./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/uthash-2.0.2/uthash_JEN_test1-2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 4e7fbc69 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_a038d238-b1a6-4fae-82b0-1b6ef9e4d6d3/bin/utaipan-Q6hlc19bkW/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a038d238-b1a6-4fae-82b0-1b6ef9e4d6d3/bin/utaipan-Q6hlc19bkW/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a038d238-b1a6-4fae-82b0-1b6ef9e4d6d3/bin/utaipan-Q6hlc19bkW/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a038d238-b1a6-4fae-82b0-1b6ef9e4d6d3/bin/utaipan-Q6hlc19bkW/config/TaipanReach.xml -i ../../sv-benchmarks/c/uthash-2.0.2/uthash_JEN_test1-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a038d238-b1a6-4fae-82b0-1b6ef9e4d6d3/bin/utaipan-Q6hlc19bkW/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a038d238-b1a6-4fae-82b0-1b6ef9e4d6d3/bin/utaipan-Q6hlc19bkW --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 60f6803c5e3744d9299e1af81cd011414f5ac623b556345642fa85a1d93686e4 --- 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-4e7fbc6 [2022-11-23 14:16:28,447 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-23 14:16:28,449 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-23 14:16:28,482 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-23 14:16:28,485 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-23 14:16:28,489 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-23 14:16:28,494 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-23 14:16:28,497 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-23 14:16:28,499 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-23 14:16:28,506 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-23 14:16:28,507 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-23 14:16:28,510 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-23 14:16:28,510 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-23 14:16:28,513 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-23 14:16:28,515 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-23 14:16:28,518 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-23 14:16:28,520 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-23 14:16:28,521 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-23 14:16:28,522 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-23 14:16:28,529 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-23 14:16:28,531 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-23 14:16:28,534 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-23 14:16:28,536 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-23 14:16:28,538 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-23 14:16:28,547 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-23 14:16:28,549 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-23 14:16:28,549 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-23 14:16:28,551 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-23 14:16:28,551 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-23 14:16:28,553 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-23 14:16:28,554 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-23 14:16:28,556 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-23 14:16:28,558 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-23 14:16:28,559 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-23 14:16:28,560 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-23 14:16:28,561 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-23 14:16:28,561 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-23 14:16:28,561 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-23 14:16:28,562 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-23 14:16:28,563 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-23 14:16:28,563 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-23 14:16:28,564 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a038d238-b1a6-4fae-82b0-1b6ef9e4d6d3/bin/utaipan-Q6hlc19bkW/config/svcomp-Reach-32bit-Taipan_Default.epf [2022-11-23 14:16:28,601 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-23 14:16:28,601 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-23 14:16:28,602 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-23 14:16:28,602 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-23 14:16:28,603 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-23 14:16:28,604 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-23 14:16:28,604 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-23 14:16:28,604 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-23 14:16:28,604 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-23 14:16:28,605 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-23 14:16:28,606 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-23 14:16:28,606 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-23 14:16:28,606 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-23 14:16:28,607 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-23 14:16:28,607 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-23 14:16:28,607 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-23 14:16:28,607 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-23 14:16:28,608 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-23 14:16:28,608 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-23 14:16:28,608 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-23 14:16:28,609 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-23 14:16:28,609 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-23 14:16:28,609 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-23 14:16:28,609 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-23 14:16:28,610 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-23 14:16:28,610 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-23 14:16:28,610 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-23 14:16:28,610 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-23 14:16:28,611 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-23 14:16:28,611 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-23 14:16:28,611 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-23 14:16:28,611 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-23 14:16:28,612 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-23 14:16:28,612 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-23 14:16:28,612 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-23 14:16:28,612 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-23 14:16:28,613 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-23 14:16:28,613 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-23 14:16:28,613 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-23 14:16:28,613 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-23 14:16:28,614 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-23 14:16:28,614 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_a038d238-b1a6-4fae-82b0-1b6ef9e4d6d3/bin/utaipan-Q6hlc19bkW/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a038d238-b1a6-4fae-82b0-1b6ef9e4d6d3/bin/utaipan-Q6hlc19bkW Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 60f6803c5e3744d9299e1af81cd011414f5ac623b556345642fa85a1d93686e4 [2022-11-23 14:16:28,925 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-23 14:16:28,955 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-23 14:16:28,957 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-23 14:16:28,958 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-23 14:16:28,959 INFO L275 PluginConnector]: CDTParser initialized [2022-11-23 14:16:28,960 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a038d238-b1a6-4fae-82b0-1b6ef9e4d6d3/bin/utaipan-Q6hlc19bkW/../../sv-benchmarks/c/uthash-2.0.2/uthash_JEN_test1-2.i [2022-11-23 14:16:32,127 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-23 14:16:32,530 INFO L351 CDTParser]: Found 1 translation units. [2022-11-23 14:16:32,537 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a038d238-b1a6-4fae-82b0-1b6ef9e4d6d3/sv-benchmarks/c/uthash-2.0.2/uthash_JEN_test1-2.i [2022-11-23 14:16:32,563 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a038d238-b1a6-4fae-82b0-1b6ef9e4d6d3/bin/utaipan-Q6hlc19bkW/data/88b9ace15/96f7463a4fcf452abf1aef1a340f7c3a/FLAG55dd6151f [2022-11-23 14:16:32,586 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a038d238-b1a6-4fae-82b0-1b6ef9e4d6d3/bin/utaipan-Q6hlc19bkW/data/88b9ace15/96f7463a4fcf452abf1aef1a340f7c3a [2022-11-23 14:16:32,589 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-23 14:16:32,590 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-23 14:16:32,591 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-23 14:16:32,592 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-23 14:16:32,604 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-23 14:16:32,605 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 02:16:32" (1/1) ... [2022-11-23 14:16:32,607 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5b7b3e79 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:16:32, skipping insertion in model container [2022-11-23 14:16:32,607 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 02:16:32" (1/1) ... [2022-11-23 14:16:32,615 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-23 14:16:32,667 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-23 14:16:33,084 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_a038d238-b1a6-4fae-82b0-1b6ef9e4d6d3/sv-benchmarks/c/uthash-2.0.2/uthash_JEN_test1-2.i[33021,33034] [2022-11-23 14:16:33,227 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-23 14:16:33,246 INFO L203 MainTranslator]: Completed pre-run [2022-11-23 14:16:33,304 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_a038d238-b1a6-4fae-82b0-1b6ef9e4d6d3/sv-benchmarks/c/uthash-2.0.2/uthash_JEN_test1-2.i[33021,33034] [2022-11-23 14:16:33,364 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-23 14:16:33,415 INFO L208 MainTranslator]: Completed translation [2022-11-23 14:16:33,416 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:16:33 WrapperNode [2022-11-23 14:16:33,416 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-23 14:16:33,417 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-23 14:16:33,417 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-23 14:16:33,417 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-23 14:16:33,425 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:16:33" (1/1) ... [2022-11-23 14:16:33,466 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:16:33" (1/1) ... [2022-11-23 14:16:33,542 INFO L138 Inliner]: procedures = 177, calls = 237, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 772 [2022-11-23 14:16:33,542 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-23 14:16:33,543 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-23 14:16:33,543 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-23 14:16:33,544 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-23 14:16:33,554 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:16:33" (1/1) ... [2022-11-23 14:16:33,555 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:16:33" (1/1) ... [2022-11-23 14:16:33,562 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:16:33" (1/1) ... [2022-11-23 14:16:33,563 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:16:33" (1/1) ... [2022-11-23 14:16:33,628 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:16:33" (1/1) ... [2022-11-23 14:16:33,654 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:16:33" (1/1) ... [2022-11-23 14:16:33,663 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:16:33" (1/1) ... [2022-11-23 14:16:33,677 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:16:33" (1/1) ... [2022-11-23 14:16:33,683 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-23 14:16:33,689 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-23 14:16:33,689 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-23 14:16:33,690 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-23 14:16:33,691 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:16:33" (1/1) ... [2022-11-23 14:16:33,697 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-23 14:16:33,716 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a038d238-b1a6-4fae-82b0-1b6ef9e4d6d3/bin/utaipan-Q6hlc19bkW/z3 [2022-11-23 14:16:33,734 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a038d238-b1a6-4fae-82b0-1b6ef9e4d6d3/bin/utaipan-Q6hlc19bkW/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-23 14:16:33,759 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a038d238-b1a6-4fae-82b0-1b6ef9e4d6d3/bin/utaipan-Q6hlc19bkW/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-23 14:16:33,779 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-23 14:16:33,779 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2022-11-23 14:16:33,779 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2022-11-23 14:16:33,780 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-23 14:16:33,780 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-11-23 14:16:33,780 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-11-23 14:16:33,780 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-23 14:16:33,780 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-23 14:16:33,781 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-23 14:16:33,781 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-23 14:16:33,781 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-23 14:16:33,781 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-23 14:16:33,781 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-23 14:16:33,782 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-23 14:16:33,782 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-23 14:16:34,073 INFO L235 CfgBuilder]: Building ICFG [2022-11-23 14:16:34,076 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-23 14:16:35,476 INFO L276 CfgBuilder]: Performing block encoding [2022-11-23 14:16:35,882 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-23 14:16:35,882 INFO L300 CfgBuilder]: Removed 40 assume(true) statements. [2022-11-23 14:16:35,885 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 02:16:35 BoogieIcfgContainer [2022-11-23 14:16:35,885 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-23 14:16:35,891 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-23 14:16:35,891 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-23 14:16:35,894 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-23 14:16:35,894 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 02:16:32" (1/3) ... [2022-11-23 14:16:35,897 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5dd8dd79 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 02:16:35, skipping insertion in model container [2022-11-23 14:16:35,897 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:16:33" (2/3) ... [2022-11-23 14:16:35,898 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5dd8dd79 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 02:16:35, skipping insertion in model container [2022-11-23 14:16:35,898 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 02:16:35" (3/3) ... [2022-11-23 14:16:35,899 INFO L112 eAbstractionObserver]: Analyzing ICFG uthash_JEN_test1-2.i [2022-11-23 14:16:35,924 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-23 14:16:35,924 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-23 14:16:35,995 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-23 14:16:36,002 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;@455f92ef, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-23 14:16:36,002 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-23 14:16:36,007 INFO L276 IsEmpty]: Start isEmpty. Operand has 95 states, 78 states have (on average 1.7820512820512822) internal successors, (139), 89 states have internal predecessors, (139), 13 states have call successors, (13), 2 states have call predecessors, (13), 2 states have return successors, (13), 4 states have call predecessors, (13), 13 states have call successors, (13) [2022-11-23 14:16:36,014 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-11-23 14:16:36,014 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 14:16:36,015 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 14:16:36,015 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-23 14:16:36,021 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 14:16:36,021 INFO L85 PathProgramCache]: Analyzing trace with hash 1188044108, now seen corresponding path program 1 times [2022-11-23 14:16:36,032 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 14:16:36,033 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [433433676] [2022-11-23 14:16:36,033 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 14:16:36,033 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 14:16:36,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 14:16:36,355 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-23 14:16:36,356 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 14:16:36,356 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [433433676] [2022-11-23 14:16:36,357 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [433433676] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 14:16:36,358 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 14:16:36,358 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-23 14:16:36,360 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1911173111] [2022-11-23 14:16:36,361 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 14:16:36,365 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-23 14:16:36,366 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-23 14:16:36,398 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-23 14:16:36,399 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-23 14:16:36,401 INFO L87 Difference]: Start difference. First operand has 95 states, 78 states have (on average 1.7820512820512822) internal successors, (139), 89 states have internal predecessors, (139), 13 states have call successors, (13), 2 states have call predecessors, (13), 2 states have return successors, (13), 4 states have call predecessors, (13), 13 states have call successors, (13) Second operand has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 2 states have internal predecessors, (7), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 14:16:37,386 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 14:16:37,388 INFO L93 Difference]: Finished difference Result 237 states and 426 transitions. [2022-11-23 14:16:37,392 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-23 14:16:37,394 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 2 states have internal predecessors, (7), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 8 [2022-11-23 14:16:37,394 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 14:16:37,415 INFO L225 Difference]: With dead ends: 237 [2022-11-23 14:16:37,415 INFO L226 Difference]: Without dead ends: 128 [2022-11-23 14:16:37,419 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-23 14:16:37,423 INFO L413 NwaCegarLoop]: 111 mSDtfsCounter, 49 mSDsluCounter, 108 mSDsCounter, 0 mSdLazyCounter, 35 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 52 SdHoareTripleChecker+Valid, 219 SdHoareTripleChecker+Invalid, 35 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 35 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2022-11-23 14:16:37,424 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [52 Valid, 219 Invalid, 35 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 35 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2022-11-23 14:16:37,439 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 128 states. [2022-11-23 14:16:37,468 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 128 to 81. [2022-11-23 14:16:37,469 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 81 states, 65 states have (on average 1.2769230769230768) internal successors, (83), 75 states have internal predecessors, (83), 13 states have call successors, (13), 2 states have call predecessors, (13), 2 states have return successors, (13), 4 states have call predecessors, (13), 13 states have call successors, (13) [2022-11-23 14:16:37,472 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 81 states and 109 transitions. [2022-11-23 14:16:37,473 INFO L78 Accepts]: Start accepts. Automaton has 81 states and 109 transitions. Word has length 8 [2022-11-23 14:16:37,474 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 14:16:37,474 INFO L495 AbstractCegarLoop]: Abstraction has 81 states and 109 transitions. [2022-11-23 14:16:37,475 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 2 states have internal predecessors, (7), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 14:16:37,475 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 109 transitions. [2022-11-23 14:16:37,478 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2022-11-23 14:16:37,478 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 14:16:37,479 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 14:16:37,479 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-23 14:16:37,479 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-23 14:16:37,480 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 14:16:37,480 INFO L85 PathProgramCache]: Analyzing trace with hash -1591518395, now seen corresponding path program 1 times [2022-11-23 14:16:37,480 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 14:16:37,481 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1544123257] [2022-11-23 14:16:37,481 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 14:16:37,481 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 14:16:37,692 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-23 14:16:37,692 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [933740231] [2022-11-23 14:16:37,693 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 14:16:37,693 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-23 14:16:37,693 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a038d238-b1a6-4fae-82b0-1b6ef9e4d6d3/bin/utaipan-Q6hlc19bkW/z3 [2022-11-23 14:16:37,699 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a038d238-b1a6-4fae-82b0-1b6ef9e4d6d3/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-23 14:16:37,719 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a038d238-b1a6-4fae-82b0-1b6ef9e4d6d3/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-11-23 14:16:38,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 14:16:38,515 INFO L263 TraceCheckSpWp]: Trace formula consists of 1576 conjuncts, 3 conjunts are in the unsatisfiable core [2022-11-23 14:16:38,523 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-23 14:16:38,617 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-23 14:16:38,617 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-23 14:16:38,685 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-23 14:16:38,686 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 14:16:38,686 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1544123257] [2022-11-23 14:16:38,687 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-23 14:16:38,687 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [933740231] [2022-11-23 14:16:38,687 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [933740231] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-23 14:16:38,688 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [104428487] [2022-11-23 14:16:38,711 INFO L159 IcfgInterpreter]: Started Sifa with 31 locations of interest [2022-11-23 14:16:38,712 INFO L166 IcfgInterpreter]: Building call graph [2022-11-23 14:16:38,716 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-23 14:16:38,723 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-23 14:16:38,723 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-23 14:16:38,873 INFO L321 Elim1Store]: treesize reduction 20, result has 48.7 percent of original size [2022-11-23 14:16:38,874 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 17 treesize of output 30 [2022-11-23 14:16:38,899 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:16:38,901 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 7 [2022-11-23 14:16:38,917 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:16:38,919 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 7 [2022-11-23 14:16:38,930 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:16:38,932 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:16:38,935 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:16:38,968 INFO L321 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2022-11-23 14:16:38,968 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 33 treesize of output 43 [2022-11-23 14:16:39,044 INFO L321 Elim1Store]: treesize reduction 36, result has 34.5 percent of original size [2022-11-23 14:16:39,045 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 27 treesize of output 41 [2022-11-23 14:16:39,573 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:16:39,577 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:16:39,578 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:16:39,580 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:16:39,582 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:16:39,583 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:16:39,584 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:16:39,586 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:16:39,587 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:16:39,588 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:16:39,590 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:16:39,593 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:16:39,635 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:16:39,652 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 25 disjoint index pairs (out of 28 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 9896990 treesize of output 5376278 [2022-11-23 14:16:39,702 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:16:39,703 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:16:39,704 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:16:39,706 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:16:39,707 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:16:39,708 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:16:39,710 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:16:39,711 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:16:39,712 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:16:39,713 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:16:39,719 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:16:39,721 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:16:39,722 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:16:39,725 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 25 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 0 case distinctions, treesize of input 9075036 treesize of output 5376290 [2022-11-23 14:16:39,769 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 19 [2022-11-23 14:16:39,795 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 19 [2022-11-23 14:16:40,285 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 19 [2022-11-23 14:16:40,313 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:16:40,316 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:16:40,317 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:16:40,319 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:16:40,321 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:16:40,323 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:16:40,324 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:16:40,326 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:16:40,327 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:16:40,329 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:16:40,330 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:16:40,332 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:16:40,334 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:16:40,352 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 25 disjoint index pairs (out of 28 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 9896990 treesize of output 5376278 [2022-11-23 14:16:40,396 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:16:40,398 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:16:40,399 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:16:40,400 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:16:40,401 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:16:40,403 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:16:40,404 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:16:40,405 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:16:40,406 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:16:40,407 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:16:40,409 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:16:40,410 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:16:40,411 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:16:40,414 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 25 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 0 case distinctions, treesize of input 9896988 treesize of output 5376290 [2022-11-23 14:16:40,454 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 19 [2022-11-23 14:16:40,488 INFO L180 IcfgInterpreter]: Interpretation finished [2022-11-23 14:16:48,798 WARN L233 SmtUtils]: Spent 5.49s on a formula simplification. DAG size of input: 219 DAG size of output: 208 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-23 14:16:56,119 WARN L233 SmtUtils]: Spent 5.21s on a formula simplification. DAG size of input: 235 DAG size of output: 224 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-23 14:16:56,125 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSifa [104428487] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 14:16:56,125 INFO L184 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2022-11-23 14:16:56,125 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [3, 3] total 11 [2022-11-23 14:16:56,126 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [617443598] [2022-11-23 14:16:56,127 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 14:16:56,128 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-11-23 14:16:56,128 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-23 14:16:56,128 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-11-23 14:16:56,129 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=61, Invalid=69, Unknown=2, NotChecked=0, Total=132 [2022-11-23 14:16:56,129 INFO L87 Difference]: Start difference. First operand 81 states and 109 transitions. Second operand has 8 states, 8 states have (on average 3.75) internal successors, (30), 7 states have internal predecessors, (30), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 14:16:59,936 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2022-11-23 14:17:02,013 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2022-11-23 14:17:03,396 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 14:17:03,396 INFO L93 Difference]: Finished difference Result 171 states and 229 transitions. [2022-11-23 14:17:03,401 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-11-23 14:17:03,401 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 3.75) internal successors, (30), 7 states have internal predecessors, (30), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 31 [2022-11-23 14:17:03,401 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 14:17:03,403 INFO L225 Difference]: With dead ends: 171 [2022-11-23 14:17:03,403 INFO L226 Difference]: Without dead ends: 92 [2022-11-23 14:17:03,403 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 92 GetRequests, 81 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 40 ImplicationChecksByTransitivity, 16.6s TimeCoverageRelationStatistics Valid=71, Invalid=83, Unknown=2, NotChecked=0, Total=156 [2022-11-23 14:17:03,405 INFO L413 NwaCegarLoop]: 93 mSDtfsCounter, 14 mSDsluCounter, 159 mSDsCounter, 0 mSdLazyCounter, 96 mSolverCounterSat, 7 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 14 SdHoareTripleChecker+Valid, 252 SdHoareTripleChecker+Invalid, 105 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 96 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.2s IncrementalHoareTripleChecker+Time [2022-11-23 14:17:03,405 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [14 Valid, 252 Invalid, 105 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 96 Invalid, 2 Unknown, 0 Unchecked, 6.2s Time] [2022-11-23 14:17:03,406 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 92 states. [2022-11-23 14:17:03,424 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 92 to 91. [2022-11-23 14:17:03,424 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 91 states, 75 states have (on average 1.24) internal successors, (93), 85 states have internal predecessors, (93), 13 states have call successors, (13), 2 states have call predecessors, (13), 2 states have return successors, (13), 4 states have call predecessors, (13), 13 states have call successors, (13) [2022-11-23 14:17:03,426 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 91 states and 119 transitions. [2022-11-23 14:17:03,426 INFO L78 Accepts]: Start accepts. Automaton has 91 states and 119 transitions. Word has length 31 [2022-11-23 14:17:03,426 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 14:17:03,427 INFO L495 AbstractCegarLoop]: Abstraction has 91 states and 119 transitions. [2022-11-23 14:17:03,427 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 3.75) internal successors, (30), 7 states have internal predecessors, (30), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 14:17:03,427 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 119 transitions. [2022-11-23 14:17:03,428 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2022-11-23 14:17:03,429 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 14:17:03,429 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 14:17:03,447 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a038d238-b1a6-4fae-82b0-1b6ef9e4d6d3/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2022-11-23 14:17:03,638 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a038d238-b1a6-4fae-82b0-1b6ef9e4d6d3/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable1 [2022-11-23 14:17:03,638 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-23 14:17:03,639 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 14:17:03,639 INFO L85 PathProgramCache]: Analyzing trace with hash -725737884, now seen corresponding path program 1 times [2022-11-23 14:17:03,639 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 14:17:03,639 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1475743466] [2022-11-23 14:17:03,640 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 14:17:03,640 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 14:17:03,701 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-23 14:17:03,702 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [152728938] [2022-11-23 14:17:03,704 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 14:17:03,705 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-23 14:17:03,707 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a038d238-b1a6-4fae-82b0-1b6ef9e4d6d3/bin/utaipan-Q6hlc19bkW/z3 [2022-11-23 14:17:03,708 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a038d238-b1a6-4fae-82b0-1b6ef9e4d6d3/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-23 14:17:03,716 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a038d238-b1a6-4fae-82b0-1b6ef9e4d6d3/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-11-23 14:17:04,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 14:17:04,195 INFO L263 TraceCheckSpWp]: Trace formula consists of 713 conjuncts, 3 conjunts are in the unsatisfiable core [2022-11-23 14:17:04,198 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-23 14:17:04,279 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-11-23 14:17:04,280 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-23 14:17:04,378 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-11-23 14:17:04,379 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 14:17:04,379 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1475743466] [2022-11-23 14:17:04,379 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-23 14:17:04,380 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [152728938] [2022-11-23 14:17:04,380 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [152728938] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-23 14:17:04,381 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [641969327] [2022-11-23 14:17:04,385 INFO L159 IcfgInterpreter]: Started Sifa with 41 locations of interest [2022-11-23 14:17:04,385 INFO L166 IcfgInterpreter]: Building call graph [2022-11-23 14:17:04,385 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-23 14:17:04,386 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-23 14:17:04,386 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-23 14:17:04,429 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:17:04,430 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 7 [2022-11-23 14:17:04,474 INFO L321 Elim1Store]: treesize reduction 36, result has 34.5 percent of original size [2022-11-23 14:17:04,474 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 27 treesize of output 41 [2022-11-23 14:17:04,486 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:17:04,488 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:17:04,489 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 5 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 39 [2022-11-23 14:17:04,500 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 22 [2022-11-23 14:17:04,516 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:17:04,517 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 7 [2022-11-23 14:17:04,812 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 19 [2022-11-23 14:17:04,827 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 19 [2022-11-23 14:17:04,847 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:17:04,849 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:17:04,850 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:17:04,851 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:17:04,853 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:17:04,854 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:17:04,855 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:17:04,857 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:17:04,858 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:17:04,859 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:17:04,861 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:17:04,863 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:17:04,864 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:17:04,884 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 25 disjoint index pairs (out of 28 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 9896990 treesize of output 5376278 [2022-11-23 14:17:04,912 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:17:04,914 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:17:04,915 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:17:04,916 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:17:04,917 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:17:04,919 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:17:04,920 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:17:04,921 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:17:04,922 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:17:04,924 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:17:04,925 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:17:04,926 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:17:04,928 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:17:04,930 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 25 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 0 case distinctions, treesize of input 9075036 treesize of output 5376290 [2022-11-23 14:17:04,978 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 31 [2022-11-23 14:17:04,997 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:17:04,999 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:17:05,000 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:17:05,003 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:17:05,005 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:17:05,006 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:17:05,007 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:17:05,009 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:17:05,010 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:17:05,012 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:17:05,013 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:17:05,014 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:17:05,015 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:17:05,017 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:17:05,018 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:17:05,019 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:17:05,020 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:17:05,041 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 32 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 9075051 treesize of output 5376293 [2022-11-23 14:17:05,072 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:17:05,074 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:17:05,075 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:17:05,076 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:17:05,078 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:17:05,079 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:17:05,080 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:17:05,082 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:17:05,083 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:17:05,084 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:17:05,085 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:17:05,087 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:17:05,088 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:17:05,089 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:17:05,091 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:17:05,092 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:17:05,093 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:17:05,096 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 32 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 9075051 treesize of output 5376293 [2022-11-23 14:17:05,128 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 31 [2022-11-23 14:17:05,189 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:17:05,190 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:17:05,191 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:17:05,193 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:17:05,194 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:17:05,195 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:17:05,196 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:17:05,198 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:17:05,200 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:17:05,203 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:17:05,205 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:17:05,206 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:17:05,207 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:17:05,209 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:17:05,210 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:17:05,215 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:17:05,217 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:17:05,220 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 32 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 9075051 treesize of output 5376293 [2022-11-23 14:17:05,254 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 9 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 46 [2022-11-23 14:17:05,283 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 10 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 46 [2022-11-23 14:17:05,355 INFO L321 Elim1Store]: treesize reduction 48, result has 48.9 percent of original size [2022-11-23 14:17:05,355 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 5 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 28 treesize of output 66 [2022-11-23 14:17:05,445 INFO L321 Elim1Store]: treesize reduction 90, result has 33.8 percent of original size [2022-11-23 14:17:05,446 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 7 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 6 case distinctions, treesize of input 44 treesize of output 77 [2022-11-23 14:17:06,434 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 19 [2022-11-23 14:17:06,455 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 19 [2022-11-23 14:17:06,473 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:17:06,476 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:17:06,478 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:17:06,479 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:17:06,481 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:17:06,482 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:17:06,484 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:17:06,485 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:17:06,487 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:17:06,488 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:17:06,490 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:17:06,492 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:17:06,494 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:17:06,517 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 25 disjoint index pairs (out of 28 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 9896990 treesize of output 5376278 [2022-11-23 14:17:06,547 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:17:06,548 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:17:06,550 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:17:06,551 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:17:06,552 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:17:06,554 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:17:06,555 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:17:06,557 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:17:06,558 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:17:06,560 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:17:06,562 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:17:06,563 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:17:06,564 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:17:06,567 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 25 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 0 case distinctions, treesize of input 9896988 treesize of output 5376290 [2022-11-23 14:17:06,635 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 31 [2022-11-23 14:17:06,646 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 31 [2022-11-23 14:17:06,667 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:17:06,668 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:17:06,669 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:17:06,671 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:17:06,672 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:17:06,674 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:17:06,675 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:17:06,676 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:17:06,678 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:17:06,679 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:17:06,681 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:17:06,682 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:17:06,683 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:17:06,685 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:17:06,686 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:17:06,687 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:17:06,689 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:17:06,713 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 32 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 9897003 treesize of output 5376293 [2022-11-23 14:17:06,746 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:17:06,747 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:17:06,748 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:17:06,749 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:17:06,751 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:17:06,752 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:17:06,753 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:17:06,754 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:17:06,756 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:17:06,757 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:17:06,758 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:17:06,760 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:17:06,761 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:17:06,762 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:17:06,764 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:17:06,765 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:17:06,766 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:17:06,769 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 32 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 9897003 treesize of output 5376293 [2022-11-23 14:17:06,855 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 9 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 46 [2022-11-23 14:17:06,881 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 10 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 46 [2022-11-23 14:17:06,948 INFO L321 Elim1Store]: treesize reduction 48, result has 48.9 percent of original size [2022-11-23 14:17:06,948 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 5 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 28 treesize of output 66 [2022-11-23 14:17:07,031 INFO L321 Elim1Store]: treesize reduction 90, result has 33.8 percent of original size [2022-11-23 14:17:07,032 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 7 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 6 case distinctions, treesize of input 44 treesize of output 77 [2022-11-23 14:17:07,062 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:17:07,063 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:17:07,065 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:17:07,066 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:17:07,067 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:17:07,069 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:17:07,070 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:17:07,072 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:17:07,073 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:17:07,074 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:17:07,076 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:17:07,077 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:17:07,078 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:17:07,079 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:17:07,081 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:17:07,082 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:17:07,083 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:17:07,086 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 32 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 9075051 treesize of output 5376293 [2022-11-23 14:17:07,192 INFO L197 IcfgInterpreter]: Interpreting procedure #Ultimate.C_memset with input of size 241 for LOIs [2022-11-23 14:17:07,302 INFO L180 IcfgInterpreter]: Interpretation finished [2022-11-23 14:17:22,311 WARN L233 SmtUtils]: Spent 5.13s on a formula simplification. DAG size of input: 235 DAG size of output: 224 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-23 14:17:32,550 WARN L233 SmtUtils]: Spent 6.12s on a formula simplification. DAG size of input: 246 DAG size of output: 236 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-23 14:17:44,995 WARN L233 SmtUtils]: Spent 5.80s on a formula simplification. DAG size of input: 268 DAG size of output: 250 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-23 14:17:57,468 WARN L233 SmtUtils]: Spent 6.29s on a formula simplification. DAG size of input: 268 DAG size of output: 250 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-23 14:17:58,310 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSifa [641969327] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 14:17:58,311 INFO L184 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2022-11-23 14:17:58,311 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [4, 4] total 17 [2022-11-23 14:17:58,311 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [140577724] [2022-11-23 14:17:58,311 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 14:17:58,312 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-11-23 14:17:58,312 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-23 14:17:58,313 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-11-23 14:17:58,313 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=90, Invalid=172, Unknown=10, NotChecked=0, Total=272 [2022-11-23 14:17:58,313 INFO L87 Difference]: Start difference. First operand 91 states and 119 transitions. Second operand has 13 states, 12 states have (on average 3.0833333333333335) internal successors, (37), 11 states have internal predecessors, (37), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) [2022-11-23 14:18:02,487 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2022-11-23 14:18:04,642 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2022-11-23 14:18:06,699 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2022-11-23 14:18:08,721 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2022-11-23 14:18:10,752 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2022-11-23 14:18:12,787 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2022-11-23 14:18:18,704 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.11s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2022-11-23 14:18:20,491 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.79s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2022-11-23 14:18:23,425 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-23 14:18:25,877 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-23 14:18:25,880 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 14:18:25,880 INFO L93 Difference]: Finished difference Result 175 states and 234 transitions. [2022-11-23 14:18:25,889 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-11-23 14:18:25,890 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 3.0833333333333335) internal successors, (37), 11 states have internal predecessors, (37), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) Word has length 44 [2022-11-23 14:18:25,890 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 14:18:25,891 INFO L225 Difference]: With dead ends: 175 [2022-11-23 14:18:25,891 INFO L226 Difference]: Without dead ends: 96 [2022-11-23 14:18:25,892 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 131 GetRequests, 113 SyntacticMatches, 2 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 90 ImplicationChecksByTransitivity, 52.4s TimeCoverageRelationStatistics Valid=100, Invalid=196, Unknown=10, NotChecked=0, Total=306 [2022-11-23 14:18:25,893 INFO L413 NwaCegarLoop]: 92 mSDtfsCounter, 9 mSDsluCounter, 560 mSDsCounter, 0 mSdLazyCounter, 338 mSolverCounterSat, 4 mSolverCounterUnsat, 8 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 25.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9 SdHoareTripleChecker+Valid, 652 SdHoareTripleChecker+Invalid, 350 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 338 IncrementalHoareTripleChecker+Invalid, 8 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 26.1s IncrementalHoareTripleChecker+Time [2022-11-23 14:18:25,893 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [9 Valid, 652 Invalid, 350 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 338 Invalid, 8 Unknown, 0 Unchecked, 26.1s Time] [2022-11-23 14:18:25,894 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 96 states. [2022-11-23 14:18:25,920 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 96 to 96. [2022-11-23 14:18:25,921 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 96 states, 79 states have (on average 1.2278481012658229) internal successors, (97), 89 states have internal predecessors, (97), 14 states have call successors, (14), 3 states have call predecessors, (14), 2 states have return successors, (14), 4 states have call predecessors, (14), 14 states have call successors, (14) [2022-11-23 14:18:25,922 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 96 states and 125 transitions. [2022-11-23 14:18:25,922 INFO L78 Accepts]: Start accepts. Automaton has 96 states and 125 transitions. Word has length 44 [2022-11-23 14:18:25,923 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 14:18:25,923 INFO L495 AbstractCegarLoop]: Abstraction has 96 states and 125 transitions. [2022-11-23 14:18:25,923 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 3.0833333333333335) internal successors, (37), 11 states have internal predecessors, (37), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) [2022-11-23 14:18:25,923 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 125 transitions. [2022-11-23 14:18:25,924 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2022-11-23 14:18:25,925 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 14:18:25,925 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 14:18:25,935 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a038d238-b1a6-4fae-82b0-1b6ef9e4d6d3/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-11-23 14:18:26,132 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a038d238-b1a6-4fae-82b0-1b6ef9e4d6d3/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-23 14:18:26,133 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-23 14:18:26,133 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 14:18:26,133 INFO L85 PathProgramCache]: Analyzing trace with hash 1505724306, now seen corresponding path program 1 times [2022-11-23 14:18:26,133 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 14:18:26,133 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [56040765] [2022-11-23 14:18:26,133 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 14:18:26,133 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 14:18:26,190 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-23 14:18:26,190 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2095286506] [2022-11-23 14:18:26,191 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 14:18:26,191 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-23 14:18:26,191 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a038d238-b1a6-4fae-82b0-1b6ef9e4d6d3/bin/utaipan-Q6hlc19bkW/z3 [2022-11-23 14:18:26,192 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a038d238-b1a6-4fae-82b0-1b6ef9e4d6d3/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-23 14:18:26,216 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a038d238-b1a6-4fae-82b0-1b6ef9e4d6d3/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-11-23 14:18:26,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 14:18:26,706 INFO L263 TraceCheckSpWp]: Trace formula consists of 728 conjuncts, 3 conjunts are in the unsatisfiable core [2022-11-23 14:18:26,709 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-23 14:18:26,789 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2022-11-23 14:18:26,789 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-23 14:18:26,909 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2022-11-23 14:18:26,909 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 14:18:26,909 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [56040765] [2022-11-23 14:18:26,909 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-23 14:18:26,909 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2095286506] [2022-11-23 14:18:26,909 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2095286506] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-23 14:18:26,909 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [687186852] [2022-11-23 14:18:26,912 INFO L159 IcfgInterpreter]: Started Sifa with 41 locations of interest [2022-11-23 14:18:26,912 INFO L166 IcfgInterpreter]: Building call graph [2022-11-23 14:18:26,913 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-23 14:18:26,913 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-23 14:18:26,913 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-23 14:18:26,979 INFO L321 Elim1Store]: treesize reduction 36, result has 34.5 percent of original size [2022-11-23 14:18:26,979 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 27 treesize of output 41 [2022-11-23 14:18:26,989 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 22 [2022-11-23 14:18:27,000 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:18:27,001 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:18:27,002 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 5 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 39 [2022-11-23 14:18:27,018 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:18:27,018 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 7 [2022-11-23 14:18:27,031 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:18:27,032 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 7 [2022-11-23 14:18:27,275 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:18:27,276 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:18:27,277 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:18:27,278 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:18:27,282 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:18:27,283 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:18:27,284 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:18:27,285 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:18:27,286 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:18:27,287 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:18:27,288 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:18:27,290 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:18:27,291 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:18:27,306 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 25 disjoint index pairs (out of 28 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 9896990 treesize of output 5376278 [2022-11-23 14:18:27,331 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:18:27,332 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:18:27,334 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:18:27,335 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:18:27,336 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:18:27,337 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:18:27,338 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:18:27,339 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:18:27,340 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:18:27,341 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:18:27,342 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:18:27,343 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:18:27,344 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:18:27,347 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 25 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 0 case distinctions, treesize of input 9896988 treesize of output 5376290 [2022-11-23 14:18:27,419 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 19 [2022-11-23 14:18:27,439 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 19 [2022-11-23 14:18:27,468 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 31 [2022-11-23 14:18:27,486 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:18:27,488 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:18:27,489 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:18:27,490 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:18:27,491 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:18:27,492 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:18:27,494 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:18:27,495 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:18:27,496 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:18:27,497 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:18:27,498 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:18:27,499 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:18:27,501 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:18:27,502 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:18:27,503 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:18:27,504 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:18:27,505 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:18:27,523 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 32 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 9075051 treesize of output 5376293 [2022-11-23 14:18:27,552 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:18:27,553 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:18:27,554 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:18:27,555 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:18:27,557 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:18:27,558 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:18:27,559 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:18:27,560 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:18:27,561 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:18:27,562 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:18:27,564 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:18:27,565 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:18:27,566 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:18:27,567 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:18:27,568 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:18:27,569 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:18:27,570 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:18:27,573 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 32 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 9075051 treesize of output 5376293 [2022-11-23 14:18:27,600 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 31 [2022-11-23 14:18:27,638 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:18:27,639 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:18:27,640 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:18:27,641 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:18:27,642 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:18:27,644 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:18:27,645 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:18:27,646 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:18:27,647 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:18:27,648 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:18:27,649 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:18:27,650 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:18:27,651 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:18:27,652 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:18:27,654 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:18:27,655 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:18:27,656 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:18:27,658 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 32 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 9075051 treesize of output 5376293 [2022-11-23 14:18:27,688 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 9 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 46 [2022-11-23 14:18:27,710 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 10 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 46 [2022-11-23 14:18:27,784 INFO L321 Elim1Store]: treesize reduction 90, result has 33.8 percent of original size [2022-11-23 14:18:27,784 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 7 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 6 case distinctions, treesize of input 44 treesize of output 77 [2022-11-23 14:18:27,803 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 8 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 36 [2022-11-23 14:18:27,962 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 [2022-11-23 14:18:27,968 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2022-11-23 14:18:27,973 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2022-11-23 14:18:28,015 INFO L321 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2022-11-23 14:18:28,015 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 [2022-11-23 14:18:28,048 INFO L321 Elim1Store]: treesize reduction 15, result has 42.3 percent of original size [2022-11-23 14:18:28,049 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 [2022-11-23 14:18:28,083 INFO L321 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2022-11-23 14:18:28,084 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 [2022-11-23 14:18:28,126 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 10 [2022-11-23 14:18:28,132 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2022-11-23 14:18:28,139 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 10 [2022-11-23 14:18:28,207 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:18:28,208 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:18:28,209 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:18:28,210 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:18:28,212 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:18:28,213 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:18:28,214 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:18:28,215 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:18:28,216 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:18:28,217 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:18:28,219 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:18:28,220 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:18:28,221 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:18:28,223 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 9 select indices, 9 select index equivalence classes, 25 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 9075032 treesize of output 5376218 [2022-11-23 14:18:28,251 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 9 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 108 treesize of output 42 [2022-11-23 14:18:28,272 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 10 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 46 treesize of output 16 [2022-11-23 14:18:28,436 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:18:28,438 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:18:28,439 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:18:28,440 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:18:28,441 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:18:28,442 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:18:28,444 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:18:28,445 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:18:28,446 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:18:28,447 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:18:28,448 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:18:28,449 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:18:28,451 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:18:28,454 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 9 select indices, 9 select index equivalence classes, 25 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 9075032 treesize of output 5376218 [2022-11-23 14:18:28,473 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 9 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 108 treesize of output 42 [2022-11-23 14:18:28,491 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 10 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 46 treesize of output 16 [2022-11-23 14:18:29,449 INFO L217 Elim1Store]: Index analysis took 662 ms [2022-11-23 14:18:32,084 INFO L321 Elim1Store]: treesize reduction 96, result has 17.9 percent of original size [2022-11-23 14:18:32,085 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 2 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 9 case distinctions, treesize of input 10752658 treesize of output 10752661 [2022-11-23 14:18:33,458 INFO L217 Elim1Store]: Index analysis took 1189 ms [2022-11-23 14:18:37,260 INFO L321 Elim1Store]: treesize reduction 144, result has 12.7 percent of original size [2022-11-23 14:18:37,261 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 6 select indices, 6 select index equivalence classes, 4 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 15 case distinctions, treesize of input 10752663 treesize of output 10752665 [2022-11-23 14:18:48,237 WARN L233 SmtUtils]: Spent 10.94s on a formula simplification. DAG size of input: 67 DAG size of output: 32 (called from [L 318] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2022-11-23 14:18:48,238 INFO L321 Elim1Store]: treesize reduction 340, result has 16.0 percent of original size [2022-11-23 14:18:48,238 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 5 new quantified variables, introduced 4 case distinctions, treesize of input 1986 treesize of output 1476 [2022-11-23 14:18:48,466 INFO L217 Elim1Store]: Index analysis took 155 ms [2022-11-23 14:19:09,502 WARN L233 SmtUtils]: Spent 21.03s on a formula simplification. DAG size of input: 90 DAG size of output: 45 (called from [L 318] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2022-11-23 14:19:09,503 INFO L321 Elim1Store]: treesize reduction 266, result has 31.6 percent of original size [2022-11-23 14:19:09,504 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 4 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 7 new quantified variables, introduced 8 case distinctions, treesize of input 2005 treesize of output 1834 [2022-11-23 14:19:10,349 INFO L217 Elim1Store]: Index analysis took 600 ms [2022-11-23 14:19:35,964 WARN L233 SmtUtils]: Spent 25.21s on a formula simplification. DAG size of input: 249 DAG size of output: 147 (called from [L 318] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2022-11-23 14:19:35,965 INFO L321 Elim1Store]: treesize reduction 2466, result has 32.0 percent of original size [2022-11-23 14:19:35,966 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 4 stores, 0 select indices, 0 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 4 new quantified variables, introduced 16 case distinctions, treesize of input 1606 treesize of output 2097 [2022-11-23 14:19:37,664 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:19:37,666 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 90 treesize of output 69 [2022-11-23 14:19:37,878 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:19:37,939 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:19:37,940 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:19:37,940 INFO L217 Elim1Store]: Index analysis took 133 ms [2022-11-23 14:19:37,942 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 69 treesize of output 55 [2022-11-23 14:22:44,283 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:22:44,284 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 11 [2022-11-23 14:22:44,462 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:22:44,464 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 11 [2022-11-23 14:26:32,415 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:26:32,416 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 11 [2022-11-23 14:26:32,600 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:26:32,601 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