./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/uthash-2.0.2/uthash_SAX_test3-1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 38b53e6a Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f165b498-9ac3-45bd-ab5a-638deb9df1a9/bin/utaipan-ByfvJB40ur/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f165b498-9ac3-45bd-ab5a-638deb9df1a9/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_f165b498-9ac3-45bd-ab5a-638deb9df1a9/bin/utaipan-ByfvJB40ur/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f165b498-9ac3-45bd-ab5a-638deb9df1a9/bin/utaipan-ByfvJB40ur/config/TaipanReach.xml -i ../../sv-benchmarks/c/uthash-2.0.2/uthash_SAX_test3-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f165b498-9ac3-45bd-ab5a-638deb9df1a9/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_f165b498-9ac3-45bd-ab5a-638deb9df1a9/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 a379a11019678fc2a367efcf212f49fd3083d5f94e928c550866b32de723f686 --- 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 [2022-11-25 23:23:32,030 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-25 23:23:32,032 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-25 23:23:32,074 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-25 23:23:32,077 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-25 23:23:32,078 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-25 23:23:32,080 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-25 23:23:32,092 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-25 23:23:32,094 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-25 23:23:32,095 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-25 23:23:32,096 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-25 23:23:32,097 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-25 23:23:32,097 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-25 23:23:32,098 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-25 23:23:32,099 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-25 23:23:32,101 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-25 23:23:32,102 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-25 23:23:32,103 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-25 23:23:32,104 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-25 23:23:32,106 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-25 23:23:32,108 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-25 23:23:32,109 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-25 23:23:32,111 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-25 23:23:32,112 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-25 23:23:32,115 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-25 23:23:32,116 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-25 23:23:32,116 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-25 23:23:32,117 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-25 23:23:32,118 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-25 23:23:32,119 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-25 23:23:32,119 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-25 23:23:32,120 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-25 23:23:32,121 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-25 23:23:32,122 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-25 23:23:32,123 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-25 23:23:32,123 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-25 23:23:32,124 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-25 23:23:32,125 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-25 23:23:32,125 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-25 23:23:32,126 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-25 23:23:32,127 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-25 23:23:32,128 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f165b498-9ac3-45bd-ab5a-638deb9df1a9/bin/utaipan-ByfvJB40ur/config/svcomp-Reach-32bit-Taipan_Default.epf [2022-11-25 23:23:32,149 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-25 23:23:32,149 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-25 23:23:32,149 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-25 23:23:32,150 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-25 23:23:32,150 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-25 23:23:32,151 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-25 23:23:32,151 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-25 23:23:32,151 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-25 23:23:32,152 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-25 23:23:32,152 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-25 23:23:32,152 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-25 23:23:32,152 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-25 23:23:32,153 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-25 23:23:32,153 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-25 23:23:32,153 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-25 23:23:32,154 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-25 23:23:32,154 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-25 23:23:32,154 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-25 23:23:32,155 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-25 23:23:32,155 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-25 23:23:32,155 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-25 23:23:32,156 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-25 23:23:32,156 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-25 23:23:32,156 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-25 23:23:32,156 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-25 23:23:32,157 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-25 23:23:32,157 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-25 23:23:32,157 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-25 23:23:32,158 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-25 23:23:32,158 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-25 23:23:32,158 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-25 23:23:32,158 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-25 23:23:32,159 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-25 23:23:32,159 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-25 23:23:32,159 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-25 23:23:32,159 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-25 23:23:32,159 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-25 23:23:32,160 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-25 23:23:32,160 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-25 23:23:32,160 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-25 23:23:32,160 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-25 23:23:32,161 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_f165b498-9ac3-45bd-ab5a-638deb9df1a9/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f165b498-9ac3-45bd-ab5a-638deb9df1a9/bin/utaipan-ByfvJB40ur Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a379a11019678fc2a367efcf212f49fd3083d5f94e928c550866b32de723f686 [2022-11-25 23:23:32,446 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-25 23:23:32,467 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-25 23:23:32,469 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-25 23:23:32,471 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-25 23:23:32,471 INFO L275 PluginConnector]: CDTParser initialized [2022-11-25 23:23:32,473 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f165b498-9ac3-45bd-ab5a-638deb9df1a9/bin/utaipan-ByfvJB40ur/../../sv-benchmarks/c/uthash-2.0.2/uthash_SAX_test3-1.i [2022-11-25 23:23:35,550 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-25 23:23:35,981 INFO L351 CDTParser]: Found 1 translation units. [2022-11-25 23:23:35,983 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f165b498-9ac3-45bd-ab5a-638deb9df1a9/sv-benchmarks/c/uthash-2.0.2/uthash_SAX_test3-1.i [2022-11-25 23:23:36,000 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f165b498-9ac3-45bd-ab5a-638deb9df1a9/bin/utaipan-ByfvJB40ur/data/7620e0b3a/2e5a60cfc569477ab02a1f432fe5f32f/FLAGcd6eef5dc [2022-11-25 23:23:36,020 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f165b498-9ac3-45bd-ab5a-638deb9df1a9/bin/utaipan-ByfvJB40ur/data/7620e0b3a/2e5a60cfc569477ab02a1f432fe5f32f [2022-11-25 23:23:36,028 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-25 23:23:36,030 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-25 23:23:36,031 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-25 23:23:36,032 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-25 23:23:36,035 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-25 23:23:36,036 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 11:23:36" (1/1) ... [2022-11-25 23:23:36,038 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@10c1a936 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:23:36, skipping insertion in model container [2022-11-25 23:23:36,039 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 11:23:36" (1/1) ... [2022-11-25 23:23:36,046 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-25 23:23:36,117 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-25 23:23:36,574 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_f165b498-9ac3-45bd-ab5a-638deb9df1a9/sv-benchmarks/c/uthash-2.0.2/uthash_SAX_test3-1.i[33021,33034] [2022-11-25 23:23:36,727 WARN L623 FunctionHandler]: Unknown extern function memcmp [2022-11-25 23:23:36,741 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_f165b498-9ac3-45bd-ab5a-638deb9df1a9/sv-benchmarks/c/uthash-2.0.2/uthash_SAX_test3-1.i[44590,44603] [2022-11-25 23:23:36,763 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-25 23:23:36,780 INFO L203 MainTranslator]: Completed pre-run [2022-11-25 23:23:36,824 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_f165b498-9ac3-45bd-ab5a-638deb9df1a9/sv-benchmarks/c/uthash-2.0.2/uthash_SAX_test3-1.i[33021,33034] [2022-11-25 23:23:36,922 WARN L623 FunctionHandler]: Unknown extern function memcmp [2022-11-25 23:23:36,933 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_f165b498-9ac3-45bd-ab5a-638deb9df1a9/sv-benchmarks/c/uthash-2.0.2/uthash_SAX_test3-1.i[44590,44603] [2022-11-25 23:23:36,940 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-25 23:23:36,983 INFO L208 MainTranslator]: Completed translation [2022-11-25 23:23:36,983 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:23:36 WrapperNode [2022-11-25 23:23:36,984 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-25 23:23:36,985 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-25 23:23:36,985 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-25 23:23:36,986 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-25 23:23:36,993 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:23:36" (1/1) ... [2022-11-25 23:23:37,044 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:23:36" (1/1) ... [2022-11-25 23:23:37,131 INFO L138 Inliner]: procedures = 177, calls = 285, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 1022 [2022-11-25 23:23:37,135 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-25 23:23:37,136 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-25 23:23:37,137 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-25 23:23:37,137 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-25 23:23:37,148 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:23:36" (1/1) ... [2022-11-25 23:23:37,148 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:23:36" (1/1) ... [2022-11-25 23:23:37,168 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:23:36" (1/1) ... [2022-11-25 23:23:37,171 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:23:36" (1/1) ... [2022-11-25 23:23:37,209 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:23:36" (1/1) ... [2022-11-25 23:23:37,223 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:23:36" (1/1) ... [2022-11-25 23:23:37,226 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:23:36" (1/1) ... [2022-11-25 23:23:37,230 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:23:36" (1/1) ... [2022-11-25 23:23:37,251 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-25 23:23:37,252 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-25 23:23:37,252 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-25 23:23:37,252 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-25 23:23:37,253 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:23:36" (1/1) ... [2022-11-25 23:23:37,266 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-25 23:23:37,278 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f165b498-9ac3-45bd-ab5a-638deb9df1a9/bin/utaipan-ByfvJB40ur/z3 [2022-11-25 23:23:37,297 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f165b498-9ac3-45bd-ab5a-638deb9df1a9/bin/utaipan-ByfvJB40ur/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-25 23:23:37,309 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f165b498-9ac3-45bd-ab5a-638deb9df1a9/bin/utaipan-ByfvJB40ur/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-25 23:23:37,339 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-25 23:23:37,339 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2022-11-25 23:23:37,339 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2022-11-25 23:23:37,339 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-25 23:23:37,339 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-11-25 23:23:37,340 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-11-25 23:23:37,340 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-25 23:23:37,340 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-25 23:23:37,340 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-25 23:23:37,340 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-25 23:23:37,340 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2022-11-25 23:23:37,341 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-25 23:23:37,341 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-25 23:23:37,341 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-25 23:23:37,341 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-25 23:23:37,341 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-25 23:23:37,551 INFO L235 CfgBuilder]: Building ICFG [2022-11-25 23:23:37,553 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-25 23:23:39,323 INFO L276 CfgBuilder]: Performing block encoding [2022-11-25 23:23:39,784 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-25 23:23:39,785 INFO L300 CfgBuilder]: Removed 63 assume(true) statements. [2022-11-25 23:23:39,787 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 11:23:39 BoogieIcfgContainer [2022-11-25 23:23:39,787 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-25 23:23:39,789 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-25 23:23:39,790 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-25 23:23:39,793 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-25 23:23:39,793 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.11 11:23:36" (1/3) ... [2022-11-25 23:23:39,793 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2da423a4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 11:23:39, skipping insertion in model container [2022-11-25 23:23:39,794 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:23:36" (2/3) ... [2022-11-25 23:23:39,794 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2da423a4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 11:23:39, skipping insertion in model container [2022-11-25 23:23:39,794 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 11:23:39" (3/3) ... [2022-11-25 23:23:39,795 INFO L112 eAbstractionObserver]: Analyzing ICFG uthash_SAX_test3-1.i [2022-11-25 23:23:39,813 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-25 23:23:39,814 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2022-11-25 23:23:39,874 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-25 23:23:39,884 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;@7d71f392, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-25 23:23:39,885 INFO L358 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2022-11-25 23:23:39,889 INFO L276 IsEmpty]: Start isEmpty. Operand has 123 states, 110 states have (on average 1.8) internal successors, (198), 117 states have internal predecessors, (198), 8 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 4 states have call predecessors, (8), 8 states have call successors, (8) [2022-11-25 23:23:39,896 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-11-25 23:23:39,897 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 23:23:39,897 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 23:23:39,898 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-25 23:23:39,903 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 23:23:39,903 INFO L85 PathProgramCache]: Analyzing trace with hash 1898435451, now seen corresponding path program 1 times [2022-11-25 23:23:39,913 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-25 23:23:39,914 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [146582602] [2022-11-25 23:23:39,914 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 23:23:39,915 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 23:23:40,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 23:23:40,090 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 23:23:40,090 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-25 23:23:40,091 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [146582602] [2022-11-25 23:23:40,091 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [146582602] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 23:23:40,091 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 23:23:40,092 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-25 23:23:40,094 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [268484850] [2022-11-25 23:23:40,095 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 23:23:40,099 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-11-25 23:23:40,100 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-25 23:23:40,142 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-11-25 23:23:40,143 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-11-25 23:23:40,146 INFO L87 Difference]: Start difference. First operand has 123 states, 110 states have (on average 1.8) internal successors, (198), 117 states have internal predecessors, (198), 8 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 4 states have call predecessors, (8), 8 states have call successors, (8) Second operand has 2 states, 2 states have (on average 4.0) internal successors, (8), 2 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 23:23:40,623 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 23:23:40,623 INFO L93 Difference]: Finished difference Result 245 states and 432 transitions. [2022-11-25 23:23:40,629 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-25 23:23:40,630 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 4.0) internal successors, (8), 2 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 8 [2022-11-25 23:23:40,630 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 23:23:40,638 INFO L225 Difference]: With dead ends: 245 [2022-11-25 23:23:40,638 INFO L226 Difference]: Without dead ends: 122 [2022-11-25 23:23:40,641 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-11-25 23:23:40,645 INFO L413 NwaCegarLoop]: 134 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 17 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 134 SdHoareTripleChecker+Invalid, 17 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 17 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-11-25 23:23:40,646 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 134 Invalid, 17 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 17 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-11-25 23:23:40,663 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 122 states. [2022-11-25 23:23:40,686 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 122 to 122. [2022-11-25 23:23:40,688 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 122 states, 110 states have (on average 1.2181818181818183) internal successors, (134), 116 states have internal predecessors, (134), 8 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 4 states have call predecessors, (8), 8 states have call successors, (8) [2022-11-25 23:23:40,689 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 122 states to 122 states and 150 transitions. [2022-11-25 23:23:40,691 INFO L78 Accepts]: Start accepts. Automaton has 122 states and 150 transitions. Word has length 8 [2022-11-25 23:23:40,691 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 23:23:40,691 INFO L495 AbstractCegarLoop]: Abstraction has 122 states and 150 transitions. [2022-11-25 23:23:40,692 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 4.0) internal successors, (8), 2 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 23:23:40,692 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 150 transitions. [2022-11-25 23:23:40,693 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-11-25 23:23:40,693 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 23:23:40,693 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 23:23:40,693 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-25 23:23:40,693 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-25 23:23:40,694 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 23:23:40,694 INFO L85 PathProgramCache]: Analyzing trace with hash -94655351, now seen corresponding path program 1 times [2022-11-25 23:23:40,694 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-25 23:23:40,695 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1147100692] [2022-11-25 23:23:40,695 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 23:23:40,695 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 23:23:40,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 23:23:40,907 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 23:23:40,908 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-25 23:23:40,908 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1147100692] [2022-11-25 23:23:40,908 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1147100692] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 23:23:40,908 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 23:23:40,908 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-25 23:23:40,909 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [104310137] [2022-11-25 23:23:40,909 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 23:23:40,910 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-25 23:23:40,910 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-25 23:23:40,911 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-25 23:23:40,911 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-25 23:23:40,911 INFO L87 Difference]: Start difference. First operand 122 states and 150 transitions. Second operand has 4 states, 4 states have (on average 3.0) internal successors, (12), 3 states have internal predecessors, (12), 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) [2022-11-25 23:23:43,144 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.28s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-25 23:23:43,285 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 23:23:43,285 INFO L93 Difference]: Finished difference Result 258 states and 326 transitions. [2022-11-25 23:23:43,291 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-25 23:23:43,291 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 3.0) internal successors, (12), 3 states have internal predecessors, (12), 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 13 [2022-11-25 23:23:43,291 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 23:23:43,293 INFO L225 Difference]: With dead ends: 258 [2022-11-25 23:23:43,293 INFO L226 Difference]: Without dead ends: 189 [2022-11-25 23:23:43,294 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-25 23:23:43,295 INFO L413 NwaCegarLoop]: 128 mSDtfsCounter, 73 mSDsluCounter, 227 mSDsCounter, 0 mSdLazyCounter, 103 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 78 SdHoareTripleChecker+Valid, 355 SdHoareTripleChecker+Invalid, 105 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 103 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.3s IncrementalHoareTripleChecker+Time [2022-11-25 23:23:43,295 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [78 Valid, 355 Invalid, 105 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 103 Invalid, 0 Unknown, 0 Unchecked, 2.3s Time] [2022-11-25 23:23:43,296 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 189 states. [2022-11-25 23:23:43,313 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 189 to 124. [2022-11-25 23:23:43,318 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 124 states, 112 states have (on average 1.2142857142857142) internal successors, (136), 118 states have internal predecessors, (136), 8 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 4 states have call predecessors, (8), 8 states have call successors, (8) [2022-11-25 23:23:43,321 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 124 states and 152 transitions. [2022-11-25 23:23:43,324 INFO L78 Accepts]: Start accepts. Automaton has 124 states and 152 transitions. Word has length 13 [2022-11-25 23:23:43,324 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 23:23:43,325 INFO L495 AbstractCegarLoop]: Abstraction has 124 states and 152 transitions. [2022-11-25 23:23:43,325 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 3.0) internal successors, (12), 3 states have internal predecessors, (12), 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) [2022-11-25 23:23:43,325 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 152 transitions. [2022-11-25 23:23:43,326 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2022-11-25 23:23:43,327 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 23:23:43,327 INFO L195 NwaCegarLoop]: trace histogram [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] [2022-11-25 23:23:43,328 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-25 23:23:43,328 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-25 23:23:43,333 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 23:23:43,338 INFO L85 PathProgramCache]: Analyzing trace with hash 339208180, now seen corresponding path program 1 times [2022-11-25 23:23:43,338 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-25 23:23:43,338 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [280412924] [2022-11-25 23:23:43,339 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 23:23:43,339 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 23:23:43,529 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-25 23:23:43,531 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1290289710] [2022-11-25 23:23:43,532 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 23:23:43,532 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-25 23:23:43,533 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f165b498-9ac3-45bd-ab5a-638deb9df1a9/bin/utaipan-ByfvJB40ur/z3 [2022-11-25 23:23:43,537 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f165b498-9ac3-45bd-ab5a-638deb9df1a9/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-25 23:23:43,564 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f165b498-9ac3-45bd-ab5a-638deb9df1a9/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-11-25 23:23:44,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 23:23:44,338 INFO L263 TraceCheckSpWp]: Trace formula consists of 1630 conjuncts, 5 conjunts are in the unsatisfiable core [2022-11-25 23:23:44,347 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-25 23:23:44,464 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 23:23:44,467 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-25 23:23:44,467 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-25 23:23:44,472 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [280412924] [2022-11-25 23:23:44,472 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-25 23:23:44,472 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1290289710] [2022-11-25 23:23:44,473 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1290289710] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 23:23:44,473 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 23:23:44,473 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-25 23:23:44,474 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [54914051] [2022-11-25 23:23:44,475 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 23:23:44,476 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-25 23:23:44,476 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-25 23:23:44,477 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-25 23:23:44,477 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-25 23:23:44,477 INFO L87 Difference]: Start difference. First operand 124 states and 152 transitions. Second operand has 3 states, 3 states have (on average 12.0) internal successors, (36), 2 states have internal predecessors, (36), 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) [2022-11-25 23:23:45,611 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 23:23:45,611 INFO L93 Difference]: Finished difference Result 304 states and 377 transitions. [2022-11-25 23:23:45,616 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-25 23:23:45,616 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 12.0) internal successors, (36), 2 states have internal predecessors, (36), 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 37 [2022-11-25 23:23:45,616 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 23:23:45,618 INFO L225 Difference]: With dead ends: 304 [2022-11-25 23:23:45,618 INFO L226 Difference]: Without dead ends: 183 [2022-11-25 23:23:45,619 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 35 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-25 23:23:45,620 INFO L413 NwaCegarLoop]: 165 mSDtfsCounter, 58 mSDsluCounter, 113 mSDsCounter, 0 mSdLazyCounter, 55 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 65 SdHoareTripleChecker+Valid, 278 SdHoareTripleChecker+Invalid, 60 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 55 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2022-11-25 23:23:45,620 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [65 Valid, 278 Invalid, 60 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 55 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2022-11-25 23:23:45,621 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 183 states. [2022-11-25 23:23:45,634 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 183 to 167. [2022-11-25 23:23:45,634 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 167 states, 155 states have (on average 1.1935483870967742) internal successors, (185), 161 states have internal predecessors, (185), 8 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 4 states have call predecessors, (8), 8 states have call successors, (8) [2022-11-25 23:23:45,636 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 167 states to 167 states and 201 transitions. [2022-11-25 23:23:45,636 INFO L78 Accepts]: Start accepts. Automaton has 167 states and 201 transitions. Word has length 37 [2022-11-25 23:23:45,636 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 23:23:45,636 INFO L495 AbstractCegarLoop]: Abstraction has 167 states and 201 transitions. [2022-11-25 23:23:45,637 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 12.0) internal successors, (36), 2 states have internal predecessors, (36), 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) [2022-11-25 23:23:45,637 INFO L276 IsEmpty]: Start isEmpty. Operand 167 states and 201 transitions. [2022-11-25 23:23:45,638 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2022-11-25 23:23:45,639 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 23:23:45,639 INFO L195 NwaCegarLoop]: trace histogram [2, 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] [2022-11-25 23:23:45,655 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f165b498-9ac3-45bd-ab5a-638deb9df1a9/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2022-11-25 23:23:45,848 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f165b498-9ac3-45bd-ab5a-638deb9df1a9/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-25 23:23:45,849 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-25 23:23:45,849 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 23:23:45,849 INFO L85 PathProgramCache]: Analyzing trace with hash -1571641394, now seen corresponding path program 1 times [2022-11-25 23:23:45,850 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-25 23:23:45,850 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1756682962] [2022-11-25 23:23:45,850 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 23:23:45,850 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 23:23:45,929 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-25 23:23:45,935 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1591265086] [2022-11-25 23:23:45,937 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 23:23:45,937 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-25 23:23:45,938 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f165b498-9ac3-45bd-ab5a-638deb9df1a9/bin/utaipan-ByfvJB40ur/z3 [2022-11-25 23:23:45,939 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f165b498-9ac3-45bd-ab5a-638deb9df1a9/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-25 23:23:45,946 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f165b498-9ac3-45bd-ab5a-638deb9df1a9/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-11-25 23:23:46,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 23:23:46,475 INFO L263 TraceCheckSpWp]: Trace formula consists of 767 conjuncts, 5 conjunts are in the unsatisfiable core [2022-11-25 23:23:46,481 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-25 23:23:46,597 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2022-11-25 23:23:46,641 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 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 15 treesize of output 7 [2022-11-25 23:23:46,649 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2022-11-25 23:23:46,650 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-25 23:23:46,650 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-25 23:23:46,650 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1756682962] [2022-11-25 23:23:46,650 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-25 23:23:46,651 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1591265086] [2022-11-25 23:23:46,651 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1591265086] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 23:23:46,651 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 23:23:46,651 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-25 23:23:46,652 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1018771184] [2022-11-25 23:23:46,652 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 23:23:46,652 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-25 23:23:46,653 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-25 23:23:46,654 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-25 23:23:46,654 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-25 23:23:46,654 INFO L87 Difference]: Start difference. First operand 167 states and 201 transitions. Second operand has 4 states, 4 states have (on average 10.5) internal successors, (42), 4 states have internal predecessors, (42), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-11-25 23:23:48,402 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 23:23:48,403 INFO L93 Difference]: Finished difference Result 231 states and 285 transitions. [2022-11-25 23:23:48,406 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-25 23:23:48,406 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 10.5) internal successors, (42), 4 states have internal predecessors, (42), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 50 [2022-11-25 23:23:48,407 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 23:23:48,408 INFO L225 Difference]: With dead ends: 231 [2022-11-25 23:23:48,408 INFO L226 Difference]: Without dead ends: 212 [2022-11-25 23:23:48,409 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 47 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-25 23:23:48,410 INFO L413 NwaCegarLoop]: 125 mSDtfsCounter, 47 mSDsluCounter, 229 mSDsCounter, 0 mSdLazyCounter, 94 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 47 SdHoareTripleChecker+Valid, 354 SdHoareTripleChecker+Invalid, 95 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 94 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2022-11-25 23:23:48,411 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [47 Valid, 354 Invalid, 95 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 94 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2022-11-25 23:23:48,412 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 212 states. [2022-11-25 23:23:48,430 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 212 to 169. [2022-11-25 23:23:48,431 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 169 states, 157 states have (on average 1.1910828025477707) internal successors, (187), 163 states have internal predecessors, (187), 8 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 4 states have call predecessors, (8), 8 states have call successors, (8) [2022-11-25 23:23:48,433 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 169 states to 169 states and 203 transitions. [2022-11-25 23:23:48,433 INFO L78 Accepts]: Start accepts. Automaton has 169 states and 203 transitions. Word has length 50 [2022-11-25 23:23:48,433 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 23:23:48,434 INFO L495 AbstractCegarLoop]: Abstraction has 169 states and 203 transitions. [2022-11-25 23:23:48,434 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 10.5) internal successors, (42), 4 states have internal predecessors, (42), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-11-25 23:23:48,434 INFO L276 IsEmpty]: Start isEmpty. Operand 169 states and 203 transitions. [2022-11-25 23:23:48,436 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2022-11-25 23:23:48,436 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 23:23:48,436 INFO L195 NwaCegarLoop]: trace histogram [2, 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] [2022-11-25 23:23:48,448 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f165b498-9ac3-45bd-ab5a-638deb9df1a9/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-11-25 23:23:48,644 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f165b498-9ac3-45bd-ab5a-638deb9df1a9/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-25 23:23:48,645 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-25 23:23:48,645 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 23:23:48,645 INFO L85 PathProgramCache]: Analyzing trace with hash 2144578966, now seen corresponding path program 1 times [2022-11-25 23:23:48,646 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-25 23:23:48,646 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [880861583] [2022-11-25 23:23:48,646 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 23:23:48,646 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 23:23:48,755 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-25 23:23:48,762 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1103069080] [2022-11-25 23:23:48,762 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 23:23:48,762 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-25 23:23:48,762 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f165b498-9ac3-45bd-ab5a-638deb9df1a9/bin/utaipan-ByfvJB40ur/z3 [2022-11-25 23:23:48,767 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f165b498-9ac3-45bd-ab5a-638deb9df1a9/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-25 23:23:48,792 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f165b498-9ac3-45bd-ab5a-638deb9df1a9/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-11-25 23:23:49,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 23:23:49,360 INFO L263 TraceCheckSpWp]: Trace formula consists of 796 conjuncts, 5 conjunts are in the unsatisfiable core [2022-11-25 23:23:49,364 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-25 23:23:49,486 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-11-25 23:23:49,486 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-25 23:23:49,486 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-25 23:23:49,487 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [880861583] [2022-11-25 23:23:49,487 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-25 23:23:49,487 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1103069080] [2022-11-25 23:23:49,488 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1103069080] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 23:23:49,488 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 23:23:49,488 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-25 23:23:49,488 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [178493325] [2022-11-25 23:23:49,489 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 23:23:49,490 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-25 23:23:49,490 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-25 23:23:49,490 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-25 23:23:49,491 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-25 23:23:49,491 INFO L87 Difference]: Start difference. First operand 169 states and 203 transitions. Second operand has 4 states, 4 states have (on average 12.75) internal successors, (51), 4 states have internal predecessors, (51), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-11-25 23:23:50,435 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 23:23:50,435 INFO L93 Difference]: Finished difference Result 395 states and 492 transitions. [2022-11-25 23:23:50,436 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-25 23:23:50,436 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 12.75) internal successors, (51), 4 states have internal predecessors, (51), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 57 [2022-11-25 23:23:50,436 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 23:23:50,438 INFO L225 Difference]: With dead ends: 395 [2022-11-25 23:23:50,438 INFO L226 Difference]: Without dead ends: 242 [2022-11-25 23:23:50,439 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 58 GetRequests, 55 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-25 23:23:50,440 INFO L413 NwaCegarLoop]: 147 mSDtfsCounter, 260 mSDsluCounter, 143 mSDsCounter, 0 mSdLazyCounter, 88 mSolverCounterSat, 14 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 265 SdHoareTripleChecker+Valid, 290 SdHoareTripleChecker+Invalid, 102 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 88 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2022-11-25 23:23:50,440 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [265 Valid, 290 Invalid, 102 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [14 Valid, 88 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2022-11-25 23:23:50,441 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 242 states. [2022-11-25 23:23:50,459 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 242 to 214. [2022-11-25 23:23:50,460 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 214 states, 202 states have (on average 1.193069306930693) internal successors, (241), 208 states have internal predecessors, (241), 8 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 4 states have call predecessors, (8), 8 states have call successors, (8) [2022-11-25 23:23:50,461 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 214 states to 214 states and 257 transitions. [2022-11-25 23:23:50,461 INFO L78 Accepts]: Start accepts. Automaton has 214 states and 257 transitions. Word has length 57 [2022-11-25 23:23:50,462 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 23:23:50,462 INFO L495 AbstractCegarLoop]: Abstraction has 214 states and 257 transitions. [2022-11-25 23:23:50,462 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 12.75) internal successors, (51), 4 states have internal predecessors, (51), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-11-25 23:23:50,463 INFO L276 IsEmpty]: Start isEmpty. Operand 214 states and 257 transitions. [2022-11-25 23:23:50,464 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2022-11-25 23:23:50,464 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 23:23:50,465 INFO L195 NwaCegarLoop]: trace histogram [2, 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] [2022-11-25 23:23:50,478 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f165b498-9ac3-45bd-ab5a-638deb9df1a9/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2022-11-25 23:23:50,673 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f165b498-9ac3-45bd-ab5a-638deb9df1a9/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-25 23:23:50,674 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-25 23:23:50,674 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 23:23:50,674 INFO L85 PathProgramCache]: Analyzing trace with hash 2121750984, now seen corresponding path program 1 times [2022-11-25 23:23:50,674 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-25 23:23:50,675 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1932521192] [2022-11-25 23:23:50,675 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 23:23:50,675 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 23:23:50,755 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-25 23:23:50,755 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2103183899] [2022-11-25 23:23:50,755 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 23:23:50,756 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-25 23:23:50,756 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f165b498-9ac3-45bd-ab5a-638deb9df1a9/bin/utaipan-ByfvJB40ur/z3 [2022-11-25 23:23:50,757 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f165b498-9ac3-45bd-ab5a-638deb9df1a9/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-25 23:23:50,788 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f165b498-9ac3-45bd-ab5a-638deb9df1a9/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-11-25 23:24:02,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 23:24:02,832 INFO L263 TraceCheckSpWp]: Trace formula consists of 822 conjuncts, 7 conjunts are in the unsatisfiable core [2022-11-25 23:24:02,836 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-25 23:24:02,870 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-25 23:24:02,874 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-25 23:24:02,874 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-25 23:24:02,875 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1932521192] [2022-11-25 23:24:02,876 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-25 23:24:02,876 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2103183899] [2022-11-25 23:24:02,876 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2103183899] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 23:24:02,877 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 23:24:02,877 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-25 23:24:02,877 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [800397849] [2022-11-25 23:24:02,877 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 23:24:02,878 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-25 23:24:02,879 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-25 23:24:02,880 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-25 23:24:02,880 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-25 23:24:02,880 INFO L87 Difference]: Start difference. First operand 214 states and 257 transitions. Second operand has 4 states, 3 states have (on average 20.0) internal successors, (60), 4 states have internal predecessors, (60), 1 states have call successors, (2), 1 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) [2022-11-25 23:24:03,898 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 23:24:03,899 INFO L93 Difference]: Finished difference Result 411 states and 498 transitions. [2022-11-25 23:24:03,902 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-25 23:24:03,903 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 20.0) internal successors, (60), 4 states have internal predecessors, (60), 1 states have call successors, (2), 1 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) Word has length 64 [2022-11-25 23:24:03,903 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 23:24:03,904 INFO L225 Difference]: With dead ends: 411 [2022-11-25 23:24:03,904 INFO L226 Difference]: Without dead ends: 216 [2022-11-25 23:24:03,905 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 64 GetRequests, 61 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-25 23:24:03,906 INFO L413 NwaCegarLoop]: 132 mSDtfsCounter, 1 mSDsluCounter, 260 mSDsCounter, 0 mSdLazyCounter, 57 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 392 SdHoareTripleChecker+Invalid, 58 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 57 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2022-11-25 23:24:03,906 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 392 Invalid, 58 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 57 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2022-11-25 23:24:03,907 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 216 states. [2022-11-25 23:24:03,921 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 216 to 216. [2022-11-25 23:24:03,922 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 216 states, 203 states have (on average 1.1970443349753694) internal successors, (243), 210 states have internal predecessors, (243), 8 states have call successors, (8), 2 states have call predecessors, (8), 3 states have return successors, (9), 4 states have call predecessors, (9), 8 states have call successors, (9) [2022-11-25 23:24:03,924 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 216 states and 260 transitions. [2022-11-25 23:24:03,924 INFO L78 Accepts]: Start accepts. Automaton has 216 states and 260 transitions. Word has length 64 [2022-11-25 23:24:03,924 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 23:24:03,925 INFO L495 AbstractCegarLoop]: Abstraction has 216 states and 260 transitions. [2022-11-25 23:24:03,925 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 20.0) internal successors, (60), 4 states have internal predecessors, (60), 1 states have call successors, (2), 1 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) [2022-11-25 23:24:03,925 INFO L276 IsEmpty]: Start isEmpty. Operand 216 states and 260 transitions. [2022-11-25 23:24:03,927 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2022-11-25 23:24:03,927 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 23:24:03,928 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 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] [2022-11-25 23:24:03,964 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f165b498-9ac3-45bd-ab5a-638deb9df1a9/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2022-11-25 23:24:04,142 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f165b498-9ac3-45bd-ab5a-638deb9df1a9/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5 [2022-11-25 23:24:04,143 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-25 23:24:04,143 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 23:24:04,143 INFO L85 PathProgramCache]: Analyzing trace with hash -869473738, now seen corresponding path program 1 times [2022-11-25 23:24:04,144 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-25 23:24:04,144 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [969888747] [2022-11-25 23:24:04,144 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 23:24:04,144 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 23:24:04,242 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-25 23:24:04,243 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1070991796] [2022-11-25 23:24:04,251 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 23:24:04,251 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-25 23:24:04,251 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f165b498-9ac3-45bd-ab5a-638deb9df1a9/bin/utaipan-ByfvJB40ur/z3 [2022-11-25 23:24:04,255 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f165b498-9ac3-45bd-ab5a-638deb9df1a9/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-25 23:24:04,282 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f165b498-9ac3-45bd-ab5a-638deb9df1a9/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2022-11-25 23:24:42,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 23:24:42,296 INFO L263 TraceCheckSpWp]: Trace formula consists of 852 conjuncts, 7 conjunts are in the unsatisfiable core [2022-11-25 23:24:42,302 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-25 23:24:42,334 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 8 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-25 23:24:42,334 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-25 23:24:42,431 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 2 proven. 6 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-11-25 23:24:42,431 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-25 23:24:42,431 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [969888747] [2022-11-25 23:24:42,431 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-25 23:24:42,432 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1070991796] [2022-11-25 23:24:42,432 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1070991796] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-25 23:24:42,432 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [502760343] [2022-11-25 23:24:42,455 INFO L159 IcfgInterpreter]: Started Sifa with 60 locations of interest [2022-11-25 23:24:42,455 INFO L166 IcfgInterpreter]: Building call graph [2022-11-25 23:24:42,459 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-25 23:24:42,463 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-25 23:24:42,464 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-25 23:24:42,579 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2022-11-25 23:24:42,584 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2022-11-25 23:24:42,591 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:24:42,605 INFO L321 Elim1Store]: treesize reduction 11, result has 45.0 percent of original size [2022-11-25 23:24:42,605 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 17 treesize of output 26 [2022-11-25 23:24:42,615 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:24:42,616 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 28 [2022-11-25 23:24:42,626 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:24:42,644 INFO L321 Elim1Store]: treesize reduction 18, result has 35.7 percent of original size [2022-11-25 23:24:42,644 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 5 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 2 case distinctions, treesize of input 27 treesize of output 37 [2022-11-25 23:24:42,676 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:24:42,681 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:24:42,683 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:24:42,685 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:24:42,687 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:24:42,702 INFO L321 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2022-11-25 23:24:42,702 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 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 1 case distinctions, treesize of input 52 treesize of output 53 [2022-11-25 23:24:42,718 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:24:42,720 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:24:42,753 INFO L321 Elim1Store]: treesize reduction 20, result has 48.7 percent of original size [2022-11-25 23:24:42,753 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 22 treesize of output 38 [2022-11-25 23:24:42,781 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:24:42,782 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 [2022-11-25 23:24:42,839 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:24:42,840 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:24:42,881 INFO L321 Elim1Store]: treesize reduction 36, result has 34.5 percent of original size [2022-11-25 23:24:42,881 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 8 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 4 case distinctions, treesize of input 32 treesize of output 49 [2022-11-25 23:24:42,906 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:24:42,908 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 [2022-11-25 23:24:43,347 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:24:43,348 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:24:43,350 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:24:43,351 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:24:43,353 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:24:43,354 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:24:43,355 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:24:43,357 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:24:43,358 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:24:43,359 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:24:43,361 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:24:43,362 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:24:43,363 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:24:43,365 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:24:43,366 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:24:43,384 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 29 disjoint index pairs (out of 36 index pairs), introduced 8 new quantified variables, introduced 0 case distinctions, treesize of input 9897009 treesize of output 5376288 [2022-11-25 23:24:43,428 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:24:43,430 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:24:43,431 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:24:43,432 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:24:43,433 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:24:43,434 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:24:43,436 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:24:43,437 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:24:43,438 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:24:43,439 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:24:43,440 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:24:43,441 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:24:43,443 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:24:43,444 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:24:43,445 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:24:43,446 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:24:43,449 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:24:43,454 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 29 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 9897007 treesize of output 5376300 [2022-11-25 23:24:43,500 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 [2022-11-25 23:24:43,524 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 [2022-11-25 23:24:43,566 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 [2022-11-25 23:24:43,580 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 [2022-11-25 23:24:43,602 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:24:43,604 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:24:43,605 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:24:43,606 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:24:43,608 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:24:43,609 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:24:43,610 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:24:43,611 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:24:43,613 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:24:43,615 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:24:43,616 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:24:43,617 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:24:43,618 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:24:43,619 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:24:43,620 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:24:43,622 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:24:43,623 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:24:43,624 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:24:43,625 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:24:43,646 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 10 select indices, 10 select index equivalence classes, 36 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 0 case distinctions, treesize of input 8458592 treesize of output 4759837 [2022-11-25 23:24:43,681 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:24:43,682 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:24:43,683 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:24:43,685 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:24:43,686 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:24:43,687 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:24:43,688 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:24:43,690 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:24:43,691 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:24:43,692 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:24:43,693 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:24:43,695 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:24:43,696 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:24:43,698 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:24:43,700 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:24:43,701 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:24:43,702 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:24:43,703 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:24:43,704 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:24:43,711 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 10 select indices, 10 select index equivalence classes, 36 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 0 case distinctions, treesize of input 8458592 treesize of output 4759837 [2022-11-25 23:24:43,780 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:24:43,782 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:24:43,783 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:24:43,784 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:24:43,785 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:24:43,786 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:24:43,788 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:24:43,789 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:24:43,790 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:24:43,791 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:24:43,792 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:24:43,793 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:24:43,794 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:24:43,795 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:24:43,797 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:24:43,798 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:24:43,799 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:24:43,800 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:24:43,801 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:24:43,804 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 10 select indices, 10 select index equivalence classes, 36 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 0 case distinctions, treesize of input 8458592 treesize of output 4759837 [2022-11-25 23:24:43,849 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 [2022-11-25 23:24:43,889 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:24:43,890 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:24:43,892 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:24:43,943 INFO L321 Elim1Store]: treesize reduction 48, result has 48.9 percent of original size [2022-11-25 23:24:43,943 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 10 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 33 treesize of output 74 [2022-11-25 23:24:43,966 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:24:43,971 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:24:43,973 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:24:44,036 INFO L321 Elim1Store]: treesize reduction 90, result has 33.8 percent of original size [2022-11-25 23:24:44,036 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 6 select indices, 6 select index equivalence classes, 12 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 6 case distinctions, treesize of input 49 treesize of output 85 [2022-11-25 23:24:44,068 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 [2022-11-25 23:24:44,245 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2022-11-25 23:24:44,249 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2022-11-25 23:24:44,255 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2022-11-25 23:24:44,308 INFO L321 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2022-11-25 23:24:44,309 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 51 treesize of output 54 [2022-11-25 23:24:44,340 INFO L321 Elim1Store]: treesize reduction 15, result has 42.3 percent of original size [2022-11-25 23:24:44,341 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 49 treesize of output 52 [2022-11-25 23:24:44,369 INFO L321 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2022-11-25 23:24:44,369 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 43 treesize of output 46 [2022-11-25 23:24:44,414 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 [2022-11-25 23:24:44,419 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 [2022-11-25 23:24:44,426 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 [2022-11-25 23:24:44,493 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 [2022-11-25 23:24:44,556 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 [2022-11-25 23:24:44,588 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:24:44,590 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:24:44,591 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:24:44,592 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:24:44,594 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:24:44,595 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:24:44,596 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:24:44,597 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:24:44,599 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:24:44,601 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:24:44,602 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:24:44,603 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:24:44,605 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:24:44,606 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:24:44,607 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:24:44,611 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 10 select indices, 10 select index equivalence classes, 30 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 0 case distinctions, treesize of input 8458573 treesize of output 4759755 [2022-11-25 23:24:44,806 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 [2022-11-25 23:24:44,833 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:24:44,834 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:24:44,836 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:24:44,837 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:24:44,838 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:24:44,839 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:24:44,841 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:24:44,842 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:24:44,843 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:24:44,844 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:24:44,845 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:24:44,846 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:24:44,848 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:24:44,849 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:24:44,850 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:24:44,853 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 10 select indices, 10 select index equivalence classes, 30 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 0 case distinctions, treesize of input 8458573 treesize of output 4759755 [2022-11-25 23:24:44,885 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 [2022-11-25 23:24:45,814 INFO L217 Elim1Store]: Index analysis took 563 ms [2022-11-25 23:24:50,943 WARN L233 SmtUtils]: Spent 5.12s on a formula simplification. DAG size of input: 109 DAG size of output: 31 (called from [L 318] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2022-11-25 23:24:50,943 INFO L321 Elim1Store]: treesize reduction 190, result has 18.1 percent of original size [2022-11-25 23:24:50,944 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 7 select indices, 7 select index equivalence classes, 4 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 22 case distinctions, treesize of input 9519777 treesize of output 9519796 [2022-11-25 23:24:52,021 INFO L217 Elim1Store]: Index analysis took 891 ms [2022-11-25 23:24:52,606 INFO L321 Elim1Store]: treesize reduction 87, result has 5.4 percent of original size [2022-11-25 23:24:52,607 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 6 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 10 case distinctions, treesize of input 9519772 treesize of output 9519776 [2022-11-25 23:25:02,406 WARN L233 SmtUtils]: Spent 9.67s 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) [2022-11-25 23:25:02,406 INFO L321 Elim1Store]: treesize reduction 340, result has 16.0 percent of original size [2022-11-25 23:25:02,407 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 5 new quantified variables, introduced 4 case distinctions, treesize of input 1986 treesize of output 1476 [2022-11-25 23:25:02,788 INFO L217 Elim1Store]: Index analysis took 151 ms [2022-11-25 23:25:27,962 WARN L233 SmtUtils]: Spent 25.17s 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) [2022-11-25 23:25:27,962 INFO L321 Elim1Store]: treesize reduction 266, result has 31.6 percent of original size [2022-11-25 23:25:27,963 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 4 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 7 new quantified variables, introduced 8 case distinctions, treesize of input 2005 treesize of output 1834 [2022-11-25 23:25:29,867 INFO L217 Elim1Store]: Index analysis took 1311 ms [2022-11-25 23:25:58,268 WARN L233 SmtUtils]: Spent 27.40s on a formula simplification. DAG size of input: 258 DAG size of output: 156 (called from [L 318] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2022-11-25 23:25:58,269 INFO L321 Elim1Store]: treesize reduction 13218, result has 27.3 percent of original size [2022-11-25 23:25:58,270 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 4 stores, 0 select indices, 0 select index equivalence classes, 5 disjoint index pairs (out of 0 index pairs), introduced 4 new quantified variables, introduced 16 case distinctions, treesize of input 3622 treesize of output 7921 [2022-11-25 23:25:59,889 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:25:59,891 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 5 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 90 treesize of output 69 [2022-11-25 23:26:00,034 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:26:00,061 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:26:00,061 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:26:00,063 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 69 treesize of output 55 [2022-11-25 23:26:01,327 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:26:01,329 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 14 [2022-11-25 23:26:01,404 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:26:01,405 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 11 [2022-11-25 23:26:02,203 INFO L217 Elim1Store]: Index analysis took 110 ms [2022-11-25 23:26:05,134 INFO L321 Elim1Store]: treesize reduction 550, result has 14.1 percent of original size [2022-11-25 23:26:05,135 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 14 stores, 2 select indices, 2 select index equivalence classes, 5 disjoint index pairs (out of 1 index pairs), introduced 16 new quantified variables, introduced 18 case distinctions, treesize of input 51016 treesize of output 53256 [2022-11-25 23:26:13,684 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-25 23:26:14,406 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-25 23:26:14,407 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 40846 treesize of output 40854 [2022-11-25 23:26:15,504 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-25 23:26:23,340 WARN L233 SmtUtils]: Spent 5.75s on a formula simplification. DAG size of input: 45 DAG size of output: 37 (called from [L 318] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2022-11-25 23:26:23,341 INFO L321 Elim1Store]: treesize reduction 185, result has 49.9 percent of original size [2022-11-25 23:26:23,342 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 66514 treesize of output 65984 [2022-11-25 23:26:24,433 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 43142 treesize of output 43102 [2022-11-25 23:26:26,599 INFO L321 Elim1Store]: treesize reduction 17, result has 48.5 percent of original size [2022-11-25 23:26:26,600 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 40846 treesize of output 40828 [2022-11-25 23:26:27,576 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 15 [2022-11-25 23:26:30,183 INFO L321 Elim1Store]: treesize reduction 45, result has 49.4 percent of original size [2022-11-25 23:26:30,185 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 56608 treesize of output 56496 [2022-11-25 23:27:02,374 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:27:02,776 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:27:02,776 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:27:02,971 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:27:04,001 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:27:05,745 INFO L217 Elim1Store]: Index analysis took 6314 ms [2022-11-25 23:27:05,746 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:27:05,747 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:27:05,748 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:27:05,749 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:27:05,750 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:27:05,751 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:27:05,752 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:27:05,753 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:27:05,754 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:27:05,755 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:27:05,758 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 13 stores, 1 select indices, 1 select index equivalence classes, 5 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 545 treesize of output 4453 [2022-11-25 23:27:05,953 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 15 [2022-11-25 23:27:07,828 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:27:11,234 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:27:12,845 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:27:13,085 INFO L217 Elim1Store]: Index analysis took 6429 ms [2022-11-25 23:27:13,086 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:27:13,087 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:27:13,088 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:27:13,088 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:27:13,089 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:27:13,090 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:27:13,091 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:27:13,092 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:27:13,092 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:27:13,093 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:27:13,096 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 13 stores, 0 select indices, 0 select index equivalence classes, 5 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 293 treesize of output 2247 [2022-11-25 23:27:14,271 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:27:14,369 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:27:17,320 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:27:18,058 INFO L217 Elim1Store]: Index analysis took 4680 ms [2022-11-25 23:27:18,059 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:27:18,060 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:27:18,061 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:27:18,061 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:27:18,062 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:27:18,063 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:27:18,064 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:27:18,065 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:27:18,066 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:27:18,067 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:27:18,070 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 13 stores, 0 select indices, 0 select index equivalence classes, 5 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 293 treesize of output 2257 [2022-11-25 23:27:18,442 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:27:18,516 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:27:18,516 INFO L217 Elim1Store]: Index analysis took 104 ms [2022-11-25 23:27:18,518 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 42 treesize of output 24 [2022-11-25 23:27:19,681 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:27:19,723 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:27:20,019 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:27:21,575 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:27:21,662 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:27:21,684 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:27:22,092 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:27:22,514 INFO L217 Elim1Store]: Index analysis took 3566 ms [2022-11-25 23:27:22,515 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:27:22,516 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:27:22,516 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:27:22,517 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:27:22,518 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:27:22,519 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:27:22,520 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:27:22,521 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:27:22,521 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:27:22,522 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:27:22,525 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 13 stores, 0 select indices, 0 select index equivalence classes, 7 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 293 treesize of output 2269 [2022-11-25 23:27:22,839 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:27:22,865 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:27:22,867 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 44 treesize of output 26 [2022-11-25 23:27:23,178 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-25 23:27:24,656 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:27:24,784 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:27:25,186 INFO L217 Elim1Store]: Index analysis took 1926 ms [2022-11-25 23:27:25,188 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:27:25,190 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:27:25,195 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:27:25,196 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:27:25,197 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:27:25,199 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:27:25,200 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:27:25,201 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:27:25,202 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:27:25,207 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 16 stores, 0 select indices, 0 select index equivalence classes, 5 disjoint index pairs (out of 0 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 40009 treesize of output 43909 [2022-11-25 23:27:30,773 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:27:35,067 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:27:36,476 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:27:36,679 INFO L217 Elim1Store]: Index analysis took 6959 ms [2022-11-25 23:27:36,680 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:27:36,681 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:27:36,682 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:27:36,683 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:27:36,684 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:27:36,684 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:27:36,685 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:27:36,686 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:27:36,687 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:27:36,688 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:27:36,690 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 13 stores, 0 select indices, 0 select index equivalence classes, 5 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 293 treesize of output 2215 [2022-11-25 23:27:37,148 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:27:37,189 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:27:37,190 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 380 treesize of output 194 [2022-11-25 23:27:37,348 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-25 23:27:42,401 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:27:42,529 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:27:42,530 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:27:42,690 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:27:43,807 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:27:44,027 INFO L217 Elim1Store]: Index analysis took 6506 ms [2022-11-25 23:27:44,028 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:27:44,029 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:27:44,030 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:27:44,031 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:27:44,031 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:27:44,032 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:27:44,033 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:27:44,034 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:27:44,035 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:27:44,036 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:27:44,039 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 13 stores, 0 select indices, 0 select index equivalence classes, 5 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 507 treesize of output 3942 [2022-11-25 23:27:44,379 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-25 23:27:45,784 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:27:49,682 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:27:50,084 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:27:50,850 INFO L217 Elim1Store]: Index analysis took 6196 ms [2022-11-25 23:27:50,851 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:27:50,852 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:27:50,853 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:27:50,854 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:27:50,855 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:27:50,856 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:27:50,857 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:27:50,857 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:27:50,858 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:27:50,859 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:27:50,862 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 13 stores, 0 select indices, 0 select index equivalence classes, 5 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 293 treesize of output 2247 [2022-11-25 23:27:51,299 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:27:51,352 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:27:51,354 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 100 treesize of output 54 [2022-11-25 23:27:52,701 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:27:52,815 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:27:53,083 INFO L217 Elim1Store]: Index analysis took 1542 ms [2022-11-25 23:27:53,087 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:27:53,088 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:27:53,089 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:27:53,090 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:27:53,091 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:27:53,092 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:27:53,092 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:27:53,093 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:27:53,094 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:27:53,099 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 16 stores, 0 select indices, 0 select index equivalence classes, 5 disjoint index pairs (out of 0 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 34295 treesize of output 38205 [2022-11-25 23:28:06,879 INFO L217 Elim1Store]: Index analysis took 8852 ms [2022-11-25 23:28:08,286 INFO L321 Elim1Store]: treesize reduction 538, result has 3.8 percent of original size [2022-11-25 23:28:08,286 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 13 stores, 1 select indices, 1 select index equivalence classes, 5 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 14 case distinctions, treesize of input 403 treesize of output 2354 [2022-11-25 23:28:08,780 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:28:08,781 INFO L217 Elim1Store]: Index analysis took 261 ms [2022-11-25 23:28:09,230 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-25 23:28:09,230 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 87 treesize of output 79 [2022-11-25 23:28:09,550 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:28:09,563 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:28:09,565 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 42 treesize of output 24 [2022-11-25 23:28:14,495 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:28:16,847 INFO L217 Elim1Store]: Index analysis took 7050 ms [2022-11-25 23:28:17,791 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 13 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 316 treesize of output 2350 [2022-11-25 23:28:18,185 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:28:19,095 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:28:19,713 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:28:26,731 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:28:27,623 INFO L217 Elim1Store]: Index analysis took 9439 ms [2022-11-25 23:28:27,625 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:28:27,626 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:28:27,627 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:28:27,629 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:28:27,630 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:28:27,631 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:28:27,632 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:28:27,634 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:28:27,635 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:28:27,636 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:28:27,639 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 13 stores, 1 select indices, 1 select index equivalence classes, 5 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 1409 treesize of output 3388 [2022-11-25 23:28:28,055 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:28:28,120 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:28:28,120 INFO L217 Elim1Store]: Index analysis took 247 ms [2022-11-25 23:28:28,629 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-25 23:28:28,630 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 1093 treesize of output 919 [2022-11-25 23:28:29,091 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-25 23:28:29,912 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:28:32,118 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:28:35,584 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:28:42,876 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:28:45,249 INFO L217 Elim1Store]: Index analysis took 15337 ms [2022-11-25 23:28:45,250 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:28:45,251 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:28:45,252 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:28:45,254 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:28:45,255 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:28:45,256 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:28:45,257 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:28:45,258 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:28:45,259 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:28:45,260 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:28:45,262 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 13 stores, 1 select indices, 1 select index equivalence classes, 5 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 573 treesize of output 2471 [2022-11-25 23:28:46,026 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:28:46,182 INFO L217 Elim1Store]: Index analysis took 363 ms [2022-11-25 23:28:46,967 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-25 23:28:46,967 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 257 treesize of output 221 [2022-11-25 23:28:47,396 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-25 23:28:48,747 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:28:48,856 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:28:49,266 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:28:51,040 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:28:51,055 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:28:51,066 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:28:51,254 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:28:51,661 INFO L217 Elim1Store]: Index analysis took 4027 ms [2022-11-25 23:28:51,662 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:28:51,663 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:28:51,663 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:28:51,664 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:28:51,665 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:28:51,666 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:28:51,667 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:28:51,668 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:28:51,668 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:28:51,669 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:28:51,671 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 13 stores, 1 select indices, 1 select index equivalence classes, 7 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 349 treesize of output 2287 [2022-11-25 23:28:51,846 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 21 [2022-11-25 23:28:52,309 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-25 23:30:15,191 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:30:17,541 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:30:17,928 INFO L217 Elim1Store]: Index analysis took 2657 ms [2022-11-25 23:30:18,088 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 15 stores, 1 select indices, 1 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 1905 treesize of output 16050 [2022-11-25 23:30:19,679 INFO L217 Elim1Store]: Index analysis took 511 ms [2022-11-25 23:31:54,278 WARN L233 SmtUtils]: Spent 1.57m on a formula simplification. DAG size of input: 222 DAG size of output: 42 (called from [L 318] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2022-11-25 23:31:54,280 INFO L321 Elim1Store]: treesize reduction 1365, result has 5.7 percent of original size [2022-11-25 23:31:54,299 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 38 stores, 2 select indices, 2 select index equivalence classes, 5 disjoint index pairs (out of 1 index pairs), introduced 33 new quantified variables, introduced 68 case distinctions, treesize of input 5645 treesize of output 94048