./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/uthash-2.0.2/uthash_SAX_test4-2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 53f42b1a Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9a4dcab-e211-413b-9e68-741593531a1c/bin/utaipan-TEXQjIfE4P/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9a4dcab-e211-413b-9e68-741593531a1c/bin/utaipan-TEXQjIfE4P/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9a4dcab-e211-413b-9e68-741593531a1c/bin/utaipan-TEXQjIfE4P/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9a4dcab-e211-413b-9e68-741593531a1c/bin/utaipan-TEXQjIfE4P/config/TaipanReach.xml -i ../../sv-benchmarks/c/uthash-2.0.2/uthash_SAX_test4-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9a4dcab-e211-413b-9e68-741593531a1c/bin/utaipan-TEXQjIfE4P/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9a4dcab-e211-413b-9e68-741593531a1c/bin/utaipan-TEXQjIfE4P --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 6fff6eb11b5ece9f2655331435003a1af77ee5ac869f244677acc531eb435a19 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-53f42b1 [2021-11-20 23:49:22,076 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-20 23:49:22,078 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-20 23:49:22,107 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-20 23:49:22,108 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-20 23:49:22,109 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-20 23:49:22,111 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-20 23:49:22,113 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-20 23:49:22,116 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-20 23:49:22,117 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-20 23:49:22,118 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-20 23:49:22,119 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-20 23:49:22,120 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-20 23:49:22,121 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-20 23:49:22,123 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-20 23:49:22,124 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-20 23:49:22,126 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-20 23:49:22,127 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-20 23:49:22,129 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-20 23:49:22,131 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-20 23:49:22,133 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-20 23:49:22,135 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-20 23:49:22,136 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-20 23:49:22,137 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-20 23:49:22,141 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-20 23:49:22,148 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-20 23:49:22,148 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-20 23:49:22,149 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-20 23:49:22,151 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-20 23:49:22,152 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-20 23:49:22,153 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-20 23:49:22,154 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-20 23:49:22,155 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-20 23:49:22,156 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-20 23:49:22,157 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-20 23:49:22,158 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-20 23:49:22,158 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-20 23:49:22,159 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-20 23:49:22,159 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-20 23:49:22,160 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-20 23:49:22,161 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-20 23:49:22,162 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9a4dcab-e211-413b-9e68-741593531a1c/bin/utaipan-TEXQjIfE4P/config/svcomp-Reach-32bit-Taipan_Default.epf [2021-11-20 23:49:22,188 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-20 23:49:22,189 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-20 23:49:22,189 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-20 23:49:22,190 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-20 23:49:22,190 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-20 23:49:22,191 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-20 23:49:22,191 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-20 23:49:22,192 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-20 23:49:22,192 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-20 23:49:22,192 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-20 23:49:22,193 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-20 23:49:22,193 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-20 23:49:22,194 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-20 23:49:22,194 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-20 23:49:22,194 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-20 23:49:22,195 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-20 23:49:22,195 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-20 23:49:22,196 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2021-11-20 23:49:22,197 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-20 23:49:22,197 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-20 23:49:22,197 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-20 23:49:22,198 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-20 23:49:22,198 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-20 23:49:22,199 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-20 23:49:22,199 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-20 23:49:22,199 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-20 23:49:22,200 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-20 23:49:22,200 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-20 23:49:22,200 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-20 23:49:22,201 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-20 23:49:22,201 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-20 23:49:22,202 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-20 23:49:22,202 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-20 23:49:22,203 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-20 23:49:22,203 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-20 23:49:22,203 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-20 23:49:22,204 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-20 23:49:22,204 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-20 23:49:22,204 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-20 23:49:22,204 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-20 23:49:22,205 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-20 23:49:22,205 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES 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_b9a4dcab-e211-413b-9e68-741593531a1c/bin/utaipan-TEXQjIfE4P/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9a4dcab-e211-413b-9e68-741593531a1c/bin/utaipan-TEXQjIfE4P Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6fff6eb11b5ece9f2655331435003a1af77ee5ac869f244677acc531eb435a19 [2021-11-20 23:49:22,452 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-20 23:49:22,490 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-20 23:49:22,493 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-20 23:49:22,494 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-20 23:49:22,496 INFO L275 PluginConnector]: CDTParser initialized [2021-11-20 23:49:22,497 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9a4dcab-e211-413b-9e68-741593531a1c/bin/utaipan-TEXQjIfE4P/../../sv-benchmarks/c/uthash-2.0.2/uthash_SAX_test4-2.i [2021-11-20 23:49:22,559 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9a4dcab-e211-413b-9e68-741593531a1c/bin/utaipan-TEXQjIfE4P/data/9b7d18332/d77bb3b6173a48b981ab4ce99f794357/FLAG0eeecabe2 [2021-11-20 23:49:23,122 INFO L306 CDTParser]: Found 1 translation units. [2021-11-20 23:49:23,122 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9a4dcab-e211-413b-9e68-741593531a1c/sv-benchmarks/c/uthash-2.0.2/uthash_SAX_test4-2.i [2021-11-20 23:49:23,148 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9a4dcab-e211-413b-9e68-741593531a1c/bin/utaipan-TEXQjIfE4P/data/9b7d18332/d77bb3b6173a48b981ab4ce99f794357/FLAG0eeecabe2 [2021-11-20 23:49:23,372 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9a4dcab-e211-413b-9e68-741593531a1c/bin/utaipan-TEXQjIfE4P/data/9b7d18332/d77bb3b6173a48b981ab4ce99f794357 [2021-11-20 23:49:23,374 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-20 23:49:23,375 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-20 23:49:23,399 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-20 23:49:23,399 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-20 23:49:23,403 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-20 23:49:23,403 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 11:49:23" (1/1) ... [2021-11-20 23:49:23,404 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@167ce724 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:49:23, skipping insertion in model container [2021-11-20 23:49:23,405 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 11:49:23" (1/1) ... [2021-11-20 23:49:23,415 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-20 23:49:23,474 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-20 23:49:23,910 WARN L230 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_b9a4dcab-e211-413b-9e68-741593531a1c/sv-benchmarks/c/uthash-2.0.2/uthash_SAX_test4-2.i[33021,33034] [2021-11-20 23:49:24,077 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-20 23:49:24,094 INFO L203 MainTranslator]: Completed pre-run [2021-11-20 23:49:24,123 WARN L230 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_b9a4dcab-e211-413b-9e68-741593531a1c/sv-benchmarks/c/uthash-2.0.2/uthash_SAX_test4-2.i[33021,33034] [2021-11-20 23:49:24,209 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-20 23:49:24,252 INFO L208 MainTranslator]: Completed translation [2021-11-20 23:49:24,253 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:49:24 WrapperNode [2021-11-20 23:49:24,253 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-20 23:49:24,254 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-20 23:49:24,255 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-20 23:49:24,255 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-20 23:49:24,262 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:49:24" (1/1) ... [2021-11-20 23:49:24,344 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:49:24" (1/1) ... [2021-11-20 23:49:24,464 INFO L137 Inliner]: procedures = 177, calls = 400, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 1308 [2021-11-20 23:49:24,465 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-20 23:49:24,465 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-20 23:49:24,466 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-20 23:49:24,466 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-20 23:49:24,474 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:49:24" (1/1) ... [2021-11-20 23:49:24,474 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:49:24" (1/1) ... [2021-11-20 23:49:24,485 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:49:24" (1/1) ... [2021-11-20 23:49:24,485 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:49:24" (1/1) ... [2021-11-20 23:49:24,569 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:49:24" (1/1) ... [2021-11-20 23:49:24,588 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:49:24" (1/1) ... [2021-11-20 23:49:24,609 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:49:24" (1/1) ... [2021-11-20 23:49:24,633 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-20 23:49:24,635 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-20 23:49:24,635 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-20 23:49:24,635 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-20 23:49:24,636 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:49:24" (1/1) ... [2021-11-20 23:49:24,644 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-20 23:49:24,655 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9a4dcab-e211-413b-9e68-741593531a1c/bin/utaipan-TEXQjIfE4P/z3 [2021-11-20 23:49:24,670 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9a4dcab-e211-413b-9e68-741593531a1c/bin/utaipan-TEXQjIfE4P/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-20 23:49:24,701 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9a4dcab-e211-413b-9e68-741593531a1c/bin/utaipan-TEXQjIfE4P/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-20 23:49:24,718 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-20 23:49:24,719 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2021-11-20 23:49:24,719 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2021-11-20 23:49:24,719 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-20 23:49:24,719 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-11-20 23:49:24,720 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-11-20 23:49:24,720 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-20 23:49:24,720 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-20 23:49:24,720 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-20 23:49:24,720 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-20 23:49:24,721 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-20 23:49:24,721 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-20 23:49:24,721 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-20 23:49:24,721 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-20 23:49:24,721 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-20 23:49:24,978 INFO L236 CfgBuilder]: Building ICFG [2021-11-20 23:49:24,980 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-20 23:49:26,480 INFO L277 CfgBuilder]: Performing block encoding [2021-11-20 23:49:26,936 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-20 23:49:26,936 INFO L301 CfgBuilder]: Removed 69 assume(true) statements. [2021-11-20 23:49:26,940 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 11:49:26 BoogieIcfgContainer [2021-11-20 23:49:26,940 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-20 23:49:26,942 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-20 23:49:26,942 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-20 23:49:26,945 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-20 23:49:26,946 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.11 11:49:23" (1/3) ... [2021-11-20 23:49:26,947 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2e697622 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 11:49:26, skipping insertion in model container [2021-11-20 23:49:26,947 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:49:24" (2/3) ... [2021-11-20 23:49:26,948 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2e697622 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 11:49:26, skipping insertion in model container [2021-11-20 23:49:26,948 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 11:49:26" (3/3) ... [2021-11-20 23:49:26,949 INFO L111 eAbstractionObserver]: Analyzing ICFG uthash_SAX_test4-2.i [2021-11-20 23:49:26,962 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-20 23:49:26,962 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-11-20 23:49:27,025 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-20 23:49:27,041 INFO L339 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, mLoopAccelerationTechnique=FAST_UPR [2021-11-20 23:49:27,041 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-11-20 23:49:27,071 INFO L276 IsEmpty]: Start isEmpty. Operand has 141 states, 121 states have (on average 1.7933884297520661) internal successors, (217), 132 states have internal predecessors, (217), 16 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (16), 7 states have call predecessors, (16), 16 states have call successors, (16) [2021-11-20 23:49:27,078 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2021-11-20 23:49:27,078 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 23:49:27,079 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 23:49:27,080 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-20 23:49:27,085 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 23:49:27,085 INFO L85 PathProgramCache]: Analyzing trace with hash -1510987453, now seen corresponding path program 1 times [2021-11-20 23:49:27,094 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-20 23:49:27,096 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1206850025] [2021-11-20 23:49:27,096 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 23:49:27,097 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 23:49:27,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 23:49:27,277 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 23:49:27,278 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-20 23:49:27,280 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1206850025] [2021-11-20 23:49:27,280 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1206850025] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 23:49:27,281 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 23:49:27,281 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-20 23:49:27,283 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1665008886] [2021-11-20 23:49:27,283 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 23:49:27,288 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-20 23:49:27,288 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-20 23:49:27,319 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-20 23:49:27,320 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-20 23:49:27,324 INFO L87 Difference]: Start difference. First operand has 141 states, 121 states have (on average 1.7933884297520661) internal successors, (217), 132 states have internal predecessors, (217), 16 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (16), 7 states have call predecessors, (16), 16 states have call successors, (16) Second operand has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 2 states have internal predecessors, (7), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 23:49:29,277 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 23:49:29,278 INFO L93 Difference]: Finished difference Result 375 states and 678 transitions. [2021-11-20 23:49:29,284 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-20 23:49:29,285 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 2 states have internal predecessors, (7), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 8 [2021-11-20 23:49:29,286 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 23:49:29,297 INFO L225 Difference]: With dead ends: 375 [2021-11-20 23:49:29,297 INFO L226 Difference]: Without dead ends: 220 [2021-11-20 23:49:29,302 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-20 23:49:29,305 INFO L933 BasicCegarLoop]: 172 mSDtfsCounter, 97 mSDsluCounter, 177 mSDsCounter, 0 mSdLazyCounter, 53 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 103 SdHoareTripleChecker+Valid, 328 SdHoareTripleChecker+Invalid, 53 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 53 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.9s IncrementalHoareTripleChecker+Time [2021-11-20 23:49:29,306 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [103 Valid, 328 Invalid, 53 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 53 Invalid, 0 Unknown, 0 Unchecked, 1.9s Time] [2021-11-20 23:49:29,324 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 220 states. [2021-11-20 23:49:29,356 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 220 to 127. [2021-11-20 23:49:29,357 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 127 states, 108 states have (on average 1.212962962962963) internal successors, (131), 118 states have internal predecessors, (131), 16 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (16), 7 states have call predecessors, (16), 16 states have call successors, (16) [2021-11-20 23:49:29,360 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 127 states to 127 states and 163 transitions. [2021-11-20 23:49:29,361 INFO L78 Accepts]: Start accepts. Automaton has 127 states and 163 transitions. Word has length 8 [2021-11-20 23:49:29,361 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 23:49:29,362 INFO L470 AbstractCegarLoop]: Abstraction has 127 states and 163 transitions. [2021-11-20 23:49:29,362 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 2 states have internal predecessors, (7), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 23:49:29,362 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states and 163 transitions. [2021-11-20 23:49:29,365 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2021-11-20 23:49:29,365 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 23:49:29,366 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 23:49:29,366 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-20 23:49:29,366 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-20 23:49:29,367 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 23:49:29,367 INFO L85 PathProgramCache]: Analyzing trace with hash -660444059, now seen corresponding path program 1 times [2021-11-20 23:49:29,367 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-20 23:49:29,368 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1296034696] [2021-11-20 23:49:29,368 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 23:49:29,368 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 23:49:29,394 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-20 23:49:29,395 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1312398628] [2021-11-20 23:49:29,395 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 23:49:29,395 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-20 23:49:29,396 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9a4dcab-e211-413b-9e68-741593531a1c/bin/utaipan-TEXQjIfE4P/z3 [2021-11-20 23:49:29,401 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9a4dcab-e211-413b-9e68-741593531a1c/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-20 23:49:29,417 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9a4dcab-e211-413b-9e68-741593531a1c/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-11-20 23:49:29,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 23:49:29,813 INFO L263 TraceCheckSpWp]: Trace formula consists of 255 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-20 23:49:29,821 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-20 23:49:30,066 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 23:49:30,067 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-20 23:49:30,251 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 23:49:30,251 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-20 23:49:30,252 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1296034696] [2021-11-20 23:49:30,252 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-20 23:49:30,252 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1312398628] [2021-11-20 23:49:30,252 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1312398628] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-20 23:49:30,253 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [959474910] [2021-11-20 23:49:30,286 INFO L159 IcfgInterpreter]: Started Sifa with 52 locations of interest [2021-11-20 23:49:30,286 INFO L166 IcfgInterpreter]: Building call graph [2021-11-20 23:49:30,291 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2021-11-20 23:49:30,297 INFO L176 IcfgInterpreter]: Starting interpretation [2021-11-20 23:49:30,298 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2021-11-20 23:49:30,567 INFO L354 Elim1Store]: treesize reduction 36, result has 34.5 percent of original size [2021-11-20 23:49:30,568 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 27 treesize of output 41 [2021-11-20 23:49:30,610 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 0 case distinctions, treesize of input 17 treesize of output 22 [2021-11-20 23:49:30,647 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:49:30,649 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 3 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 [2021-11-20 23:49:30,660 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:49:30,661 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-20 23:49:30,663 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 39 [2021-11-20 23:49:30,701 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:49:30,703 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 3 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 [2021-11-20 23:49:31,982 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:49:31,983 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:49:31,984 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:49:31,989 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 3 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 [2021-11-20 23:49:32,020 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:49:32,023 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:49:32,024 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:49:32,025 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:49:32,026 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:49:32,027 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:49:32,027 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:49:32,028 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:49:32,030 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 8 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 70 treesize of output 67 [2021-11-20 23:49:32,048 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:49:32,049 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:49:32,050 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:49:32,051 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:49:32,052 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:49:32,053 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:49:32,054 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:49:32,055 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:49:32,057 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 0 case distinctions, treesize of input 55 treesize of output 66 [2021-11-20 23:49:32,148 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:49:32,149 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:49:32,150 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:49:32,152 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 3 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 [2021-11-20 23:49:32,207 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:49:32,208 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-20 23:49:32,210 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:49:32,221 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2021-11-20 23:49:32,222 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 33 treesize of output 43 [2021-11-20 23:49:32,268 INFO L354 Elim1Store]: treesize reduction 20, result has 48.7 percent of original size [2021-11-20 23:49:32,268 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 17 treesize of output 30 [2021-11-20 23:49:32,328 INFO L354 Elim1Store]: treesize reduction 36, result has 34.5 percent of original size [2021-11-20 23:49:32,328 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 27 treesize of output 41 [2021-11-20 23:49:32,399 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:49:32,400 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 3 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 [2021-11-20 23:49:32,424 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:49:32,425 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 3 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 [2021-11-20 23:49:33,568 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:49:33,569 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:49:33,570 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:49:33,571 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:49:33,572 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:49:33,577 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:49:33,579 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:49:33,580 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:49:33,583 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 8 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 70 treesize of output 67 [2021-11-20 23:49:33,595 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:49:33,596 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:49:33,597 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:49:33,598 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:49:33,600 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:49:33,601 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:49:33,602 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:49:33,603 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:49:33,606 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 0 case distinctions, treesize of input 55 treesize of output 66 [2021-11-20 23:49:33,659 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:49:33,660 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:49:33,661 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:49:33,663 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 3 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 [2021-11-20 23:49:33,732 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:49:33,733 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:49:33,734 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:49:33,736 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 3 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 [2021-11-20 23:49:33,780 INFO L180 IcfgInterpreter]: Interpretation finished [2021-11-20 23:49:34,346 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSifa [959474910] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 23:49:34,347 INFO L186 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2021-11-20 23:49:34,347 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [3, 3] total 11 [2021-11-20 23:49:34,348 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [838240865] [2021-11-20 23:49:34,348 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 23:49:34,349 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-11-20 23:49:34,349 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-20 23:49:34,349 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-11-20 23:49:34,349 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=63, Invalid=69, Unknown=0, NotChecked=0, Total=132 [2021-11-20 23:49:34,350 INFO L87 Difference]: Start difference. First operand 127 states and 163 transitions. Second operand has 8 states, 8 states have (on average 6.375) internal successors, (51), 7 states have internal predecessors, (51), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 23:49:37,712 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 23:49:37,712 INFO L93 Difference]: Finished difference Result 265 states and 340 transitions. [2021-11-20 23:49:37,713 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-11-20 23:49:37,713 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 6.375) internal successors, (51), 7 states have internal predecessors, (51), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 52 [2021-11-20 23:49:37,713 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 23:49:37,715 INFO L225 Difference]: With dead ends: 265 [2021-11-20 23:49:37,715 INFO L226 Difference]: Without dead ends: 140 [2021-11-20 23:49:37,717 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 154 GetRequests, 144 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 37 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=63, Invalid=69, Unknown=0, NotChecked=0, Total=132 [2021-11-20 23:49:37,718 INFO L933 BasicCegarLoop]: 141 mSDtfsCounter, 9 mSDsluCounter, 242 mSDsCounter, 0 mSdLazyCounter, 145 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9 SdHoareTripleChecker+Valid, 376 SdHoareTripleChecker+Invalid, 156 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 145 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.3s IncrementalHoareTripleChecker+Time [2021-11-20 23:49:37,719 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [9 Valid, 376 Invalid, 156 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 145 Invalid, 0 Unknown, 0 Unchecked, 3.3s Time] [2021-11-20 23:49:37,720 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 140 states. [2021-11-20 23:49:37,733 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 140 to 137. [2021-11-20 23:49:37,734 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 137 states, 118 states have (on average 1.194915254237288) internal successors, (141), 128 states have internal predecessors, (141), 16 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (16), 7 states have call predecessors, (16), 16 states have call successors, (16) [2021-11-20 23:49:37,736 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 137 states to 137 states and 173 transitions. [2021-11-20 23:49:37,736 INFO L78 Accepts]: Start accepts. Automaton has 137 states and 173 transitions. Word has length 52 [2021-11-20 23:49:37,737 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 23:49:37,737 INFO L470 AbstractCegarLoop]: Abstraction has 137 states and 173 transitions. [2021-11-20 23:49:37,737 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 6.375) internal successors, (51), 7 states have internal predecessors, (51), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 23:49:37,737 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 173 transitions. [2021-11-20 23:49:37,740 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2021-11-20 23:49:37,740 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 23:49:37,740 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 23:49:37,779 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9a4dcab-e211-413b-9e68-741593531a1c/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2021-11-20 23:49:37,961 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9a4dcab-e211-413b-9e68-741593531a1c/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-20 23:49:37,962 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-20 23:49:37,962 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 23:49:37,962 INFO L85 PathProgramCache]: Analyzing trace with hash -2080398640, now seen corresponding path program 1 times [2021-11-20 23:49:37,962 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-20 23:49:37,962 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [379473891] [2021-11-20 23:49:37,963 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 23:49:37,963 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 23:49:37,983 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-20 23:49:37,983 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [647546095] [2021-11-20 23:49:37,983 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 23:49:37,984 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-20 23:49:37,984 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9a4dcab-e211-413b-9e68-741593531a1c/bin/utaipan-TEXQjIfE4P/z3 [2021-11-20 23:49:37,985 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9a4dcab-e211-413b-9e68-741593531a1c/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-20 23:49:38,019 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9a4dcab-e211-413b-9e68-741593531a1c/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2021-11-20 23:49:38,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 23:49:38,258 INFO L263 TraceCheckSpWp]: Trace formula consists of 360 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-20 23:49:38,265 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-20 23:49:38,430 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-20 23:49:38,431 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-20 23:49:38,602 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-20 23:49:38,602 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-20 23:49:38,602 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [379473891] [2021-11-20 23:49:38,603 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-20 23:49:38,603 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [647546095] [2021-11-20 23:49:38,603 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [647546095] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-20 23:49:38,603 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [213772831] [2021-11-20 23:49:38,608 INFO L159 IcfgInterpreter]: Started Sifa with 62 locations of interest [2021-11-20 23:49:38,608 INFO L166 IcfgInterpreter]: Building call graph [2021-11-20 23:49:38,609 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2021-11-20 23:49:38,609 INFO L176 IcfgInterpreter]: Starting interpretation [2021-11-20 23:49:38,610 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2021-11-20 23:49:38,809 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:49:38,810 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 [2021-11-20 23:49:38,844 INFO L354 Elim1Store]: treesize reduction 20, result has 48.7 percent of original size [2021-11-20 23:49:38,845 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 17 treesize of output 30 [2021-11-20 23:49:38,872 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:49:38,878 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 [2021-11-20 23:49:38,918 INFO L354 Elim1Store]: treesize reduction 36, result has 34.5 percent of original size [2021-11-20 23:49:38,918 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 27 treesize of output 41 [2021-11-20 23:49:38,947 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:49:38,948 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-20 23:49:38,953 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 5 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 39 [2021-11-20 23:49:40,027 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:49:40,028 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:49:40,029 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:49:40,030 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 3 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 [2021-11-20 23:49:40,073 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:49:40,074 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:49:40,075 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:49:40,077 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:49:40,077 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:49:40,078 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:49:40,079 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:49:40,080 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:49:40,083 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 8 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 70 treesize of output 67 [2021-11-20 23:49:40,096 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:49:40,097 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:49:40,097 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:49:40,098 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:49:40,099 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:49:40,099 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:49:40,100 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:49:40,101 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:49:40,102 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 0 case distinctions, treesize of input 55 treesize of output 66 [2021-11-20 23:49:40,164 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:49:40,165 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:49:40,166 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:49:40,167 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 3 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 [2021-11-20 23:49:40,241 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:49:40,241 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:49:40,242 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:49:40,244 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 3 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 [2021-11-20 23:49:40,310 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:49:40,312 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:49:40,313 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:49:40,316 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 3 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 [2021-11-20 23:49:40,354 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:49:40,355 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:49:40,356 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:49:40,356 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:49:40,357 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:49:40,358 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:49:40,359 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:49:40,359 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:49:40,360 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:49:40,361 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:49:40,362 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:49:40,362 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:49:40,368 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 0 case distinctions, treesize of input 89 treesize of output 88 [2021-11-20 23:49:40,377 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:49:40,378 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:49:40,379 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:49:40,379 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:49:40,380 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:49:40,381 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:49:40,381 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:49:40,382 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:49:40,383 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:49:40,383 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:49:40,384 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:49:40,384 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:49:40,386 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 0 case distinctions, treesize of input 70 treesize of output 69 [2021-11-20 23:49:40,509 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:49:40,509 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:49:40,511 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:49:40,512 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:49:40,513 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:49:40,513 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:49:40,519 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 0 case distinctions, treesize of input 41 treesize of output 46 [2021-11-20 23:49:40,550 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:49:40,551 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:49:40,552 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:49:40,552 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:49:40,553 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:49:40,555 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:49:40,556 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:49:40,556 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:49:40,564 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:49:40,565 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:49:40,566 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:49:40,567 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:49:40,568 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:49:40,569 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:49:40,570 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:49:40,575 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-20 23:49:40,576 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 15 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 8 case distinctions, treesize of input 70 treesize of output 69 [2021-11-20 23:49:40,629 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:49:40,630 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:49:40,630 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:49:40,631 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:49:40,632 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:49:40,632 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:49:40,633 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 0 case distinctions, treesize of input 100 treesize of output 105 [2021-11-20 23:49:40,644 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:49:40,683 INFO L354 Elim1Store]: treesize reduction 86, result has 15.7 percent of original size [2021-11-20 23:49:40,683 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 117 treesize of output 125 [2021-11-20 23:49:40,702 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:49:40,741 INFO L354 Elim1Store]: treesize reduction 176, result has 10.7 percent of original size [2021-11-20 23:49:40,742 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 4 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 10 case distinctions, treesize of input 116 treesize of output 119 [2021-11-20 23:49:41,475 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:49:41,482 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 [2021-11-20 23:49:41,497 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:49:41,498 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-20 23:49:41,500 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:49:41,509 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2021-11-20 23:49:41,510 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 33 treesize of output 43 [2021-11-20 23:49:41,545 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:49:41,546 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 [2021-11-20 23:49:41,578 INFO L354 Elim1Store]: treesize reduction 36, result has 34.5 percent of original size [2021-11-20 23:49:41,579 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 27 treesize of output 41 [2021-11-20 23:49:41,610 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 22 [2021-11-20 23:49:42,708 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:49:42,709 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:49:42,710 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:49:42,711 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 3 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 [2021-11-20 23:49:42,731 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:49:42,732 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:49:42,732 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:49:42,733 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 3 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 [2021-11-20 23:49:42,760 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:49:42,761 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:49:42,762 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:49:42,763 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:49:42,763 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:49:42,764 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:49:42,765 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:49:42,765 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:49:42,766 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 8 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 70 treesize of output 67 [2021-11-20 23:49:42,788 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:49:42,789 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:49:42,790 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:49:42,791 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:49:42,792 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:49:42,793 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:49:42,794 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:49:42,795 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:49:42,797 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 0 case distinctions, treesize of input 55 treesize of output 66 [2021-11-20 23:49:42,874 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:49:42,874 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:49:42,875 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:49:42,876 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 3 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 [2021-11-20 23:49:42,941 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:49:42,942 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:49:42,942 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:49:42,943 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 3 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 [2021-11-20 23:49:42,972 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:49:42,973 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:49:42,974 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:49:42,975 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:49:42,975 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:49:42,976 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:49:42,977 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:49:42,978 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:49:42,978 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:49:42,979 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:49:42,980 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:49:42,980 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:49:42,981 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:49:42,982 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:49:42,983 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:49:42,983 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:49:42,984 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:49:42,986 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 17 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 75 treesize of output 78 [2021-11-20 23:49:43,067 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:49:43,068 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:49:43,069 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:49:43,070 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:49:43,070 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:49:43,071 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:49:43,072 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:49:43,073 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:49:43,074 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:49:43,074 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:49:43,075 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:49:43,076 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:49:43,077 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:49:43,078 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:49:43,079 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:49:43,084 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-20 23:49:43,084 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 15 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 8 case distinctions, treesize of input 70 treesize of output 69 [2021-11-20 23:49:43,120 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:49:43,121 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:49:43,122 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:49:43,123 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:49:43,123 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:49:43,124 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:49:43,129 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 0 case distinctions, treesize of input 41 treesize of output 46 [2021-11-20 23:49:43,164 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:49:43,165 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:49:43,166 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:49:43,167 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:49:43,174 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:49:43,175 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:49:43,176 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 0 case distinctions, treesize of input 100 treesize of output 105 [2021-11-20 23:49:43,193 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:49:43,254 INFO L354 Elim1Store]: treesize reduction 146, result has 25.9 percent of original size [2021-11-20 23:49:43,255 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 4 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 10 case distinctions, treesize of input 117 treesize of output 150 [2021-11-20 23:49:43,273 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:49:43,304 INFO L354 Elim1Store]: treesize reduction 86, result has 15.7 percent of original size [2021-11-20 23:49:43,304 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 135 treesize of output 143 [2021-11-20 23:49:44,165 INFO L197 IcfgInterpreter]: Interpreting procedure #Ultimate.C_memset with input of size 93 for LOIs [2021-11-20 23:49:44,470 INFO L180 IcfgInterpreter]: Interpretation finished [2021-11-20 23:49:45,517 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSifa [213772831] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 23:49:45,518 INFO L186 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2021-11-20 23:49:45,518 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [4, 4] total 17 [2021-11-20 23:49:45,518 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [675993629] [2021-11-20 23:49:45,518 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 23:49:45,519 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2021-11-20 23:49:45,519 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-20 23:49:45,519 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-11-20 23:49:45,520 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=100, Invalid=172, Unknown=0, NotChecked=0, Total=272 [2021-11-20 23:49:45,520 INFO L87 Difference]: Start difference. First operand 137 states and 173 transitions. Second operand has 13 states, 12 states have (on average 4.833333333333333) internal successors, (58), 11 states have internal predecessors, (58), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) [2021-11-20 23:49:47,735 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.52s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-11-20 23:49:50,009 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.68s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-11-20 23:49:51,807 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 23:49:51,807 INFO L93 Difference]: Finished difference Result 267 states and 342 transitions. [2021-11-20 23:49:51,807 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-11-20 23:49:51,808 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 4.833333333333333) internal successors, (58), 11 states have internal predecessors, (58), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) Word has length 65 [2021-11-20 23:49:51,808 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 23:49:51,810 INFO L225 Difference]: With dead ends: 267 [2021-11-20 23:49:51,810 INFO L226 Difference]: Without dead ends: 142 [2021-11-20 23:49:51,811 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 193 GetRequests, 178 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 86 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=100, Invalid=172, Unknown=0, NotChecked=0, Total=272 [2021-11-20 23:49:51,813 INFO L933 BasicCegarLoop]: 140 mSDtfsCounter, 11 mSDsluCounter, 335 mSDsCounter, 0 mSdLazyCounter, 152 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11 SdHoareTripleChecker+Valid, 465 SdHoareTripleChecker+Invalid, 239 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 152 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 77 IncrementalHoareTripleChecker+Unchecked, 6.3s IncrementalHoareTripleChecker+Time [2021-11-20 23:49:51,813 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [11 Valid, 465 Invalid, 239 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 152 Invalid, 0 Unknown, 77 Unchecked, 6.3s Time] [2021-11-20 23:49:51,815 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 142 states. [2021-11-20 23:49:51,830 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 142 to 142. [2021-11-20 23:49:51,831 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 142 states, 122 states have (on average 1.1885245901639345) internal successors, (145), 132 states have internal predecessors, (145), 17 states have call successors, (17), 3 states have call predecessors, (17), 2 states have return successors, (17), 7 states have call predecessors, (17), 17 states have call successors, (17) [2021-11-20 23:49:51,832 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 142 states to 142 states and 179 transitions. [2021-11-20 23:49:51,833 INFO L78 Accepts]: Start accepts. Automaton has 142 states and 179 transitions. Word has length 65 [2021-11-20 23:49:51,833 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 23:49:51,833 INFO L470 AbstractCegarLoop]: Abstraction has 142 states and 179 transitions. [2021-11-20 23:49:51,833 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 4.833333333333333) internal successors, (58), 11 states have internal predecessors, (58), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) [2021-11-20 23:49:51,834 INFO L276 IsEmpty]: Start isEmpty. Operand 142 states and 179 transitions. [2021-11-20 23:49:51,836 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2021-11-20 23:49:51,836 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 23:49:51,836 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 23:49:51,865 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9a4dcab-e211-413b-9e68-741593531a1c/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2021-11-20 23:49:52,057 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9a4dcab-e211-413b-9e68-741593531a1c/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-20 23:49:52,057 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-20 23:49:52,058 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 23:49:52,058 INFO L85 PathProgramCache]: Analyzing trace with hash 2054535782, now seen corresponding path program 1 times [2021-11-20 23:49:52,058 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-20 23:49:52,058 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [45634922] [2021-11-20 23:49:52,058 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 23:49:52,058 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 23:49:52,071 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-20 23:49:52,071 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [464797633] [2021-11-20 23:49:52,071 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 23:49:52,071 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-20 23:49:52,071 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9a4dcab-e211-413b-9e68-741593531a1c/bin/utaipan-TEXQjIfE4P/z3 [2021-11-20 23:49:52,074 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9a4dcab-e211-413b-9e68-741593531a1c/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-20 23:49:52,092 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9a4dcab-e211-413b-9e68-741593531a1c/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2021-11-20 23:49:52,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 23:49:52,323 INFO L263 TraceCheckSpWp]: Trace formula consists of 366 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-20 23:49:52,327 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-20 23:49:52,483 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-11-20 23:49:52,483 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-20 23:49:52,644 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-11-20 23:49:52,645 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-20 23:49:52,645 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [45634922] [2021-11-20 23:49:52,645 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-20 23:49:52,645 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [464797633] [2021-11-20 23:49:52,645 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [464797633] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-20 23:49:52,646 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [509753656] [2021-11-20 23:49:52,649 INFO L159 IcfgInterpreter]: Started Sifa with 62 locations of interest [2021-11-20 23:49:52,650 INFO L166 IcfgInterpreter]: Building call graph [2021-11-20 23:49:52,650 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2021-11-20 23:49:52,651 INFO L176 IcfgInterpreter]: Starting interpretation [2021-11-20 23:49:52,651 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2021-11-20 23:49:52,792 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:49:52,793 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 [2021-11-20 23:49:52,827 INFO L354 Elim1Store]: treesize reduction 36, result has 34.5 percent of original size [2021-11-20 23:49:52,828 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 27 treesize of output 41 [2021-11-20 23:49:52,872 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:49:52,872 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 3 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 [2021-11-20 23:49:52,882 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 0 case distinctions, treesize of input 17 treesize of output 22 [2021-11-20 23:49:52,895 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:49:52,896 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-20 23:49:52,897 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 39 [2021-11-20 23:49:53,849 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:49:53,850 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:49:53,851 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:49:53,851 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 3 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 [2021-11-20 23:49:53,911 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:49:53,912 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:49:53,912 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:49:53,914 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 3 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 [2021-11-20 23:49:53,938 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:49:53,939 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:49:53,942 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:49:53,943 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:49:53,944 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:49:53,945 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:49:53,945 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:49:53,946 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:49:53,951 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 8 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 70 treesize of output 67 [2021-11-20 23:49:53,962 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:49:53,962 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:49:53,963 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:49:53,964 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:49:53,965 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:49:53,965 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:49:53,966 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:49:53,967 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:49:53,968 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 0 case distinctions, treesize of input 55 treesize of output 66 [2021-11-20 23:49:54,071 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:49:54,074 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:49:54,075 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:49:54,077 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 3 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 [2021-11-20 23:49:54,107 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:49:54,108 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:49:54,109 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:49:54,109 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 3 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 [2021-11-20 23:49:54,140 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:49:54,141 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:49:54,142 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:49:54,143 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:49:54,143 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:49:54,144 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:49:54,145 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:49:54,155 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:49:54,156 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:49:54,157 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:49:54,157 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:49:54,158 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:49:54,162 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 0 case distinctions, treesize of input 89 treesize of output 88 [2021-11-20 23:49:54,189 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:49:54,190 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:49:54,190 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:49:54,191 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:49:54,192 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:49:54,193 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:49:54,194 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:49:54,194 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:49:54,195 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:49:54,196 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:49:54,196 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:49:54,197 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:49:54,198 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 0 case distinctions, treesize of input 70 treesize of output 69 [2021-11-20 23:49:54,360 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:49:54,361 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:49:54,362 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:49:54,363 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:49:54,363 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:49:54,364 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:49:54,368 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 0 case distinctions, treesize of input 41 treesize of output 46 [2021-11-20 23:49:54,415 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:49:54,416 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:49:54,417 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:49:54,418 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:49:54,418 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:49:54,419 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:49:54,420 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:49:54,420 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:49:54,421 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:49:54,422 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:49:54,422 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:49:54,423 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:49:54,424 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:49:54,425 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:49:54,425 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:49:54,429 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-20 23:49:54,429 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 15 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 8 case distinctions, treesize of input 70 treesize of output 69 [2021-11-20 23:49:54,473 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:49:54,474 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:49:54,475 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:49:54,476 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:49:54,477 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:49:54,478 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:49:54,479 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 0 case distinctions, treesize of input 100 treesize of output 105 [2021-11-20 23:49:54,496 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:49:54,565 INFO L354 Elim1Store]: treesize reduction 146, result has 25.9 percent of original size [2021-11-20 23:49:54,565 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 4 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 10 case distinctions, treesize of input 117 treesize of output 150 [2021-11-20 23:49:54,577 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:49:54,609 INFO L354 Elim1Store]: treesize reduction 86, result has 15.7 percent of original size [2021-11-20 23:49:54,610 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 135 treesize of output 143 [2021-11-20 23:49:55,094 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 [2021-11-20 23:49:55,102 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 [2021-11-20 23:49:55,112 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 [2021-11-20 23:49:55,165 INFO L354 Elim1Store]: treesize reduction 19, result has 36.7 percent of original size [2021-11-20 23:49:55,165 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 85 treesize of output 88 [2021-11-20 23:49:55,194 INFO L354 Elim1Store]: treesize reduction 21, result has 34.4 percent of original size [2021-11-20 23:49:55,195 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 88 treesize of output 91 [2021-11-20 23:49:55,220 INFO L354 Elim1Store]: treesize reduction 19, result has 36.7 percent of original size [2021-11-20 23:49:55,221 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 91 treesize of output 94 [2021-11-20 23:49:55,336 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 [2021-11-20 23:49:55,347 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 [2021-11-20 23:49:55,359 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 [2021-11-20 23:49:55,435 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:49:55,436 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:49:55,437 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:49:55,438 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:49:55,439 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:49:55,440 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:49:55,441 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:49:55,441 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:49:55,443 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 8 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 51 treesize of output 21 [2021-11-20 23:49:55,462 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:49:55,463 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:49:55,464 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:49:55,465 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:49:55,466 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:49:55,467 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:49:55,468 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 68 treesize of output 26 [2021-11-20 23:49:55,588 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:49:55,589 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:49:55,590 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:49:55,592 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:49:55,593 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:49:55,594 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:49:55,595 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 6 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 [2021-11-20 23:49:55,858 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:49:55,859 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:49:55,860 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:49:55,861 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:49:55,862 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:49:55,863 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:49:55,864 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 68 treesize of output 26 [2021-11-20 23:49:55,948 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:49:55,949 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:49:55,950 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:49:55,951 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:49:55,952 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:49:55,953 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:49:55,954 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:49:55,955 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:49:55,956 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 8 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 51 treesize of output 21 [2021-11-20 23:49:55,993 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:49:55,994 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:49:55,995 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:49:55,996 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:49:55,997 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:49:55,998 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:49:55,999 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 6 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 [2021-11-20 23:50:03,068 WARN L227 SmtUtils]: Spent 6.94s on a formula simplification. DAG size of input: 66 DAG size of output: 32 (called from [L 351] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2021-11-20 23:50:03,069 INFO L354 Elim1Store]: treesize reduction 348, result has 15.7 percent of original size [2021-11-20 23:50:03,069 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 5 new quantified variables, introduced 4 case distinctions, treesize of input 2837 treesize of output 2314 [2021-11-20 23:50:03,103 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:50:15,040 WARN L227 SmtUtils]: Spent 11.93s on a formula simplification. DAG size of input: 90 DAG size of output: 46 (called from [L 351] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2021-11-20 23:50:15,040 INFO L354 Elim1Store]: treesize reduction 262, result has 32.6 percent of original size [2021-11-20 23:50:15,041 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 4 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 7 new quantified variables, introduced 8 case distinctions, treesize of input 2938 treesize of output 2656 [2021-11-20 23:50:28,910 WARN L227 SmtUtils]: Spent 13.76s on a formula simplification. DAG size of input: 251 DAG size of output: 142 (called from [L 351] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2021-11-20 23:50:28,912 INFO L354 Elim1Store]: treesize reduction 2750, result has 29.6 percent of original size [2021-11-20 23:50:28,913 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 4 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 4 new quantified variables, introduced 16 case distinctions, treesize of input 2906 treesize of output 2676 [2021-11-20 23:50:29,783 INFO L354 Elim1Store]: treesize reduction 96, result has 17.9 percent of original size [2021-11-20 23:50:29,784 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 9 case distinctions, treesize of input 25944 treesize of output 25955 [2021-11-20 23:50:30,644 INFO L354 Elim1Store]: treesize reduction 166, result has 13.5 percent of original size [2021-11-20 23:50:30,645 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 6 select indices, 6 select index equivalence classes, 3 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 17 case distinctions, treesize of input 25943 treesize of output 25955 [2021-11-20 23:50:32,614 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-20 23:50:32,935 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:50:33,011 INFO L354 Elim1Store]: treesize reduction 32, result has 3.0 percent of original size [2021-11-20 23:50:33,011 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 50 treesize of output 32 [2021-11-20 23:50:33,392 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:50:33,535 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-20 23:50:33,535 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 3 case distinctions, treesize of input 51 treesize of output 61