./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test4-2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 38b53e6a Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_333b0857-d2b6-4895-8e58-b7a09e489175/bin/utaipan-ByfvJB40ur/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_333b0857-d2b6-4895-8e58-b7a09e489175/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_333b0857-d2b6-4895-8e58-b7a09e489175/bin/utaipan-ByfvJB40ur/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_333b0857-d2b6-4895-8e58-b7a09e489175/bin/utaipan-ByfvJB40ur/config/TaipanReach.xml -i ../../sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test4-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_333b0857-d2b6-4895-8e58-b7a09e489175/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_333b0857-d2b6-4895-8e58-b7a09e489175/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 e095bb5ea0d924a9f9ab04ab393eec77de9b1aa4e50357711d33ebab16e651dd --- 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 00:10:43,039 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-26 00:10:43,042 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-26 00:10:43,084 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-26 00:10:43,089 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-26 00:10:43,091 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-26 00:10:43,094 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-26 00:10:43,099 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-26 00:10:43,101 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-26 00:10:43,103 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-26 00:10:43,105 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-26 00:10:43,107 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-26 00:10:43,107 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-26 00:10:43,108 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-26 00:10:43,110 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-26 00:10:43,111 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-26 00:10:43,112 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-26 00:10:43,113 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-26 00:10:43,115 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-26 00:10:43,117 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-26 00:10:43,123 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-26 00:10:43,130 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-26 00:10:43,133 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-26 00:10:43,135 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-26 00:10:43,139 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-26 00:10:43,140 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-26 00:10:43,140 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-26 00:10:43,141 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-26 00:10:43,142 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-26 00:10:43,143 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-26 00:10:43,143 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-26 00:10:43,144 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-26 00:10:43,145 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-26 00:10:43,146 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-26 00:10:43,148 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-26 00:10:43,148 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-26 00:10:43,149 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-26 00:10:43,149 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-26 00:10:43,150 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-26 00:10:43,151 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-26 00:10:43,152 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-26 00:10:43,153 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_333b0857-d2b6-4895-8e58-b7a09e489175/bin/utaipan-ByfvJB40ur/config/svcomp-Reach-32bit-Taipan_Default.epf [2022-11-26 00:10:43,178 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-26 00:10:43,178 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-26 00:10:43,179 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-26 00:10:43,179 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-26 00:10:43,180 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-26 00:10:43,180 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-26 00:10:43,180 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-26 00:10:43,181 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-26 00:10:43,181 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-26 00:10:43,181 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-26 00:10:43,182 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-26 00:10:43,182 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-26 00:10:43,182 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-26 00:10:43,182 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-26 00:10:43,183 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-26 00:10:43,183 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-26 00:10:43,183 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-26 00:10:43,183 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-26 00:10:43,184 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-26 00:10:43,184 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-26 00:10:43,185 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-26 00:10:43,185 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-26 00:10:43,185 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-26 00:10:43,186 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-26 00:10:43,186 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-26 00:10:43,186 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-26 00:10:43,186 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-26 00:10:43,187 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-26 00:10:43,187 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-26 00:10:43,187 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-26 00:10:43,187 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-26 00:10:43,188 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-26 00:10:43,188 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-26 00:10:43,188 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-26 00:10:43,188 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-26 00:10:43,189 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-26 00:10:43,189 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-26 00:10:43,189 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-26 00:10:43,189 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-26 00:10:43,190 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-26 00:10:43,190 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-26 00:10:43,190 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_333b0857-d2b6-4895-8e58-b7a09e489175/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_333b0857-d2b6-4895-8e58-b7a09e489175/bin/utaipan-ByfvJB40ur Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e095bb5ea0d924a9f9ab04ab393eec77de9b1aa4e50357711d33ebab16e651dd [2022-11-26 00:10:43,434 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-26 00:10:43,459 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-26 00:10:43,462 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-26 00:10:43,463 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-26 00:10:43,464 INFO L275 PluginConnector]: CDTParser initialized [2022-11-26 00:10:43,466 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_333b0857-d2b6-4895-8e58-b7a09e489175/bin/utaipan-ByfvJB40ur/../../sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test4-2.i [2022-11-26 00:10:46,715 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-26 00:10:47,183 INFO L351 CDTParser]: Found 1 translation units. [2022-11-26 00:10:47,184 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_333b0857-d2b6-4895-8e58-b7a09e489175/sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test4-2.i [2022-11-26 00:10:47,217 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_333b0857-d2b6-4895-8e58-b7a09e489175/bin/utaipan-ByfvJB40ur/data/f4f1d337a/1c2e37f0921540e393e4dab3b66629b8/FLAG8a8e05115 [2022-11-26 00:10:47,236 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_333b0857-d2b6-4895-8e58-b7a09e489175/bin/utaipan-ByfvJB40ur/data/f4f1d337a/1c2e37f0921540e393e4dab3b66629b8 [2022-11-26 00:10:47,239 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-26 00:10:47,241 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-26 00:10:47,243 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-26 00:10:47,243 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-26 00:10:47,248 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-26 00:10:47,249 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 12:10:47" (1/1) ... [2022-11-26 00:10:47,251 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@68486fba and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:10:47, skipping insertion in model container [2022-11-26 00:10:47,251 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 12:10:47" (1/1) ... [2022-11-26 00:10:47,261 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-26 00:10:47,323 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-26 00:10:47,883 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_333b0857-d2b6-4895-8e58-b7a09e489175/sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test4-2.i[33021,33034] [2022-11-26 00:10:48,075 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-26 00:10:48,087 INFO L203 MainTranslator]: Completed pre-run [2022-11-26 00:10:48,123 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_333b0857-d2b6-4895-8e58-b7a09e489175/sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test4-2.i[33021,33034] [2022-11-26 00:10:48,291 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-26 00:10:48,350 INFO L208 MainTranslator]: Completed translation [2022-11-26 00:10:48,351 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:10:48 WrapperNode [2022-11-26 00:10:48,351 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-26 00:10:48,353 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-26 00:10:48,353 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-26 00:10:48,353 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-26 00:10:48,360 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:10:48" (1/1) ... [2022-11-26 00:10:48,398 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:10:48" (1/1) ... [2022-11-26 00:10:48,539 INFO L138 Inliner]: procedures = 177, calls = 400, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 1300 [2022-11-26 00:10:48,561 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-26 00:10:48,561 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-26 00:10:48,562 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-26 00:10:48,562 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-26 00:10:48,573 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:10:48" (1/1) ... [2022-11-26 00:10:48,587 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:10:48" (1/1) ... [2022-11-26 00:10:48,606 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:10:48" (1/1) ... [2022-11-26 00:10:48,623 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:10:48" (1/1) ... [2022-11-26 00:10:48,749 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:10:48" (1/1) ... [2022-11-26 00:10:48,776 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:10:48" (1/1) ... [2022-11-26 00:10:48,780 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:10:48" (1/1) ... [2022-11-26 00:10:48,800 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:10:48" (1/1) ... [2022-11-26 00:10:48,812 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-26 00:10:48,828 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-26 00:10:48,828 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-26 00:10:48,828 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-26 00:10:48,829 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:10:48" (1/1) ... [2022-11-26 00:10:48,838 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-26 00:10:48,851 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_333b0857-d2b6-4895-8e58-b7a09e489175/bin/utaipan-ByfvJB40ur/z3 [2022-11-26 00:10:48,874 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_333b0857-d2b6-4895-8e58-b7a09e489175/bin/utaipan-ByfvJB40ur/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-26 00:10:48,899 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_333b0857-d2b6-4895-8e58-b7a09e489175/bin/utaipan-ByfvJB40ur/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-26 00:10:48,928 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-26 00:10:48,929 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2022-11-26 00:10:48,929 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2022-11-26 00:10:48,929 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-26 00:10:48,929 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-11-26 00:10:48,929 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-11-26 00:10:48,929 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-26 00:10:48,930 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-26 00:10:48,930 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-26 00:10:48,930 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-26 00:10:48,930 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-26 00:10:48,930 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-26 00:10:48,931 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-26 00:10:48,931 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-26 00:10:48,932 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-26 00:10:49,312 INFO L235 CfgBuilder]: Building ICFG [2022-11-26 00:10:49,315 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-26 00:10:51,348 INFO L276 CfgBuilder]: Performing block encoding [2022-11-26 00:10:51,999 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-26 00:10:51,999 INFO L300 CfgBuilder]: Removed 69 assume(true) statements. [2022-11-26 00:10:52,002 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 12:10:52 BoogieIcfgContainer [2022-11-26 00:10:52,003 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-26 00:10:52,005 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-26 00:10:52,006 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-26 00:10:52,009 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-26 00:10:52,009 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 26.11 12:10:47" (1/3) ... [2022-11-26 00:10:52,011 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3065ec6d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.11 12:10:52, skipping insertion in model container [2022-11-26 00:10:52,012 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:10:48" (2/3) ... [2022-11-26 00:10:52,013 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3065ec6d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.11 12:10:52, skipping insertion in model container [2022-11-26 00:10:52,013 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 12:10:52" (3/3) ... [2022-11-26 00:10:52,014 INFO L112 eAbstractionObserver]: Analyzing ICFG uthash_OAT_test4-2.i [2022-11-26 00:10:52,034 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-26 00:10:52,035 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-26 00:10:52,104 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-26 00:10:52,112 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;@13e360d0, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-26 00:10:52,112 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-26 00:10:52,117 INFO L276 IsEmpty]: Start isEmpty. Operand has 141 states, 121 states have (on average 1.7933884297520661) internal successors, (217), 132 states have internal predecessors, (217), 16 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (16), 7 states have call predecessors, (16), 16 states have call successors, (16) [2022-11-26 00:10:52,126 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-11-26 00:10:52,127 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:10:52,127 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2022-11-26 00:10:52,128 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-26 00:10:52,133 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:10:52,134 INFO L85 PathProgramCache]: Analyzing trace with hash 190255821, now seen corresponding path program 1 times [2022-11-26 00:10:52,162 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:10:52,163 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1567831780] [2022-11-26 00:10:52,163 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:10:52,164 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:10:52,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:10:52,354 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 00:10:52,354 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:10:52,355 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1567831780] [2022-11-26 00:10:52,355 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1567831780] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:10:52,356 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 00:10:52,356 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-26 00:10:52,358 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1995978769] [2022-11-26 00:10:52,358 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:10:52,363 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-26 00:10:52,363 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:10:52,392 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-26 00:10:52,393 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-26 00:10:52,395 INFO L87 Difference]: Start difference. First operand has 141 states, 121 states have (on average 1.7933884297520661) internal successors, (217), 132 states have internal predecessors, (217), 16 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (16), 7 states have call predecessors, (16), 16 states have call successors, (16) Second operand has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 2 states have internal predecessors, (7), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:10:54,062 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:10:54,062 INFO L93 Difference]: Finished difference Result 375 states and 678 transitions. [2022-11-26 00:10:54,069 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-26 00:10:54,071 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 00:10:54,071 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:10:54,085 INFO L225 Difference]: With dead ends: 375 [2022-11-26 00:10:54,085 INFO L226 Difference]: Without dead ends: 220 [2022-11-26 00:10:54,090 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 00:10:54,095 INFO L413 NwaCegarLoop]: 175 mSDtfsCounter, 97 mSDsluCounter, 157 mSDsCounter, 0 mSdLazyCounter, 48 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 103 SdHoareTripleChecker+Valid, 332 SdHoareTripleChecker+Invalid, 48 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 48 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2022-11-26 00:10:54,096 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [103 Valid, 332 Invalid, 48 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 48 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2022-11-26 00:10:54,118 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 220 states. [2022-11-26 00:10:54,155 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 220 to 127. [2022-11-26 00:10:54,157 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 127 states, 108 states have (on average 1.212962962962963) internal successors, (131), 118 states have internal predecessors, (131), 16 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (16), 7 states have call predecessors, (16), 16 states have call successors, (16) [2022-11-26 00:10:54,159 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 127 states to 127 states and 163 transitions. [2022-11-26 00:10:54,161 INFO L78 Accepts]: Start accepts. Automaton has 127 states and 163 transitions. Word has length 8 [2022-11-26 00:10:54,161 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:10:54,162 INFO L495 AbstractCegarLoop]: Abstraction has 127 states and 163 transitions. [2022-11-26 00:10:54,162 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 00:10:54,162 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states and 163 transitions. [2022-11-26 00:10:54,166 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2022-11-26 00:10:54,166 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:10:54,166 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-26 00:10:54,167 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-26 00:10:54,167 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-26 00:10:54,168 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:10:54,168 INFO L85 PathProgramCache]: Analyzing trace with hash -910103328, now seen corresponding path program 1 times [2022-11-26 00:10:54,168 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:10:54,169 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [984694887] [2022-11-26 00:10:54,169 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:10:54,169 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:10:54,485 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-26 00:10:54,486 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1304507597] [2022-11-26 00:10:54,486 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:10:54,486 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-26 00:10:54,487 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_333b0857-d2b6-4895-8e58-b7a09e489175/bin/utaipan-ByfvJB40ur/z3 [2022-11-26 00:10:54,491 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_333b0857-d2b6-4895-8e58-b7a09e489175/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-26 00:10:54,534 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_333b0857-d2b6-4895-8e58-b7a09e489175/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-11-26 00:10:56,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:10:56,112 INFO L263 TraceCheckSpWp]: Trace formula consists of 3056 conjuncts, 3 conjunts are in the unsatisfiable core [2022-11-26 00:10:56,121 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-26 00:10:56,317 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 00:10:56,317 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-26 00:10:56,459 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 00:10:56,459 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:10:56,459 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [984694887] [2022-11-26 00:10:56,460 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-26 00:10:56,460 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1304507597] [2022-11-26 00:10:56,460 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1304507597] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-26 00:10:56,461 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [757494241] [2022-11-26 00:10:56,492 INFO L159 IcfgInterpreter]: Started Sifa with 52 locations of interest [2022-11-26 00:10:56,493 INFO L166 IcfgInterpreter]: Building call graph [2022-11-26 00:10:56,497 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-26 00:10:56,504 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-26 00:10:56,505 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-26 00:10:56,702 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:10:56,709 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 00:10:56,766 INFO L321 Elim1Store]: treesize reduction 36, result has 34.5 percent of original size [2022-11-26 00:10:56,766 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 00:10:56,786 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:10:56,787 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 00:10:56,796 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 00:10:56,814 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:10:56,815 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:10:56,818 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 00:10:57,402 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 00:10:57,430 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 00:10:57,465 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:10:57,466 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:10:57,468 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:10:57,470 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:10:57,472 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:10:57,473 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:10:57,474 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:10:57,476 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:10:57,477 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:10:57,479 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:10:57,481 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:10:57,482 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:10:57,484 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:10:57,502 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 00:10:57,553 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:10:57,555 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:10:57,557 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:10:57,558 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:10:57,561 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:10:57,562 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:10:57,563 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:10:57,565 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:10:57,566 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:10:57,568 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:10:57,570 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:10:57,571 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:10:57,572 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:10:57,577 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 00:10:57,680 INFO L321 Elim1Store]: treesize reduction 20, result has 48.7 percent of original size [2022-11-26 00:10:57,680 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 00:10:57,732 INFO L321 Elim1Store]: treesize reduction 36, result has 34.5 percent of original size [2022-11-26 00:10:57,733 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 00:10:57,753 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:10:57,754 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 00:10:57,766 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:10:57,767 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:10:57,769 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 00:10:57,786 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:10:57,787 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 00:10:58,293 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 00:10:58,319 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 00:10:58,343 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:10:58,345 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:10:58,346 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:10:58,348 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:10:58,349 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:10:58,350 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:10:58,352 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:10:58,353 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:10:58,354 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:10:58,356 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:10:58,357 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:10:58,358 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:10:58,359 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:10:58,376 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 00:10:58,405 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:10:58,406 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:10:58,408 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:10:58,410 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:10:58,411 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:10:58,412 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:10:58,414 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:10:58,415 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:10:58,416 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:10:58,418 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:10:58,419 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:10:58,420 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:10:58,421 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:10:58,424 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 00:10:58,468 INFO L180 IcfgInterpreter]: Interpretation finished [2022-11-26 00:11:06,694 WARN L233 SmtUtils]: Spent 5.33s on a formula simplification. DAG size of input: 223 DAG size of output: 212 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-26 00:11:14,212 WARN L233 SmtUtils]: Spent 5.36s on a formula simplification. DAG size of input: 239 DAG size of output: 228 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-26 00:11:14,219 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSifa [757494241] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:11:14,219 INFO L184 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2022-11-26 00:11:14,220 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [3, 3] total 11 [2022-11-26 00:11:14,221 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [920490803] [2022-11-26 00:11:14,221 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:11:14,222 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-11-26 00:11:14,222 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:11:14,223 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-11-26 00:11:14,223 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=61, Invalid=69, Unknown=2, NotChecked=0, Total=132 [2022-11-26 00:11:14,224 INFO L87 Difference]: Start difference. First operand 127 states and 163 transitions. Second operand has 8 states, 8 states have (on average 6.375) internal successors, (51), 7 states have internal predecessors, (51), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:11:19,760 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2022-11-26 00:11:21,897 WARN L539 Checker$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 00:11:23,915 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2022-11-26 00:11:27,223 WARN L539 Checker$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 00:11:27,232 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:11:27,233 INFO L93 Difference]: Finished difference Result 265 states and 340 transitions. [2022-11-26 00:11:27,233 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-11-26 00:11:27,233 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 6.375) internal successors, (51), 7 states have internal predecessors, (51), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 52 [2022-11-26 00:11:27,234 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:11:27,235 INFO L225 Difference]: With dead ends: 265 [2022-11-26 00:11:27,235 INFO L226 Difference]: Without dead ends: 140 [2022-11-26 00:11:27,237 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 155 GetRequests, 144 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 40 ImplicationChecksByTransitivity, 18.7s TimeCoverageRelationStatistics Valid=71, Invalid=83, Unknown=2, NotChecked=0, Total=156 [2022-11-26 00:11:27,238 INFO L413 NwaCegarLoop]: 142 mSDtfsCounter, 2 mSDsluCounter, 123 mSDsCounter, 0 mSdLazyCounter, 95 mSolverCounterSat, 6 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 265 SdHoareTripleChecker+Invalid, 105 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 95 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 10.0s IncrementalHoareTripleChecker+Time [2022-11-26 00:11:27,239 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 265 Invalid, 105 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 95 Invalid, 4 Unknown, 0 Unchecked, 10.0s Time] [2022-11-26 00:11:27,240 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 140 states. [2022-11-26 00:11:27,262 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 140 to 137. [2022-11-26 00:11:27,263 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 137 states, 118 states have (on average 1.194915254237288) internal successors, (141), 128 states have internal predecessors, (141), 16 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (16), 7 states have call predecessors, (16), 16 states have call successors, (16) [2022-11-26 00:11:27,264 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 137 states to 137 states and 173 transitions. [2022-11-26 00:11:27,265 INFO L78 Accepts]: Start accepts. Automaton has 137 states and 173 transitions. Word has length 52 [2022-11-26 00:11:27,265 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:11:27,265 INFO L495 AbstractCegarLoop]: Abstraction has 137 states and 173 transitions. [2022-11-26 00:11:27,265 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 6.375) internal successors, (51), 7 states have internal predecessors, (51), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:11:27,266 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 173 transitions. [2022-11-26 00:11:27,267 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2022-11-26 00:11:27,268 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:11:27,268 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-26 00:11:27,288 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_333b0857-d2b6-4895-8e58-b7a09e489175/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-11-26 00:11:27,480 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_333b0857-d2b6-4895-8e58-b7a09e489175/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-26 00:11:27,480 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-26 00:11:27,481 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:11:27,481 INFO L85 PathProgramCache]: Analyzing trace with hash 1562765067, now seen corresponding path program 1 times [2022-11-26 00:11:27,481 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:11:27,482 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2100344401] [2022-11-26 00:11:27,482 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:11:27,482 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:11:27,670 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-26 00:11:27,670 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [971236332] [2022-11-26 00:11:27,671 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:11:27,671 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-26 00:11:27,671 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_333b0857-d2b6-4895-8e58-b7a09e489175/bin/utaipan-ByfvJB40ur/z3 [2022-11-26 00:11:27,672 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_333b0857-d2b6-4895-8e58-b7a09e489175/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-26 00:11:27,676 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_333b0857-d2b6-4895-8e58-b7a09e489175/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-11-26 00:11:28,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:11:28,983 INFO L263 TraceCheckSpWp]: Trace formula consists of 2193 conjuncts, 3 conjunts are in the unsatisfiable core [2022-11-26 00:11:28,990 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-26 00:11:29,129 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 00:11:29,129 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-26 00:11:29,260 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 00:11:29,261 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:11:29,261 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2100344401] [2022-11-26 00:11:29,261 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-26 00:11:29,261 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [971236332] [2022-11-26 00:11:29,262 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [971236332] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-26 00:11:29,262 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1651655923] [2022-11-26 00:11:29,266 INFO L159 IcfgInterpreter]: Started Sifa with 62 locations of interest [2022-11-26 00:11:29,266 INFO L166 IcfgInterpreter]: Building call graph [2022-11-26 00:11:29,267 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-26 00:11:29,267 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-26 00:11:29,267 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-26 00:11:29,368 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:11:29,369 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 00:11:29,407 INFO L321 Elim1Store]: treesize reduction 20, result has 48.7 percent of original size [2022-11-26 00:11:29,407 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 00:11:29,423 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:11:29,424 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:11:29,426 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:11:29,442 INFO L321 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2022-11-26 00:11:29,443 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 00:11:29,495 INFO L321 Elim1Store]: treesize reduction 36, result has 34.5 percent of original size [2022-11-26 00:11:29,495 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 00:11:29,524 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:11:29,525 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 00:11:29,936 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:11:29,938 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:11:29,939 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:11:29,940 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:11:29,941 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:11:29,942 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:11:29,943 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:11:29,944 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:11:29,946 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:11:29,947 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:11:29,948 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:11:29,949 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:11:29,950 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:11:29,966 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 00:11:29,999 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:11:30,000 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:11:30,001 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:11:30,003 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:11:30,004 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:11:30,005 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:11:30,006 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:11:30,007 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:11:30,009 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:11:30,010 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:11:30,015 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:11:30,016 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:11:30,017 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:11:30,020 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 00:11:30,061 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 00:11:30,078 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 00:11:30,122 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:11:30,123 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:11:30,124 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:11:30,126 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:11:30,127 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:11:30,128 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:11:30,129 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:11:30,131 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:11:30,132 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:11:30,133 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:11:30,135 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:11:30,136 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:11:30,137 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:11:30,138 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:11:30,140 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:11:30,141 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:11:30,142 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:11:30,161 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 00:11:30,193 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:11:30,194 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:11:30,195 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:11:30,196 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:11:30,197 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:11:30,198 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:11:30,200 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:11:30,201 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:11:30,202 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:11:30,203 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:11:30,204 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:11:30,207 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:11:30,209 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:11:30,210 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:11:30,211 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:11:30,212 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:11:30,213 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:11:30,219 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 00:11:30,257 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 00:11:30,271 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 00:11:30,319 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 00:11:30,391 INFO L321 Elim1Store]: treesize reduction 48, result has 48.9 percent of original size [2022-11-26 00:11:30,392 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 00:11:30,476 INFO L321 Elim1Store]: treesize reduction 90, result has 33.8 percent of original size [2022-11-26 00:11:30,477 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 00:11:30,542 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:11:30,543 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:11:30,544 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:11:30,546 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:11:30,547 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:11:30,548 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:11:30,549 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:11:30,550 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:11:30,552 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:11:30,553 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:11:30,554 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:11:30,556 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:11:30,557 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:11:30,558 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:11:30,560 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:11:30,561 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:11:30,562 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:11:30,565 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 00:11:30,614 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 00:11:30,949 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:11:30,950 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:11:30,952 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:11:30,966 INFO L321 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2022-11-26 00:11:30,969 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 00:11:30,984 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:11:30,985 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 00:11:31,034 INFO L321 Elim1Store]: treesize reduction 36, result has 34.5 percent of original size [2022-11-26 00:11:31,038 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 00:11:31,053 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 00:11:31,073 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:11:31,074 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 00:11:31,521 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:11:31,522 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:11:31,524 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:11:31,525 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:11:31,527 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:11:31,528 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:11:31,530 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:11:31,531 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:11:31,533 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:11:31,534 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:11:31,536 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:11:31,537 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:11:31,539 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:11:31,558 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 00:11:31,590 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:11:31,592 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:11:31,593 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:11:31,594 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:11:31,595 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:11:31,596 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:11:31,598 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:11:31,599 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:11:31,600 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:11:31,602 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:11:31,603 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:11:31,604 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:11:31,606 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:11:31,608 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 00:11:31,650 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 00:11:31,678 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 00:11:31,751 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 00:11:31,765 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 00:11:31,785 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:11:31,787 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:11:31,788 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:11:31,789 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:11:31,790 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:11:31,791 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:11:31,793 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:11:31,794 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:11:31,795 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:11:31,796 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:11:31,797 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:11:31,798 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:11:31,800 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:11:31,801 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:11:31,802 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:11:31,803 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:11:31,804 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:11:31,827 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 00:11:31,864 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:11:31,865 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:11:31,866 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:11:31,868 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:11:31,869 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:11:31,870 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:11:31,872 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:11:31,873 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:11:31,875 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:11:31,876 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:11:31,877 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:11:31,879 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:11:31,880 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:11:31,882 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:11:31,883 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:11:31,885 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:11:31,886 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:11:31,890 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 00:11:31,986 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 10 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 46 [2022-11-26 00:11:32,085 INFO L321 Elim1Store]: treesize reduction 90, result has 33.8 percent of original size [2022-11-26 00:11:32,085 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 00:11:32,105 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 00:11:32,133 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 00:11:32,160 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:11:32,162 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:11:32,163 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:11:32,164 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:11:32,166 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:11:32,167 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:11:32,169 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:11:32,170 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:11:32,172 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:11:32,173 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:11:32,175 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:11:32,176 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:11:32,178 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:11:32,179 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:11:32,180 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:11:32,182 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:11:32,183 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:11:32,187 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 00:11:32,694 INFO L197 IcfgInterpreter]: Interpreting procedure #Ultimate.C_memset with input of size 241 for LOIs [2022-11-26 00:11:32,815 INFO L180 IcfgInterpreter]: Interpretation finished [2022-11-26 00:11:42,084 WARN L233 SmtUtils]: Spent 6.28s on a formula simplification. DAG size of input: 223 DAG size of output: 212 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-26 00:11:49,973 WARN L233 SmtUtils]: Spent 5.77s on a formula simplification. DAG size of input: 239 DAG size of output: 228 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-26 00:12:02,166 WARN L233 SmtUtils]: Spent 7.02s on a formula simplification. DAG size of input: 250 DAG size of output: 240 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-26 00:12:15,327 WARN L233 SmtUtils]: Spent 7.00s on a formula simplification. DAG size of input: 272 DAG size of output: 254 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-26 00:12:29,616 WARN L233 SmtUtils]: Spent 8.10s on a formula simplification. DAG size of input: 272 DAG size of output: 254 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-26 00:12:30,254 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSifa [1651655923] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:12:30,254 INFO L184 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2022-11-26 00:12:30,254 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [4, 4] total 17 [2022-11-26 00:12:30,255 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [362847103] [2022-11-26 00:12:30,255 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:12:30,256 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-11-26 00:12:30,256 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:12:30,257 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-11-26 00:12:30,257 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=90, Invalid=172, Unknown=10, NotChecked=0, Total=272 [2022-11-26 00:12:30,258 INFO L87 Difference]: Start difference. First operand 137 states and 173 transitions. Second operand has 13 states, 12 states have (on average 4.833333333333333) internal successors, (58), 11 states have internal predecessors, (58), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) [2022-11-26 00:12:35,759 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2022-11-26 00:12:38,027 WARN L539 Checker$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 00:12:40,105 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2022-11-26 00:12:42,196 WARN L539 Checker$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 00:12:44,223 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2022-11-26 00:12:46,247 WARN L539 Checker$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 00:12:48,297 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2022-11-26 00:12:50,325 WARN L539 Checker$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 00:12:52,354 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2022-11-26 00:12:59,219 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.51s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2022-11-26 00:13:01,220 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-26 00:13:02,734 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:13:02,734 INFO L93 Difference]: Finished difference Result 267 states and 342 transitions. [2022-11-26 00:13:02,734 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-11-26 00:13:02,735 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 4.833333333333333) internal successors, (58), 11 states have internal predecessors, (58), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) Word has length 65 [2022-11-26 00:13:02,735 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:13:02,737 INFO L225 Difference]: With dead ends: 267 [2022-11-26 00:13:02,737 INFO L226 Difference]: Without dead ends: 142 [2022-11-26 00:13:02,738 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 194 GetRequests, 176 SyntacticMatches, 2 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 90 ImplicationChecksByTransitivity, 60.4s TimeCoverageRelationStatistics Valid=100, Invalid=196, Unknown=10, NotChecked=0, Total=306 [2022-11-26 00:13:02,740 INFO L413 NwaCegarLoop]: 141 mSDtfsCounter, 0 mSDsluCounter, 312 mSDsCounter, 0 mSdLazyCounter, 256 mSolverCounterSat, 1 mSolverCounterUnsat, 9 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 29.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 453 SdHoareTripleChecker+Invalid, 266 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 256 IncrementalHoareTripleChecker+Invalid, 9 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 29.4s IncrementalHoareTripleChecker+Time [2022-11-26 00:13:02,740 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 453 Invalid, 266 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 256 Invalid, 9 Unknown, 0 Unchecked, 29.4s Time] [2022-11-26 00:13:02,746 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 142 states. [2022-11-26 00:13:02,783 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 142 to 142. [2022-11-26 00:13:02,784 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 142 states, 122 states have (on average 1.1885245901639345) internal successors, (145), 132 states have internal predecessors, (145), 17 states have call successors, (17), 3 states have call predecessors, (17), 2 states have return successors, (17), 7 states have call predecessors, (17), 17 states have call successors, (17) [2022-11-26 00:13:02,786 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 142 states to 142 states and 179 transitions. [2022-11-26 00:13:02,786 INFO L78 Accepts]: Start accepts. Automaton has 142 states and 179 transitions. Word has length 65 [2022-11-26 00:13:02,787 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:13:02,787 INFO L495 AbstractCegarLoop]: Abstraction has 142 states and 179 transitions. [2022-11-26 00:13:02,787 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 4.833333333333333) internal successors, (58), 11 states have internal predecessors, (58), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) [2022-11-26 00:13:02,788 INFO L276 IsEmpty]: Start isEmpty. Operand 142 states and 179 transitions. [2022-11-26 00:13:02,790 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2022-11-26 00:13:02,790 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:13:02,791 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-26 00:13:02,802 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_333b0857-d2b6-4895-8e58-b7a09e489175/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-11-26 00:13:02,995 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_333b0857-d2b6-4895-8e58-b7a09e489175/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-26 00:13:02,996 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-26 00:13:02,996 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:13:02,996 INFO L85 PathProgramCache]: Analyzing trace with hash -1076213087, now seen corresponding path program 1 times [2022-11-26 00:13:02,996 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:13:02,996 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [382206924] [2022-11-26 00:13:02,997 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:13:02,997 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:13:03,176 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-26 00:13:03,176 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1444636630] [2022-11-26 00:13:03,176 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:13:03,176 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-26 00:13:03,177 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_333b0857-d2b6-4895-8e58-b7a09e489175/bin/utaipan-ByfvJB40ur/z3 [2022-11-26 00:13:03,178 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_333b0857-d2b6-4895-8e58-b7a09e489175/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-26 00:13:03,203 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_333b0857-d2b6-4895-8e58-b7a09e489175/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-11-26 00:13:04,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:13:04,505 INFO L263 TraceCheckSpWp]: Trace formula consists of 2208 conjuncts, 3 conjunts are in the unsatisfiable core [2022-11-26 00:13:04,510 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-26 00:13:04,677 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 00:13:04,677 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-26 00:13:04,820 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 00:13:04,820 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:13:04,820 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [382206924] [2022-11-26 00:13:04,820 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-26 00:13:04,820 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1444636630] [2022-11-26 00:13:04,820 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1444636630] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-26 00:13:04,821 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1685214898] [2022-11-26 00:13:04,824 INFO L159 IcfgInterpreter]: Started Sifa with 62 locations of interest [2022-11-26 00:13:04,825 INFO L166 IcfgInterpreter]: Building call graph [2022-11-26 00:13:04,825 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-26 00:13:04,826 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-26 00:13:04,826 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-26 00:13:04,909 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:13:04,910 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 00:13:04,957 INFO L321 Elim1Store]: treesize reduction 36, result has 34.5 percent of original size [2022-11-26 00:13:04,957 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 00:13:04,971 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:13:04,972 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 00:13:04,980 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 00:13:04,992 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:13:04,993 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:13:04,994 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 00:13:05,289 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 00:13:05,304 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:13:05,306 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:13:05,307 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:13:05,308 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:13:05,309 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:13:05,310 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:13:05,312 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:13:05,313 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:13:05,314 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:13:05,316 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:13:05,317 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:13:05,319 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:13:05,320 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:13:05,338 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 00:13:05,365 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:13:05,367 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:13:05,369 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:13:05,370 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:13:05,372 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:13:05,374 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:13:05,375 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:13:05,377 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:13:05,379 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:13:05,380 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:13:05,382 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:13:05,384 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:13:05,385 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:13:05,388 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 00:13:05,428 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 00:13:05,464 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 00:13:05,476 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 00:13:05,495 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:13:05,497 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:13:05,498 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:13:05,499 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:13:05,501 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:13:05,502 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:13:05,503 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:13:05,504 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:13:05,506 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:13:05,507 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:13:05,508 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:13:05,510 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:13:05,511 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:13:05,512 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:13:05,514 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:13:05,515 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:13:05,516 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:13:05,537 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 00:13:05,634 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:13:05,635 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:13:05,636 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:13:05,637 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:13:05,639 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:13:05,640 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:13:05,641 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:13:05,642 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:13:05,644 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:13:05,645 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:13:05,647 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:13:05,648 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:13:05,650 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:13:05,651 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:13:05,653 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:13:05,654 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:13:05,656 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:13:05,658 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 32 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 9075051 treesize of output 5376293 [2022-11-26 00:13:05,717 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 00:13:05,808 INFO L321 Elim1Store]: treesize reduction 90, result has 33.8 percent of original size [2022-11-26 00:13:05,809 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 00:13:05,828 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 00:13:05,860 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 00:13:05,886 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:13:05,887 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:13:05,889 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:13:05,891 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:13:05,892 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:13:05,894 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:13:05,895 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:13:05,897 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:13:05,898 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:13:05,900 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:13:05,901 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:13:05,903 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:13:05,904 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:13:05,906 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:13:05,908 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:13:05,909 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:13:05,911 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:13:05,914 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 00:13:06,088 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 00:13:06,093 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 00:13:06,099 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 00:13:06,117 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 64 treesize of output 63 [2022-11-26 00:13:06,128 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 64 treesize of output 63 [2022-11-26 00:13:06,138 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 66 treesize of output 65 [2022-11-26 00:13:06,166 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 00:13:06,172 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 00:13:06,180 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 00:13:06,264 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:13:06,266 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:13:06,267 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:13:06,269 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:13:06,271 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:13:06,272 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:13:06,274 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:13:06,276 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:13:06,277 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:13:06,279 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:13:06,280 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:13:06,282 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:13:06,284 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:13:06,289 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 00:13:06,319 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 00:13:06,346 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 00:13:06,519 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:13:06,521 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:13:06,522 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:13:06,524 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:13:06,525 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:13:06,527 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:13:06,528 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:13:06,530 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:13:06,532 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:13:06,533 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:13:06,535 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:13:06,537 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:13:06,538 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:13:06,541 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 9 select indices, 9 select index equivalence classes, 25 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 9075032 treesize of output 5376218 [2022-11-26 00:13:06,635 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 00:13:06,657 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 00:13:08,276 INFO L217 Elim1Store]: Index analysis took 1207 ms [2022-11-26 00:13:12,917 INFO L321 Elim1Store]: treesize reduction 96, result has 17.9 percent of original size [2022-11-26 00:13:12,918 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 2 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 9 case distinctions, treesize of input 10752670 treesize of output 10752673 [2022-11-26 00:13:13,820 INFO L217 Elim1Store]: Index analysis took 595 ms [2022-11-26 00:13:17,142 INFO L321 Elim1Store]: treesize reduction 144, result has 12.7 percent of original size [2022-11-26 00:13:17,143 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 6 select indices, 6 select index equivalence classes, 4 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 15 case distinctions, treesize of input 10752675 treesize of output 10752677 [2022-11-26 00:13:33,198 WARN L233 SmtUtils]: Spent 15.98s 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 00:13:33,199 INFO L321 Elim1Store]: treesize reduction 340, result has 16.0 percent of original size [2022-11-26 00:13:33,199 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 5 new quantified variables, introduced 4 case distinctions, treesize of input 1986 treesize of output 1481 [2022-11-26 00:14:01,420 WARN L233 SmtUtils]: Spent 28.08s 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 00:14:01,420 INFO L321 Elim1Store]: treesize reduction 266, result has 31.6 percent of original size [2022-11-26 00:14:01,421 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 4 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 7 new quantified variables, introduced 8 case distinctions, treesize of input 2005 treesize of output 1824 [2022-11-26 00:14:02,459 INFO L217 Elim1Store]: Index analysis took 831 ms [2022-11-26 00:14:25,302 WARN L233 SmtUtils]: Spent 22.36s 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 00:14:25,303 INFO L321 Elim1Store]: treesize reduction 2466, result has 32.0 percent of original size [2022-11-26 00:14:25,304 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 00:14:26,785 INFO L217 Elim1Store]: Index analysis took 225 ms [2022-11-26 00:14:27,224 INFO L321 Elim1Store]: treesize reduction 13, result has 38.1 percent of original size [2022-11-26 00:14:27,225 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 91 treesize of output 73 [2022-11-26 00:14:27,329 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 3 [2022-11-26 00:14:27,744 INFO L217 Elim1Store]: Index analysis took 273 ms [2022-11-26 00:14:29,094 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-26 00:14:29,095 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 2 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 70 treesize of output 94 [2022-11-26 00:14:36,742 INFO L217 Elim1Store]: Index analysis took 778 ms