/bin/utaipan-Xvt2sAort0/data/201e2ee87/6be45165401149fb81e246385f149814/FLAG01c0b914e [2022-11-16 15:53:10,670 INFO L306 CDTParser]: Found 1 translation units. [2022-11-16 15:53:10,671 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d440d7c5-45f2-48c5-a97c-dff1bda0c9eb/sv-benchmarks/c/uthash-2.0.2/uthash_JEN_test8-2.i [2022-11-16 15:53:10,689 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d440d7c5-45f2-48c5-a97c-dff1bda0c9eb/bin/utaipan-Xvt2sAort0/data/201e2ee87/6be45165401149fb81e246385f149814/FLAG01c0b914e [2022-11-16 15:53:10,894 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d440d7c5-45f2-48c5-a97c-dff1bda0c9eb/bin/utaipan-Xvt2sAort0/data/201e2ee87/6be45165401149fb81e246385f149814 [2022-11-16 15:53:10,896 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-16 15:53:10,897 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-16 15:53:10,899 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-16 15:53:10,899 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-16 15:53:10,902 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-16 15:53:10,903 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 03:53:10" (1/1) ... [2022-11-16 15:53:10,904 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6e531a0e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 03:53:10, skipping insertion in model container [2022-11-16 15:53:10,905 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 03:53:10" (1/1) ... [2022-11-16 15:53:10,913 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-16 15:53:10,994 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-16 15:53:11,455 WARN L229 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_d440d7c5-45f2-48c5-a97c-dff1bda0c9eb/sv-benchmarks/c/uthash-2.0.2/uthash_JEN_test8-2.i[33021,33034] [2022-11-16 15:53:11,585 WARN L229 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_d440d7c5-45f2-48c5-a97c-dff1bda0c9eb/sv-benchmarks/c/uthash-2.0.2/uthash_JEN_test8-2.i[45234,45247] [2022-11-16 15:53:11,601 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-16 15:53:11,611 INFO L203 MainTranslator]: Completed pre-run [2022-11-16 15:53:11,666 WARN L229 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_d440d7c5-45f2-48c5-a97c-dff1bda0c9eb/sv-benchmarks/c/uthash-2.0.2/uthash_JEN_test8-2.i[33021,33034] [2022-11-16 15:53:11,730 WARN L229 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_d440d7c5-45f2-48c5-a97c-dff1bda0c9eb/sv-benchmarks/c/uthash-2.0.2/uthash_JEN_test8-2.i[45234,45247] [2022-11-16 15:53:11,741 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-16 15:53:11,778 INFO L208 MainTranslator]: Completed translation [2022-11-16 15:53:11,778 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 03:53:11 WrapperNode [2022-11-16 15:53:11,778 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-16 15:53:11,779 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-16 15:53:11,780 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-16 15:53:11,780 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-16 15:53:11,788 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 03:53:11" (1/1) ... [2022-11-16 15:53:11,822 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 03:53:11" (1/1) ... [2022-11-16 15:53:11,913 INFO L138 Inliner]: procedures = 177, calls = 348, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 1153 [2022-11-16 15:53:11,914 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-16 15:53:11,915 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-16 15:53:11,915 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-16 15:53:11,915 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-16 15:53:11,924 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 03:53:11" (1/1) ... [2022-11-16 15:53:11,925 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 03:53:11" (1/1) ... [2022-11-16 15:53:11,936 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 03:53:11" (1/1) ... [2022-11-16 15:53:11,936 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 03:53:11" (1/1) ... [2022-11-16 15:53:12,041 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 03:53:11" (1/1) ... [2022-11-16 15:53:12,055 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 03:53:11" (1/1) ... [2022-11-16 15:53:12,060 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 03:53:11" (1/1) ... [2022-11-16 15:53:12,081 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 03:53:11" (1/1) ... [2022-11-16 15:53:12,092 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-16 15:53:12,092 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-16 15:53:12,093 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-16 15:53:12,093 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-16 15:53:12,104 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 03:53:11" (1/1) ... [2022-11-16 15:53:12,111 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-16 15:53:12,123 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d440d7c5-45f2-48c5-a97c-dff1bda0c9eb/bin/utaipan-Xvt2sAort0/z3 [2022-11-16 15:53:12,136 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d440d7c5-45f2-48c5-a97c-dff1bda0c9eb/bin/utaipan-Xvt2sAort0/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-16 15:53:12,159 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d440d7c5-45f2-48c5-a97c-dff1bda0c9eb/bin/utaipan-Xvt2sAort0/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-16 15:53:12,182 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-16 15:53:12,182 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2022-11-16 15:53:12,183 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2022-11-16 15:53:12,183 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-16 15:53:12,183 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-11-16 15:53:12,183 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-11-16 15:53:12,183 INFO L130 BoogieDeclarations]: Found specification of procedure test_int [2022-11-16 15:53:12,183 INFO L138 BoogieDeclarations]: Found implementation of procedure test_int [2022-11-16 15:53:12,184 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-16 15:53:12,184 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-16 15:53:12,184 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-16 15:53:12,185 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-16 15:53:12,185 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2022-11-16 15:53:12,185 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-16 15:53:12,185 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-16 15:53:12,186 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-16 15:53:12,186 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-16 15:53:12,186 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-16 15:53:12,500 INFO L235 CfgBuilder]: Building ICFG [2022-11-16 15:53:12,510 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-16 15:53:14,089 INFO L276 CfgBuilder]: Performing block encoding [2022-11-16 15:53:14,514 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-16 15:53:14,515 INFO L300 CfgBuilder]: Removed 71 assume(true) statements. [2022-11-16 15:53:14,518 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 03:53:14 BoogieIcfgContainer [2022-11-16 15:53:14,518 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-16 15:53:14,520 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-16 15:53:14,520 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-16 15:53:14,524 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-16 15:53:14,524 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.11 03:53:10" (1/3) ... [2022-11-16 15:53:14,525 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@592b71de and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 03:53:14, skipping insertion in model container [2022-11-16 15:53:14,526 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 03:53:11" (2/3) ... [2022-11-16 15:53:14,526 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@592b71de and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 03:53:14, skipping insertion in model container [2022-11-16 15:53:14,526 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 03:53:14" (3/3) ... [2022-11-16 15:53:14,528 INFO L112 eAbstractionObserver]: Analyzing ICFG uthash_JEN_test8-2.i [2022-11-16 15:53:14,550 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-16 15:53:14,550 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 8 error locations. [2022-11-16 15:53:14,610 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-16 15:53:14,618 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;@130abb3f, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-16 15:53:14,618 INFO L358 AbstractCegarLoop]: Starting to check reachability of 8 error locations. [2022-11-16 15:53:14,623 INFO L276 IsEmpty]: Start isEmpty. Operand has 172 states, 140 states have (on average 1.8071428571428572) internal successors, (253), 163 states have internal predecessors, (253), 20 states have call successors, (20), 3 states have call predecessors, (20), 3 states have return successors, (20), 6 states have call predecessors, (20), 20 states have call successors, (20) [2022-11-16 15:53:14,629 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2022-11-16 15:53:14,630 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 15:53:14,630 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1] [2022-11-16 15:53:14,631 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [test_intErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, test_intErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-11-16 15:53:14,636 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 15:53:14,637 INFO L85 PathProgramCache]: Analyzing trace with hash 32197593, now seen corresponding path program 1 times [2022-11-16 15:53:14,647 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-16 15:53:14,647 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [993559402] [2022-11-16 15:53:14,648 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 15:53:14,648 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 15:53:14,767 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-16 15:53:14,767 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [865474771] [2022-11-16 15:53:14,767 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 15:53:14,768 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-16 15:53:14,768 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d440d7c5-45f2-48c5-a97c-dff1bda0c9eb/bin/utaipan-Xvt2sAort0/z3 [2022-11-16 15:53:14,774 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d440d7c5-45f2-48c5-a97c-dff1bda0c9eb/bin/utaipan-Xvt2sAort0/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-16 15:53:14,832 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d440d7c5-45f2-48c5-a97c-dff1bda0c9eb/bin/utaipan-Xvt2sAort0/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-11-16 15:53:15,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 15:53:15,043 INFO L263 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 13 conjunts are in the unsatisfiable core [2022-11-16 15:53:15,049 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 15:53:15,116 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2022-11-16 15:53:15,125 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-11-16 15:53:15,162 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 15:53:15,165 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 7 [2022-11-16 15:53:15,174 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 15:53:15,176 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-16 15:53:15,176 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-16 15:53:15,177 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [993559402] [2022-11-16 15:53:15,177 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-16 15:53:15,178 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [865474771] [2022-11-16 15:53:15,178 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [865474771] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 15:53:15,179 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 15:53:15,179 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-16 15:53:15,181 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2072822004] [2022-11-16 15:53:15,182 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 15:53:15,187 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-16 15:53:15,188 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-16 15:53:15,223 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-16 15:53:15,224 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-16 15:53:15,227 INFO L87 Difference]: Start difference. First operand has 172 states, 140 states have (on average 1.8071428571428572) internal successors, (253), 163 states have internal predecessors, (253), 20 states have call successors, (20), 3 states have call predecessors, (20), 3 states have return successors, (20), 6 states have call predecessors, (20), 20 states have call successors, (20) Second operand has 4 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 15:53:17,480 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.07s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-16 15:53:18,402 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 15:53:18,402 INFO L93 Difference]: Finished difference Result 399 states and 692 transitions. [2022-11-16 15:53:18,404 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-16 15:53:18,405 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 4 [2022-11-16 15:53:18,406 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 15:53:18,418 INFO L225 Difference]: With dead ends: 399 [2022-11-16 15:53:18,418 INFO L226 Difference]: Without dead ends: 208 [2022-11-16 15:53:18,426 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-16 15:53:18,433 INFO L413 NwaCegarLoop]: 184 mSDtfsCounter, 60 mSDsluCounter, 342 mSDsCounter, 0 mSdLazyCounter, 142 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 60 SdHoareTripleChecker+Valid, 526 SdHoareTripleChecker+Invalid, 146 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 142 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.1s IncrementalHoareTripleChecker+Time [2022-11-16 15:53:18,440 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [60 Valid, 526 Invalid, 146 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 142 Invalid, 0 Unknown, 0 Unchecked, 3.1s Time] [2022-11-16 15:53:18,458 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 208 states. [2022-11-16 15:53:18,489 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 208 to 160. [2022-11-16 15:53:18,491 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 160 states, 129 states have (on average 1.310077519379845) internal successors, (169), 151 states have internal predecessors, (169), 20 states have call successors, (20), 3 states have call predecessors, (20), 3 states have return successors, (20), 6 states have call predecessors, (20), 20 states have call successors, (20) [2022-11-16 15:53:18,493 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 160 states to 160 states and 209 transitions. [2022-11-16 15:53:18,495 INFO L78 Accepts]: Start accepts. Automaton has 160 states and 209 transitions. Word has length 4 [2022-11-16 15:53:18,495 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 15:53:18,495 INFO L495 AbstractCegarLoop]: Abstraction has 160 states and 209 transitions. [2022-11-16 15:53:18,496 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 15:53:18,496 INFO L276 IsEmpty]: Start isEmpty. Operand 160 states and 209 transitions. [2022-11-16 15:53:18,498 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2022-11-16 15:53:18,498 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 15:53:18,499 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] [2022-11-16 15:53:18,510 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d440d7c5-45f2-48c5-a97c-dff1bda0c9eb/bin/utaipan-Xvt2sAort0/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-11-16 15:53:18,705 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d440d7c5-45f2-48c5-a97c-dff1bda0c9eb/bin/utaipan-Xvt2sAort0/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2022-11-16 15:53:18,706 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting test_intErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [test_intErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, test_intErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-11-16 15:53:18,706 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 15:53:18,706 INFO L85 PathProgramCache]: Analyzing trace with hash 1415566518, now seen corresponding path program 1 times [2022-11-16 15:53:18,707 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-16 15:53:18,707 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1323194833] [2022-11-16 15:53:18,707 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 15:53:18,707 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 15:53:18,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 15:53:19,207 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 15:53:19,208 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-16 15:53:19,208 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1323194833] [2022-11-16 15:53:19,208 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1323194833] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 15:53:19,209 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 15:53:19,209 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-16 15:53:19,209 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1158304934] [2022-11-16 15:53:19,209 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 15:53:19,210 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-16 15:53:19,210 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-16 15:53:19,211 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-16 15:53:19,211 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-16 15:53:19,211 INFO L87 Difference]: Start difference. First operand 160 states and 209 transitions. Second operand has 4 states, 4 states have (on average 6.25) internal successors, (25), 3 states have internal predecessors, (25), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 15:53:21,976 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 15:53:21,976 INFO L93 Difference]: Finished difference Result 297 states and 393 transitions. [2022-11-16 15:53:21,977 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-16 15:53:21,977 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), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 26 [2022-11-16 15:53:21,977 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 15:53:21,979 INFO L225 Difference]: With dead ends: 297 [2022-11-16 15:53:21,979 INFO L226 Difference]: Without dead ends: 204 [2022-11-16 15:53:21,980 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-16 15:53:21,981 INFO L413 NwaCegarLoop]: 182 mSDtfsCounter, 51 mSDsluCounter, 334 mSDsCounter, 0 mSdLazyCounter, 109 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 52 SdHoareTripleChecker+Valid, 516 SdHoareTripleChecker+Invalid, 111 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 109 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.7s IncrementalHoareTripleChecker+Time [2022-11-16 15:53:21,982 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [52 Valid, 516 Invalid, 111 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 109 Invalid, 0 Unknown, 0 Unchecked, 2.7s Time] [2022-11-16 15:53:21,983 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 204 states. [2022-11-16 15:53:21,997 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 204 to 160. [2022-11-16 15:53:21,997 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 160 states, 129 states have (on average 1.302325581395349) internal successors, (168), 151 states have internal predecessors, (168), 20 states have call successors, (20), 3 states have call predecessors, (20), 3 states have return successors, (20), 6 states have call predecessors, (20), 20 states have call successors, (20) [2022-11-16 15:53:21,999 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 160 states to 160 states and 208 transitions. [2022-11-16 15:53:21,999 INFO L78 Accepts]: Start accepts. Automaton has 160 states and 208 transitions. Word has length 26 [2022-11-16 15:53:22,000 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 15:53:22,000 INFO L495 AbstractCegarLoop]: Abstraction has 160 states and 208 transitions. [2022-11-16 15:53:22,000 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), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 15:53:22,000 INFO L276 IsEmpty]: Start isEmpty. Operand 160 states and 208 transitions. [2022-11-16 15:53:22,001 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2022-11-16 15:53:22,001 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 15:53:22,001 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, 1, 1] [2022-11-16 15:53:22,002 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-16 15:53:22,002 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting test_intErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [test_intErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, test_intErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-11-16 15:53:22,002 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 15:53:22,003 INFO L85 PathProgramCache]: Analyzing trace with hash 1725832852, now seen corresponding path program 1 times [2022-11-16 15:53:22,003 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-16 15:53:22,003 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1480154222] [2022-11-16 15:53:22,003 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 15:53:22,003 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 15:53:22,135 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-16 15:53:22,135 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [101099354] [2022-11-16 15:53:22,135 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 15:53:22,135 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-16 15:53:22,136 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d440d7c5-45f2-48c5-a97c-dff1bda0c9eb/bin/utaipan-Xvt2sAort0/z3 [2022-11-16 15:53:22,137 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d440d7c5-45f2-48c5-a97c-dff1bda0c9eb/bin/utaipan-Xvt2sAort0/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-16 15:53:22,166 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d440d7c5-45f2-48c5-a97c-dff1bda0c9eb/bin/utaipan-Xvt2sAort0/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-11-16 15:53:22,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 15:53:22,951 INFO L263 TraceCheckSpWp]: Trace formula consists of 1590 conjuncts, 5 conjunts are in the unsatisfiable core [2022-11-16 15:53:22,956 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 15:53:23,041 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 15:53:23,041 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-16 15:53:23,042 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-16 15:53:23,042 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1480154222] [2022-11-16 15:53:23,042 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-16 15:53:23,042 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [101099354] [2022-11-16 15:53:23,042 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [101099354] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 15:53:23,043 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 15:53:23,043 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-16 15:53:23,043 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1217834452] [2022-11-16 15:53:23,043 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 15:53:23,044 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-16 15:53:23,044 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-16 15:53:23,044 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-16 15:53:23,045 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-16 15:53:23,045 INFO L87 Difference]: Start difference. First operand 160 states and 208 transitions. Second operand has 4 states, 3 states have (on average 9.666666666666666) internal successors, (29), 3 states have internal predecessors, (29), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 15:53:24,839 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 15:53:24,840 INFO L93 Difference]: Finished difference Result 247 states and 334 transitions. [2022-11-16 15:53:24,845 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-16 15:53:24,845 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 9.666666666666666) internal successors, (29), 3 states have internal predecessors, (29), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 30 [2022-11-16 15:53:24,845 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 15:53:24,847 INFO L225 Difference]: With dead ends: 247 [2022-11-16 15:53:24,848 INFO L226 Difference]: Without dead ends: 246 [2022-11-16 15:53:24,848 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-16 15:53:24,849 INFO L413 NwaCegarLoop]: 187 mSDtfsCounter, 72 mSDsluCounter, 357 mSDsCounter, 0 mSdLazyCounter, 105 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 87 SdHoareTripleChecker+Valid, 544 SdHoareTripleChecker+Invalid, 106 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 105 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2022-11-16 15:53:24,850 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [87 Valid, 544 Invalid, 106 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 105 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2022-11-16 15:53:24,851 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 246 states. [2022-11-16 15:53:24,880 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 246 to 213. [2022-11-16 15:53:24,880 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 213 states, 177 states have (on average 1.2542372881355932) internal successors, (222), 199 states have internal predecessors, (222), 24 states have call successors, (24), 5 states have call predecessors, (24), 4 states have return successors, (24), 9 states have call predecessors, (24), 24 states have call successors, (24) [2022-11-16 15:53:24,883 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 213 states to 213 states and 270 transitions. [2022-11-16 15:53:24,883 INFO L78 Accepts]: Start accepts. Automaton has 213 states and 270 transitions. Word has length 30 [2022-11-16 15:53:24,884 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 15:53:24,884 INFO L495 AbstractCegarLoop]: Abstraction has 213 states and 270 transitions. [2022-11-16 15:53:24,884 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 9.666666666666666) internal successors, (29), 3 states have internal predecessors, (29), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 15:53:24,885 INFO L276 IsEmpty]: Start isEmpty. Operand 213 states and 270 transitions. [2022-11-16 15:53:24,886 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2022-11-16 15:53:24,886 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 15:53:24,887 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, 1, 1, 1] [2022-11-16 15:53:24,895 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d440d7c5-45f2-48c5-a97c-dff1bda0c9eb/bin/utaipan-Xvt2sAort0/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-11-16 15:53:25,092 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d440d7c5-45f2-48c5-a97c-dff1bda0c9eb/bin/utaipan-Xvt2sAort0/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-16 15:53:25,093 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting test_intErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [test_intErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, test_intErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-11-16 15:53:25,093 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 15:53:25,094 INFO L85 PathProgramCache]: Analyzing trace with hash 1961210902, now seen corresponding path program 1 times [2022-11-16 15:53:25,094 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-16 15:53:25,094 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1799533420] [2022-11-16 15:53:25,094 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 15:53:25,094 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 15:53:25,247 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-16 15:53:25,247 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [874184017] [2022-11-16 15:53:25,247 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 15:53:25,247 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-16 15:53:25,247 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d440d7c5-45f2-48c5-a97c-dff1bda0c9eb/bin/utaipan-Xvt2sAort0/z3 [2022-11-16 15:53:25,249 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d440d7c5-45f2-48c5-a97c-dff1bda0c9eb/bin/utaipan-Xvt2sAort0/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-16 15:53:25,252 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d440d7c5-45f2-48c5-a97c-dff1bda0c9eb/bin/utaipan-Xvt2sAort0/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-11-16 15:53:26,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 15:53:26,120 INFO L263 TraceCheckSpWp]: Trace formula consists of 1591 conjuncts, 5 conjunts are in the unsatisfiable core [2022-11-16 15:53:26,123 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 15:53:26,229 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 15:53:26,230 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-16 15:53:26,230 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-16 15:53:26,230 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1799533420] [2022-11-16 15:53:26,230 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-16 15:53:26,231 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [874184017] [2022-11-16 15:53:26,231 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [874184017] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 15:53:26,231 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 15:53:26,231 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-16 15:53:26,231 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1013439760] [2022-11-16 15:53:26,232 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 15:53:26,232 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-16 15:53:26,232 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-16 15:53:26,233 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-16 15:53:26,233 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-16 15:53:26,233 INFO L87 Difference]: Start difference. First operand 213 states and 270 transitions. Second operand has 4 states, 3 states have (on average 10.0) internal successors, (30), 3 states have internal predecessors, (30), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 15:53:28,519 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.70s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-16 15:53:28,521 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 15:53:28,521 INFO L93 Difference]: Finished difference Result 213 states and 270 transitions. [2022-11-16 15:53:28,531 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-16 15:53:28,532 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 10.0) internal successors, (30), 3 states have internal predecessors, (30), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 31 [2022-11-16 15:53:28,532 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 15:53:28,533 INFO L225 Difference]: With dead ends: 213 [2022-11-16 15:53:28,534 INFO L226 Difference]: Without dead ends: 212 [2022-11-16 15:53:28,534 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-16 15:53:28,535 INFO L413 NwaCegarLoop]: 152 mSDtfsCounter, 191 mSDsluCounter, 136 mSDsCounter, 0 mSdLazyCounter, 69 mSolverCounterSat, 31 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 191 SdHoareTripleChecker+Valid, 288 SdHoareTripleChecker+Invalid, 100 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 31 IncrementalHoareTripleChecker+Valid, 69 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.3s IncrementalHoareTripleChecker+Time [2022-11-16 15:53:28,535 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [191 Valid, 288 Invalid, 100 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [31 Valid, 69 Invalid, 0 Unknown, 0 Unchecked, 2.3s Time] [2022-11-16 15:53:28,536 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 212 states. [2022-11-16 15:53:28,555 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 212 to 212. [2022-11-16 15:53:28,563 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 212 states, 177 states have (on average 1.2485875706214689) internal successors, (221), 198 states have internal predecessors, (221), 24 states have call successors, (24), 5 states have call predecessors, (24), 4 states have return successors, (24), 9 states have call predecessors, (24), 24 states have call successors, (24) [2022-11-16 15:53:28,567 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 212 states to 212 states and 269 transitions. [2022-11-16 15:53:28,573 INFO L78 Accepts]: Start accepts. Automaton has 212 states and 269 transitions. Word has length 31 [2022-11-16 15:53:28,574 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 15:53:28,574 INFO L495 AbstractCegarLoop]: Abstraction has 212 states and 269 transitions. [2022-11-16 15:53:28,574 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 10.0) internal successors, (30), 3 states have internal predecessors, (30), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 15:53:28,574 INFO L276 IsEmpty]: Start isEmpty. Operand 212 states and 269 transitions. [2022-11-16 15:53:28,576 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2022-11-16 15:53:28,576 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 15:53:28,576 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 15:53:28,591 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d440d7c5-45f2-48c5-a97c-dff1bda0c9eb/bin/utaipan-Xvt2sAort0/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2022-11-16 15:53:28,777 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d440d7c5-45f2-48c5-a97c-dff1bda0c9eb/bin/utaipan-Xvt2sAort0/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-16 15:53:28,777 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [test_intErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, test_intErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-11-16 15:53:28,777 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 15:53:28,778 INFO L85 PathProgramCache]: Analyzing trace with hash 176654397, now seen corresponding path program 1 times [2022-11-16 15:53:28,778 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-16 15:53:28,778 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [248462312] [2022-11-16 15:53:28,778 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 15:53:28,778 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 15:53:28,912 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-16 15:53:28,912 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1670012905] [2022-11-16 15:53:28,912 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 15:53:28,912 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-16 15:53:28,913 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d440d7c5-45f2-48c5-a97c-dff1bda0c9eb/bin/utaipan-Xvt2sAort0/z3 [2022-11-16 15:53:28,914 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d440d7c5-45f2-48c5-a97c-dff1bda0c9eb/bin/utaipan-Xvt2sAort0/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-16 15:53:28,917 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d440d7c5-45f2-48c5-a97c-dff1bda0c9eb/bin/utaipan-Xvt2sAort0/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-11-16 15:53:29,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 15:53:29,890 INFO L263 TraceCheckSpWp]: Trace formula consists of 1610 conjuncts, 5 conjunts are in the unsatisfiable core [2022-11-16 15:53:29,894 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 15:53:29,987 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 15:53:29,987 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-16 15:53:29,988 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-16 15:53:29,988 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [248462312] [2022-11-16 15:53:29,988 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-16 15:53:29,988 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1670012905] [2022-11-16 15:53:29,988 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1670012905] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 15:53:29,988 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 15:53:29,988 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-16 15:53:29,989 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1003964188] [2022-11-16 15:53:29,989 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 15:53:29,990 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-16 15:53:29,990 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-16 15:53:29,990 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-16 15:53:29,990 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-16 15:53:29,991 INFO L87 Difference]: Start difference. First operand 212 states and 269 transitions. Second operand has 3 states, 3 states have (on average 11.666666666666666) internal successors, (35), 2 states have internal predecessors, (35), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-11-16 15:53:30,789 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 15:53:30,789 INFO L93 Difference]: Finished difference Result 432 states and 547 transitions. [2022-11-16 15:53:30,789 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-16 15:53:30,790 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 11.666666666666666) internal successors, (35), 2 states have internal predecessors, (35), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 39 [2022-11-16 15:53:30,790 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 15:53:30,791 INFO L225 Difference]: With dead ends: 432 [2022-11-16 15:53:30,791 INFO L226 Difference]: Without dead ends: 247 [2022-11-16 15:53:30,792 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 37 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-16 15:53:30,793 INFO L413 NwaCegarLoop]: 195 mSDtfsCounter, 47 mSDsluCounter, 160 mSDsCounter, 0 mSdLazyCounter, 56 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 50 SdHoareTripleChecker+Valid, 355 SdHoareTripleChecker+Invalid, 61 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 56 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2022-11-16 15:53:30,794 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [50 Valid, 355 Invalid, 61 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 56 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2022-11-16 15:53:30,795 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 247 states. [2022-11-16 15:53:30,812 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 247 to 244. [2022-11-16 15:53:30,812 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 244 states, 208 states have (on average 1.2307692307692308) internal successors, (256), 229 states have internal predecessors, (256), 25 states have call successors, (25), 5 states have call predecessors, (25), 4 states have return successors, (25), 10 states have call predecessors, (25), 25 states have call successors, (25) [2022-11-16 15:53:30,814 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 244 states to 244 states and 306 transitions. [2022-11-16 15:53:30,815 INFO L78 Accepts]: Start accepts. Automaton has 244 states and 306 transitions. Word has length 39 [2022-11-16 15:53:30,815 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 15:53:30,815 INFO L495 AbstractCegarLoop]: Abstraction has 244 states and 306 transitions. [2022-11-16 15:53:30,815 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 11.666666666666666) internal successors, (35), 2 states have internal predecessors, (35), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-11-16 15:53:30,816 INFO L276 IsEmpty]: Start isEmpty. Operand 244 states and 306 transitions. [2022-11-16 15:53:30,817 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2022-11-16 15:53:30,817 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 15:53:30,817 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 15:53:30,827 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d440d7c5-45f2-48c5-a97c-dff1bda0c9eb/bin/utaipan-Xvt2sAort0/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2022-11-16 15:53:31,026 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d440d7c5-45f2-48c5-a97c-dff1bda0c9eb/bin/utaipan-Xvt2sAort0/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-16 15:53:31,027 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [test_intErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, test_intErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-11-16 15:53:31,027 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 15:53:31,027 INFO L85 PathProgramCache]: Analyzing trace with hash -1100217069, now seen corresponding path program 1 times [2022-11-16 15:53:31,027 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-16 15:53:31,027 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2015997656] [2022-11-16 15:53:31,028 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 15:53:31,028 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 15:53:31,091 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-16 15:53:31,091 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1643142036] [2022-11-16 15:53:31,091 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 15:53:31,092 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-16 15:53:31,092 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d440d7c5-45f2-48c5-a97c-dff1bda0c9eb/bin/utaipan-Xvt2sAort0/z3 [2022-11-16 15:53:31,093 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d440d7c5-45f2-48c5-a97c-dff1bda0c9eb/bin/utaipan-Xvt2sAort0/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-16 15:53:31,110 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d440d7c5-45f2-48c5-a97c-dff1bda0c9eb/bin/utaipan-Xvt2sAort0/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2022-11-16 15:53:37,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 15:53:37,582 INFO L263 TraceCheckSpWp]: Trace formula consists of 747 conjuncts, 5 conjunts are in the unsatisfiable core [2022-11-16 15:53:37,586 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 15:53:37,609 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 15:53:37,614 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-16 15:53:37,615 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-16 15:53:37,615 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2015997656] [2022-11-16 15:53:37,615 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-16 15:53:37,615 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1643142036] [2022-11-16 15:53:37,615 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1643142036] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 15:53:37,615 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 15:53:37,616 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-16 15:53:37,616 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [728701172] [2022-11-16 15:53:37,616 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 15:53:37,617 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-16 15:53:37,617 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-16 15:53:37,617 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-16 15:53:37,617 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-16 15:53:37,618 INFO L87 Difference]: Start difference. First operand 244 states and 306 transitions. Second operand has 4 states, 3 states have (on average 14.666666666666666) internal successors, (44), 4 states have internal predecessors, (44), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 1 states have call predecessors, (4), 2 states have call successors, (4) [2022-11-16 15:53:38,614 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 15:53:38,615 INFO L93 Difference]: Finished difference Result 471 states and 599 transitions. [2022-11-16 15:53:38,620 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-16 15:53:38,620 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 14.666666666666666) internal successors, (44), 4 states have internal predecessors, (44), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 1 states have call predecessors, (4), 2 states have call successors, (4) Word has length 52 [2022-11-16 15:53:38,620 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 15:53:38,621 INFO L225 Difference]: With dead ends: 471 [2022-11-16 15:53:38,622 INFO L226 Difference]: Without dead ends: 248 [2022-11-16 15:53:38,623 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 52 GetRequests, 49 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-16 15:53:38,623 INFO L413 NwaCegarLoop]: 183 mSDtfsCounter, 1 mSDsluCounter, 362 mSDsCounter, 0 mSdLazyCounter, 63 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 545 SdHoareTripleChecker+Invalid, 64 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 63 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2022-11-16 15:53:38,624 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 545 Invalid, 64 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 63 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2022-11-16 15:53:38,625 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 248 states. [2022-11-16 15:53:38,639 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 248 to 248. [2022-11-16 15:53:38,640 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 248 states, 210 states have (on average 1.2380952380952381) internal successors, (260), 233 states have internal predecessors, (260), 25 states have call successors, (25), 5 states have call predecessors, (25), 6 states have return successors, (27), 10 states have call predecessors, (27), 25 states have call successors, (27) [2022-11-16 15:53:38,642 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 248 states to 248 states and 312 transitions. [2022-11-16 15:53:38,642 INFO L78 Accepts]: Start accepts. Automaton has 248 states and 312 transitions. Word has length 52 [2022-11-16 15:53:38,643 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 15:53:38,643 INFO L495 AbstractCegarLoop]: Abstraction has 248 states and 312 transitions. [2022-11-16 15:53:38,643 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 14.666666666666666) internal successors, (44), 4 states have internal predecessors, (44), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 1 states have call predecessors, (4), 2 states have call successors, (4) [2022-11-16 15:53:38,643 INFO L276 IsEmpty]: Start isEmpty. Operand 248 states and 312 transitions. [2022-11-16 15:53:38,645 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2022-11-16 15:53:38,645 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 15:53:38,645 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 15:53:38,665 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d440d7c5-45f2-48c5-a97c-dff1bda0c9eb/bin/utaipan-Xvt2sAort0/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2022-11-16 15:53:38,858 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d440d7c5-45f2-48c5-a97c-dff1bda0c9eb/bin/utaipan-Xvt2sAort0/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5 [2022-11-16 15:53:38,858 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [test_intErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, test_intErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-11-16 15:53:38,859 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 15:53:38,859 INFO L85 PathProgramCache]: Analyzing trace with hash 94867541, now seen corresponding path program 1 times [2022-11-16 15:53:38,859 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-16 15:53:38,859 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [795422744] [2022-11-16 15:53:38,859 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 15:53:38,859 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 15:53:38,915 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-16 15:53:38,916 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1929667640] [2022-11-16 15:53:38,916 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 15:53:38,916 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-16 15:53:38,916 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d440d7c5-45f2-48c5-a97c-dff1bda0c9eb/bin/utaipan-Xvt2sAort0/z3 [2022-11-16 15:53:38,917 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d440d7c5-45f2-48c5-a97c-dff1bda0c9eb/bin/utaipan-Xvt2sAort0/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-16 15:53:38,936 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d440d7c5-45f2-48c5-a97c-dff1bda0c9eb/bin/utaipan-Xvt2sAort0/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2022-11-16 15:54:18,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 15:54:18,524 INFO L263 TraceCheckSpWp]: Trace formula consists of 777 conjuncts, 12 conjunts are in the unsatisfiable core [2022-11-16 15:54:18,529 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 15:54:18,591 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-11-16 15:54:18,591 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-16 15:54:18,752 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 5 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-11-16 15:54:18,753 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-16 15:54:18,753 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [795422744] [2022-11-16 15:54:18,753 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-16 15:54:18,754 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1929667640] [2022-11-16 15:54:18,754 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1929667640] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-16 15:54:18,754 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1927313767] [2022-11-16 15:54:18,784 INFO L159 IcfgInterpreter]: Started Sifa with 50 locations of interest [2022-11-16 15:54:18,785 INFO L166 IcfgInterpreter]: Building call graph [2022-11-16 15:54:18,790 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-16 15:54:18,798 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-16 15:54:18,799 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-16 15:54:18,895 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2022-11-16 15:54:18,902 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2022-11-16 15:54:18,911 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 15:54:18,913 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 28 [2022-11-16 15:54:18,926 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 15:54:18,949 INFO L321 Elim1Store]: treesize reduction 18, result has 35.7 percent of original size [2022-11-16 15:54:18,950 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 5 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 2 case distinctions, treesize of input 27 treesize of output 37 [2022-11-16 15:54:18,965 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 15:54:18,966 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 22 [2022-11-16 15:54:19,012 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2022-11-16 15:54:19,023 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 15:54:19,025 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 15:54:19,069 INFO L321 Elim1Store]: treesize reduction 36, result has 34.5 percent of original size [2022-11-16 15:54:19,070 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 8 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 4 case distinctions, treesize of input 32 treesize of output 49 [2022-11-16 15:54:19,094 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 15:54:19,095 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 15:54:19,100 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 8 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 30 [2022-11-16 15:54:19,134 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 15:54:19,136 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 15:54:19,140 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 [2022-11-16 15:54:19,161 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2022-11-16 15:54:19,216 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1 [2022-11-16 15:54:19,232 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 15:54:19,234 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 15:54:19,235 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 15:54:19,237 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 9 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 84 treesize of output 64 [2022-11-16 15:54:19,257 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1 [2022-11-16 15:54:19,805 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 19 [2022-11-16 15:54:19,830 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 19 [2022-11-16 15:54:19,870 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 15:54:19,872 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 15:54:19,873 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 15:54:19,875 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 15:54:19,876 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 15:54:19,878 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 15:54:19,879 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 15:54:19,881 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 15:54:19,882 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 15:54:19,884 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 15:54:19,885 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 15:54:19,887 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 15:54:19,888 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 15:54:19,890 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 15:54:19,891 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 15:54:19,893 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 15:54:19,894 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 15:54:19,921 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 29 disjoint index pairs (out of 36 index pairs), introduced 8 new quantified variables, introduced 0 case distinctions, treesize of input 9896995 treesize of output 5376286 [2022-11-16 15:54:19,963 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 15:54:19,967 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 15:54:19,968 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 15:54:19,970 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 15:54:19,971 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 15:54:19,973 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 15:54:19,974 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 15:54:19,976 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 15:54:19,977 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 15:54:19,979 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 15:54:19,980 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 15:54:19,982 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 15:54:19,983 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 15:54:19,985 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 15:54:19,986 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 15:54:19,988 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 15:54:19,989 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 15:54:19,998 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 8458577 treesize of output 4759834 [2022-11-16 15:54:20,072 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 31 [2022-11-16 15:54:20,097 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 15:54:20,098 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 15:54:20,100 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 15:54:20,101 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 15:54:20,102 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 15:54:20,104 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 15:54:20,105 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 15:54:20,106 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 15:54:20,108 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 15:54:20,109 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 15:54:20,110 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 15:54:20,112 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 15:54:20,113 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 15:54:20,114 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 15:54:20,116 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 15:54:20,117 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 15:54:20,119 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 15:54:20,121 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 15:54:20,122 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 15:54:20,150 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 10 select indices, 10 select index equivalence classes, 36 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 0 case distinctions, treesize of input 8458592 treesize of output 4759837 [2022-11-16 15:54:20,190 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 15:54:20,191 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 15:54:20,193 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 15:54:20,194 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 15:54:20,195 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 15:54:20,197 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 15:54:20,198 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 15:54:20,199 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 15:54:20,201 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 15:54:20,202 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 15:54:20,203 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 15:54:20,205 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 15:54:20,207 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 15:54:20,208 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 15:54:20,209 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 15:54:20,212 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 15:54:20,213 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 15:54:20,214 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 15:54:20,216 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 15:54:20,220 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 10 select indices, 10 select index equivalence classes, 36 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 0 case distinctions, treesize of input 8458592 treesize of output 4759837 [2022-11-16 15:54:20,262 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 31 [2022-11-16 15:54:20,326 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 9 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 46 [2022-11-16 15:54:20,349 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 15:54:20,351 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 15:54:20,352 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 15:54:20,353 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 15:54:20,355 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 15:54:20,356 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 15:54:20,358 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 15:54:20,359 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 15:54:20,360 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 15:54:20,361 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 15:54:20,363 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 15:54:20,364 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 15:54:20,365 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 15:54:20,367 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 15:54:20,368 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 15:54:20,369 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 15:54:20,371 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 15:54:20,372 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 15:54:20,373 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 15:54:20,374 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 15:54:20,375 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 15:54:20,380 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 10 select indices, 10 select index equivalence classes, 36 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 0 case distinctions, treesize of input 8458592 treesize of output 4759837 [2022-11-16 15:54:20,429 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 10 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 46 [2022-11-16 15:54:20,469 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 15:54:20,471 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 15:54:20,472 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 15:54:20,536 INFO L321 Elim1Store]: treesize reduction 48, result has 48.9 percent of original size [2022-11-16 15:54:20,536 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 10 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 33 treesize of output 74 [2022-11-16 15:54:20,562 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 15:54:20,567 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 15:54:20,569 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 15:54:20,638 INFO L321 Elim1Store]: treesize reduction 90, result has 33.8 percent of original size [2022-11-16 15:54:20,638 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 6 select indices, 6 select index equivalence classes, 12 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 6 case distinctions, treesize of input 49 treesize of output 85 [2022-11-16 15:54:20,834 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2022-11-16 15:54:20,842 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 10 [2022-11-16 15:54:20,848 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 10 [2022-11-16 15:54:20,882 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 64 treesize of output 63 [2022-11-16 15:54:20,896 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 66 treesize of output 65 [2022-11-16 15:54:20,907 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 64 treesize of output 63 [2022-11-16 15:54:20,928 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 10 [2022-11-16 15:54:20,934 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2022-11-16 15:54:20,941 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 10 [2022-11-16 15:54:21,006 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 9 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 108 treesize of output 42 [2022-11-16 15:54:21,027 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 10 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 46 treesize of output 16 [2022-11-16 15:54:21,059 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 15:54:21,060 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 15:54:21,062 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 15:54:21,063 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 15:54:21,064 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 15:54:21,066 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 15:54:21,067 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 15:54:21,069 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 15:54:21,070 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 15:54:21,071 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 15:54:21,073 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 15:54:21,074 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 15:54:21,075 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 15:54:21,077 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 15:54:21,078 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 15:54:21,080 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 15:54:21,081 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 15:54:21,084 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 10 select indices, 10 select index equivalence classes, 30 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 0 case distinctions, treesize of input 8458573 treesize of output 4759755 [2022-11-16 15:54:21,316 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 15:54:21,317 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 15:54:21,321 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 15:54:21,322 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 15:54:21,324 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 15:54:21,325 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 15:54:21,326 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 15:54:21,327 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 15:54:21,328 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 15:54:21,329 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 15:54:21,330 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 15:54:21,331 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 15:54:21,332 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 15:54:21,333 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 15:54:21,334 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 15:54:21,336 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 15:54:21,337 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 15:54:21,339 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 10 select indices, 10 select index equivalence classes, 29 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 0 case distinctions, treesize of input 8458573 treesize of output 4759755 [2022-11-16 15:54:21,361 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 9 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 108 treesize of output 42 [2022-11-16 15:54:21,384 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 10 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 46 treesize of output 16 [2022-11-16 15:54:25,021 INFO L217 Elim1Store]: Index analysis took 3299 ms [2022-11-16 15:54:28,603 INFO L321 Elim1Store]: treesize reduction 142, result has 15.5 percent of original size [2022-11-16 15:54:28,604 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 9519772 treesize of output 9519776 [2022-11-16 15:54:30,143 INFO L217 Elim1Store]: Index analysis took 1390 ms [2022-11-16 15:54:36,224 WARN L233 SmtUtils]: Spent 6.08s on a formula simplification. DAG size of input: 109 DAG size of output: 22 (called from [L 318] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2022-11-16 15:54:36,225 INFO L321 Elim1Store]: treesize reduction 206, result has 11.2 percent of original size [2022-11-16 15:54:36,226 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 7 select indices, 7 select index equivalence classes, 4 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 22 case distinctions, treesize of input 9519777 treesize of output 9519780 [2022-11-16 15:54:45,392 WARN L233 SmtUtils]: Spent 9.10s 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) [2022-11-16 15:54:45,392 INFO L321 Elim1Store]: treesize reduction 340, result has 16.0 percent of original size [2022-11-16 15:54:45,393 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 1476 [2022-11-16 15:54:45,582 INFO L217 Elim1Store]: Index analysis took 110 ms [2022-11-16 15:55:12,128 WARN L233 SmtUtils]: Spent 26.54s on a formula simplification. DAG size of input: 90 DAG size of output: 45 (called from [L 318] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2022-11-16 15:55:12,128 INFO L321 Elim1Store]: treesize reduction 266, result has 31.6 percent of original size [2022-11-16 15:55:12,129 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 1819 [2022-11-16 15:55:12,959 INFO L217 Elim1Store]: Index analysis took 606 ms [2022-11-16 15:55:43,079 WARN L233 SmtUtils]: Spent 29.62s 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) [2022-11-16 15:55:43,080 INFO L321 Elim1Store]: treesize reduction 2466, result has 32.0 percent of original size [2022-11-16 15:55:43,081 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 [2022-11-16 15:55:44,522 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 15:55:44,524 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 90 treesize of output 69 [2022-11-16 15:55:44,655 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 15:55:44,656 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 15:55:44,658 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 69 treesize of output 55 [2022-11-16 15:55:45,406 INFO L217 Elim1Store]: Index analysis took 535 ms [2022-11-16 15:55:46,858 INFO L321 Elim1Store]: treesize reduction 36, result has 33.3 percent of original size [2022-11-16 15:55:46,859 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 3 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 6 case distinctions, treesize of input 82 treesize of output 108 [2022-11-16 15:55:47,051 INFO L321 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2022-11-16 15:55:47,052 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 23 treesize of output 15 [2022-11-16 15:55:47,549 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 15:55:47,549 INFO L217 Elim1Store]: Index analysis took 331 ms [2022-11-16 15:55:47,568 INFO L321 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2022-11-16 15:55:47,569 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 42 treesize of output 30 [2022-11-16 15:55:47,649 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 15:55:47,698 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 15:55:47,835 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 15:55:47,836 INFO L217 Elim1Store]: Index analysis took 138 ms [2022-11-16 15:55:47,838 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 4 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 152 treesize of output 212 [2022-11-16 15:55:48,334 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 15:55:48,494 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 15:55:48,494 INFO L217 Elim1Store]: Index analysis took 435 ms [2022-11-16 15:55:48,496 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 3 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 35 treesize of output 50 [2022-11-16 15:55:48,701 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 15:55:48,703 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 42 treesize of output 30 [2022-11-16 15:55:48,878 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 15:55:48,880 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 [2022-11-16 15:55:48,913 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-16 15:55:50,739 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 15:55:50,741 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 17 treesize of output 11 [2022-11-16 15:55:50,845 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-16 15:58:18,020 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-16 15:58:18,046 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-16 15:58:19,049 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-16 15:58:19,112 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-16 16:01:41,677 WARN L233 SmtUtils]: Spent 6.56s on a formula simplification that was a NOOP. DAG size: 3257 (called from [L 800] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify)