./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/uthash-2.0.2/uthash_JEN_test4-2.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_7fb22039-a722-4175-a4f5-dee1318abe32/bin/utaipan-Q6hlc19bkW/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fb22039-a722-4175-a4f5-dee1318abe32/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_7fb22039-a722-4175-a4f5-dee1318abe32/bin/utaipan-Q6hlc19bkW/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fb22039-a722-4175-a4f5-dee1318abe32/bin/utaipan-Q6hlc19bkW/config/TaipanReach.xml -i ../../sv-benchmarks/c/uthash-2.0.2/uthash_JEN_test4-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fb22039-a722-4175-a4f5-dee1318abe32/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_7fb22039-a722-4175-a4f5-dee1318abe32/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 2c8bfc4504f1d1d767281638f115bf6ca8337de4769381189ae1d6a9b301298b --- 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 14:26:05,471 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-23 14:26:05,474 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-23 14:26:05,513 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-23 14:26:05,513 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-23 14:26:05,517 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-23 14:26:05,520 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-23 14:26:05,526 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-23 14:26:05,528 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-23 14:26:05,530 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-23 14:26:05,532 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-23 14:26:05,535 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-23 14:26:05,535 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-23 14:26:05,541 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-23 14:26:05,543 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-23 14:26:05,544 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-23 14:26:05,546 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-23 14:26:05,548 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-23 14:26:05,550 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-23 14:26:05,553 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-23 14:26:05,556 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-23 14:26:05,561 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-23 14:26:05,563 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-23 14:26:05,564 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-23 14:26:05,574 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-23 14:26:05,575 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-23 14:26:05,575 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-23 14:26:05,576 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-23 14:26:05,576 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-23 14:26:05,577 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-23 14:26:05,577 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-23 14:26:05,578 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-23 14:26:05,579 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-23 14:26:05,579 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-23 14:26:05,580 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-23 14:26:05,580 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-23 14:26:05,581 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-23 14:26:05,581 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-23 14:26:05,582 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-23 14:26:05,582 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-23 14:26:05,586 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-23 14:26:05,588 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fb22039-a722-4175-a4f5-dee1318abe32/bin/utaipan-Q6hlc19bkW/config/svcomp-Reach-32bit-Taipan_Default.epf [2022-11-23 14:26:05,626 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-23 14:26:05,627 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-23 14:26:05,627 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-23 14:26:05,636 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-23 14:26:05,637 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-23 14:26:05,637 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-23 14:26:05,637 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-23 14:26:05,638 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-23 14:26:05,638 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-23 14:26:05,638 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-23 14:26:05,639 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-23 14:26:05,639 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-23 14:26:05,639 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-23 14:26:05,640 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-23 14:26:05,640 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-23 14:26:05,640 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-23 14:26:05,640 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-23 14:26:05,641 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-23 14:26:05,642 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-23 14:26:05,642 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-23 14:26:05,642 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-23 14:26:05,642 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-23 14:26:05,643 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-23 14:26:05,643 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-23 14:26:05,643 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-23 14:26:05,643 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-23 14:26:05,643 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-23 14:26:05,644 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-23 14:26:05,644 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-23 14:26:05,644 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-23 14:26:05,644 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-23 14:26:05,645 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-23 14:26:05,645 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-23 14:26:05,645 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-23 14:26:05,645 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-23 14:26:05,646 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-23 14:26:05,646 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-23 14:26:05,647 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-23 14:26:05,647 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-23 14:26:05,647 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-23 14:26:05,647 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-23 14:26:05,648 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_7fb22039-a722-4175-a4f5-dee1318abe32/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fb22039-a722-4175-a4f5-dee1318abe32/bin/utaipan-Q6hlc19bkW Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2c8bfc4504f1d1d767281638f115bf6ca8337de4769381189ae1d6a9b301298b [2022-11-23 14:26:05,958 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-23 14:26:05,979 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-23 14:26:05,982 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-23 14:26:05,983 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-23 14:26:05,984 INFO L275 PluginConnector]: CDTParser initialized [2022-11-23 14:26:05,985 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fb22039-a722-4175-a4f5-dee1318abe32/bin/utaipan-Q6hlc19bkW/../../sv-benchmarks/c/uthash-2.0.2/uthash_JEN_test4-2.i [2022-11-23 14:26:09,205 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-23 14:26:09,594 INFO L351 CDTParser]: Found 1 translation units. [2022-11-23 14:26:09,594 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fb22039-a722-4175-a4f5-dee1318abe32/sv-benchmarks/c/uthash-2.0.2/uthash_JEN_test4-2.i [2022-11-23 14:26:09,631 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fb22039-a722-4175-a4f5-dee1318abe32/bin/utaipan-Q6hlc19bkW/data/014b5628e/7b7cea9b573d454e9855806d4ec29f70/FLAG3973225e2 [2022-11-23 14:26:09,646 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fb22039-a722-4175-a4f5-dee1318abe32/bin/utaipan-Q6hlc19bkW/data/014b5628e/7b7cea9b573d454e9855806d4ec29f70 [2022-11-23 14:26:09,653 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-23 14:26:09,655 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-23 14:26:09,658 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-23 14:26:09,658 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-23 14:26:09,662 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-23 14:26:09,662 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 02:26:09" (1/1) ... [2022-11-23 14:26:09,664 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@16147cba and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:26:09, skipping insertion in model container [2022-11-23 14:26:09,665 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 02:26:09" (1/1) ... [2022-11-23 14:26:09,673 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-23 14:26:09,749 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-23 14:26:10,210 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_7fb22039-a722-4175-a4f5-dee1318abe32/sv-benchmarks/c/uthash-2.0.2/uthash_JEN_test4-2.i[33021,33034] [2022-11-23 14:26:10,380 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-23 14:26:10,391 INFO L203 MainTranslator]: Completed pre-run [2022-11-23 14:26:10,445 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_7fb22039-a722-4175-a4f5-dee1318abe32/sv-benchmarks/c/uthash-2.0.2/uthash_JEN_test4-2.i[33021,33034] [2022-11-23 14:26:10,528 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-23 14:26:10,563 INFO L208 MainTranslator]: Completed translation [2022-11-23 14:26:10,564 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:26:10 WrapperNode [2022-11-23 14:26:10,564 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-23 14:26:10,565 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-23 14:26:10,565 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-23 14:26:10,566 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-23 14:26:10,574 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:26:10" (1/1) ... [2022-11-23 14:26:10,621 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:26:10" (1/1) ... [2022-11-23 14:26:10,730 INFO L138 Inliner]: procedures = 177, calls = 400, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 1300 [2022-11-23 14:26:10,735 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-23 14:26:10,736 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-23 14:26:10,736 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-23 14:26:10,736 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-23 14:26:10,747 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:26:10" (1/1) ... [2022-11-23 14:26:10,748 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:26:10" (1/1) ... [2022-11-23 14:26:10,768 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:26:10" (1/1) ... [2022-11-23 14:26:10,779 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:26:10" (1/1) ... [2022-11-23 14:26:10,868 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:26:10" (1/1) ... [2022-11-23 14:26:10,882 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:26:10" (1/1) ... [2022-11-23 14:26:10,901 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:26:10" (1/1) ... [2022-11-23 14:26:10,907 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:26:10" (1/1) ... [2022-11-23 14:26:10,924 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-23 14:26:10,925 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-23 14:26:10,926 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-23 14:26:10,926 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-23 14:26:10,935 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:26:10" (1/1) ... [2022-11-23 14:26:10,942 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-23 14:26:10,954 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fb22039-a722-4175-a4f5-dee1318abe32/bin/utaipan-Q6hlc19bkW/z3 [2022-11-23 14:26:10,981 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fb22039-a722-4175-a4f5-dee1318abe32/bin/utaipan-Q6hlc19bkW/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-23 14:26:11,007 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fb22039-a722-4175-a4f5-dee1318abe32/bin/utaipan-Q6hlc19bkW/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-23 14:26:11,028 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-23 14:26:11,028 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2022-11-23 14:26:11,028 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2022-11-23 14:26:11,029 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-23 14:26:11,029 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-11-23 14:26:11,029 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-11-23 14:26:11,029 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-23 14:26:11,029 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-23 14:26:11,029 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-23 14:26:11,029 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-23 14:26:11,030 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-23 14:26:11,030 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-23 14:26:11,030 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-23 14:26:11,030 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-23 14:26:11,030 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-23 14:26:11,396 INFO L235 CfgBuilder]: Building ICFG [2022-11-23 14:26:11,399 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-23 14:26:13,163 INFO L276 CfgBuilder]: Performing block encoding [2022-11-23 14:26:13,685 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-23 14:26:13,686 INFO L300 CfgBuilder]: Removed 69 assume(true) statements. [2022-11-23 14:26:13,689 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 02:26:13 BoogieIcfgContainer [2022-11-23 14:26:13,689 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-23 14:26:13,691 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-23 14:26:13,691 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-23 14:26:13,695 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-23 14:26:13,695 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 02:26:09" (1/3) ... [2022-11-23 14:26:13,696 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@212e8906 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 02:26:13, skipping insertion in model container [2022-11-23 14:26:13,696 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:26:10" (2/3) ... [2022-11-23 14:26:13,696 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@212e8906 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 02:26:13, skipping insertion in model container [2022-11-23 14:26:13,696 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 02:26:13" (3/3) ... [2022-11-23 14:26:13,697 INFO L112 eAbstractionObserver]: Analyzing ICFG uthash_JEN_test4-2.i [2022-11-23 14:26:13,716 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-23 14:26:13,716 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-23 14:26:13,767 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-23 14:26:13,773 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;@5931602, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-23 14:26:13,774 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-23 14:26:13,779 INFO L276 IsEmpty]: Start isEmpty. Operand has 141 states, 121 states have (on average 1.7933884297520661) internal successors, (217), 132 states have internal predecessors, (217), 16 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (16), 7 states have call predecessors, (16), 16 states have call successors, (16) [2022-11-23 14:26:13,786 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-11-23 14:26:13,787 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 14:26:13,787 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 14:26:13,788 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-23 14:26:13,793 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 14:26:13,793 INFO L85 PathProgramCache]: Analyzing trace with hash 190255821, now seen corresponding path program 1 times [2022-11-23 14:26:13,803 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 14:26:13,803 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1269482376] [2022-11-23 14:26:13,803 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 14:26:13,804 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 14:26:13,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 14:26:13,992 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 14:26:13,993 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 14:26:13,993 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1269482376] [2022-11-23 14:26:13,994 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1269482376] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 14:26:13,994 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 14:26:13,994 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-23 14:26:13,996 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [169693880] [2022-11-23 14:26:13,996 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 14:26:14,001 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-23 14:26:14,001 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-23 14:26:14,030 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-23 14:26:14,031 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-23 14:26:14,034 INFO L87 Difference]: Start difference. First operand has 141 states, 121 states have (on average 1.7933884297520661) internal successors, (217), 132 states have internal predecessors, (217), 16 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (16), 7 states have call predecessors, (16), 16 states have call successors, (16) 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 14:26:15,382 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 14:26:15,382 INFO L93 Difference]: Finished difference Result 375 states and 678 transitions. [2022-11-23 14:26:15,389 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-23 14:26:15,390 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 14:26:15,390 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 14:26:15,400 INFO L225 Difference]: With dead ends: 375 [2022-11-23 14:26:15,401 INFO L226 Difference]: Without dead ends: 220 [2022-11-23 14:26:15,405 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 14:26:15,408 INFO L413 NwaCegarLoop]: 175 mSDtfsCounter, 97 mSDsluCounter, 157 mSDsCounter, 0 mSdLazyCounter, 48 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 103 SdHoareTripleChecker+Valid, 332 SdHoareTripleChecker+Invalid, 48 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 48 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2022-11-23 14:26:15,409 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [103 Valid, 332 Invalid, 48 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 48 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2022-11-23 14:26:15,428 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 220 states. [2022-11-23 14:26:15,492 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 220 to 127. [2022-11-23 14:26:15,496 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 127 states, 108 states have (on average 1.212962962962963) internal successors, (131), 118 states have internal predecessors, (131), 16 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (16), 7 states have call predecessors, (16), 16 states have call successors, (16) [2022-11-23 14:26:15,504 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 127 states to 127 states and 163 transitions. [2022-11-23 14:26:15,505 INFO L78 Accepts]: Start accepts. Automaton has 127 states and 163 transitions. Word has length 8 [2022-11-23 14:26:15,505 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 14:26:15,506 INFO L495 AbstractCegarLoop]: Abstraction has 127 states and 163 transitions. [2022-11-23 14:26:15,506 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 14:26:15,506 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states and 163 transitions. [2022-11-23 14:26:15,509 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2022-11-23 14:26:15,509 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 14:26:15,509 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 14:26:15,510 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-23 14:26:15,510 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-23 14:26:15,510 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 14:26:15,511 INFO L85 PathProgramCache]: Analyzing trace with hash -910103328, now seen corresponding path program 1 times [2022-11-23 14:26:15,511 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 14:26:15,511 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [456617130] [2022-11-23 14:26:15,511 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 14:26:15,511 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 14:26:15,811 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-23 14:26:15,812 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1696408127] [2022-11-23 14:26:15,813 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 14:26:15,813 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-23 14:26:15,813 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fb22039-a722-4175-a4f5-dee1318abe32/bin/utaipan-Q6hlc19bkW/z3 [2022-11-23 14:26:15,817 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fb22039-a722-4175-a4f5-dee1318abe32/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-23 14:26:15,822 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fb22039-a722-4175-a4f5-dee1318abe32/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-11-23 14:26:17,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 14:26:17,159 INFO L263 TraceCheckSpWp]: Trace formula consists of 3056 conjuncts, 3 conjunts are in the unsatisfiable core [2022-11-23 14:26:17,168 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-23 14:26:17,356 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 14:26:17,357 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-23 14:26:17,509 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 14:26:17,509 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 14:26:17,510 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [456617130] [2022-11-23 14:26:17,510 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-23 14:26:17,510 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1696408127] [2022-11-23 14:26:17,512 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1696408127] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-23 14:26:17,512 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [266808204] [2022-11-23 14:26:17,543 INFO L159 IcfgInterpreter]: Started Sifa with 52 locations of interest [2022-11-23 14:26:17,544 INFO L166 IcfgInterpreter]: Building call graph [2022-11-23 14:26:17,554 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-23 14:26:17,562 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-23 14:26:17,563 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-23 14:26:17,774 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:26:17,780 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 14:26:17,833 INFO L321 Elim1Store]: treesize reduction 36, result has 34.5 percent of original size [2022-11-23 14:26:17,834 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 14:26:17,855 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:26:17,857 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 14:26:17,867 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 14:26:17,888 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:26:17,889 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:26:17,891 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 14:26:18,332 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 14:26:18,354 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 14:26:18,384 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:26:18,385 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:26:18,386 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:26:18,388 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:26:18,389 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:26:18,390 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:26:18,392 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:26:18,393 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:26:18,394 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:26:18,395 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:26:18,397 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:26:18,398 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:26:18,399 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:26:18,413 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 14:26:18,489 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:26:18,490 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:26:18,491 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:26:18,493 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:26:18,494 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:26:18,496 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:26:18,497 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:26:18,498 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:26:18,500 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:26:18,501 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:26:18,502 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:26:18,504 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:26:18,505 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:26:18,508 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 14:26:18,600 INFO L321 Elim1Store]: treesize reduction 20, result has 48.7 percent of original size [2022-11-23 14:26:18,600 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 14:26:18,649 INFO L321 Elim1Store]: treesize reduction 36, result has 34.5 percent of original size [2022-11-23 14:26:18,649 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 14:26:18,671 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:26:18,672 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 14:26:18,685 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:26:18,686 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:26:18,687 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 14:26:18,705 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:26:18,711 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 14:26:19,159 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 14:26:19,178 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 14:26:19,198 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:26:19,199 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:26:19,201 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:26:19,202 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:26:19,203 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:26:19,204 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:26:19,206 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:26:19,207 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:26:19,208 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:26:19,209 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:26:19,211 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:26:19,219 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:26:19,220 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:26:19,237 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 14:26:19,269 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:26:19,271 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:26:19,272 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:26:19,274 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:26:19,275 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:26:19,276 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:26:19,278 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:26:19,279 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:26:19,280 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:26:19,281 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:26:19,283 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:26:19,284 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:26:19,285 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:26:19,288 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 14:26:19,333 INFO L180 IcfgInterpreter]: Interpretation finished [2022-11-23 14:26:27,449 WARN L233 SmtUtils]: Spent 5.24s on a formula simplification. DAG size of input: 223 DAG size of output: 212 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-23 14:26:34,900 WARN L233 SmtUtils]: Spent 5.31s on a formula simplification. DAG size of input: 239 DAG size of output: 228 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-23 14:26:34,905 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSifa [266808204] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 14:26:34,906 INFO L184 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2022-11-23 14:26:34,906 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [3, 3] total 11 [2022-11-23 14:26:34,907 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [621016619] [2022-11-23 14:26:34,907 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 14:26:34,908 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-11-23 14:26:34,908 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-23 14:26:34,909 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-11-23 14:26:34,909 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=61, Invalid=69, Unknown=2, NotChecked=0, Total=132 [2022-11-23 14:26:34,910 INFO L87 Difference]: Start difference. First operand 127 states and 163 transitions. Second operand has 8 states, 8 states have (on average 6.375) internal successors, (51), 7 states have internal predecessors, (51), 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 14:26:39,011 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2022-11-23 14:26:41,122 WARN L539 Checker$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 14:26:43,141 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2022-11-23 14:26:45,485 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.21s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-23 14:26:45,685 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 14:26:45,685 INFO L93 Difference]: Finished difference Result 265 states and 340 transitions. [2022-11-23 14:26:45,685 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-11-23 14:26:45,686 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 6.375) internal successors, (51), 7 states have internal predecessors, (51), 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 52 [2022-11-23 14:26:45,686 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 14:26:45,687 INFO L225 Difference]: With dead ends: 265 [2022-11-23 14:26:45,687 INFO L226 Difference]: Without dead ends: 140 [2022-11-23 14:26:45,688 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 155 GetRequests, 144 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 40 ImplicationChecksByTransitivity, 17.4s TimeCoverageRelationStatistics Valid=71, Invalid=83, Unknown=2, NotChecked=0, Total=156 [2022-11-23 14:26:45,689 INFO L413 NwaCegarLoop]: 142 mSDtfsCounter, 14 mSDsluCounter, 123 mSDsCounter, 0 mSdLazyCounter, 97 mSolverCounterSat, 10 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 14 SdHoareTripleChecker+Valid, 265 SdHoareTripleChecker+Invalid, 110 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 97 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.9s IncrementalHoareTripleChecker+Time [2022-11-23 14:26:45,690 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [14 Valid, 265 Invalid, 110 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 97 Invalid, 3 Unknown, 0 Unchecked, 8.9s Time] [2022-11-23 14:26:45,691 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 140 states. [2022-11-23 14:26:45,707 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 140 to 137. [2022-11-23 14:26:45,708 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 137 states, 118 states have (on average 1.194915254237288) internal successors, (141), 128 states have internal predecessors, (141), 16 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (16), 7 states have call predecessors, (16), 16 states have call successors, (16) [2022-11-23 14:26:45,709 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 137 states to 137 states and 173 transitions. [2022-11-23 14:26:45,709 INFO L78 Accepts]: Start accepts. Automaton has 137 states and 173 transitions. Word has length 52 [2022-11-23 14:26:45,710 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 14:26:45,710 INFO L495 AbstractCegarLoop]: Abstraction has 137 states and 173 transitions. [2022-11-23 14:26:45,710 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 6.375) internal successors, (51), 7 states have internal predecessors, (51), 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 14:26:45,710 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 173 transitions. [2022-11-23 14:26:45,712 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2022-11-23 14:26:45,712 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 14:26:45,712 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 14:26:45,729 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fb22039-a722-4175-a4f5-dee1318abe32/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2022-11-23 14:26:45,923 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fb22039-a722-4175-a4f5-dee1318abe32/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-23 14:26:45,923 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-23 14:26:45,924 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 14:26:45,924 INFO L85 PathProgramCache]: Analyzing trace with hash 1562765067, now seen corresponding path program 1 times [2022-11-23 14:26:45,924 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 14:26:45,925 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [766032110] [2022-11-23 14:26:45,925 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 14:26:45,925 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 14:26:46,139 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-23 14:26:46,140 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [461503515] [2022-11-23 14:26:46,140 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 14:26:46,141 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-23 14:26:46,141 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fb22039-a722-4175-a4f5-dee1318abe32/bin/utaipan-Q6hlc19bkW/z3 [2022-11-23 14:26:46,144 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fb22039-a722-4175-a4f5-dee1318abe32/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-23 14:26:46,171 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fb22039-a722-4175-a4f5-dee1318abe32/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-11-23 14:26:47,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 14:26:47,313 INFO L263 TraceCheckSpWp]: Trace formula consists of 2193 conjuncts, 3 conjunts are in the unsatisfiable core [2022-11-23 14:26:47,319 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-23 14:26:47,424 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 14:26:47,424 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-23 14:26:47,552 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 14:26:47,553 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 14:26:47,553 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [766032110] [2022-11-23 14:26:47,553 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-23 14:26:47,553 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [461503515] [2022-11-23 14:26:47,554 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [461503515] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-23 14:26:47,554 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [408212870] [2022-11-23 14:26:47,558 INFO L159 IcfgInterpreter]: Started Sifa with 62 locations of interest [2022-11-23 14:26:47,558 INFO L166 IcfgInterpreter]: Building call graph [2022-11-23 14:26:47,559 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-23 14:26:47,559 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-23 14:26:47,559 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-23 14:26:47,662 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:26:47,663 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 14:26:47,698 INFO L321 Elim1Store]: treesize reduction 20, result has 48.7 percent of original size [2022-11-23 14:26:47,700 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 14:26:47,722 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:26:47,723 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:26:47,725 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:26:47,741 INFO L321 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2022-11-23 14:26:47,741 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 14:26:47,800 INFO L321 Elim1Store]: treesize reduction 36, result has 34.5 percent of original size [2022-11-23 14:26:47,800 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 14:26:47,819 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:26:47,820 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 14:26:48,181 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:26:48,182 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:26:48,184 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:26:48,185 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:26:48,186 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:26:48,188 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:26:48,189 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:26:48,190 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:26:48,192 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:26:48,193 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:26:48,195 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:26:48,196 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:26:48,197 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:26:48,212 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 14:26:48,247 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:26:48,249 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:26:48,250 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:26:48,251 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:26:48,253 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:26:48,254 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:26:48,255 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:26:48,256 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:26:48,258 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:26:48,259 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:26:48,260 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:26:48,261 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:26:48,263 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:26:48,266 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 14:26:48,310 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 19 [2022-11-23 14:26:48,326 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 14:26:48,365 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:26:48,366 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:26:48,367 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:26:48,369 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:26:48,370 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:26:48,371 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:26:48,372 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:26:48,373 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:26:48,375 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:26:48,376 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:26:48,377 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:26:48,378 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:26:48,379 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:26:48,381 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:26:48,382 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:26:48,383 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:26:48,384 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:26:48,398 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 14:26:48,426 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:26:48,427 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:26:48,429 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:26:48,430 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:26:48,431 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:26:48,432 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:26:48,433 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:26:48,434 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:26:48,436 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:26:48,437 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:26:48,438 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:26:48,439 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:26:48,440 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:26:48,441 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:26:48,442 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:26:48,444 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:26:48,445 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:26:48,447 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 14:26:48,477 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 14:26:48,491 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 14:26:48,535 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 14:26:48,601 INFO L321 Elim1Store]: treesize reduction 48, result has 48.9 percent of original size [2022-11-23 14:26:48,602 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 14:26:48,681 INFO L321 Elim1Store]: treesize reduction 90, result has 33.8 percent of original size [2022-11-23 14:26:48,681 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 14:26:48,723 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:26:48,725 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:26:48,726 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:26:48,727 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:26:48,729 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:26:48,730 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:26:48,731 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:26:48,733 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:26:48,734 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:26:48,735 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:26:48,737 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:26:48,738 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:26:48,739 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:26:48,740 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:26:48,742 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:26:48,743 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:26:48,744 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:26:48,746 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 14:26:48,787 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 14:26:49,097 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:26:49,098 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:26:49,099 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:26:49,113 INFO L321 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2022-11-23 14:26:49,118 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 14:26:49,132 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:26:49,133 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 14:26:49,177 INFO L321 Elim1Store]: treesize reduction 36, result has 34.5 percent of original size [2022-11-23 14:26:49,179 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 14:26:49,190 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 14:26:49,206 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:26:49,207 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 14:26:49,606 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:26:49,607 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:26:49,608 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:26:49,609 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:26:49,611 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:26:49,612 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:26:49,613 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:26:49,614 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:26:49,615 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:26:49,616 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:26:49,617 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:26:49,618 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:26:49,619 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:26:49,632 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 14:26:49,658 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:26:49,659 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:26:49,660 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:26:49,661 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:26:49,662 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:26:49,663 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:26:49,664 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:26:49,665 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:26:49,667 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:26:49,668 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:26:49,669 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:26:49,670 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:26:49,671 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:26:49,673 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 14:26:49,711 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 14:26:49,733 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 14:26:49,778 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 14:26:49,791 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 14:26:49,817 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:26:49,819 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:26:49,820 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:26:49,821 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:26:49,822 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:26:49,823 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:26:49,824 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:26:49,826 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:26:49,827 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:26:49,828 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:26:49,829 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:26:49,830 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:26:49,832 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:26:49,833 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:26:49,834 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:26:49,835 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:26:49,836 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:26:49,855 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 14:26:49,887 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:26:49,888 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:26:49,889 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:26:49,890 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:26:49,891 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:26:49,892 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:26:49,893 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:26:49,895 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:26:49,896 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:26:49,897 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:26:49,898 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:26:49,899 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:26:49,900 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:26:49,901 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:26:49,902 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:26:49,903 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:26:49,904 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:26:49,907 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 14:26:49,986 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 14:26:50,062 INFO L321 Elim1Store]: treesize reduction 90, result has 33.8 percent of original size [2022-11-23 14:26:50,062 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 14:26:50,080 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 14:26:50,109 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 14:26:50,141 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:26:50,142 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:26:50,143 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:26:50,144 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:26:50,145 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:26:50,146 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:26:50,147 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:26:50,148 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:26:50,150 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:26:50,151 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:26:50,152 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:26:50,153 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:26:50,154 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:26:50,156 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:26:50,157 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:26:50,158 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:26:50,159 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:26:50,164 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 14:26:50,551 INFO L197 IcfgInterpreter]: Interpreting procedure #Ultimate.C_memset with input of size 241 for LOIs [2022-11-23 14:26:50,666 INFO L180 IcfgInterpreter]: Interpretation finished [2022-11-23 14:26:58,486 WARN L233 SmtUtils]: Spent 5.01s on a formula simplification. DAG size of input: 223 DAG size of output: 212 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-23 14:27:05,899 WARN L233 SmtUtils]: Spent 5.32s on a formula simplification. DAG size of input: 239 DAG size of output: 228 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-23 14:27:15,544 WARN L233 SmtUtils]: Spent 5.51s on a formula simplification. DAG size of input: 250 DAG size of output: 240 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-23 14:27:29,214 WARN L233 SmtUtils]: Spent 7.51s on a formula simplification. DAG size of input: 272 DAG size of output: 254 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-23 14:27:43,552 WARN L233 SmtUtils]: Spent 8.16s on a formula simplification. DAG size of input: 272 DAG size of output: 254 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-23 14:27:44,115 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSifa [408212870] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 14:27:44,115 INFO L184 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2022-11-23 14:27:44,115 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [4, 4] total 17 [2022-11-23 14:27:44,116 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [220042901] [2022-11-23 14:27:44,116 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 14:27:44,117 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-11-23 14:27:44,117 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-23 14:27:44,118 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-11-23 14:27:44,120 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=90, Invalid=172, Unknown=10, NotChecked=0, Total=272 [2022-11-23 14:27:44,120 INFO L87 Difference]: Start difference. First operand 137 states and 173 transitions. Second operand has 13 states, 12 states have (on average 4.833333333333333) internal successors, (58), 11 states have internal predecessors, (58), 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 14:27:49,701 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2022-11-23 14:27:51,811 WARN L539 Checker$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 14:27:53,887 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2022-11-23 14:27:55,935 WARN L539 Checker$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 14:27:57,976 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2022-11-23 14:27:59,994 WARN L539 Checker$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 14:28:07,211 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.34s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2022-11-23 14:28:09,209 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.44s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2022-11-23 14:28:09,293 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 14:28:09,293 INFO L93 Difference]: Finished difference Result 267 states and 342 transitions. [2022-11-23 14:28:09,294 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-11-23 14:28:09,294 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 4.833333333333333) internal successors, (58), 11 states have internal predecessors, (58), 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 65 [2022-11-23 14:28:09,294 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 14:28:09,295 INFO L225 Difference]: With dead ends: 267 [2022-11-23 14:28:09,296 INFO L226 Difference]: Without dead ends: 142 [2022-11-23 14:28:09,297 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 194 GetRequests, 176 SyntacticMatches, 2 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 90 ImplicationChecksByTransitivity, 56.2s TimeCoverageRelationStatistics Valid=100, Invalid=196, Unknown=10, NotChecked=0, Total=306 [2022-11-23 14:28:09,298 INFO L413 NwaCegarLoop]: 141 mSDtfsCounter, 14 mSDsluCounter, 312 mSDsCounter, 0 mSdLazyCounter, 251 mSolverCounterSat, 6 mSolverCounterUnsat, 6 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 22.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 14 SdHoareTripleChecker+Valid, 453 SdHoareTripleChecker+Invalid, 263 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 251 IncrementalHoareTripleChecker+Invalid, 6 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 22.4s IncrementalHoareTripleChecker+Time [2022-11-23 14:28:09,298 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [14 Valid, 453 Invalid, 263 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 251 Invalid, 6 Unknown, 0 Unchecked, 22.4s Time] [2022-11-23 14:28:09,299 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 142 states. [2022-11-23 14:28:09,329 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 142 to 142. [2022-11-23 14:28:09,330 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 142 states, 122 states have (on average 1.1885245901639345) internal successors, (145), 132 states have internal predecessors, (145), 17 states have call successors, (17), 3 states have call predecessors, (17), 2 states have return successors, (17), 7 states have call predecessors, (17), 17 states have call successors, (17) [2022-11-23 14:28:09,331 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 142 states to 142 states and 179 transitions. [2022-11-23 14:28:09,331 INFO L78 Accepts]: Start accepts. Automaton has 142 states and 179 transitions. Word has length 65 [2022-11-23 14:28:09,331 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 14:28:09,331 INFO L495 AbstractCegarLoop]: Abstraction has 142 states and 179 transitions. [2022-11-23 14:28:09,332 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 4.833333333333333) internal successors, (58), 11 states have internal predecessors, (58), 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 14:28:09,332 INFO L276 IsEmpty]: Start isEmpty. Operand 142 states and 179 transitions. [2022-11-23 14:28:09,333 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2022-11-23 14:28:09,334 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 14:28:09,334 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 14:28:09,347 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fb22039-a722-4175-a4f5-dee1318abe32/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-11-23 14:28:09,543 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fb22039-a722-4175-a4f5-dee1318abe32/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable2 [2022-11-23 14:28:09,544 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-23 14:28:09,544 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 14:28:09,544 INFO L85 PathProgramCache]: Analyzing trace with hash -1076213087, now seen corresponding path program 1 times [2022-11-23 14:28:09,544 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 14:28:09,544 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1511941621] [2022-11-23 14:28:09,544 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 14:28:09,544 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 14:28:09,731 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-23 14:28:09,732 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1451394237] [2022-11-23 14:28:09,732 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 14:28:09,732 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-23 14:28:09,732 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fb22039-a722-4175-a4f5-dee1318abe32/bin/utaipan-Q6hlc19bkW/z3 [2022-11-23 14:28:09,733 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fb22039-a722-4175-a4f5-dee1318abe32/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-23 14:28:09,752 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fb22039-a722-4175-a4f5-dee1318abe32/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-11-23 14:28:10,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 14:28:10,972 INFO L263 TraceCheckSpWp]: Trace formula consists of 2208 conjuncts, 3 conjunts are in the unsatisfiable core [2022-11-23 14:28:10,976 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-23 14:28:11,078 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 14:28:11,078 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-23 14:28:11,201 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 14:28:11,201 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 14:28:11,202 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1511941621] [2022-11-23 14:28:11,202 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-23 14:28:11,202 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1451394237] [2022-11-23 14:28:11,202 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1451394237] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-23 14:28:11,202 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1214299119] [2022-11-23 14:28:11,205 INFO L159 IcfgInterpreter]: Started Sifa with 62 locations of interest [2022-11-23 14:28:11,206 INFO L166 IcfgInterpreter]: Building call graph [2022-11-23 14:28:11,206 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-23 14:28:11,207 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-23 14:28:11,207 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-23 14:28:11,282 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:28:11,283 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 14:28:11,326 INFO L321 Elim1Store]: treesize reduction 36, result has 34.5 percent of original size [2022-11-23 14:28:11,327 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 14:28:11,340 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:28:11,341 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 14:28:11,351 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 14:28:11,362 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:28:11,363 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:28:11,364 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 14:28:11,668 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 14:28:11,684 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:28:11,685 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:28:11,687 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:28:11,688 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:28:11,689 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:28:11,691 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:28:11,692 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:28:11,693 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:28:11,695 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:28:11,696 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:28:11,698 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:28:11,699 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:28:11,700 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:28:11,715 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 14:28:11,741 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:28:11,742 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:28:11,743 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:28:11,745 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:28:11,746 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:28:11,747 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:28:11,748 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:28:11,750 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:28:11,751 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:28:11,752 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:28:11,753 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:28:11,754 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:28:11,755 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:28:11,758 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 14:28:11,795 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 14:28:11,830 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 14:28:11,841 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 14:28:11,860 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:28:11,862 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:28:11,863 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:28:11,864 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:28:11,866 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:28:11,867 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:28:11,868 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:28:11,870 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:28:11,871 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:28:11,873 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:28:11,874 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:28:11,875 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:28:11,877 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:28:11,878 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:28:11,879 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:28:11,881 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:28:11,882 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:28:11,900 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 14:28:11,933 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:28:11,934 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:28:11,935 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:28:11,936 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:28:11,937 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:28:11,938 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:28:11,939 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:28:11,940 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:28:11,941 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:28:11,942 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:28:11,943 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:28:11,944 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:28:11,945 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:28:11,947 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:28:11,950 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:28:11,951 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:28:11,952 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:28:11,954 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 14:28:12,015 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 14:28:12,088 INFO L321 Elim1Store]: treesize reduction 90, result has 33.8 percent of original size [2022-11-23 14:28:12,088 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 14:28:12,103 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 14:28:12,129 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 14:28:12,161 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:28:12,162 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:28:12,164 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:28:12,165 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:28:12,167 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:28:12,169 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:28:12,170 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:28:12,172 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:28:12,173 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:28:12,175 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:28:12,176 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:28:12,178 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:28:12,179 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:28:12,181 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:28:12,182 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:28:12,184 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:28:12,185 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:28:12,188 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 14:28:12,357 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 14:28:12,362 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 14:28:12,369 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 14:28:12,395 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 64 treesize of output 63 [2022-11-23 14:28:12,404 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 64 treesize of output 63 [2022-11-23 14:28:12,413 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 66 treesize of output 65 [2022-11-23 14:28:12,438 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 14:28:12,444 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 14:28:12,451 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 14:28:12,522 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:28:12,524 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:28:12,525 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:28:12,527 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:28:12,528 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:28:12,529 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:28:12,531 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:28:12,532 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:28:12,533 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:28:12,535 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:28:12,536 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:28:12,537 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:28:12,539 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:28:12,541 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 14:28:12,566 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 14:28:12,588 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 14:28:12,760 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:28:12,762 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:28:12,763 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:28:12,765 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:28:12,766 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:28:12,767 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:28:12,769 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:28:12,770 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:28:12,772 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:28:12,773 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:28:12,774 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:28:12,776 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:28:12,777 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:28:12,779 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 14:28:12,800 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 14:28:12,822 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 14:28:13,919 INFO L217 Elim1Store]: Index analysis took 724 ms [2022-11-23 14:28:16,280 INFO L321 Elim1Store]: treesize reduction 96, result has 17.9 percent of original size [2022-11-23 14:28:16,281 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 10752670 treesize of output 10752673 [2022-11-23 14:28:17,065 INFO L217 Elim1Store]: Index analysis took 640 ms [2022-11-23 14:28:20,422 INFO L321 Elim1Store]: treesize reduction 144, result has 12.7 percent of original size [2022-11-23 14:28:20,423 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 10752675 treesize of output 10752677 [2022-11-23 14:28:30,001 WARN L233 SmtUtils]: Spent 9.52s 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 14:28:30,002 INFO L321 Elim1Store]: treesize reduction 340, result has 16.0 percent of original size [2022-11-23 14:28:30,002 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 1481 [2022-11-23 14:28:30,215 INFO L217 Elim1Store]: Index analysis took 111 ms [2022-11-23 14:28:50,503 WARN L233 SmtUtils]: Spent 20.29s 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 14:28:50,503 INFO L321 Elim1Store]: treesize reduction 266, result has 31.6 percent of original size [2022-11-23 14:28:50,504 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 1824 [2022-11-23 14:28:51,393 INFO L217 Elim1Store]: Index analysis took 673 ms [2022-11-23 14:29:12,317 WARN L233 SmtUtils]: Spent 20.39s 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 14:29:12,318 INFO L321 Elim1Store]: treesize reduction 2466, result has 32.0 percent of original size [2022-11-23 14:29:12,319 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 14:29:13,927 INFO L217 Elim1Store]: Index analysis took 134 ms [2022-11-23 14:29:14,383 INFO L321 Elim1Store]: treesize reduction 13, result has 38.1 percent of original size [2022-11-23 14:29:14,383 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 2 new quantified variables, introduced 3 case distinctions, treesize of input 91 treesize of output 73 [2022-11-23 14:29:14,490 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 3 [2022-11-23 14:29:14,777 INFO L217 Elim1Store]: Index analysis took 155 ms [2022-11-23 14:29:15,713 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-23 14:29:15,713 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 2 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 70 treesize of output 94 [2022-11-23 14:29:22,871 INFO L217 Elim1Store]: Index analysis took 650 ms