./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/uthash-2.0.2/uthash_JEN_test9-1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 2329fc70 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_d974f0e3-f739-42a1-bda2-5e267e7d8422/bin/utaipan-gh47qXpMRh/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d974f0e3-f739-42a1-bda2-5e267e7d8422/bin/utaipan-gh47qXpMRh/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d974f0e3-f739-42a1-bda2-5e267e7d8422/bin/utaipan-gh47qXpMRh/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d974f0e3-f739-42a1-bda2-5e267e7d8422/bin/utaipan-gh47qXpMRh/config/TaipanReach.xml -i ../../sv-benchmarks/c/uthash-2.0.2/uthash_JEN_test9-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d974f0e3-f739-42a1-bda2-5e267e7d8422/bin/utaipan-gh47qXpMRh/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d974f0e3-f739-42a1-bda2-5e267e7d8422/bin/utaipan-gh47qXpMRh --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 8bb47039b70660cfe333b6887d0f99d94255697a030b075b004d2298d7cf4777 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-2329fc7 [2022-12-14 10:31:50,605 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-14 10:31:50,607 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-14 10:31:50,621 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-14 10:31:50,621 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-14 10:31:50,622 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-14 10:31:50,623 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-14 10:31:50,624 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-14 10:31:50,625 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-14 10:31:50,626 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-14 10:31:50,626 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-14 10:31:50,627 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-14 10:31:50,627 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-14 10:31:50,628 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-14 10:31:50,629 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-14 10:31:50,630 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-14 10:31:50,630 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-14 10:31:50,631 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-14 10:31:50,632 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-14 10:31:50,633 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-14 10:31:50,634 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-14 10:31:50,635 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-14 10:31:50,636 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-14 10:31:50,637 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-14 10:31:50,639 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-14 10:31:50,639 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-14 10:31:50,640 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-14 10:31:50,640 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-14 10:31:50,641 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-14 10:31:50,641 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-14 10:31:50,641 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-14 10:31:50,642 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-14 10:31:50,643 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-14 10:31:50,643 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-14 10:31:50,644 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-14 10:31:50,644 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-14 10:31:50,645 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-14 10:31:50,645 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-14 10:31:50,645 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-14 10:31:50,646 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-14 10:31:50,646 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-14 10:31:50,647 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d974f0e3-f739-42a1-bda2-5e267e7d8422/bin/utaipan-gh47qXpMRh/config/svcomp-Reach-32bit-Taipan_Default.epf [2022-12-14 10:31:50,662 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-14 10:31:50,662 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-14 10:31:50,663 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-14 10:31:50,663 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-14 10:31:50,663 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-14 10:31:50,663 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-14 10:31:50,664 INFO L138 SettingsManager]: * User list type=DISABLED [2022-12-14 10:31:50,664 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-12-14 10:31:50,664 INFO L138 SettingsManager]: * Explicit value domain=true [2022-12-14 10:31:50,664 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-12-14 10:31:50,664 INFO L138 SettingsManager]: * Octagon Domain=false [2022-12-14 10:31:50,664 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-12-14 10:31:50,664 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-12-14 10:31:50,664 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-12-14 10:31:50,665 INFO L138 SettingsManager]: * Interval Domain=false [2022-12-14 10:31:50,665 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-12-14 10:31:50,665 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-12-14 10:31:50,665 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-12-14 10:31:50,665 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-14 10:31:50,665 INFO L138 SettingsManager]: * sizeof long=4 [2022-12-14 10:31:50,666 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-14 10:31:50,666 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-12-14 10:31:50,666 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-14 10:31:50,666 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-14 10:31:50,666 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-14 10:31:50,666 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-14 10:31:50,666 INFO L138 SettingsManager]: * sizeof long double=12 [2022-12-14 10:31:50,666 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-14 10:31:50,667 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-14 10:31:50,667 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-14 10:31:50,667 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-14 10:31:50,667 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-14 10:31:50,667 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-14 10:31:50,667 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-14 10:31:50,667 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-12-14 10:31:50,667 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-14 10:31:50,668 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-14 10:31:50,668 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-12-14 10:31:50,668 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-14 10:31:50,668 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-14 10:31:50,668 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-12-14 10:31:50,668 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_d974f0e3-f739-42a1-bda2-5e267e7d8422/bin/utaipan-gh47qXpMRh/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d974f0e3-f739-42a1-bda2-5e267e7d8422/bin/utaipan-gh47qXpMRh Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 8bb47039b70660cfe333b6887d0f99d94255697a030b075b004d2298d7cf4777 [2022-12-14 10:31:50,851 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-14 10:31:50,869 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-14 10:31:50,870 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-14 10:31:50,871 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-14 10:31:50,872 INFO L275 PluginConnector]: CDTParser initialized [2022-12-14 10:31:50,872 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d974f0e3-f739-42a1-bda2-5e267e7d8422/bin/utaipan-gh47qXpMRh/../../sv-benchmarks/c/uthash-2.0.2/uthash_JEN_test9-1.i [2022-12-14 10:31:53,479 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-14 10:31:53,752 INFO L351 CDTParser]: Found 1 translation units. [2022-12-14 10:31:53,753 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d974f0e3-f739-42a1-bda2-5e267e7d8422/sv-benchmarks/c/uthash-2.0.2/uthash_JEN_test9-1.i [2022-12-14 10:31:53,768 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d974f0e3-f739-42a1-bda2-5e267e7d8422/bin/utaipan-gh47qXpMRh/data/73e8acee9/f981918a7b054b33a634e7ff800a6b70/FLAGee928e873 [2022-12-14 10:31:53,779 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d974f0e3-f739-42a1-bda2-5e267e7d8422/bin/utaipan-gh47qXpMRh/data/73e8acee9/f981918a7b054b33a634e7ff800a6b70 [2022-12-14 10:31:53,781 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-14 10:31:53,783 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-14 10:31:53,784 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-14 10:31:53,784 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-14 10:31:53,787 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-14 10:31:53,787 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 10:31:53" (1/1) ... [2022-12-14 10:31:53,788 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@24b927c0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 10:31:53, skipping insertion in model container [2022-12-14 10:31:53,788 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 10:31:53" (1/1) ... [2022-12-14 10:31:53,793 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-14 10:31:53,844 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-14 10:31:54,198 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d974f0e3-f739-42a1-bda2-5e267e7d8422/sv-benchmarks/c/uthash-2.0.2/uthash_JEN_test9-1.i[33021,33034] [2022-12-14 10:31:54,374 WARN L623 FunctionHandler]: Unknown extern function memcmp [2022-12-14 10:31:54,375 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d974f0e3-f739-42a1-bda2-5e267e7d8422/sv-benchmarks/c/uthash-2.0.2/uthash_JEN_test9-1.i[84583,84596] [2022-12-14 10:31:54,378 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 10:31:54,386 INFO L203 MainTranslator]: Completed pre-run [2022-12-14 10:31:54,406 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d974f0e3-f739-42a1-bda2-5e267e7d8422/sv-benchmarks/c/uthash-2.0.2/uthash_JEN_test9-1.i[33021,33034] [2022-12-14 10:31:54,489 WARN L623 FunctionHandler]: Unknown extern function memcmp [2022-12-14 10:31:54,491 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d974f0e3-f739-42a1-bda2-5e267e7d8422/sv-benchmarks/c/uthash-2.0.2/uthash_JEN_test9-1.i[84583,84596] [2022-12-14 10:31:54,493 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 10:31:54,515 INFO L208 MainTranslator]: Completed translation [2022-12-14 10:31:54,515 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 10:31:54 WrapperNode [2022-12-14 10:31:54,515 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-14 10:31:54,516 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-14 10:31:54,516 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-14 10:31:54,516 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-14 10:31:54,522 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 10:31:54" (1/1) ... [2022-12-14 10:31:54,549 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 10:31:54" (1/1) ... [2022-12-14 10:31:54,606 INFO L138 Inliner]: procedures = 177, calls = 730, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 2860 [2022-12-14 10:31:54,607 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-14 10:31:54,607 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-14 10:31:54,607 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-14 10:31:54,607 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-14 10:31:54,615 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 10:31:54" (1/1) ... [2022-12-14 10:31:54,615 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 10:31:54" (1/1) ... [2022-12-14 10:31:54,623 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 10:31:54" (1/1) ... [2022-12-14 10:31:54,623 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 10:31:54" (1/1) ... [2022-12-14 10:31:54,654 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 10:31:54" (1/1) ... [2022-12-14 10:31:54,668 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 10:31:54" (1/1) ... [2022-12-14 10:31:54,672 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 10:31:54" (1/1) ... [2022-12-14 10:31:54,677 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 10:31:54" (1/1) ... [2022-12-14 10:31:54,684 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-14 10:31:54,685 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-14 10:31:54,685 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-14 10:31:54,685 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-14 10:31:54,686 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 10:31:54" (1/1) ... [2022-12-14 10:31:54,690 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-14 10:31:54,697 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d974f0e3-f739-42a1-bda2-5e267e7d8422/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 10:31:54,706 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d974f0e3-f739-42a1-bda2-5e267e7d8422/bin/utaipan-gh47qXpMRh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-12-14 10:31:54,708 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d974f0e3-f739-42a1-bda2-5e267e7d8422/bin/utaipan-gh47qXpMRh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-12-14 10:31:54,739 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-12-14 10:31:54,740 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2022-12-14 10:31:54,740 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2022-12-14 10:31:54,740 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-12-14 10:31:54,740 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-12-14 10:31:54,740 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-12-14 10:31:54,740 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-12-14 10:31:54,740 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-14 10:31:54,740 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-12-14 10:31:54,740 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-12-14 10:31:54,740 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2022-12-14 10:31:54,741 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-12-14 10:31:54,741 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-14 10:31:54,741 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-14 10:31:54,741 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-14 10:31:54,741 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-14 10:31:54,884 INFO L235 CfgBuilder]: Building ICFG [2022-12-14 10:31:54,885 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-14 10:31:56,579 INFO L276 CfgBuilder]: Performing block encoding [2022-12-14 10:31:56,892 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-14 10:31:56,892 INFO L300 CfgBuilder]: Removed 54 assume(true) statements. [2022-12-14 10:31:56,896 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 10:31:56 BoogieIcfgContainer [2022-12-14 10:31:56,897 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-14 10:31:56,899 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-14 10:31:56,899 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-14 10:31:56,902 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-14 10:31:56,903 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.12 10:31:53" (1/3) ... [2022-12-14 10:31:56,903 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@79de6b7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.12 10:31:56, skipping insertion in model container [2022-12-14 10:31:56,903 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 10:31:54" (2/3) ... [2022-12-14 10:31:56,904 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@79de6b7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.12 10:31:56, skipping insertion in model container [2022-12-14 10:31:56,904 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 10:31:56" (3/3) ... [2022-12-14 10:31:56,906 INFO L112 eAbstractionObserver]: Analyzing ICFG uthash_JEN_test9-1.i [2022-12-14 10:31:56,924 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-14 10:31:56,924 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2022-12-14 10:31:56,998 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-12-14 10:31:57,004 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;@564ef9d6, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-12-14 10:31:57,004 INFO L358 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2022-12-14 10:31:57,012 INFO L276 IsEmpty]: Start isEmpty. Operand has 1099 states, 591 states have (on average 1.9678510998307952) internal successors, (1163), 1093 states have internal predecessors, (1163), 503 states have call successors, (503), 2 states have call predecessors, (503), 2 states have return successors, (503), 4 states have call predecessors, (503), 503 states have call successors, (503) [2022-12-14 10:31:57,018 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-12-14 10:31:57,018 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 10:31:57,018 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 10:31:57,019 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 10:31:57,024 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 10:31:57,024 INFO L85 PathProgramCache]: Analyzing trace with hash -506218797, now seen corresponding path program 1 times [2022-12-14 10:31:57,033 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 10:31:57,033 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [757511309] [2022-12-14 10:31:57,033 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 10:31:57,034 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 10:31:57,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 10:31:57,156 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 10:31:57,157 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 10:31:57,157 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [757511309] [2022-12-14 10:31:57,157 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [757511309] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 10:31:57,158 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 10:31:57,158 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-14 10:31:57,159 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1254112391] [2022-12-14 10:31:57,159 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 10:31:57,162 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-12-14 10:31:57,162 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 10:31:57,182 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-12-14 10:31:57,183 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-12-14 10:31:57,186 INFO L87 Difference]: Start difference. First operand has 1099 states, 591 states have (on average 1.9678510998307952) internal successors, (1163), 1093 states have internal predecessors, (1163), 503 states have call successors, (503), 2 states have call predecessors, (503), 2 states have return successors, (503), 4 states have call predecessors, (503), 503 states have call successors, (503) Second operand has 2 states, 2 states have (on average 4.0) internal successors, (8), 2 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 10:31:57,892 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 10:31:57,893 INFO L93 Difference]: Finished difference Result 2197 states and 4837 transitions. [2022-12-14 10:31:57,897 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-12-14 10:31:57,898 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 4.0) internal successors, (8), 2 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 8 [2022-12-14 10:31:57,899 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 10:31:57,917 INFO L225 Difference]: With dead ends: 2197 [2022-12-14 10:31:57,917 INFO L226 Difference]: Without dead ends: 1097 [2022-12-14 10:31:57,926 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-12-14 10:31:57,928 INFO L413 NwaCegarLoop]: 2101 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 2101 SdHoareTripleChecker+Invalid, 13 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 13 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-12-14 10:31:57,928 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 2101 Invalid, 13 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 13 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-12-14 10:31:57,942 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1097 states. [2022-12-14 10:31:58,167 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1097 to 1097. [2022-12-14 10:31:58,170 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1097 states, 590 states have (on average 1.8745762711864407) internal successors, (1106), 1091 states have internal predecessors, (1106), 503 states have call successors, (503), 2 states have call predecessors, (503), 2 states have return successors, (503), 4 states have call predecessors, (503), 503 states have call successors, (503) [2022-12-14 10:31:58,175 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1097 states to 1097 states and 2112 transitions. [2022-12-14 10:31:58,176 INFO L78 Accepts]: Start accepts. Automaton has 1097 states and 2112 transitions. Word has length 8 [2022-12-14 10:31:58,176 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 10:31:58,177 INFO L495 AbstractCegarLoop]: Abstraction has 1097 states and 2112 transitions. [2022-12-14 10:31:58,177 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 4.0) internal successors, (8), 2 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 10:31:58,177 INFO L276 IsEmpty]: Start isEmpty. Operand 1097 states and 2112 transitions. [2022-12-14 10:31:58,178 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2022-12-14 10:31:58,178 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 10:31:58,178 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 10:31:58,178 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-12-14 10:31:58,179 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 10:31:58,179 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 10:31:58,179 INFO L85 PathProgramCache]: Analyzing trace with hash 82355722, now seen corresponding path program 1 times [2022-12-14 10:31:58,179 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 10:31:58,180 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [443191068] [2022-12-14 10:31:58,180 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 10:31:58,180 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 10:31:58,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 10:31:58,403 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 10:31:58,404 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 10:31:58,404 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [443191068] [2022-12-14 10:31:58,404 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [443191068] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 10:31:58,404 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 10:31:58,404 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-14 10:31:58,404 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1957861648] [2022-12-14 10:31:58,405 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 10:31:58,406 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-14 10:31:58,406 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 10:31:58,406 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-14 10:31:58,407 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-12-14 10:31:58,407 INFO L87 Difference]: Start difference. First operand 1097 states and 2112 transitions. Second operand has 4 states, 4 states have (on average 5.0) internal successors, (20), 3 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 10:32:00,077 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 10:32:00,078 INFO L93 Difference]: Finished difference Result 3192 states and 6222 transitions. [2022-12-14 10:32:00,080 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-12-14 10:32:00,081 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 5.0) internal successors, (20), 3 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 20 [2022-12-14 10:32:00,081 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 10:32:00,091 INFO L225 Difference]: With dead ends: 3192 [2022-12-14 10:32:00,091 INFO L226 Difference]: Without dead ends: 2148 [2022-12-14 10:32:00,094 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-12-14 10:32:00,095 INFO L413 NwaCegarLoop]: 2589 mSDtfsCounter, 1056 mSDsluCounter, 4162 mSDsCounter, 0 mSdLazyCounter, 583 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1556 SdHoareTripleChecker+Valid, 6751 SdHoareTripleChecker+Invalid, 585 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 583 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2022-12-14 10:32:00,096 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1556 Valid, 6751 Invalid, 585 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 583 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2022-12-14 10:32:00,098 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2148 states. [2022-12-14 10:32:00,327 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2148 to 1099. [2022-12-14 10:32:00,329 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1099 states, 592 states have (on average 1.8716216216216217) internal successors, (1108), 1093 states have internal predecessors, (1108), 503 states have call successors, (503), 2 states have call predecessors, (503), 2 states have return successors, (503), 4 states have call predecessors, (503), 503 states have call successors, (503) [2022-12-14 10:32:00,333 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1099 states to 1099 states and 2114 transitions. [2022-12-14 10:32:00,334 INFO L78 Accepts]: Start accepts. Automaton has 1099 states and 2114 transitions. Word has length 20 [2022-12-14 10:32:00,334 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 10:32:00,334 INFO L495 AbstractCegarLoop]: Abstraction has 1099 states and 2114 transitions. [2022-12-14 10:32:00,334 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 5.0) internal successors, (20), 3 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 10:32:00,334 INFO L276 IsEmpty]: Start isEmpty. Operand 1099 states and 2114 transitions. [2022-12-14 10:32:00,335 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2022-12-14 10:32:00,335 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 10:32:00,335 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 10:32:00,335 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-12-14 10:32:00,335 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 10:32:00,335 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 10:32:00,336 INFO L85 PathProgramCache]: Analyzing trace with hash -421348211, now seen corresponding path program 1 times [2022-12-14 10:32:00,336 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 10:32:00,336 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1428611428] [2022-12-14 10:32:00,336 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 10:32:00,336 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 10:32:00,444 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-12-14 10:32:00,444 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2039194680] [2022-12-14 10:32:00,444 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 10:32:00,444 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 10:32:00,445 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d974f0e3-f739-42a1-bda2-5e267e7d8422/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 10:32:00,446 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d974f0e3-f739-42a1-bda2-5e267e7d8422/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-14 10:32:00,447 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d974f0e3-f739-42a1-bda2-5e267e7d8422/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-12-14 10:32:00,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 10:32:01,002 INFO L263 TraceCheckSpWp]: Trace formula consists of 1659 conjuncts, 5 conjunts are in the unsatisfiable core [2022-12-14 10:32:01,007 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 10:32:01,061 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 10:32:01,061 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-14 10:32:01,061 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 10:32:01,061 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1428611428] [2022-12-14 10:32:01,061 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-12-14 10:32:01,061 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2039194680] [2022-12-14 10:32:01,062 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2039194680] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 10:32:01,062 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 10:32:01,062 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-14 10:32:01,062 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2103255720] [2022-12-14 10:32:01,062 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 10:32:01,063 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-14 10:32:01,063 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 10:32:01,063 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-14 10:32:01,063 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 10:32:01,064 INFO L87 Difference]: Start difference. First operand 1099 states and 2114 transitions. Second operand has 3 states, 3 states have (on average 14.666666666666666) internal successors, (44), 2 states have internal predecessors, (44), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 10:32:02,124 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 10:32:02,124 INFO L93 Difference]: Finished difference Result 3230 states and 6264 transitions. [2022-12-14 10:32:02,130 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-14 10:32:02,130 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 14.666666666666666) internal successors, (44), 2 states have internal predecessors, (44), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 44 [2022-12-14 10:32:02,130 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 10:32:02,143 INFO L225 Difference]: With dead ends: 3230 [2022-12-14 10:32:02,143 INFO L226 Difference]: Without dead ends: 2134 [2022-12-14 10:32:02,147 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 42 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 10:32:02,148 INFO L413 NwaCegarLoop]: 2613 mSDtfsCounter, 1033 mSDsluCounter, 2080 mSDsCounter, 0 mSdLazyCounter, 36 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1535 SdHoareTripleChecker+Valid, 4693 SdHoareTripleChecker+Invalid, 39 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 36 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2022-12-14 10:32:02,149 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1535 Valid, 4693 Invalid, 39 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 36 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2022-12-14 10:32:02,152 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2134 states. [2022-12-14 10:32:02,409 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2134 to 2132. [2022-12-14 10:32:02,412 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2132 states, 1125 states have (on average 1.9057777777777778) internal successors, (2144), 2126 states have internal predecessors, (2144), 1003 states have call successors, (1003), 2 states have call predecessors, (1003), 2 states have return successors, (1003), 5 states have call predecessors, (1003), 1003 states have call successors, (1003) [2022-12-14 10:32:02,421 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2132 states to 2132 states and 4150 transitions. [2022-12-14 10:32:02,421 INFO L78 Accepts]: Start accepts. Automaton has 2132 states and 4150 transitions. Word has length 44 [2022-12-14 10:32:02,421 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 10:32:02,422 INFO L495 AbstractCegarLoop]: Abstraction has 2132 states and 4150 transitions. [2022-12-14 10:32:02,422 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 14.666666666666666) internal successors, (44), 2 states have internal predecessors, (44), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 10:32:02,422 INFO L276 IsEmpty]: Start isEmpty. Operand 2132 states and 4150 transitions. [2022-12-14 10:32:02,423 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2022-12-14 10:32:02,423 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 10:32:02,423 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 10:32:02,433 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d974f0e3-f739-42a1-bda2-5e267e7d8422/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-12-14 10:32:02,623 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d974f0e3-f739-42a1-bda2-5e267e7d8422/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 10:32:02,624 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 10:32:02,624 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 10:32:02,624 INFO L85 PathProgramCache]: Analyzing trace with hash -125172879, now seen corresponding path program 1 times [2022-12-14 10:32:02,624 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 10:32:02,625 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1235741491] [2022-12-14 10:32:02,625 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 10:32:02,625 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 10:32:02,678 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-12-14 10:32:02,678 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1279313356] [2022-12-14 10:32:02,678 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 10:32:02,679 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 10:32:02,679 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d974f0e3-f739-42a1-bda2-5e267e7d8422/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 10:32:02,680 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d974f0e3-f739-42a1-bda2-5e267e7d8422/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-14 10:32:02,681 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d974f0e3-f739-42a1-bda2-5e267e7d8422/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-12-14 10:32:02,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 10:32:03,004 INFO L263 TraceCheckSpWp]: Trace formula consists of 796 conjuncts, 5 conjunts are in the unsatisfiable core [2022-12-14 10:32:03,007 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 10:32:03,087 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-12-14 10:32:03,087 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-14 10:32:03,087 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 10:32:03,087 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1235741491] [2022-12-14 10:32:03,087 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-12-14 10:32:03,087 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1279313356] [2022-12-14 10:32:03,088 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1279313356] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 10:32:03,088 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 10:32:03,088 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-12-14 10:32:03,088 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [760984211] [2022-12-14 10:32:03,088 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 10:32:03,088 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-14 10:32:03,089 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 10:32:03,090 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-14 10:32:03,090 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-12-14 10:32:03,090 INFO L87 Difference]: Start difference. First operand 2132 states and 4150 transitions. Second operand has 4 states, 4 states have (on average 12.75) internal successors, (51), 4 states have internal predecessors, (51), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-12-14 10:32:04,714 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 10:32:04,714 INFO L93 Difference]: Finished difference Result 3228 states and 6261 transitions. [2022-12-14 10:32:04,715 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-12-14 10:32:04,715 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 12.75) internal successors, (51), 4 states have internal predecessors, (51), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 57 [2022-12-14 10:32:04,715 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 10:32:04,719 INFO L225 Difference]: With dead ends: 3228 [2022-12-14 10:32:04,719 INFO L226 Difference]: Without dead ends: 1112 [2022-12-14 10:32:04,724 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 58 GetRequests, 55 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-12-14 10:32:04,724 INFO L413 NwaCegarLoop]: 2087 mSDtfsCounter, 2143 mSDsluCounter, 1036 mSDsCounter, 0 mSdLazyCounter, 52 mSolverCounterSat, 1003 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2143 SdHoareTripleChecker+Valid, 3123 SdHoareTripleChecker+Invalid, 1055 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1003 IncrementalHoareTripleChecker+Valid, 52 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2022-12-14 10:32:04,725 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2143 Valid, 3123 Invalid, 1055 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1003 Valid, 52 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2022-12-14 10:32:04,726 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1112 states. [2022-12-14 10:32:04,850 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1112 to 1112. [2022-12-14 10:32:04,852 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1112 states, 605 states have (on average 1.8512396694214877) internal successors, (1120), 1106 states have internal predecessors, (1120), 503 states have call successors, (503), 2 states have call predecessors, (503), 2 states have return successors, (503), 4 states have call predecessors, (503), 503 states have call successors, (503) [2022-12-14 10:32:04,856 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1112 states to 1112 states and 2126 transitions. [2022-12-14 10:32:04,856 INFO L78 Accepts]: Start accepts. Automaton has 1112 states and 2126 transitions. Word has length 57 [2022-12-14 10:32:04,857 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 10:32:04,857 INFO L495 AbstractCegarLoop]: Abstraction has 1112 states and 2126 transitions. [2022-12-14 10:32:04,857 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 12.75) internal successors, (51), 4 states have internal predecessors, (51), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-12-14 10:32:04,857 INFO L276 IsEmpty]: Start isEmpty. Operand 1112 states and 2126 transitions. [2022-12-14 10:32:04,858 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2022-12-14 10:32:04,858 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 10:32:04,858 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 10:32:04,866 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d974f0e3-f739-42a1-bda2-5e267e7d8422/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2022-12-14 10:32:05,058 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d974f0e3-f739-42a1-bda2-5e267e7d8422/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 10:32:05,059 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 10:32:05,059 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 10:32:05,059 INFO L85 PathProgramCache]: Analyzing trace with hash 373117970, now seen corresponding path program 1 times [2022-12-14 10:32:05,059 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 10:32:05,059 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1742787934] [2022-12-14 10:32:05,060 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 10:32:05,060 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 10:32:05,117 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-12-14 10:32:05,117 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [333543674] [2022-12-14 10:32:05,117 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 10:32:05,117 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 10:32:05,117 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d974f0e3-f739-42a1-bda2-5e267e7d8422/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 10:32:05,118 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d974f0e3-f739-42a1-bda2-5e267e7d8422/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-14 10:32:05,119 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d974f0e3-f739-42a1-bda2-5e267e7d8422/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-12-14 10:32:17,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 10:32:17,978 INFO L263 TraceCheckSpWp]: Trace formula consists of 822 conjuncts, 5 conjunts are in the unsatisfiable core [2022-12-14 10:32:17,981 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 10:32:17,994 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 10:32:17,994 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-14 10:32:17,994 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 10:32:17,994 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1742787934] [2022-12-14 10:32:17,994 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-12-14 10:32:17,994 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [333543674] [2022-12-14 10:32:17,994 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [333543674] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 10:32:17,994 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 10:32:17,995 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-12-14 10:32:17,995 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1062780293] [2022-12-14 10:32:17,995 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 10:32:17,995 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-14 10:32:17,995 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 10:32:17,996 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-14 10:32:17,996 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-12-14 10:32:17,996 INFO L87 Difference]: Start difference. First operand 1112 states and 2126 transitions. Second operand has 4 states, 3 states have (on average 20.0) internal successors, (60), 4 states have internal predecessors, (60), 2 states have call successors, (2), 2 states have call predecessors, (2), 2 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) [2022-12-14 10:32:19,144 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 10:32:19,145 INFO L93 Difference]: Finished difference Result 2207 states and 4236 transitions. [2022-12-14 10:32:19,148 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-12-14 10:32:19,148 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 20.0) internal successors, (60), 4 states have internal predecessors, (60), 2 states have call successors, (2), 2 states have call predecessors, (2), 2 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) Word has length 64 [2022-12-14 10:32:19,148 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 10:32:19,152 INFO L225 Difference]: With dead ends: 2207 [2022-12-14 10:32:19,153 INFO L226 Difference]: Without dead ends: 1114 [2022-12-14 10:32:19,156 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 64 GetRequests, 61 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-12-14 10:32:19,156 INFO L413 NwaCegarLoop]: 2097 mSDtfsCounter, 1 mSDsluCounter, 4190 mSDsCounter, 0 mSdLazyCounter, 45 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 6287 SdHoareTripleChecker+Invalid, 46 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 45 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2022-12-14 10:32:19,156 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 6287 Invalid, 46 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 45 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2022-12-14 10:32:19,158 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1114 states. [2022-12-14 10:32:19,288 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1114 to 1114. [2022-12-14 10:32:19,290 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1114 states, 606 states have (on average 1.8514851485148516) internal successors, (1122), 1108 states have internal predecessors, (1122), 503 states have call successors, (503), 2 states have call predecessors, (503), 3 states have return successors, (504), 4 states have call predecessors, (504), 503 states have call successors, (504) [2022-12-14 10:32:19,302 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1114 states to 1114 states and 2129 transitions. [2022-12-14 10:32:19,303 INFO L78 Accepts]: Start accepts. Automaton has 1114 states and 2129 transitions. Word has length 64 [2022-12-14 10:32:19,303 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 10:32:19,303 INFO L495 AbstractCegarLoop]: Abstraction has 1114 states and 2129 transitions. [2022-12-14 10:32:19,303 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 20.0) internal successors, (60), 4 states have internal predecessors, (60), 2 states have call successors, (2), 2 states have call predecessors, (2), 2 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) [2022-12-14 10:32:19,304 INFO L276 IsEmpty]: Start isEmpty. Operand 1114 states and 2129 transitions. [2022-12-14 10:32:19,305 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2022-12-14 10:32:19,305 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 10:32:19,305 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 10:32:19,327 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d974f0e3-f739-42a1-bda2-5e267e7d8422/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2022-12-14 10:32:19,505 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d974f0e3-f739-42a1-bda2-5e267e7d8422/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 10:32:19,506 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 10:32:19,506 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 10:32:19,506 INFO L85 PathProgramCache]: Analyzing trace with hash 899935758, now seen corresponding path program 1 times [2022-12-14 10:32:19,506 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 10:32:19,506 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [217613025] [2022-12-14 10:32:19,507 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 10:32:19,507 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 10:32:19,560 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-12-14 10:32:19,560 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [881145722] [2022-12-14 10:32:19,560 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 10:32:19,561 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 10:32:19,561 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d974f0e3-f739-42a1-bda2-5e267e7d8422/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 10:32:19,561 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d974f0e3-f739-42a1-bda2-5e267e7d8422/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-14 10:32:19,562 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d974f0e3-f739-42a1-bda2-5e267e7d8422/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-12-14 10:32:59,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 10:32:59,824 INFO L263 TraceCheckSpWp]: Trace formula consists of 852 conjuncts, 11 conjunts are in the unsatisfiable core [2022-12-14 10:32:59,826 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 10:32:59,838 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 8 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-12-14 10:32:59,838 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-14 10:32:59,905 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 2 proven. 6 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-12-14 10:32:59,905 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 10:32:59,905 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [217613025] [2022-12-14 10:32:59,905 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-12-14 10:32:59,906 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [881145722] [2022-12-14 10:32:59,906 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [881145722] provided 0 perfect and 2 imperfect interpolant sequences [2022-12-14 10:32:59,906 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [146106152] [2022-12-14 10:32:59,922 INFO L159 IcfgInterpreter]: Started Sifa with 60 locations of interest [2022-12-14 10:32:59,922 INFO L166 IcfgInterpreter]: Building call graph [2022-12-14 10:32:59,925 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-12-14 10:32:59,928 INFO L176 IcfgInterpreter]: Starting interpretation [2022-12-14 10:32:59,929 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-12-14 10:32:59,991 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2022-12-14 10:32:59,998 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:33:00,013 INFO L321 Elim1Store]: treesize reduction 18, result has 35.7 percent of original size [2022-12-14 10:33:00,013 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 5 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 2 case distinctions, treesize of input 27 treesize of output 37 [2022-12-14 10:33:00,023 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:33:00,024 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 28 [2022-12-14 10:33:00,031 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:33:00,032 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 [2022-12-14 10:33:00,039 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2022-12-14 10:33:00,060 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:33:00,061 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:33:00,082 INFO L321 Elim1Store]: treesize reduction 20, result has 48.7 percent of original size [2022-12-14 10:33:00,082 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 22 treesize of output 38 [2022-12-14 10:33:00,094 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:33:00,094 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:33:00,130 INFO L321 Elim1Store]: treesize reduction 36, result has 34.5 percent of original size [2022-12-14 10:33:00,131 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 8 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 4 case distinctions, treesize of input 32 treesize of output 49 [2022-12-14 10:33:00,141 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:33:00,146 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:33:00,147 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:33:00,148 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:33:00,149 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 52 treesize of output 49 [2022-12-14 10:33:00,170 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:33:00,171 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 [2022-12-14 10:33:00,183 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:33:00,184 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 [2022-12-14 10:33:00,466 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 19 [2022-12-14 10:33:00,483 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:33:00,484 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:33:00,485 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:33:00,486 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:33:00,487 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:33:00,488 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:33:00,488 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:33:00,489 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:33:00,490 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:33:00,491 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:33:00,492 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:33:00,493 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:33:00,493 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:33:00,494 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:33:00,495 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:33:00,508 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 29 disjoint index pairs (out of 36 index pairs), introduced 8 new quantified variables, introduced 0 case distinctions, treesize of input 9897009 treesize of output 5376288 [2022-12-14 10:33:00,527 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:33:00,528 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:33:00,529 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:33:00,530 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:33:00,531 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:33:00,532 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:33:00,533 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:33:00,533 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:33:00,534 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:33:00,535 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:33:00,536 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:33:00,537 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:33:00,538 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:33:00,539 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:33:00,540 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:33:00,540 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:33:00,541 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:33:00,544 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 29 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 8458577 treesize of output 4759834 [2022-12-14 10:33:00,574 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 19 [2022-12-14 10:33:00,604 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:33:00,605 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:33:00,605 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:33:00,606 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:33:00,607 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:33:00,608 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:33:00,609 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:33:00,610 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:33:00,611 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:33:00,612 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:33:00,612 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:33:00,613 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:33:00,614 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:33:00,615 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:33:00,616 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:33:00,617 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:33:00,617 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:33:00,618 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:33:00,619 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:33:00,620 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:33:00,621 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:33:00,634 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 10 select indices, 10 select index equivalence classes, 36 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 0 case distinctions, treesize of input 8458592 treesize of output 4759837 [2022-12-14 10:33:00,654 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:33:00,655 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:33:00,656 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:33:00,657 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:33:00,658 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:33:00,659 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:33:00,660 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:33:00,660 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:33:00,661 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:33:00,662 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:33:00,663 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:33:00,663 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:33:00,664 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:33:00,665 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:33:00,666 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:33:00,667 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:33:00,667 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:33:00,668 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:33:00,669 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:33:00,670 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:33:00,670 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:33:00,673 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 10 select indices, 10 select index equivalence classes, 36 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 0 case distinctions, treesize of input 8458592 treesize of output 4759837 [2022-12-14 10:33:00,696 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 31 [2022-12-14 10:33:00,712 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 31 [2022-12-14 10:33:00,765 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:33:00,766 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:33:00,767 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:33:00,767 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:33:00,768 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:33:00,769 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:33:00,769 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:33:00,770 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:33:00,771 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:33:00,771 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:33:00,772 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:33:00,773 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:33:00,773 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:33:00,774 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:33:00,774 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:33:00,775 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:33:00,775 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:33:00,776 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:33:00,777 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:33:00,777 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:33:00,778 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:33:00,780 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 10 select indices, 10 select index equivalence classes, 36 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 0 case distinctions, treesize of input 8458592 treesize of output 4759837 [2022-12-14 10:33:00,806 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 9 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 46 [2022-12-14 10:33:00,825 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 10 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 46 [2022-12-14 10:33:00,840 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:33:00,841 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:33:00,842 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:33:00,879 INFO L321 Elim1Store]: treesize reduction 48, result has 48.9 percent of original size [2022-12-14 10:33:00,879 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 10 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 33 treesize of output 74 [2022-12-14 10:33:00,895 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:33:00,899 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:33:00,900 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:33:00,933 INFO L321 Elim1Store]: treesize reduction 90, result has 33.8 percent of original size [2022-12-14 10:33:00,934 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 6 select indices, 6 select index equivalence classes, 12 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 6 case distinctions, treesize of input 49 treesize of output 85 [2022-12-14 10:33:01,099 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2022-12-14 10:33:01,103 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 10 [2022-12-14 10:33:01,108 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 10 [2022-12-14 10:33:01,127 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 64 treesize of output 63 [2022-12-14 10:33:01,134 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 64 treesize of output 63 [2022-12-14 10:33:01,140 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 66 treesize of output 65 [2022-12-14 10:33:01,156 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 10 [2022-12-14 10:33:01,160 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 10 [2022-12-14 10:33:01,164 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2022-12-14 10:33:01,206 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:33:01,207 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:33:01,208 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:33:01,209 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:33:01,210 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:33:01,211 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:33:01,212 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:33:01,212 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:33:01,213 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:33:01,214 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:33:01,215 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:33:01,216 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:33:01,216 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:33:01,217 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:33:01,218 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:33:01,219 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 10 select indices, 10 select index equivalence classes, 29 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 0 case distinctions, treesize of input 8458573 treesize of output 4759755 [2022-12-14 10:33:01,240 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 9 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 108 treesize of output 42 [2022-12-14 10:33:01,256 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 [2022-12-14 10:33:01,369 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:33:01,370 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:33:01,371 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:33:01,372 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:33:01,373 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:33:01,373 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:33:01,374 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:33:01,375 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:33:01,376 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:33:01,377 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:33:01,377 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:33:01,388 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:33:01,389 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:33:01,390 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:33:01,390 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:33:01,392 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 10 select indices, 10 select index equivalence classes, 29 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 0 case distinctions, treesize of input 8458573 treesize of output 4759755 [2022-12-14 10:33:01,407 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 9 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 108 treesize of output 42 [2022-12-14 10:33:01,420 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 [2022-12-14 10:33:02,049 INFO L217 Elim1Store]: Index analysis took 449 ms [2022-12-14 10:33:05,106 INFO L321 Elim1Store]: treesize reduction 190, result has 18.1 percent of original size [2022-12-14 10:33:05,106 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 7 select indices, 7 select index equivalence classes, 4 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 22 case distinctions, treesize of input 9519777 treesize of output 9519796 [2022-12-14 10:33:06,731 INFO L217 Elim1Store]: Index analysis took 1439 ms [2022-12-14 10:33:07,334 INFO L321 Elim1Store]: treesize reduction 87, result has 5.4 percent of original size [2022-12-14 10:33:07,335 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 6 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 10 case distinctions, treesize of input 9519772 treesize of output 9519776 [2022-12-14 10:33:12,709 WARN L233 SmtUtils]: Spent 5.29s on a formula simplification. DAG size of input: 67 DAG size of output: 32 (called from [L 318] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2022-12-14 10:33:12,709 INFO L321 Elim1Store]: treesize reduction 340, result has 16.0 percent of original size [2022-12-14 10:33:12,709 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 5 new quantified variables, introduced 4 case distinctions, treesize of input 1986 treesize of output 1481 [2022-12-14 10:33:12,961 INFO L217 Elim1Store]: Index analysis took 143 ms [2022-12-14 10:33:30,007 WARN L233 SmtUtils]: Spent 17.04s on a formula simplification. DAG size of input: 90 DAG size of output: 45 (called from [L 318] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2022-12-14 10:33:30,008 INFO L321 Elim1Store]: treesize reduction 266, result has 31.6 percent of original size [2022-12-14 10:33:30,008 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 4 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 7 new quantified variables, introduced 8 case distinctions, treesize of input 2005 treesize of output 1829 [2022-12-14 10:33:31,336 INFO L217 Elim1Store]: Index analysis took 843 ms [2022-12-14 10:33:52,978 WARN L233 SmtUtils]: Spent 21.18s on a formula simplification. DAG size of input: 258 DAG size of output: 156 (called from [L 318] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2022-12-14 10:33:52,979 INFO L321 Elim1Store]: treesize reduction 13218, result has 27.3 percent of original size [2022-12-14 10:33:52,979 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 4 stores, 0 select indices, 0 select index equivalence classes, 5 disjoint index pairs (out of 0 index pairs), introduced 4 new quantified variables, introduced 16 case distinctions, treesize of input 4294 treesize of output 11953 [2022-12-14 10:33:54,193 INFO L217 Elim1Store]: Index analysis took 121 ms [2022-12-14 10:33:54,605 INFO L321 Elim1Store]: treesize reduction 13, result has 38.1 percent of original size [2022-12-14 10:33:54,606 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 3 case distinctions, treesize of input 91 treesize of output 73 [2022-12-14 10:33:54,676 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 3 [2022-12-14 10:33:55,093 INFO L217 Elim1Store]: Index analysis took 251 ms [2022-12-14 10:33:55,648 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-12-14 10:33:55,648 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 2 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 70 treesize of output 94 [2022-12-14 10:33:56,058 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 10:33:56,059 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 13 [2022-12-14 10:33:56,152 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:33:56,153 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 15 [2022-12-14 10:33:56,212 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:33:56,213 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 15 [2022-12-14 10:33:56,276 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 10:33:56,277 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 32 treesize of output 20 [2022-12-14 10:33:56,327 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 10:33:56,328 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 32 treesize of output 20 [2022-12-14 10:33:57,822 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:33:57,849 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:33:57,850 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 32 treesize of output 20 [2022-12-14 10:33:57,960 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-12-14 10:33:58,220 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 10:33:58,221 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 32 treesize of output 20 [2022-12-14 10:33:58,598 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:33:58,598 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 10:33:58,599 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 18 [2022-12-14 10:33:58,663 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:33:58,664 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 13 [2022-12-14 10:33:58,730 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:33:58,731 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 13 [2022-12-14 10:33:59,057 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:33:59,058 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 13 [2022-12-14 10:33:59,594 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:33:59,608 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:33:59,620 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:33:59,621 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 28 treesize of output 18 [2022-12-14 10:34:08,697 INFO L217 Elim1Store]: Index analysis took 1138 ms [2022-12-14 10:43:48,812 WARN L233 SmtUtils]: Spent 9.67m on a formula simplification. DAG size of input: 339 DAG size of output: 94 (called from [L 318] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2022-12-14 10:43:48,813 INFO L321 Elim1Store]: treesize reduction 32474, result has 1.7 percent of original size [2022-12-14 10:43:48,826 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 12 stores, 4 select indices, 4 select index equivalence classes, 5 disjoint index pairs (out of 6 index pairs), introduced 16 new quantified variables, introduced 78 case distinctions, treesize of input 1135754 treesize of output 1141681 [2022-12-14 10:44:43,015 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-12-14 10:44:43,742 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 10:44:43,744 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 10:44:43,754 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 10:44:43,755 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 10:44:43,758 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 10:44:49,104 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 10:44:49,105 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 10:44:49,105 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 10:44:49,108 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 10:44:49,112 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 10:44:49,113 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 10:44:49,114 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 10:44:49,117 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 10:44:53,024 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 10:44:53,025 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 10:44:53,025 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 10:44:53,029 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 10:45:15,533 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 10:45:15,534 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 10:45:15,537 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 10:45:15,541 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 10:45:15,542 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 10:45:15,543 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 10:45:15,545 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 10:45:30,372 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 10:45:30,373 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 10:45:30,373 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 10:45:30,376 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 10:45:34,928 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 10:45:34,929 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 10:45:34,931 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 10:45:34,934 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 10:45:34,935 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 10:45:34,936 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 10:45:34,938 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 10:45:34,941 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 10:45:34,942 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 10:45:34,943 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 10:45:34,945 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 10:45:34,948 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 10:45:34,949 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 10:45:34,950 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 10:45:34,952 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 10:45:34,952 INFO L217 Elim1Store]: Index analysis took 51215 ms [2022-12-14 10:45:34,962 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 11 stores, 2 select indices, 2 select index equivalence classes, 5 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 24417 treesize of output 221145 [2022-12-14 10:45:36,018 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 10:45:36,020 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 10:45:36,029 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 10:45:36,029 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 10:45:36,032 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 10:45:37,166 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 10:45:37,167 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 10:45:37,168 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 10:45:37,170 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 10:45:37,173 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 10:45:37,174 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 10:45:37,175 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 10:45:37,177 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 10:45:38,284 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 10:45:38,285 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 10:45:38,286 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 10:45:38,288 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 10:45:43,450 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 10:45:43,451 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 10:45:43,453 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 10:45:43,457 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 10:45:43,458 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 10:45:43,459 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 10:45:43,460 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 10:45:47,549 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 10:45:47,550 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 10:45:47,551 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 10:45:47,553 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 10:45:48,658 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 10:45:48,659 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 10:45:48,661 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 10:45:48,666 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 10:45:48,667 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 10:45:48,668 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 10:45:48,670 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 10:45:48,674 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 10:45:48,675 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 10:45:48,676 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 10:45:48,678 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 10:45:48,683 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 10:45:48,683 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 10:45:48,684 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 10:45:48,687 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 10:45:48,687 INFO L217 Elim1Store]: Index analysis took 12674 ms [2022-12-14 10:45:48,697 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 11 stores, 2 select indices, 2 select index equivalence classes, 5 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 24417 treesize of output 221145 [2022-12-14 10:45:53,068 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 10:45:54,012 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 10:45:56,173 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 10:46:00,090 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 10:46:00,632 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 10:46:00,633 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 10:46:00,730 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 10:46:00,731 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 10:46:01,267 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 10:46:01,268 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 10:46:06,967 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 10:46:06,969 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 10:46:07,326 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 10:46:13,795 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 10:46:18,837 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 10:46:20,834 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 10:46:20,944 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 10:46:20,946 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 10:46:22,141 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 10:46:22,142 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 10:46:22,559 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 10:46:25,303 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 10:46:28,595 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 10:46:29,942 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 10:46:30,963 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 10:46:31,585 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 10:46:31,632 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 10:46:31,633 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 10:46:31,709 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 10:46:31,710 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 10:46:31,792 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 10:46:31,793 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 10:46:31,860 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 10:46:31,862 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 10:46:31,863 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 10:46:31,865 INFO L217 Elim1Store]: Index analysis took 42513 ms [2022-12-14 10:46:35,583 INFO L321 Elim1Store]: treesize reduction 12013, result has 0.0 percent of original size [2022-12-14 10:46:35,584 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 11 stores, 2 select indices, 2 select index equivalence classes, 5 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 34 case distinctions, treesize of input 24417 treesize of output 221145 [2022-12-14 10:46:41,166 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 10:46:41,951 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 10:46:43,974 WARN L161 IndexEqualityManager]: solver failed to check if following equality is implied: (= (select v_arrayElimArr_16 (let ((.cse4 (+ |ULTIMATE.start_main_~user~0#1.offset| 8))) (select (select (let ((.cse2 (select (select |v_#memory_$Pointer$.base_30| |ULTIMATE.start_main_~user~0#1.base|) .cse4)) (.cse3 (+ (select (select |v_#memory_$Pointer$.offset_30| |ULTIMATE.start_main_~user~0#1.base|) .cse4) 8))) (let ((.cse0 (store |v_#memory_$Pointer$.base_30| .cse2 (store (select |v_#memory_$Pointer$.base_30| .cse2) .cse3 v_DerPreprocessor_6)))) (let ((.cse1 (select (select .cse0 |ULTIMATE.start_main_~user~0#1.base|) .cse4))) (store .cse0 .cse1 (store (select .cse0 .cse1) (+ 20 (select (select (store |v_#memory_$Pointer$.offset_30| .cse2 (store (select |v_#memory_$Pointer$.offset_30| .cse2) .cse3 v_DerPreprocessor_8)) |ULTIMATE.start_main_~user~0#1.base|) .cse4)) v_DerPreprocessor_7))))) |ULTIMATE.start_main_~user~0#1.base|) .cse4))) (select v_arrayElimArr_16 |ULTIMATE.start_main_~user~0#1.base|)) [2022-12-14 10:46:45,192 INFO L190 IndexEqualityManager]: detected not equals via solver