./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/uthash-2.0.2/uthash_JEN_test3-1.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_20efdfd4-3dac-4c0e-975e-41eae6cfec6f/bin/utaipan-gh47qXpMRh/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20efdfd4-3dac-4c0e-975e-41eae6cfec6f/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_20efdfd4-3dac-4c0e-975e-41eae6cfec6f/bin/utaipan-gh47qXpMRh/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20efdfd4-3dac-4c0e-975e-41eae6cfec6f/bin/utaipan-gh47qXpMRh/config/TaipanReach.xml -i ../../sv-benchmarks/c/uthash-2.0.2/uthash_JEN_test3-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20efdfd4-3dac-4c0e-975e-41eae6cfec6f/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_20efdfd4-3dac-4c0e-975e-41eae6cfec6f/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 f1f34940ecf685c2c1201858b264ccb53eb3034d3cb9952a1b49bb437c42dde1 --- 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 08:08:43,545 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-14 08:08:43,547 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-14 08:08:43,561 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-14 08:08:43,561 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-14 08:08:43,562 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-14 08:08:43,563 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-14 08:08:43,564 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-14 08:08:43,565 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-14 08:08:43,566 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-14 08:08:43,566 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-14 08:08:43,567 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-14 08:08:43,567 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-14 08:08:43,568 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-14 08:08:43,569 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-14 08:08:43,570 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-14 08:08:43,570 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-14 08:08:43,571 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-14 08:08:43,572 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-14 08:08:43,573 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-14 08:08:43,574 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-14 08:08:43,575 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-14 08:08:43,576 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-14 08:08:43,577 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-14 08:08:43,579 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-14 08:08:43,579 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-14 08:08:43,579 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-14 08:08:43,580 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-14 08:08:43,580 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-14 08:08:43,581 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-14 08:08:43,581 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-14 08:08:43,582 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-14 08:08:43,582 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-14 08:08:43,583 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-14 08:08:43,584 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-14 08:08:43,584 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-14 08:08:43,584 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-14 08:08:43,585 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-14 08:08:43,585 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-14 08:08:43,585 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-14 08:08:43,586 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-14 08:08:43,586 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20efdfd4-3dac-4c0e-975e-41eae6cfec6f/bin/utaipan-gh47qXpMRh/config/svcomp-Reach-32bit-Taipan_Default.epf [2022-12-14 08:08:43,602 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-14 08:08:43,602 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-14 08:08:43,602 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-14 08:08:43,603 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-14 08:08:43,603 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-14 08:08:43,603 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-14 08:08:43,603 INFO L138 SettingsManager]: * User list type=DISABLED [2022-12-14 08:08:43,604 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-12-14 08:08:43,604 INFO L138 SettingsManager]: * Explicit value domain=true [2022-12-14 08:08:43,604 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-12-14 08:08:43,604 INFO L138 SettingsManager]: * Octagon Domain=false [2022-12-14 08:08:43,604 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-12-14 08:08:43,604 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-12-14 08:08:43,604 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-12-14 08:08:43,605 INFO L138 SettingsManager]: * Interval Domain=false [2022-12-14 08:08:43,605 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-12-14 08:08:43,605 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-12-14 08:08:43,605 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-12-14 08:08:43,606 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-14 08:08:43,606 INFO L138 SettingsManager]: * sizeof long=4 [2022-12-14 08:08:43,606 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-14 08:08:43,606 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-12-14 08:08:43,606 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-14 08:08:43,606 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-14 08:08:43,607 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-14 08:08:43,607 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-14 08:08:43,607 INFO L138 SettingsManager]: * sizeof long double=12 [2022-12-14 08:08:43,607 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-14 08:08:43,607 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-14 08:08:43,607 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-14 08:08:43,608 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-14 08:08:43,608 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-14 08:08:43,608 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-14 08:08:43,608 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-14 08:08:43,608 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-12-14 08:08:43,608 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-14 08:08:43,609 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-14 08:08:43,609 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-12-14 08:08:43,609 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-14 08:08:43,609 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-14 08:08:43,609 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-12-14 08:08:43,609 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_20efdfd4-3dac-4c0e-975e-41eae6cfec6f/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20efdfd4-3dac-4c0e-975e-41eae6cfec6f/bin/utaipan-gh47qXpMRh Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f1f34940ecf685c2c1201858b264ccb53eb3034d3cb9952a1b49bb437c42dde1 [2022-12-14 08:08:43,767 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-14 08:08:43,786 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-14 08:08:43,788 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-14 08:08:43,788 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-14 08:08:43,789 INFO L275 PluginConnector]: CDTParser initialized [2022-12-14 08:08:43,790 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20efdfd4-3dac-4c0e-975e-41eae6cfec6f/bin/utaipan-gh47qXpMRh/../../sv-benchmarks/c/uthash-2.0.2/uthash_JEN_test3-1.i [2022-12-14 08:08:46,341 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-14 08:08:46,564 INFO L351 CDTParser]: Found 1 translation units. [2022-12-14 08:08:46,564 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20efdfd4-3dac-4c0e-975e-41eae6cfec6f/sv-benchmarks/c/uthash-2.0.2/uthash_JEN_test3-1.i [2022-12-14 08:08:46,575 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20efdfd4-3dac-4c0e-975e-41eae6cfec6f/bin/utaipan-gh47qXpMRh/data/ae56e3d2a/0286ca8adfcd430baf8ba728200ad61c/FLAG6e767cd61 [2022-12-14 08:08:46,927 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20efdfd4-3dac-4c0e-975e-41eae6cfec6f/bin/utaipan-gh47qXpMRh/data/ae56e3d2a/0286ca8adfcd430baf8ba728200ad61c [2022-12-14 08:08:46,931 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-14 08:08:46,933 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-14 08:08:46,935 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-14 08:08:46,935 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-14 08:08:46,940 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-14 08:08:46,941 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 08:08:46" (1/1) ... [2022-12-14 08:08:46,942 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6df643c9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:08:46, skipping insertion in model container [2022-12-14 08:08:46,942 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 08:08:46" (1/1) ... [2022-12-14 08:08:46,950 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-14 08:08:46,982 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-14 08:08:47,219 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_20efdfd4-3dac-4c0e-975e-41eae6cfec6f/sv-benchmarks/c/uthash-2.0.2/uthash_JEN_test3-1.i[33021,33034] [2022-12-14 08:08:47,277 WARN L623 FunctionHandler]: Unknown extern function memcmp [2022-12-14 08:08:47,284 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_20efdfd4-3dac-4c0e-975e-41eae6cfec6f/sv-benchmarks/c/uthash-2.0.2/uthash_JEN_test3-1.i[44590,44603] [2022-12-14 08:08:47,287 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 08:08:47,295 INFO L203 MainTranslator]: Completed pre-run [2022-12-14 08:08:47,319 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_20efdfd4-3dac-4c0e-975e-41eae6cfec6f/sv-benchmarks/c/uthash-2.0.2/uthash_JEN_test3-1.i[33021,33034] [2022-12-14 08:08:47,350 WARN L623 FunctionHandler]: Unknown extern function memcmp [2022-12-14 08:08:47,355 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_20efdfd4-3dac-4c0e-975e-41eae6cfec6f/sv-benchmarks/c/uthash-2.0.2/uthash_JEN_test3-1.i[44590,44603] [2022-12-14 08:08:47,357 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 08:08:47,379 INFO L208 MainTranslator]: Completed translation [2022-12-14 08:08:47,379 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:08:47 WrapperNode [2022-12-14 08:08:47,380 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-14 08:08:47,380 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-14 08:08:47,380 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-14 08:08:47,381 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-14 08:08:47,386 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:08:47" (1/1) ... [2022-12-14 08:08:47,404 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:08:47" (1/1) ... [2022-12-14 08:08:47,442 INFO L138 Inliner]: procedures = 177, calls = 285, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 1022 [2022-12-14 08:08:47,443 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-14 08:08:47,443 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-14 08:08:47,443 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-14 08:08:47,443 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-14 08:08:47,450 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:08:47" (1/1) ... [2022-12-14 08:08:47,450 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:08:47" (1/1) ... [2022-12-14 08:08:47,456 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:08:47" (1/1) ... [2022-12-14 08:08:47,457 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:08:47" (1/1) ... [2022-12-14 08:08:47,483 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:08:47" (1/1) ... [2022-12-14 08:08:47,490 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:08:47" (1/1) ... [2022-12-14 08:08:47,493 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:08:47" (1/1) ... [2022-12-14 08:08:47,496 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:08:47" (1/1) ... [2022-12-14 08:08:47,501 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-14 08:08:47,501 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-14 08:08:47,502 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-14 08:08:47,502 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-14 08:08:47,502 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:08:47" (1/1) ... [2022-12-14 08:08:47,507 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-14 08:08:47,516 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20efdfd4-3dac-4c0e-975e-41eae6cfec6f/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 08:08:47,526 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20efdfd4-3dac-4c0e-975e-41eae6cfec6f/bin/utaipan-gh47qXpMRh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-12-14 08:08:47,528 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20efdfd4-3dac-4c0e-975e-41eae6cfec6f/bin/utaipan-gh47qXpMRh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-12-14 08:08:47,575 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-12-14 08:08:47,575 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2022-12-14 08:08:47,575 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2022-12-14 08:08:47,575 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-12-14 08:08:47,575 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-12-14 08:08:47,575 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-12-14 08:08:47,575 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-12-14 08:08:47,575 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-14 08:08:47,575 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-12-14 08:08:47,575 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-12-14 08:08:47,575 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2022-12-14 08:08:47,575 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-12-14 08:08:47,575 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-14 08:08:47,575 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-14 08:08:47,576 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-14 08:08:47,576 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-14 08:08:47,720 INFO L235 CfgBuilder]: Building ICFG [2022-12-14 08:08:47,722 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-14 08:08:48,880 INFO L276 CfgBuilder]: Performing block encoding [2022-12-14 08:08:49,166 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-14 08:08:49,166 INFO L300 CfgBuilder]: Removed 63 assume(true) statements. [2022-12-14 08:08:49,169 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 08:08:49 BoogieIcfgContainer [2022-12-14 08:08:49,169 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-14 08:08:49,179 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-14 08:08:49,179 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-14 08:08:49,182 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-14 08:08:49,182 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.12 08:08:46" (1/3) ... [2022-12-14 08:08:49,183 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1baf12b7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.12 08:08:49, skipping insertion in model container [2022-12-14 08:08:49,183 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:08:47" (2/3) ... [2022-12-14 08:08:49,183 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1baf12b7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.12 08:08:49, skipping insertion in model container [2022-12-14 08:08:49,183 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 08:08:49" (3/3) ... [2022-12-14 08:08:49,184 INFO L112 eAbstractionObserver]: Analyzing ICFG uthash_JEN_test3-1.i [2022-12-14 08:08:49,199 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-14 08:08:49,199 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2022-12-14 08:08:49,236 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-12-14 08:08:49,241 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;@38f1a7a2, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-12-14 08:08:49,241 INFO L358 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2022-12-14 08:08:49,244 INFO L276 IsEmpty]: Start isEmpty. Operand has 123 states, 110 states have (on average 1.8) internal successors, (198), 117 states have internal predecessors, (198), 8 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 4 states have call predecessors, (8), 8 states have call successors, (8) [2022-12-14 08:08:49,250 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-12-14 08:08:49,250 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 08:08:49,251 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 08:08:49,251 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 08:08:49,255 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 08:08:49,255 INFO L85 PathProgramCache]: Analyzing trace with hash 1898435451, now seen corresponding path program 1 times [2022-12-14 08:08:49,262 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 08:08:49,262 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2002350726] [2022-12-14 08:08:49,262 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 08:08:49,263 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 08:08:49,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 08:08:49,379 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 08:08:49,380 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 08:08:49,380 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2002350726] [2022-12-14 08:08:49,380 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2002350726] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 08:08:49,380 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 08:08:49,380 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-14 08:08:49,382 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [775709934] [2022-12-14 08:08:49,382 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 08:08:49,385 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-12-14 08:08:49,385 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 08:08:49,406 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-12-14 08:08:49,406 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-12-14 08:08:49,408 INFO L87 Difference]: Start difference. First operand has 123 states, 110 states have (on average 1.8) internal successors, (198), 117 states have internal predecessors, (198), 8 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 4 states have call predecessors, (8), 8 states have call successors, (8) 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 08:08:49,750 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 08:08:49,750 INFO L93 Difference]: Finished difference Result 245 states and 432 transitions. [2022-12-14 08:08:49,754 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-12-14 08:08:49,755 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 08:08:49,755 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 08:08:49,761 INFO L225 Difference]: With dead ends: 245 [2022-12-14 08:08:49,761 INFO L226 Difference]: Without dead ends: 122 [2022-12-14 08:08:49,764 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 08:08:49,766 INFO L413 NwaCegarLoop]: 134 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 17 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 134 SdHoareTripleChecker+Invalid, 17 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 17 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-12-14 08:08:49,766 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 134 Invalid, 17 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 17 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-12-14 08:08:49,778 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 122 states. [2022-12-14 08:08:49,793 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 122 to 122. [2022-12-14 08:08:49,794 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 122 states, 110 states have (on average 1.2181818181818183) internal successors, (134), 116 states have internal predecessors, (134), 8 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 4 states have call predecessors, (8), 8 states have call successors, (8) [2022-12-14 08:08:49,795 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 122 states to 122 states and 150 transitions. [2022-12-14 08:08:49,796 INFO L78 Accepts]: Start accepts. Automaton has 122 states and 150 transitions. Word has length 8 [2022-12-14 08:08:49,797 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 08:08:49,797 INFO L495 AbstractCegarLoop]: Abstraction has 122 states and 150 transitions. [2022-12-14 08:08:49,797 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 08:08:49,797 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 150 transitions. [2022-12-14 08:08:49,797 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-12-14 08:08:49,798 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 08:08:49,798 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 08:08:49,798 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-12-14 08:08:49,798 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 08:08:49,798 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 08:08:49,799 INFO L85 PathProgramCache]: Analyzing trace with hash -94655351, now seen corresponding path program 1 times [2022-12-14 08:08:49,799 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 08:08:49,799 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1789027666] [2022-12-14 08:08:49,799 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 08:08:49,799 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 08:08:49,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 08:08:49,942 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 08:08:49,943 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 08:08:49,943 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1789027666] [2022-12-14 08:08:49,943 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1789027666] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 08:08:49,943 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 08:08:49,943 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-14 08:08:49,943 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [592311257] [2022-12-14 08:08:49,944 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 08:08:49,945 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-14 08:08:49,945 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 08:08:49,945 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-14 08:08:49,945 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-12-14 08:08:49,946 INFO L87 Difference]: Start difference. First operand 122 states and 150 transitions. Second operand has 4 states, 4 states have (on average 3.0) internal successors, (12), 3 states have internal predecessors, (12), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 08:08:51,670 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.06s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-12-14 08:08:51,786 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 08:08:51,786 INFO L93 Difference]: Finished difference Result 258 states and 326 transitions. [2022-12-14 08:08:51,790 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-12-14 08:08:51,791 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 3.0) internal successors, (12), 3 states have internal predecessors, (12), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 13 [2022-12-14 08:08:51,791 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 08:08:51,793 INFO L225 Difference]: With dead ends: 258 [2022-12-14 08:08:51,793 INFO L226 Difference]: Without dead ends: 189 [2022-12-14 08:08:51,794 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 08:08:51,794 INFO L413 NwaCegarLoop]: 128 mSDtfsCounter, 73 mSDsluCounter, 227 mSDsCounter, 0 mSdLazyCounter, 103 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 78 SdHoareTripleChecker+Valid, 355 SdHoareTripleChecker+Invalid, 105 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 103 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2022-12-14 08:08:51,795 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [78 Valid, 355 Invalid, 105 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 103 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2022-12-14 08:08:51,796 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 189 states. [2022-12-14 08:08:51,805 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 189 to 124. [2022-12-14 08:08:51,805 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 124 states, 112 states have (on average 1.2142857142857142) internal successors, (136), 118 states have internal predecessors, (136), 8 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 4 states have call predecessors, (8), 8 states have call successors, (8) [2022-12-14 08:08:51,807 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 124 states and 152 transitions. [2022-12-14 08:08:51,807 INFO L78 Accepts]: Start accepts. Automaton has 124 states and 152 transitions. Word has length 13 [2022-12-14 08:08:51,807 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 08:08:51,807 INFO L495 AbstractCegarLoop]: Abstraction has 124 states and 152 transitions. [2022-12-14 08:08:51,807 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 3.0) internal successors, (12), 3 states have internal predecessors, (12), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 08:08:51,807 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 152 transitions. [2022-12-14 08:08:51,808 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2022-12-14 08:08:51,808 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 08:08:51,809 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] [2022-12-14 08:08:51,809 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-12-14 08:08:51,809 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 08:08:51,809 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 08:08:51,809 INFO L85 PathProgramCache]: Analyzing trace with hash 339208180, now seen corresponding path program 1 times [2022-12-14 08:08:51,810 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 08:08:51,810 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [732998935] [2022-12-14 08:08:51,810 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 08:08:51,810 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 08:08:51,912 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-12-14 08:08:51,913 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [825751799] [2022-12-14 08:08:51,913 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 08:08:51,913 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 08:08:51,913 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20efdfd4-3dac-4c0e-975e-41eae6cfec6f/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 08:08:51,914 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20efdfd4-3dac-4c0e-975e-41eae6cfec6f/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-14 08:08:51,915 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20efdfd4-3dac-4c0e-975e-41eae6cfec6f/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-12-14 08:08:52,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 08:08:52,465 INFO L263 TraceCheckSpWp]: Trace formula consists of 1630 conjuncts, 5 conjunts are in the unsatisfiable core [2022-12-14 08:08:52,471 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 08:08:52,531 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 08:08:52,532 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-14 08:08:52,532 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 08:08:52,532 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [732998935] [2022-12-14 08:08:52,532 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-12-14 08:08:52,532 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [825751799] [2022-12-14 08:08:52,532 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [825751799] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 08:08:52,532 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 08:08:52,533 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-14 08:08:52,533 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [996473983] [2022-12-14 08:08:52,533 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 08:08:52,533 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-14 08:08:52,533 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 08:08:52,534 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-14 08:08:52,534 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 08:08:52,534 INFO L87 Difference]: Start difference. First operand 124 states and 152 transitions. Second operand has 3 states, 3 states have (on average 12.0) internal successors, (36), 2 states have internal predecessors, (36), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 08:08:53,434 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 08:08:53,434 INFO L93 Difference]: Finished difference Result 304 states and 377 transitions. [2022-12-14 08:08:53,438 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-14 08:08:53,438 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 12.0) internal successors, (36), 2 states have internal predecessors, (36), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 37 [2022-12-14 08:08:53,438 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 08:08:53,439 INFO L225 Difference]: With dead ends: 304 [2022-12-14 08:08:53,439 INFO L226 Difference]: Without dead ends: 183 [2022-12-14 08:08:53,440 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 35 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 08:08:53,440 INFO L413 NwaCegarLoop]: 165 mSDtfsCounter, 58 mSDsluCounter, 113 mSDsCounter, 0 mSdLazyCounter, 55 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 65 SdHoareTripleChecker+Valid, 278 SdHoareTripleChecker+Invalid, 60 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 55 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2022-12-14 08:08:53,441 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [65 Valid, 278 Invalid, 60 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 55 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2022-12-14 08:08:53,441 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 183 states. [2022-12-14 08:08:53,447 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 183 to 167. [2022-12-14 08:08:53,448 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 167 states, 155 states have (on average 1.1935483870967742) internal successors, (185), 161 states have internal predecessors, (185), 8 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 4 states have call predecessors, (8), 8 states have call successors, (8) [2022-12-14 08:08:53,448 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 167 states to 167 states and 201 transitions. [2022-12-14 08:08:53,449 INFO L78 Accepts]: Start accepts. Automaton has 167 states and 201 transitions. Word has length 37 [2022-12-14 08:08:53,449 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 08:08:53,449 INFO L495 AbstractCegarLoop]: Abstraction has 167 states and 201 transitions. [2022-12-14 08:08:53,449 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 12.0) internal successors, (36), 2 states have internal predecessors, (36), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 08:08:53,449 INFO L276 IsEmpty]: Start isEmpty. Operand 167 states and 201 transitions. [2022-12-14 08:08:53,450 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2022-12-14 08:08:53,450 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 08:08:53,450 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] [2022-12-14 08:08:53,459 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20efdfd4-3dac-4c0e-975e-41eae6cfec6f/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-12-14 08:08:53,650 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20efdfd4-3dac-4c0e-975e-41eae6cfec6f/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 08:08:53,652 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 08:08:53,653 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 08:08:53,653 INFO L85 PathProgramCache]: Analyzing trace with hash -1571641394, now seen corresponding path program 1 times [2022-12-14 08:08:53,654 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 08:08:53,654 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1055994748] [2022-12-14 08:08:53,654 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 08:08:53,655 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 08:08:53,732 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-12-14 08:08:53,733 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1169260511] [2022-12-14 08:08:53,733 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 08:08:53,733 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 08:08:53,733 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20efdfd4-3dac-4c0e-975e-41eae6cfec6f/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 08:08:53,734 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20efdfd4-3dac-4c0e-975e-41eae6cfec6f/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-14 08:08:53,735 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20efdfd4-3dac-4c0e-975e-41eae6cfec6f/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-12-14 08:08:54,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 08:08:54,041 INFO L263 TraceCheckSpWp]: Trace formula consists of 767 conjuncts, 5 conjunts are in the unsatisfiable core [2022-12-14 08:08:54,044 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 08:08:54,085 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2022-12-14 08:08:54,094 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 7 [2022-12-14 08:08:54,100 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2022-12-14 08:08:54,100 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-14 08:08:54,100 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 08:08:54,101 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1055994748] [2022-12-14 08:08:54,101 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-12-14 08:08:54,101 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1169260511] [2022-12-14 08:08:54,101 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1169260511] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 08:08:54,101 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 08:08:54,101 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-12-14 08:08:54,101 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1312292138] [2022-12-14 08:08:54,102 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 08:08:54,102 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-14 08:08:54,102 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 08:08:54,103 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-14 08:08:54,103 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-12-14 08:08:54,103 INFO L87 Difference]: Start difference. First operand 167 states and 201 transitions. Second operand has 4 states, 4 states have (on average 10.5) internal successors, (42), 4 states have internal predecessors, (42), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-12-14 08:08:55,367 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 08:08:55,367 INFO L93 Difference]: Finished difference Result 231 states and 285 transitions. [2022-12-14 08:08:55,370 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-12-14 08:08:55,370 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 10.5) internal successors, (42), 4 states have internal predecessors, (42), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 50 [2022-12-14 08:08:55,371 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 08:08:55,371 INFO L225 Difference]: With dead ends: 231 [2022-12-14 08:08:55,371 INFO L226 Difference]: Without dead ends: 212 [2022-12-14 08:08:55,372 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 47 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 08:08:55,372 INFO L413 NwaCegarLoop]: 125 mSDtfsCounter, 47 mSDsluCounter, 229 mSDsCounter, 0 mSdLazyCounter, 94 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 47 SdHoareTripleChecker+Valid, 354 SdHoareTripleChecker+Invalid, 95 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 94 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2022-12-14 08:08:55,373 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [47 Valid, 354 Invalid, 95 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 94 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2022-12-14 08:08:55,373 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 212 states. [2022-12-14 08:08:55,379 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 212 to 169. [2022-12-14 08:08:55,379 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 169 states, 157 states have (on average 1.1910828025477707) internal successors, (187), 163 states have internal predecessors, (187), 8 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 4 states have call predecessors, (8), 8 states have call successors, (8) [2022-12-14 08:08:55,380 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 169 states to 169 states and 203 transitions. [2022-12-14 08:08:55,380 INFO L78 Accepts]: Start accepts. Automaton has 169 states and 203 transitions. Word has length 50 [2022-12-14 08:08:55,380 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 08:08:55,380 INFO L495 AbstractCegarLoop]: Abstraction has 169 states and 203 transitions. [2022-12-14 08:08:55,381 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 10.5) internal successors, (42), 4 states have internal predecessors, (42), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-12-14 08:08:55,381 INFO L276 IsEmpty]: Start isEmpty. Operand 169 states and 203 transitions. [2022-12-14 08:08:55,381 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2022-12-14 08:08:55,381 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 08:08:55,382 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 08:08:55,387 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20efdfd4-3dac-4c0e-975e-41eae6cfec6f/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2022-12-14 08:08:55,582 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20efdfd4-3dac-4c0e-975e-41eae6cfec6f/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 08:08:55,583 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 08:08:55,584 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 08:08:55,585 INFO L85 PathProgramCache]: Analyzing trace with hash 2144578966, now seen corresponding path program 1 times [2022-12-14 08:08:55,585 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 08:08:55,586 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [670558557] [2022-12-14 08:08:55,586 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 08:08:55,586 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 08:08:55,659 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-12-14 08:08:55,659 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [786754142] [2022-12-14 08:08:55,660 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 08:08:55,660 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 08:08:55,660 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20efdfd4-3dac-4c0e-975e-41eae6cfec6f/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 08:08:55,661 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20efdfd4-3dac-4c0e-975e-41eae6cfec6f/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-14 08:08:55,661 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20efdfd4-3dac-4c0e-975e-41eae6cfec6f/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-12-14 08:08:55,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 08:08:56,003 INFO L263 TraceCheckSpWp]: Trace formula consists of 796 conjuncts, 5 conjunts are in the unsatisfiable core [2022-12-14 08:08:56,005 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 08:08:56,059 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 08:08:56,059 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-14 08:08:56,059 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 08:08:56,059 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [670558557] [2022-12-14 08:08:56,060 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-12-14 08:08:56,060 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [786754142] [2022-12-14 08:08:56,060 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [786754142] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 08:08:56,060 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 08:08:56,060 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-12-14 08:08:56,060 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2019570084] [2022-12-14 08:08:56,060 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 08:08:56,061 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-14 08:08:56,061 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 08:08:56,061 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-14 08:08:56,061 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-12-14 08:08:56,062 INFO L87 Difference]: Start difference. First operand 169 states and 203 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 08:08:56,697 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 08:08:56,697 INFO L93 Difference]: Finished difference Result 395 states and 492 transitions. [2022-12-14 08:08:56,697 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-12-14 08:08:56,698 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 08:08:56,698 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 08:08:56,699 INFO L225 Difference]: With dead ends: 395 [2022-12-14 08:08:56,699 INFO L226 Difference]: Without dead ends: 242 [2022-12-14 08:08:56,699 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 08:08:56,700 INFO L413 NwaCegarLoop]: 147 mSDtfsCounter, 260 mSDsluCounter, 143 mSDsCounter, 0 mSdLazyCounter, 88 mSolverCounterSat, 14 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 265 SdHoareTripleChecker+Valid, 290 SdHoareTripleChecker+Invalid, 102 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 88 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-12-14 08:08:56,700 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [265 Valid, 290 Invalid, 102 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [14 Valid, 88 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-12-14 08:08:56,701 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 242 states. [2022-12-14 08:08:56,709 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 242 to 214. [2022-12-14 08:08:56,709 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 214 states, 202 states have (on average 1.193069306930693) internal successors, (241), 208 states have internal predecessors, (241), 8 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 4 states have call predecessors, (8), 8 states have call successors, (8) [2022-12-14 08:08:56,710 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 214 states to 214 states and 257 transitions. [2022-12-14 08:08:56,710 INFO L78 Accepts]: Start accepts. Automaton has 214 states and 257 transitions. Word has length 57 [2022-12-14 08:08:56,710 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 08:08:56,710 INFO L495 AbstractCegarLoop]: Abstraction has 214 states and 257 transitions. [2022-12-14 08:08:56,710 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 08:08:56,711 INFO L276 IsEmpty]: Start isEmpty. Operand 214 states and 257 transitions. [2022-12-14 08:08:56,711 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2022-12-14 08:08:56,711 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 08:08:56,712 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 08:08:56,718 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20efdfd4-3dac-4c0e-975e-41eae6cfec6f/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2022-12-14 08:08:56,912 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20efdfd4-3dac-4c0e-975e-41eae6cfec6f/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 08:08:56,913 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 08:08:56,914 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 08:08:56,914 INFO L85 PathProgramCache]: Analyzing trace with hash 2121750984, now seen corresponding path program 1 times [2022-12-14 08:08:56,914 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 08:08:56,914 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [879065357] [2022-12-14 08:08:56,914 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 08:08:56,914 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 08:08:56,989 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-12-14 08:08:56,990 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [41672150] [2022-12-14 08:08:56,990 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 08:08:56,990 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 08:08:56,990 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20efdfd4-3dac-4c0e-975e-41eae6cfec6f/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 08:08:56,991 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20efdfd4-3dac-4c0e-975e-41eae6cfec6f/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-14 08:08:56,992 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20efdfd4-3dac-4c0e-975e-41eae6cfec6f/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-12-14 08:09:06,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 08:09:06,985 INFO L263 TraceCheckSpWp]: Trace formula consists of 822 conjuncts, 7 conjunts are in the unsatisfiable core [2022-12-14 08:09:06,987 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 08:09:07,002 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-12-14 08:09:07,002 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-14 08:09:07,002 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 08:09:07,002 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [879065357] [2022-12-14 08:09:07,002 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-12-14 08:09:07,002 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [41672150] [2022-12-14 08:09:07,003 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [41672150] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 08:09:07,003 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 08:09:07,003 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-12-14 08:09:07,003 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [767769891] [2022-12-14 08:09:07,003 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 08:09:07,004 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-14 08:09:07,004 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 08:09:07,004 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-14 08:09:07,004 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-12-14 08:09:07,004 INFO L87 Difference]: Start difference. First operand 214 states and 257 transitions. Second operand has 4 states, 3 states have (on average 20.0) internal successors, (60), 4 states have internal predecessors, (60), 1 states have call successors, (2), 1 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) [2022-12-14 08:09:07,781 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 08:09:07,782 INFO L93 Difference]: Finished difference Result 411 states and 498 transitions. [2022-12-14 08:09:07,784 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-12-14 08:09:07,784 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), 1 states have call successors, (2), 1 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) Word has length 64 [2022-12-14 08:09:07,785 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 08:09:07,785 INFO L225 Difference]: With dead ends: 411 [2022-12-14 08:09:07,785 INFO L226 Difference]: Without dead ends: 216 [2022-12-14 08:09:07,786 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 08:09:07,787 INFO L413 NwaCegarLoop]: 132 mSDtfsCounter, 1 mSDsluCounter, 260 mSDsCounter, 0 mSdLazyCounter, 57 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 392 SdHoareTripleChecker+Invalid, 58 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 57 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2022-12-14 08:09:07,787 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 392 Invalid, 58 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 57 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2022-12-14 08:09:07,787 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 216 states. [2022-12-14 08:09:07,799 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 216 to 216. [2022-12-14 08:09:07,799 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 216 states, 203 states have (on average 1.1970443349753694) internal successors, (243), 210 states have internal predecessors, (243), 8 states have call successors, (8), 2 states have call predecessors, (8), 3 states have return successors, (9), 4 states have call predecessors, (9), 8 states have call successors, (9) [2022-12-14 08:09:07,801 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 216 states and 260 transitions. [2022-12-14 08:09:07,801 INFO L78 Accepts]: Start accepts. Automaton has 216 states and 260 transitions. Word has length 64 [2022-12-14 08:09:07,801 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 08:09:07,801 INFO L495 AbstractCegarLoop]: Abstraction has 216 states and 260 transitions. [2022-12-14 08:09:07,801 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), 1 states have call successors, (2), 1 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) [2022-12-14 08:09:07,801 INFO L276 IsEmpty]: Start isEmpty. Operand 216 states and 260 transitions. [2022-12-14 08:09:07,803 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2022-12-14 08:09:07,803 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 08:09:07,803 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 08:09:07,820 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20efdfd4-3dac-4c0e-975e-41eae6cfec6f/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2022-12-14 08:09:08,004 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20efdfd4-3dac-4c0e-975e-41eae6cfec6f/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 08:09:08,005 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 08:09:08,006 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 08:09:08,006 INFO L85 PathProgramCache]: Analyzing trace with hash -869473738, now seen corresponding path program 1 times [2022-12-14 08:09:08,006 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 08:09:08,006 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [682842249] [2022-12-14 08:09:08,007 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 08:09:08,007 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 08:09:08,080 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-12-14 08:09:08,080 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1756395516] [2022-12-14 08:09:08,080 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 08:09:08,080 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 08:09:08,081 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20efdfd4-3dac-4c0e-975e-41eae6cfec6f/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 08:09:08,081 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20efdfd4-3dac-4c0e-975e-41eae6cfec6f/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-14 08:09:08,082 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20efdfd4-3dac-4c0e-975e-41eae6cfec6f/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2022-12-14 08:09:40,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 08:09:40,252 INFO L263 TraceCheckSpWp]: Trace formula consists of 852 conjuncts, 7 conjunts are in the unsatisfiable core [2022-12-14 08:09:40,254 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 08:09:40,279 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 08:09:40,279 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-14 08:09:40,336 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 08:09:40,337 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 08:09:40,337 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [682842249] [2022-12-14 08:09:40,337 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-12-14 08:09:40,337 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1756395516] [2022-12-14 08:09:40,337 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1756395516] provided 0 perfect and 2 imperfect interpolant sequences [2022-12-14 08:09:40,337 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1163229755] [2022-12-14 08:09:40,354 INFO L159 IcfgInterpreter]: Started Sifa with 60 locations of interest [2022-12-14 08:09:40,354 INFO L166 IcfgInterpreter]: Building call graph [2022-12-14 08:09:40,358 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-12-14 08:09:40,363 INFO L176 IcfgInterpreter]: Starting interpretation [2022-12-14 08:09:40,364 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-12-14 08:09:40,443 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 08:09:40,447 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 08:09:40,452 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:09:40,463 INFO L321 Elim1Store]: treesize reduction 11, result has 45.0 percent of original size [2022-12-14 08:09:40,464 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 17 treesize of output 26 [2022-12-14 08:09:40,472 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:09:40,473 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 28 [2022-12-14 08:09:40,482 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:09:40,495 INFO L321 Elim1Store]: treesize reduction 18, result has 35.7 percent of original size [2022-12-14 08:09:40,495 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 08:09:40,531 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:09:40,535 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:09:40,537 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:09:40,538 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:09:40,539 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:09:40,551 INFO L321 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2022-12-14 08:09:40,551 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 8 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 52 treesize of output 53 [2022-12-14 08:09:40,566 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:09:40,567 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:09:40,590 INFO L321 Elim1Store]: treesize reduction 20, result has 48.7 percent of original size [2022-12-14 08:09:40,591 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 08:09:40,611 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:09:40,612 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 7 [2022-12-14 08:09:40,621 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:09:40,622 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:09:40,648 INFO L321 Elim1Store]: treesize reduction 36, result has 34.5 percent of original size [2022-12-14 08:09:40,648 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 08:09:40,668 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:09:40,669 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 08:09:40,917 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:09:40,918 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:09:40,919 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:09:40,920 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:09:40,920 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:09:40,921 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:09:40,921 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:09:40,922 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:09:40,923 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:09:40,923 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:09:40,924 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:09:40,925 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:09:40,925 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:09:40,926 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:09:40,927 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:09:40,937 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 08:09:40,957 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:09:40,958 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:09:40,959 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:09:40,959 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:09:40,960 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:09:40,961 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:09:40,962 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:09:40,962 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:09:40,963 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:09:40,964 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:09:40,964 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:09:40,965 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:09:40,966 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:09:40,966 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:09:40,967 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:09:40,968 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:09:40,968 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:09:40,970 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 9897007 treesize of output 5376300 [2022-12-14 08:09:40,997 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 08:09:41,009 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 08:09:41,050 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 08:09:41,058 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 08:09:41,071 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:09:41,072 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:09:41,073 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:09:41,073 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:09:41,074 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:09:41,075 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:09:41,076 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:09:41,077 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:09:41,077 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:09:41,078 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:09:41,079 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:09:41,080 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:09:41,080 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:09:41,081 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:09:41,082 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:09:41,083 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:09:41,083 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:09:41,084 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:09:41,085 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:09:41,102 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 08:09:41,122 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:09:41,123 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:09:41,123 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:09:41,124 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:09:41,125 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:09:41,125 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:09:41,126 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:09:41,127 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:09:41,127 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:09:41,128 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:09:41,129 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:09:41,129 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:09:41,130 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:09:41,131 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:09:41,131 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:09:41,132 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:09:41,133 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:09:41,133 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:09:41,134 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:09:41,136 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 08:09:41,175 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:09:41,176 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:09:41,177 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:09:41,178 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:09:41,178 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:09:41,179 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:09:41,180 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:09:41,180 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:09:41,181 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:09:41,181 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:09:41,182 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:09:41,183 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:09:41,183 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:09:41,184 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:09:41,185 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:09:41,185 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:09:41,186 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:09:41,186 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:09:41,187 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:09:41,189 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 08:09:41,218 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 08:09:41,230 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:09:41,231 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:09:41,232 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:09:41,269 INFO L321 Elim1Store]: treesize reduction 48, result has 48.9 percent of original size [2022-12-14 08:09:41,269 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 08:09:41,283 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:09:41,287 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:09:41,288 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:09:41,326 INFO L321 Elim1Store]: treesize reduction 90, result has 33.8 percent of original size [2022-12-14 08:09:41,327 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 08:09:41,353 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 08:09:41,518 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 13 treesize of output 9 [2022-12-14 08:09:41,522 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2022-12-14 08:09:41,526 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2022-12-14 08:09:41,571 INFO L321 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2022-12-14 08:09:41,572 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 51 treesize of output 54 [2022-12-14 08:09:41,596 INFO L321 Elim1Store]: treesize reduction 15, result has 42.3 percent of original size [2022-12-14 08:09:41,596 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 49 treesize of output 52 [2022-12-14 08:09:41,615 INFO L321 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2022-12-14 08:09:41,615 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 43 treesize of output 46 [2022-12-14 08:09:41,646 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 08:09:41,650 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 08:09:41,656 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 08:09:41,708 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 08:09:41,728 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 08:09:41,749 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:09:41,750 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:09:41,751 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:09:41,752 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:09:41,752 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:09:41,753 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:09:41,754 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:09:41,755 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:09:41,756 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:09:41,757 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:09:41,757 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:09:41,758 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:09:41,759 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:09:41,760 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:09:41,761 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:09:41,763 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 10 select indices, 10 select index equivalence classes, 30 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 0 case distinctions, treesize of input 8458573 treesize of output 4759755 [2022-12-14 08:09:41,936 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 08:09:41,956 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:09:41,957 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:09:41,958 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:09:41,959 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:09:41,960 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:09:41,961 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:09:41,961 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:09:41,962 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:09:41,963 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:09:41,965 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:09:41,966 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:09:41,967 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:09:41,968 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:09:41,968 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:09:41,969 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:09:41,971 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 10 select indices, 10 select index equivalence classes, 30 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 0 case distinctions, treesize of input 8458573 treesize of output 4759755 [2022-12-14 08:09:41,987 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 08:09:42,700 INFO L217 Elim1Store]: Index analysis took 477 ms [2022-12-14 08:09:46,626 INFO L321 Elim1Store]: treesize reduction 190, result has 18.1 percent of original size [2022-12-14 08:09:46,627 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 08:09:47,507 INFO L217 Elim1Store]: Index analysis took 736 ms [2022-12-14 08:09:47,960 INFO L321 Elim1Store]: treesize reduction 87, result has 5.4 percent of original size [2022-12-14 08:09:47,961 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 08:09:55,901 WARN L233 SmtUtils]: Spent 7.84s 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 08:09:55,902 INFO L321 Elim1Store]: treesize reduction 340, result has 16.0 percent of original size [2022-12-14 08:09:55,902 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 1476 [2022-12-14 08:09:56,187 INFO L217 Elim1Store]: Index analysis took 121 ms [2022-12-14 08:10:16,996 WARN L233 SmtUtils]: Spent 20.81s 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 08:10:16,997 INFO L321 Elim1Store]: treesize reduction 266, result has 31.6 percent of original size [2022-12-14 08:10:16,997 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 1834 [2022-12-14 08:10:18,545 INFO L217 Elim1Store]: Index analysis took 1126 ms [2022-12-14 08:10:42,282 WARN L233 SmtUtils]: Spent 22.88s 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 08:10:42,283 INFO L321 Elim1Store]: treesize reduction 13218, result has 27.3 percent of original size [2022-12-14 08:10:42,283 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 3622 treesize of output 7921 [2022-12-14 08:10:43,361 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 08:10:43,362 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 90 treesize of output 69 [2022-12-14 08:10:43,489 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:10:43,514 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:10:43,514 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 08:10:43,516 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 69 treesize of output 55 [2022-12-14 08:10:44,396 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:10:44,397 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 24 treesize of output 14 [2022-12-14 08:10:44,453 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:10:44,454 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 11 [2022-12-14 08:10:47,303 INFO L321 Elim1Store]: treesize reduction 550, result has 14.1 percent of original size [2022-12-14 08:10:47,304 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 14 stores, 2 select indices, 2 select index equivalence classes, 5 disjoint index pairs (out of 1 index pairs), introduced 16 new quantified variables, introduced 18 case distinctions, treesize of input 51016 treesize of output 53256 [2022-12-14 08:10:53,463 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-12-14 08:10:54,002 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-12-14 08:10:54,003 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 3 new quantified variables, introduced 2 case distinctions, treesize of input 40846 treesize of output 40854 [2022-12-14 08:10:54,754 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-12-14 08:11:00,922 INFO L321 Elim1Store]: treesize reduction 185, result has 49.9 percent of original size [2022-12-14 08:11:00,923 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 3 new quantified variables, introduced 2 case distinctions, treesize of input 66514 treesize of output 65984 [2022-12-14 08:11:01,810 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 43142 treesize of output 43102 [2022-12-14 08:11:03,462 INFO L321 Elim1Store]: treesize reduction 17, result has 48.5 percent of original size [2022-12-14 08:11:03,463 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 3 new quantified variables, introduced 2 case distinctions, treesize of input 40846 treesize of output 40828 [2022-12-14 08:11:04,246 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 08:11:06,321 INFO L321 Elim1Store]: treesize reduction 45, result has 49.4 percent of original size [2022-12-14 08:11:06,322 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 3 new quantified variables, introduced 2 case distinctions, treesize of input 56608 treesize of output 56496 [2022-12-14 08:11:35,481 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 08:11:35,937 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 08:11:35,938 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 08:11:36,164 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 08:11:37,318 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 08:11:38,722 INFO L217 Elim1Store]: Index analysis took 5735 ms [2022-12-14 08:11:38,723 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 08:11:38,723 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 08:11:38,724 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 08:11:38,725 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 08:11:38,725 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 08:11:38,726 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 08:11:38,726 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 08:11:38,727 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 08:11:38,727 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 08:11:38,728 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 08:11:38,730 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 13 stores, 1 select indices, 1 select index equivalence classes, 5 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 545 treesize of output 4453 [2022-12-14 08:11:38,878 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 08:11:40,393 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 08:11:43,097 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 08:11:44,323 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 08:11:44,516 INFO L217 Elim1Store]: Index analysis took 5024 ms [2022-12-14 08:11:44,517 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 08:11:44,518 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 08:11:44,518 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 08:11:44,519 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 08:11:44,520 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 08:11:44,521 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 08:11:44,521 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 08:11:44,522 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 08:11:44,522 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 08:11:44,523 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 08:11:44,524 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 13 stores, 0 select indices, 0 select index equivalence classes, 5 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 293 treesize of output 2247 [2022-12-14 08:11:45,447 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 08:11:45,523 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 08:11:47,815 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 08:11:48,403 INFO L217 Elim1Store]: Index analysis took 3653 ms [2022-12-14 08:11:48,404 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 08:11:48,404 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 08:11:48,405 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 08:11:48,405 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 08:11:48,406 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 08:11:48,407 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 08:11:48,407 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 08:11:48,408 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 08:11:48,408 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 08:11:48,408 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 08:11:48,410 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 13 stores, 0 select indices, 0 select index equivalence classes, 5 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 293 treesize of output 2257 [2022-12-14 08:11:48,713 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:11:48,775 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:11:48,776 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 42 treesize of output 24 [2022-12-14 08:11:49,758 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:11:49,794 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:11:50,044 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 08:11:51,229 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 08:11:51,296 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:11:51,314 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:11:51,612 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 08:11:51,934 INFO L217 Elim1Store]: Index analysis took 2769 ms [2022-12-14 08:11:51,936 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 08:11:51,936 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 08:11:51,937 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 08:11:51,938 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 08:11:51,938 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 08:11:51,939 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 08:11:51,939 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 08:11:51,940 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 08:11:51,940 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 08:11:51,941 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 08:11:51,943 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 13 stores, 0 select indices, 0 select index equivalence classes, 7 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 293 treesize of output 2269 [2022-12-14 08:11:52,200 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:11:52,221 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:11:52,222 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 44 treesize of output 26 [2022-12-14 08:11:52,479 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-12-14 08:11:53,717 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 08:11:53,821 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 08:11:54,164 INFO L217 Elim1Store]: Index analysis took 1615 ms [2022-12-14 08:11:54,166 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 08:11:54,167 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 08:11:54,168 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 08:11:54,168 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 08:11:54,169 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 08:11:54,170 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 08:11:54,170 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 08:11:54,171 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 08:11:54,172 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 08:11:54,174 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 16 stores, 0 select indices, 0 select index equivalence classes, 5 disjoint index pairs (out of 0 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 40009 treesize of output 43909 [2022-12-14 08:11:58,856 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 08:12:02,403 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 08:12:03,658 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 08:12:03,826 INFO L217 Elim1Store]: Index analysis took 5824 ms [2022-12-14 08:12:03,827 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 08:12:03,828 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 08:12:03,829 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 08:12:03,830 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 08:12:03,831 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 08:12:03,831 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 08:12:03,832 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 08:12:03,833 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 08:12:03,833 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 08:12:03,834 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 08:12:03,836 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 13 stores, 0 select indices, 0 select index equivalence classes, 5 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 293 treesize of output 2215 [2022-12-14 08:12:04,178 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:12:04,211 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:12:04,212 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 380 treesize of output 194 [2022-12-14 08:12:04,362 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-12-14 08:12:08,236 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 08:12:08,330 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 08:12:08,331 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 08:12:08,454 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 08:12:09,304 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 08:12:09,483 INFO L217 Elim1Store]: Index analysis took 4975 ms [2022-12-14 08:12:09,484 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 08:12:09,485 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 08:12:09,486 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 08:12:09,487 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 08:12:09,488 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 08:12:09,489 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 08:12:09,490 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 08:12:09,490 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 08:12:09,491 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 08:12:09,491 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 08:12:09,493 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 13 stores, 0 select indices, 0 select index equivalence classes, 5 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 507 treesize of output 3942 [2022-12-14 08:12:09,774 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-12-14 08:12:10,857 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 08:12:13,740 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 08:12:14,053 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 08:12:14,622 INFO L217 Elim1Store]: Index analysis took 4626 ms [2022-12-14 08:12:14,623 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 08:12:14,624 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 08:12:14,625 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 08:12:14,625 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 08:12:14,626 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 08:12:14,627 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 08:12:14,627 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 08:12:14,628 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 08:12:14,628 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 08:12:14,629 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 08:12:14,630 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 13 stores, 0 select indices, 0 select index equivalence classes, 5 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 293 treesize of output 2247 [2022-12-14 08:12:14,990 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:12:15,035 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:12:15,036 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 100 treesize of output 54 [2022-12-14 08:12:16,025 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 08:12:16,112 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 08:12:16,323 INFO L217 Elim1Store]: Index analysis took 1172 ms [2022-12-14 08:12:16,324 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 08:12:16,325 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 08:12:16,326 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 08:12:16,326 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 08:12:16,327 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 08:12:16,328 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 08:12:16,328 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 08:12:16,329 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 08:12:16,329 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 08:12:16,332 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 16 stores, 0 select indices, 0 select index equivalence classes, 5 disjoint index pairs (out of 0 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 34295 treesize of output 38205 [2022-12-14 08:12:29,561 INFO L217 Elim1Store]: Index analysis took 8969 ms [2022-12-14 08:12:30,857 INFO L321 Elim1Store]: treesize reduction 538, result has 3.8 percent of original size [2022-12-14 08:12:30,858 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 13 stores, 1 select indices, 1 select index equivalence classes, 5 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 14 case distinctions, treesize of input 403 treesize of output 2354 [2022-12-14 08:12:31,303 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:12:31,303 INFO L217 Elim1Store]: Index analysis took 249 ms [2022-12-14 08:12:31,725 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-12-14 08:12:31,725 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 87 treesize of output 79 [2022-12-14 08:12:31,996 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:12:32,006 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:12:32,007 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 42 treesize of output 24 [2022-12-14 08:12:35,753 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 08:12:37,552 INFO L217 Elim1Store]: Index analysis took 5359 ms [2022-12-14 08:12:38,262 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 13 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 316 treesize of output 2350 [2022-12-14 08:12:38,598 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 08:12:39,301 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 08:12:39,797 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 08:12:45,316 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 08:12:45,979 INFO L217 Elim1Store]: Index analysis took 7382 ms [2022-12-14 08:12:45,981 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 08:12:45,982 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 08:12:45,983 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 08:12:45,984 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 08:12:45,985 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 08:12:45,986 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 08:12:45,987 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 08:12:45,988 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 08:12:45,989 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 08:12:45,990 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 08:12:45,992 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 13 stores, 1 select indices, 1 select index equivalence classes, 5 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 1409 treesize of output 3388 [2022-12-14 08:12:46,357 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:12:46,407 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:12:46,408 INFO L217 Elim1Store]: Index analysis took 200 ms [2022-12-14 08:12:46,799 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-12-14 08:12:46,799 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 1093 treesize of output 919 [2022-12-14 08:12:47,267 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-12-14 08:12:47,843 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 08:12:49,501 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 08:12:52,058 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 08:12:57,422 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 08:12:59,198 INFO L217 Elim1Store]: Index analysis took 11356 ms [2022-12-14 08:12:59,200 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 08:12:59,201 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 08:12:59,202 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 08:12:59,203 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 08:12:59,204 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 08:12:59,205 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 08:12:59,206 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 08:12:59,207 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 08:12:59,208 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 08:12:59,209 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 08:12:59,210 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 13 stores, 1 select indices, 1 select index equivalence classes, 5 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 573 treesize of output 2471 [2022-12-14 08:12:59,779 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:12:59,903 INFO L217 Elim1Store]: Index analysis took 286 ms [2022-12-14 08:13:00,510 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-12-14 08:13:00,510 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 257 treesize of output 221 [2022-12-14 08:13:00,836 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-12-14 08:13:01,862 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:13:01,947 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:13:02,259 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 08:13:03,562 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 08:13:03,572 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:13:03,580 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:13:03,723 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 08:13:04,024 INFO L217 Elim1Store]: Index analysis took 2997 ms [2022-12-14 08:13:04,025 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 08:13:04,025 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 08:13:04,026 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 08:13:04,026 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 08:13:04,027 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 08:13:04,027 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 08:13:04,028 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 08:13:04,028 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 08:13:04,029 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 08:13:04,029 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 08:13:04,031 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 13 stores, 1 select indices, 1 select index equivalence classes, 7 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 349 treesize of output 2287 [2022-12-14 08:13:04,212 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 41 treesize of output 21 [2022-12-14 08:13:04,594 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-12-14 08:14:18,937 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:14:20,640 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 08:14:20,934 INFO L217 Elim1Store]: Index analysis took 1947 ms [2022-12-14 08:14:21,046 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 15 stores, 1 select indices, 1 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 1905 treesize of output 16050 [2022-12-14 08:14:22,331 INFO L217 Elim1Store]: Index analysis took 420 ms [2022-12-14 08:16:10,400 WARN L233 SmtUtils]: Spent 1.80m on a formula simplification. DAG size of input: 222 DAG size of output: 42 (called from [L 318] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2022-12-14 08:16:10,402 INFO L321 Elim1Store]: treesize reduction 1365, result has 5.7 percent of original size [2022-12-14 08:16:10,408 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 38 stores, 2 select indices, 2 select index equivalence classes, 5 disjoint index pairs (out of 1 index pairs), introduced 33 new quantified variables, introduced 68 case distinctions, treesize of input 5645 treesize of output 94048