./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/uthash-2.0.2/uthash_SAX_test1-2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 38b53e6a Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e71c32d-8ea3-4ad7-9d92-f4b66806d341/bin/utaipan-ByfvJB40ur/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e71c32d-8ea3-4ad7-9d92-f4b66806d341/bin/utaipan-ByfvJB40ur/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e71c32d-8ea3-4ad7-9d92-f4b66806d341/bin/utaipan-ByfvJB40ur/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e71c32d-8ea3-4ad7-9d92-f4b66806d341/bin/utaipan-ByfvJB40ur/config/TaipanReach.xml -i ../../sv-benchmarks/c/uthash-2.0.2/uthash_SAX_test1-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e71c32d-8ea3-4ad7-9d92-f4b66806d341/bin/utaipan-ByfvJB40ur/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e71c32d-8ea3-4ad7-9d92-f4b66806d341/bin/utaipan-ByfvJB40ur --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 7f552e336cb6eb3ea16ba25a84411e1d0c8dcfaa2b088c21df87ffefed1a84a7 --- 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-38b53e6 [2022-11-26 00:41:02,546 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-26 00:41:02,549 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-26 00:41:02,586 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-26 00:41:02,590 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-26 00:41:02,595 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-26 00:41:02,597 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-26 00:41:02,601 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-26 00:41:02,603 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-26 00:41:02,610 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-26 00:41:02,612 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-26 00:41:02,614 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-26 00:41:02,615 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-26 00:41:02,616 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-26 00:41:02,617 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-26 00:41:02,618 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-26 00:41:02,620 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-26 00:41:02,621 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-26 00:41:02,623 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-26 00:41:02,625 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-26 00:41:02,627 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-26 00:41:02,628 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-26 00:41:02,629 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-26 00:41:02,630 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-26 00:41:02,634 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-26 00:41:02,635 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-26 00:41:02,635 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-26 00:41:02,636 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-26 00:41:02,637 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-26 00:41:02,638 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-26 00:41:02,638 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-26 00:41:02,639 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-26 00:41:02,640 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-26 00:41:02,641 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-26 00:41:02,642 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-26 00:41:02,642 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-26 00:41:02,643 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-26 00:41:02,643 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-26 00:41:02,644 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-26 00:41:02,645 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-26 00:41:02,646 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-26 00:41:02,647 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e71c32d-8ea3-4ad7-9d92-f4b66806d341/bin/utaipan-ByfvJB40ur/config/svcomp-Reach-32bit-Taipan_Default.epf [2022-11-26 00:41:02,672 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-26 00:41:02,672 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-26 00:41:02,673 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-26 00:41:02,673 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-26 00:41:02,674 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-26 00:41:02,674 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-26 00:41:02,674 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-26 00:41:02,675 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-26 00:41:02,675 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-26 00:41:02,675 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-26 00:41:02,675 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-26 00:41:02,676 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-26 00:41:02,676 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-26 00:41:02,676 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-26 00:41:02,676 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-26 00:41:02,677 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-26 00:41:02,677 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-26 00:41:02,677 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-26 00:41:02,678 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-26 00:41:02,678 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-26 00:41:02,678 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-26 00:41:02,679 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-26 00:41:02,679 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-26 00:41:02,679 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-26 00:41:02,679 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-26 00:41:02,680 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-26 00:41:02,680 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-26 00:41:02,680 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-26 00:41:02,680 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-26 00:41:02,681 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-26 00:41:02,681 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-26 00:41:02,681 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-26 00:41:02,681 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-26 00:41:02,682 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-26 00:41:02,682 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-26 00:41:02,682 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-26 00:41:02,682 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-26 00:41:02,682 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-26 00:41:02,683 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-26 00:41:02,683 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-26 00:41:02,683 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-26 00:41:02,683 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_1e71c32d-8ea3-4ad7-9d92-f4b66806d341/bin/utaipan-ByfvJB40ur/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e71c32d-8ea3-4ad7-9d92-f4b66806d341/bin/utaipan-ByfvJB40ur Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 7f552e336cb6eb3ea16ba25a84411e1d0c8dcfaa2b088c21df87ffefed1a84a7 [2022-11-26 00:41:02,920 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-26 00:41:02,953 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-26 00:41:02,956 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-26 00:41:02,958 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-26 00:41:02,958 INFO L275 PluginConnector]: CDTParser initialized [2022-11-26 00:41:02,959 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e71c32d-8ea3-4ad7-9d92-f4b66806d341/bin/utaipan-ByfvJB40ur/../../sv-benchmarks/c/uthash-2.0.2/uthash_SAX_test1-2.i [2022-11-26 00:41:06,241 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-26 00:41:06,547 INFO L351 CDTParser]: Found 1 translation units. [2022-11-26 00:41:06,563 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e71c32d-8ea3-4ad7-9d92-f4b66806d341/sv-benchmarks/c/uthash-2.0.2/uthash_SAX_test1-2.i [2022-11-26 00:41:06,586 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e71c32d-8ea3-4ad7-9d92-f4b66806d341/bin/utaipan-ByfvJB40ur/data/5f93e79b8/83a9a37c254e4c0393610506277d4f0e/FLAG713372101 [2022-11-26 00:41:06,601 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e71c32d-8ea3-4ad7-9d92-f4b66806d341/bin/utaipan-ByfvJB40ur/data/5f93e79b8/83a9a37c254e4c0393610506277d4f0e [2022-11-26 00:41:06,604 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-26 00:41:06,606 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-26 00:41:06,608 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-26 00:41:06,608 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-26 00:41:06,612 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-26 00:41:06,613 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 12:41:06" (1/1) ... [2022-11-26 00:41:06,614 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@64f7f2c4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:41:06, skipping insertion in model container [2022-11-26 00:41:06,614 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 12:41:06" (1/1) ... [2022-11-26 00:41:06,622 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-26 00:41:06,700 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-26 00:41:07,140 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e71c32d-8ea3-4ad7-9d92-f4b66806d341/sv-benchmarks/c/uthash-2.0.2/uthash_SAX_test1-2.i[33021,33034] [2022-11-26 00:41:07,229 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-26 00:41:07,240 INFO L203 MainTranslator]: Completed pre-run [2022-11-26 00:41:07,273 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e71c32d-8ea3-4ad7-9d92-f4b66806d341/sv-benchmarks/c/uthash-2.0.2/uthash_SAX_test1-2.i[33021,33034] [2022-11-26 00:41:07,327 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-26 00:41:07,364 INFO L208 MainTranslator]: Completed translation [2022-11-26 00:41:07,365 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:41:07 WrapperNode [2022-11-26 00:41:07,365 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-26 00:41:07,366 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-26 00:41:07,366 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-26 00:41:07,366 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-26 00:41:07,373 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:41:07" (1/1) ... [2022-11-26 00:41:07,406 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:41:07" (1/1) ... [2022-11-26 00:41:07,486 INFO L138 Inliner]: procedures = 177, calls = 237, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 772 [2022-11-26 00:41:07,486 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-26 00:41:07,487 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-26 00:41:07,487 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-26 00:41:07,487 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-26 00:41:07,511 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:41:07" (1/1) ... [2022-11-26 00:41:07,512 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:41:07" (1/1) ... [2022-11-26 00:41:07,523 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:41:07" (1/1) ... [2022-11-26 00:41:07,523 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:41:07" (1/1) ... [2022-11-26 00:41:07,582 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:41:07" (1/1) ... [2022-11-26 00:41:07,602 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:41:07" (1/1) ... [2022-11-26 00:41:07,606 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:41:07" (1/1) ... [2022-11-26 00:41:07,610 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:41:07" (1/1) ... [2022-11-26 00:41:07,627 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-26 00:41:07,628 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-26 00:41:07,628 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-26 00:41:07,628 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-26 00:41:07,629 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:41:07" (1/1) ... [2022-11-26 00:41:07,649 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-26 00:41:07,666 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e71c32d-8ea3-4ad7-9d92-f4b66806d341/bin/utaipan-ByfvJB40ur/z3 [2022-11-26 00:41:07,689 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e71c32d-8ea3-4ad7-9d92-f4b66806d341/bin/utaipan-ByfvJB40ur/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-26 00:41:07,704 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e71c32d-8ea3-4ad7-9d92-f4b66806d341/bin/utaipan-ByfvJB40ur/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-26 00:41:07,743 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-26 00:41:07,744 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2022-11-26 00:41:07,744 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2022-11-26 00:41:07,744 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-26 00:41:07,744 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-11-26 00:41:07,744 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-11-26 00:41:07,745 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-26 00:41:07,745 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-26 00:41:07,745 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-26 00:41:07,745 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-26 00:41:07,745 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-26 00:41:07,746 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-26 00:41:07,746 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-26 00:41:07,746 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-26 00:41:07,746 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-26 00:41:08,038 INFO L235 CfgBuilder]: Building ICFG [2022-11-26 00:41:08,040 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-26 00:41:09,369 INFO L276 CfgBuilder]: Performing block encoding [2022-11-26 00:41:09,765 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-26 00:41:09,765 INFO L300 CfgBuilder]: Removed 40 assume(true) statements. [2022-11-26 00:41:09,768 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 12:41:09 BoogieIcfgContainer [2022-11-26 00:41:09,768 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-26 00:41:09,771 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-26 00:41:09,771 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-26 00:41:09,774 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-26 00:41:09,775 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 26.11 12:41:06" (1/3) ... [2022-11-26 00:41:09,775 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@65739159 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.11 12:41:09, skipping insertion in model container [2022-11-26 00:41:09,776 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:41:07" (2/3) ... [2022-11-26 00:41:09,776 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@65739159 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.11 12:41:09, skipping insertion in model container [2022-11-26 00:41:09,776 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 12:41:09" (3/3) ... [2022-11-26 00:41:09,778 INFO L112 eAbstractionObserver]: Analyzing ICFG uthash_SAX_test1-2.i [2022-11-26 00:41:09,800 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-26 00:41:09,800 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-26 00:41:09,869 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-26 00:41:09,876 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;@73fba95f, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-26 00:41:09,877 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-26 00:41:09,882 INFO L276 IsEmpty]: Start isEmpty. Operand has 95 states, 78 states have (on average 1.7820512820512822) internal successors, (139), 89 states have internal predecessors, (139), 13 states have call successors, (13), 2 states have call predecessors, (13), 2 states have return successors, (13), 4 states have call predecessors, (13), 13 states have call successors, (13) [2022-11-26 00:41:09,891 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-11-26 00:41:09,891 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:41:09,892 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2022-11-26 00:41:09,892 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-26 00:41:09,899 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:41:09,900 INFO L85 PathProgramCache]: Analyzing trace with hash 1188044108, now seen corresponding path program 1 times [2022-11-26 00:41:09,911 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:41:09,911 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [86101650] [2022-11-26 00:41:09,912 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:41:09,913 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:41:10,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:41:10,172 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-26 00:41:10,173 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:41:10,173 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [86101650] [2022-11-26 00:41:10,174 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [86101650] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:41:10,174 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 00:41:10,174 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-26 00:41:10,176 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [378059980] [2022-11-26 00:41:10,177 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:41:10,181 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-26 00:41:10,181 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:41:10,210 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-26 00:41:10,211 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-26 00:41:10,214 INFO L87 Difference]: Start difference. First operand has 95 states, 78 states have (on average 1.7820512820512822) internal successors, (139), 89 states have internal predecessors, (139), 13 states have call successors, (13), 2 states have call predecessors, (13), 2 states have return successors, (13), 4 states have call predecessors, (13), 13 states have call successors, (13) Second operand has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 2 states have internal predecessors, (7), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:41:11,099 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:41:11,100 INFO L93 Difference]: Finished difference Result 237 states and 426 transitions. [2022-11-26 00:41:11,104 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-26 00:41:11,106 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 [2022-11-26 00:41:11,106 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:41:11,129 INFO L225 Difference]: With dead ends: 237 [2022-11-26 00:41:11,129 INFO L226 Difference]: Without dead ends: 128 [2022-11-26 00:41:11,133 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 [2022-11-26 00:41:11,137 INFO L413 NwaCegarLoop]: 111 mSDtfsCounter, 49 mSDsluCounter, 108 mSDsCounter, 0 mSdLazyCounter, 35 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 52 SdHoareTripleChecker+Valid, 219 SdHoareTripleChecker+Invalid, 35 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 35 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2022-11-26 00:41:11,138 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [52 Valid, 219 Invalid, 35 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 35 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2022-11-26 00:41:11,159 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 128 states. [2022-11-26 00:41:11,188 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 128 to 81. [2022-11-26 00:41:11,190 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 81 states, 65 states have (on average 1.2769230769230768) internal successors, (83), 75 states have internal predecessors, (83), 13 states have call successors, (13), 2 states have call predecessors, (13), 2 states have return successors, (13), 4 states have call predecessors, (13), 13 states have call successors, (13) [2022-11-26 00:41:11,191 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 81 states and 109 transitions. [2022-11-26 00:41:11,193 INFO L78 Accepts]: Start accepts. Automaton has 81 states and 109 transitions. Word has length 8 [2022-11-26 00:41:11,193 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:41:11,194 INFO L495 AbstractCegarLoop]: Abstraction has 81 states and 109 transitions. [2022-11-26 00:41:11,194 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) [2022-11-26 00:41:11,194 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 109 transitions. [2022-11-26 00:41:11,196 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2022-11-26 00:41:11,196 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:41:11,197 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-26 00:41:11,197 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-26 00:41:11,197 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-26 00:41:11,198 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:41:11,198 INFO L85 PathProgramCache]: Analyzing trace with hash -1591518395, now seen corresponding path program 1 times [2022-11-26 00:41:11,198 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:41:11,199 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [331991357] [2022-11-26 00:41:11,199 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:41:11,199 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:41:11,410 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-26 00:41:11,411 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1514173144] [2022-11-26 00:41:11,411 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:41:11,411 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-26 00:41:11,412 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e71c32d-8ea3-4ad7-9d92-f4b66806d341/bin/utaipan-ByfvJB40ur/z3 [2022-11-26 00:41:11,419 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e71c32d-8ea3-4ad7-9d92-f4b66806d341/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-26 00:41:11,447 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e71c32d-8ea3-4ad7-9d92-f4b66806d341/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-11-26 00:41:12,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:41:12,218 INFO L263 TraceCheckSpWp]: Trace formula consists of 1576 conjuncts, 3 conjunts are in the unsatisfiable core [2022-11-26 00:41:12,226 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-26 00:41:12,363 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-26 00:41:12,363 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-26 00:41:12,463 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-26 00:41:12,464 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:41:12,464 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [331991357] [2022-11-26 00:41:12,464 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-26 00:41:12,464 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1514173144] [2022-11-26 00:41:12,465 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1514173144] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-26 00:41:12,465 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1352826185] [2022-11-26 00:41:12,499 INFO L159 IcfgInterpreter]: Started Sifa with 31 locations of interest [2022-11-26 00:41:12,499 INFO L166 IcfgInterpreter]: Building call graph [2022-11-26 00:41:12,502 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-26 00:41:12,508 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-26 00:41:12,509 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-26 00:41:12,685 INFO L321 Elim1Store]: treesize reduction 20, result has 48.7 percent of original size [2022-11-26 00:41:12,686 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 [2022-11-26 00:41:12,715 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:41:12,717 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 [2022-11-26 00:41:12,732 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:41:12,734 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 [2022-11-26 00:41:12,745 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:41:12,746 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:41:12,749 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:41:12,772 INFO L321 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2022-11-26 00:41:12,774 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 [2022-11-26 00:41:12,837 INFO L321 Elim1Store]: treesize reduction 36, result has 34.5 percent of original size [2022-11-26 00:41:12,838 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 [2022-11-26 00:41:13,320 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:41:13,321 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:41:13,323 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:41:13,324 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:41:13,325 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:41:13,326 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:41:13,327 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:41:13,329 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:41:13,330 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:41:13,331 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:41:13,332 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:41:13,334 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:41:13,335 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:41:13,349 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 [2022-11-26 00:41:13,420 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:41:13,421 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:41:13,422 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:41:13,424 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:41:13,425 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:41:13,426 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:41:13,427 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:41:13,429 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:41:13,430 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:41:13,431 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:41:13,432 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:41:13,433 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:41:13,434 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:41:13,440 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 [2022-11-26 00:41:13,478 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 [2022-11-26 00:41:13,502 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 [2022-11-26 00:41:13,917 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 [2022-11-26 00:41:13,984 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:41:13,987 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:41:13,991 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:41:13,993 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:41:13,994 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:41:13,996 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:41:13,997 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:41:13,999 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:41:14,000 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:41:14,001 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:41:14,003 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:41:14,004 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:41:14,006 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:41:14,036 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 [2022-11-26 00:41:14,074 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:41:14,076 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:41:14,077 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:41:14,078 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:41:14,080 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:41:14,082 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:41:14,083 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:41:14,084 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:41:14,086 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:41:14,088 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:41:14,089 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:41:14,090 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:41:14,092 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:41:14,097 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 [2022-11-26 00:41:14,148 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 [2022-11-26 00:41:14,185 INFO L180 IcfgInterpreter]: Interpretation finished [2022-11-26 00:41:22,234 WARN L233 SmtUtils]: Spent 5.27s on a formula simplification. DAG size of input: 219 DAG size of output: 208 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-26 00:41:29,783 WARN L233 SmtUtils]: Spent 5.42s on a formula simplification. DAG size of input: 235 DAG size of output: 224 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-26 00:41:29,790 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSifa [1352826185] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:41:29,790 INFO L184 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2022-11-26 00:41:29,791 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [3, 3] total 11 [2022-11-26 00:41:29,792 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [957292273] [2022-11-26 00:41:29,792 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:41:29,807 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-11-26 00:41:29,807 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:41:29,808 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-11-26 00:41:29,810 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=61, Invalid=69, Unknown=2, NotChecked=0, Total=132 [2022-11-26 00:41:29,810 INFO L87 Difference]: Start difference. First operand 81 states and 109 transitions. Second operand has 8 states, 8 states have (on average 3.75) internal successors, (30), 7 states have internal predecessors, (30), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:41:33,693 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2022-11-26 00:41:35,783 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2022-11-26 00:41:39,090 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-26 00:41:40,224 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.13s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-26 00:41:40,225 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:41:40,226 INFO L93 Difference]: Finished difference Result 171 states and 229 transitions. [2022-11-26 00:41:40,236 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-11-26 00:41:40,237 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 3.75) internal successors, (30), 7 states have internal predecessors, (30), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 31 [2022-11-26 00:41:40,237 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:41:40,238 INFO L225 Difference]: With dead ends: 171 [2022-11-26 00:41:40,238 INFO L226 Difference]: Without dead ends: 92 [2022-11-26 00:41:40,239 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 92 GetRequests, 81 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 40 ImplicationChecksByTransitivity, 16.9s TimeCoverageRelationStatistics Valid=71, Invalid=83, Unknown=2, NotChecked=0, Total=156 [2022-11-26 00:41:40,240 INFO L413 NwaCegarLoop]: 93 mSDtfsCounter, 0 mSDsluCounter, 159 mSDsCounter, 0 mSdLazyCounter, 95 mSolverCounterSat, 3 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 252 SdHoareTripleChecker+Invalid, 101 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 95 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.0s IncrementalHoareTripleChecker+Time [2022-11-26 00:41:40,241 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 252 Invalid, 101 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 95 Invalid, 3 Unknown, 0 Unchecked, 9.0s Time] [2022-11-26 00:41:40,242 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 92 states. [2022-11-26 00:41:40,260 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 92 to 91. [2022-11-26 00:41:40,262 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 91 states, 75 states have (on average 1.24) internal successors, (93), 85 states have internal predecessors, (93), 13 states have call successors, (13), 2 states have call predecessors, (13), 2 states have return successors, (13), 4 states have call predecessors, (13), 13 states have call successors, (13) [2022-11-26 00:41:40,263 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 91 states and 119 transitions. [2022-11-26 00:41:40,264 INFO L78 Accepts]: Start accepts. Automaton has 91 states and 119 transitions. Word has length 31 [2022-11-26 00:41:40,265 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:41:40,265 INFO L495 AbstractCegarLoop]: Abstraction has 91 states and 119 transitions. [2022-11-26 00:41:40,266 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 3.75) internal successors, (30), 7 states have internal predecessors, (30), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:41:40,266 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 119 transitions. [2022-11-26 00:41:40,267 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2022-11-26 00:41:40,268 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:41:40,268 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-26 00:41:40,287 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e71c32d-8ea3-4ad7-9d92-f4b66806d341/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-11-26 00:41:40,478 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e71c32d-8ea3-4ad7-9d92-f4b66806d341/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable1 [2022-11-26 00:41:40,479 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-26 00:41:40,479 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:41:40,480 INFO L85 PathProgramCache]: Analyzing trace with hash -725737884, now seen corresponding path program 1 times [2022-11-26 00:41:40,480 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:41:40,480 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1763878801] [2022-11-26 00:41:40,480 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:41:40,480 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:41:40,569 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-26 00:41:40,570 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1803936380] [2022-11-26 00:41:40,571 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:41:40,571 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-26 00:41:40,572 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e71c32d-8ea3-4ad7-9d92-f4b66806d341/bin/utaipan-ByfvJB40ur/z3 [2022-11-26 00:41:40,573 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e71c32d-8ea3-4ad7-9d92-f4b66806d341/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-26 00:41:40,608 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e71c32d-8ea3-4ad7-9d92-f4b66806d341/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-11-26 00:41:41,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:41:41,113 INFO L263 TraceCheckSpWp]: Trace formula consists of 713 conjuncts, 3 conjunts are in the unsatisfiable core [2022-11-26 00:41:41,120 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-26 00:41:41,250 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-11-26 00:41:41,250 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-26 00:41:41,370 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-11-26 00:41:41,370 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:41:41,371 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1763878801] [2022-11-26 00:41:41,371 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-26 00:41:41,371 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1803936380] [2022-11-26 00:41:41,371 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1803936380] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-26 00:41:41,372 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1277606726] [2022-11-26 00:41:41,375 INFO L159 IcfgInterpreter]: Started Sifa with 41 locations of interest [2022-11-26 00:41:41,376 INFO L166 IcfgInterpreter]: Building call graph [2022-11-26 00:41:41,376 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-26 00:41:41,376 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-26 00:41:41,377 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-26 00:41:41,419 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:41:41,420 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 [2022-11-26 00:41:41,463 INFO L321 Elim1Store]: treesize reduction 36, result has 34.5 percent of original size [2022-11-26 00:41:41,464 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 [2022-11-26 00:41:41,481 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:41:41,483 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:41:41,484 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 [2022-11-26 00:41:41,499 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 [2022-11-26 00:41:41,516 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:41:41,517 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 7 [2022-11-26 00:41:41,801 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 [2022-11-26 00:41:41,828 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 [2022-11-26 00:41:41,849 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:41:41,851 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:41:41,852 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:41:41,854 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:41:41,856 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:41:41,857 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:41:41,858 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:41:41,860 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:41:41,861 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:41:41,863 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:41:41,864 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:41:41,866 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:41:41,867 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:41:41,893 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 [2022-11-26 00:41:41,964 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:41:41,966 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:41:41,967 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:41:41,969 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:41:41,970 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:41:41,971 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:41:41,973 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:41:41,974 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:41:41,976 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:41:41,977 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:41:41,979 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:41:41,980 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:41:41,982 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:41:41,985 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 [2022-11-26 00:41:42,036 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 [2022-11-26 00:41:42,058 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:41:42,062 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:41:42,063 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:41:42,065 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:41:42,066 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:41:42,068 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:41:42,069 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:41:42,070 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:41:42,072 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:41:42,073 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:41:42,075 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:41:42,076 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:41:42,077 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:41:42,079 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:41:42,080 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:41:42,082 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:41:42,083 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:41:42,102 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 [2022-11-26 00:41:42,132 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:41:42,133 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:41:42,134 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:41:42,135 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:41:42,136 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:41:42,137 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:41:42,138 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:41:42,139 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:41:42,140 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:41:42,141 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:41:42,142 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:41:42,143 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:41:42,144 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:41:42,147 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:41:42,148 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:41:42,149 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:41:42,150 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:41:42,153 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 [2022-11-26 00:41:42,181 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 [2022-11-26 00:41:42,218 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:41:42,219 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:41:42,220 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:41:42,221 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:41:42,222 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:41:42,224 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:41:42,225 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:41:42,226 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:41:42,227 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:41:42,228 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:41:42,233 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:41:42,234 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:41:42,236 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:41:42,237 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:41:42,238 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:41:42,240 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:41:42,241 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:41:42,244 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 [2022-11-26 00:41:42,277 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 [2022-11-26 00:41:42,306 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 [2022-11-26 00:41:42,381 INFO L321 Elim1Store]: treesize reduction 48, result has 48.9 percent of original size [2022-11-26 00:41:42,382 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 [2022-11-26 00:41:42,475 INFO L321 Elim1Store]: treesize reduction 90, result has 33.8 percent of original size [2022-11-26 00:41:42,475 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 [2022-11-26 00:41:43,402 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 [2022-11-26 00:41:43,420 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 [2022-11-26 00:41:43,437 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:41:43,438 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:41:43,439 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:41:43,441 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:41:43,442 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:41:43,443 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:41:43,445 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:41:43,446 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:41:43,447 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:41:43,453 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:41:43,454 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:41:43,456 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:41:43,457 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:41:43,474 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 [2022-11-26 00:41:43,504 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:41:43,505 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:41:43,506 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:41:43,508 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:41:43,509 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:41:43,510 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:41:43,512 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:41:43,513 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:41:43,515 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:41:43,516 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:41:43,517 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:41:43,519 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:41:43,520 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:41:43,523 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 [2022-11-26 00:41:43,643 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 [2022-11-26 00:41:43,655 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 [2022-11-26 00:41:43,676 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:41:43,678 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:41:43,679 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:41:43,681 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:41:43,682 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:41:43,684 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:41:43,687 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:41:43,688 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:41:43,690 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:41:43,691 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:41:43,693 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:41:43,694 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:41:43,696 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:41:43,697 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:41:43,699 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:41:43,700 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:41:43,702 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:41:43,725 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 32 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 9897003 treesize of output 5376293 [2022-11-26 00:41:43,766 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:41:43,768 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:41:43,769 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:41:43,771 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:41:43,773 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:41:43,774 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:41:43,776 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:41:43,777 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:41:43,779 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:41:43,780 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:41:43,782 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:41:43,783 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:41:43,785 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:41:43,787 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:41:43,788 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:41:43,790 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:41:43,791 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:41:43,795 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 32 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 9897003 treesize of output 5376293 [2022-11-26 00:41:43,877 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 [2022-11-26 00:41:43,909 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 [2022-11-26 00:41:43,990 INFO L321 Elim1Store]: treesize reduction 48, result has 48.9 percent of original size [2022-11-26 00:41:43,990 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 [2022-11-26 00:41:44,084 INFO L321 Elim1Store]: treesize reduction 90, result has 33.8 percent of original size [2022-11-26 00:41:44,085 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 [2022-11-26 00:41:44,117 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:41:44,119 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:41:44,121 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:41:44,122 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:41:44,124 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:41:44,126 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:41:44,128 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:41:44,129 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:41:44,131 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:41:44,133 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:41:44,135 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:41:44,136 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:41:44,138 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:41:44,140 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:41:44,142 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:41:44,143 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:41:44,145 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:41:44,148 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 [2022-11-26 00:41:44,252 INFO L197 IcfgInterpreter]: Interpreting procedure #Ultimate.C_memset with input of size 241 for LOIs [2022-11-26 00:41:44,395 INFO L180 IcfgInterpreter]: Interpretation finished [2022-11-26 00:41:50,341 WARN L233 SmtUtils]: Spent 5.02s on a formula simplification. DAG size of input: 219 DAG size of output: 208 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-26 00:41:57,666 WARN L233 SmtUtils]: Spent 5.21s on a formula simplification. DAG size of input: 235 DAG size of output: 224 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-26 00:42:07,617 WARN L233 SmtUtils]: Spent 5.82s on a formula simplification. DAG size of input: 246 DAG size of output: 236 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-26 00:42:20,399 WARN L233 SmtUtils]: Spent 6.60s on a formula simplification. DAG size of input: 268 DAG size of output: 250 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-26 00:42:32,731 WARN L233 SmtUtils]: Spent 6.14s on a formula simplification. DAG size of input: 268 DAG size of output: 250 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-26 00:42:33,526 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSifa [1277606726] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:42:33,526 INFO L184 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2022-11-26 00:42:33,526 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [4, 4] total 17 [2022-11-26 00:42:33,526 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1567288984] [2022-11-26 00:42:33,526 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:42:33,539 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-11-26 00:42:33,540 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:42:33,541 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-11-26 00:42:33,541 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=91, Invalid=172, Unknown=9, NotChecked=0, Total=272 [2022-11-26 00:42:33,541 INFO L87 Difference]: Start difference. First operand 91 states and 119 transitions. Second operand has 13 states, 12 states have (on average 3.0833333333333335) internal successors, (37), 11 states have internal predecessors, (37), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) [2022-11-26 00:42:36,007 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2022-11-26 00:42:38,154 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2022-11-26 00:42:40,189 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2022-11-26 00:42:42,255 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2022-11-26 00:42:44,285 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2022-11-26 00:42:46,308 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2022-11-26 00:42:48,355 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2022-11-26 00:42:50,397 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2022-11-26 00:42:52,412 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2022-11-26 00:42:59,346 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2022-11-26 00:43:00,602 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.26s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2022-11-26 00:43:02,208 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.60s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2022-11-26 00:43:03,598 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.39s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2022-11-26 00:43:05,366 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.32s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2022-11-26 00:43:07,373 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-26 00:43:07,376 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:43:07,377 INFO L93 Difference]: Finished difference Result 175 states and 234 transitions. [2022-11-26 00:43:07,386 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-11-26 00:43:07,386 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 3.0833333333333335) internal successors, (37), 11 states have internal predecessors, (37), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) Word has length 44 [2022-11-26 00:43:07,386 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:43:07,387 INFO L225 Difference]: With dead ends: 175 [2022-11-26 00:43:07,388 INFO L226 Difference]: Without dead ends: 96 [2022-11-26 00:43:07,389 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 130 GetRequests, 113 SyntacticMatches, 2 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 86 ImplicationChecksByTransitivity, 49.1s TimeCoverageRelationStatistics Valid=91, Invalid=172, Unknown=9, NotChecked=0, Total=272 [2022-11-26 00:43:07,390 INFO L413 NwaCegarLoop]: 92 mSDtfsCounter, 0 mSDsluCounter, 560 mSDsCounter, 0 mSdLazyCounter, 341 mSolverCounterSat, 0 mSolverCounterUnsat, 11 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 33.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 652 SdHoareTripleChecker+Invalid, 352 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 341 IncrementalHoareTripleChecker+Invalid, 11 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 33.8s IncrementalHoareTripleChecker+Time [2022-11-26 00:43:07,391 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 652 Invalid, 352 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 341 Invalid, 11 Unknown, 0 Unchecked, 33.8s Time] [2022-11-26 00:43:07,392 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 96 states. [2022-11-26 00:43:07,424 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 96 to 96. [2022-11-26 00:43:07,424 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 96 states, 79 states have (on average 1.2278481012658229) internal successors, (97), 89 states have internal predecessors, (97), 14 states have call successors, (14), 3 states have call predecessors, (14), 2 states have return successors, (14), 4 states have call predecessors, (14), 14 states have call successors, (14) [2022-11-26 00:43:07,426 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 96 states and 125 transitions. [2022-11-26 00:43:07,426 INFO L78 Accepts]: Start accepts. Automaton has 96 states and 125 transitions. Word has length 44 [2022-11-26 00:43:07,426 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:43:07,427 INFO L495 AbstractCegarLoop]: Abstraction has 96 states and 125 transitions. [2022-11-26 00:43:07,427 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 3.0833333333333335) internal successors, (37), 11 states have internal predecessors, (37), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) [2022-11-26 00:43:07,427 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 125 transitions. [2022-11-26 00:43:07,428 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2022-11-26 00:43:07,429 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:43:07,429 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-26 00:43:07,439 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e71c32d-8ea3-4ad7-9d92-f4b66806d341/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-11-26 00:43:07,633 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e71c32d-8ea3-4ad7-9d92-f4b66806d341/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-26 00:43:07,634 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-26 00:43:07,634 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:43:07,634 INFO L85 PathProgramCache]: Analyzing trace with hash 1505724306, now seen corresponding path program 1 times [2022-11-26 00:43:07,634 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:43:07,635 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2055616996] [2022-11-26 00:43:07,635 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:43:07,635 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:43:07,712 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-26 00:43:07,713 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1376772258] [2022-11-26 00:43:07,713 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:43:07,713 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-26 00:43:07,713 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e71c32d-8ea3-4ad7-9d92-f4b66806d341/bin/utaipan-ByfvJB40ur/z3 [2022-11-26 00:43:07,714 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e71c32d-8ea3-4ad7-9d92-f4b66806d341/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-26 00:43:07,735 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e71c32d-8ea3-4ad7-9d92-f4b66806d341/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-11-26 00:43:08,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:43:08,259 INFO L263 TraceCheckSpWp]: Trace formula consists of 728 conjuncts, 3 conjunts are in the unsatisfiable core [2022-11-26 00:43:08,262 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-26 00:43:08,345 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2022-11-26 00:43:08,345 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-26 00:43:08,439 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2022-11-26 00:43:08,439 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:43:08,439 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2055616996] [2022-11-26 00:43:08,439 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-26 00:43:08,439 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1376772258] [2022-11-26 00:43:08,440 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1376772258] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-26 00:43:08,440 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1476913370] [2022-11-26 00:43:08,443 INFO L159 IcfgInterpreter]: Started Sifa with 41 locations of interest [2022-11-26 00:43:08,443 INFO L166 IcfgInterpreter]: Building call graph [2022-11-26 00:43:08,444 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-26 00:43:08,444 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-26 00:43:08,444 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-26 00:43:08,537 INFO L321 Elim1Store]: treesize reduction 36, result has 34.5 percent of original size [2022-11-26 00:43:08,538 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 [2022-11-26 00:43:08,549 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 [2022-11-26 00:43:08,569 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:43:08,591 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:43:08,593 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 [2022-11-26 00:43:08,612 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:43:08,613 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 [2022-11-26 00:43:08,630 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:43:08,633 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 [2022-11-26 00:43:08,920 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:43:08,922 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:43:08,923 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:43:08,925 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:43:08,927 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:43:08,928 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:43:08,930 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:43:08,931 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:43:08,933 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:43:08,934 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:43:08,936 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:43:08,938 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:43:08,939 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:43:08,962 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 [2022-11-26 00:43:08,994 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:43:08,995 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:43:08,997 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:43:08,998 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:43:09,000 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:43:09,001 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:43:09,003 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:43:09,004 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:43:09,006 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:43:09,007 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:43:09,009 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:43:09,010 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:43:09,012 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:43:09,015 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 [2022-11-26 00:43:09,055 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 [2022-11-26 00:43:09,083 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 [2022-11-26 00:43:09,117 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 [2022-11-26 00:43:09,156 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:43:09,157 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:43:09,159 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:43:09,160 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:43:09,162 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:43:09,163 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:43:09,164 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:43:09,166 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:43:09,167 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:43:09,169 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:43:09,170 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:43:09,172 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:43:09,173 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:43:09,175 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:43:09,176 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:43:09,178 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:43:09,179 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:43:09,202 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 [2022-11-26 00:43:09,237 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:43:09,239 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:43:09,240 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:43:09,242 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:43:09,243 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:43:09,245 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:43:09,246 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:43:09,248 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:43:09,249 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:43:09,250 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:43:09,252 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:43:09,253 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:43:09,255 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:43:09,256 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:43:09,258 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:43:09,259 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:43:09,261 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:43:09,263 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 [2022-11-26 00:43:09,300 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 [2022-11-26 00:43:09,346 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:43:09,347 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:43:09,349 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:43:09,350 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:43:09,351 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:43:09,352 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:43:09,354 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:43:09,355 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:43:09,356 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:43:09,358 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:43:09,359 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:43:09,361 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:43:09,362 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:43:09,363 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:43:09,365 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:43:09,366 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:43:09,367 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:43:09,370 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 [2022-11-26 00:43:09,413 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 [2022-11-26 00:43:09,447 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 [2022-11-26 00:43:09,537 INFO L321 Elim1Store]: treesize reduction 90, result has 33.8 percent of original size [2022-11-26 00:43:09,538 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 [2022-11-26 00:43:09,561 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 [2022-11-26 00:43:09,732 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 [2022-11-26 00:43:09,737 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 [2022-11-26 00:43:09,743 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 [2022-11-26 00:43:09,801 INFO L321 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2022-11-26 00:43:09,802 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 51 treesize of output 54 [2022-11-26 00:43:09,847 INFO L321 Elim1Store]: treesize reduction 15, result has 42.3 percent of original size [2022-11-26 00:43:09,848 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 49 treesize of output 52 [2022-11-26 00:43:09,888 INFO L321 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2022-11-26 00:43:09,889 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 [2022-11-26 00:43:09,943 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 [2022-11-26 00:43:09,980 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 [2022-11-26 00:43:09,989 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 [2022-11-26 00:43:10,066 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:43:10,068 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:43:10,069 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:43:10,071 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:43:10,073 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:43:10,074 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:43:10,076 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:43:10,077 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:43:10,079 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:43:10,081 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:43:10,082 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:43:10,084 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:43:10,085 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:43:10,089 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 [2022-11-26 00:43:10,121 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 [2022-11-26 00:43:10,142 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 [2022-11-26 00:43:10,335 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:43:10,336 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:43:10,338 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:43:10,339 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:43:10,341 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:43:10,342 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:43:10,344 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:43:10,345 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:43:10,347 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:43:10,348 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:43:10,350 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:43:10,351 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:43:10,352 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:43:10,355 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 [2022-11-26 00:43:10,376 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 [2022-11-26 00:43:10,394 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 [2022-11-26 00:43:11,927 INFO L217 Elim1Store]: Index analysis took 1171 ms [2022-11-26 00:43:15,342 INFO L321 Elim1Store]: treesize reduction 96, result has 17.9 percent of original size [2022-11-26 00:43:15,343 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 2 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 9 case distinctions, treesize of input 10752658 treesize of output 10752661 [2022-11-26 00:43:17,688 INFO L217 Elim1Store]: Index analysis took 2040 ms [2022-11-26 00:43:25,702 WARN L233 SmtUtils]: Spent 8.01s 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) [2022-11-26 00:43:25,702 INFO L321 Elim1Store]: treesize reduction 144, result has 12.7 percent of original size [2022-11-26 00:43:25,703 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 6 select indices, 6 select index equivalence classes, 4 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 15 case distinctions, treesize of input 10752663 treesize of output 10752665 [2022-11-26 00:43:43,557 WARN L233 SmtUtils]: Spent 17.81s 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) [2022-11-26 00:43:43,557 INFO L321 Elim1Store]: treesize reduction 340, result has 16.0 percent of original size [2022-11-26 00:43:43,558 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 5 new quantified variables, introduced 4 case distinctions, treesize of input 1986 treesize of output 1476 [2022-11-26 00:44:17,422 WARN L233 SmtUtils]: Spent 33.62s 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) [2022-11-26 00:44:17,423 INFO L321 Elim1Store]: treesize reduction 266, result has 31.6 percent of original size [2022-11-26 00:44:17,424 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 4 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 7 new quantified variables, introduced 8 case distinctions, treesize of input 2005 treesize of output 1834 [2022-11-26 00:44:18,745 INFO L217 Elim1Store]: Index analysis took 1074 ms [2022-11-26 00:44:51,693 WARN L233 SmtUtils]: Spent 32.28s on a formula simplification. DAG size of input: 249 DAG size of output: 147 (called from [L 318] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2022-11-26 00:44:51,695 INFO L321 Elim1Store]: treesize reduction 2466, result has 32.0 percent of original size [2022-11-26 00:44:51,695 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 4 stores, 0 select indices, 0 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 4 new quantified variables, introduced 16 case distinctions, treesize of input 1606 treesize of output 2097 [2022-11-26 00:44:53,364 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:44:53,366 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 90 treesize of output 69 [2022-11-26 00:44:53,531 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:44:53,563 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:44:53,564 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:44:53,566 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 69 treesize of output 55 [2022-11-26 00:48:40,395 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:48:40,397 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 11 [2022-11-26 00:48:40,619 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:48:40,621 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 11 [2022-11-26 00:53:11,373 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:53:11,375 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 11 [2022-11-26 00:53:11,658 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:53:11,659 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 11