./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/seq-pthread/cs_fib-1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 9ad7fb26 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7aa1670c-4658-4f22-9cb8-4e090173c09a/bin/utaipan-aC7eJsxGYH/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7aa1670c-4658-4f22-9cb8-4e090173c09a/bin/utaipan-aC7eJsxGYH/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7aa1670c-4658-4f22-9cb8-4e090173c09a/bin/utaipan-aC7eJsxGYH/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7aa1670c-4658-4f22-9cb8-4e090173c09a/bin/utaipan-aC7eJsxGYH/config/TaipanReach.xml -i ../../sv-benchmarks/c/seq-pthread/cs_fib-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7aa1670c-4658-4f22-9cb8-4e090173c09a/bin/utaipan-aC7eJsxGYH/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7aa1670c-4658-4f22-9cb8-4e090173c09a/bin/utaipan-aC7eJsxGYH --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 da5783328d73eba8f05689c8b63c9b7f7c1c1eeab4600bb7173d3ddf64fb59e0 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-9ad7fb2 [2021-11-03 03:55:09,012 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-03 03:55:09,015 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-03 03:55:09,063 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-03 03:55:09,064 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-03 03:55:09,068 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-03 03:55:09,071 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-03 03:55:09,075 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-03 03:55:09,078 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-03 03:55:09,086 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-03 03:55:09,087 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-03 03:55:09,088 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-03 03:55:09,089 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-03 03:55:09,092 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-03 03:55:09,096 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-03 03:55:09,102 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-03 03:55:09,104 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-03 03:55:09,105 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-03 03:55:09,110 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-03 03:55:09,115 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-03 03:55:09,119 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-03 03:55:09,121 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-03 03:55:09,124 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-03 03:55:09,125 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-03 03:55:09,131 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-03 03:55:09,132 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-03 03:55:09,132 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-03 03:55:09,134 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-03 03:55:09,135 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-03 03:55:09,136 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-03 03:55:09,137 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-03 03:55:09,138 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-03 03:55:09,140 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-03 03:55:09,141 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-03 03:55:09,143 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-03 03:55:09,143 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-03 03:55:09,144 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-03 03:55:09,144 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-03 03:55:09,144 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-03 03:55:09,145 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-03 03:55:09,146 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-03 03:55:09,147 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7aa1670c-4658-4f22-9cb8-4e090173c09a/bin/utaipan-aC7eJsxGYH/config/svcomp-Reach-32bit-Taipan_Default.epf [2021-11-03 03:55:09,186 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-03 03:55:09,187 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-03 03:55:09,187 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-03 03:55:09,188 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-03 03:55:09,188 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-03 03:55:09,188 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-03 03:55:09,188 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-03 03:55:09,189 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-03 03:55:09,189 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-03 03:55:09,189 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-03 03:55:09,189 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-03 03:55:09,189 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-03 03:55:09,190 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-03 03:55:09,190 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-03 03:55:09,190 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2021-11-03 03:55:09,191 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-03 03:55:09,191 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-03 03:55:09,191 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-03 03:55:09,192 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-03 03:55:09,192 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-03 03:55:09,192 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-03 03:55:09,192 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-03 03:55:09,193 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-03 03:55:09,193 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-03 03:55:09,193 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-03 03:55:09,193 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-03 03:55:09,193 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-03 03:55:09,194 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-03 03:55:09,194 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-03 03:55:09,194 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-03 03:55:09,194 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-03 03:55:09,195 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-03 03:55:09,195 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-03 03:55:09,195 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-03 03:55:09,195 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-03 03:55:09,196 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-03 03:55:09,196 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-03 03:55:09,196 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-03 03:55:09,196 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-03 03:55:09,196 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_7aa1670c-4658-4f22-9cb8-4e090173c09a/bin/utaipan-aC7eJsxGYH/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7aa1670c-4658-4f22-9cb8-4e090173c09a/bin/utaipan-aC7eJsxGYH Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> da5783328d73eba8f05689c8b63c9b7f7c1c1eeab4600bb7173d3ddf64fb59e0 [2021-11-03 03:55:09,501 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-03 03:55:09,522 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-03 03:55:09,525 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-03 03:55:09,526 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-03 03:55:09,527 INFO L275 PluginConnector]: CDTParser initialized [2021-11-03 03:55:09,528 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7aa1670c-4658-4f22-9cb8-4e090173c09a/bin/utaipan-aC7eJsxGYH/../../sv-benchmarks/c/seq-pthread/cs_fib-1.i [2021-11-03 03:55:09,583 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7aa1670c-4658-4f22-9cb8-4e090173c09a/bin/utaipan-aC7eJsxGYH/data/7ab651be2/5d20d84141284743afcd56b4c3c19571/FLAG1429807de [2021-11-03 03:55:10,194 INFO L306 CDTParser]: Found 1 translation units. [2021-11-03 03:55:10,195 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7aa1670c-4658-4f22-9cb8-4e090173c09a/sv-benchmarks/c/seq-pthread/cs_fib-1.i [2021-11-03 03:55:10,211 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7aa1670c-4658-4f22-9cb8-4e090173c09a/bin/utaipan-aC7eJsxGYH/data/7ab651be2/5d20d84141284743afcd56b4c3c19571/FLAG1429807de [2021-11-03 03:55:10,591 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7aa1670c-4658-4f22-9cb8-4e090173c09a/bin/utaipan-aC7eJsxGYH/data/7ab651be2/5d20d84141284743afcd56b4c3c19571 [2021-11-03 03:55:10,593 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-03 03:55:10,607 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-03 03:55:10,608 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-03 03:55:10,609 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-03 03:55:10,611 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-03 03:55:10,612 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 03:55:10" (1/1) ... [2021-11-03 03:55:10,621 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@16782a68 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:55:10, skipping insertion in model container [2021-11-03 03:55:10,621 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 03:55:10" (1/1) ... [2021-11-03 03:55:10,627 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-03 03:55:10,685 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-03 03:55:11,001 WARN L228 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_7aa1670c-4658-4f22-9cb8-4e090173c09a/sv-benchmarks/c/seq-pthread/cs_fib-1.i[23602,23615] [2021-11-03 03:55:11,178 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-03 03:55:11,192 INFO L203 MainTranslator]: Completed pre-run [2021-11-03 03:55:11,219 WARN L228 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_7aa1670c-4658-4f22-9cb8-4e090173c09a/sv-benchmarks/c/seq-pthread/cs_fib-1.i[23602,23615] [2021-11-03 03:55:11,297 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-03 03:55:11,336 INFO L208 MainTranslator]: Completed translation [2021-11-03 03:55:11,336 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:55:11 WrapperNode [2021-11-03 03:55:11,337 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-03 03:55:11,338 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-03 03:55:11,338 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-03 03:55:11,338 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-03 03:55:11,345 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:55:11" (1/1) ... [2021-11-03 03:55:11,386 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:55:11" (1/1) ... [2021-11-03 03:55:11,515 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-03 03:55:11,516 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-03 03:55:11,517 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-03 03:55:11,517 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-03 03:55:11,527 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:55:11" (1/1) ... [2021-11-03 03:55:11,528 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:55:11" (1/1) ... [2021-11-03 03:55:11,587 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:55:11" (1/1) ... [2021-11-03 03:55:11,587 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:55:11" (1/1) ... [2021-11-03 03:55:11,648 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:55:11" (1/1) ... [2021-11-03 03:55:11,676 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:55:11" (1/1) ... [2021-11-03 03:55:11,683 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:55:11" (1/1) ... [2021-11-03 03:55:11,697 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-03 03:55:11,702 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-03 03:55:11,702 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-03 03:55:11,703 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-03 03:55:11,704 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:55:11" (1/1) ... [2021-11-03 03:55:11,713 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-03 03:55:11,724 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7aa1670c-4658-4f22-9cb8-4e090173c09a/bin/utaipan-aC7eJsxGYH/z3 [2021-11-03 03:55:11,734 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7aa1670c-4658-4f22-9cb8-4e090173c09a/bin/utaipan-aC7eJsxGYH/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-03 03:55:11,739 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7aa1670c-4658-4f22-9cb8-4e090173c09a/bin/utaipan-aC7eJsxGYH/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-03 03:55:11,776 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-03 03:55:11,777 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-03 03:55:11,779 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-03 03:55:11,779 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-03 03:55:11,779 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-03 03:55:11,779 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-03 03:55:11,780 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-03 03:55:11,780 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-03 03:55:11,780 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-03 03:55:12,017 WARN L805 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-11-03 03:55:12,018 WARN L805 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-11-03 03:55:12,035 WARN L805 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-11-03 03:55:12,036 WARN L805 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-11-03 03:55:12,052 WARN L805 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-11-03 03:55:12,054 WARN L805 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-11-03 03:55:16,437 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint L567-12: assume 0 != __CS_cs_#t~nondet6 && 5 == ~__CS_round~0 % 256;__CS_cs_#t~ite7 := ~__CS_ret_PREEMPTED~0 % 256; [2021-11-03 03:55:16,437 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint L567-12: assume !(0 != __CS_cs_#t~nondet6 && 5 == ~__CS_round~0 % 256);__CS_cs_#t~ite7 := ~__CS_ret~0 % 256; [2021-11-03 03:55:16,437 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint L567-14: ~__CS_ret~0 := __CS_cs_#t~ite7;havoc __CS_cs_#t~nondet6;havoc __CS_cs_#t~ite7; [2021-11-03 03:55:16,437 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint L567-15: assume 0 != __CS_cs_#t~nondet6 && 5 == ~__CS_round~0 % 256;__CS_cs_#t~ite7 := ~__CS_ret_PREEMPTED~0 % 256; [2021-11-03 03:55:16,438 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint L567-15: assume !(0 != __CS_cs_#t~nondet6 && 5 == ~__CS_round~0 % 256);__CS_cs_#t~ite7 := ~__CS_ret~0 % 256; [2021-11-03 03:55:16,438 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint L567-17: ~__CS_ret~0 := __CS_cs_#t~ite7;havoc __CS_cs_#t~nondet6;havoc __CS_cs_#t~ite7; [2021-11-03 03:55:16,438 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint L567-18: assume 0 != __CS_cs_#t~nondet6 && 5 == ~__CS_round~0 % 256;__CS_cs_#t~ite7 := ~__CS_ret_PREEMPTED~0 % 256; [2021-11-03 03:55:16,438 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint L567-18: assume !(0 != __CS_cs_#t~nondet6 && 5 == ~__CS_round~0 % 256);__CS_cs_#t~ite7 := ~__CS_ret~0 % 256; [2021-11-03 03:55:16,438 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##203: assume 0 == assume_abort_if_not_~cond;assume false; [2021-11-03 03:55:16,438 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint L567-20: ~__CS_ret~0 := __CS_cs_#t~ite7;havoc __CS_cs_#t~nondet6;havoc __CS_cs_#t~ite7; [2021-11-03 03:55:16,438 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint L567-60: assume 0 != __CS_cs_#t~nondet6 && 5 == ~__CS_round~0 % 256;__CS_cs_#t~ite7 := ~__CS_ret_PREEMPTED~0 % 256; [2021-11-03 03:55:16,439 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint L567-60: assume !(0 != __CS_cs_#t~nondet6 && 5 == ~__CS_round~0 % 256);__CS_cs_#t~ite7 := ~__CS_ret~0 % 256; [2021-11-03 03:55:16,439 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint L567-62: ~__CS_ret~0 := __CS_cs_#t~ite7;havoc __CS_cs_#t~nondet6;havoc __CS_cs_#t~ite7; [2021-11-03 03:55:16,439 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint L567-63: assume 0 != __CS_cs_#t~nondet6 && 5 == ~__CS_round~0 % 256;__CS_cs_#t~ite7 := ~__CS_ret_PREEMPTED~0 % 256; [2021-11-03 03:55:16,439 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint L567-63: assume !(0 != __CS_cs_#t~nondet6 && 5 == ~__CS_round~0 % 256);__CS_cs_#t~ite7 := ~__CS_ret~0 % 256; [2021-11-03 03:55:16,439 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint L567-65: ~__CS_ret~0 := __CS_cs_#t~ite7;havoc __CS_cs_#t~nondet6;havoc __CS_cs_#t~ite7; [2021-11-03 03:55:16,439 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint L567-66: assume 0 != __CS_cs_#t~nondet6 && 5 == ~__CS_round~0 % 256;__CS_cs_#t~ite7 := ~__CS_ret_PREEMPTED~0 % 256; [2021-11-03 03:55:16,439 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint L567-66: assume !(0 != __CS_cs_#t~nondet6 && 5 == ~__CS_round~0 % 256);__CS_cs_#t~ite7 := ~__CS_ret~0 % 256; [2021-11-03 03:55:16,439 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint L567-68: ~__CS_ret~0 := __CS_cs_#t~ite7;havoc __CS_cs_#t~nondet6;havoc __CS_cs_#t~ite7; [2021-11-03 03:55:16,440 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint L567-108: assume 0 != __CS_cs_#t~nondet6 && 5 == ~__CS_round~0 % 256;__CS_cs_#t~ite7 := ~__CS_ret_PREEMPTED~0 % 256; [2021-11-03 03:55:16,440 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint L567-108: assume !(0 != __CS_cs_#t~nondet6 && 5 == ~__CS_round~0 % 256);__CS_cs_#t~ite7 := ~__CS_ret~0 % 256; [2021-11-03 03:55:16,440 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint L567-110: ~__CS_ret~0 := __CS_cs_#t~ite7;havoc __CS_cs_#t~nondet6;havoc __CS_cs_#t~ite7; [2021-11-03 03:55:16,440 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint L567-111: assume 0 != __CS_cs_#t~nondet6 && 5 == ~__CS_round~0 % 256;__CS_cs_#t~ite7 := ~__CS_ret_PREEMPTED~0 % 256; [2021-11-03 03:55:16,440 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint L567-111: assume !(0 != __CS_cs_#t~nondet6 && 5 == ~__CS_round~0 % 256);__CS_cs_#t~ite7 := ~__CS_ret~0 % 256; [2021-11-03 03:55:16,440 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint L567-113: ~__CS_ret~0 := __CS_cs_#t~ite7;havoc __CS_cs_#t~nondet6;havoc __CS_cs_#t~ite7; [2021-11-03 03:55:16,440 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint L567-114: assume 0 != __CS_cs_#t~nondet6 && 5 == ~__CS_round~0 % 256;__CS_cs_#t~ite7 := ~__CS_ret_PREEMPTED~0 % 256; [2021-11-03 03:55:16,440 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint L567-114: assume !(0 != __CS_cs_#t~nondet6 && 5 == ~__CS_round~0 % 256);__CS_cs_#t~ite7 := ~__CS_ret~0 % 256; [2021-11-03 03:55:16,441 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint L567-116: ~__CS_ret~0 := __CS_cs_#t~ite7;havoc __CS_cs_#t~nondet6;havoc __CS_cs_#t~ite7; [2021-11-03 03:55:16,441 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##204: assume !(0 == assume_abort_if_not_~cond); [2021-11-03 03:55:16,441 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##210: assume 0 == assume_abort_if_not_~cond;assume false; [2021-11-03 03:55:16,441 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##211: assume !(0 == assume_abort_if_not_~cond); [2021-11-03 03:55:16,441 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint L5-4: ~__CS_round~0 := ~__CS_round~0 % 256 + __CS_cs_~k~0 % 256;assume -2147483648 <= __CS_cs_#t~nondet6 && __CS_cs_#t~nondet6 <= 2147483647; [2021-11-03 03:55:16,441 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint L5-5: ~__CS_round~0 := ~__CS_round~0 % 256 + __CS_cs_~k~0 % 256;assume -2147483648 <= __CS_cs_#t~nondet6 && __CS_cs_#t~nondet6 <= 2147483647; [2021-11-03 03:55:16,441 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint L5-6: ~__CS_round~0 := ~__CS_round~0 % 256 + __CS_cs_~k~0 % 256;assume -2147483648 <= __CS_cs_#t~nondet6 && __CS_cs_#t~nondet6 <= 2147483647; [2021-11-03 03:55:16,442 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint L5-20: ~__CS_round~0 := ~__CS_round~0 % 256 + __CS_cs_~k~0 % 256;assume -2147483648 <= __CS_cs_#t~nondet6 && __CS_cs_#t~nondet6 <= 2147483647; [2021-11-03 03:55:16,442 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint L5-21: ~__CS_round~0 := ~__CS_round~0 % 256 + __CS_cs_~k~0 % 256;assume -2147483648 <= __CS_cs_#t~nondet6 && __CS_cs_#t~nondet6 <= 2147483647; [2021-11-03 03:55:16,442 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint L5-22: ~__CS_round~0 := ~__CS_round~0 % 256 + __CS_cs_~k~0 % 256;assume -2147483648 <= __CS_cs_#t~nondet6 && __CS_cs_#t~nondet6 <= 2147483647; [2021-11-03 03:55:16,442 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint L5-36: ~__CS_round~0 := ~__CS_round~0 % 256 + __CS_cs_~k~0 % 256;assume -2147483648 <= __CS_cs_#t~nondet6 && __CS_cs_#t~nondet6 <= 2147483647; [2021-11-03 03:55:16,442 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint L5-37: ~__CS_round~0 := ~__CS_round~0 % 256 + __CS_cs_~k~0 % 256;assume -2147483648 <= __CS_cs_#t~nondet6 && __CS_cs_#t~nondet6 <= 2147483647; [2021-11-03 03:55:16,442 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint L5-38: ~__CS_round~0 := ~__CS_round~0 % 256 + __CS_cs_~k~0 % 256;assume -2147483648 <= __CS_cs_#t~nondet6 && __CS_cs_#t~nondet6 <= 2147483647; [2021-11-03 03:55:16,442 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint L6-8: assume 0 == assume_abort_if_not_~cond;assume false; [2021-11-03 03:55:16,443 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint L6-8: assume !(0 == assume_abort_if_not_~cond); [2021-11-03 03:55:16,443 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint L6-36: assume 0 == assume_abort_if_not_~cond;assume false; [2021-11-03 03:55:16,443 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint L6-36: assume !(0 == assume_abort_if_not_~cond); [2021-11-03 03:55:16,443 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint L6-64: assume 0 == assume_abort_if_not_~cond;assume false; [2021-11-03 03:55:16,443 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint L6-64: assume !(0 == assume_abort_if_not_~cond); [2021-11-03 03:55:16,443 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##61: assume !(0 == assume_abort_if_not_~cond); [2021-11-03 03:55:16,443 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##60: assume 0 == assume_abort_if_not_~cond;assume false; [2021-11-03 03:55:16,443 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##54: assume !(0 == assume_abort_if_not_~cond); [2021-11-03 03:55:16,444 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##53: assume 0 == assume_abort_if_not_~cond;assume false; [2021-11-03 03:55:16,444 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint L562-4: assume 0 != ~__CS_ret~0 % 256;main_thread_#res.base, main_thread_#res.offset := 0, 0;call ULTIMATE.dealloc(main_thread_~#id1~0.base, main_thread_~#id1~0.offset);havoc main_thread_~#id1~0.base, main_thread_~#id1~0.offset;call ULTIMATE.dealloc(main_thread_~#id2~0.base, main_thread_~#id2~0.offset);havoc main_thread_~#id2~0.base, main_thread_~#id2~0.offset; [2021-11-03 03:55:16,444 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint L562-4: assume !(0 != ~__CS_ret~0 % 256); [2021-11-03 03:55:16,444 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint L562-5: assume 0 != ~__CS_ret~0 % 256;main_thread_#res.base, main_thread_#res.offset := 0, 0;call ULTIMATE.dealloc(main_thread_~#id1~0.base, main_thread_~#id1~0.offset);havoc main_thread_~#id1~0.base, main_thread_~#id1~0.offset;call ULTIMATE.dealloc(main_thread_~#id2~0.base, main_thread_~#id2~0.offset);havoc main_thread_~#id2~0.base, main_thread_~#id2~0.offset; [2021-11-03 03:55:16,444 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint L562-5: assume !(0 != ~__CS_ret~0 % 256);havoc __CS_cs_#t~nondet5, __CS_cs_#t~nondet6, __CS_cs_#t~ite7, __CS_cs_~k~0;__CS_cs_~k~0 := __CS_cs_#t~nondet5;havoc __CS_cs_#t~nondet5;assume_abort_if_not_#in~cond := (if ~__CS_round~0 % 256 + __CS_cs_~k~0 % 256 < 6 then 1 else 0);havoc assume_abort_if_not_~cond;assume_abort_if_not_~cond := assume_abort_if_not_#in~cond; [2021-11-03 03:55:16,444 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint L562-6: assume 0 != ~__CS_ret~0 % 256;main_thread_#res.base, main_thread_#res.offset := 0, 0;call ULTIMATE.dealloc(main_thread_~#id1~0.base, main_thread_~#id1~0.offset);havoc main_thread_~#id1~0.base, main_thread_~#id1~0.offset;call ULTIMATE.dealloc(main_thread_~#id2~0.base, main_thread_~#id2~0.offset);havoc main_thread_~#id2~0.base, main_thread_~#id2~0.offset; [2021-11-03 03:55:16,445 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint L562-6: assume !(0 != ~__CS_ret~0 % 256); [2021-11-03 03:55:16,445 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##353: assume 0 == assume_abort_if_not_~cond;assume false; [2021-11-03 03:55:16,446 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##354: assume !(0 == assume_abort_if_not_~cond); [2021-11-03 03:55:16,447 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint L562-20: assume 0 != ~__CS_ret~0 % 256;main_thread_#res.base, main_thread_#res.offset := 0, 0;call ULTIMATE.dealloc(main_thread_~#id1~0.base, main_thread_~#id1~0.offset);havoc main_thread_~#id1~0.base, main_thread_~#id1~0.offset;call ULTIMATE.dealloc(main_thread_~#id2~0.base, main_thread_~#id2~0.offset);havoc main_thread_~#id2~0.base, main_thread_~#id2~0.offset; [2021-11-03 03:55:16,447 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint L562-20: assume !(0 != ~__CS_ret~0 % 256); [2021-11-03 03:55:16,447 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint L562-21: assume 0 != ~__CS_ret~0 % 256;main_thread_#res.base, main_thread_#res.offset := 0, 0;call ULTIMATE.dealloc(main_thread_~#id1~0.base, main_thread_~#id1~0.offset);havoc main_thread_~#id1~0.base, main_thread_~#id1~0.offset;call ULTIMATE.dealloc(main_thread_~#id2~0.base, main_thread_~#id2~0.offset);havoc main_thread_~#id2~0.base, main_thread_~#id2~0.offset; [2021-11-03 03:55:16,447 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint L562-21: assume !(0 != ~__CS_ret~0 % 256);havoc __CS_cs_#t~nondet5, __CS_cs_#t~nondet6, __CS_cs_#t~ite7, __CS_cs_~k~0;__CS_cs_~k~0 := __CS_cs_#t~nondet5;havoc __CS_cs_#t~nondet5;assume_abort_if_not_#in~cond := (if ~__CS_round~0 % 256 + __CS_cs_~k~0 % 256 < 6 then 1 else 0);havoc assume_abort_if_not_~cond;assume_abort_if_not_~cond := assume_abort_if_not_#in~cond; [2021-11-03 03:55:16,447 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint L562-22: assume 0 != ~__CS_ret~0 % 256;main_thread_#res.base, main_thread_#res.offset := 0, 0;call ULTIMATE.dealloc(main_thread_~#id1~0.base, main_thread_~#id1~0.offset);havoc main_thread_~#id1~0.base, main_thread_~#id1~0.offset;call ULTIMATE.dealloc(main_thread_~#id2~0.base, main_thread_~#id2~0.offset);havoc main_thread_~#id2~0.base, main_thread_~#id2~0.offset; [2021-11-03 03:55:16,448 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint L562-22: assume !(0 != ~__CS_ret~0 % 256); [2021-11-03 03:55:16,448 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint L562-36: assume 0 != ~__CS_ret~0 % 256;main_thread_#res.base, main_thread_#res.offset := 0, 0;call ULTIMATE.dealloc(main_thread_~#id1~0.base, main_thread_~#id1~0.offset);havoc main_thread_~#id1~0.base, main_thread_~#id1~0.offset;call ULTIMATE.dealloc(main_thread_~#id2~0.base, main_thread_~#id2~0.offset);havoc main_thread_~#id2~0.base, main_thread_~#id2~0.offset; [2021-11-03 03:55:16,448 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint L562-36: assume !(0 != ~__CS_ret~0 % 256); [2021-11-03 03:55:16,448 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##360: assume 0 == assume_abort_if_not_~cond;assume false; [2021-11-03 03:55:16,448 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint L562-37: assume 0 != ~__CS_ret~0 % 256;main_thread_#res.base, main_thread_#res.offset := 0, 0;call ULTIMATE.dealloc(main_thread_~#id1~0.base, main_thread_~#id1~0.offset);havoc main_thread_~#id1~0.base, main_thread_~#id1~0.offset;call ULTIMATE.dealloc(main_thread_~#id2~0.base, main_thread_~#id2~0.offset);havoc main_thread_~#id2~0.base, main_thread_~#id2~0.offset; [2021-11-03 03:55:16,449 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint L562-37: assume !(0 != ~__CS_ret~0 % 256);havoc __CS_cs_#t~nondet5, __CS_cs_#t~nondet6, __CS_cs_#t~ite7, __CS_cs_~k~0;__CS_cs_~k~0 := __CS_cs_#t~nondet5;havoc __CS_cs_#t~nondet5;assume_abort_if_not_#in~cond := (if ~__CS_round~0 % 256 + __CS_cs_~k~0 % 256 < 6 then 1 else 0);havoc assume_abort_if_not_~cond;assume_abort_if_not_~cond := assume_abort_if_not_#in~cond; [2021-11-03 03:55:16,449 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint L562-38: assume 0 != ~__CS_ret~0 % 256;main_thread_#res.base, main_thread_#res.offset := 0, 0;call ULTIMATE.dealloc(main_thread_~#id1~0.base, main_thread_~#id1~0.offset);havoc main_thread_~#id1~0.base, main_thread_~#id1~0.offset;call ULTIMATE.dealloc(main_thread_~#id2~0.base, main_thread_~#id2~0.offset);havoc main_thread_~#id2~0.base, main_thread_~#id2~0.offset; [2021-11-03 03:55:16,449 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint L562-38: assume !(0 != ~__CS_ret~0 % 256); [2021-11-03 03:55:16,449 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##361: assume !(0 == assume_abort_if_not_~cond); [2021-11-03 03:55:39,034 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-03 03:55:39,034 INFO L299 CfgBuilder]: Removed 322 assume(true) statements. [2021-11-03 03:55:39,037 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.11 03:55:39 BoogieIcfgContainer [2021-11-03 03:55:39,037 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-03 03:55:39,039 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-03 03:55:39,039 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-03 03:55:39,043 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-03 03:55:39,043 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 03.11 03:55:10" (1/3) ... [2021-11-03 03:55:39,044 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@d1f0bcd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.11 03:55:39, skipping insertion in model container [2021-11-03 03:55:39,044 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:55:11" (2/3) ... [2021-11-03 03:55:39,044 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@d1f0bcd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.11 03:55:39, skipping insertion in model container [2021-11-03 03:55:39,045 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.11 03:55:39" (3/3) ... [2021-11-03 03:55:39,046 INFO L111 eAbstractionObserver]: Analyzing ICFG cs_fib-1.i [2021-11-03 03:55:39,051 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-03 03:55:39,051 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-11-03 03:55:39,099 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-03 03:55:39,105 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 [2021-11-03 03:55:39,106 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-11-03 03:55:39,120 INFO L276 IsEmpty]: Start isEmpty. Operand has 47 states, 45 states have (on average 1.6888888888888889) internal successors, (76), 46 states have internal predecessors, (76), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 03:55:39,125 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2021-11-03 03:55:39,126 INFO L505 BasicCegarLoop]: Found error trace [2021-11-03 03:55:39,126 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-03 03:55:39,127 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-03 03:55:39,132 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-03 03:55:39,133 INFO L85 PathProgramCache]: Analyzing trace with hash -1479533590, now seen corresponding path program 1 times [2021-11-03 03:55:39,143 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-03 03:55:39,143 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [279083723] [2021-11-03 03:55:39,144 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-03 03:55:39,145 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-03 03:55:39,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-03 03:55:39,636 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-03 03:55:39,637 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-03 03:55:39,637 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [279083723] [2021-11-03 03:55:39,638 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [279083723] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-03 03:55:39,644 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-03 03:55:39,644 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-03 03:55:39,646 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1113493553] [2021-11-03 03:55:39,651 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-03 03:55:39,652 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-03 03:55:39,671 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-03 03:55:39,672 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-03 03:55:39,674 INFO L87 Difference]: Start difference. First operand has 47 states, 45 states have (on average 1.6888888888888889) internal successors, (76), 46 states have internal predecessors, (76), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 3 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 2 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 03:55:41,782 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-03 03:55:41,782 INFO L93 Difference]: Finished difference Result 93 states and 151 transitions. [2021-11-03 03:55:41,783 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-03 03:55:41,785 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 2 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 10 [2021-11-03 03:55:41,785 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-03 03:55:41,793 INFO L225 Difference]: With dead ends: 93 [2021-11-03 03:55:41,793 INFO L226 Difference]: Without dead ends: 47 [2021-11-03 03:55:41,796 INFO L786 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 [2021-11-03 03:55:41,813 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 47 states. [2021-11-03 03:55:41,828 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 47 to 46. [2021-11-03 03:55:41,830 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 46 states, 45 states have (on average 1.6444444444444444) internal successors, (74), 45 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 03:55:41,831 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 46 states and 74 transitions. [2021-11-03 03:55:41,832 INFO L78 Accepts]: Start accepts. Automaton has 46 states and 74 transitions. Word has length 10 [2021-11-03 03:55:41,833 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-03 03:55:41,833 INFO L470 AbstractCegarLoop]: Abstraction has 46 states and 74 transitions. [2021-11-03 03:55:41,833 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 2 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 03:55:41,833 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 74 transitions. [2021-11-03 03:55:41,834 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-03 03:55:41,835 INFO L505 BasicCegarLoop]: Found error trace [2021-11-03 03:55:41,835 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-03 03:55:41,835 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-03 03:55:41,835 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-03 03:55:41,836 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-03 03:55:41,836 INFO L85 PathProgramCache]: Analyzing trace with hash 61516652, now seen corresponding path program 1 times [2021-11-03 03:55:41,837 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-03 03:55:41,837 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2066043038] [2021-11-03 03:55:41,837 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-03 03:55:41,837 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-03 03:55:41,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-03 03:55:41,909 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-03 03:55:41,910 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-03 03:55:41,910 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2066043038] [2021-11-03 03:55:41,911 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2066043038] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-03 03:55:41,911 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-03 03:55:41,911 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-03 03:55:41,911 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [355045199] [2021-11-03 03:55:41,913 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-03 03:55:41,913 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-03 03:55:41,914 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-03 03:55:41,914 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-03 03:55:41,914 INFO L87 Difference]: Start difference. First operand 46 states and 74 transitions. Second operand has 3 states, 3 states have (on average 4.0) internal successors, (12), 3 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 03:55:41,961 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-03 03:55:41,961 INFO L93 Difference]: Finished difference Result 91 states and 148 transitions. [2021-11-03 03:55:41,961 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-03 03:55:41,962 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 4.0) internal successors, (12), 3 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 12 [2021-11-03 03:55:41,962 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-03 03:55:41,963 INFO L225 Difference]: With dead ends: 91 [2021-11-03 03:55:41,963 INFO L226 Difference]: Without dead ends: 47 [2021-11-03 03:55:41,964 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-03 03:55:41,965 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 47 states. [2021-11-03 03:55:41,969 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 47 to 47. [2021-11-03 03:55:41,970 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 47 states, 46 states have (on average 1.6304347826086956) internal successors, (75), 46 states have internal predecessors, (75), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 03:55:41,971 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 47 states and 75 transitions. [2021-11-03 03:55:41,971 INFO L78 Accepts]: Start accepts. Automaton has 47 states and 75 transitions. Word has length 12 [2021-11-03 03:55:41,971 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-03 03:55:41,972 INFO L470 AbstractCegarLoop]: Abstraction has 47 states and 75 transitions. [2021-11-03 03:55:41,972 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 4.0) internal successors, (12), 3 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 03:55:41,972 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 75 transitions. [2021-11-03 03:55:41,973 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-03 03:55:41,973 INFO L505 BasicCegarLoop]: Found error trace [2021-11-03 03:55:41,973 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-03 03:55:41,973 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-11-03 03:55:41,974 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-03 03:55:41,974 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-03 03:55:41,974 INFO L85 PathProgramCache]: Analyzing trace with hash 873766669, now seen corresponding path program 1 times [2021-11-03 03:55:41,974 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-03 03:55:41,975 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1628411008] [2021-11-03 03:55:41,975 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-03 03:55:41,975 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-03 03:55:42,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-03 03:55:42,077 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-03 03:55:42,077 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-03 03:55:42,077 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1628411008] [2021-11-03 03:55:42,083 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1628411008] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-03 03:55:42,084 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1378489023] [2021-11-03 03:55:42,084 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-03 03:55:42,084 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-03 03:55:42,084 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7aa1670c-4658-4f22-9cb8-4e090173c09a/bin/utaipan-aC7eJsxGYH/z3 [2021-11-03 03:55:42,090 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7aa1670c-4658-4f22-9cb8-4e090173c09a/bin/utaipan-aC7eJsxGYH/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-03 03:55:42,128 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7aa1670c-4658-4f22-9cb8-4e090173c09a/bin/utaipan-aC7eJsxGYH/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-11-03 03:55:42,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-03 03:55:42,487 INFO L263 TraceCheckSpWp]: Trace formula consists of 340 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-03 03:55:42,492 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-03 03:55:42,562 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-03 03:55:42,563 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-03 03:55:42,621 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-03 03:55:42,621 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1378489023] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-03 03:55:42,621 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [2081822538] [2021-11-03 03:55:42,643 INFO L159 IcfgInterpreter]: Started Sifa with 12 locations of interest [2021-11-03 03:55:42,643 INFO L166 IcfgInterpreter]: Building call graph [2021-11-03 03:55:42,647 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2021-11-03 03:55:42,652 INFO L176 IcfgInterpreter]: Starting interpretation [2021-11-03 03:55:42,653 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2021-11-03 03:55:42,717 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:55:42,723 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 03:55:42,725 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:55:42,726 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-11-03 03:55:42,731 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 03:55:42,735 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:55:42,740 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 384 [2021-11-03 03:55:42,742 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 03:55:42,744 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:55:42,745 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 74 [2021-11-03 03:55:42,755 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 03:55:42,756 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:55:42,757 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-11-03 03:55:42,757 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 03:55:42,758 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:55:42,763 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 42 [2021-11-03 03:55:42,763 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 03:55:42,764 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:55:42,768 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-11-03 03:55:42,769 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 03:55:42,770 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:55:42,770 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-11-03 03:55:42,795 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 892 [2021-11-03 03:55:42,881 INFO L446 ElimStorePlain]: Different costs {0=[|v_#length_67|, v_~__CS_thread~0.offset_201, v_~__CS_thread~0.base_201], 351=[|v_#valid_333|]} [2021-11-03 03:55:42,968 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:55:42,979 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:55:42,993 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:55:43,008 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:55:43,025 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:55:43,035 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:55:43,046 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:55:43,058 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:55:43,078 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:55:43,102 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:55:43,138 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:55:43,165 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:55:43,177 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:55:43,190 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:55:43,207 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:55:43,219 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:55:43,235 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:55:43,251 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:55:43,267 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:55:43,290 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:55:43,309 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:55:43,328 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:55:43,348 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:55:43,359 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:55:43,374 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:55:43,390 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:55:43,402 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:55:43,413 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:55:43,435 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:55:43,449 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:55:43,467 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:55:43,488 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:55:43,517 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:55:43,525 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:55:43,534 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:55:43,547 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:55:43,557 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:55:43,581 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:55:43,600 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:55:43,622 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:55:43,638 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:55:43,662 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:55:43,674 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:55:43,689 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:55:43,700 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:55:43,715 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:55:43,731 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:55:43,743 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:55:43,768 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:55:43,789 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:55:43,800 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:55:43,813 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:55:43,827 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:55:43,842 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:55:43,858 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:55:43,878 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:55:43,899 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:55:43,913 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:55:43,925 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:55:43,936 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:55:43,953 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:55:43,967 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:55:43,979 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:55:43,994 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:55:44,005 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:55:44,015 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:55:44,029 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:55:44,045 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:55:44,060 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:55:44,070 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:55:44,079 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:55:44,094 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:55:44,108 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:55:44,119 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:55:44,133 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:55:44,140 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:55:44,152 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:55:44,160 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:55:44,161 INFO L244 Elim1Store]: Index analysis took 1204 ms [2021-11-03 03:55:44,191 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 106 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 42 treesize of output 66 [2021-11-03 03:55:44,192 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:55:44,205 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 66 [2021-11-03 03:55:44,206 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:55:44,207 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 66 [2021-11-03 03:55:44,208 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-03 03:55:44,210 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:55:44,292 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:55:44,347 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 12 treesize of output 16 [2021-11-03 03:55:44,352 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:55:44,352 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-11-03 03:55:44,353 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:55:44,354 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-11-03 03:55:44,354 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-03 03:55:44,355 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:55:44,464 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:55:44,522 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 12 treesize of output 16 [2021-11-03 03:55:44,523 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:55:44,525 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-11-03 03:55:44,526 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:55:44,527 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-11-03 03:55:44,527 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-11-03 03:55:44,527 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:55:44,605 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:55:44,628 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:55:44,632 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:55:44,635 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:55:44,637 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:55:44,640 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:55:44,642 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:55:44,645 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:55:44,661 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:55:44,663 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:55:44,669 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:55:44,673 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:55:44,676 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:55:44,679 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:55:44,682 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:55:44,685 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:55:44,690 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:55:44,692 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:55:44,694 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:55:44,697 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:55:44,699 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:55:44,705 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:55:44,707 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:55:44,710 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:55:44,716 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:55:44,718 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:55:44,720 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:55:44,728 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:55:44,731 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:55:44,733 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:55:44,735 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:55:44,738 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:55:44,740 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:55:44,743 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:55:44,751 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:55:44,754 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:55:44,756 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:55:44,759 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:55:44,773 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:55:44,781 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:55:44,784 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:55:44,787 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:55:44,791 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:55:44,797 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:55:44,799 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:55:44,801 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:55:44,803 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:55:44,806 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:55:44,810 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:55:44,817 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:55:44,820 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:55:44,822 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:55:44,825 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:55:44,827 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:55:44,830 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:55:44,836 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:55:44,838 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:55:44,841 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:55:44,843 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:55:44,845 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:55:44,848 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:55:44,850 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:55:44,852 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:55:44,854 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:55:44,857 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:55:44,861 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:55:44,863 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:55:44,866 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:55:44,870 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:55:44,875 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:55:44,877 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:55:44,880 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:55:44,883 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:55:44,885 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:55:44,888 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:55:44,890 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:55:44,892 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:55:44,895 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:55:44,898 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:55:44,910 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:55:44,913 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:55:44,962 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:55:44,965 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:55:44,968 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:55:44,971 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:55:44,973 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:55:44,976 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:55:44,978 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:55:44,981 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:55:44,983 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:55:44,986 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:55:44,989 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:55:44,992 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:55:44,996 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:55:44,998 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:55:45,001 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:55:45,007 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:55:45,009 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:55:45,012 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:55:45,022 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:55:45,024 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:55:45,027 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:55:45,030 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:55:45,032 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:55:45,035 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:55:45,039 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:55:45,045 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:55:45,047 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:55:45,049 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:55:45,051 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:55:45,054 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:55:45,056 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:55:45,058 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:55:45,061 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:55:45,063 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:55:45,066 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:55:45,068 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:55:45,072 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:55:45,074 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:55:45,076 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:55:45,079 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:55:45,081 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:55:45,090 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:55:45,092 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:55:45,095 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:55:45,097 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:55:45,099 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:55:45,106 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:55:45,110 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:55:45,112 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:55:45,115 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:55:45,117 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:55:45,119 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:55:45,121 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:55:45,123 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:55:45,126 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:55:45,128 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:55:45,137 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:55:45,140 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:55:45,146 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:55:45,148 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:55:45,150 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:55:45,151 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:55:45,156 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:55:45,158 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:55:45,160 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:55:45,162 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:55:45,164 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:55:45,165 INFO L244 Elim1Store]: Index analysis took 209 ms [2021-11-03 03:55:45,449 INFO L354 Elim1Store]: treesize reduction 253, result has 12.5 percent of original size [2021-11-03 03:55:45,450 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 13 select indices, 13 select index equivalence classes, 81 disjoint index pairs (out of 78 index pairs), introduced 13 new quantified variables, introduced 25 case distinctions, treesize of input 155 treesize of output 154 [2021-11-03 03:55:45,455 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:55:45,475 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 115 [2021-11-03 03:55:45,479 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:55:45,481 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 115 [2021-11-03 03:55:45,481 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-11-03 03:55:45,482 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:55:45,552 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:55:45,560 INFO L446 ElimStorePlain]: Different costs {0=[|v_#memory_$Pointer$.base_994|, |v_#memory_$Pointer$.offset_994|], 6=[|v_#memory_int_610|]} [2021-11-03 03:55:45,596 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 7 treesize of output 6 [2021-11-03 03:55:45,596 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:55:45,597 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-11-03 03:55:45,597 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:55:45,598 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-11-03 03:55:45,598 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-11-03 03:55:45,598 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:55:45,697 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:55:45,731 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 7 treesize of output 6 [2021-11-03 03:55:45,732 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:55:45,732 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-11-03 03:55:45,733 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:55:45,733 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-11-03 03:55:45,734 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-11-03 03:55:45,734 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:55:45,812 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:55:45,854 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:55:45,856 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:55:45,857 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:55:45,861 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:55:45,863 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:55:45,871 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 11 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 74 treesize of output 72 [2021-11-03 03:55:45,872 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:55:45,878 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 73 [2021-11-03 03:55:45,879 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:55:45,880 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 73 [2021-11-03 03:55:45,880 INFO L550 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2021-11-03 03:55:45,882 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:55:45,951 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:55:45,972 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:55:45,993 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 640 [2021-11-03 03:55:45,995 INFO L550 ElimStorePlain]: Start of recursive call 1: 4 dim-1 vars, 3 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-11-03 03:55:45,996 INFO L247 ElimStorePlain]: Needed 8 recursive calls to eliminate 7 variables, input treesize:883, output treesize:640 [2021-11-03 03:55:46,028 INFO L180 QuantifierPusher]: treesize reduction 3, result has 99.6 percent of original size [2021-11-03 03:55:46,032 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 03:55:46,033 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:55:46,034 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 03:55:46,035 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:55:46,035 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-11-03 03:55:46,036 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-11-03 03:55:46,036 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 03:55:46,037 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:55:46,037 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 03:55:46,038 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:55:46,038 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-11-03 03:55:46,039 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 48 [2021-11-03 03:55:46,039 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 03:55:46,040 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:55:46,040 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 53 [2021-11-03 03:55:46,041 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 03:55:46,042 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:55:46,042 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 03:55:46,043 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:55:46,043 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-11-03 03:55:46,044 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-11-03 03:55:46,044 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 03:55:46,045 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:55:46,045 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 03:55:46,046 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:55:46,046 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-11-03 03:55:46,047 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 48 [2021-11-03 03:55:46,047 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 03:55:46,048 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:55:46,048 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 53 [2021-11-03 03:55:46,057 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 03:55:46,058 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:55:46,059 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 03:55:46,060 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:55:46,061 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 48 [2021-11-03 03:55:46,061 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-11-03 03:55:46,062 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 03:55:46,063 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:55:46,064 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 03:55:46,065 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:55:46,065 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 48 [2021-11-03 03:55:46,066 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-11-03 03:55:46,066 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 03:55:46,068 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:55:46,070 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 03:55:46,072 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:55:46,090 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 268 [2021-11-03 03:55:46,092 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 269 [2021-11-03 03:55:46,093 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 03:55:46,095 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:55:46,097 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 284 [2021-11-03 03:55:46,119 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 796 [2021-11-03 03:55:46,132 INFO L446 ElimStorePlain]: Different costs {2=[|v_#memory_$Pointer$.offset_6|, |v_#memory_$Pointer$.base_6|], 3=[|v_#memory_$Pointer$.offset_995|, |v_#memory_$Pointer$.base_995|], 36=[|v_#memory_int_611|]} [2021-11-03 03:55:46,161 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:55:46,162 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-11-03 03:55:46,163 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:55:46,163 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 03:55:46,164 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:55:46,164 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-11-03 03:55:46,165 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 48 [2021-11-03 03:55:46,165 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:55:46,166 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 03:55:46,166 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:55:46,167 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-11-03 03:55:46,167 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 48 [2021-11-03 03:55:46,167 INFO L550 ElimStorePlain]: Start of recursive call 2: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-11-03 03:55:46,168 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:55:46,244 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:55:46,264 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:55:46,265 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-11-03 03:55:46,266 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:55:46,266 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 03:55:46,267 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:55:46,267 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-11-03 03:55:46,268 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 48 [2021-11-03 03:55:46,268 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:55:46,269 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 03:55:46,269 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:55:46,270 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-11-03 03:55:46,270 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 48 [2021-11-03 03:55:46,271 INFO L550 ElimStorePlain]: Start of recursive call 3: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-11-03 03:55:46,271 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:55:46,343 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:55:46,402 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:55:46,403 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 8 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 54 treesize of output 45 [2021-11-03 03:55:46,404 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:55:46,405 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 03:55:46,406 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:55:46,406 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 03:55:46,407 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:55:46,407 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-11-03 03:55:46,408 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-11-03 03:55:46,408 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 03:55:46,408 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:55:46,409 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 42 [2021-11-03 03:55:46,410 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-11-03 03:55:46,474 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 12 treesize of output 11 [2021-11-03 03:55:46,475 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:55:46,475 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-11-03 03:55:46,476 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:55:46,476 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-11-03 03:55:46,476 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-11-03 03:55:46,478 FATAL L? ?]: Ignoring exception! java.lang.UnsupportedOperationException: SIMPLIFY_QUICK does not support simplification with respect to context at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.SmtUtils.simplify(SmtUtils.java:157) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.SmtUtils.simplifyWithStatistics(SmtUtils.java:239) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.ElimStorePlain.eliminateOne(ElimStorePlain.java:625) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.ElimStorePlain.doElimAllRec(ElimStorePlain.java:520) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.ElimStorePlain.doElimOneRec(ElimStorePlain.java:301) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.ElimStorePlain.eliminateOne(ElimStorePlain.java:607) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.ElimStorePlain.doElimAllRec(ElimStorePlain.java:520) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.ElimStorePlain.startRecursiveElimination(ElimStorePlain.java:242) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.PartialQuantifierElimination.elim(PartialQuantifierElimination.java:402) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.PartialQuantifierElimination.quantifier(PartialQuantifierElimination.java:228) at de.uni_freiburg.informatik.ultimate.lib.sifa.SymbolicTools$EliminatingTermDomainOperationProvider.newQuantifier(SymbolicTools.java:279) at de.uni_freiburg.informatik.ultimate.lib.sifa.SymbolicTools$EliminatingTermDomainOperationProvider.projectExistentially(SymbolicTools.java:267) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.TermDomainOperationProvider.projectExistentially(TermDomainOperationProvider.java:1) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateTransformer.strongestPostcondition(PredicateTransformer.java:131) at de.uni_freiburg.informatik.ultimate.lib.sifa.SymbolicTools.post(SymbolicTools.java:116) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.ipretInternal(DagInterpreter.java:227) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.ipretTransAndStoreLoiPred(DagInterpreter.java:209) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.ipretTrans(DagInterpreter.java:187) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.ipretNode(DagInterpreter.java:165) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.interpret(DagInterpreter.java:123) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.interpretForSingleMarker(DagInterpreter.java:97) at de.uni_freiburg.informatik.ultimate.lib.sifa.summarizers.FixpointLoopSummarizer.summarizeInternal(FixpointLoopSummarizer.java:125) at de.uni_freiburg.informatik.ultimate.lib.sifa.summarizers.FixpointLoopSummarizer.summarize(FixpointLoopSummarizer.java:98) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.ipretLoop(DagInterpreter.java:177) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.ipretNode(DagInterpreter.java:168) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.interpret(DagInterpreter.java:123) at de.uni_freiburg.informatik.ultimate.lib.sifa.IcfgInterpreter.interpretLoisInProcedure(IcfgInterpreter.java:136) at de.uni_freiburg.informatik.ultimate.lib.sifa.IcfgInterpreter.interpret(IcfgInterpreter.java:127) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.SifaRunner.(SifaRunner.java:102) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleSifa.construct(IpTcStrategyModuleSifa.java:67) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getOrConstruct(IpTcStrategyModuleBase.java:100) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getInterpolantComputationStatus(IpTcStrategyModuleBase.java:76) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.tryExecuteInterpolantGenerator(AutomatonFreeRefinementEngine.java:268) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.generateProof(AutomatonFreeRefinementEngine.java:150) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.executeStrategy(AutomatonFreeRefinementEngine.java:140) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.(AutomatonFreeRefinementEngine.java:88) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.(TraceAbstractionRefinementEngine.java:76) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.isCounterexampleFeasible(BasicCegarLoop.java:609) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:413) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.startCegar(AbstractCegarLoop.java:348) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.runCegar(AbstractCegarLoop.java:330) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.CegarLoopUtils.getCegarLoopResult(CegarLoopUtils.java:56) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.executeCegarLoop(TraceAbstractionStarter.java:393) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseProgram(TraceAbstractionStarter.java:303) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseSequentialProgram(TraceAbstractionStarter.java:263) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:176) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:155) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:123) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2021-11-03 03:55:46,479 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2021-11-03 03:55:46,479 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 6 [2021-11-03 03:55:46,479 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1114465086] [2021-11-03 03:55:46,480 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-03 03:55:46,480 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-03 03:55:46,480 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-03 03:55:46,480 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2021-11-03 03:55:46,481 INFO L87 Difference]: Start difference. First operand 47 states and 75 transitions. Second operand has 6 states, 6 states have (on average 3.0) internal successors, (18), 6 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 03:55:46,560 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-03 03:55:46,560 INFO L93 Difference]: Finished difference Result 94 states and 152 transitions. [2021-11-03 03:55:46,560 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-03 03:55:46,560 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 3.0) internal successors, (18), 6 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 13 [2021-11-03 03:55:46,561 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-03 03:55:46,561 INFO L225 Difference]: With dead ends: 94 [2021-11-03 03:55:46,562 INFO L226 Difference]: Without dead ends: 49 [2021-11-03 03:55:46,562 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 23 SyntacticMatches, 1 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2021-11-03 03:55:46,563 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 49 states. [2021-11-03 03:55:46,567 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 49 to 49. [2021-11-03 03:55:46,567 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 49 states, 48 states have (on average 1.6041666666666667) internal successors, (77), 48 states have internal predecessors, (77), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 03:55:46,568 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 49 states and 77 transitions. [2021-11-03 03:55:46,569 INFO L78 Accepts]: Start accepts. Automaton has 49 states and 77 transitions. Word has length 13 [2021-11-03 03:55:46,569 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-03 03:55:46,569 INFO L470 AbstractCegarLoop]: Abstraction has 49 states and 77 transitions. [2021-11-03 03:55:46,569 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 3.0) internal successors, (18), 6 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 03:55:46,569 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 77 transitions. [2021-11-03 03:55:46,570 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-03 03:55:46,570 INFO L505 BasicCegarLoop]: Found error trace [2021-11-03 03:55:46,570 INFO L513 BasicCegarLoop]: trace histogram [3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-03 03:55:46,609 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7aa1670c-4658-4f22-9cb8-4e090173c09a/bin/utaipan-aC7eJsxGYH/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2021-11-03 03:55:46,785 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7aa1670c-4658-4f22-9cb8-4e090173c09a/bin/utaipan-aC7eJsxGYH/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-03 03:55:46,785 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-03 03:55:46,786 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-03 03:55:46,786 INFO L85 PathProgramCache]: Analyzing trace with hash -828068115, now seen corresponding path program 2 times [2021-11-03 03:55:46,786 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-03 03:55:46,786 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [780480967] [2021-11-03 03:55:46,786 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-03 03:55:46,787 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-03 03:55:46,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-03 03:55:46,902 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-11-03 03:55:46,902 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-03 03:55:46,902 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [780480967] [2021-11-03 03:55:46,902 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [780480967] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-03 03:55:46,903 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [532939721] [2021-11-03 03:55:46,903 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2021-11-03 03:55:46,903 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-03 03:55:46,903 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7aa1670c-4658-4f22-9cb8-4e090173c09a/bin/utaipan-aC7eJsxGYH/z3 [2021-11-03 03:55:46,904 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7aa1670c-4658-4f22-9cb8-4e090173c09a/bin/utaipan-aC7eJsxGYH/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-03 03:55:46,917 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7aa1670c-4658-4f22-9cb8-4e090173c09a/bin/utaipan-aC7eJsxGYH/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2021-11-03 03:55:48,339 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 1 check-sat command(s) [2021-11-03 03:55:48,339 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-11-03 03:55:48,343 INFO L263 TraceCheckSpWp]: Trace formula consists of 317 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-03 03:55:48,346 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-03 03:55:48,432 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2021-11-03 03:55:48,433 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-03 03:55:48,528 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2021-11-03 03:55:48,529 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [532939721] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-03 03:55:48,529 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 1 imperfect interpolant sequences. [2021-11-03 03:55:48,529 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [3] total 6 [2021-11-03 03:55:48,529 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1065440862] [2021-11-03 03:55:48,529 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-03 03:55:48,530 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-03 03:55:48,530 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-03 03:55:48,530 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2021-11-03 03:55:48,530 INFO L87 Difference]: Start difference. First operand 49 states and 77 transitions. Second operand has 5 states, 5 states have (on average 4.8) internal successors, (24), 4 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 03:55:57,159 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-03 03:55:57,159 INFO L93 Difference]: Finished difference Result 80 states and 125 transitions. [2021-11-03 03:55:57,159 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-03 03:55:57,159 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 4.8) internal successors, (24), 4 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 15 [2021-11-03 03:55:57,160 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-03 03:55:57,162 INFO L225 Difference]: With dead ends: 80 [2021-11-03 03:55:57,162 INFO L226 Difference]: Without dead ends: 66 [2021-11-03 03:55:57,162 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 25 SyntacticMatches, 1 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2021-11-03 03:55:57,163 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 66 states. [2021-11-03 03:55:57,169 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 66 to 66. [2021-11-03 03:55:57,170 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 66 states, 65 states have (on average 1.5846153846153845) internal successors, (103), 65 states have internal predecessors, (103), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 03:55:57,172 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 66 states and 103 transitions. [2021-11-03 03:55:57,172 INFO L78 Accepts]: Start accepts. Automaton has 66 states and 103 transitions. Word has length 15 [2021-11-03 03:55:57,172 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-03 03:55:57,172 INFO L470 AbstractCegarLoop]: Abstraction has 66 states and 103 transitions. [2021-11-03 03:55:57,173 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 4.8) internal successors, (24), 4 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 03:55:57,173 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 103 transitions. [2021-11-03 03:55:57,174 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-03 03:55:57,174 INFO L505 BasicCegarLoop]: Found error trace [2021-11-03 03:55:57,174 INFO L513 BasicCegarLoop]: trace histogram [3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-03 03:55:57,201 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7aa1670c-4658-4f22-9cb8-4e090173c09a/bin/utaipan-aC7eJsxGYH/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2021-11-03 03:55:57,385 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7aa1670c-4658-4f22-9cb8-4e090173c09a/bin/utaipan-aC7eJsxGYH/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-03 03:55:57,385 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-03 03:55:57,386 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-03 03:55:57,386 INFO L85 PathProgramCache]: Analyzing trace with hash -93430106, now seen corresponding path program 1 times [2021-11-03 03:55:57,386 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-03 03:55:57,387 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1725244833] [2021-11-03 03:55:57,387 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-03 03:55:57,387 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-03 03:55:57,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-03 03:55:57,546 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-11-03 03:55:57,547 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-03 03:55:57,547 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1725244833] [2021-11-03 03:55:57,547 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1725244833] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-03 03:55:57,547 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1840655818] [2021-11-03 03:55:57,547 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-03 03:55:57,549 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-03 03:55:57,550 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7aa1670c-4658-4f22-9cb8-4e090173c09a/bin/utaipan-aC7eJsxGYH/z3 [2021-11-03 03:55:57,550 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7aa1670c-4658-4f22-9cb8-4e090173c09a/bin/utaipan-aC7eJsxGYH/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-03 03:55:57,568 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7aa1670c-4658-4f22-9cb8-4e090173c09a/bin/utaipan-aC7eJsxGYH/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2021-11-03 03:55:57,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-03 03:55:57,900 INFO L263 TraceCheckSpWp]: Trace formula consists of 414 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-03 03:55:57,903 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-03 03:55:57,968 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-11-03 03:55:57,969 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-03 03:55:58,047 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-11-03 03:55:58,047 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1840655818] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-03 03:55:58,047 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1981197490] [2021-11-03 03:55:58,051 INFO L159 IcfgInterpreter]: Started Sifa with 14 locations of interest [2021-11-03 03:55:58,053 INFO L166 IcfgInterpreter]: Building call graph [2021-11-03 03:55:58,053 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2021-11-03 03:55:58,053 INFO L176 IcfgInterpreter]: Starting interpretation [2021-11-03 03:55:58,054 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2021-11-03 03:55:58,093 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:55:58,095 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 03:55:58,095 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:55:58,096 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-11-03 03:55:58,096 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 03:55:58,097 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:55:58,098 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-11-03 03:55:58,098 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 03:55:58,099 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:55:58,099 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 42 [2021-11-03 03:55:58,100 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 03:55:58,101 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:55:58,102 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 74 [2021-11-03 03:55:58,102 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 03:55:58,102 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:55:58,103 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-11-03 03:55:58,105 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 03:55:58,106 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:55:58,107 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 384 [2021-11-03 03:55:58,107 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 03:55:58,108 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:55:58,108 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-11-03 03:55:58,130 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 892 [2021-11-03 03:55:58,146 INFO L446 ElimStorePlain]: Different costs {0=[v_~__CS_thread~0.base_205, |v_#length_69|, v_~__CS_thread~0.offset_205], 351=[|v_#valid_335|]} [2021-11-03 03:55:58,187 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 12 treesize of output 16 [2021-11-03 03:55:58,188 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:55:58,188 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-11-03 03:55:58,189 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:55:58,189 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-11-03 03:55:58,190 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-03 03:55:58,191 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:55:58,263 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:55:58,315 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:55:58,325 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:55:58,335 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:55:58,347 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:55:58,367 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:55:58,378 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:55:58,387 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:55:58,397 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:55:58,412 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:55:58,427 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:55:58,464 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:55:58,489 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:55:58,498 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:55:58,506 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:55:58,519 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:55:58,532 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:55:58,542 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:55:58,553 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:55:58,565 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:55:58,577 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:55:58,600 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:55:58,615 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:55:58,634 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:55:58,645 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:55:58,660 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:55:58,667 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:55:58,676 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:55:58,684 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:55:58,695 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:55:58,705 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:55:58,722 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:55:58,741 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:55:58,757 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:55:58,771 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:55:58,781 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:55:58,792 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:55:58,801 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:55:58,814 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:55:58,827 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:55:58,840 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:55:58,855 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:55:58,868 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:55:58,875 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:55:58,885 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:55:58,897 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:55:58,908 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:55:58,923 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:55:58,935 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:55:58,948 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:55:58,959 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:55:58,966 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:55:58,974 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:55:58,980 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:55:58,990 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:55:58,998 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:55:59,013 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:55:59,021 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:55:59,032 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:55:59,044 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:55:59,051 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:55:59,060 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:55:59,072 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:55:59,079 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:55:59,091 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:55:59,099 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:55:59,106 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:55:59,115 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:55:59,124 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:55:59,132 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:55:59,140 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:55:59,151 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:55:59,159 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:55:59,167 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:55:59,176 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:55:59,185 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:55:59,192 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:55:59,201 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:55:59,208 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:55:59,209 INFO L244 Elim1Store]: Index analysis took 902 ms [2021-11-03 03:55:59,213 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 106 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 42 treesize of output 66 [2021-11-03 03:55:59,214 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:55:59,215 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 66 [2021-11-03 03:55:59,216 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:55:59,216 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 66 [2021-11-03 03:55:59,217 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-03 03:55:59,217 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:55:59,275 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:55:59,323 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 12 treesize of output 16 [2021-11-03 03:55:59,324 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:55:59,324 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-11-03 03:55:59,325 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:55:59,325 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-11-03 03:55:59,326 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-11-03 03:55:59,326 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:55:59,384 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:55:59,407 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:55:59,411 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:55:59,413 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:55:59,422 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:55:59,425 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:55:59,428 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:55:59,430 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:55:59,433 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:55:59,438 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:55:59,441 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:55:59,443 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:55:59,447 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:55:59,450 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:55:59,453 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:55:59,455 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:55:59,457 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:55:59,459 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:55:59,461 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:55:59,465 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:55:59,469 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:55:59,471 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:55:59,474 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:55:59,477 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:55:59,479 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:55:59,481 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:55:59,483 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:55:59,486 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:55:59,491 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:55:59,493 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:55:59,495 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:55:59,499 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:55:59,501 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:55:59,503 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:55:59,507 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:55:59,516 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:55:59,519 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:55:59,523 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:55:59,526 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:55:59,529 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:55:59,536 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:55:59,540 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:55:59,554 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:55:59,557 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:55:59,562 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:55:59,565 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:55:59,567 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:55:59,570 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:55:59,574 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:55:59,576 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:55:59,578 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:55:59,589 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:55:59,591 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:55:59,594 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:55:59,596 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:55:59,598 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:55:59,600 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:55:59,602 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:55:59,604 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:55:59,609 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:55:59,611 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:55:59,613 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:55:59,615 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:55:59,617 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:55:59,619 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:55:59,621 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:55:59,623 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:55:59,625 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:55:59,628 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:55:59,630 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:55:59,632 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:55:59,635 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:55:59,637 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:55:59,640 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:55:59,642 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:55:59,645 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:55:59,647 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:55:59,649 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:55:59,650 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:55:59,652 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:55:59,654 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:55:59,687 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:55:59,693 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:55:59,700 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:55:59,703 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:55:59,705 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:55:59,707 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:55:59,708 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:55:59,710 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:55:59,711 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:55:59,713 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:55:59,716 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:55:59,719 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:55:59,722 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:55:59,724 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:55:59,725 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:55:59,729 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:55:59,732 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:55:59,735 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:55:59,742 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:55:59,744 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:55:59,746 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:55:59,747 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:55:59,763 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:55:59,768 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:55:59,771 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:55:59,773 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:55:59,776 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:55:59,778 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:55:59,782 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:55:59,786 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:55:59,789 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:55:59,793 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:55:59,795 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:55:59,797 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:55:59,800 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:55:59,802 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:55:59,808 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:55:59,810 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:55:59,813 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:55:59,815 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:55:59,817 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:55:59,826 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:55:59,828 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:55:59,830 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:55:59,834 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:55:59,836 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:55:59,847 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:55:59,849 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:55:59,851 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:55:59,854 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:55:59,858 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:55:59,861 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:55:59,864 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:55:59,866 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:55:59,868 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:55:59,870 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:55:59,873 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:55:59,874 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:55:59,876 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:55:59,878 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:55:59,880 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:55:59,883 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:55:59,894 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:55:59,896 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:55:59,899 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:55:59,901 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:55:59,904 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:55:59,905 INFO L244 Elim1Store]: Index analysis took 221 ms [2021-11-03 03:56:00,209 INFO L354 Elim1Store]: treesize reduction 253, result has 12.5 percent of original size [2021-11-03 03:56:00,210 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 13 select indices, 13 select index equivalence classes, 81 disjoint index pairs (out of 78 index pairs), introduced 13 new quantified variables, introduced 25 case distinctions, treesize of input 155 treesize of output 154 [2021-11-03 03:56:00,217 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:56:00,233 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 115 [2021-11-03 03:56:00,235 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:56:00,237 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 115 [2021-11-03 03:56:00,237 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-11-03 03:56:00,238 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:56:00,307 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:56:00,313 INFO L446 ElimStorePlain]: Different costs {0=[|v_#memory_$Pointer$.base_1008|, |v_#memory_$Pointer$.offset_1008|], 6=[|v_#memory_int_624|]} [2021-11-03 03:56:00,373 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 7 treesize of output 6 [2021-11-03 03:56:00,374 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:56:00,374 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-11-03 03:56:00,374 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:56:00,375 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-11-03 03:56:00,375 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-11-03 03:56:00,376 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:56:00,435 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:56:00,472 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 7 treesize of output 6 [2021-11-03 03:56:00,475 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:56:00,476 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-11-03 03:56:00,476 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:56:00,477 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-11-03 03:56:00,477 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-11-03 03:56:00,477 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:56:00,548 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:56:00,585 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:56:00,587 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:56:00,588 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:56:00,592 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:56:00,594 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:56:00,603 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 11 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 74 treesize of output 72 [2021-11-03 03:56:00,604 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:56:00,606 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 73 [2021-11-03 03:56:00,607 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:56:00,608 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 73 [2021-11-03 03:56:00,608 INFO L550 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2021-11-03 03:56:00,609 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:56:00,719 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:56:00,745 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:56:00,771 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 640 [2021-11-03 03:56:00,773 INFO L550 ElimStorePlain]: Start of recursive call 1: 4 dim-1 vars, 3 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-11-03 03:56:00,774 INFO L247 ElimStorePlain]: Needed 8 recursive calls to eliminate 7 variables, input treesize:883, output treesize:640 [2021-11-03 03:56:00,832 INFO L180 QuantifierPusher]: treesize reduction 3, result has 99.6 percent of original size [2021-11-03 03:56:00,836 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 03:56:00,837 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:56:00,837 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 03:56:00,837 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:56:00,838 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-11-03 03:56:00,838 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-11-03 03:56:00,839 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 03:56:00,839 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:56:00,841 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 03:56:00,842 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:56:00,842 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-11-03 03:56:00,843 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 48 [2021-11-03 03:56:00,843 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 03:56:00,843 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:56:00,844 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 53 [2021-11-03 03:56:00,858 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 03:56:00,859 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:56:00,860 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 03:56:00,861 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:56:00,861 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 48 [2021-11-03 03:56:00,862 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-11-03 03:56:00,863 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 03:56:00,863 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:56:00,865 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 03:56:00,866 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:56:00,866 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 48 [2021-11-03 03:56:00,867 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-11-03 03:56:00,867 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 03:56:00,868 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:56:00,871 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 03:56:00,873 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:56:00,874 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 268 [2021-11-03 03:56:00,876 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 269 [2021-11-03 03:56:00,877 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 03:56:00,878 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:56:00,881 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 284 [2021-11-03 03:56:00,883 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 03:56:00,884 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:56:00,884 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 03:56:00,885 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:56:00,885 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-11-03 03:56:00,886 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-11-03 03:56:00,886 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 03:56:00,886 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:56:00,887 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 03:56:00,887 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:56:00,888 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-11-03 03:56:00,890 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 48 [2021-11-03 03:56:00,890 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 03:56:00,891 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:56:00,891 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 53 [2021-11-03 03:56:00,916 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 796 [2021-11-03 03:56:00,927 INFO L446 ElimStorePlain]: Different costs {2=[|v_#memory_$Pointer$.offset_6|, |v_#memory_$Pointer$.base_6|], 3=[|v_#memory_$Pointer$.offset_1009|, |v_#memory_$Pointer$.base_1009|], 36=[|v_#memory_int_625|]} [2021-11-03 03:56:00,949 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:56:00,950 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-11-03 03:56:00,951 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:56:00,951 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 03:56:00,951 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:56:00,952 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-11-03 03:56:00,952 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 48 [2021-11-03 03:56:00,953 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:56:00,953 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 03:56:00,954 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:56:00,954 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-11-03 03:56:00,954 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 48 [2021-11-03 03:56:00,955 INFO L550 ElimStorePlain]: Start of recursive call 2: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-11-03 03:56:00,955 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:56:01,031 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:56:01,052 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:56:01,054 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-11-03 03:56:01,055 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:56:01,055 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 03:56:01,056 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:56:01,056 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-11-03 03:56:01,061 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 48 [2021-11-03 03:56:01,061 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:56:01,062 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 03:56:01,062 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:56:01,063 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-11-03 03:56:01,063 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 48 [2021-11-03 03:56:01,064 INFO L550 ElimStorePlain]: Start of recursive call 3: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-11-03 03:56:01,064 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:56:01,133 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:56:01,190 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:56:01,192 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 8 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 54 treesize of output 45 [2021-11-03 03:56:01,193 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:56:01,195 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 03:56:01,197 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:56:01,197 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 03:56:01,198 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:56:01,198 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-11-03 03:56:01,198 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-11-03 03:56:01,199 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 03:56:01,199 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:56:01,200 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 42 [2021-11-03 03:56:01,200 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-11-03 03:56:01,292 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 12 treesize of output 11 [2021-11-03 03:56:01,293 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:56:01,293 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-11-03 03:56:01,294 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:56:01,294 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-11-03 03:56:01,294 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-11-03 03:56:01,294 FATAL L? ?]: Ignoring exception! java.lang.UnsupportedOperationException: SIMPLIFY_QUICK does not support simplification with respect to context at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.SmtUtils.simplify(SmtUtils.java:157) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.SmtUtils.simplifyWithStatistics(SmtUtils.java:239) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.ElimStorePlain.eliminateOne(ElimStorePlain.java:625) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.ElimStorePlain.doElimAllRec(ElimStorePlain.java:520) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.ElimStorePlain.doElimOneRec(ElimStorePlain.java:301) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.ElimStorePlain.eliminateOne(ElimStorePlain.java:607) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.ElimStorePlain.doElimAllRec(ElimStorePlain.java:520) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.ElimStorePlain.startRecursiveElimination(ElimStorePlain.java:242) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.PartialQuantifierElimination.elim(PartialQuantifierElimination.java:402) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.PartialQuantifierElimination.quantifier(PartialQuantifierElimination.java:228) at de.uni_freiburg.informatik.ultimate.lib.sifa.SymbolicTools$EliminatingTermDomainOperationProvider.newQuantifier(SymbolicTools.java:279) at de.uni_freiburg.informatik.ultimate.lib.sifa.SymbolicTools$EliminatingTermDomainOperationProvider.projectExistentially(SymbolicTools.java:267) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.TermDomainOperationProvider.projectExistentially(TermDomainOperationProvider.java:1) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateTransformer.strongestPostcondition(PredicateTransformer.java:131) at de.uni_freiburg.informatik.ultimate.lib.sifa.SymbolicTools.post(SymbolicTools.java:116) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.ipretInternal(DagInterpreter.java:227) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.ipretTransAndStoreLoiPred(DagInterpreter.java:209) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.ipretTrans(DagInterpreter.java:187) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.ipretNode(DagInterpreter.java:165) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.interpret(DagInterpreter.java:123) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.interpretForSingleMarker(DagInterpreter.java:97) at de.uni_freiburg.informatik.ultimate.lib.sifa.summarizers.FixpointLoopSummarizer.summarizeInternal(FixpointLoopSummarizer.java:125) at de.uni_freiburg.informatik.ultimate.lib.sifa.summarizers.FixpointLoopSummarizer.summarize(FixpointLoopSummarizer.java:98) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.ipretLoop(DagInterpreter.java:177) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.ipretNode(DagInterpreter.java:168) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.interpret(DagInterpreter.java:123) at de.uni_freiburg.informatik.ultimate.lib.sifa.IcfgInterpreter.interpretLoisInProcedure(IcfgInterpreter.java:136) at de.uni_freiburg.informatik.ultimate.lib.sifa.IcfgInterpreter.interpret(IcfgInterpreter.java:127) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.SifaRunner.(SifaRunner.java:102) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleSifa.construct(IpTcStrategyModuleSifa.java:67) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getOrConstruct(IpTcStrategyModuleBase.java:100) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getInterpolantComputationStatus(IpTcStrategyModuleBase.java:76) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.tryExecuteInterpolantGenerator(AutomatonFreeRefinementEngine.java:268) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.generateProof(AutomatonFreeRefinementEngine.java:150) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.executeStrategy(AutomatonFreeRefinementEngine.java:140) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.(AutomatonFreeRefinementEngine.java:88) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.(TraceAbstractionRefinementEngine.java:76) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.isCounterexampleFeasible(BasicCegarLoop.java:609) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:413) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.startCegar(AbstractCegarLoop.java:348) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.runCegar(AbstractCegarLoop.java:330) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.CegarLoopUtils.getCegarLoopResult(CegarLoopUtils.java:56) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.executeCegarLoop(TraceAbstractionStarter.java:393) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseProgram(TraceAbstractionStarter.java:303) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseSequentialProgram(TraceAbstractionStarter.java:263) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:176) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:155) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:123) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2021-11-03 03:56:01,295 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2021-11-03 03:56:01,295 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3, 3] total 6 [2021-11-03 03:56:01,295 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1740123098] [2021-11-03 03:56:01,296 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-11-03 03:56:01,296 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-03 03:56:01,296 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-11-03 03:56:01,296 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2021-11-03 03:56:01,297 INFO L87 Difference]: Start difference. First operand 66 states and 103 transitions. Second operand has 7 states, 7 states have (on average 3.4285714285714284) internal successors, (24), 6 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 03:56:03,442 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-03 03:56:03,443 INFO L93 Difference]: Finished difference Result 140 states and 218 transitions. [2021-11-03 03:56:03,443 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-03 03:56:03,443 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 3.4285714285714284) internal successors, (24), 6 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 17 [2021-11-03 03:56:03,444 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-03 03:56:03,444 INFO L225 Difference]: With dead ends: 140 [2021-11-03 03:56:03,445 INFO L226 Difference]: Without dead ends: 81 [2021-11-03 03:56:03,445 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2021-11-03 03:56:03,445 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 81 states. [2021-11-03 03:56:03,452 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 81 to 81. [2021-11-03 03:56:03,453 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 81 states, 80 states have (on average 1.5125) internal successors, (121), 80 states have internal predecessors, (121), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 03:56:03,454 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 81 states and 121 transitions. [2021-11-03 03:56:03,455 INFO L78 Accepts]: Start accepts. Automaton has 81 states and 121 transitions. Word has length 17 [2021-11-03 03:56:03,455 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-03 03:56:03,455 INFO L470 AbstractCegarLoop]: Abstraction has 81 states and 121 transitions. [2021-11-03 03:56:03,455 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 3.4285714285714284) internal successors, (24), 6 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 03:56:03,455 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 121 transitions. [2021-11-03 03:56:03,457 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2021-11-03 03:56:03,457 INFO L505 BasicCegarLoop]: Found error trace [2021-11-03 03:56:03,457 INFO L513 BasicCegarLoop]: trace histogram [12, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-03 03:56:03,490 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7aa1670c-4658-4f22-9cb8-4e090173c09a/bin/utaipan-aC7eJsxGYH/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2021-11-03 03:56:03,681 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7aa1670c-4658-4f22-9cb8-4e090173c09a/bin/utaipan-aC7eJsxGYH/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-03 03:56:03,681 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-03 03:56:03,682 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-03 03:56:03,682 INFO L85 PathProgramCache]: Analyzing trace with hash 1087671331, now seen corresponding path program 2 times [2021-11-03 03:56:03,682 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-03 03:56:03,682 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1461937921] [2021-11-03 03:56:03,682 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-03 03:56:03,682 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-03 03:56:03,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-03 03:56:03,994 INFO L134 CoverageAnalysis]: Checked inductivity of 130 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 130 trivial. 0 not checked. [2021-11-03 03:56:03,995 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-03 03:56:03,995 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1461937921] [2021-11-03 03:56:03,995 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1461937921] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-03 03:56:03,995 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-03 03:56:03,996 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-03 03:56:03,996 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [474375591] [2021-11-03 03:56:03,996 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-03 03:56:03,997 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-03 03:56:03,997 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-03 03:56:03,997 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-03 03:56:03,998 INFO L87 Difference]: Start difference. First operand 81 states and 121 transitions. Second operand has 4 states, 4 states have (on average 3.75) internal successors, (15), 3 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 03:56:12,733 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-03 03:56:12,733 INFO L93 Difference]: Finished difference Result 86 states and 125 transitions. [2021-11-03 03:56:12,734 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-03 03:56:12,734 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 3.75) internal successors, (15), 3 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 32 [2021-11-03 03:56:12,734 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-03 03:56:12,735 INFO L225 Difference]: With dead ends: 86 [2021-11-03 03:56:12,735 INFO L226 Difference]: Without dead ends: 68 [2021-11-03 03:56:12,735 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 1 SyntacticMatches, 1 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-03 03:56:12,736 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 68 states. [2021-11-03 03:56:12,742 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 68 to 68. [2021-11-03 03:56:12,743 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 68 states, 67 states have (on average 1.4776119402985075) internal successors, (99), 67 states have internal predecessors, (99), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 03:56:12,744 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 68 states and 99 transitions. [2021-11-03 03:56:12,744 INFO L78 Accepts]: Start accepts. Automaton has 68 states and 99 transitions. Word has length 32 [2021-11-03 03:56:12,744 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-03 03:56:12,744 INFO L470 AbstractCegarLoop]: Abstraction has 68 states and 99 transitions. [2021-11-03 03:56:12,744 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 3.75) internal successors, (15), 3 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 03:56:12,745 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 99 transitions. [2021-11-03 03:56:12,746 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2021-11-03 03:56:12,746 INFO L505 BasicCegarLoop]: Found error trace [2021-11-03 03:56:12,746 INFO L513 BasicCegarLoop]: trace histogram [12, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-03 03:56:12,746 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2021-11-03 03:56:12,746 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-03 03:56:12,747 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-03 03:56:12,747 INFO L85 PathProgramCache]: Analyzing trace with hash 128827961, now seen corresponding path program 1 times [2021-11-03 03:56:12,747 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-03 03:56:12,747 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [54670403] [2021-11-03 03:56:12,747 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-03 03:56:12,748 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-03 03:56:12,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-03 03:56:12,949 INFO L134 CoverageAnalysis]: Checked inductivity of 130 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 130 trivial. 0 not checked. [2021-11-03 03:56:12,949 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-03 03:56:12,949 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [54670403] [2021-11-03 03:56:12,950 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [54670403] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-03 03:56:12,950 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-03 03:56:12,950 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-03 03:56:12,950 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1001594613] [2021-11-03 03:56:12,951 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-03 03:56:12,951 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-03 03:56:12,951 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-03 03:56:12,952 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-03 03:56:12,952 INFO L87 Difference]: Start difference. First operand 68 states and 99 transitions. Second operand has 4 states, 4 states have (on average 3.75) internal successors, (15), 3 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 03:56:16,936 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-03 03:56:16,936 INFO L93 Difference]: Finished difference Result 86 states and 125 transitions. [2021-11-03 03:56:16,937 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-03 03:56:16,937 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 3.75) internal successors, (15), 3 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 32 [2021-11-03 03:56:16,937 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-03 03:56:16,938 INFO L225 Difference]: With dead ends: 86 [2021-11-03 03:56:16,938 INFO L226 Difference]: Without dead ends: 55 [2021-11-03 03:56:16,938 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 1 SyntacticMatches, 1 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-03 03:56:16,938 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 55 states. [2021-11-03 03:56:16,943 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 55 to 55. [2021-11-03 03:56:16,944 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 55 states, 54 states have (on average 1.4259259259259258) internal successors, (77), 54 states have internal predecessors, (77), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 03:56:16,944 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 55 states and 77 transitions. [2021-11-03 03:56:16,944 INFO L78 Accepts]: Start accepts. Automaton has 55 states and 77 transitions. Word has length 32 [2021-11-03 03:56:16,945 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-03 03:56:16,945 INFO L470 AbstractCegarLoop]: Abstraction has 55 states and 77 transitions. [2021-11-03 03:56:16,945 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 3.75) internal successors, (15), 3 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 03:56:16,945 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 77 transitions. [2021-11-03 03:56:16,946 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2021-11-03 03:56:16,947 INFO L505 BasicCegarLoop]: Found error trace [2021-11-03 03:56:16,947 INFO L513 BasicCegarLoop]: trace histogram [12, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-03 03:56:16,947 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2021-11-03 03:56:16,947 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-03 03:56:16,948 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-03 03:56:16,948 INFO L85 PathProgramCache]: Analyzing trace with hash -1685057508, now seen corresponding path program 1 times [2021-11-03 03:56:16,948 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-03 03:56:16,948 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1240857455] [2021-11-03 03:56:16,948 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-03 03:56:16,948 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-03 03:56:17,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-03 03:56:17,140 INFO L134 CoverageAnalysis]: Checked inductivity of 130 backedges. 0 proven. 106 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2021-11-03 03:56:17,141 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-03 03:56:17,141 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1240857455] [2021-11-03 03:56:17,141 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1240857455] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-03 03:56:17,141 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1227050643] [2021-11-03 03:56:17,141 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-03 03:56:17,142 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-03 03:56:17,142 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7aa1670c-4658-4f22-9cb8-4e090173c09a/bin/utaipan-aC7eJsxGYH/z3 [2021-11-03 03:56:17,145 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7aa1670c-4658-4f22-9cb8-4e090173c09a/bin/utaipan-aC7eJsxGYH/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-03 03:56:17,165 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7aa1670c-4658-4f22-9cb8-4e090173c09a/bin/utaipan-aC7eJsxGYH/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2021-11-03 03:56:17,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-03 03:56:17,548 INFO L263 TraceCheckSpWp]: Trace formula consists of 531 conjuncts, 6 conjunts are in the unsatisfiable core [2021-11-03 03:56:17,551 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-03 03:56:17,667 INFO L134 CoverageAnalysis]: Checked inductivity of 130 backedges. 0 proven. 106 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2021-11-03 03:56:17,667 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-03 03:56:17,809 INFO L134 CoverageAnalysis]: Checked inductivity of 130 backedges. 0 proven. 106 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2021-11-03 03:56:17,810 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1227050643] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-03 03:56:17,810 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [40254419] [2021-11-03 03:56:17,813 INFO L159 IcfgInterpreter]: Started Sifa with 14 locations of interest [2021-11-03 03:56:17,813 INFO L166 IcfgInterpreter]: Building call graph [2021-11-03 03:56:17,813 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2021-11-03 03:56:17,813 INFO L176 IcfgInterpreter]: Starting interpretation [2021-11-03 03:56:17,813 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2021-11-03 03:56:17,839 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:56:17,841 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 03:56:17,841 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:56:17,841 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-11-03 03:56:17,842 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 03:56:17,843 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:56:17,844 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 42 [2021-11-03 03:56:17,845 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 03:56:17,846 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:56:17,847 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 384 [2021-11-03 03:56:17,847 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 03:56:17,856 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:56:17,857 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-11-03 03:56:17,858 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 03:56:17,858 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:56:17,859 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 74 [2021-11-03 03:56:17,859 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 03:56:17,859 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:56:17,860 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-11-03 03:56:17,860 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 03:56:17,861 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:56:17,861 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-11-03 03:56:17,872 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 892 [2021-11-03 03:56:17,890 INFO L446 ElimStorePlain]: Different costs {0=[v_~__CS_thread~0.base_208, |v_#length_71|, v_~__CS_thread~0.offset_208], 351=[|v_#valid_337|]} [2021-11-03 03:56:17,929 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 12 treesize of output 16 [2021-11-03 03:56:17,932 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:56:17,933 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-11-03 03:56:17,933 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:56:17,934 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-11-03 03:56:17,934 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-03 03:56:17,934 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:56:18,013 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:56:18,074 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:56:18,090 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:56:18,104 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:56:18,128 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:56:18,145 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:56:18,156 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:56:18,182 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:56:18,195 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:56:18,213 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:56:18,232 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:56:18,270 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:56:18,291 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:56:18,299 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:56:18,312 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:56:18,327 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:56:18,339 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:56:18,352 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:56:18,377 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:56:18,396 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:56:18,413 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:56:18,426 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:56:18,444 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:56:18,459 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:56:18,465 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:56:18,471 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:56:18,482 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:56:18,495 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:56:18,513 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:56:18,523 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:56:18,532 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:56:18,549 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:56:18,561 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:56:18,582 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:56:18,589 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:56:18,605 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:56:18,617 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:56:18,623 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:56:18,634 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:56:18,643 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:56:18,656 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:56:18,669 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:56:18,684 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:56:18,691 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:56:18,700 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:56:18,708 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:56:18,716 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:56:18,725 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:56:18,734 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:56:18,748 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:56:18,763 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:56:18,778 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:56:18,787 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:56:18,795 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:56:18,805 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:56:18,815 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:56:18,830 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:56:18,849 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:56:18,857 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:56:18,868 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:56:18,876 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:56:18,886 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:56:18,896 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:56:18,909 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:56:18,917 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:56:18,924 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:56:18,932 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:56:18,954 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:56:18,962 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:56:18,968 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:56:18,976 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:56:18,986 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:56:18,996 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:56:19,003 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:56:19,012 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:56:19,021 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:56:19,028 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:56:19,035 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:56:19,044 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:56:19,044 INFO L244 Elim1Store]: Index analysis took 986 ms [2021-11-03 03:56:19,048 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 106 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 42 treesize of output 66 [2021-11-03 03:56:19,048 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:56:19,049 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 66 [2021-11-03 03:56:19,050 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:56:19,050 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 66 [2021-11-03 03:56:19,051 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-03 03:56:19,051 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:56:19,102 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:56:19,156 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 12 treesize of output 16 [2021-11-03 03:56:19,156 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:56:19,157 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-11-03 03:56:19,157 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:56:19,158 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-11-03 03:56:19,158 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-11-03 03:56:19,159 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:56:19,211 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:56:19,237 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:56:19,241 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:56:19,245 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:56:19,254 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:56:19,257 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:56:19,260 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:56:19,264 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:56:19,267 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:56:19,272 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:56:19,277 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:56:19,295 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:56:19,297 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:56:19,301 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:56:19,305 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:56:19,307 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:56:19,311 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:56:19,315 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:56:19,318 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:56:19,321 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:56:19,324 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:56:19,328 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:56:19,330 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:56:19,332 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:56:19,335 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:56:19,341 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:56:19,343 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:56:19,345 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:56:19,348 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:56:19,350 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:56:19,353 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:56:19,355 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:56:19,357 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:56:19,373 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:56:19,375 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:56:19,381 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:56:19,383 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:56:19,385 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:56:19,387 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:56:19,390 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:56:19,393 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:56:19,395 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:56:19,397 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:56:19,401 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:56:19,405 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:56:19,409 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:56:19,417 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:56:19,419 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:56:19,421 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:56:19,423 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:56:19,426 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:56:19,431 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:56:19,434 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:56:19,436 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:56:19,438 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:56:19,441 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:56:19,443 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:56:19,445 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:56:19,449 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:56:19,452 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:56:19,455 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:56:19,457 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:56:19,460 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:56:19,462 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:56:19,465 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:56:19,469 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:56:19,472 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:56:19,479 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:56:19,483 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:56:19,485 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:56:19,488 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:56:19,491 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:56:19,494 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:56:19,497 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:56:19,499 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:56:19,501 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:56:19,505 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:56:19,512 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:56:19,514 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:56:19,517 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:56:19,519 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:56:19,555 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:56:19,561 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:56:19,564 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:56:19,568 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:56:19,570 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:56:19,572 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:56:19,574 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:56:19,576 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:56:19,579 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:56:19,581 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:56:19,584 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:56:19,587 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:56:19,590 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:56:19,592 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:56:19,596 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:56:19,599 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:56:19,604 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:56:19,606 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:56:19,608 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:56:19,610 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:56:19,613 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:56:19,618 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:56:19,620 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:56:19,622 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:56:19,628 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:56:19,639 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:56:19,647 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:56:19,660 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:56:19,664 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:56:19,667 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:56:19,674 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:56:19,679 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:56:19,684 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:56:19,688 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:56:19,690 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:56:19,692 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:56:19,698 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:56:19,700 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:56:19,703 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:56:19,705 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:56:19,707 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:56:19,713 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:56:19,715 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:56:19,718 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:56:19,720 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:56:19,723 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:56:19,732 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:56:19,734 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:56:19,737 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:56:19,739 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:56:19,742 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:56:19,745 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:56:19,747 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:56:19,751 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:56:19,755 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:56:19,757 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:56:19,760 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:56:19,762 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:56:19,767 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:56:19,769 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:56:19,770 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:56:19,773 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:56:19,778 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:56:19,782 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:56:19,784 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:56:19,787 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:56:19,790 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:56:19,791 INFO L244 Elim1Store]: Index analysis took 239 ms [2021-11-03 03:56:20,047 INFO L354 Elim1Store]: treesize reduction 253, result has 12.5 percent of original size [2021-11-03 03:56:20,048 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 13 select indices, 13 select index equivalence classes, 81 disjoint index pairs (out of 78 index pairs), introduced 13 new quantified variables, introduced 25 case distinctions, treesize of input 155 treesize of output 154 [2021-11-03 03:56:20,050 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:56:20,064 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 115 [2021-11-03 03:56:20,066 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:56:20,067 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 115 [2021-11-03 03:56:20,068 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-11-03 03:56:20,069 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:56:20,140 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:56:20,145 INFO L446 ElimStorePlain]: Different costs {0=[|v_#memory_$Pointer$.offset_1029|, |v_#memory_$Pointer$.base_1029|], 6=[|v_#memory_int_645|]} [2021-11-03 03:56:20,182 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 7 treesize of output 6 [2021-11-03 03:56:20,182 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:56:20,183 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-11-03 03:56:20,183 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:56:20,183 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-11-03 03:56:20,184 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-11-03 03:56:20,184 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:56:20,237 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:56:20,274 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 7 treesize of output 6 [2021-11-03 03:56:20,274 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:56:20,275 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-11-03 03:56:20,275 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:56:20,275 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-11-03 03:56:20,275 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-11-03 03:56:20,276 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:56:20,328 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:56:20,376 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:56:20,378 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:56:20,380 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:56:20,381 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:56:20,383 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:56:20,397 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 11 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 74 treesize of output 72 [2021-11-03 03:56:20,399 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:56:20,403 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 73 [2021-11-03 03:56:20,403 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:56:20,404 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 73 [2021-11-03 03:56:20,404 INFO L550 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2021-11-03 03:56:20,405 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:56:20,459 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:56:20,477 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:56:20,502 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 640 [2021-11-03 03:56:20,504 INFO L550 ElimStorePlain]: Start of recursive call 1: 4 dim-1 vars, 3 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-11-03 03:56:20,504 INFO L247 ElimStorePlain]: Needed 8 recursive calls to eliminate 7 variables, input treesize:883, output treesize:640 [2021-11-03 03:56:20,537 INFO L180 QuantifierPusher]: treesize reduction 3, result has 99.6 percent of original size [2021-11-03 03:56:20,540 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 03:56:20,540 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:56:20,541 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 03:56:20,541 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:56:20,541 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-11-03 03:56:20,542 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-11-03 03:56:20,542 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 03:56:20,543 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:56:20,543 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 03:56:20,544 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:56:20,544 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-11-03 03:56:20,545 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 48 [2021-11-03 03:56:20,545 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 03:56:20,546 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:56:20,546 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 53 [2021-11-03 03:56:20,550 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 03:56:20,551 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:56:20,552 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 03:56:20,553 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:56:20,554 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 48 [2021-11-03 03:56:20,557 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-11-03 03:56:20,559 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 03:56:20,559 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:56:20,560 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 03:56:20,561 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:56:20,561 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 48 [2021-11-03 03:56:20,562 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-11-03 03:56:20,562 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 03:56:20,564 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:56:20,566 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 03:56:20,567 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:56:20,569 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 268 [2021-11-03 03:56:20,571 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 269 [2021-11-03 03:56:20,571 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 03:56:20,573 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:56:20,575 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 284 [2021-11-03 03:56:20,575 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 03:56:20,576 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:56:20,577 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 03:56:20,577 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:56:20,578 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-11-03 03:56:20,578 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-11-03 03:56:20,578 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 03:56:20,579 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:56:20,581 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 03:56:20,581 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:56:20,582 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-11-03 03:56:20,583 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 48 [2021-11-03 03:56:20,584 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 03:56:20,584 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:56:20,585 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 53 [2021-11-03 03:56:20,606 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 796 [2021-11-03 03:56:20,615 INFO L446 ElimStorePlain]: Different costs {2=[|v_#memory_$Pointer$.offset_6|, |v_#memory_$Pointer$.base_6|], 3=[|v_#memory_$Pointer$.offset_1030|, |v_#memory_$Pointer$.base_1030|], 36=[|v_#memory_int_646|]} [2021-11-03 03:56:20,645 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:56:20,646 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-11-03 03:56:20,646 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:56:20,647 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 03:56:20,647 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:56:20,648 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-11-03 03:56:20,648 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 48 [2021-11-03 03:56:20,650 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:56:20,650 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 03:56:20,651 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:56:20,651 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-11-03 03:56:20,652 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 48 [2021-11-03 03:56:20,652 INFO L550 ElimStorePlain]: Start of recursive call 2: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-11-03 03:56:20,652 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:56:20,712 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:56:20,738 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:56:20,740 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-11-03 03:56:20,740 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:56:20,740 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 03:56:20,741 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:56:20,741 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-11-03 03:56:20,742 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 48 [2021-11-03 03:56:20,742 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:56:20,743 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 03:56:20,744 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:56:20,744 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-11-03 03:56:20,744 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 48 [2021-11-03 03:56:20,745 INFO L550 ElimStorePlain]: Start of recursive call 3: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-11-03 03:56:20,745 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:56:20,809 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:56:20,862 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:56:20,863 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 8 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 54 treesize of output 45 [2021-11-03 03:56:20,864 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:56:20,865 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 03:56:20,866 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:56:20,866 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 03:56:20,867 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:56:20,867 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-11-03 03:56:20,867 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-11-03 03:56:20,868 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 03:56:20,868 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:56:20,869 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 42 [2021-11-03 03:56:20,869 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-11-03 03:56:20,922 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 12 treesize of output 11 [2021-11-03 03:56:20,923 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:56:20,924 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-11-03 03:56:20,924 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:56:20,924 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-11-03 03:56:20,924 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-11-03 03:56:20,925 FATAL L? ?]: Ignoring exception! java.lang.UnsupportedOperationException: SIMPLIFY_QUICK does not support simplification with respect to context at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.SmtUtils.simplify(SmtUtils.java:157) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.SmtUtils.simplifyWithStatistics(SmtUtils.java:239) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.ElimStorePlain.eliminateOne(ElimStorePlain.java:625) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.ElimStorePlain.doElimAllRec(ElimStorePlain.java:520) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.ElimStorePlain.doElimOneRec(ElimStorePlain.java:301) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.ElimStorePlain.eliminateOne(ElimStorePlain.java:607) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.ElimStorePlain.doElimAllRec(ElimStorePlain.java:520) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.ElimStorePlain.startRecursiveElimination(ElimStorePlain.java:242) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.PartialQuantifierElimination.elim(PartialQuantifierElimination.java:402) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.PartialQuantifierElimination.quantifier(PartialQuantifierElimination.java:228) at de.uni_freiburg.informatik.ultimate.lib.sifa.SymbolicTools$EliminatingTermDomainOperationProvider.newQuantifier(SymbolicTools.java:279) at de.uni_freiburg.informatik.ultimate.lib.sifa.SymbolicTools$EliminatingTermDomainOperationProvider.projectExistentially(SymbolicTools.java:267) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.TermDomainOperationProvider.projectExistentially(TermDomainOperationProvider.java:1) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateTransformer.strongestPostcondition(PredicateTransformer.java:131) at de.uni_freiburg.informatik.ultimate.lib.sifa.SymbolicTools.post(SymbolicTools.java:116) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.ipretInternal(DagInterpreter.java:227) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.ipretTransAndStoreLoiPred(DagInterpreter.java:209) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.ipretTrans(DagInterpreter.java:187) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.ipretNode(DagInterpreter.java:165) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.interpret(DagInterpreter.java:123) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.interpretForSingleMarker(DagInterpreter.java:97) at de.uni_freiburg.informatik.ultimate.lib.sifa.summarizers.FixpointLoopSummarizer.summarizeInternal(FixpointLoopSummarizer.java:125) at de.uni_freiburg.informatik.ultimate.lib.sifa.summarizers.FixpointLoopSummarizer.summarize(FixpointLoopSummarizer.java:98) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.ipretLoop(DagInterpreter.java:177) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.ipretNode(DagInterpreter.java:168) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.interpret(DagInterpreter.java:123) at de.uni_freiburg.informatik.ultimate.lib.sifa.IcfgInterpreter.interpretLoisInProcedure(IcfgInterpreter.java:136) at de.uni_freiburg.informatik.ultimate.lib.sifa.IcfgInterpreter.interpret(IcfgInterpreter.java:127) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.SifaRunner.(SifaRunner.java:102) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleSifa.construct(IpTcStrategyModuleSifa.java:67) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getOrConstruct(IpTcStrategyModuleBase.java:100) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getInterpolantComputationStatus(IpTcStrategyModuleBase.java:76) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.tryExecuteInterpolantGenerator(AutomatonFreeRefinementEngine.java:268) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.generateProof(AutomatonFreeRefinementEngine.java:150) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.executeStrategy(AutomatonFreeRefinementEngine.java:140) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.(AutomatonFreeRefinementEngine.java:88) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.(TraceAbstractionRefinementEngine.java:76) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.isCounterexampleFeasible(BasicCegarLoop.java:609) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:413) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.startCegar(AbstractCegarLoop.java:348) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.runCegar(AbstractCegarLoop.java:330) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.CegarLoopUtils.getCegarLoopResult(CegarLoopUtils.java:56) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.executeCegarLoop(TraceAbstractionStarter.java:393) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseProgram(TraceAbstractionStarter.java:303) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseSequentialProgram(TraceAbstractionStarter.java:263) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:176) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:155) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:123) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2021-11-03 03:56:20,925 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2021-11-03 03:56:20,925 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 6] total 8 [2021-11-03 03:56:20,925 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1261176844] [2021-11-03 03:56:20,926 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2021-11-03 03:56:20,926 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-03 03:56:20,926 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-11-03 03:56:20,926 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=36, Unknown=0, NotChecked=0, Total=72 [2021-11-03 03:56:20,927 INFO L87 Difference]: Start difference. First operand 55 states and 77 transitions. Second operand has 9 states, 9 states have (on average 3.6666666666666665) internal successors, (33), 8 states have internal predecessors, (33), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 03:56:25,095 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-03 03:56:25,095 INFO L93 Difference]: Finished difference Result 98 states and 141 transitions. [2021-11-03 03:56:25,095 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-11-03 03:56:25,095 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 3.6666666666666665) internal successors, (33), 8 states have internal predecessors, (33), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 32 [2021-11-03 03:56:25,096 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-03 03:56:25,096 INFO L225 Difference]: With dead ends: 98 [2021-11-03 03:56:25,096 INFO L226 Difference]: Without dead ends: 65 [2021-11-03 03:56:25,097 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 68 GetRequests, 60 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=36, Invalid=36, Unknown=0, NotChecked=0, Total=72 [2021-11-03 03:56:25,097 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 65 states. [2021-11-03 03:56:25,103 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 65 to 65. [2021-11-03 03:56:25,104 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 65 states, 64 states have (on average 1.390625) internal successors, (89), 64 states have internal predecessors, (89), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 03:56:25,104 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 65 states and 89 transitions. [2021-11-03 03:56:25,104 INFO L78 Accepts]: Start accepts. Automaton has 65 states and 89 transitions. Word has length 32 [2021-11-03 03:56:25,105 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-03 03:56:25,105 INFO L470 AbstractCegarLoop]: Abstraction has 65 states and 89 transitions. [2021-11-03 03:56:25,105 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 3.6666666666666665) internal successors, (33), 8 states have internal predecessors, (33), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 03:56:25,105 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 89 transitions. [2021-11-03 03:56:25,106 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2021-11-03 03:56:25,106 INFO L505 BasicCegarLoop]: Found error trace [2021-11-03 03:56:25,106 INFO L513 BasicCegarLoop]: trace histogram [18, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-03 03:56:25,140 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7aa1670c-4658-4f22-9cb8-4e090173c09a/bin/utaipan-aC7eJsxGYH/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2021-11-03 03:56:25,329 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7aa1670c-4658-4f22-9cb8-4e090173c09a/bin/utaipan-aC7eJsxGYH/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable25 [2021-11-03 03:56:25,329 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-03 03:56:25,330 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-03 03:56:25,330 INFO L85 PathProgramCache]: Analyzing trace with hash -1823223300, now seen corresponding path program 2 times [2021-11-03 03:56:25,330 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-03 03:56:25,330 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [525370335] [2021-11-03 03:56:25,330 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-03 03:56:25,330 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-03 03:56:36,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-03 03:56:37,613 INFO L134 CoverageAnalysis]: Checked inductivity of 297 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 297 trivial. 0 not checked. [2021-11-03 03:56:37,614 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-03 03:56:37,614 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [525370335] [2021-11-03 03:56:37,614 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [525370335] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-03 03:56:37,614 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-03 03:56:37,614 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-11-03 03:56:37,614 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [585394488] [2021-11-03 03:56:37,615 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2021-11-03 03:56:37,615 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-03 03:56:37,615 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-11-03 03:56:37,615 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=44, Unknown=0, NotChecked=0, Total=72 [2021-11-03 03:56:37,616 INFO L87 Difference]: Start difference. First operand 65 states and 89 transitions. Second operand has 9 states, 9 states have (on average 1.6666666666666667) internal successors, (15), 8 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 03:56:53,514 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-03 03:56:53,514 INFO L93 Difference]: Finished difference Result 106 states and 150 transitions. [2021-11-03 03:56:53,515 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-11-03 03:56:53,515 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 1.6666666666666667) internal successors, (15), 8 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 42 [2021-11-03 03:56:53,515 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-03 03:56:53,516 INFO L225 Difference]: With dead ends: 106 [2021-11-03 03:56:53,516 INFO L226 Difference]: Without dead ends: 92 [2021-11-03 03:56:53,517 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=44, Invalid=66, Unknown=0, NotChecked=0, Total=110 [2021-11-03 03:56:53,517 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 92 states. [2021-11-03 03:56:53,527 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 92 to 68. [2021-11-03 03:56:53,528 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 68 states, 67 states have (on average 1.373134328358209) internal successors, (92), 67 states have internal predecessors, (92), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 03:56:53,528 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 68 states and 92 transitions. [2021-11-03 03:56:53,529 INFO L78 Accepts]: Start accepts. Automaton has 68 states and 92 transitions. Word has length 42 [2021-11-03 03:56:53,529 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-03 03:56:53,529 INFO L470 AbstractCegarLoop]: Abstraction has 68 states and 92 transitions. [2021-11-03 03:56:53,529 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 1.6666666666666667) internal successors, (15), 8 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 03:56:53,530 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 92 transitions. [2021-11-03 03:56:53,531 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2021-11-03 03:56:53,531 INFO L505 BasicCegarLoop]: Found error trace [2021-11-03 03:56:53,531 INFO L513 BasicCegarLoop]: trace histogram [18, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-03 03:56:53,532 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable35 [2021-11-03 03:56:53,532 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-03 03:56:53,532 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-03 03:56:53,532 INFO L85 PathProgramCache]: Analyzing trace with hash 1340144117, now seen corresponding path program 1 times [2021-11-03 03:56:53,533 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-03 03:56:53,533 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [516608993] [2021-11-03 03:56:53,533 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-03 03:56:53,533 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-03 03:56:55,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-03 03:56:55,670 INFO L134 CoverageAnalysis]: Checked inductivity of 297 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 297 trivial. 0 not checked. [2021-11-03 03:56:55,670 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-03 03:56:55,670 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [516608993] [2021-11-03 03:56:55,670 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [516608993] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-03 03:56:55,670 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-03 03:56:55,670 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-03 03:56:55,670 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [378919500] [2021-11-03 03:56:55,671 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-03 03:56:55,671 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-03 03:56:55,671 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-03 03:56:55,671 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2021-11-03 03:56:55,672 INFO L87 Difference]: Start difference. First operand 68 states and 92 transitions. Second operand has 6 states, 6 states have (on average 2.8333333333333335) internal successors, (17), 5 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 03:57:04,048 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-03 03:57:04,048 INFO L93 Difference]: Finished difference Result 77 states and 99 transitions. [2021-11-03 03:57:04,049 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-03 03:57:04,049 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 2.8333333333333335) internal successors, (17), 5 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 44 [2021-11-03 03:57:04,049 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-03 03:57:04,050 INFO L225 Difference]: With dead ends: 77 [2021-11-03 03:57:04,050 INFO L226 Difference]: Without dead ends: 69 [2021-11-03 03:57:04,050 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2021-11-03 03:57:04,051 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 69 states. [2021-11-03 03:57:04,060 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 69 to 65. [2021-11-03 03:57:04,061 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 65 states, 64 states have (on average 1.359375) internal successors, (87), 64 states have internal predecessors, (87), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 03:57:04,061 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 65 states and 87 transitions. [2021-11-03 03:57:04,062 INFO L78 Accepts]: Start accepts. Automaton has 65 states and 87 transitions. Word has length 44 [2021-11-03 03:57:04,062 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-03 03:57:04,062 INFO L470 AbstractCegarLoop]: Abstraction has 65 states and 87 transitions. [2021-11-03 03:57:04,063 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 2.8333333333333335) internal successors, (17), 5 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 03:57:04,063 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 87 transitions. [2021-11-03 03:57:04,064 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2021-11-03 03:57:04,064 INFO L505 BasicCegarLoop]: Found error trace [2021-11-03 03:57:04,064 INFO L513 BasicCegarLoop]: trace histogram [18, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-03 03:57:04,065 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable36 [2021-11-03 03:57:04,065 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-03 03:57:04,065 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-03 03:57:04,065 INFO L85 PathProgramCache]: Analyzing trace with hash 381300747, now seen corresponding path program 1 times [2021-11-03 03:57:04,066 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-03 03:57:04,066 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1420574551] [2021-11-03 03:57:04,066 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-03 03:57:04,066 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-03 03:57:04,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-03 03:57:05,281 INFO L134 CoverageAnalysis]: Checked inductivity of 297 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 297 trivial. 0 not checked. [2021-11-03 03:57:05,281 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-03 03:57:05,281 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1420574551] [2021-11-03 03:57:05,281 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1420574551] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-03 03:57:05,281 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-03 03:57:05,281 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-03 03:57:05,281 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1293670307] [2021-11-03 03:57:05,282 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-03 03:57:05,282 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-03 03:57:05,282 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-03 03:57:05,282 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2021-11-03 03:57:05,283 INFO L87 Difference]: Start difference. First operand 65 states and 87 transitions. Second operand has 6 states, 6 states have (on average 2.8333333333333335) internal successors, (17), 5 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 03:57:08,166 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-03 03:57:08,167 INFO L93 Difference]: Finished difference Result 87 states and 115 transitions. [2021-11-03 03:57:08,167 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-03 03:57:08,167 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 2.8333333333333335) internal successors, (17), 5 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 44 [2021-11-03 03:57:08,168 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-03 03:57:08,168 INFO L225 Difference]: With dead ends: 87 [2021-11-03 03:57:08,168 INFO L226 Difference]: Without dead ends: 69 [2021-11-03 03:57:08,169 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-11-03 03:57:08,169 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 69 states. [2021-11-03 03:57:08,184 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 69 to 65. [2021-11-03 03:57:08,184 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 65 states, 64 states have (on average 1.34375) internal successors, (86), 64 states have internal predecessors, (86), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 03:57:08,185 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 65 states and 86 transitions. [2021-11-03 03:57:08,185 INFO L78 Accepts]: Start accepts. Automaton has 65 states and 86 transitions. Word has length 44 [2021-11-03 03:57:08,185 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-03 03:57:08,185 INFO L470 AbstractCegarLoop]: Abstraction has 65 states and 86 transitions. [2021-11-03 03:57:08,186 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 2.8333333333333335) internal successors, (17), 5 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 03:57:08,186 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 86 transitions. [2021-11-03 03:57:08,187 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2021-11-03 03:57:08,187 INFO L505 BasicCegarLoop]: Found error trace [2021-11-03 03:57:08,187 INFO L513 BasicCegarLoop]: trace histogram [18, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-03 03:57:08,187 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable37 [2021-11-03 03:57:08,187 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-03 03:57:08,188 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-03 03:57:08,188 INFO L85 PathProgramCache]: Analyzing trace with hash 1185140574, now seen corresponding path program 1 times [2021-11-03 03:57:08,188 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-03 03:57:08,188 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1998098085] [2021-11-03 03:57:08,188 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-03 03:57:08,188 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-03 03:57:09,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-03 03:57:09,639 INFO L134 CoverageAnalysis]: Checked inductivity of 297 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 297 trivial. 0 not checked. [2021-11-03 03:57:09,639 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-03 03:57:09,639 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1998098085] [2021-11-03 03:57:09,639 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1998098085] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-03 03:57:09,639 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-03 03:57:09,640 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-11-03 03:57:09,640 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1445251951] [2021-11-03 03:57:09,640 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-11-03 03:57:09,640 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-03 03:57:09,641 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-11-03 03:57:09,641 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2021-11-03 03:57:09,641 INFO L87 Difference]: Start difference. First operand 65 states and 86 transitions. Second operand has 8 states, 8 states have (on average 2.5) internal successors, (20), 7 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 03:57:14,682 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-03 03:57:14,683 INFO L93 Difference]: Finished difference Result 87 states and 114 transitions. [2021-11-03 03:57:14,684 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-03 03:57:14,684 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 2.5) internal successors, (20), 7 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 47 [2021-11-03 03:57:14,684 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-03 03:57:14,685 INFO L225 Difference]: With dead ends: 87 [2021-11-03 03:57:14,685 INFO L226 Difference]: Without dead ends: 65 [2021-11-03 03:57:14,685 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=36, Invalid=54, Unknown=0, NotChecked=0, Total=90 [2021-11-03 03:57:14,685 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 65 states. [2021-11-03 03:57:14,691 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 65 to 61. [2021-11-03 03:57:14,691 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 61 states, 60 states have (on average 1.3) internal successors, (78), 60 states have internal predecessors, (78), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 03:57:14,691 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 61 states and 78 transitions. [2021-11-03 03:57:14,691 INFO L78 Accepts]: Start accepts. Automaton has 61 states and 78 transitions. Word has length 47 [2021-11-03 03:57:14,692 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-03 03:57:14,692 INFO L470 AbstractCegarLoop]: Abstraction has 61 states and 78 transitions. [2021-11-03 03:57:14,692 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 2.5) internal successors, (20), 7 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 03:57:14,692 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 78 transitions. [2021-11-03 03:57:14,692 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2021-11-03 03:57:14,692 INFO L505 BasicCegarLoop]: Found error trace [2021-11-03 03:57:14,692 INFO L513 BasicCegarLoop]: trace histogram [18, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-03 03:57:14,693 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable38 [2021-11-03 03:57:14,693 INFO L402 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-03 03:57:14,694 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-03 03:57:14,694 INFO L85 PathProgramCache]: Analyzing trace with hash -1999846497, now seen corresponding path program 1 times [2021-11-03 03:57:14,694 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-03 03:57:14,694 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [982778884] [2021-11-03 03:57:14,694 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-03 03:57:14,694 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-03 03:57:25,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-03 03:57:26,673 INFO L134 CoverageAnalysis]: Checked inductivity of 297 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 297 trivial. 0 not checked. [2021-11-03 03:57:26,673 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-03 03:57:26,673 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [982778884] [2021-11-03 03:57:26,674 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [982778884] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-03 03:57:26,674 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-03 03:57:26,674 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-11-03 03:57:26,674 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2056530240] [2021-11-03 03:57:26,674 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2021-11-03 03:57:26,674 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-03 03:57:26,675 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-11-03 03:57:26,675 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=71, Unknown=0, NotChecked=0, Total=110 [2021-11-03 03:57:26,675 INFO L87 Difference]: Start difference. First operand 61 states and 78 transitions. Second operand has 11 states, 11 states have (on average 1.8181818181818181) internal successors, (20), 10 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 03:57:33,699 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-03 03:57:33,700 INFO L93 Difference]: Finished difference Result 86 states and 111 transitions. [2021-11-03 03:57:33,700 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-11-03 03:57:33,700 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 1.8181818181818181) internal successors, (20), 10 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 47 [2021-11-03 03:57:33,701 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-03 03:57:33,701 INFO L225 Difference]: With dead ends: 86 [2021-11-03 03:57:33,702 INFO L226 Difference]: Without dead ends: 82 [2021-11-03 03:57:33,702 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 31 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=69, Invalid=113, Unknown=0, NotChecked=0, Total=182 [2021-11-03 03:57:33,702 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 82 states. [2021-11-03 03:57:33,712 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 82 to 67. [2021-11-03 03:57:33,713 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 67 states, 66 states have (on average 1.303030303030303) internal successors, (86), 66 states have internal predecessors, (86), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 03:57:33,714 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 67 states and 86 transitions. [2021-11-03 03:57:33,714 INFO L78 Accepts]: Start accepts. Automaton has 67 states and 86 transitions. Word has length 47 [2021-11-03 03:57:33,714 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-03 03:57:33,714 INFO L470 AbstractCegarLoop]: Abstraction has 67 states and 86 transitions. [2021-11-03 03:57:33,715 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 1.8181818181818181) internal successors, (20), 10 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 03:57:33,715 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 86 transitions. [2021-11-03 03:57:33,715 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2021-11-03 03:57:33,716 INFO L505 BasicCegarLoop]: Found error trace [2021-11-03 03:57:33,716 INFO L513 BasicCegarLoop]: trace histogram [18, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-03 03:57:33,716 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable39 [2021-11-03 03:57:33,716 INFO L402 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-03 03:57:33,717 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-03 03:57:33,717 INFO L85 PathProgramCache]: Analyzing trace with hash 1775975491, now seen corresponding path program 1 times [2021-11-03 03:57:33,717 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-03 03:57:33,717 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [320371166] [2021-11-03 03:57:33,717 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-03 03:57:33,718 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-03 03:57:33,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-03 03:57:33,867 INFO L134 CoverageAnalysis]: Checked inductivity of 298 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 297 trivial. 0 not checked. [2021-11-03 03:57:33,867 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-03 03:57:33,868 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [320371166] [2021-11-03 03:57:33,868 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [320371166] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-03 03:57:33,868 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [504955320] [2021-11-03 03:57:33,868 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-03 03:57:33,868 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-03 03:57:33,869 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7aa1670c-4658-4f22-9cb8-4e090173c09a/bin/utaipan-aC7eJsxGYH/z3 [2021-11-03 03:57:33,874 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7aa1670c-4658-4f22-9cb8-4e090173c09a/bin/utaipan-aC7eJsxGYH/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-03 03:57:33,895 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7aa1670c-4658-4f22-9cb8-4e090173c09a/bin/utaipan-aC7eJsxGYH/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2021-11-03 03:57:34,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-03 03:57:34,290 INFO L263 TraceCheckSpWp]: Trace formula consists of 691 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-03 03:57:34,294 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-03 03:57:34,439 INFO L134 CoverageAnalysis]: Checked inductivity of 298 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 297 trivial. 0 not checked. [2021-11-03 03:57:34,439 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-03 03:57:34,564 INFO L134 CoverageAnalysis]: Checked inductivity of 298 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 297 trivial. 0 not checked. [2021-11-03 03:57:34,564 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [504955320] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-03 03:57:34,564 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1825570839] [2021-11-03 03:57:34,567 INFO L159 IcfgInterpreter]: Started Sifa with 21 locations of interest [2021-11-03 03:57:34,568 INFO L166 IcfgInterpreter]: Building call graph [2021-11-03 03:57:34,568 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2021-11-03 03:57:34,568 INFO L176 IcfgInterpreter]: Starting interpretation [2021-11-03 03:57:34,568 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2021-11-03 03:57:34,588 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:57:34,589 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 03:57:34,590 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:57:34,590 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-11-03 03:57:34,590 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 03:57:34,591 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:57:34,591 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 42 [2021-11-03 03:57:34,592 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 03:57:34,593 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:57:34,594 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 384 [2021-11-03 03:57:34,594 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 03:57:34,595 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:57:34,596 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 74 [2021-11-03 03:57:34,596 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 03:57:34,596 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:57:34,597 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-11-03 03:57:34,597 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 03:57:34,597 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:57:34,598 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-11-03 03:57:34,598 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 03:57:34,598 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:57:34,599 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-11-03 03:57:34,609 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 892 [2021-11-03 03:57:34,620 INFO L446 ElimStorePlain]: Different costs {0=[v_~__CS_thread~0.base_209, |v_#length_72|, v_~__CS_thread~0.offset_209], 351=[|v_#valid_338|]} [2021-11-03 03:57:34,659 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 12 treesize of output 16 [2021-11-03 03:57:34,660 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:57:34,660 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-11-03 03:57:34,660 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:57:34,661 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-11-03 03:57:34,661 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-03 03:57:34,662 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:57:34,698 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:57:34,748 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:57:34,758 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:57:34,770 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:57:34,781 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:57:34,798 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:57:34,815 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:57:34,827 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:57:34,846 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:57:34,876 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:57:34,903 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:57:34,930 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:57:34,955 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:57:34,967 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:57:34,977 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:57:34,990 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:57:35,000 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:57:35,016 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:57:35,032 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:57:35,048 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:57:35,069 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:57:35,083 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:57:35,116 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:57:35,141 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:57:35,148 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:57:35,160 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:57:35,174 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:57:35,184 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:57:35,194 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:57:35,207 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:57:35,222 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:57:35,237 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:57:35,258 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:57:35,283 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:57:35,293 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:57:35,305 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:57:35,316 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:57:35,325 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:57:35,338 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:57:35,356 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:57:35,369 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:57:35,385 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:57:35,400 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:57:35,412 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:57:35,423 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:57:35,435 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:57:35,445 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:57:35,455 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:57:35,462 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:57:35,473 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:57:35,484 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:57:35,493 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:57:35,500 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:57:35,508 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:57:35,517 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:57:35,524 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:57:35,535 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:57:35,548 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:57:35,555 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:57:35,564 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:57:35,601 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:57:35,616 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:57:35,629 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:57:35,640 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:57:35,649 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:57:35,657 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:57:35,664 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:57:35,674 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:57:35,681 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:57:35,689 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:57:35,697 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:57:35,703 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:57:35,712 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:57:35,722 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:57:35,730 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:57:35,736 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:57:35,745 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:57:35,752 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:57:35,761 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:57:35,762 INFO L244 Elim1Store]: Index analysis took 1023 ms [2021-11-03 03:57:35,777 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 106 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 42 treesize of output 66 [2021-11-03 03:57:35,778 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:57:35,778 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 66 [2021-11-03 03:57:35,779 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:57:35,779 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 66 [2021-11-03 03:57:35,779 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-03 03:57:35,780 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:57:35,816 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:57:35,865 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 12 treesize of output 16 [2021-11-03 03:57:35,866 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:57:35,866 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-11-03 03:57:35,866 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:57:35,867 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-11-03 03:57:35,867 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-11-03 03:57:35,867 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:57:35,909 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:57:35,928 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:57:35,935 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:57:35,938 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:57:35,946 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:57:35,951 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:57:35,957 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:57:35,961 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:57:35,964 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:57:35,967 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:57:35,972 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:57:35,976 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:57:35,981 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:57:35,984 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:57:35,987 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:57:35,991 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:57:35,993 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:57:35,995 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:57:35,997 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:57:36,000 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:57:36,002 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:57:36,014 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:57:36,015 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:57:36,020 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:57:36,022 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:57:36,024 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:57:36,026 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:57:36,038 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:57:36,048 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:57:36,054 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:57:36,059 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:57:36,061 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:57:36,063 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:57:36,067 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:57:36,068 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:57:36,070 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:57:36,071 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:57:36,073 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:57:36,075 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:57:36,077 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:57:36,090 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:57:36,092 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:57:36,094 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:57:36,096 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:57:36,098 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:57:36,100 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:57:36,101 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:57:36,110 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:57:36,112 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:57:36,114 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:57:36,116 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:57:36,131 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:57:36,134 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:57:36,136 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:57:36,138 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:57:36,144 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:57:36,146 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:57:36,148 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:57:36,150 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:57:36,151 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:57:36,153 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:57:36,155 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:57:36,156 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:57:36,158 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:57:36,160 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:57:36,161 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:57:36,163 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:57:36,165 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:57:36,167 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:57:36,169 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:57:36,170 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:57:36,175 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:57:36,177 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:57:36,179 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:57:36,181 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:57:36,183 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:57:36,184 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:57:36,189 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:57:36,191 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:57:36,193 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:57:36,195 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:57:36,219 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:57:36,221 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:57:36,223 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:57:36,225 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:57:36,227 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:57:36,229 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:57:36,232 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:57:36,235 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:57:36,238 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:57:36,241 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:57:36,243 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:57:36,246 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:57:36,248 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:57:36,250 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:57:36,251 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:57:36,253 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:57:36,268 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:57:36,271 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:57:36,273 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:57:36,275 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:57:36,277 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:57:36,279 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:57:36,280 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:57:36,282 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:57:36,286 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:57:36,289 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:57:36,293 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:57:36,301 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:57:36,305 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:57:36,312 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:57:36,314 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:57:36,316 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:57:36,319 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:57:36,321 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:57:36,323 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:57:36,327 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:57:36,332 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:57:36,334 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:57:36,336 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:57:36,337 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:57:36,340 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:57:36,347 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:57:36,348 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:57:36,350 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:57:36,352 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:57:36,354 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:57:36,362 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:57:36,364 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:57:36,366 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:57:36,369 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:57:36,371 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:57:36,373 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:57:36,376 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:57:36,379 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:57:36,381 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:57:36,383 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:57:36,384 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:57:36,387 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:57:36,392 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:57:36,394 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:57:36,396 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:57:36,398 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:57:36,403 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:57:36,405 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:57:36,407 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:57:36,409 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:57:36,410 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:57:36,411 INFO L244 Elim1Store]: Index analysis took 195 ms [2021-11-03 03:57:36,621 INFO L354 Elim1Store]: treesize reduction 253, result has 12.5 percent of original size [2021-11-03 03:57:36,622 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 13 select indices, 13 select index equivalence classes, 81 disjoint index pairs (out of 78 index pairs), introduced 13 new quantified variables, introduced 25 case distinctions, treesize of input 155 treesize of output 154 [2021-11-03 03:57:36,623 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:57:36,637 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 115 [2021-11-03 03:57:36,638 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:57:36,639 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 115 [2021-11-03 03:57:36,639 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-11-03 03:57:36,640 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:57:36,679 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:57:36,684 INFO L446 ElimStorePlain]: Different costs {0=[|v_#memory_$Pointer$.offset_1033|, |v_#memory_$Pointer$.base_1033|], 6=[|v_#memory_int_649|]} [2021-11-03 03:57:36,720 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 7 treesize of output 6 [2021-11-03 03:57:36,721 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:57:36,721 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-11-03 03:57:36,721 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:57:36,722 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-11-03 03:57:36,722 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-11-03 03:57:36,723 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:57:36,770 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:57:36,806 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 7 treesize of output 6 [2021-11-03 03:57:36,807 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:57:36,807 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-11-03 03:57:36,807 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:57:36,808 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-11-03 03:57:36,808 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-11-03 03:57:36,809 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:57:36,855 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:57:36,895 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:57:36,897 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:57:36,899 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:57:36,905 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:57:36,907 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:57:36,918 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 11 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 74 treesize of output 72 [2021-11-03 03:57:36,919 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:57:36,921 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 73 [2021-11-03 03:57:36,922 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:57:36,922 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 73 [2021-11-03 03:57:36,923 INFO L550 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2021-11-03 03:57:36,923 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:57:36,972 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:57:36,989 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:57:37,007 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 640 [2021-11-03 03:57:37,009 INFO L550 ElimStorePlain]: Start of recursive call 1: 4 dim-1 vars, 3 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-11-03 03:57:37,009 INFO L247 ElimStorePlain]: Needed 8 recursive calls to eliminate 7 variables, input treesize:883, output treesize:640 [2021-11-03 03:57:37,033 INFO L180 QuantifierPusher]: treesize reduction 3, result has 99.6 percent of original size [2021-11-03 03:57:37,035 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 03:57:37,036 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:57:37,036 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 03:57:37,037 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:57:37,037 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-11-03 03:57:37,038 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 48 [2021-11-03 03:57:37,038 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 03:57:37,038 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:57:37,039 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 03:57:37,039 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:57:37,039 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-11-03 03:57:37,040 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-11-03 03:57:37,040 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 03:57:37,040 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:57:37,041 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 53 [2021-11-03 03:57:37,041 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 03:57:37,042 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:57:37,042 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 03:57:37,043 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:57:37,043 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-11-03 03:57:37,043 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 48 [2021-11-03 03:57:37,044 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 03:57:37,044 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:57:37,044 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 03:57:37,045 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:57:37,045 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-11-03 03:57:37,046 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-11-03 03:57:37,046 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 03:57:37,046 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:57:37,047 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 53 [2021-11-03 03:57:37,052 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 03:57:37,053 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:57:37,054 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 03:57:37,054 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:57:37,055 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 48 [2021-11-03 03:57:37,055 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-11-03 03:57:37,056 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 03:57:37,056 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:57:37,058 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 03:57:37,058 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:57:37,059 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 48 [2021-11-03 03:57:37,059 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-11-03 03:57:37,059 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 03:57:37,061 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:57:37,062 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 03:57:37,063 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:57:37,065 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 268 [2021-11-03 03:57:37,067 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 269 [2021-11-03 03:57:37,068 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 03:57:37,069 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:57:37,071 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 284 [2021-11-03 03:57:37,089 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 796 [2021-11-03 03:57:37,098 INFO L446 ElimStorePlain]: Different costs {2=[|v_#memory_$Pointer$.offset_6|, |v_#memory_$Pointer$.base_6|], 3=[|v_#memory_$Pointer$.base_1034|, |v_#memory_$Pointer$.offset_1034|], 36=[|v_#memory_int_650|]} [2021-11-03 03:57:37,116 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:57:37,117 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-11-03 03:57:37,118 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:57:37,118 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 03:57:37,119 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:57:37,119 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-11-03 03:57:37,120 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 48 [2021-11-03 03:57:37,120 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:57:37,120 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 03:57:37,121 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:57:37,121 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-11-03 03:57:37,122 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 48 [2021-11-03 03:57:37,122 INFO L550 ElimStorePlain]: Start of recursive call 2: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-11-03 03:57:37,123 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:57:37,174 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:57:37,199 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:57:37,199 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-11-03 03:57:37,200 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:57:37,200 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 03:57:37,201 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:57:37,201 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-11-03 03:57:37,202 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 48 [2021-11-03 03:57:37,202 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:57:37,202 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 03:57:37,203 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:57:37,203 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-11-03 03:57:37,203 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 48 [2021-11-03 03:57:37,204 INFO L550 ElimStorePlain]: Start of recursive call 3: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-11-03 03:57:37,204 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:57:37,247 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:57:37,307 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:57:37,308 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 8 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 54 treesize of output 45 [2021-11-03 03:57:37,308 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:57:37,309 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 03:57:37,309 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:57:37,310 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 03:57:37,310 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:57:37,310 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-11-03 03:57:37,310 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-11-03 03:57:37,311 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 03:57:37,311 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:57:37,311 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 42 [2021-11-03 03:57:37,312 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-11-03 03:57:37,363 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 12 treesize of output 11 [2021-11-03 03:57:37,364 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:57:37,364 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-11-03 03:57:37,364 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:57:37,365 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-11-03 03:57:37,365 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-11-03 03:57:37,365 FATAL L? ?]: Ignoring exception! java.lang.UnsupportedOperationException: SIMPLIFY_QUICK does not support simplification with respect to context at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.SmtUtils.simplify(SmtUtils.java:157) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.SmtUtils.simplifyWithStatistics(SmtUtils.java:239) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.ElimStorePlain.eliminateOne(ElimStorePlain.java:625) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.ElimStorePlain.doElimAllRec(ElimStorePlain.java:520) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.ElimStorePlain.doElimOneRec(ElimStorePlain.java:301) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.ElimStorePlain.eliminateOne(ElimStorePlain.java:607) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.ElimStorePlain.doElimAllRec(ElimStorePlain.java:520) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.ElimStorePlain.startRecursiveElimination(ElimStorePlain.java:242) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.PartialQuantifierElimination.elim(PartialQuantifierElimination.java:402) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.PartialQuantifierElimination.quantifier(PartialQuantifierElimination.java:228) at de.uni_freiburg.informatik.ultimate.lib.sifa.SymbolicTools$EliminatingTermDomainOperationProvider.newQuantifier(SymbolicTools.java:279) at de.uni_freiburg.informatik.ultimate.lib.sifa.SymbolicTools$EliminatingTermDomainOperationProvider.projectExistentially(SymbolicTools.java:267) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.TermDomainOperationProvider.projectExistentially(TermDomainOperationProvider.java:1) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateTransformer.strongestPostcondition(PredicateTransformer.java:131) at de.uni_freiburg.informatik.ultimate.lib.sifa.SymbolicTools.post(SymbolicTools.java:116) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.ipretInternal(DagInterpreter.java:227) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.ipretTransAndStoreLoiPred(DagInterpreter.java:209) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.ipretTrans(DagInterpreter.java:187) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.ipretNode(DagInterpreter.java:165) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.interpret(DagInterpreter.java:123) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.interpretForSingleMarker(DagInterpreter.java:97) at de.uni_freiburg.informatik.ultimate.lib.sifa.summarizers.FixpointLoopSummarizer.summarizeInternal(FixpointLoopSummarizer.java:125) at de.uni_freiburg.informatik.ultimate.lib.sifa.summarizers.FixpointLoopSummarizer.summarize(FixpointLoopSummarizer.java:98) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.ipretLoop(DagInterpreter.java:177) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.ipretNode(DagInterpreter.java:168) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.interpret(DagInterpreter.java:123) at de.uni_freiburg.informatik.ultimate.lib.sifa.IcfgInterpreter.interpretLoisInProcedure(IcfgInterpreter.java:136) at de.uni_freiburg.informatik.ultimate.lib.sifa.IcfgInterpreter.interpret(IcfgInterpreter.java:127) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.SifaRunner.(SifaRunner.java:102) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleSifa.construct(IpTcStrategyModuleSifa.java:67) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getOrConstruct(IpTcStrategyModuleBase.java:100) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getInterpolantComputationStatus(IpTcStrategyModuleBase.java:76) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.tryExecuteInterpolantGenerator(AutomatonFreeRefinementEngine.java:268) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.generateProof(AutomatonFreeRefinementEngine.java:150) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.executeStrategy(AutomatonFreeRefinementEngine.java:140) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.(AutomatonFreeRefinementEngine.java:88) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.(TraceAbstractionRefinementEngine.java:76) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.isCounterexampleFeasible(BasicCegarLoop.java:609) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:413) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.startCegar(AbstractCegarLoop.java:348) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.runCegar(AbstractCegarLoop.java:330) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.CegarLoopUtils.getCegarLoopResult(CegarLoopUtils.java:56) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.executeCegarLoop(TraceAbstractionStarter.java:393) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseProgram(TraceAbstractionStarter.java:303) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseSequentialProgram(TraceAbstractionStarter.java:263) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:176) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:155) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:123) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2021-11-03 03:57:37,365 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2021-11-03 03:57:37,365 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 7 [2021-11-03 03:57:37,366 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1732703104] [2021-11-03 03:57:37,367 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-11-03 03:57:37,367 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-03 03:57:37,367 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-11-03 03:57:37,367 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2021-11-03 03:57:37,367 INFO L87 Difference]: Start difference. First operand 67 states and 86 transitions. Second operand has 7 states, 7 states have (on average 4.285714285714286) internal successors, (30), 7 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 03:57:37,505 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-03 03:57:37,505 INFO L93 Difference]: Finished difference Result 162 states and 215 transitions. [2021-11-03 03:57:37,505 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-03 03:57:37,506 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 4.285714285714286) internal successors, (30), 7 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 50 [2021-11-03 03:57:37,506 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-03 03:57:37,507 INFO L225 Difference]: With dead ends: 162 [2021-11-03 03:57:37,507 INFO L226 Difference]: Without dead ends: 139 [2021-11-03 03:57:37,507 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 102 GetRequests, 97 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2021-11-03 03:57:37,507 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 139 states. [2021-11-03 03:57:37,518 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 139 to 79. [2021-11-03 03:57:37,519 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 79 states, 78 states have (on average 1.3076923076923077) internal successors, (102), 78 states have internal predecessors, (102), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 03:57:37,520 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 79 states and 102 transitions. [2021-11-03 03:57:37,520 INFO L78 Accepts]: Start accepts. Automaton has 79 states and 102 transitions. Word has length 50 [2021-11-03 03:57:37,520 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-03 03:57:37,520 INFO L470 AbstractCegarLoop]: Abstraction has 79 states and 102 transitions. [2021-11-03 03:57:37,520 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 4.285714285714286) internal successors, (30), 7 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 03:57:37,521 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 102 transitions. [2021-11-03 03:57:37,521 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2021-11-03 03:57:37,521 INFO L505 BasicCegarLoop]: Found error trace [2021-11-03 03:57:37,521 INFO L513 BasicCegarLoop]: trace histogram [18, 6, 6, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-03 03:57:37,556 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7aa1670c-4658-4f22-9cb8-4e090173c09a/bin/utaipan-aC7eJsxGYH/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2021-11-03 03:57:37,749 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7aa1670c-4658-4f22-9cb8-4e090173c09a/bin/utaipan-aC7eJsxGYH/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable40 [2021-11-03 03:57:37,749 INFO L402 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-03 03:57:37,749 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-03 03:57:37,750 INFO L85 PathProgramCache]: Analyzing trace with hash -1239343424, now seen corresponding path program 1 times [2021-11-03 03:57:37,750 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-03 03:57:37,750 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [974301297] [2021-11-03 03:57:37,750 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-03 03:57:37,750 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-03 03:57:55,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-03 03:57:57,280 INFO L134 CoverageAnalysis]: Checked inductivity of 299 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 291 trivial. 0 not checked. [2021-11-03 03:57:57,280 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-03 03:57:57,281 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [974301297] [2021-11-03 03:57:57,281 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [974301297] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-03 03:57:57,281 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2107263680] [2021-11-03 03:57:57,281 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-03 03:57:57,281 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-03 03:57:57,282 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7aa1670c-4658-4f22-9cb8-4e090173c09a/bin/utaipan-aC7eJsxGYH/z3 [2021-11-03 03:57:57,292 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7aa1670c-4658-4f22-9cb8-4e090173c09a/bin/utaipan-aC7eJsxGYH/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-03 03:57:57,293 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7aa1670c-4658-4f22-9cb8-4e090173c09a/bin/utaipan-aC7eJsxGYH/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2021-11-03 03:58:04,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-03 03:58:04,776 INFO L263 TraceCheckSpWp]: Trace formula consists of 701 conjuncts, 70 conjunts are in the unsatisfiable core [2021-11-03 03:58:04,790 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-03 03:58:06,342 INFO L354 Elim1Store]: treesize reduction 2608, result has 3.9 percent of original size [2021-11-03 03:58:06,345 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 10 select indices, 10 select index equivalence classes, 1 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 67 case distinctions, treesize of input 37710 treesize of output 36707 [2021-11-03 03:59:23,428 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 13 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 7