./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/uthash-2.0.2/uthash_BER_test4-3.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version e04fb08f Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc51f94d-a2a8-4b39-afde-0f5b0c3e3808/bin/utaipan-Xvt2sAort0/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc51f94d-a2a8-4b39-afde-0f5b0c3e3808/bin/utaipan-Xvt2sAort0/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc51f94d-a2a8-4b39-afde-0f5b0c3e3808/bin/utaipan-Xvt2sAort0/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc51f94d-a2a8-4b39-afde-0f5b0c3e3808/bin/utaipan-Xvt2sAort0/config/TaipanReach.xml -i ../../sv-benchmarks/c/uthash-2.0.2/uthash_BER_test4-3.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc51f94d-a2a8-4b39-afde-0f5b0c3e3808/bin/utaipan-Xvt2sAort0/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc51f94d-a2a8-4b39-afde-0f5b0c3e3808/bin/utaipan-Xvt2sAort0 --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 2dcad53e9f7fd6e0b6384d19db4719ec6aa2601fd94c6ce0d3c746f1ec6b3601 --- 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-e04fb08 [2022-11-16 19:34:53,220 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-16 19:34:53,222 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-16 19:34:53,244 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-16 19:34:53,244 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-16 19:34:53,245 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-16 19:34:53,246 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-16 19:34:53,248 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-16 19:34:53,250 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-16 19:34:53,251 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-16 19:34:53,252 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-16 19:34:53,253 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-16 19:34:53,253 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-16 19:34:53,255 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-16 19:34:53,256 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-16 19:34:53,257 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-16 19:34:53,258 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-16 19:34:53,259 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-16 19:34:53,261 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-16 19:34:53,263 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-16 19:34:53,264 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-16 19:34:53,275 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-16 19:34:53,276 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-16 19:34:53,279 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-16 19:34:53,282 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-16 19:34:53,290 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-16 19:34:53,291 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-16 19:34:53,292 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-16 19:34:53,292 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-16 19:34:53,293 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-16 19:34:53,294 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-16 19:34:53,294 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-16 19:34:53,295 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-16 19:34:53,298 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-16 19:34:53,299 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-16 19:34:53,301 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-16 19:34:53,302 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-16 19:34:53,303 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-16 19:34:53,304 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-16 19:34:53,305 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-16 19:34:53,306 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-16 19:34:53,306 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc51f94d-a2a8-4b39-afde-0f5b0c3e3808/bin/utaipan-Xvt2sAort0/config/svcomp-Reach-32bit-Taipan_Default.epf [2022-11-16 19:34:53,343 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-16 19:34:53,349 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-16 19:34:53,350 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-16 19:34:53,350 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-16 19:34:53,351 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-16 19:34:53,352 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-16 19:34:53,352 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-16 19:34:53,352 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-16 19:34:53,352 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-16 19:34:53,352 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-16 19:34:53,354 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-16 19:34:53,354 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-16 19:34:53,354 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-16 19:34:53,354 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-16 19:34:53,355 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-16 19:34:53,355 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-16 19:34:53,355 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-16 19:34:53,355 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-16 19:34:53,356 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-16 19:34:53,356 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-16 19:34:53,357 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-16 19:34:53,357 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-16 19:34:53,357 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-16 19:34:53,357 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-16 19:34:53,358 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-16 19:34:53,358 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-16 19:34:53,358 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-16 19:34:53,358 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-16 19:34:53,358 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-16 19:34:53,359 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-16 19:34:53,359 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-16 19:34:53,359 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-16 19:34:53,360 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-16 19:34:53,360 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-16 19:34:53,360 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-16 19:34:53,360 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-16 19:34:53,361 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-16 19:34:53,361 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-16 19:34:53,361 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-16 19:34:53,361 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-16 19:34:53,361 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-16 19:34:53,362 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_fc51f94d-a2a8-4b39-afde-0f5b0c3e3808/bin/utaipan-Xvt2sAort0/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc51f94d-a2a8-4b39-afde-0f5b0c3e3808/bin/utaipan-Xvt2sAort0 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2dcad53e9f7fd6e0b6384d19db4719ec6aa2601fd94c6ce0d3c746f1ec6b3601 [2022-11-16 19:34:53,653 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-16 19:34:53,675 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-16 19:34:53,677 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-16 19:34:53,679 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-16 19:34:53,680 INFO L275 PluginConnector]: CDTParser initialized [2022-11-16 19:34:53,681 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc51f94d-a2a8-4b39-afde-0f5b0c3e3808/bin/utaipan-Xvt2sAort0/../../sv-benchmarks/c/uthash-2.0.2/uthash_BER_test4-3.i [2022-11-16 19:34:53,739 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc51f94d-a2a8-4b39-afde-0f5b0c3e3808/bin/utaipan-Xvt2sAort0/data/38a5e7e2e/f944decb71b44e09ba38fcb6f6959656/FLAGf220744ed [2022-11-16 19:34:54,337 INFO L306 CDTParser]: Found 1 translation units. [2022-11-16 19:34:54,338 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc51f94d-a2a8-4b39-afde-0f5b0c3e3808/sv-benchmarks/c/uthash-2.0.2/uthash_BER_test4-3.i [2022-11-16 19:34:54,366 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc51f94d-a2a8-4b39-afde-0f5b0c3e3808/bin/utaipan-Xvt2sAort0/data/38a5e7e2e/f944decb71b44e09ba38fcb6f6959656/FLAGf220744ed [2022-11-16 19:34:54,564 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc51f94d-a2a8-4b39-afde-0f5b0c3e3808/bin/utaipan-Xvt2sAort0/data/38a5e7e2e/f944decb71b44e09ba38fcb6f6959656 [2022-11-16 19:34:54,567 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-16 19:34:54,568 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-16 19:34:54,570 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-16 19:34:54,570 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-16 19:34:54,573 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-16 19:34:54,574 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 07:34:54" (1/1) ... [2022-11-16 19:34:54,575 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6f468a1f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:34:54, skipping insertion in model container [2022-11-16 19:34:54,576 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 07:34:54" (1/1) ... [2022-11-16 19:34:54,583 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-16 19:34:54,631 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-16 19:34:55,166 WARN L229 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_fc51f94d-a2a8-4b39-afde-0f5b0c3e3808/sv-benchmarks/c/uthash-2.0.2/uthash_BER_test4-3.i[33021,33034] [2022-11-16 19:34:55,364 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-16 19:34:55,388 INFO L203 MainTranslator]: Completed pre-run [2022-11-16 19:34:55,427 WARN L229 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_fc51f94d-a2a8-4b39-afde-0f5b0c3e3808/sv-benchmarks/c/uthash-2.0.2/uthash_BER_test4-3.i[33021,33034] [2022-11-16 19:34:55,553 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-16 19:34:55,592 INFO L208 MainTranslator]: Completed translation [2022-11-16 19:34:55,592 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:34:55 WrapperNode [2022-11-16 19:34:55,592 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-16 19:34:55,593 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-16 19:34:55,594 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-16 19:34:55,594 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-16 19:34:55,601 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:34:55" (1/1) ... [2022-11-16 19:34:55,636 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:34:55" (1/1) ... [2022-11-16 19:34:55,743 INFO L138 Inliner]: procedures = 177, calls = 448, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 1437 [2022-11-16 19:34:55,744 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-16 19:34:55,745 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-16 19:34:55,746 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-16 19:34:55,746 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-16 19:34:55,755 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:34:55" (1/1) ... [2022-11-16 19:34:55,756 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:34:55" (1/1) ... [2022-11-16 19:34:55,769 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:34:55" (1/1) ... [2022-11-16 19:34:55,769 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:34:55" (1/1) ... [2022-11-16 19:34:55,824 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:34:55" (1/1) ... [2022-11-16 19:34:55,837 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:34:55" (1/1) ... [2022-11-16 19:34:55,842 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:34:55" (1/1) ... [2022-11-16 19:34:55,847 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:34:55" (1/1) ... [2022-11-16 19:34:55,857 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-16 19:34:55,858 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-16 19:34:55,858 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-16 19:34:55,858 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-16 19:34:55,859 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:34:55" (1/1) ... [2022-11-16 19:34:55,868 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-16 19:34:55,907 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc51f94d-a2a8-4b39-afde-0f5b0c3e3808/bin/utaipan-Xvt2sAort0/z3 [2022-11-16 19:34:55,929 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc51f94d-a2a8-4b39-afde-0f5b0c3e3808/bin/utaipan-Xvt2sAort0/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-16 19:34:55,955 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc51f94d-a2a8-4b39-afde-0f5b0c3e3808/bin/utaipan-Xvt2sAort0/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-16 19:34:55,988 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-16 19:34:55,988 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2022-11-16 19:34:55,989 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2022-11-16 19:34:55,989 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-16 19:34:55,989 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-11-16 19:34:55,990 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-11-16 19:34:55,990 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-16 19:34:55,990 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-16 19:34:55,990 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-16 19:34:55,990 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-16 19:34:55,990 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-16 19:34:55,991 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-16 19:34:55,991 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-16 19:34:55,991 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-16 19:34:55,991 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-16 19:34:56,368 INFO L235 CfgBuilder]: Building ICFG [2022-11-16 19:34:56,371 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-16 19:34:58,273 INFO L276 CfgBuilder]: Performing block encoding [2022-11-16 19:34:58,859 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-16 19:34:58,859 INFO L300 CfgBuilder]: Removed 77 assume(true) statements. [2022-11-16 19:34:58,864 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 07:34:58 BoogieIcfgContainer [2022-11-16 19:34:58,864 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-16 19:34:58,869 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-16 19:34:58,870 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-16 19:34:58,874 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-16 19:34:58,874 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.11 07:34:54" (1/3) ... [2022-11-16 19:34:58,875 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4c57572c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 07:34:58, skipping insertion in model container [2022-11-16 19:34:58,876 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:34:55" (2/3) ... [2022-11-16 19:34:58,876 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4c57572c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 07:34:58, skipping insertion in model container [2022-11-16 19:34:58,876 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 07:34:58" (3/3) ... [2022-11-16 19:34:58,880 INFO L112 eAbstractionObserver]: Analyzing ICFG uthash_BER_test4-3.i [2022-11-16 19:34:58,901 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-16 19:34:58,901 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-16 19:34:58,971 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-16 19:34:58,978 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;@20bddf92, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-16 19:34:58,979 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-16 19:34:58,984 INFO L276 IsEmpty]: Start isEmpty. Operand has 153 states, 133 states have (on average 1.7969924812030076) internal successors, (239), 144 states have internal predecessors, (239), 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) [2022-11-16 19:34:58,993 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-11-16 19:34:58,994 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 19:34:58,995 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 19:34:58,995 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 19:34:59,001 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 19:34:59,001 INFO L85 PathProgramCache]: Analyzing trace with hash -810098709, now seen corresponding path program 1 times [2022-11-16 19:34:59,012 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-16 19:34:59,013 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [653507658] [2022-11-16 19:34:59,013 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 19:34:59,015 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 19:34:59,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 19:34:59,219 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 19:34:59,219 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-16 19:34:59,220 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [653507658] [2022-11-16 19:34:59,220 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [653507658] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 19:34:59,221 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 19:34:59,221 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-16 19:34:59,222 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1018465184] [2022-11-16 19:34:59,223 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 19:34:59,227 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-16 19:34:59,228 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-16 19:34:59,256 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-16 19:34:59,257 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-16 19:34:59,259 INFO L87 Difference]: Start difference. First operand has 153 states, 133 states have (on average 1.7969924812030076) internal successors, (239), 144 states have internal predecessors, (239), 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) [2022-11-16 19:35:01,863 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 19:35:01,863 INFO L93 Difference]: Finished difference Result 399 states and 722 transitions. [2022-11-16 19:35:01,870 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-16 19:35:01,871 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 [2022-11-16 19:35:01,871 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 19:35:01,883 INFO L225 Difference]: With dead ends: 399 [2022-11-16 19:35:01,883 INFO L226 Difference]: Without dead ends: 220 [2022-11-16 19:35:01,887 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 [2022-11-16 19:35:01,890 INFO L413 NwaCegarLoop]: 197 mSDtfsCounter, 97 mSDsluCounter, 168 mSDsCounter, 0 mSdLazyCounter, 59 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 103 SdHoareTripleChecker+Valid, 365 SdHoareTripleChecker+Invalid, 59 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 59 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.5s IncrementalHoareTripleChecker+Time [2022-11-16 19:35:01,891 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [103 Valid, 365 Invalid, 59 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 59 Invalid, 0 Unknown, 0 Unchecked, 2.5s Time] [2022-11-16 19:35:01,909 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 220 states. [2022-11-16 19:35:01,938 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 220 to 127. [2022-11-16 19:35:01,940 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) [2022-11-16 19:35:01,941 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 127 states to 127 states and 163 transitions. [2022-11-16 19:35:01,943 INFO L78 Accepts]: Start accepts. Automaton has 127 states and 163 transitions. Word has length 8 [2022-11-16 19:35:01,943 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 19:35:01,943 INFO L495 AbstractCegarLoop]: Abstraction has 127 states and 163 transitions. [2022-11-16 19:35:01,944 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) [2022-11-16 19:35:01,944 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states and 163 transitions. [2022-11-16 19:35:01,946 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2022-11-16 19:35:01,947 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 19:35:01,947 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] [2022-11-16 19:35:01,947 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-16 19:35:01,948 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 19:35:01,948 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 19:35:01,949 INFO L85 PathProgramCache]: Analyzing trace with hash 761830316, now seen corresponding path program 1 times [2022-11-16 19:35:01,949 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-16 19:35:01,949 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1864332541] [2022-11-16 19:35:01,949 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 19:35:01,950 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 19:35:02,271 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-16 19:35:02,272 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [761473994] [2022-11-16 19:35:02,272 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 19:35:02,272 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-16 19:35:02,273 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc51f94d-a2a8-4b39-afde-0f5b0c3e3808/bin/utaipan-Xvt2sAort0/z3 [2022-11-16 19:35:02,279 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc51f94d-a2a8-4b39-afde-0f5b0c3e3808/bin/utaipan-Xvt2sAort0/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-16 19:35:02,283 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc51f94d-a2a8-4b39-afde-0f5b0c3e3808/bin/utaipan-Xvt2sAort0/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-11-16 19:35:03,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 19:35:03,611 INFO L263 TraceCheckSpWp]: Trace formula consists of 3056 conjuncts, 3 conjunts are in the unsatisfiable core [2022-11-16 19:35:03,620 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 19:35:03,758 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 19:35:03,759 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-16 19:35:03,847 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 19:35:03,847 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-16 19:35:03,848 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1864332541] [2022-11-16 19:35:03,848 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-16 19:35:03,848 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [761473994] [2022-11-16 19:35:03,849 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [761473994] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-16 19:35:03,849 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [185021275] [2022-11-16 19:35:03,870 INFO L159 IcfgInterpreter]: Started Sifa with 52 locations of interest [2022-11-16 19:35:03,870 INFO L166 IcfgInterpreter]: Building call graph [2022-11-16 19:35:03,874 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-16 19:35:03,880 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-16 19:35:03,881 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-16 19:35:04,054 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:35:04,055 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 19:35:04,062 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:35:04,077 INFO L321 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2022-11-16 19:35:04,078 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 [2022-11-16 19:35:04,108 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:35:04,110 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 [2022-11-16 19:35:04,146 INFO L321 Elim1Store]: treesize reduction 20, result has 48.7 percent of original size [2022-11-16 19:35:04,146 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 [2022-11-16 19:35:04,171 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:35:04,172 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 [2022-11-16 19:35:04,218 INFO L321 Elim1Store]: treesize reduction 36, result has 34.5 percent of original size [2022-11-16 19:35:04,218 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 [2022-11-16 19:35:04,632 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 [2022-11-16 19:35:04,673 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:35:04,676 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:35:04,677 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:35:04,678 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:35:04,680 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:35:04,681 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:35:04,683 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:35:04,684 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:35:04,686 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:35:04,687 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:35:04,688 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:35:04,690 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:35:04,691 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:35:04,708 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 [2022-11-16 19:35:04,752 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:35:04,753 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:35:04,755 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:35:04,756 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:35:04,758 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:35:04,759 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:35:04,760 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:35:04,762 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:35:04,763 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:35:04,764 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:35:04,766 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:35:04,767 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:35:04,768 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:35:04,772 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 [2022-11-16 19:35:04,819 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 [2022-11-16 19:35:04,882 INFO L321 Elim1Store]: treesize reduction 20, result has 48.7 percent of original size [2022-11-16 19:35:04,883 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 [2022-11-16 19:35:04,902 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:35:04,903 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 [2022-11-16 19:35:04,920 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:35:04,920 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 19:35:04,923 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:35:04,938 INFO L321 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2022-11-16 19:35:04,939 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 [2022-11-16 19:35:04,959 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:35:04,960 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 [2022-11-16 19:35:05,009 INFO L321 Elim1Store]: treesize reduction 36, result has 34.5 percent of original size [2022-11-16 19:35:05,009 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 [2022-11-16 19:35:05,449 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:35:05,453 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:35:05,454 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:35:05,455 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:35:05,457 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:35:05,458 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:35:05,459 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:35:05,460 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:35:05,462 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:35:05,463 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:35:05,464 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:35:05,467 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:35:05,468 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:35:05,486 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 [2022-11-16 19:35:05,515 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:35:05,516 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:35:05,517 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:35:05,518 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:35:05,519 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:35:05,520 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:35:05,521 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:35:05,522 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:35:05,524 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:35:05,525 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:35:05,526 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:35:05,527 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:35:05,528 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:35:05,531 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 [2022-11-16 19:35:05,577 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 [2022-11-16 19:35:05,596 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 [2022-11-16 19:35:05,621 INFO L180 IcfgInterpreter]: Interpretation finished [2022-11-16 19:35:13,534 WARN L233 SmtUtils]: Spent 5.03s on a formula simplification. DAG size of input: 223 DAG size of output: 212 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-16 19:35:21,317 WARN L233 SmtUtils]: Spent 5.67s on a formula simplification. DAG size of input: 239 DAG size of output: 228 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-16 19:35:21,324 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSifa [185021275] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 19:35:21,324 INFO L184 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2022-11-16 19:35:21,325 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [3, 3] total 11 [2022-11-16 19:35:21,326 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1850591554] [2022-11-16 19:35:21,326 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 19:35:21,328 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-11-16 19:35:21,329 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-16 19:35:21,330 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-11-16 19:35:21,330 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=61, Invalid=69, Unknown=2, NotChecked=0, Total=132 [2022-11-16 19:35:21,332 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) [2022-11-16 19:35:25,831 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.01s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-16 19:35:26,031 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 19:35:26,031 INFO L93 Difference]: Finished difference Result 262 states and 336 transitions. [2022-11-16 19:35:26,031 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-11-16 19:35:26,032 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 [2022-11-16 19:35:26,032 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 19:35:26,033 INFO L225 Difference]: With dead ends: 262 [2022-11-16 19:35:26,033 INFO L226 Difference]: Without dead ends: 137 [2022-11-16 19:35:26,034 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 154 GetRequests, 144 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 37 ImplicationChecksByTransitivity, 15.7s TimeCoverageRelationStatistics Valid=61, Invalid=69, Unknown=2, NotChecked=0, Total=132 [2022-11-16 19:35:26,035 INFO L413 NwaCegarLoop]: 143 mSDtfsCounter, 8 mSDsluCounter, 322 mSDsCounter, 0 mSdLazyCounter, 125 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8 SdHoareTripleChecker+Valid, 465 SdHoareTripleChecker+Invalid, 200 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 125 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 73 IncrementalHoareTripleChecker+Unchecked, 4.7s IncrementalHoareTripleChecker+Time [2022-11-16 19:35:26,036 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8 Valid, 465 Invalid, 200 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 125 Invalid, 0 Unknown, 73 Unchecked, 4.7s Time] [2022-11-16 19:35:26,037 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 137 states. [2022-11-16 19:35:26,057 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 137 to 137. [2022-11-16 19:35:26,058 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) [2022-11-16 19:35:26,059 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 137 states to 137 states and 173 transitions. [2022-11-16 19:35:26,059 INFO L78 Accepts]: Start accepts. Automaton has 137 states and 173 transitions. Word has length 52 [2022-11-16 19:35:26,060 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 19:35:26,060 INFO L495 AbstractCegarLoop]: Abstraction has 137 states and 173 transitions. [2022-11-16 19:35:26,060 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) [2022-11-16 19:35:26,061 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 173 transitions. [2022-11-16 19:35:26,062 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2022-11-16 19:35:26,063 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 19:35:26,063 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] [2022-11-16 19:35:26,095 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc51f94d-a2a8-4b39-afde-0f5b0c3e3808/bin/utaipan-Xvt2sAort0/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-11-16 19:35:26,274 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc51f94d-a2a8-4b39-afde-0f5b0c3e3808/bin/utaipan-Xvt2sAort0/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable1 [2022-11-16 19:35:26,275 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 19:35:26,275 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 19:35:26,275 INFO L85 PathProgramCache]: Analyzing trace with hash 583681991, now seen corresponding path program 1 times [2022-11-16 19:35:26,276 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-16 19:35:26,276 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [57777863] [2022-11-16 19:35:26,276 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 19:35:26,276 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 19:35:26,460 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-16 19:35:26,467 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1613191598] [2022-11-16 19:35:26,467 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 19:35:26,467 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-16 19:35:26,467 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc51f94d-a2a8-4b39-afde-0f5b0c3e3808/bin/utaipan-Xvt2sAort0/z3 [2022-11-16 19:35:26,468 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc51f94d-a2a8-4b39-afde-0f5b0c3e3808/bin/utaipan-Xvt2sAort0/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-16 19:35:26,487 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc51f94d-a2a8-4b39-afde-0f5b0c3e3808/bin/utaipan-Xvt2sAort0/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-11-16 19:35:27,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 19:35:27,629 INFO L263 TraceCheckSpWp]: Trace formula consists of 2193 conjuncts, 3 conjunts are in the unsatisfiable core [2022-11-16 19:35:27,635 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 19:35:27,764 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-11-16 19:35:27,764 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-16 19:35:27,945 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-11-16 19:35:27,945 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-16 19:35:27,945 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [57777863] [2022-11-16 19:35:27,945 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-16 19:35:27,946 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1613191598] [2022-11-16 19:35:27,946 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1613191598] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-16 19:35:27,946 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [8101058] [2022-11-16 19:35:27,950 INFO L159 IcfgInterpreter]: Started Sifa with 62 locations of interest [2022-11-16 19:35:27,951 INFO L166 IcfgInterpreter]: Building call graph [2022-11-16 19:35:27,951 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-16 19:35:27,951 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-16 19:35:27,952 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-16 19:35:28,053 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:35:28,053 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 19:35:28,055 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:35:28,071 INFO L321 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2022-11-16 19:35:28,072 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 [2022-11-16 19:35:28,088 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:35:28,089 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 [2022-11-16 19:35:28,131 INFO L321 Elim1Store]: treesize reduction 20, result has 48.7 percent of original size [2022-11-16 19:35:28,131 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 [2022-11-16 19:35:28,151 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:35:28,152 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 [2022-11-16 19:35:28,199 INFO L321 Elim1Store]: treesize reduction 36, result has 34.5 percent of original size [2022-11-16 19:35:28,200 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 [2022-11-16 19:35:28,476 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:35:28,478 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:35:28,479 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:35:28,480 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:35:28,481 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:35:28,482 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:35:28,483 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:35:28,485 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:35:28,486 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:35:28,487 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:35:28,488 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:35:28,489 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:35:28,536 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:35:28,551 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 [2022-11-16 19:35:28,588 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:35:28,590 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:35:28,591 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:35:28,592 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:35:28,594 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:35:28,595 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:35:28,596 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:35:28,597 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:35:28,599 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:35:28,600 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:35:28,601 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:35:28,603 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:35:28,604 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:35:28,607 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 [2022-11-16 19:35:28,649 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 [2022-11-16 19:35:28,671 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 [2022-11-16 19:35:28,711 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 [2022-11-16 19:35:28,735 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:35:28,736 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:35:28,737 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:35:28,738 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:35:28,740 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:35:28,741 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:35:28,742 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:35:28,744 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:35:28,745 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:35:28,746 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:35:28,747 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:35:28,749 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:35:28,750 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:35:28,751 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:35:28,753 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:35:28,754 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:35:28,755 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:35:28,771 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 [2022-11-16 19:35:28,812 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:35:28,813 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:35:28,815 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:35:28,816 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:35:28,817 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:35:28,818 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:35:28,820 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:35:28,821 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:35:28,822 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:35:28,823 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:35:28,825 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:35:28,826 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:35:28,827 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:35:28,829 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:35:28,830 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:35:28,831 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:35:28,832 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:35:28,835 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 [2022-11-16 19:35:28,866 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 [2022-11-16 19:35:28,907 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 [2022-11-16 19:35:28,927 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:35:28,929 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:35:28,930 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:35:28,931 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:35:28,932 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:35:28,934 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:35:28,935 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:35:28,936 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:35:28,937 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:35:28,939 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:35:28,940 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:35:28,941 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:35:28,942 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:35:28,944 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:35:28,945 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:35:28,946 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:35:28,948 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:35:28,950 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 [2022-11-16 19:35:28,989 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 [2022-11-16 19:35:29,061 INFO L321 Elim1Store]: treesize reduction 90, result has 33.8 percent of original size [2022-11-16 19:35:29,061 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 [2022-11-16 19:35:29,087 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 [2022-11-16 19:35:29,446 INFO L321 Elim1Store]: treesize reduction 36, result has 34.5 percent of original size [2022-11-16 19:35:29,446 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 [2022-11-16 19:35:29,462 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:35:29,463 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 [2022-11-16 19:35:29,475 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:35:29,476 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 [2022-11-16 19:35:29,484 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 [2022-11-16 19:35:29,494 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:35:29,495 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 19:35:29,496 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 [2022-11-16 19:35:29,844 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:35:29,846 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:35:29,847 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:35:29,848 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:35:29,850 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:35:29,851 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:35:29,853 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:35:29,854 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:35:29,855 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:35:29,856 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:35:29,858 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:35:29,859 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:35:29,860 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:35:29,875 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 [2022-11-16 19:35:29,902 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:35:29,903 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:35:29,904 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:35:29,907 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:35:29,908 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:35:29,910 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:35:29,911 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:35:29,912 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:35:29,913 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:35:29,915 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:35:29,916 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:35:29,917 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:35:29,918 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:35:29,922 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 [2022-11-16 19:35:29,970 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 [2022-11-16 19:35:29,988 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 [2022-11-16 19:35:30,038 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:35:30,040 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:35:30,041 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:35:30,042 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:35:30,044 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:35:30,045 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:35:30,046 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:35:30,047 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:35:30,048 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:35:30,050 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:35:30,051 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:35:30,052 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:35:30,053 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:35:30,054 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:35:30,056 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:35:30,057 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:35:30,058 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:35:30,073 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 [2022-11-16 19:35:30,105 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:35:30,106 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:35:30,108 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:35:30,109 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:35:30,110 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:35:30,111 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:35:30,113 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:35:30,114 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:35:30,115 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:35:30,116 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:35:30,118 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:35:30,119 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:35:30,120 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:35:30,121 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:35:30,122 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:35:30,124 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:35:30,125 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:35:30,127 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 [2022-11-16 19:35:30,155 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 [2022-11-16 19:35:30,172 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 [2022-11-16 19:35:30,225 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 [2022-11-16 19:35:30,243 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:35:30,245 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:35:30,246 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:35:30,247 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:35:30,248 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:35:30,250 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:35:30,251 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:35:30,252 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:35:30,254 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:35:30,255 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:35:30,256 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:35:30,258 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:35:30,259 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:35:30,260 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:35:30,261 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:35:30,263 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:35:30,264 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:35:30,267 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 [2022-11-16 19:35:30,310 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 [2022-11-16 19:35:30,392 INFO L321 Elim1Store]: treesize reduction 90, result has 33.8 percent of original size [2022-11-16 19:35:30,392 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 [2022-11-16 19:35:30,413 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 [2022-11-16 19:35:30,791 INFO L197 IcfgInterpreter]: Interpreting procedure #Ultimate.C_memset with input of size 241 for LOIs [2022-11-16 19:35:30,924 INFO L180 IcfgInterpreter]: Interpretation finished [2022-11-16 19:35:36,961 WARN L233 SmtUtils]: Spent 5.00s on a formula simplification. DAG size of input: 223 DAG size of output: 212 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-16 19:35:44,803 WARN L233 SmtUtils]: Spent 5.74s on a formula simplification. DAG size of input: 239 DAG size of output: 228 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-16 19:35:54,750 WARN L233 SmtUtils]: Spent 5.79s on a formula simplification. DAG size of input: 250 DAG size of output: 240 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-16 19:36:07,539 WARN L233 SmtUtils]: Spent 6.63s on a formula simplification. DAG size of input: 272 DAG size of output: 254 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-16 19:36:20,273 WARN L233 SmtUtils]: Spent 6.57s on a formula simplification. DAG size of input: 272 DAG size of output: 254 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-16 19:36:21,123 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSifa [8101058] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 19:36:21,123 INFO L184 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2022-11-16 19:36:21,124 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [4, 4] total 17 [2022-11-16 19:36:21,124 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [189631708] [2022-11-16 19:36:21,124 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 19:36:21,124 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-11-16 19:36:21,125 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-16 19:36:21,125 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-11-16 19:36:21,125 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=91, Invalid=172, Unknown=9, NotChecked=0, Total=272 [2022-11-16 19:36:21,126 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) [2022-11-16 19:36:23,459 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.95s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-16 19:36:23,584 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 19:36:23,584 INFO L93 Difference]: Finished difference Result 267 states and 342 transitions. [2022-11-16 19:36:23,589 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-11-16 19:36:23,590 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 [2022-11-16 19:36:23,590 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 19:36:23,591 INFO L225 Difference]: With dead ends: 267 [2022-11-16 19:36:23,591 INFO L226 Difference]: Without dead ends: 142 [2022-11-16 19:36:23,592 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 193 GetRequests, 176 SyntacticMatches, 2 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 86 ImplicationChecksByTransitivity, 50.2s TimeCoverageRelationStatistics Valid=91, Invalid=172, Unknown=9, NotChecked=0, Total=272 [2022-11-16 19:36:23,593 INFO L413 NwaCegarLoop]: 141 mSDtfsCounter, 6 mSDsluCounter, 776 mSDsCounter, 0 mSdLazyCounter, 19 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6 SdHoareTripleChecker+Valid, 917 SdHoareTripleChecker+Invalid, 441 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 19 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 422 IncrementalHoareTripleChecker+Unchecked, 2.4s IncrementalHoareTripleChecker+Time [2022-11-16 19:36:23,593 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6 Valid, 917 Invalid, 441 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 19 Invalid, 0 Unknown, 422 Unchecked, 2.4s Time] [2022-11-16 19:36:23,594 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 142 states. [2022-11-16 19:36:23,623 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 142 to 142. [2022-11-16 19:36:23,623 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) [2022-11-16 19:36:23,625 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 142 states to 142 states and 179 transitions. [2022-11-16 19:36:23,625 INFO L78 Accepts]: Start accepts. Automaton has 142 states and 179 transitions. Word has length 65 [2022-11-16 19:36:23,625 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 19:36:23,625 INFO L495 AbstractCegarLoop]: Abstraction has 142 states and 179 transitions. [2022-11-16 19:36:23,626 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) [2022-11-16 19:36:23,626 INFO L276 IsEmpty]: Start isEmpty. Operand 142 states and 179 transitions. [2022-11-16 19:36:23,628 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2022-11-16 19:36:23,628 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 19:36:23,628 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] [2022-11-16 19:36:23,645 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc51f94d-a2a8-4b39-afde-0f5b0c3e3808/bin/utaipan-Xvt2sAort0/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-11-16 19:36:23,839 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc51f94d-a2a8-4b39-afde-0f5b0c3e3808/bin/utaipan-Xvt2sAort0/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-16 19:36:23,840 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 19:36:23,840 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 19:36:23,840 INFO L85 PathProgramCache]: Analyzing trace with hash 501515405, now seen corresponding path program 1 times [2022-11-16 19:36:23,840 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-16 19:36:23,840 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [832711296] [2022-11-16 19:36:23,840 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 19:36:23,841 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 19:36:24,020 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-16 19:36:24,020 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1012110074] [2022-11-16 19:36:24,020 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 19:36:24,020 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-16 19:36:24,021 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc51f94d-a2a8-4b39-afde-0f5b0c3e3808/bin/utaipan-Xvt2sAort0/z3 [2022-11-16 19:36:24,023 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc51f94d-a2a8-4b39-afde-0f5b0c3e3808/bin/utaipan-Xvt2sAort0/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-16 19:36:24,051 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc51f94d-a2a8-4b39-afde-0f5b0c3e3808/bin/utaipan-Xvt2sAort0/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-11-16 19:36:25,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 19:36:25,268 INFO L263 TraceCheckSpWp]: Trace formula consists of 2208 conjuncts, 3 conjunts are in the unsatisfiable core [2022-11-16 19:36:25,273 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 19:36:25,387 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2022-11-16 19:36:25,388 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-16 19:36:25,516 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2022-11-16 19:36:25,516 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-16 19:36:25,516 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [832711296] [2022-11-16 19:36:25,516 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-16 19:36:25,516 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1012110074] [2022-11-16 19:36:25,516 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1012110074] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-16 19:36:25,517 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [110017913] [2022-11-16 19:36:25,520 INFO L159 IcfgInterpreter]: Started Sifa with 62 locations of interest [2022-11-16 19:36:25,521 INFO L166 IcfgInterpreter]: Building call graph [2022-11-16 19:36:25,521 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-16 19:36:25,521 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-16 19:36:25,522 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-16 19:36:25,594 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:36:25,595 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 [2022-11-16 19:36:25,634 INFO L321 Elim1Store]: treesize reduction 20, result has 48.7 percent of original size [2022-11-16 19:36:25,635 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 [2022-11-16 19:36:25,681 INFO L321 Elim1Store]: treesize reduction 36, result has 34.5 percent of original size [2022-11-16 19:36:25,681 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 [2022-11-16 19:36:25,695 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:36:25,696 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 [2022-11-16 19:36:25,704 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:36:25,705 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 19:36:25,706 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 [2022-11-16 19:36:26,002 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 [2022-11-16 19:36:26,023 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:36:26,024 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:36:26,025 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:36:26,027 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:36:26,028 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:36:26,029 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:36:26,030 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:36:26,031 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:36:26,032 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:36:26,034 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:36:26,035 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:36:26,036 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:36:26,037 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:36:26,051 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 [2022-11-16 19:36:26,078 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:36:26,080 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:36:26,081 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:36:26,082 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:36:26,083 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:36:26,084 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:36:26,086 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:36:26,087 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:36:26,088 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:36:26,089 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:36:26,091 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:36:26,092 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:36:26,093 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:36:26,095 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 [2022-11-16 19:36:26,128 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 [2022-11-16 19:36:26,169 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:36:26,170 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:36:26,171 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:36:26,173 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:36:26,174 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:36:26,175 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:36:26,177 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:36:26,178 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:36:26,179 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:36:26,181 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:36:26,182 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:36:26,183 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:36:26,184 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:36:26,185 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:36:26,187 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:36:26,188 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:36:26,189 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:36:26,206 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 [2022-11-16 19:36:26,236 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:36:26,237 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:36:26,238 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:36:26,239 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:36:26,241 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:36:26,242 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:36:26,243 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:36:26,244 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:36:26,245 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:36:26,247 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:36:26,248 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:36:26,249 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:36:26,250 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:36:26,251 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:36:26,252 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:36:26,253 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:36:26,254 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:36:26,257 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 [2022-11-16 19:36:26,284 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 [2022-11-16 19:36:26,297 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 [2022-11-16 19:36:26,343 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 [2022-11-16 19:36:26,419 INFO L321 Elim1Store]: treesize reduction 48, result has 48.9 percent of original size [2022-11-16 19:36:26,419 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 [2022-11-16 19:36:26,511 INFO L321 Elim1Store]: treesize reduction 90, result has 33.8 percent of original size [2022-11-16 19:36:26,511 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 [2022-11-16 19:36:26,543 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:36:26,545 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:36:26,546 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:36:26,548 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:36:26,550 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:36:26,551 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:36:26,553 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:36:26,555 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:36:26,556 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:36:26,558 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:36:26,560 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:36:26,562 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:36:26,563 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:36:26,565 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:36:26,567 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:36:26,568 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:36:26,570 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:36:26,573 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 32 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 9075051 treesize of output 5376293 [2022-11-16 19:36:26,610 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 [2022-11-16 19:36:26,759 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2022-11-16 19:36:26,763 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2022-11-16 19:36:26,768 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2022-11-16 19:36:26,856 INFO L321 Elim1Store]: treesize reduction 15, result has 42.3 percent of original size [2022-11-16 19:36:26,857 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 53 treesize of output 56 [2022-11-16 19:36:26,893 INFO L321 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2022-11-16 19:36:26,894 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 47 treesize of output 50 [2022-11-16 19:36:26,924 INFO L321 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2022-11-16 19:36:26,924 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 43 treesize of output 46 [2022-11-16 19:36:26,962 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 10 [2022-11-16 19:36:26,968 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 10 [2022-11-16 19:36:26,976 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 [2022-11-16 19:36:27,051 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:36:27,053 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:36:27,054 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:36:27,055 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:36:27,057 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:36:27,058 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:36:27,059 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:36:27,060 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:36:27,061 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:36:27,063 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:36:27,064 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:36:27,065 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:36:27,066 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:36:27,071 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 [2022-11-16 19:36:27,095 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 [2022-11-16 19:36:27,111 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 [2022-11-16 19:36:27,272 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:36:27,274 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:36:27,275 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:36:27,276 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:36:27,277 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:36:27,279 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:36:27,280 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:36:27,281 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:36:27,282 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:36:27,284 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:36:27,285 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:36:27,286 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:36:27,288 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:36:27,290 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 [2022-11-16 19:36:27,310 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 [2022-11-16 19:36:27,328 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 [2022-11-16 19:36:30,028 INFO L217 Elim1Store]: Index analysis took 2425 ms [2022-11-16 19:36:33,719 INFO L321 Elim1Store]: treesize reduction 96, result has 17.9 percent of original size [2022-11-16 19:36:33,720 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 [2022-11-16 19:36:36,229 INFO L217 Elim1Store]: Index analysis took 2322 ms [2022-11-16 19:36:42,515 WARN L233 SmtUtils]: Spent 6.28s on a formula simplification. DAG size of input: 78 DAG size of output: 18 (called from [L 318] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2022-11-16 19:36:42,516 INFO L321 Elim1Store]: treesize reduction 144, result has 12.7 percent of original size [2022-11-16 19:36:42,517 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 [2022-11-16 19:36:52,456 WARN L233 SmtUtils]: Spent 9.69s 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) [2022-11-16 19:36:52,456 INFO L321 Elim1Store]: treesize reduction 340, result has 16.0 percent of original size [2022-11-16 19:36:52,457 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 5 new quantified variables, introduced 4 case distinctions, treesize of input 1986 treesize of output 1476 [2022-11-16 19:37:18,353 WARN L233 SmtUtils]: Spent 25.75s 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) [2022-11-16 19:37:18,353 INFO L321 Elim1Store]: treesize reduction 266, result has 31.6 percent of original size [2022-11-16 19:37:18,354 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 4 stores, 1 select indices, 1 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 7 new quantified variables, introduced 8 case distinctions, treesize of input 2005 treesize of output 1824 [2022-11-16 19:37:19,431 INFO L217 Elim1Store]: Index analysis took 829 ms [2022-11-16 19:37:44,825 WARN L233 SmtUtils]: Spent 24.48s on a formula simplification. DAG size of input: 252 DAG size of output: 150 (called from [L 318] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2022-11-16 19:37:44,827 INFO L321 Elim1Store]: treesize reduction 2438, result has 32.1 percent of original size [2022-11-16 19:37:44,827 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 4 stores, 0 select indices, 0 select index equivalence classes, 7 disjoint index pairs (out of 0 index pairs), introduced 4 new quantified variables, introduced 16 case distinctions, treesize of input 1542 treesize of output 2093 [2022-11-16 19:37:45,647 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 19:37:45,971 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 19:37:45,971 INFO L217 Elim1Store]: Index analysis took 324 ms [2022-11-16 19:37:45,973 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 3 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 80 treesize of output 89 [2022-11-16 19:37:46,144 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:37:46,146 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 30 [2022-11-16 19:37:46,205 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-16 19:37:46,848 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 19:37:46,850 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 92 treesize of output 71 [2022-11-16 19:37:46,948 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:37:47,004 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:37:47,006 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 71 treesize of output 57 [2022-11-16 19:37:48,049 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:37:48,051 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 13 [2022-11-16 19:41:06,216 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:41:06,218 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 13