./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/uthash-2.0.2/uthash_SAX_test8-2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 8393723b 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_609f3d41-dcd2-4ded-8294-e9cf39ed2e44/bin/utaipan-I9t0OCRTmS/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_609f3d41-dcd2-4ded-8294-e9cf39ed2e44/bin/utaipan-I9t0OCRTmS/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_609f3d41-dcd2-4ded-8294-e9cf39ed2e44/bin/utaipan-I9t0OCRTmS/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_609f3d41-dcd2-4ded-8294-e9cf39ed2e44/bin/utaipan-I9t0OCRTmS/config/TaipanReach.xml -i ../../sv-benchmarks/c/uthash-2.0.2/uthash_SAX_test8-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_609f3d41-dcd2-4ded-8294-e9cf39ed2e44/bin/utaipan-I9t0OCRTmS/config/svcomp-Overflow-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_609f3d41-dcd2-4ded-8294-e9cf39ed2e44/bin/utaipan-I9t0OCRTmS --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 42d34b3801344b79b388ecea52b2e670196aa6b758fe24ea6ecf5c2b8bbf579b --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-8393723 [2022-11-19 07:56:35,557 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-19 07:56:35,560 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-19 07:56:35,584 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-19 07:56:35,585 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-19 07:56:35,586 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-19 07:56:35,587 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-19 07:56:35,589 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-19 07:56:35,591 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-19 07:56:35,592 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-19 07:56:35,593 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-19 07:56:35,594 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-19 07:56:35,594 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-19 07:56:35,596 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-19 07:56:35,597 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-19 07:56:35,598 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-19 07:56:35,599 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-19 07:56:35,600 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-19 07:56:35,602 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-19 07:56:35,604 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-19 07:56:35,605 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-19 07:56:35,614 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-19 07:56:35,616 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-19 07:56:35,617 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-19 07:56:35,620 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-19 07:56:35,625 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-19 07:56:35,625 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-19 07:56:35,626 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-19 07:56:35,627 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-19 07:56:35,628 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-19 07:56:35,629 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-19 07:56:35,630 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-19 07:56:35,631 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-19 07:56:35,633 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-19 07:56:35,634 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-19 07:56:35,636 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-19 07:56:35,637 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-19 07:56:35,637 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-19 07:56:35,638 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-19 07:56:35,638 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-19 07:56:35,639 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-19 07:56:35,640 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_609f3d41-dcd2-4ded-8294-e9cf39ed2e44/bin/utaipan-I9t0OCRTmS/config/svcomp-Overflow-32bit-Taipan_Default.epf [2022-11-19 07:56:35,676 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-19 07:56:35,677 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-19 07:56:35,677 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-19 07:56:35,678 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-19 07:56:35,679 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-19 07:56:35,679 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-19 07:56:35,679 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-19 07:56:35,679 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-19 07:56:35,680 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-19 07:56:35,680 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-19 07:56:35,681 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-19 07:56:35,681 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-19 07:56:35,681 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-19 07:56:35,681 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-19 07:56:35,682 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-19 07:56:35,682 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-19 07:56:35,682 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-19 07:56:35,682 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-19 07:56:35,683 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-19 07:56:35,683 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-19 07:56:35,684 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-19 07:56:35,684 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-19 07:56:35,684 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-19 07:56:35,685 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-19 07:56:35,686 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-19 07:56:35,686 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-19 07:56:35,686 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-19 07:56:35,686 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-19 07:56:35,686 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-19 07:56:35,687 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-19 07:56:35,687 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-19 07:56:35,687 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-19 07:56:35,687 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-19 07:56:35,688 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-19 07:56:35,688 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-19 07:56:35,688 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-19 07:56:35,688 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-19 07:56:35,689 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-19 07:56:35,689 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-19 07:56:35,690 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-19 07:56:35,690 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-19 07:56:35,690 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-19 07:56:35,690 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-19 07:56:35,690 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_609f3d41-dcd2-4ded-8294-e9cf39ed2e44/bin/utaipan-I9t0OCRTmS/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_609f3d41-dcd2-4ded-8294-e9cf39ed2e44/bin/utaipan-I9t0OCRTmS Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 42d34b3801344b79b388ecea52b2e670196aa6b758fe24ea6ecf5c2b8bbf579b [2022-11-19 07:56:35,949 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-19 07:56:35,969 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-19 07:56:35,972 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-19 07:56:35,973 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-19 07:56:35,974 INFO L275 PluginConnector]: CDTParser initialized [2022-11-19 07:56:35,975 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_609f3d41-dcd2-4ded-8294-e9cf39ed2e44/bin/utaipan-I9t0OCRTmS/../../sv-benchmarks/c/uthash-2.0.2/uthash_SAX_test8-2.i [2022-11-19 07:56:36,049 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_609f3d41-dcd2-4ded-8294-e9cf39ed2e44/bin/utaipan-I9t0OCRTmS/data/ffc163bfd/6298e714174841feab0d89889d2b7ed7/FLAG6a1bde620 [2022-11-19 07:56:36,713 INFO L306 CDTParser]: Found 1 translation units. [2022-11-19 07:56:36,718 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_609f3d41-dcd2-4ded-8294-e9cf39ed2e44/sv-benchmarks/c/uthash-2.0.2/uthash_SAX_test8-2.i [2022-11-19 07:56:36,742 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_609f3d41-dcd2-4ded-8294-e9cf39ed2e44/bin/utaipan-I9t0OCRTmS/data/ffc163bfd/6298e714174841feab0d89889d2b7ed7/FLAG6a1bde620 [2022-11-19 07:56:37,046 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_609f3d41-dcd2-4ded-8294-e9cf39ed2e44/bin/utaipan-I9t0OCRTmS/data/ffc163bfd/6298e714174841feab0d89889d2b7ed7 [2022-11-19 07:56:37,048 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-19 07:56:37,052 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-19 07:56:37,053 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-19 07:56:37,054 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-19 07:56:37,057 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-19 07:56:37,058 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 07:56:37" (1/1) ... [2022-11-19 07:56:37,059 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3a9c1570 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:56:37, skipping insertion in model container [2022-11-19 07:56:37,060 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 07:56:37" (1/1) ... [2022-11-19 07:56:37,067 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-19 07:56:37,129 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-19 07:56:37,573 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_609f3d41-dcd2-4ded-8294-e9cf39ed2e44/sv-benchmarks/c/uthash-2.0.2/uthash_SAX_test8-2.i[33021,33034] [2022-11-19 07:56:37,686 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_609f3d41-dcd2-4ded-8294-e9cf39ed2e44/sv-benchmarks/c/uthash-2.0.2/uthash_SAX_test8-2.i[45234,45247] [2022-11-19 07:56:37,702 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-19 07:56:37,711 INFO L203 MainTranslator]: Completed pre-run [2022-11-19 07:56:37,738 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_609f3d41-dcd2-4ded-8294-e9cf39ed2e44/sv-benchmarks/c/uthash-2.0.2/uthash_SAX_test8-2.i[33021,33034] [2022-11-19 07:56:37,837 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_609f3d41-dcd2-4ded-8294-e9cf39ed2e44/sv-benchmarks/c/uthash-2.0.2/uthash_SAX_test8-2.i[45234,45247] [2022-11-19 07:56:37,864 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-19 07:56:37,905 INFO L208 MainTranslator]: Completed translation [2022-11-19 07:56:37,906 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:56:37 WrapperNode [2022-11-19 07:56:37,906 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-19 07:56:37,907 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-19 07:56:37,907 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-19 07:56:37,907 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-19 07:56:37,915 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:56:37" (1/1) ... [2022-11-19 07:56:37,972 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:56:37" (1/1) ... [2022-11-19 07:56:38,077 INFO L138 Inliner]: procedures = 177, calls = 348, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 1153 [2022-11-19 07:56:38,077 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-19 07:56:38,078 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-19 07:56:38,079 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-19 07:56:38,079 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-19 07:56:38,088 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:56:37" (1/1) ... [2022-11-19 07:56:38,088 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:56:37" (1/1) ... [2022-11-19 07:56:38,108 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:56:37" (1/1) ... [2022-11-19 07:56:38,109 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:56:37" (1/1) ... [2022-11-19 07:56:38,160 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:56:37" (1/1) ... [2022-11-19 07:56:38,172 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:56:37" (1/1) ... [2022-11-19 07:56:38,176 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:56:37" (1/1) ... [2022-11-19 07:56:38,180 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:56:37" (1/1) ... [2022-11-19 07:56:38,188 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-19 07:56:38,189 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-19 07:56:38,189 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-19 07:56:38,190 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-19 07:56:38,191 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:56:37" (1/1) ... [2022-11-19 07:56:38,197 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-19 07:56:38,208 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_609f3d41-dcd2-4ded-8294-e9cf39ed2e44/bin/utaipan-I9t0OCRTmS/z3 [2022-11-19 07:56:38,231 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_609f3d41-dcd2-4ded-8294-e9cf39ed2e44/bin/utaipan-I9t0OCRTmS/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-19 07:56:38,254 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_609f3d41-dcd2-4ded-8294-e9cf39ed2e44/bin/utaipan-I9t0OCRTmS/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-19 07:56:38,273 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-19 07:56:38,273 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2022-11-19 07:56:38,273 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2022-11-19 07:56:38,273 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-19 07:56:38,274 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-11-19 07:56:38,274 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-11-19 07:56:38,274 INFO L130 BoogieDeclarations]: Found specification of procedure test_int [2022-11-19 07:56:38,274 INFO L138 BoogieDeclarations]: Found implementation of procedure test_int [2022-11-19 07:56:38,274 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-19 07:56:38,275 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-19 07:56:38,275 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-19 07:56:38,275 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-19 07:56:38,275 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2022-11-19 07:56:38,275 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-19 07:56:38,275 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-19 07:56:38,276 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-19 07:56:38,276 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-19 07:56:38,276 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-19 07:56:38,641 INFO L235 CfgBuilder]: Building ICFG [2022-11-19 07:56:38,644 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-19 07:56:40,292 INFO L276 CfgBuilder]: Performing block encoding [2022-11-19 07:56:40,800 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-19 07:56:40,800 INFO L300 CfgBuilder]: Removed 71 assume(true) statements. [2022-11-19 07:56:40,803 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:56:40 BoogieIcfgContainer [2022-11-19 07:56:40,803 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-19 07:56:40,805 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-19 07:56:40,805 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-19 07:56:40,808 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-19 07:56:40,809 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 07:56:37" (1/3) ... [2022-11-19 07:56:40,809 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6d01beaa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 07:56:40, skipping insertion in model container [2022-11-19 07:56:40,810 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:56:37" (2/3) ... [2022-11-19 07:56:40,810 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6d01beaa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 07:56:40, skipping insertion in model container [2022-11-19 07:56:40,810 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:56:40" (3/3) ... [2022-11-19 07:56:40,811 INFO L112 eAbstractionObserver]: Analyzing ICFG uthash_SAX_test8-2.i [2022-11-19 07:56:40,830 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-19 07:56:40,830 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 8 error locations. [2022-11-19 07:56:40,881 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-19 07:56:40,887 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;@2fb0bb5f, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-19 07:56:40,888 INFO L358 AbstractCegarLoop]: Starting to check reachability of 8 error locations. [2022-11-19 07:56:40,892 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) [2022-11-19 07:56:40,898 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2022-11-19 07:56:40,898 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 07:56:40,899 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1] [2022-11-19 07:56:40,899 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)] === [2022-11-19 07:56:40,904 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 07:56:40,904 INFO L85 PathProgramCache]: Analyzing trace with hash 32197593, now seen corresponding path program 1 times [2022-11-19 07:56:40,913 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 07:56:40,914 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [338959169] [2022-11-19 07:56:40,914 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 07:56:40,915 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 07:56:41,030 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-19 07:56:41,031 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1855093077] [2022-11-19 07:56:41,031 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 07:56:41,031 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-19 07:56:41,031 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_609f3d41-dcd2-4ded-8294-e9cf39ed2e44/bin/utaipan-I9t0OCRTmS/z3 [2022-11-19 07:56:41,037 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_609f3d41-dcd2-4ded-8294-e9cf39ed2e44/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-19 07:56:41,061 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_609f3d41-dcd2-4ded-8294-e9cf39ed2e44/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-11-19 07:56:41,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 07:56:41,272 INFO L263 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 13 conjunts are in the unsatisfiable core [2022-11-19 07:56:41,278 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-19 07:56:41,351 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2022-11-19 07:56:41,360 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-11-19 07:56:41,395 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:56:41,398 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 7 [2022-11-19 07:56:41,406 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-19 07:56:41,407 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-19 07:56:41,407 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 07:56:41,407 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [338959169] [2022-11-19 07:56:41,407 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-19 07:56:41,407 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1855093077] [2022-11-19 07:56:41,408 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1855093077] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 07:56:41,408 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 07:56:41,408 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-19 07:56:41,410 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1639644273] [2022-11-19 07:56:41,411 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 07:56:41,415 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-19 07:56:41,416 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 07:56:41,460 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-19 07:56:41,461 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-19 07:56:41,466 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) [2022-11-19 07:56:44,169 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 07:56:44,170 INFO L93 Difference]: Finished difference Result 399 states and 692 transitions. [2022-11-19 07:56:44,172 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-19 07:56:44,173 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 4 [2022-11-19 07:56:44,173 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 07:56:44,182 INFO L225 Difference]: With dead ends: 399 [2022-11-19 07:56:44,182 INFO L226 Difference]: Without dead ends: 208 [2022-11-19 07:56:44,191 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-19 07:56:44,197 INFO L413 NwaCegarLoop]: 184 mSDtfsCounter, 60 mSDsluCounter, 342 mSDsCounter, 0 mSdLazyCounter, 142 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.5s 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, 2.6s IncrementalHoareTripleChecker+Time [2022-11-19 07:56:44,198 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [60 Valid, 526 Invalid, 146 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 142 Invalid, 0 Unknown, 0 Unchecked, 2.6s Time] [2022-11-19 07:56:44,216 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 208 states. [2022-11-19 07:56:44,264 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 208 to 160. [2022-11-19 07:56:44,267 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) [2022-11-19 07:56:44,272 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 160 states to 160 states and 209 transitions. [2022-11-19 07:56:44,275 INFO L78 Accepts]: Start accepts. Automaton has 160 states and 209 transitions. Word has length 4 [2022-11-19 07:56:44,275 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 07:56:44,275 INFO L495 AbstractCegarLoop]: Abstraction has 160 states and 209 transitions. [2022-11-19 07:56:44,279 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-19 07:56:44,280 INFO L276 IsEmpty]: Start isEmpty. Operand 160 states and 209 transitions. [2022-11-19 07:56:44,282 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2022-11-19 07:56:44,282 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 07:56:44,282 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] [2022-11-19 07:56:44,293 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_609f3d41-dcd2-4ded-8294-e9cf39ed2e44/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2022-11-19 07:56:44,488 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_609f3d41-dcd2-4ded-8294-e9cf39ed2e44/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-19 07:56:44,489 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)] === [2022-11-19 07:56:44,489 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 07:56:44,489 INFO L85 PathProgramCache]: Analyzing trace with hash 1415566518, now seen corresponding path program 1 times [2022-11-19 07:56:44,490 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 07:56:44,490 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1026098360] [2022-11-19 07:56:44,490 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 07:56:44,490 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 07:56:44,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 07:56:45,009 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-19 07:56:45,010 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 07:56:45,010 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1026098360] [2022-11-19 07:56:45,010 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1026098360] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 07:56:45,011 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 07:56:45,011 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-19 07:56:45,011 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2057069328] [2022-11-19 07:56:45,011 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 07:56:45,012 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-19 07:56:45,012 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 07:56:45,013 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-19 07:56:45,013 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-19 07:56:45,013 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) [2022-11-19 07:56:47,248 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 07:56:47,249 INFO L93 Difference]: Finished difference Result 297 states and 393 transitions. [2022-11-19 07:56:47,249 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-19 07:56:47,249 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 [2022-11-19 07:56:47,250 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 07:56:47,251 INFO L225 Difference]: With dead ends: 297 [2022-11-19 07:56:47,252 INFO L226 Difference]: Without dead ends: 204 [2022-11-19 07:56:47,252 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-19 07:56:47,253 INFO L413 NwaCegarLoop]: 182 mSDtfsCounter, 51 mSDsluCounter, 334 mSDsCounter, 0 mSdLazyCounter, 109 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.1s 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, 2.2s IncrementalHoareTripleChecker+Time [2022-11-19 07:56:47,254 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [52 Valid, 516 Invalid, 111 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 109 Invalid, 0 Unknown, 0 Unchecked, 2.2s Time] [2022-11-19 07:56:47,255 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 204 states. [2022-11-19 07:56:47,265 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 204 to 160. [2022-11-19 07:56:47,265 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) [2022-11-19 07:56:47,267 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 160 states to 160 states and 208 transitions. [2022-11-19 07:56:47,267 INFO L78 Accepts]: Start accepts. Automaton has 160 states and 208 transitions. Word has length 26 [2022-11-19 07:56:47,267 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 07:56:47,267 INFO L495 AbstractCegarLoop]: Abstraction has 160 states and 208 transitions. [2022-11-19 07:56:47,268 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) [2022-11-19 07:56:47,268 INFO L276 IsEmpty]: Start isEmpty. Operand 160 states and 208 transitions. [2022-11-19 07:56:47,269 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2022-11-19 07:56:47,269 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 07:56:47,269 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] [2022-11-19 07:56:47,269 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-19 07:56:47,269 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)] === [2022-11-19 07:56:47,270 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 07:56:47,270 INFO L85 PathProgramCache]: Analyzing trace with hash 1725832852, now seen corresponding path program 1 times [2022-11-19 07:56:47,270 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 07:56:47,271 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [96813460] [2022-11-19 07:56:47,271 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 07:56:47,271 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 07:56:47,397 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-19 07:56:47,397 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [578879838] [2022-11-19 07:56:47,397 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 07:56:47,397 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-19 07:56:47,398 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_609f3d41-dcd2-4ded-8294-e9cf39ed2e44/bin/utaipan-I9t0OCRTmS/z3 [2022-11-19 07:56:47,399 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_609f3d41-dcd2-4ded-8294-e9cf39ed2e44/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-19 07:56:47,429 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_609f3d41-dcd2-4ded-8294-e9cf39ed2e44/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-11-19 07:56:48,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 07:56:48,147 INFO L263 TraceCheckSpWp]: Trace formula consists of 1590 conjuncts, 5 conjunts are in the unsatisfiable core [2022-11-19 07:56:48,152 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-19 07:56:48,224 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-19 07:56:48,224 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-19 07:56:48,224 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 07:56:48,225 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [96813460] [2022-11-19 07:56:48,225 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-19 07:56:48,225 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [578879838] [2022-11-19 07:56:48,225 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [578879838] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 07:56:48,225 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 07:56:48,225 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-19 07:56:48,226 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [175191778] [2022-11-19 07:56:48,226 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 07:56:48,226 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-19 07:56:48,226 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 07:56:48,227 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-19 07:56:48,227 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-19 07:56:48,227 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) [2022-11-19 07:56:49,666 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 07:56:49,666 INFO L93 Difference]: Finished difference Result 247 states and 334 transitions. [2022-11-19 07:56:49,670 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-19 07:56:49,671 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 [2022-11-19 07:56:49,671 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 07:56:49,672 INFO L225 Difference]: With dead ends: 247 [2022-11-19 07:56:49,673 INFO L226 Difference]: Without dead ends: 246 [2022-11-19 07:56:49,673 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 [2022-11-19 07:56:49,674 INFO L413 NwaCegarLoop]: 187 mSDtfsCounter, 72 mSDsluCounter, 357 mSDsCounter, 0 mSdLazyCounter, 105 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s 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, 1.4s IncrementalHoareTripleChecker+Time [2022-11-19 07:56:49,674 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [87 Valid, 544 Invalid, 106 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 105 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2022-11-19 07:56:49,675 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 246 states. [2022-11-19 07:56:49,691 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 246 to 213. [2022-11-19 07:56:49,692 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) [2022-11-19 07:56:49,693 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 213 states to 213 states and 270 transitions. [2022-11-19 07:56:49,694 INFO L78 Accepts]: Start accepts. Automaton has 213 states and 270 transitions. Word has length 30 [2022-11-19 07:56:49,694 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 07:56:49,694 INFO L495 AbstractCegarLoop]: Abstraction has 213 states and 270 transitions. [2022-11-19 07:56:49,694 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) [2022-11-19 07:56:49,695 INFO L276 IsEmpty]: Start isEmpty. Operand 213 states and 270 transitions. [2022-11-19 07:56:49,695 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2022-11-19 07:56:49,696 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 07:56:49,696 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] [2022-11-19 07:56:49,707 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_609f3d41-dcd2-4ded-8294-e9cf39ed2e44/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-11-19 07:56:49,904 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_609f3d41-dcd2-4ded-8294-e9cf39ed2e44/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable2 [2022-11-19 07:56:49,904 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)] === [2022-11-19 07:56:49,905 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 07:56:49,905 INFO L85 PathProgramCache]: Analyzing trace with hash 1961210902, now seen corresponding path program 1 times [2022-11-19 07:56:49,905 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 07:56:49,905 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [435281340] [2022-11-19 07:56:49,906 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 07:56:49,906 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 07:56:50,024 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-19 07:56:50,024 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [821354711] [2022-11-19 07:56:50,025 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 07:56:50,025 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-19 07:56:50,025 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_609f3d41-dcd2-4ded-8294-e9cf39ed2e44/bin/utaipan-I9t0OCRTmS/z3 [2022-11-19 07:56:50,026 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_609f3d41-dcd2-4ded-8294-e9cf39ed2e44/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-19 07:56:50,049 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_609f3d41-dcd2-4ded-8294-e9cf39ed2e44/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-11-19 07:56:50,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 07:56:50,867 INFO L263 TraceCheckSpWp]: Trace formula consists of 1591 conjuncts, 5 conjunts are in the unsatisfiable core [2022-11-19 07:56:50,871 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-19 07:56:50,933 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-19 07:56:50,934 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-19 07:56:50,934 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 07:56:50,934 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [435281340] [2022-11-19 07:56:50,934 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-19 07:56:50,935 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [821354711] [2022-11-19 07:56:50,935 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [821354711] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 07:56:50,935 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 07:56:50,935 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-19 07:56:50,936 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1855158531] [2022-11-19 07:56:50,936 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 07:56:50,936 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-19 07:56:50,937 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 07:56:50,937 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-19 07:56:50,937 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-19 07:56:50,938 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) [2022-11-19 07:56:52,895 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.45s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-19 07:56:52,896 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 07:56:52,897 INFO L93 Difference]: Finished difference Result 213 states and 270 transitions. [2022-11-19 07:56:52,905 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-19 07:56:52,905 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 [2022-11-19 07:56:52,906 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 07:56:52,907 INFO L225 Difference]: With dead ends: 213 [2022-11-19 07:56:52,907 INFO L226 Difference]: Without dead ends: 212 [2022-11-19 07:56:52,908 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 [2022-11-19 07:56:52,909 INFO L413 NwaCegarLoop]: 152 mSDtfsCounter, 191 mSDsluCounter, 136 mSDsCounter, 0 mSdLazyCounter, 69 mSolverCounterSat, 31 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.9s 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, 1.9s IncrementalHoareTripleChecker+Time [2022-11-19 07:56:52,909 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [191 Valid, 288 Invalid, 100 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [31 Valid, 69 Invalid, 0 Unknown, 0 Unchecked, 1.9s Time] [2022-11-19 07:56:52,910 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 212 states. [2022-11-19 07:56:52,926 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 212 to 212. [2022-11-19 07:56:52,927 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) [2022-11-19 07:56:52,929 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 212 states to 212 states and 269 transitions. [2022-11-19 07:56:52,929 INFO L78 Accepts]: Start accepts. Automaton has 212 states and 269 transitions. Word has length 31 [2022-11-19 07:56:52,929 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 07:56:52,930 INFO L495 AbstractCegarLoop]: Abstraction has 212 states and 269 transitions. [2022-11-19 07:56:52,930 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) [2022-11-19 07:56:52,930 INFO L276 IsEmpty]: Start isEmpty. Operand 212 states and 269 transitions. [2022-11-19 07:56:52,931 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2022-11-19 07:56:52,932 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 07:56:52,932 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] [2022-11-19 07:56:52,958 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_609f3d41-dcd2-4ded-8294-e9cf39ed2e44/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2022-11-19 07:56:53,142 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_609f3d41-dcd2-4ded-8294-e9cf39ed2e44/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-19 07:56:53,142 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)] === [2022-11-19 07:56:53,143 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 07:56:53,143 INFO L85 PathProgramCache]: Analyzing trace with hash 176654397, now seen corresponding path program 1 times [2022-11-19 07:56:53,143 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 07:56:53,143 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [487348787] [2022-11-19 07:56:53,144 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 07:56:53,144 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 07:56:53,278 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-19 07:56:53,279 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [378031527] [2022-11-19 07:56:53,279 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 07:56:53,279 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-19 07:56:53,279 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_609f3d41-dcd2-4ded-8294-e9cf39ed2e44/bin/utaipan-I9t0OCRTmS/z3 [2022-11-19 07:56:53,280 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_609f3d41-dcd2-4ded-8294-e9cf39ed2e44/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-19 07:56:53,286 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_609f3d41-dcd2-4ded-8294-e9cf39ed2e44/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-11-19 07:56:54,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 07:56:54,179 INFO L263 TraceCheckSpWp]: Trace formula consists of 1610 conjuncts, 5 conjunts are in the unsatisfiable core [2022-11-19 07:56:54,183 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-19 07:56:54,260 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-19 07:56:54,260 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-19 07:56:54,260 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 07:56:54,260 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [487348787] [2022-11-19 07:56:54,261 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-19 07:56:54,261 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [378031527] [2022-11-19 07:56:54,261 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [378031527] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 07:56:54,261 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 07:56:54,261 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-19 07:56:54,262 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [916340532] [2022-11-19 07:56:54,262 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 07:56:54,262 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-19 07:56:54,262 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 07:56:54,263 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-19 07:56:54,263 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-19 07:56:54,263 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) [2022-11-19 07:56:55,013 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 07:56:55,013 INFO L93 Difference]: Finished difference Result 432 states and 547 transitions. [2022-11-19 07:56:55,037 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-19 07:56:55,037 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 [2022-11-19 07:56:55,038 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 07:56:55,039 INFO L225 Difference]: With dead ends: 432 [2022-11-19 07:56:55,039 INFO L226 Difference]: Without dead ends: 247 [2022-11-19 07:56:55,040 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 [2022-11-19 07:56:55,041 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, 0.7s IncrementalHoareTripleChecker+Time [2022-11-19 07:56:55,041 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [50 Valid, 355 Invalid, 61 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 56 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-11-19 07:56:55,042 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 247 states. [2022-11-19 07:56:55,064 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 247 to 244. [2022-11-19 07:56:55,074 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) [2022-11-19 07:56:55,075 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 244 states to 244 states and 306 transitions. [2022-11-19 07:56:55,078 INFO L78 Accepts]: Start accepts. Automaton has 244 states and 306 transitions. Word has length 39 [2022-11-19 07:56:55,078 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 07:56:55,078 INFO L495 AbstractCegarLoop]: Abstraction has 244 states and 306 transitions. [2022-11-19 07:56:55,078 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) [2022-11-19 07:56:55,079 INFO L276 IsEmpty]: Start isEmpty. Operand 244 states and 306 transitions. [2022-11-19 07:56:55,080 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2022-11-19 07:56:55,081 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 07:56:55,082 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] [2022-11-19 07:56:55,096 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_609f3d41-dcd2-4ded-8294-e9cf39ed2e44/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2022-11-19 07:56:55,295 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_609f3d41-dcd2-4ded-8294-e9cf39ed2e44/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-19 07:56:55,296 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)] === [2022-11-19 07:56:55,296 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 07:56:55,296 INFO L85 PathProgramCache]: Analyzing trace with hash -1100217069, now seen corresponding path program 1 times [2022-11-19 07:56:55,296 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 07:56:55,296 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1013695732] [2022-11-19 07:56:55,296 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 07:56:55,296 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 07:56:55,348 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-19 07:56:55,349 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1787442729] [2022-11-19 07:56:55,349 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 07:56:55,349 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-19 07:56:55,349 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_609f3d41-dcd2-4ded-8294-e9cf39ed2e44/bin/utaipan-I9t0OCRTmS/z3 [2022-11-19 07:56:55,350 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_609f3d41-dcd2-4ded-8294-e9cf39ed2e44/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-19 07:56:55,381 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_609f3d41-dcd2-4ded-8294-e9cf39ed2e44/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2022-11-19 07:57:01,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 07:57:01,059 INFO L263 TraceCheckSpWp]: Trace formula consists of 747 conjuncts, 5 conjunts are in the unsatisfiable core [2022-11-19 07:57:01,062 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-19 07:57:01,078 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-19 07:57:01,078 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-19 07:57:01,079 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 07:57:01,079 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1013695732] [2022-11-19 07:57:01,079 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-19 07:57:01,079 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1787442729] [2022-11-19 07:57:01,079 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1787442729] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 07:57:01,079 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 07:57:01,080 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-19 07:57:01,080 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [42863576] [2022-11-19 07:57:01,080 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 07:57:01,080 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-19 07:57:01,081 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 07:57:01,081 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-19 07:57:01,081 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-19 07:57:01,081 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) [2022-11-19 07:57:02,057 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 07:57:02,057 INFO L93 Difference]: Finished difference Result 471 states and 599 transitions. [2022-11-19 07:57:02,062 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-19 07:57:02,062 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 [2022-11-19 07:57:02,062 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 07:57:02,064 INFO L225 Difference]: With dead ends: 471 [2022-11-19 07:57:02,064 INFO L226 Difference]: Without dead ends: 248 [2022-11-19 07:57:02,065 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 [2022-11-19 07:57:02,066 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, 0.9s IncrementalHoareTripleChecker+Time [2022-11-19 07:57:02,066 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 545 Invalid, 64 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 63 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2022-11-19 07:57:02,067 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 248 states. [2022-11-19 07:57:02,088 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 248 to 248. [2022-11-19 07:57:02,100 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) [2022-11-19 07:57:02,102 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 248 states to 248 states and 312 transitions. [2022-11-19 07:57:02,102 INFO L78 Accepts]: Start accepts. Automaton has 248 states and 312 transitions. Word has length 52 [2022-11-19 07:57:02,102 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 07:57:02,103 INFO L495 AbstractCegarLoop]: Abstraction has 248 states and 312 transitions. [2022-11-19 07:57:02,103 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) [2022-11-19 07:57:02,103 INFO L276 IsEmpty]: Start isEmpty. Operand 248 states and 312 transitions. [2022-11-19 07:57:02,104 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2022-11-19 07:57:02,105 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 07:57:02,109 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] [2022-11-19 07:57:02,123 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_609f3d41-dcd2-4ded-8294-e9cf39ed2e44/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2022-11-19 07:57:02,310 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_609f3d41-dcd2-4ded-8294-e9cf39ed2e44/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-19 07:57:02,310 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)] === [2022-11-19 07:57:02,311 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 07:57:02,311 INFO L85 PathProgramCache]: Analyzing trace with hash 94867541, now seen corresponding path program 1 times [2022-11-19 07:57:02,311 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 07:57:02,311 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [131994272] [2022-11-19 07:57:02,312 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 07:57:02,312 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 07:57:02,380 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-19 07:57:02,380 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [473697235] [2022-11-19 07:57:02,380 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 07:57:02,380 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-19 07:57:02,381 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_609f3d41-dcd2-4ded-8294-e9cf39ed2e44/bin/utaipan-I9t0OCRTmS/z3 [2022-11-19 07:57:02,382 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_609f3d41-dcd2-4ded-8294-e9cf39ed2e44/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-19 07:57:02,399 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_609f3d41-dcd2-4ded-8294-e9cf39ed2e44/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2022-11-19 07:57:36,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 07:57:36,487 INFO L263 TraceCheckSpWp]: Trace formula consists of 777 conjuncts, 12 conjunts are in the unsatisfiable core [2022-11-19 07:57:36,491 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-19 07:57:36,543 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-11-19 07:57:36,543 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-19 07:57:36,706 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 5 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-11-19 07:57:36,709 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 07:57:36,709 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [131994272] [2022-11-19 07:57:36,710 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-19 07:57:36,710 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [473697235] [2022-11-19 07:57:36,710 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [473697235] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-19 07:57:36,713 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [505750086] [2022-11-19 07:57:36,737 INFO L159 IcfgInterpreter]: Started Sifa with 50 locations of interest [2022-11-19 07:57:36,737 INFO L166 IcfgInterpreter]: Building call graph [2022-11-19 07:57:36,741 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-19 07:57:36,746 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-19 07:57:36,747 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-19 07:57:36,838 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2022-11-19 07:57:36,843 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2022-11-19 07:57:36,849 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:57:36,851 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 28 [2022-11-19 07:57:36,859 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:57:36,877 INFO L321 Elim1Store]: treesize reduction 18, result has 35.7 percent of original size [2022-11-19 07:57:36,877 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 5 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 2 case distinctions, treesize of input 27 treesize of output 37 [2022-11-19 07:57:36,888 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:57:36,889 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 22 [2022-11-19 07:57:36,923 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2022-11-19 07:57:36,931 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:57:36,932 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:57:36,963 INFO L321 Elim1Store]: treesize reduction 36, result has 34.5 percent of original size [2022-11-19 07:57:36,963 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 8 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 4 case distinctions, treesize of input 32 treesize of output 49 [2022-11-19 07:57:36,981 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:57:36,982 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:57:36,986 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 8 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 30 [2022-11-19 07:57:37,000 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:57:37,001 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:57:37,003 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 [2022-11-19 07:57:37,015 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2022-11-19 07:57:37,048 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1 [2022-11-19 07:57:37,058 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:57:37,060 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:57:37,061 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:57:37,062 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 9 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 84 treesize of output 64 [2022-11-19 07:57:37,077 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1 [2022-11-19 07:57:37,506 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 19 [2022-11-19 07:57:37,525 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 19 [2022-11-19 07:57:37,545 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:57:37,546 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:57:37,547 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:57:37,548 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:57:37,549 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:57:37,550 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:57:37,551 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:57:37,552 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:57:37,553 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:57:37,554 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:57:37,555 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:57:37,556 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:57:37,557 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:57:37,558 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:57:37,559 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:57:37,561 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:57:37,562 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:57:37,580 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 29 disjoint index pairs (out of 36 index pairs), introduced 8 new quantified variables, introduced 0 case distinctions, treesize of input 9896995 treesize of output 5376286 [2022-11-19 07:57:37,654 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:57:37,657 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:57:37,658 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:57:37,659 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:57:37,660 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:57:37,661 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:57:37,663 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:57:37,664 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:57:37,665 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:57:37,666 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:57:37,667 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:57:37,668 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:57:37,669 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:57:37,670 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:57:37,671 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:57:37,672 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:57:37,673 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:57:37,676 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 [2022-11-19 07:57:37,746 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 31 [2022-11-19 07:57:37,771 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:57:37,772 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:57:37,773 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:57:37,774 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:57:37,775 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:57:37,777 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:57:37,778 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:57:37,779 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:57:37,780 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:57:37,781 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:57:37,783 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:57:37,784 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:57:37,785 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:57:37,786 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:57:37,787 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:57:37,788 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:57:37,789 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:57:37,790 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:57:37,792 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:57:37,814 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 10 select indices, 10 select index equivalence classes, 36 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 0 case distinctions, treesize of input 8458592 treesize of output 4759837 [2022-11-19 07:57:37,847 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:57:37,848 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:57:37,849 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:57:37,854 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:57:37,856 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:57:37,858 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:57:37,860 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:57:37,861 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:57:37,862 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:57:37,863 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:57:37,864 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:57:37,866 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:57:37,868 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:57:37,869 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:57:37,870 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:57:37,872 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:57:37,873 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:57:37,874 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:57:37,875 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:57:37,879 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 10 select indices, 10 select index equivalence classes, 36 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 0 case distinctions, treesize of input 8458592 treesize of output 4759837 [2022-11-19 07:57:37,914 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 31 [2022-11-19 07:57:37,972 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 9 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 46 [2022-11-19 07:57:37,994 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:57:37,995 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:57:37,996 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:57:37,997 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:57:37,998 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:57:37,999 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:57:38,000 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:57:38,003 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:57:38,004 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:57:38,005 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:57:38,006 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:57:38,007 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:57:38,008 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:57:38,009 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:57:38,010 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:57:38,011 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:57:38,012 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:57:38,013 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:57:38,014 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:57:38,015 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:57:38,016 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:57:38,019 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 10 select indices, 10 select index equivalence classes, 36 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 0 case distinctions, treesize of input 8458592 treesize of output 4759837 [2022-11-19 07:57:38,065 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 10 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 46 [2022-11-19 07:57:38,081 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:57:38,083 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:57:38,084 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:57:38,152 INFO L321 Elim1Store]: treesize reduction 48, result has 48.9 percent of original size [2022-11-19 07:57:38,153 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 10 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 33 treesize of output 74 [2022-11-19 07:57:38,178 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:57:38,183 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:57:38,185 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:57:38,243 INFO L321 Elim1Store]: treesize reduction 90, result has 33.8 percent of original size [2022-11-19 07:57:38,244 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 6 select indices, 6 select index equivalence classes, 12 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 6 case distinctions, treesize of input 49 treesize of output 85 [2022-11-19 07:57:38,455 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2022-11-19 07:57:38,460 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 10 [2022-11-19 07:57:38,465 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 10 [2022-11-19 07:57:38,489 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 64 treesize of output 63 [2022-11-19 07:57:38,497 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 66 treesize of output 65 [2022-11-19 07:57:38,504 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 64 treesize of output 63 [2022-11-19 07:57:38,524 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 10 [2022-11-19 07:57:38,528 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2022-11-19 07:57:38,535 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 10 [2022-11-19 07:57:38,597 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 9 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 108 treesize of output 42 [2022-11-19 07:57:38,614 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 10 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 46 treesize of output 16 [2022-11-19 07:57:38,644 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:57:38,645 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:57:38,647 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:57:38,648 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:57:38,649 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:57:38,650 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:57:38,651 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:57:38,652 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:57:38,653 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:57:38,654 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:57:38,655 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:57:38,656 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:57:38,657 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:57:38,658 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:57:38,659 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:57:38,660 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:57:38,661 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:57:38,663 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 10 select indices, 10 select index equivalence classes, 30 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 0 case distinctions, treesize of input 8458573 treesize of output 4759755 [2022-11-19 07:57:38,852 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:57:38,853 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:57:38,854 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:57:38,856 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:57:38,857 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:57:38,858 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:57:38,859 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:57:38,860 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:57:38,864 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:57:38,865 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:57:38,866 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:57:38,867 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:57:38,868 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:57:38,869 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:57:38,870 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:57:38,871 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:57:38,872 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:57:38,874 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 10 select indices, 10 select index equivalence classes, 29 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 0 case distinctions, treesize of input 8458573 treesize of output 4759755 [2022-11-19 07:57:38,895 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 9 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 108 treesize of output 42 [2022-11-19 07:57:38,916 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 10 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 46 treesize of output 16 [2022-11-19 07:57:41,868 INFO L217 Elim1Store]: Index analysis took 2596 ms [2022-11-19 07:57:44,615 INFO L321 Elim1Store]: treesize reduction 142, result has 15.5 percent of original size [2022-11-19 07:57:44,616 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 [2022-11-19 07:57:45,912 INFO L217 Elim1Store]: Index analysis took 1147 ms [2022-11-19 07:57:50,239 INFO L321 Elim1Store]: treesize reduction 206, result has 11.2 percent of original size [2022-11-19 07:57:50,240 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 [2022-11-19 07:58:01,426 WARN L233 SmtUtils]: Spent 11.13s 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) [2022-11-19 07:58:01,426 INFO L321 Elim1Store]: treesize reduction 340, result has 16.0 percent of original size [2022-11-19 07:58:01,427 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 [2022-11-19 07:58:01,626 INFO L217 Elim1Store]: Index analysis took 110 ms [2022-11-19 07:58:19,770 WARN L233 SmtUtils]: Spent 18.14s on a formula simplification. DAG size of input: 90 DAG size of output: 45 (called from [L 318] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2022-11-19 07:58:19,770 INFO L321 Elim1Store]: treesize reduction 266, result has 31.6 percent of original size [2022-11-19 07:58:19,771 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 [2022-11-19 07:58:20,683 INFO L217 Elim1Store]: Index analysis took 699 ms [2022-11-19 07:58:44,359 WARN L233 SmtUtils]: Spent 23.20s 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) [2022-11-19 07:58:44,360 INFO L321 Elim1Store]: treesize reduction 2466, result has 32.0 percent of original size [2022-11-19 07:58:44,361 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 [2022-11-19 07:58:45,524 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 07:58:45,526 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 [2022-11-19 07:58:45,697 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:58:45,698 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 07:58:45,701 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 [2022-11-19 07:58:46,599 INFO L217 Elim1Store]: Index analysis took 724 ms [2022-11-19 07:58:47,463 INFO L321 Elim1Store]: treesize reduction 36, result has 33.3 percent of original size [2022-11-19 07:58:47,463 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 [2022-11-19 07:58:47,627 INFO L321 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2022-11-19 07:58:47,628 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 [2022-11-19 07:58:47,795 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:58:47,808 INFO L321 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2022-11-19 07:58:47,808 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 [2022-11-19 07:58:47,885 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 07:58:47,954 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 07:58:48,082 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 07:58:48,082 INFO L217 Elim1Store]: Index analysis took 128 ms [2022-11-19 07:58:48,084 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 [2022-11-19 07:58:48,517 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 07:58:48,668 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 07:58:48,669 INFO L217 Elim1Store]: Index analysis took 412 ms [2022-11-19 07:58:48,670 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 [2022-11-19 07:58:48,830 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 07:58:48,831 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 [2022-11-19 07:58:48,975 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:58:48,977 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 [2022-11-19 07:58:49,003 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-19 07:58:50,640 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:58:50,642 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 [2022-11-19 07:58:50,710 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-19 08:01:04,398 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-19 08:01:04,423 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-19 08:01:05,424 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-19 08:01:05,490 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-19 08:04:34,181 WARN L233 SmtUtils]: Spent 8.21s 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)