./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/uthash-2.0.2/uthash_SFH_test1-1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability 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_6511d6b1-6816-4849-9839-43fcac83bd95/bin/utaipan-I9t0OCRTmS/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6511d6b1-6816-4849-9839-43fcac83bd95/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_6511d6b1-6816-4849-9839-43fcac83bd95/bin/utaipan-I9t0OCRTmS/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6511d6b1-6816-4849-9839-43fcac83bd95/bin/utaipan-I9t0OCRTmS/config/TaipanReach.xml -i ../../sv-benchmarks/c/uthash-2.0.2/uthash_SFH_test1-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6511d6b1-6816-4849-9839-43fcac83bd95/bin/utaipan-I9t0OCRTmS/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6511d6b1-6816-4849-9839-43fcac83bd95/bin/utaipan-I9t0OCRTmS --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 470d7065e9fd450e98d72326ef313763cf0710ea45f0a443b018e8a49bdf7927 --- 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 07:14:55,523 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-19 07:14:55,525 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-19 07:14:55,568 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-19 07:14:55,570 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-19 07:14:55,574 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-19 07:14:55,575 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-19 07:14:55,579 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-19 07:14:55,582 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-19 07:14:55,585 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-19 07:14:55,586 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-19 07:14:55,589 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-19 07:14:55,590 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-19 07:14:55,595 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-19 07:14:55,596 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-19 07:14:55,601 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-19 07:14:55,603 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-19 07:14:55,604 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-19 07:14:55,606 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-19 07:14:55,607 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-19 07:14:55,613 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-19 07:14:55,614 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-19 07:14:55,616 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-19 07:14:55,617 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-19 07:14:55,622 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-19 07:14:55,629 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-19 07:14:55,630 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-19 07:14:55,631 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-19 07:14:55,632 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-19 07:14:55,633 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-19 07:14:55,634 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-19 07:14:55,635 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-19 07:14:55,636 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-19 07:14:55,637 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-19 07:14:55,639 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-19 07:14:55,641 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-19 07:14:55,642 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-19 07:14:55,642 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-19 07:14:55,643 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-19 07:14:55,644 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-19 07:14:55,644 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-19 07:14:55,645 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6511d6b1-6816-4849-9839-43fcac83bd95/bin/utaipan-I9t0OCRTmS/config/svcomp-Reach-32bit-Taipan_Default.epf [2022-11-19 07:14:55,687 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-19 07:14:55,687 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-19 07:14:55,688 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-19 07:14:55,688 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-19 07:14:55,689 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-19 07:14:55,689 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-19 07:14:55,690 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-19 07:14:55,690 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-19 07:14:55,690 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-19 07:14:55,690 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-19 07:14:55,692 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-19 07:14:55,692 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-19 07:14:55,692 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-19 07:14:55,692 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-19 07:14:55,693 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-19 07:14:55,693 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-19 07:14:55,693 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-19 07:14:55,693 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-19 07:14:55,694 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-19 07:14:55,694 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-19 07:14:55,695 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-19 07:14:55,695 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-19 07:14:55,695 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-19 07:14:55,695 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-19 07:14:55,696 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-19 07:14:55,696 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-19 07:14:55,696 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-19 07:14:55,696 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-19 07:14:55,696 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-19 07:14:55,697 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-19 07:14:55,697 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-19 07:14:55,697 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-19 07:14:55,698 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-19 07:14:55,698 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-19 07:14:55,698 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-19 07:14:55,698 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-19 07:14:55,699 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-19 07:14:55,699 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-19 07:14:55,699 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-19 07:14:55,700 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-19 07:14:55,700 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-19 07:14:55,700 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_6511d6b1-6816-4849-9839-43fcac83bd95/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6511d6b1-6816-4849-9839-43fcac83bd95/bin/utaipan-I9t0OCRTmS Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 470d7065e9fd450e98d72326ef313763cf0710ea45f0a443b018e8a49bdf7927 [2022-11-19 07:14:55,964 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-19 07:14:55,988 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-19 07:14:55,991 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-19 07:14:55,992 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-19 07:14:55,993 INFO L275 PluginConnector]: CDTParser initialized [2022-11-19 07:14:55,994 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6511d6b1-6816-4849-9839-43fcac83bd95/bin/utaipan-I9t0OCRTmS/../../sv-benchmarks/c/uthash-2.0.2/uthash_SFH_test1-1.i [2022-11-19 07:14:56,061 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6511d6b1-6816-4849-9839-43fcac83bd95/bin/utaipan-I9t0OCRTmS/data/a4eeebe7d/18cfb79dc5174430be0a26d74f098bd3/FLAGb3b683b52 [2022-11-19 07:14:56,642 INFO L306 CDTParser]: Found 1 translation units. [2022-11-19 07:14:56,643 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6511d6b1-6816-4849-9839-43fcac83bd95/sv-benchmarks/c/uthash-2.0.2/uthash_SFH_test1-1.i [2022-11-19 07:14:56,658 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6511d6b1-6816-4849-9839-43fcac83bd95/bin/utaipan-I9t0OCRTmS/data/a4eeebe7d/18cfb79dc5174430be0a26d74f098bd3/FLAGb3b683b52 [2022-11-19 07:14:56,894 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6511d6b1-6816-4849-9839-43fcac83bd95/bin/utaipan-I9t0OCRTmS/data/a4eeebe7d/18cfb79dc5174430be0a26d74f098bd3 [2022-11-19 07:14:56,896 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-19 07:14:56,898 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-19 07:14:56,899 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-19 07:14:56,899 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-19 07:14:56,903 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-19 07:14:56,904 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 07:14:56" (1/1) ... [2022-11-19 07:14:56,906 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1a702dfe and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:14:56, skipping insertion in model container [2022-11-19 07:14:56,906 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 07:14:56" (1/1) ... [2022-11-19 07:14:56,914 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-19 07:14:56,983 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-19 07:14:57,494 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_6511d6b1-6816-4849-9839-43fcac83bd95/sv-benchmarks/c/uthash-2.0.2/uthash_SFH_test1-1.i[33021,33034] [2022-11-19 07:14:57,628 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-19 07:14:57,637 INFO L203 MainTranslator]: Completed pre-run [2022-11-19 07:14:57,687 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_6511d6b1-6816-4849-9839-43fcac83bd95/sv-benchmarks/c/uthash-2.0.2/uthash_SFH_test1-1.i[33021,33034] [2022-11-19 07:14:57,729 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-19 07:14:57,756 INFO L208 MainTranslator]: Completed translation [2022-11-19 07:14:57,757 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:14:57 WrapperNode [2022-11-19 07:14:57,757 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-19 07:14:57,758 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-19 07:14:57,758 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-19 07:14:57,758 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-19 07:14:57,765 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:14:57" (1/1) ... [2022-11-19 07:14:57,785 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:14:57" (1/1) ... [2022-11-19 07:14:57,844 INFO L138 Inliner]: procedures = 177, calls = 186, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 617 [2022-11-19 07:14:57,850 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-19 07:14:57,851 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-19 07:14:57,852 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-19 07:14:57,852 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-19 07:14:57,862 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:14:57" (1/1) ... [2022-11-19 07:14:57,862 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:14:57" (1/1) ... [2022-11-19 07:14:57,883 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:14:57" (1/1) ... [2022-11-19 07:14:57,884 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:14:57" (1/1) ... [2022-11-19 07:14:57,922 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:14:57" (1/1) ... [2022-11-19 07:14:57,943 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:14:57" (1/1) ... [2022-11-19 07:14:57,945 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:14:57" (1/1) ... [2022-11-19 07:14:57,948 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:14:57" (1/1) ... [2022-11-19 07:14:57,953 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-19 07:14:57,954 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-19 07:14:57,954 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-19 07:14:57,954 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-19 07:14:57,955 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:14:57" (1/1) ... [2022-11-19 07:14:57,970 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-19 07:14:58,006 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6511d6b1-6816-4849-9839-43fcac83bd95/bin/utaipan-I9t0OCRTmS/z3 [2022-11-19 07:14:58,022 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6511d6b1-6816-4849-9839-43fcac83bd95/bin/utaipan-I9t0OCRTmS/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-19 07:14:58,050 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6511d6b1-6816-4849-9839-43fcac83bd95/bin/utaipan-I9t0OCRTmS/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-19 07:14:58,068 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-19 07:14:58,068 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2022-11-19 07:14:58,069 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2022-11-19 07:14:58,069 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-19 07:14:58,069 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-11-19 07:14:58,069 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-11-19 07:14:58,070 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-19 07:14:58,070 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-19 07:14:58,070 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-19 07:14:58,070 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-19 07:14:58,070 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-19 07:14:58,071 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-19 07:14:58,071 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-19 07:14:58,071 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-19 07:14:58,071 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-19 07:14:58,339 INFO L235 CfgBuilder]: Building ICFG [2022-11-19 07:14:58,341 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-19 07:14:59,443 INFO L276 CfgBuilder]: Performing block encoding [2022-11-19 07:14:59,704 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-19 07:14:59,704 INFO L300 CfgBuilder]: Removed 31 assume(true) statements. [2022-11-19 07:14:59,707 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:14:59 BoogieIcfgContainer [2022-11-19 07:14:59,707 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-19 07:14:59,711 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-19 07:14:59,711 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-19 07:14:59,715 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-19 07:14:59,716 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 07:14:56" (1/3) ... [2022-11-19 07:14:59,716 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6a96ddf3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 07:14:59, skipping insertion in model container [2022-11-19 07:14:59,717 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:14:57" (2/3) ... [2022-11-19 07:14:59,717 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6a96ddf3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 07:14:59, skipping insertion in model container [2022-11-19 07:14:59,717 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:14:59" (3/3) ... [2022-11-19 07:14:59,718 INFO L112 eAbstractionObserver]: Analyzing ICFG uthash_SFH_test1-1.i [2022-11-19 07:14:59,738 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-19 07:14:59,738 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-19 07:14:59,819 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-19 07:14:59,827 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;@3f19fdd8, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-19 07:14:59,827 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-19 07:14:59,832 INFO L276 IsEmpty]: Start isEmpty. Operand has 81 states, 64 states have (on average 1.78125) internal successors, (114), 75 states have internal predecessors, (114), 13 states have call successors, (13), 2 states have call predecessors, (13), 2 states have return successors, (13), 4 states have call predecessors, (13), 13 states have call successors, (13) [2022-11-19 07:14:59,839 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-11-19 07:14:59,840 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 07:14:59,840 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 07:14:59,841 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-19 07:14:59,848 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 07:14:59,849 INFO L85 PathProgramCache]: Analyzing trace with hash 2109568137, now seen corresponding path program 1 times [2022-11-19 07:14:59,861 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 07:14:59,862 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [338846865] [2022-11-19 07:14:59,862 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 07:14:59,863 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 07:14:59,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 07:15:00,121 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 07:15:00,121 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 07:15:00,122 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [338846865] [2022-11-19 07:15:00,122 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [338846865] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 07:15:00,122 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 07:15:00,123 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-19 07:15:00,126 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1266557642] [2022-11-19 07:15:00,127 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 07:15:00,132 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-19 07:15:00,134 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 07:15:00,166 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-19 07:15:00,168 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-19 07:15:00,171 INFO L87 Difference]: Start difference. First operand has 81 states, 64 states have (on average 1.78125) internal successors, (114), 75 states have internal predecessors, (114), 13 states have call successors, (13), 2 states have call predecessors, (13), 2 states have return successors, (13), 4 states have call predecessors, (13), 13 states have call successors, (13) Second operand has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 2 states have internal predecessors, (7), 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 07:15:02,005 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 07:15:02,006 INFO L93 Difference]: Finished difference Result 209 states and 376 transitions. [2022-11-19 07:15:02,013 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-19 07:15:02,014 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 2 states have internal predecessors, (7), 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 8 [2022-11-19 07:15:02,014 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 07:15:02,025 INFO L225 Difference]: With dead ends: 209 [2022-11-19 07:15:02,025 INFO L226 Difference]: Without dead ends: 128 [2022-11-19 07:15:02,029 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-19 07:15:02,032 INFO L413 NwaCegarLoop]: 109 mSDtfsCounter, 49 mSDsluCounter, 97 mSDsCounter, 0 mSdLazyCounter, 26 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 52 SdHoareTripleChecker+Valid, 206 SdHoareTripleChecker+Invalid, 26 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 26 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2022-11-19 07:15:02,033 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [52 Valid, 206 Invalid, 26 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 26 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2022-11-19 07:15:02,058 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 128 states. [2022-11-19 07:15:02,085 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 128 to 81. [2022-11-19 07:15:02,087 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 81 states, 65 states have (on average 1.2769230769230768) internal successors, (83), 75 states have internal predecessors, (83), 13 states have call successors, (13), 2 states have call predecessors, (13), 2 states have return successors, (13), 4 states have call predecessors, (13), 13 states have call successors, (13) [2022-11-19 07:15:02,089 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 81 states and 109 transitions. [2022-11-19 07:15:02,090 INFO L78 Accepts]: Start accepts. Automaton has 81 states and 109 transitions. Word has length 8 [2022-11-19 07:15:02,091 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 07:15:02,091 INFO L495 AbstractCegarLoop]: Abstraction has 81 states and 109 transitions. [2022-11-19 07:15:02,091 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 2 states have internal predecessors, (7), 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 07:15:02,092 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 109 transitions. [2022-11-19 07:15:02,094 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2022-11-19 07:15:02,094 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 07:15:02,094 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 07:15:02,094 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-19 07:15:02,095 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-19 07:15:02,095 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 07:15:02,096 INFO L85 PathProgramCache]: Analyzing trace with hash -843316591, now seen corresponding path program 1 times [2022-11-19 07:15:02,096 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 07:15:02,096 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [662678558] [2022-11-19 07:15:02,096 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 07:15:02,097 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 07:15:02,253 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-19 07:15:02,254 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [646076869] [2022-11-19 07:15:02,254 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 07:15:02,254 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-19 07:15:02,254 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6511d6b1-6816-4849-9839-43fcac83bd95/bin/utaipan-I9t0OCRTmS/z3 [2022-11-19 07:15:02,259 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6511d6b1-6816-4849-9839-43fcac83bd95/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-19 07:15:02,265 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6511d6b1-6816-4849-9839-43fcac83bd95/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-11-19 07:15:03,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 07:15:03,047 INFO L263 TraceCheckSpWp]: Trace formula consists of 1576 conjuncts, 3 conjunts are in the unsatisfiable core [2022-11-19 07:15:03,054 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-19 07:15:03,165 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-19 07:15:03,166 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-19 07:15:03,225 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-19 07:15:03,226 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 07:15:03,226 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [662678558] [2022-11-19 07:15:03,226 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-19 07:15:03,227 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [646076869] [2022-11-19 07:15:03,227 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [646076869] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-19 07:15:03,227 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1434811296] [2022-11-19 07:15:03,246 INFO L159 IcfgInterpreter]: Started Sifa with 31 locations of interest [2022-11-19 07:15:03,246 INFO L166 IcfgInterpreter]: Building call graph [2022-11-19 07:15:03,250 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-19 07:15:03,255 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-19 07:15:03,256 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-19 07:15:03,402 INFO L321 Elim1Store]: treesize reduction 20, result has 48.7 percent of original size [2022-11-19 07:15:03,403 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 17 treesize of output 30 [2022-11-19 07:15:03,450 INFO L321 Elim1Store]: treesize reduction 36, result has 34.5 percent of original size [2022-11-19 07:15:03,451 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 27 treesize of output 41 [2022-11-19 07:15:03,471 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:15:03,472 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 7 [2022-11-19 07:15:03,485 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:15:03,486 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 7 [2022-11-19 07:15:03,495 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:15:03,497 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 07:15:03,499 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 5 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 39 [2022-11-19 07:15:03,892 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:15:03,893 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:15:03,895 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:15:03,896 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:15:03,897 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:15:03,898 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:15:03,900 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:15:03,901 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:15:03,902 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:15:03,903 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:15:03,904 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:15:03,906 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:15:03,907 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:15:03,920 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 25 disjoint index pairs (out of 28 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 9896990 treesize of output 5376278 [2022-11-19 07:15:03,954 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:15:03,955 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:15:03,957 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:15:03,958 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:15:03,959 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:15:03,960 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:15:03,962 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:15:03,963 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:15:03,964 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:15:03,965 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:15:03,966 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:15:03,967 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:15:03,969 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:15:03,972 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 25 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 0 case distinctions, treesize of input 9075036 treesize of output 5376290 [2022-11-19 07:15:04,029 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 07:15:04,053 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 07:15:04,516 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 07:15:04,537 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:15:04,540 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:15:04,542 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:15:04,543 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:15:04,544 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:15:04,545 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:15:04,546 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:15:04,547 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:15:04,549 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:15:04,550 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:15:04,551 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:15:04,552 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:15:04,553 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:15:04,581 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 25 disjoint index pairs (out of 28 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 9896990 treesize of output 5376278 [2022-11-19 07:15:04,612 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:15:04,614 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:15:04,615 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:15:04,617 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:15:04,618 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:15:04,619 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:15:04,620 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:15:04,621 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:15:04,622 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:15:04,623 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:15:04,627 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:15:04,628 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:15:04,629 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:15:04,635 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 25 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 0 case distinctions, treesize of input 9896988 treesize of output 5376290 [2022-11-19 07:15:04,676 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 07:15:04,702 INFO L180 IcfgInterpreter]: Interpretation finished [2022-11-19 07:15:12,608 WARN L233 SmtUtils]: Spent 5.09s on a formula simplification. DAG size of input: 219 DAG size of output: 208 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-19 07:15:20,205 WARN L233 SmtUtils]: Spent 5.47s on a formula simplification. DAG size of input: 235 DAG size of output: 224 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-19 07:15:20,243 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSifa [1434811296] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 07:15:20,244 INFO L184 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2022-11-19 07:15:20,244 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [3, 3] total 11 [2022-11-19 07:15:20,249 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [285553563] [2022-11-19 07:15:20,250 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 07:15:20,251 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-11-19 07:15:20,251 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 07:15:20,252 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-11-19 07:15:20,252 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=61, Invalid=69, Unknown=2, NotChecked=0, Total=132 [2022-11-19 07:15:20,252 INFO L87 Difference]: Start difference. First operand 81 states and 109 transitions. Second operand has 8 states, 8 states have (on average 3.75) internal successors, (30), 7 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 07:15:22,736 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 07:15:22,736 INFO L93 Difference]: Finished difference Result 170 states and 228 transitions. [2022-11-19 07:15:22,740 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-11-19 07:15:22,741 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 3.75) internal successors, (30), 7 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 07:15:22,741 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 07:15:22,742 INFO L225 Difference]: With dead ends: 170 [2022-11-19 07:15:22,742 INFO L226 Difference]: Without dead ends: 91 [2022-11-19 07:15:22,743 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 91 GetRequests, 81 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 37 ImplicationChecksByTransitivity, 15.5s TimeCoverageRelationStatistics Valid=61, Invalid=69, Unknown=2, NotChecked=0, Total=132 [2022-11-19 07:15:22,744 INFO L413 NwaCegarLoop]: 94 mSDtfsCounter, 8 mSDsluCounter, 234 mSDsCounter, 0 mSdLazyCounter, 107 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8 SdHoareTripleChecker+Valid, 328 SdHoareTripleChecker+Invalid, 120 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 107 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 11 IncrementalHoareTripleChecker+Unchecked, 2.4s IncrementalHoareTripleChecker+Time [2022-11-19 07:15:22,744 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8 Valid, 328 Invalid, 120 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 107 Invalid, 0 Unknown, 11 Unchecked, 2.4s Time] [2022-11-19 07:15:22,745 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 91 states. [2022-11-19 07:15:22,760 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 91 to 91. [2022-11-19 07:15:22,760 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 91 states, 75 states have (on average 1.24) internal successors, (93), 85 states have internal predecessors, (93), 13 states have call successors, (13), 2 states have call predecessors, (13), 2 states have return successors, (13), 4 states have call predecessors, (13), 13 states have call successors, (13) [2022-11-19 07:15:22,762 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 91 states and 119 transitions. [2022-11-19 07:15:22,762 INFO L78 Accepts]: Start accepts. Automaton has 91 states and 119 transitions. Word has length 31 [2022-11-19 07:15:22,762 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 07:15:22,762 INFO L495 AbstractCegarLoop]: Abstraction has 91 states and 119 transitions. [2022-11-19 07:15:22,763 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 3.75) internal successors, (30), 7 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 07:15:22,763 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 119 transitions. [2022-11-19 07:15:22,764 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2022-11-19 07:15:22,764 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 07:15:22,764 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] [2022-11-19 07:15:22,774 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6511d6b1-6816-4849-9839-43fcac83bd95/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-11-19 07:15:22,973 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6511d6b1-6816-4849-9839-43fcac83bd95/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-19 07:15:22,973 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-19 07:15:22,974 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 07:15:22,974 INFO L85 PathProgramCache]: Analyzing trace with hash 2026915386, now seen corresponding path program 1 times [2022-11-19 07:15:22,974 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 07:15:22,974 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2010137642] [2022-11-19 07:15:22,974 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 07:15:22,974 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 07:15:23,056 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-19 07:15:23,056 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1524985461] [2022-11-19 07:15:23,057 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 07:15:23,057 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-19 07:15:23,057 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6511d6b1-6816-4849-9839-43fcac83bd95/bin/utaipan-I9t0OCRTmS/z3 [2022-11-19 07:15:23,058 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6511d6b1-6816-4849-9839-43fcac83bd95/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-19 07:15:23,087 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6511d6b1-6816-4849-9839-43fcac83bd95/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-11-19 07:15:23,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 07:15:23,605 INFO L263 TraceCheckSpWp]: Trace formula consists of 713 conjuncts, 3 conjunts are in the unsatisfiable core [2022-11-19 07:15:23,608 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-19 07:15:23,677 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-11-19 07:15:23,677 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-19 07:15:23,766 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-11-19 07:15:23,766 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 07:15:23,766 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2010137642] [2022-11-19 07:15:23,779 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-19 07:15:23,779 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1524985461] [2022-11-19 07:15:23,779 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1524985461] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-19 07:15:23,779 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1778823939] [2022-11-19 07:15:23,782 INFO L159 IcfgInterpreter]: Started Sifa with 41 locations of interest [2022-11-19 07:15:23,782 INFO L166 IcfgInterpreter]: Building call graph [2022-11-19 07:15:23,783 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-19 07:15:23,783 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-19 07:15:23,783 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-19 07:15:23,851 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:15:23,852 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 7 [2022-11-19 07:15:23,861 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:15:23,862 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 07:15:23,864 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:15:23,877 INFO L321 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2022-11-19 07:15:23,878 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 33 treesize of output 43 [2022-11-19 07:15:23,919 INFO L321 Elim1Store]: treesize reduction 36, result has 34.5 percent of original size [2022-11-19 07:15:23,919 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 27 treesize of output 41 [2022-11-19 07:15:23,947 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:15:23,948 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 7 [2022-11-19 07:15:23,958 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 07:15:24,310 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 07:15:24,330 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 07:15:24,350 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:15:24,351 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:15:24,353 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:15:24,354 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:15:24,355 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:15:24,357 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:15:24,358 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:15:24,359 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:15:24,360 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:15:24,361 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:15:24,363 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:15:24,364 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:15:24,365 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:15:24,381 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 25 disjoint index pairs (out of 28 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 9896990 treesize of output 5376278 [2022-11-19 07:15:24,410 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:15:24,412 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:15:24,413 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:15:24,414 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:15:24,415 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:15:24,416 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:15:24,417 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:15:24,418 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:15:24,419 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:15:24,420 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:15:24,421 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:15:24,423 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:15:24,424 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:15:24,427 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 25 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 0 case distinctions, treesize of input 9075036 treesize of output 5376290 [2022-11-19 07:15:24,488 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:15:24,490 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:15:24,491 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:15:24,492 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:15:24,493 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:15:24,498 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:15:24,499 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:15:24,500 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:15:24,501 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:15:24,502 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:15:24,504 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:15:24,505 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:15:24,506 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:15:24,507 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:15:24,508 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:15:24,509 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:15:24,510 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:15:24,525 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 32 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 9075051 treesize of output 5376293 [2022-11-19 07:15:24,572 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:15:24,574 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:15:24,575 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:15:24,576 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:15:24,577 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:15:24,579 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:15:24,580 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:15:24,581 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:15:24,583 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:15:24,584 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:15:24,585 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:15:24,586 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:15:24,587 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:15:24,588 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:15:24,589 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:15:24,590 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:15:24,591 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:15:24,596 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 32 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 9075051 treesize of output 5376293 [2022-11-19 07:15:24,624 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 07:15:24,639 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 07:15:24,691 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:15:24,692 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:15:24,693 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:15:24,695 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:15:24,696 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:15:24,697 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:15:24,698 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:15:24,699 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:15:24,700 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:15:24,701 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:15:24,704 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:15:24,706 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:15:24,708 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:15:24,709 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:15:24,710 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:15:24,711 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:15:24,712 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:15:24,715 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 32 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 9075051 treesize of output 5376293 [2022-11-19 07:15:24,748 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 07:15:24,773 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 07:15:24,836 INFO L321 Elim1Store]: treesize reduction 48, result has 48.9 percent of original size [2022-11-19 07:15:24,837 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 5 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 28 treesize of output 66 [2022-11-19 07:15:24,915 INFO L321 Elim1Store]: treesize reduction 90, result has 33.8 percent of original size [2022-11-19 07:15:24,915 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 7 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 6 case distinctions, treesize of input 44 treesize of output 77 [2022-11-19 07:15:25,871 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:15:25,873 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:15:25,874 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:15:25,875 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:15:25,876 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:15:25,878 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:15:25,883 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:15:25,884 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:15:25,885 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:15:25,886 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:15:25,888 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:15:25,889 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:15:25,890 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:15:25,906 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 25 disjoint index pairs (out of 28 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 9896990 treesize of output 5376278 [2022-11-19 07:15:25,933 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:15:25,940 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:15:25,942 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:15:25,943 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:15:25,944 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:15:25,945 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:15:25,946 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:15:25,948 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:15:25,949 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:15:25,950 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:15:25,951 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:15:25,952 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:15:25,953 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:15:25,956 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 25 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 0 case distinctions, treesize of input 9075036 treesize of output 5376290 [2022-11-19 07:15:26,008 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 07:15:26,025 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 07:15:26,062 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 07:15:26,080 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:15:26,081 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:15:26,083 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:15:26,084 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:15:26,085 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:15:26,086 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:15:26,087 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:15:26,088 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:15:26,089 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:15:26,090 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:15:26,092 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:15:26,094 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:15:26,095 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:15:26,097 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:15:26,098 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:15:26,099 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:15:26,100 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:15:26,118 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 32 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 9075051 treesize of output 5376293 [2022-11-19 07:15:26,147 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:15:26,148 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:15:26,149 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:15:26,150 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:15:26,151 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:15:26,153 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:15:26,154 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:15:26,155 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:15:26,156 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:15:26,157 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:15:26,158 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:15:26,159 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:15:26,160 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:15:26,161 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:15:26,162 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:15:26,163 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:15:26,164 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:15:26,167 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 32 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 9075051 treesize of output 5376293 [2022-11-19 07:15:26,200 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 07:15:26,253 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 07:15:26,270 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:15:26,271 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:15:26,273 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:15:26,274 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:15:26,275 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:15:26,276 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:15:26,277 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:15:26,278 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:15:26,279 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:15:26,280 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:15:26,281 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:15:26,282 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:15:26,283 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:15:26,284 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:15:26,285 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:15:26,286 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:15:26,287 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:15:26,290 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 32 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 9075051 treesize of output 5376293 [2022-11-19 07:15:26,329 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 07:15:26,395 INFO L321 Elim1Store]: treesize reduction 48, result has 48.9 percent of original size [2022-11-19 07:15:26,395 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 5 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 28 treesize of output 66 [2022-11-19 07:15:26,474 INFO L321 Elim1Store]: treesize reduction 90, result has 33.8 percent of original size [2022-11-19 07:15:26,474 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 7 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 6 case distinctions, treesize of input 44 treesize of output 77 [2022-11-19 07:15:26,577 INFO L197 IcfgInterpreter]: Interpreting procedure #Ultimate.C_memset with input of size 241 for LOIs [2022-11-19 07:15:26,678 INFO L180 IcfgInterpreter]: Interpretation finished [2022-11-19 07:15:32,563 WARN L233 SmtUtils]: Spent 5.08s on a formula simplification. DAG size of input: 219 DAG size of output: 208 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-19 07:15:39,852 WARN L233 SmtUtils]: Spent 5.16s on a formula simplification. DAG size of input: 235 DAG size of output: 224 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-19 07:15:49,646 WARN L233 SmtUtils]: Spent 5.66s on a formula simplification. DAG size of input: 246 DAG size of output: 236 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-19 07:16:02,414 WARN L233 SmtUtils]: Spent 6.62s on a formula simplification. DAG size of input: 268 DAG size of output: 250 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-19 07:16:14,814 WARN L233 SmtUtils]: Spent 6.23s on a formula simplification. DAG size of input: 268 DAG size of output: 250 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-19 07:16:15,563 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSifa [1778823939] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 07:16:15,563 INFO L184 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2022-11-19 07:16:15,564 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [4, 4] total 17 [2022-11-19 07:16:15,564 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2032492521] [2022-11-19 07:16:15,564 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 07:16:15,565 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-11-19 07:16:15,565 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 07:16:15,565 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-11-19 07:16:15,566 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=91, Invalid=172, Unknown=9, NotChecked=0, Total=272 [2022-11-19 07:16:15,566 INFO L87 Difference]: Start difference. First operand 91 states and 119 transitions. Second operand has 13 states, 12 states have (on average 3.0833333333333335) internal successors, (37), 11 states have internal predecessors, (37), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) [2022-11-19 07:16:18,437 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 07:16:18,438 INFO L93 Difference]: Finished difference Result 175 states and 234 transitions. [2022-11-19 07:16:18,445 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-11-19 07:16:18,445 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 3.0833333333333335) internal successors, (37), 11 states have internal predecessors, (37), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) Word has length 44 [2022-11-19 07:16:18,445 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 07:16:18,446 INFO L225 Difference]: With dead ends: 175 [2022-11-19 07:16:18,447 INFO L226 Difference]: Without dead ends: 96 [2022-11-19 07:16:18,448 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 130 GetRequests, 113 SyntacticMatches, 2 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 86 ImplicationChecksByTransitivity, 48.9s TimeCoverageRelationStatistics Valid=91, Invalid=172, Unknown=9, NotChecked=0, Total=272 [2022-11-19 07:16:18,449 INFO L413 NwaCegarLoop]: 92 mSDtfsCounter, 15 mSDsluCounter, 280 mSDsCounter, 0 mSdLazyCounter, 71 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 15 SdHoareTripleChecker+Valid, 372 SdHoareTripleChecker+Invalid, 206 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 71 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 134 IncrementalHoareTripleChecker+Unchecked, 2.8s IncrementalHoareTripleChecker+Time [2022-11-19 07:16:18,449 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [15 Valid, 372 Invalid, 206 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 71 Invalid, 0 Unknown, 134 Unchecked, 2.8s Time] [2022-11-19 07:16:18,450 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 96 states. [2022-11-19 07:16:18,476 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 96 to 96. [2022-11-19 07:16:18,477 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 96 states, 79 states have (on average 1.2278481012658229) internal successors, (97), 89 states have internal predecessors, (97), 14 states have call successors, (14), 3 states have call predecessors, (14), 2 states have return successors, (14), 4 states have call predecessors, (14), 14 states have call successors, (14) [2022-11-19 07:16:18,478 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 96 states and 125 transitions. [2022-11-19 07:16:18,478 INFO L78 Accepts]: Start accepts. Automaton has 96 states and 125 transitions. Word has length 44 [2022-11-19 07:16:18,479 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 07:16:18,479 INFO L495 AbstractCegarLoop]: Abstraction has 96 states and 125 transitions. [2022-11-19 07:16:18,479 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 3.0833333333333335) internal successors, (37), 11 states have internal predecessors, (37), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) [2022-11-19 07:16:18,479 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 125 transitions. [2022-11-19 07:16:18,480 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2022-11-19 07:16:18,481 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 07:16:18,481 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] [2022-11-19 07:16:18,491 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6511d6b1-6816-4849-9839-43fcac83bd95/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-11-19 07:16:18,689 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6511d6b1-6816-4849-9839-43fcac83bd95/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-19 07:16:18,689 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-19 07:16:18,690 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 07:16:18,690 INFO L85 PathProgramCache]: Analyzing trace with hash -2018622722, now seen corresponding path program 1 times [2022-11-19 07:16:18,690 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 07:16:18,690 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [974575629] [2022-11-19 07:16:18,690 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 07:16:18,690 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 07:16:18,747 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-19 07:16:18,747 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [125343361] [2022-11-19 07:16:18,747 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 07:16:18,748 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-19 07:16:18,749 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6511d6b1-6816-4849-9839-43fcac83bd95/bin/utaipan-I9t0OCRTmS/z3 [2022-11-19 07:16:18,750 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6511d6b1-6816-4849-9839-43fcac83bd95/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-19 07:16:18,756 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6511d6b1-6816-4849-9839-43fcac83bd95/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-11-19 07:16:19,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 07:16:19,250 INFO L263 TraceCheckSpWp]: Trace formula consists of 728 conjuncts, 3 conjunts are in the unsatisfiable core [2022-11-19 07:16:19,253 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-19 07:16:19,336 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2022-11-19 07:16:19,336 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-19 07:16:19,424 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2022-11-19 07:16:19,425 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 07:16:19,425 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [974575629] [2022-11-19 07:16:19,425 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-19 07:16:19,425 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [125343361] [2022-11-19 07:16:19,425 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [125343361] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-19 07:16:19,425 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1959664221] [2022-11-19 07:16:19,428 INFO L159 IcfgInterpreter]: Started Sifa with 41 locations of interest [2022-11-19 07:16:19,428 INFO L166 IcfgInterpreter]: Building call graph [2022-11-19 07:16:19,429 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-19 07:16:19,429 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-19 07:16:19,429 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-19 07:16:19,497 INFO L321 Elim1Store]: treesize reduction 36, result has 34.5 percent of original size [2022-11-19 07:16:19,498 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 27 treesize of output 41 [2022-11-19 07:16:19,508 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 07:16:19,528 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:16:19,529 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 7 [2022-11-19 07:16:19,540 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:16:19,541 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 7 [2022-11-19 07:16:19,550 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:16:19,551 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 07:16:19,552 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 5 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 39 [2022-11-19 07:16:19,814 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:16:19,815 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:16:19,817 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:16:19,818 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:16:19,819 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:16:19,821 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:16:19,822 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:16:19,823 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:16:19,825 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:16:19,826 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:16:19,827 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:16:19,829 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:16:19,830 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:16:19,850 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 25 disjoint index pairs (out of 28 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 9896990 treesize of output 5376278 [2022-11-19 07:16:19,878 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:16:19,879 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:16:19,881 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:16:19,882 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:16:19,883 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:16:19,885 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:16:19,886 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:16:19,887 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:16:19,889 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:16:19,890 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:16:19,891 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:16:19,893 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:16:19,894 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:16:19,897 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 25 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 0 case distinctions, treesize of input 9896988 treesize of output 5376290 [2022-11-19 07:16:19,932 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 07:16:19,954 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 07:16:19,984 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 07:16:20,002 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:16:20,004 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:16:20,005 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:16:20,007 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:16:20,008 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:16:20,010 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:16:20,011 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:16:20,013 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:16:20,014 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:16:20,015 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:16:20,017 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:16:20,018 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:16:20,019 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:16:20,021 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:16:20,022 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:16:20,024 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:16:20,025 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:16:20,070 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 32 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 9075051 treesize of output 5376293 [2022-11-19 07:16:20,097 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:16:20,098 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:16:20,100 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:16:20,101 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:16:20,102 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:16:20,103 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:16:20,104 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:16:20,106 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:16:20,107 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:16:20,108 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:16:20,110 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:16:20,111 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:16:20,112 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:16:20,114 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:16:20,115 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:16:20,116 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:16:20,117 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:16:20,119 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 32 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 9075051 treesize of output 5376293 [2022-11-19 07:16:20,146 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 07:16:20,189 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 07:16:20,213 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 07:16:20,294 INFO L321 Elim1Store]: treesize reduction 90, result has 33.8 percent of original size [2022-11-19 07:16:20,295 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 7 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 6 case distinctions, treesize of input 44 treesize of output 77 [2022-11-19 07:16:20,310 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 28 treesize of output 36 [2022-11-19 07:16:20,335 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:16:20,336 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:16:20,338 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:16:20,339 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:16:20,341 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:16:20,342 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:16:20,344 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:16:20,345 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:16:20,347 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:16:20,348 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:16:20,350 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:16:20,351 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:16:20,353 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:16:20,354 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:16:20,356 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:16:20,357 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:16:20,359 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:16:20,361 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 32 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 9075051 treesize of output 5376293 [2022-11-19 07:16:20,527 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 07:16:20,535 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 16 treesize of output 12 [2022-11-19 07:16:20,543 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 07:16:20,564 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 07:16:20,573 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 07:16:20,581 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 07:16:20,603 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 07:16:20,609 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 07:16:20,616 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 07:16:20,684 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:16:20,685 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:16:20,686 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:16:20,688 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:16:20,689 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:16:20,690 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:16:20,691 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:16:20,692 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:16:20,694 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:16:20,695 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:16:20,696 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:16:20,697 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:16:20,699 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:16:20,701 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 9 select indices, 9 select index equivalence classes, 25 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 9075032 treesize of output 5376218 [2022-11-19 07:16:20,725 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 07:16:20,743 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 07:16:20,921 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:16:20,923 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:16:20,924 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:16:20,925 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:16:20,926 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:16:20,928 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:16:20,929 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:16:20,930 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:16:20,931 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:16:20,932 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:16:20,934 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:16:20,935 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:16:20,936 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:16:20,940 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 9 select indices, 9 select index equivalence classes, 25 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 9075032 treesize of output 5376218 [2022-11-19 07:16:20,962 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 07:16:20,979 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 07:16:22,218 INFO L217 Elim1Store]: Index analysis took 980 ms [2022-11-19 07:16:26,434 INFO L321 Elim1Store]: treesize reduction 96, result has 17.9 percent of original size [2022-11-19 07:16:26,435 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 2 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 9 case distinctions, treesize of input 10752658 treesize of output 10752661 [2022-11-19 07:16:27,276 INFO L217 Elim1Store]: Index analysis took 574 ms [2022-11-19 07:16:31,680 INFO L321 Elim1Store]: treesize reduction 144, result has 12.7 percent of original size [2022-11-19 07:16:31,681 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 6 select indices, 6 select index equivalence classes, 4 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 15 case distinctions, treesize of input 10752663 treesize of output 10752665 [2022-11-19 07:16:44,640 WARN L233 SmtUtils]: Spent 12.70s 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 07:16:44,640 INFO L321 Elim1Store]: treesize reduction 340, result has 16.0 percent of original size [2022-11-19 07:16:44,641 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 5 new quantified variables, introduced 4 case distinctions, treesize of input 1986 treesize of output 1481 [2022-11-19 07:16:44,833 INFO L217 Elim1Store]: Index analysis took 114 ms [2022-11-19 07:17:04,638 WARN L233 SmtUtils]: Spent 19.80s 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 07:17:04,639 INFO L321 Elim1Store]: treesize reduction 266, result has 31.6 percent of original size [2022-11-19 07:17:04,639 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 4 stores, 1 select indices, 1 select index equivalence classes, 4 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 07:17:05,621 INFO L217 Elim1Store]: Index analysis took 755 ms [2022-11-19 07:17:24,839 WARN L233 SmtUtils]: Spent 18.78s on a formula simplification. DAG size of input: 252 DAG size of output: 150 (called from [L 318] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2022-11-19 07:17:24,840 INFO L321 Elim1Store]: treesize reduction 2438, result has 32.1 percent of original size [2022-11-19 07:17:24,841 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 4 stores, 0 select indices, 0 select index equivalence classes, 7 disjoint index pairs (out of 0 index pairs), introduced 4 new quantified variables, introduced 16 case distinctions, treesize of input 1542 treesize of output 2093 [2022-11-19 07:17:25,625 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-19 07:17:25,734 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 07:17:25,938 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 07:17:26,067 INFO L217 Elim1Store]: Index analysis took 333 ms [2022-11-19 07:17:26,069 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 3 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 80 treesize of output 99 [2022-11-19 07:17:26,318 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:17:26,320 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 40 treesize of output 30 [2022-11-19 07:17:27,345 INFO L217 Elim1Store]: Index analysis took 586 ms [2022-11-19 07:17:27,725 INFO L321 Elim1Store]: treesize reduction 13, result has 38.1 percent of original size [2022-11-19 07:17:27,725 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 3 case distinctions, treesize of input 93 treesize of output 75 [2022-11-19 07:17:27,819 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-11-19 07:17:28,575 INFO L217 Elim1Store]: Index analysis took 653 ms [2022-11-19 07:17:29,876 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-19 07:17:29,877 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 2 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 72 treesize of output 98 [2022-11-19 07:17:34,580 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 26 treesize of output 13 [2022-11-19 07:17:35,704 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:17:35,705 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 07:17:35,706 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 30 treesize of output 20 [2022-11-19 07:17:35,786 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:17:35,802 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:17:35,803 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 20 [2022-11-19 07:17:37,004 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:17:37,033 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:17:37,045 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:17:37,047 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 20 [2022-11-19 07:17:37,138 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:17:37,140 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 30 treesize of output 20 [2022-11-19 07:17:38,093 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-19 07:17:38,555 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 07:17:38,575 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-19 07:17:38,600 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 07:17:38,629 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-19 07:17:39,100 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 07:17:39,129 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-19 07:17:39,407 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 07:17:39,427 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-19 07:17:39,854 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:17:39,855 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 21 treesize of output 15 [2022-11-19 07:17:40,028 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:17:40,073 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:17:40,075 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 20 [2022-11-19 07:17:41,170 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 3 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 103 treesize of output 119 [2022-11-19 07:17:41,349 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 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 18 treesize of output 1 [2022-11-19 07:17:41,409 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 21 treesize of output 15 [2022-11-19 07:17:41,509 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:17:41,511 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 21 treesize of output 15