./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/uthash-2.0.2/uthash_SAX_test3-1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version aef121e0 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_657b02f9-25de-4e6d-ace1-c1b73862ffd4/bin/uautomizer-w2VwFs6gM0/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_657b02f9-25de-4e6d-ace1-c1b73862ffd4/bin/uautomizer-w2VwFs6gM0/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_657b02f9-25de-4e6d-ace1-c1b73862ffd4/bin/uautomizer-w2VwFs6gM0/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_657b02f9-25de-4e6d-ace1-c1b73862ffd4/bin/uautomizer-w2VwFs6gM0/config/AutomizerReach.xml -i ../../sv-benchmarks/c/uthash-2.0.2/uthash_SAX_test3-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_657b02f9-25de-4e6d-ace1-c1b73862ffd4/bin/uautomizer-w2VwFs6gM0/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_657b02f9-25de-4e6d-ace1-c1b73862ffd4/bin/uautomizer-w2VwFs6gM0 --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 Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash a379a11019678fc2a367efcf212f49fd3083d5f94e928c550866b32de723f686 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-aef121e [2021-11-22 15:03:31,148 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-22 15:03:31,150 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-22 15:03:31,210 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-22 15:03:31,211 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-22 15:03:31,216 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-22 15:03:31,219 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-22 15:03:31,224 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-22 15:03:31,226 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-22 15:03:31,234 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-22 15:03:31,235 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-22 15:03:31,237 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-22 15:03:31,238 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-22 15:03:31,241 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-22 15:03:31,243 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-22 15:03:31,249 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-22 15:03:31,251 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-22 15:03:31,252 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-22 15:03:31,258 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-22 15:03:31,265 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-22 15:03:31,267 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-22 15:03:31,269 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-22 15:03:31,272 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-22 15:03:31,273 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-22 15:03:31,279 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-22 15:03:31,280 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-22 15:03:31,280 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-22 15:03:31,283 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-22 15:03:31,284 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-22 15:03:31,285 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-22 15:03:31,286 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-22 15:03:31,286 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-22 15:03:31,289 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-22 15:03:31,290 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-22 15:03:31,292 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-22 15:03:31,292 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-22 15:03:31,293 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-22 15:03:31,293 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-22 15:03:31,293 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-22 15:03:31,294 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-22 15:03:31,295 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-22 15:03:31,296 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_657b02f9-25de-4e6d-ace1-c1b73862ffd4/bin/uautomizer-w2VwFs6gM0/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-11-22 15:03:31,348 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-22 15:03:31,348 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-22 15:03:31,349 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-22 15:03:31,349 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-22 15:03:31,356 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-22 15:03:31,357 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-22 15:03:31,357 INFO L138 SettingsManager]: * Use SBE=true [2021-11-22 15:03:31,358 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-22 15:03:31,358 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-22 15:03:31,358 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-22 15:03:31,359 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-22 15:03:31,359 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-22 15:03:31,360 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-22 15:03:31,360 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-22 15:03:31,360 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-22 15:03:31,360 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-22 15:03:31,361 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-22 15:03:31,361 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-22 15:03:31,361 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-22 15:03:31,361 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-22 15:03:31,361 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-22 15:03:31,362 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-22 15:03:31,362 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-22 15:03:31,362 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-22 15:03:31,362 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-22 15:03:31,363 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-22 15:03:31,363 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-11-22 15:03:31,363 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-22 15:03:31,363 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-11-22 15:03:31,365 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-11-22 15:03:31,366 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-22 15:03:31,366 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-22 15:03:31,366 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_657b02f9-25de-4e6d-ace1-c1b73862ffd4/bin/uautomizer-w2VwFs6gM0/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_657b02f9-25de-4e6d-ace1-c1b73862ffd4/bin/uautomizer-w2VwFs6gM0 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a379a11019678fc2a367efcf212f49fd3083d5f94e928c550866b32de723f686 [2021-11-22 15:03:31,633 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-22 15:03:31,677 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-22 15:03:31,680 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-22 15:03:31,682 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-22 15:03:31,682 INFO L275 PluginConnector]: CDTParser initialized [2021-11-22 15:03:31,684 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_657b02f9-25de-4e6d-ace1-c1b73862ffd4/bin/uautomizer-w2VwFs6gM0/../../sv-benchmarks/c/uthash-2.0.2/uthash_SAX_test3-1.i [2021-11-22 15:03:31,754 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_657b02f9-25de-4e6d-ace1-c1b73862ffd4/bin/uautomizer-w2VwFs6gM0/data/87595fd37/0142fca9956a41f399af59e1e76c1e18/FLAGf5a0f16bc [2021-11-22 15:03:32,327 INFO L306 CDTParser]: Found 1 translation units. [2021-11-22 15:03:32,327 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_657b02f9-25de-4e6d-ace1-c1b73862ffd4/sv-benchmarks/c/uthash-2.0.2/uthash_SAX_test3-1.i [2021-11-22 15:03:32,363 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_657b02f9-25de-4e6d-ace1-c1b73862ffd4/bin/uautomizer-w2VwFs6gM0/data/87595fd37/0142fca9956a41f399af59e1e76c1e18/FLAGf5a0f16bc [2021-11-22 15:03:32,561 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_657b02f9-25de-4e6d-ace1-c1b73862ffd4/bin/uautomizer-w2VwFs6gM0/data/87595fd37/0142fca9956a41f399af59e1e76c1e18 [2021-11-22 15:03:32,564 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-22 15:03:32,565 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-22 15:03:32,573 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-22 15:03:32,573 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-22 15:03:32,577 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-22 15:03:32,578 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 03:03:32" (1/1) ... [2021-11-22 15:03:32,579 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6ca103d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 03:03:32, skipping insertion in model container [2021-11-22 15:03:32,580 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 03:03:32" (1/1) ... [2021-11-22 15:03:32,587 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-22 15:03:32,649 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-22 15:03:33,086 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_657b02f9-25de-4e6d-ace1-c1b73862ffd4/sv-benchmarks/c/uthash-2.0.2/uthash_SAX_test3-1.i[33021,33034] [2021-11-22 15:03:33,184 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_657b02f9-25de-4e6d-ace1-c1b73862ffd4/sv-benchmarks/c/uthash-2.0.2/uthash_SAX_test3-1.i[44590,44603] [2021-11-22 15:03:33,191 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-22 15:03:33,200 INFO L203 MainTranslator]: Completed pre-run [2021-11-22 15:03:33,234 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_657b02f9-25de-4e6d-ace1-c1b73862ffd4/sv-benchmarks/c/uthash-2.0.2/uthash_SAX_test3-1.i[33021,33034] [2021-11-22 15:03:33,294 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_657b02f9-25de-4e6d-ace1-c1b73862ffd4/sv-benchmarks/c/uthash-2.0.2/uthash_SAX_test3-1.i[44590,44603] [2021-11-22 15:03:33,297 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-22 15:03:33,354 INFO L208 MainTranslator]: Completed translation [2021-11-22 15:03:33,354 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 03:03:33 WrapperNode [2021-11-22 15:03:33,355 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-22 15:03:33,356 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-22 15:03:33,356 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-22 15:03:33,356 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-22 15:03:33,364 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 03:03:33" (1/1) ... [2021-11-22 15:03:33,434 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 03:03:33" (1/1) ... [2021-11-22 15:03:33,511 INFO L137 Inliner]: procedures = 177, calls = 285, calls flagged for inlining = 11, calls inlined = 11, statements flattened = 1056 [2021-11-22 15:03:33,520 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-22 15:03:33,522 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-22 15:03:33,522 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-22 15:03:33,522 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-22 15:03:33,531 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 03:03:33" (1/1) ... [2021-11-22 15:03:33,531 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 03:03:33" (1/1) ... [2021-11-22 15:03:33,556 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 03:03:33" (1/1) ... [2021-11-22 15:03:33,557 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 03:03:33" (1/1) ... [2021-11-22 15:03:33,624 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 03:03:33" (1/1) ... [2021-11-22 15:03:33,645 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 03:03:33" (1/1) ... [2021-11-22 15:03:33,664 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 03:03:33" (1/1) ... [2021-11-22 15:03:33,675 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-22 15:03:33,685 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-22 15:03:33,685 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-22 15:03:33,685 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-22 15:03:33,687 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 03:03:33" (1/1) ... [2021-11-22 15:03:33,696 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-22 15:03:33,717 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_657b02f9-25de-4e6d-ace1-c1b73862ffd4/bin/uautomizer-w2VwFs6gM0/z3 [2021-11-22 15:03:33,735 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_657b02f9-25de-4e6d-ace1-c1b73862ffd4/bin/uautomizer-w2VwFs6gM0/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-22 15:03:33,748 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_657b02f9-25de-4e6d-ace1-c1b73862ffd4/bin/uautomizer-w2VwFs6gM0/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-22 15:03:33,781 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-22 15:03:33,781 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-22 15:03:33,781 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-22 15:03:33,781 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-22 15:03:33,782 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-22 15:03:33,782 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-22 15:03:33,782 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2021-11-22 15:03:33,782 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-22 15:03:33,783 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-22 15:03:33,783 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-22 15:03:33,783 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-22 15:03:33,784 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-22 15:03:34,082 INFO L236 CfgBuilder]: Building ICFG [2021-11-22 15:03:34,084 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-22 15:03:35,033 INFO L277 CfgBuilder]: Performing block encoding [2021-11-22 15:03:35,044 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-22 15:03:35,044 INFO L301 CfgBuilder]: Removed 63 assume(true) statements. [2021-11-22 15:03:35,047 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 03:03:35 BoogieIcfgContainer [2021-11-22 15:03:35,047 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-22 15:03:35,049 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-22 15:03:35,049 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-22 15:03:35,052 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-22 15:03:35,053 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.11 03:03:32" (1/3) ... [2021-11-22 15:03:35,053 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@269b5b2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 03:03:35, skipping insertion in model container [2021-11-22 15:03:35,054 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 03:03:33" (2/3) ... [2021-11-22 15:03:35,054 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@269b5b2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 03:03:35, skipping insertion in model container [2021-11-22 15:03:35,054 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 03:03:35" (3/3) ... [2021-11-22 15:03:35,055 INFO L111 eAbstractionObserver]: Analyzing ICFG uthash_SAX_test3-1.i [2021-11-22 15:03:35,061 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-22 15:03:35,061 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 6 error locations. [2021-11-22 15:03:35,113 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-22 15:03:35,120 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=PETRI_NET, 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 [2021-11-22 15:03:35,121 INFO L340 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2021-11-22 15:03:35,146 INFO L276 IsEmpty]: Start isEmpty. Operand has 207 states, 200 states have (on average 1.705) internal successors, (341), 206 states have internal predecessors, (341), 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) [2021-11-22 15:03:35,152 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2021-11-22 15:03:35,152 INFO L506 BasicCegarLoop]: Found error trace [2021-11-22 15:03:35,153 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-22 15:03:35,154 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2021-11-22 15:03:35,159 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 15:03:35,159 INFO L85 PathProgramCache]: Analyzing trace with hash 239232295, now seen corresponding path program 1 times [2021-11-22 15:03:35,168 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-22 15:03:35,169 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1960231769] [2021-11-22 15:03:35,169 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 15:03:35,170 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 15:03:35,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 15:03:35,341 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 15:03:35,342 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-22 15:03:35,342 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1960231769] [2021-11-22 15:03:35,344 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1960231769] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-22 15:03:35,344 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-22 15:03:35,345 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-22 15:03:35,346 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1607869229] [2021-11-22 15:03:35,347 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-22 15:03:35,352 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-11-22 15:03:35,353 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-22 15:03:35,389 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-11-22 15:03:35,390 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-11-22 15:03:35,396 INFO L87 Difference]: Start difference. First operand has 207 states, 200 states have (on average 1.705) internal successors, (341), 206 states have internal predecessors, (341), 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 2 states, 2 states have (on average 4.5) internal successors, (9), 2 states have internal predecessors, (9), 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) [2021-11-22 15:03:35,458 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-22 15:03:35,460 INFO L93 Difference]: Finished difference Result 412 states and 680 transitions. [2021-11-22 15:03:35,461 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-22 15:03:35,463 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 4.5) internal successors, (9), 2 states have internal predecessors, (9), 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 9 [2021-11-22 15:03:35,463 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-22 15:03:35,479 INFO L225 Difference]: With dead ends: 412 [2021-11-22 15:03:35,479 INFO L226 Difference]: Without dead ends: 203 [2021-11-22 15:03:35,484 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-11-22 15:03:35,489 INFO L933 BasicCegarLoop]: 268 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 268 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-11-22 15:03:35,490 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 268 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-11-22 15:03:35,510 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 203 states. [2021-11-22 15:03:35,557 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 203 to 203. [2021-11-22 15:03:35,560 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 203 states, 197 states have (on average 1.3401015228426396) internal successors, (264), 202 states have internal predecessors, (264), 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) [2021-11-22 15:03:35,565 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 203 states to 203 states and 264 transitions. [2021-11-22 15:03:35,566 INFO L78 Accepts]: Start accepts. Automaton has 203 states and 264 transitions. Word has length 9 [2021-11-22 15:03:35,566 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-22 15:03:35,566 INFO L470 AbstractCegarLoop]: Abstraction has 203 states and 264 transitions. [2021-11-22 15:03:35,566 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 4.5) internal successors, (9), 2 states have internal predecessors, (9), 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) [2021-11-22 15:03:35,567 INFO L276 IsEmpty]: Start isEmpty. Operand 203 states and 264 transitions. [2021-11-22 15:03:35,567 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-22 15:03:35,567 INFO L506 BasicCegarLoop]: Found error trace [2021-11-22 15:03:35,567 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-22 15:03:35,568 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-22 15:03:35,578 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2021-11-22 15:03:35,579 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 15:03:35,579 INFO L85 PathProgramCache]: Analyzing trace with hash -1042319138, now seen corresponding path program 1 times [2021-11-22 15:03:35,579 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-22 15:03:35,580 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [234609567] [2021-11-22 15:03:35,580 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 15:03:35,580 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 15:03:35,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 15:03:35,667 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 15:03:35,667 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-22 15:03:35,667 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [234609567] [2021-11-22 15:03:35,668 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [234609567] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-22 15:03:35,668 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-22 15:03:35,668 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-22 15:03:35,668 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1920435540] [2021-11-22 15:03:35,669 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-22 15:03:35,670 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-22 15:03:35,670 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-22 15:03:35,671 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-22 15:03:35,671 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-22 15:03:35,671 INFO L87 Difference]: Start difference. First operand 203 states and 264 transitions. Second operand has 4 states, 4 states have (on average 3.0) internal successors, (12), 4 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) [2021-11-22 15:03:36,196 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-22 15:03:36,197 INFO L93 Difference]: Finished difference Result 460 states and 597 transitions. [2021-11-22 15:03:36,198 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-22 15:03:36,198 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 3.0) internal successors, (12), 4 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 [2021-11-22 15:03:36,198 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-22 15:03:36,201 INFO L225 Difference]: With dead ends: 460 [2021-11-22 15:03:36,201 INFO L226 Difference]: Without dead ends: 347 [2021-11-22 15:03:36,202 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-22 15:03:36,206 INFO L933 BasicCegarLoop]: 235 mSDtfsCounter, 178 mSDsluCounter, 422 mSDsCounter, 0 mSdLazyCounter, 158 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 178 SdHoareTripleChecker+Valid, 657 SdHoareTripleChecker+Invalid, 161 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 158 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2021-11-22 15:03:36,207 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [178 Valid, 657 Invalid, 161 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 158 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2021-11-22 15:03:36,211 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 347 states. [2021-11-22 15:03:36,227 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 347 to 205. [2021-11-22 15:03:36,228 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 205 states, 199 states have (on average 1.3366834170854272) internal successors, (266), 204 states have internal predecessors, (266), 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) [2021-11-22 15:03:36,233 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 205 states to 205 states and 266 transitions. [2021-11-22 15:03:36,235 INFO L78 Accepts]: Start accepts. Automaton has 205 states and 266 transitions. Word has length 12 [2021-11-22 15:03:36,236 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-22 15:03:36,236 INFO L470 AbstractCegarLoop]: Abstraction has 205 states and 266 transitions. [2021-11-22 15:03:36,236 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 3.0) internal successors, (12), 4 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) [2021-11-22 15:03:36,237 INFO L276 IsEmpty]: Start isEmpty. Operand 205 states and 266 transitions. [2021-11-22 15:03:36,240 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2021-11-22 15:03:36,241 INFO L506 BasicCegarLoop]: Found error trace [2021-11-22 15:03:36,241 INFO L514 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-22 15:03:36,242 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-11-22 15:03:36,249 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2021-11-22 15:03:36,250 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 15:03:36,250 INFO L85 PathProgramCache]: Analyzing trace with hash 168111628, now seen corresponding path program 1 times [2021-11-22 15:03:36,250 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-22 15:03:36,251 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [142846847] [2021-11-22 15:03:36,251 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 15:03:36,251 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 15:03:36,297 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-22 15:03:36,297 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1846273481] [2021-11-22 15:03:36,297 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 15:03:36,298 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-22 15:03:36,298 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_657b02f9-25de-4e6d-ace1-c1b73862ffd4/bin/uautomizer-w2VwFs6gM0/z3 [2021-11-22 15:03:36,306 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_657b02f9-25de-4e6d-ace1-c1b73862ffd4/bin/uautomizer-w2VwFs6gM0/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-22 15:03:36,324 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_657b02f9-25de-4e6d-ace1-c1b73862ffd4/bin/uautomizer-w2VwFs6gM0/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-11-22 15:03:36,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 15:03:36,486 INFO L263 TraceCheckSpWp]: Trace formula consists of 222 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-22 15:03:36,500 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 15:03:36,725 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 15:03:36,726 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-22 15:03:36,726 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-22 15:03:36,726 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [142846847] [2021-11-22 15:03:36,727 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-22 15:03:36,727 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1846273481] [2021-11-22 15:03:36,727 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1846273481] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-22 15:03:36,727 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-22 15:03:36,727 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-22 15:03:36,728 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1263643297] [2021-11-22 15:03:36,728 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-22 15:03:36,729 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-22 15:03:36,729 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-22 15:03:36,729 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-22 15:03:36,729 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-22 15:03:36,730 INFO L87 Difference]: Start difference. First operand 205 states and 266 transitions. Second operand has 3 states, 3 states have (on average 21.333333333333332) internal successors, (64), 3 states have internal predecessors, (64), 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) [2021-11-22 15:03:36,823 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-22 15:03:36,824 INFO L93 Difference]: Finished difference Result 427 states and 559 transitions. [2021-11-22 15:03:36,824 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-22 15:03:36,825 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 21.333333333333332) internal successors, (64), 3 states have internal predecessors, (64), 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 64 [2021-11-22 15:03:36,825 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-22 15:03:36,826 INFO L225 Difference]: With dead ends: 427 [2021-11-22 15:03:36,827 INFO L226 Difference]: Without dead ends: 226 [2021-11-22 15:03:36,828 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 63 GetRequests, 62 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-22 15:03:36,830 INFO L933 BasicCegarLoop]: 244 mSDtfsCounter, 9 mSDsluCounter, 229 mSDsCounter, 0 mSdLazyCounter, 44 mSolverCounterSat, 28 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9 SdHoareTripleChecker+Valid, 473 SdHoareTripleChecker+Invalid, 72 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 28 IncrementalHoareTripleChecker+Valid, 44 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-11-22 15:03:36,830 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [9 Valid, 473 Invalid, 72 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [28 Valid, 44 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-11-22 15:03:36,832 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 226 states. [2021-11-22 15:03:36,840 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 226 to 225. [2021-11-22 15:03:36,841 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 225 states, 219 states have (on average 1.3059360730593608) internal successors, (286), 224 states have internal predecessors, (286), 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) [2021-11-22 15:03:36,842 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 225 states to 225 states and 286 transitions. [2021-11-22 15:03:36,843 INFO L78 Accepts]: Start accepts. Automaton has 225 states and 286 transitions. Word has length 64 [2021-11-22 15:03:36,843 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-22 15:03:36,843 INFO L470 AbstractCegarLoop]: Abstraction has 225 states and 286 transitions. [2021-11-22 15:03:36,843 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 21.333333333333332) internal successors, (64), 3 states have internal predecessors, (64), 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) [2021-11-22 15:03:36,844 INFO L276 IsEmpty]: Start isEmpty. Operand 225 states and 286 transitions. [2021-11-22 15:03:36,846 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2021-11-22 15:03:36,847 INFO L506 BasicCegarLoop]: Found error trace [2021-11-22 15:03:36,847 INFO L514 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-22 15:03:36,888 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_657b02f9-25de-4e6d-ace1-c1b73862ffd4/bin/uautomizer-w2VwFs6gM0/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2021-11-22 15:03:37,060 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_657b02f9-25de-4e6d-ace1-c1b73862ffd4/bin/uautomizer-w2VwFs6gM0/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-22 15:03:37,061 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2021-11-22 15:03:37,062 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 15:03:37,062 INFO L85 PathProgramCache]: Analyzing trace with hash 521200010, now seen corresponding path program 1 times [2021-11-22 15:03:37,062 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-22 15:03:37,062 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [908260599] [2021-11-22 15:03:37,062 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 15:03:37,063 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 15:03:37,084 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-22 15:03:37,084 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1868472336] [2021-11-22 15:03:37,085 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 15:03:37,085 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-22 15:03:37,085 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_657b02f9-25de-4e6d-ace1-c1b73862ffd4/bin/uautomizer-w2VwFs6gM0/z3 [2021-11-22 15:03:37,086 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_657b02f9-25de-4e6d-ace1-c1b73862ffd4/bin/uautomizer-w2VwFs6gM0/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-22 15:03:37,094 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_657b02f9-25de-4e6d-ace1-c1b73862ffd4/bin/uautomizer-w2VwFs6gM0/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2021-11-22 15:03:37,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 15:03:37,278 INFO L263 TraceCheckSpWp]: Trace formula consists of 224 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-22 15:03:37,284 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 15:03:37,425 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 15:03:37,425 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-22 15:03:37,426 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-22 15:03:37,426 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [908260599] [2021-11-22 15:03:37,426 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-22 15:03:37,428 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1868472336] [2021-11-22 15:03:37,432 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1868472336] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-22 15:03:37,432 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-22 15:03:37,433 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-22 15:03:37,433 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [886105396] [2021-11-22 15:03:37,433 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-22 15:03:37,433 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-22 15:03:37,434 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-22 15:03:37,434 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-22 15:03:37,434 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-22 15:03:37,434 INFO L87 Difference]: Start difference. First operand 225 states and 286 transitions. Second operand has 4 states, 4 states have (on average 16.0) internal successors, (64), 4 states have internal predecessors, (64), 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) [2021-11-22 15:03:37,520 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-22 15:03:37,520 INFO L93 Difference]: Finished difference Result 438 states and 560 transitions. [2021-11-22 15:03:37,521 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-22 15:03:37,521 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 16.0) internal successors, (64), 4 states have internal predecessors, (64), 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 64 [2021-11-22 15:03:37,521 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-22 15:03:37,523 INFO L225 Difference]: With dead ends: 438 [2021-11-22 15:03:37,523 INFO L226 Difference]: Without dead ends: 217 [2021-11-22 15:03:37,524 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 64 GetRequests, 61 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-22 15:03:37,525 INFO L933 BasicCegarLoop]: 244 mSDtfsCounter, 252 mSDsluCounter, 240 mSDsCounter, 0 mSdLazyCounter, 42 mSolverCounterSat, 24 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 252 SdHoareTripleChecker+Valid, 484 SdHoareTripleChecker+Invalid, 66 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 24 IncrementalHoareTripleChecker+Valid, 42 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-11-22 15:03:37,525 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [252 Valid, 484 Invalid, 66 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [24 Valid, 42 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-11-22 15:03:37,527 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 217 states. [2021-11-22 15:03:37,534 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 217 to 211. [2021-11-22 15:03:37,534 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 211 states, 205 states have (on average 1.2926829268292683) internal successors, (265), 210 states have internal predecessors, (265), 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) [2021-11-22 15:03:37,535 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 211 states and 265 transitions. [2021-11-22 15:03:37,536 INFO L78 Accepts]: Start accepts. Automaton has 211 states and 265 transitions. Word has length 64 [2021-11-22 15:03:37,536 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-22 15:03:37,536 INFO L470 AbstractCegarLoop]: Abstraction has 211 states and 265 transitions. [2021-11-22 15:03:37,536 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 16.0) internal successors, (64), 4 states have internal predecessors, (64), 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) [2021-11-22 15:03:37,537 INFO L276 IsEmpty]: Start isEmpty. Operand 211 states and 265 transitions. [2021-11-22 15:03:37,539 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2021-11-22 15:03:37,539 INFO L506 BasicCegarLoop]: Found error trace [2021-11-22 15:03:37,539 INFO L514 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-22 15:03:37,577 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_657b02f9-25de-4e6d-ace1-c1b73862ffd4/bin/uautomizer-w2VwFs6gM0/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2021-11-22 15:03:37,761 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_657b02f9-25de-4e6d-ace1-c1b73862ffd4/bin/uautomizer-w2VwFs6gM0/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-22 15:03:37,761 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2021-11-22 15:03:37,762 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 15:03:37,762 INFO L85 PathProgramCache]: Analyzing trace with hash -1012352744, now seen corresponding path program 1 times [2021-11-22 15:03:37,762 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-22 15:03:37,762 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [286275385] [2021-11-22 15:03:37,762 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 15:03:37,763 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 15:03:37,780 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-22 15:03:37,780 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1131518993] [2021-11-22 15:03:37,780 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 15:03:37,780 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-22 15:03:37,781 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_657b02f9-25de-4e6d-ace1-c1b73862ffd4/bin/uautomizer-w2VwFs6gM0/z3 [2021-11-22 15:03:37,782 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_657b02f9-25de-4e6d-ace1-c1b73862ffd4/bin/uautomizer-w2VwFs6gM0/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-22 15:03:37,788 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_657b02f9-25de-4e6d-ace1-c1b73862ffd4/bin/uautomizer-w2VwFs6gM0/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2021-11-22 15:03:37,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 15:03:37,955 INFO L263 TraceCheckSpWp]: Trace formula consists of 210 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-22 15:03:37,964 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 15:03:38,235 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 15:03:38,235 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-22 15:03:38,236 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-22 15:03:38,236 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [286275385] [2021-11-22 15:03:38,236 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-22 15:03:38,236 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1131518993] [2021-11-22 15:03:38,236 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1131518993] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-22 15:03:38,237 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-22 15:03:38,237 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-22 15:03:38,237 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [557137943] [2021-11-22 15:03:38,237 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-22 15:03:38,238 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-22 15:03:38,238 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-22 15:03:38,238 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-22 15:03:38,239 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-22 15:03:38,239 INFO L87 Difference]: Start difference. First operand 211 states and 265 transitions. Second operand has 3 states, 3 states have (on average 21.333333333333332) internal successors, (64), 3 states have internal predecessors, (64), 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) [2021-11-22 15:03:38,345 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-22 15:03:38,346 INFO L93 Difference]: Finished difference Result 557 states and 698 transitions. [2021-11-22 15:03:38,346 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-22 15:03:38,346 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 21.333333333333332) internal successors, (64), 3 states have internal predecessors, (64), 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 64 [2021-11-22 15:03:38,347 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-22 15:03:38,349 INFO L225 Difference]: With dead ends: 557 [2021-11-22 15:03:38,349 INFO L226 Difference]: Without dead ends: 350 [2021-11-22 15:03:38,349 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 63 GetRequests, 62 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-22 15:03:38,350 INFO L933 BasicCegarLoop]: 333 mSDtfsCounter, 137 mSDsluCounter, 226 mSDsCounter, 0 mSdLazyCounter, 27 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 137 SdHoareTripleChecker+Valid, 559 SdHoareTripleChecker+Invalid, 32 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 27 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-11-22 15:03:38,351 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [137 Valid, 559 Invalid, 32 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 27 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-11-22 15:03:38,352 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 350 states. [2021-11-22 15:03:38,360 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 350 to 317. [2021-11-22 15:03:38,361 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 317 states, 311 states have (on average 1.279742765273312) internal successors, (398), 316 states have internal predecessors, (398), 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) [2021-11-22 15:03:38,363 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 317 states to 317 states and 398 transitions. [2021-11-22 15:03:38,363 INFO L78 Accepts]: Start accepts. Automaton has 317 states and 398 transitions. Word has length 64 [2021-11-22 15:03:38,363 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-22 15:03:38,364 INFO L470 AbstractCegarLoop]: Abstraction has 317 states and 398 transitions. [2021-11-22 15:03:38,364 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 21.333333333333332) internal successors, (64), 3 states have internal predecessors, (64), 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) [2021-11-22 15:03:38,364 INFO L276 IsEmpty]: Start isEmpty. Operand 317 states and 398 transitions. [2021-11-22 15:03:38,366 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2021-11-22 15:03:38,366 INFO L506 BasicCegarLoop]: Found error trace [2021-11-22 15:03:38,367 INFO L514 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-22 15:03:38,402 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_657b02f9-25de-4e6d-ace1-c1b73862ffd4/bin/uautomizer-w2VwFs6gM0/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2021-11-22 15:03:38,585 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_657b02f9-25de-4e6d-ace1-c1b73862ffd4/bin/uautomizer-w2VwFs6gM0/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-22 15:03:38,585 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2021-11-22 15:03:38,585 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 15:03:38,586 INFO L85 PathProgramCache]: Analyzing trace with hash -147792665, now seen corresponding path program 1 times [2021-11-22 15:03:38,586 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-22 15:03:38,586 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1170880645] [2021-11-22 15:03:38,586 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 15:03:38,586 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 15:03:38,606 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-22 15:03:38,607 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [930814532] [2021-11-22 15:03:38,607 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 15:03:38,607 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-22 15:03:38,607 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_657b02f9-25de-4e6d-ace1-c1b73862ffd4/bin/uautomizer-w2VwFs6gM0/z3 [2021-11-22 15:03:38,608 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_657b02f9-25de-4e6d-ace1-c1b73862ffd4/bin/uautomizer-w2VwFs6gM0/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-22 15:03:38,612 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_657b02f9-25de-4e6d-ace1-c1b73862ffd4/bin/uautomizer-w2VwFs6gM0/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2021-11-22 15:03:38,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 15:03:38,811 INFO L263 TraceCheckSpWp]: Trace formula consists of 294 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-22 15:03:38,822 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 15:03:38,982 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2021-11-22 15:03:38,996 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 7 [2021-11-22 15:03:39,014 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-22 15:03:39,014 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-22 15:03:39,014 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-22 15:03:39,014 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1170880645] [2021-11-22 15:03:39,015 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-22 15:03:39,015 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [930814532] [2021-11-22 15:03:39,015 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [930814532] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-22 15:03:39,015 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-22 15:03:39,015 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-22 15:03:39,016 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [40053746] [2021-11-22 15:03:39,016 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-22 15:03:39,016 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-22 15:03:39,017 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-22 15:03:39,017 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-22 15:03:39,017 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-22 15:03:39,018 INFO L87 Difference]: Start difference. First operand 317 states and 398 transitions. Second operand has 4 states, 4 states have (on average 17.5) internal successors, (70), 4 states have internal predecessors, (70), 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) [2021-11-22 15:03:39,358 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-22 15:03:39,359 INFO L93 Difference]: Finished difference Result 431 states and 547 transitions. [2021-11-22 15:03:39,359 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-22 15:03:39,359 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 17.5) internal successors, (70), 4 states have internal predecessors, (70), 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 71 [2021-11-22 15:03:39,360 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-22 15:03:39,362 INFO L225 Difference]: With dead ends: 431 [2021-11-22 15:03:39,362 INFO L226 Difference]: Without dead ends: 401 [2021-11-22 15:03:39,362 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 71 GetRequests, 68 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-22 15:03:39,363 INFO L933 BasicCegarLoop]: 236 mSDtfsCounter, 135 mSDsluCounter, 423 mSDsCounter, 0 mSdLazyCounter, 135 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 135 SdHoareTripleChecker+Valid, 659 SdHoareTripleChecker+Invalid, 138 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 135 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2021-11-22 15:03:39,364 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [135 Valid, 659 Invalid, 138 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 135 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2021-11-22 15:03:39,365 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 401 states. [2021-11-22 15:03:39,374 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 401 to 319. [2021-11-22 15:03:39,375 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 319 states, 313 states have (on average 1.2779552715654952) internal successors, (400), 318 states have internal predecessors, (400), 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) [2021-11-22 15:03:39,376 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 319 states to 319 states and 400 transitions. [2021-11-22 15:03:39,376 INFO L78 Accepts]: Start accepts. Automaton has 319 states and 400 transitions. Word has length 71 [2021-11-22 15:03:39,377 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-22 15:03:39,377 INFO L470 AbstractCegarLoop]: Abstraction has 319 states and 400 transitions. [2021-11-22 15:03:39,377 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 17.5) internal successors, (70), 4 states have internal predecessors, (70), 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) [2021-11-22 15:03:39,377 INFO L276 IsEmpty]: Start isEmpty. Operand 319 states and 400 transitions. [2021-11-22 15:03:39,379 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2021-11-22 15:03:39,379 INFO L506 BasicCegarLoop]: Found error trace [2021-11-22 15:03:39,379 INFO L514 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-22 15:03:39,410 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_657b02f9-25de-4e6d-ace1-c1b73862ffd4/bin/uautomizer-w2VwFs6gM0/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2021-11-22 15:03:39,600 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_657b02f9-25de-4e6d-ace1-c1b73862ffd4/bin/uautomizer-w2VwFs6gM0/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-22 15:03:39,601 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2021-11-22 15:03:39,601 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 15:03:39,601 INFO L85 PathProgramCache]: Analyzing trace with hash -2000986198, now seen corresponding path program 1 times [2021-11-22 15:03:39,601 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-22 15:03:39,601 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [150282229] [2021-11-22 15:03:39,602 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 15:03:39,602 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 15:03:39,617 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-22 15:03:39,617 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1495406625] [2021-11-22 15:03:39,618 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 15:03:39,618 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-22 15:03:39,618 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_657b02f9-25de-4e6d-ace1-c1b73862ffd4/bin/uautomizer-w2VwFs6gM0/z3 [2021-11-22 15:03:39,619 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_657b02f9-25de-4e6d-ace1-c1b73862ffd4/bin/uautomizer-w2VwFs6gM0/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-22 15:03:39,648 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_657b02f9-25de-4e6d-ace1-c1b73862ffd4/bin/uautomizer-w2VwFs6gM0/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2021-11-22 15:03:39,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 15:03:39,802 INFO L263 TraceCheckSpWp]: Trace formula consists of 341 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-22 15:03:39,805 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 15:03:39,947 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-22 15:03:39,947 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-22 15:03:39,947 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-22 15:03:39,947 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [150282229] [2021-11-22 15:03:39,948 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-22 15:03:39,948 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1495406625] [2021-11-22 15:03:39,948 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1495406625] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-22 15:03:39,948 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-22 15:03:39,948 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-22 15:03:39,949 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1008648930] [2021-11-22 15:03:39,949 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-22 15:03:39,949 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-22 15:03:39,949 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-22 15:03:39,950 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-22 15:03:39,950 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-22 15:03:39,950 INFO L87 Difference]: Start difference. First operand 319 states and 400 transitions. Second operand has 3 states, 3 states have (on average 34.0) internal successors, (102), 3 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) [2021-11-22 15:03:40,027 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-22 15:03:40,028 INFO L93 Difference]: Finished difference Result 535 states and 691 transitions. [2021-11-22 15:03:40,028 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-22 15:03:40,028 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 34.0) internal successors, (102), 3 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) Word has length 103 [2021-11-22 15:03:40,029 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-22 15:03:40,031 INFO L225 Difference]: With dead ends: 535 [2021-11-22 15:03:40,031 INFO L226 Difference]: Without dead ends: 361 [2021-11-22 15:03:40,032 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 102 GetRequests, 101 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-22 15:03:40,032 INFO L933 BasicCegarLoop]: 237 mSDtfsCounter, 9 mSDsluCounter, 222 mSDsCounter, 0 mSdLazyCounter, 44 mSolverCounterSat, 28 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9 SdHoareTripleChecker+Valid, 459 SdHoareTripleChecker+Invalid, 72 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 28 IncrementalHoareTripleChecker+Valid, 44 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-11-22 15:03:40,033 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [9 Valid, 459 Invalid, 72 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [28 Valid, 44 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-11-22 15:03:40,034 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 361 states. [2021-11-22 15:03:40,042 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 361 to 359. [2021-11-22 15:03:40,043 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 359 states, 353 states have (on average 1.246458923512748) internal successors, (440), 358 states have internal predecessors, (440), 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) [2021-11-22 15:03:40,045 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 359 states to 359 states and 440 transitions. [2021-11-22 15:03:40,045 INFO L78 Accepts]: Start accepts. Automaton has 359 states and 440 transitions. Word has length 103 [2021-11-22 15:03:40,046 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-22 15:03:40,046 INFO L470 AbstractCegarLoop]: Abstraction has 359 states and 440 transitions. [2021-11-22 15:03:40,046 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 34.0) internal successors, (102), 3 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) [2021-11-22 15:03:40,046 INFO L276 IsEmpty]: Start isEmpty. Operand 359 states and 440 transitions. [2021-11-22 15:03:40,047 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2021-11-22 15:03:40,047 INFO L506 BasicCegarLoop]: Found error trace [2021-11-22 15:03:40,048 INFO L514 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-22 15:03:40,085 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_657b02f9-25de-4e6d-ace1-c1b73862ffd4/bin/uautomizer-w2VwFs6gM0/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2021-11-22 15:03:40,268 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_657b02f9-25de-4e6d-ace1-c1b73862ffd4/bin/uautomizer-w2VwFs6gM0/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-22 15:03:40,269 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2021-11-22 15:03:40,269 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 15:03:40,269 INFO L85 PathProgramCache]: Analyzing trace with hash 1973776046, now seen corresponding path program 1 times [2021-11-22 15:03:40,269 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-22 15:03:40,270 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1846802734] [2021-11-22 15:03:40,270 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 15:03:40,270 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 15:03:40,285 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-22 15:03:40,286 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [669224038] [2021-11-22 15:03:40,286 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 15:03:40,286 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-22 15:03:40,286 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_657b02f9-25de-4e6d-ace1-c1b73862ffd4/bin/uautomizer-w2VwFs6gM0/z3 [2021-11-22 15:03:40,287 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_657b02f9-25de-4e6d-ace1-c1b73862ffd4/bin/uautomizer-w2VwFs6gM0/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-22 15:03:40,307 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_657b02f9-25de-4e6d-ace1-c1b73862ffd4/bin/uautomizer-w2VwFs6gM0/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2021-11-22 15:03:40,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 15:03:40,464 INFO L263 TraceCheckSpWp]: Trace formula consists of 345 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-22 15:03:40,467 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 15:03:40,604 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-22 15:03:40,605 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-22 15:03:40,605 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-22 15:03:40,605 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1846802734] [2021-11-22 15:03:40,605 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-22 15:03:40,605 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [669224038] [2021-11-22 15:03:40,606 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [669224038] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-22 15:03:40,606 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-22 15:03:40,606 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-22 15:03:40,606 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1839355626] [2021-11-22 15:03:40,606 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-22 15:03:40,607 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-22 15:03:40,607 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-22 15:03:40,607 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-22 15:03:40,608 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-22 15:03:40,608 INFO L87 Difference]: Start difference. First operand 359 states and 440 transitions. Second operand has 4 states, 4 states have (on average 25.5) internal successors, (102), 4 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) [2021-11-22 15:03:40,688 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-22 15:03:40,688 INFO L93 Difference]: Finished difference Result 550 states and 686 transitions. [2021-11-22 15:03:40,689 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-22 15:03:40,689 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 25.5) internal successors, (102), 4 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) Word has length 103 [2021-11-22 15:03:40,689 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-22 15:03:40,691 INFO L225 Difference]: With dead ends: 550 [2021-11-22 15:03:40,692 INFO L226 Difference]: Without dead ends: 336 [2021-11-22 15:03:40,692 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 103 GetRequests, 100 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-22 15:03:40,693 INFO L933 BasicCegarLoop]: 235 mSDtfsCounter, 135 mSDsluCounter, 339 mSDsCounter, 0 mSdLazyCounter, 42 mSolverCounterSat, 24 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 135 SdHoareTripleChecker+Valid, 574 SdHoareTripleChecker+Invalid, 66 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 24 IncrementalHoareTripleChecker+Valid, 42 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-11-22 15:03:40,693 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [135 Valid, 574 Invalid, 66 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [24 Valid, 42 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-11-22 15:03:40,694 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 336 states. [2021-11-22 15:03:40,703 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 336 to 331. [2021-11-22 15:03:40,704 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 331 states, 325 states have (on average 1.2246153846153847) internal successors, (398), 330 states have internal predecessors, (398), 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) [2021-11-22 15:03:40,705 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 331 states to 331 states and 398 transitions. [2021-11-22 15:03:40,705 INFO L78 Accepts]: Start accepts. Automaton has 331 states and 398 transitions. Word has length 103 [2021-11-22 15:03:40,705 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-22 15:03:40,706 INFO L470 AbstractCegarLoop]: Abstraction has 331 states and 398 transitions. [2021-11-22 15:03:40,706 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 25.5) internal successors, (102), 4 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) [2021-11-22 15:03:40,706 INFO L276 IsEmpty]: Start isEmpty. Operand 331 states and 398 transitions. [2021-11-22 15:03:40,707 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2021-11-22 15:03:40,707 INFO L506 BasicCegarLoop]: Found error trace [2021-11-22 15:03:40,707 INFO L514 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-22 15:03:40,745 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_657b02f9-25de-4e6d-ace1-c1b73862ffd4/bin/uautomizer-w2VwFs6gM0/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2021-11-22 15:03:40,920 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_657b02f9-25de-4e6d-ace1-c1b73862ffd4/bin/uautomizer-w2VwFs6gM0/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-22 15:03:40,921 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2021-11-22 15:03:40,921 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 15:03:40,921 INFO L85 PathProgramCache]: Analyzing trace with hash 1090927200, now seen corresponding path program 1 times [2021-11-22 15:03:40,922 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-22 15:03:40,922 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1539876518] [2021-11-22 15:03:40,922 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 15:03:40,922 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 15:03:40,936 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-22 15:03:40,936 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [591126] [2021-11-22 15:03:40,937 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 15:03:40,937 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-22 15:03:40,937 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_657b02f9-25de-4e6d-ace1-c1b73862ffd4/bin/uautomizer-w2VwFs6gM0/z3 [2021-11-22 15:03:40,938 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_657b02f9-25de-4e6d-ace1-c1b73862ffd4/bin/uautomizer-w2VwFs6gM0/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-22 15:03:40,946 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_657b02f9-25de-4e6d-ace1-c1b73862ffd4/bin/uautomizer-w2VwFs6gM0/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2021-11-22 15:03:41,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 15:03:41,114 INFO L263 TraceCheckSpWp]: Trace formula consists of 331 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-22 15:03:41,117 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 15:03:41,324 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 15:03:41,324 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-22 15:03:41,325 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-22 15:03:41,325 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1539876518] [2021-11-22 15:03:41,325 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-22 15:03:41,325 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [591126] [2021-11-22 15:03:41,325 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [591126] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-22 15:03:41,325 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-22 15:03:41,325 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-22 15:03:41,326 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1188438407] [2021-11-22 15:03:41,326 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-22 15:03:41,326 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-22 15:03:41,326 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-22 15:03:41,327 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-22 15:03:41,327 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-22 15:03:41,327 INFO L87 Difference]: Start difference. First operand 331 states and 398 transitions. Second operand has 4 states, 4 states have (on average 25.75) internal successors, (103), 4 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) [2021-11-22 15:03:41,650 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-22 15:03:41,650 INFO L93 Difference]: Finished difference Result 760 states and 920 transitions. [2021-11-22 15:03:41,651 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-22 15:03:41,651 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 25.75) internal successors, (103), 4 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) Word has length 103 [2021-11-22 15:03:41,651 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-22 15:03:41,654 INFO L225 Difference]: With dead ends: 760 [2021-11-22 15:03:41,654 INFO L226 Difference]: Without dead ends: 477 [2021-11-22 15:03:41,655 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 104 GetRequests, 101 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-22 15:03:41,656 INFO L933 BasicCegarLoop]: 286 mSDtfsCounter, 512 mSDsluCounter, 237 mSDsCounter, 0 mSdLazyCounter, 77 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 512 SdHoareTripleChecker+Valid, 523 SdHoareTripleChecker+Invalid, 82 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 77 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2021-11-22 15:03:41,656 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [512 Valid, 523 Invalid, 82 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 77 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2021-11-22 15:03:41,657 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 477 states. [2021-11-22 15:03:41,669 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 477 to 415. [2021-11-22 15:03:41,670 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 415 states, 409 states have (on average 1.2273838630806846) internal successors, (502), 414 states have internal predecessors, (502), 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) [2021-11-22 15:03:41,672 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 415 states to 415 states and 502 transitions. [2021-11-22 15:03:41,672 INFO L78 Accepts]: Start accepts. Automaton has 415 states and 502 transitions. Word has length 103 [2021-11-22 15:03:41,672 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-22 15:03:41,673 INFO L470 AbstractCegarLoop]: Abstraction has 415 states and 502 transitions. [2021-11-22 15:03:41,673 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 25.75) internal successors, (103), 4 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) [2021-11-22 15:03:41,673 INFO L276 IsEmpty]: Start isEmpty. Operand 415 states and 502 transitions. [2021-11-22 15:03:41,674 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2021-11-22 15:03:41,674 INFO L506 BasicCegarLoop]: Found error trace [2021-11-22 15:03:41,675 INFO L514 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-22 15:03:41,704 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_657b02f9-25de-4e6d-ace1-c1b73862ffd4/bin/uautomizer-w2VwFs6gM0/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2021-11-22 15:03:41,896 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_657b02f9-25de-4e6d-ace1-c1b73862ffd4/bin/uautomizer-w2VwFs6gM0/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-22 15:03:41,897 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2021-11-22 15:03:41,897 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 15:03:41,897 INFO L85 PathProgramCache]: Analyzing trace with hash 541561274, now seen corresponding path program 1 times [2021-11-22 15:03:41,897 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-22 15:03:41,897 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [767771776] [2021-11-22 15:03:41,898 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 15:03:41,898 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 15:03:41,927 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-22 15:03:41,928 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [782172062] [2021-11-22 15:03:41,928 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 15:03:41,928 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-22 15:03:41,928 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_657b02f9-25de-4e6d-ace1-c1b73862ffd4/bin/uautomizer-w2VwFs6gM0/z3 [2021-11-22 15:03:41,938 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_657b02f9-25de-4e6d-ace1-c1b73862ffd4/bin/uautomizer-w2VwFs6gM0/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-22 15:03:41,968 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_657b02f9-25de-4e6d-ace1-c1b73862ffd4/bin/uautomizer-w2VwFs6gM0/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2021-11-22 15:03:42,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 15:03:42,128 INFO L263 TraceCheckSpWp]: Trace formula consists of 356 conjuncts, 58 conjunts are in the unsatisfiable core [2021-11-22 15:03:42,133 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 15:03:42,151 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 6 treesize of output 5 [2021-11-22 15:03:42,159 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2021-11-22 15:03:42,213 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:03:42,214 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 14 [2021-11-22 15:03:42,287 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:03:42,291 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:03:42,292 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:03:42,293 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 38 treesize of output 29 [2021-11-22 15:03:43,248 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:03:43,249 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:03:43,250 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:03:43,251 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:03:43,253 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:03:43,254 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:03:43,254 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:03:43,258 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 7 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 75 treesize of output 57 [2021-11-22 15:03:43,270 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:03:43,271 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:03:43,272 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:03:43,273 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:03:43,274 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 37 treesize of output 42 [2021-11-22 15:03:43,359 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:03:43,363 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:03:43,364 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:03:43,365 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:03:43,365 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:03:43,366 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:03:43,367 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:03:43,368 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:03:43,369 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:03:43,370 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:03:43,371 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:03:43,373 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 11 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 57 treesize of output 54 [2021-11-22 15:03:43,438 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 35 treesize of output 31 [2021-11-22 15:03:43,443 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:03:43,470 INFO L354 Elim1Store]: treesize reduction 60, result has 34.1 percent of original size [2021-11-22 15:03:43,471 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 34 treesize of output 51 [2021-11-22 15:03:43,495 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2021-11-22 15:03:43,511 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:03:43,512 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:03:43,513 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:03:43,518 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:03:43,519 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:03:43,520 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:03:43,521 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:03:43,523 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 8 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 45 [2021-11-22 15:03:45,081 INFO L354 Elim1Store]: treesize reduction 364, result has 11.9 percent of original size [2021-11-22 15:03:45,082 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 5 new quantified variables, introduced 4 case distinctions, treesize of input 2852 treesize of output 2295 [2021-11-22 15:03:45,120 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:03:47,811 INFO L354 Elim1Store]: treesize reduction 448, result has 17.8 percent of original size [2021-11-22 15:03:47,812 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 4 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 7 new quantified variables, introduced 8 case distinctions, treesize of input 3267 treesize of output 2925 [2021-11-22 15:03:47,901 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:03:47,902 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:03:47,903 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:03:47,904 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:03:47,905 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:03:47,906 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:03:47,907 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:03:55,384 WARN L227 SmtUtils]: Spent 7.46s on a formula simplification. DAG size of input: 530 DAG size of output: 129 (called from [L 351] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2021-11-22 15:03:55,385 INFO L354 Elim1Store]: treesize reduction 11466, result has 3.6 percent of original size [2021-11-22 15:03:55,386 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 4 stores, 4 select indices, 4 select index equivalence classes, 10 disjoint index pairs (out of 6 index pairs), introduced 8 new quantified variables, introduced 32 case distinctions, treesize of input 4265 treesize of output 2296 [2021-11-22 15:03:55,581 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:03:56,126 INFO L354 Elim1Store]: treesize reduction 40, result has 32.2 percent of original size [2021-11-22 15:03:56,127 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 5 case distinctions, treesize of input 2628 treesize of output 2632 [2021-11-22 15:03:56,761 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:03:56,762 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 5 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 54 treesize of output 24 [2021-11-22 15:03:56,920 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:03:56,922 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 5 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 66 treesize of output 30 [2021-11-22 15:03:57,057 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:03:57,098 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:03:57,120 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:03:57,138 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:03:57,167 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:03:57,187 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:03:57,205 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:03:57,207 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-22 15:03:57,234 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:03:57,235 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-22 15:03:57,262 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:03:57,263 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-22 15:03:57,296 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:03:57,312 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:03:57,334 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:03:57,354 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:03:57,355 INFO L244 Elim1Store]: Index analysis took 319 ms [2021-11-22 15:03:57,356 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 8 select indices, 8 select index equivalence classes, 16 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 0 case distinctions, treesize of input 887 treesize of output 399 [2021-11-22 15:03:59,210 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:03:59,219 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:03:59,224 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:03:59,235 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:03:59,242 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:03:59,247 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:03:59,255 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-22 15:03:59,255 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 7 disjoint index pairs (out of 6 index pairs), introduced 5 new quantified variables, introduced 3 case distinctions, treesize of input 379 treesize of output 244 [2021-11-22 15:04:00,785 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:04:00,819 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:04:00,820 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:04:00,828 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:04:00,829 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:04:00,831 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:04:11,607 WARN L227 SmtUtils]: Spent 10.77s on a formula simplification. DAG size of input: 520 DAG size of output: 146 (called from [L 351] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2021-11-22 15:04:11,608 INFO L354 Elim1Store]: treesize reduction 19124, result has 2.6 percent of original size [2021-11-22 15:04:11,609 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 6 stores, 3 select indices, 3 select index equivalence classes, 8 disjoint index pairs (out of 3 index pairs), introduced 17 new quantified variables, introduced 36 case distinctions, treesize of input 123906 treesize of output 65100 [2021-11-22 15:04:12,674 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:04:12,714 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:04:12,741 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:04:12,757 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:04:12,786 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:04:12,788 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-22 15:04:12,815 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:04:12,816 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-22 15:04:12,890 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-22 15:04:13,094 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:04:13,121 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:04:13,142 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:04:13,143 INFO L244 Elim1Store]: Index analysis took 487 ms [2021-11-22 15:04:14,018 INFO L354 Elim1Store]: treesize reduction 196, result has 48.3 percent of original size [2021-11-22 15:04:14,018 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 7 select indices, 7 select index equivalence classes, 9 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 6 case distinctions, treesize of input 1844 treesize of output 1046 [2021-11-22 15:04:14,435 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-22 15:04:15,487 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:04:15,504 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:04:15,533 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:04:15,544 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:04:15,559 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:04:15,560 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-22 15:04:15,579 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:04:15,581 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-22 15:04:15,594 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:04:15,595 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-22 15:04:15,609 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:04:15,623 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:04:15,637 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:04:15,651 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:04:15,652 INFO L244 Elim1Store]: Index analysis took 178 ms [2021-11-22 15:04:15,653 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 11 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 1805 treesize of output 843 [2021-11-22 15:04:16,249 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:04:16,288 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:04:16,354 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:04:16,381 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:04:16,414 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:04:16,416 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-22 15:04:16,463 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:04:16,465 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-22 15:04:16,493 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:04:16,495 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-22 15:04:16,529 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:04:16,564 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:04:16,595 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:04:16,610 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:04:16,611 INFO L244 Elim1Store]: Index analysis took 385 ms [2021-11-22 15:04:16,612 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 11 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 1747 treesize of output 785 [2021-11-22 15:04:17,358 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-22 15:04:17,775 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:04:17,815 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:04:17,854 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:04:17,885 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:04:17,923 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:04:17,924 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-22 15:04:17,991 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-22 15:04:18,034 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-22 15:04:18,089 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:04:18,115 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:04:18,137 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:04:18,158 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:04:18,179 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:04:18,199 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:04:18,199 INFO L244 Elim1Store]: Index analysis took 473 ms [2021-11-22 15:04:18,759 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-22 15:04:18,760 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 7 select indices, 7 select index equivalence classes, 11 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 4 case distinctions, treesize of input 1914 treesize of output 1222 [2021-11-22 15:04:19,772 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:04:19,773 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:04:20,144 INFO L354 Elim1Store]: treesize reduction 246, result has 14.3 percent of original size [2021-11-22 15:04:20,145 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 7 select indices, 7 select index equivalence classes, 5 disjoint index pairs (out of 21 index pairs), introduced 14 new quantified variables, introduced 16 case distinctions, treesize of input 84007 treesize of output 66154 [2021-11-22 15:04:31,909 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:04:31,910 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:04:31,912 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:04:31,913 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:04:31,915 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:04:31,916 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:04:31,917 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:04:31,918 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:04:31,919 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:04:31,921 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:04:31,922 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:04:31,923 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:04:31,951 INFO L354 Elim1Store]: treesize reduction 4144, result has 0.0 percent of original size [2021-11-22 15:04:31,952 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 7 select indices, 7 select index equivalence classes, 15 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 15 case distinctions, treesize of input 8233 treesize of output 7333 [2021-11-22 15:04:32,477 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:04:32,478 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:04:32,479 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:04:32,480 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:04:32,482 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:04:32,497 INFO L354 Elim1Store]: treesize reduction 226, result has 0.4 percent of original size [2021-11-22 15:04:32,497 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 7 select indices, 7 select index equivalence classes, 8 disjoint index pairs (out of 21 index pairs), introduced 13 new quantified variables, introduced 16 case distinctions, treesize of input 6816 treesize of output 5282 [2021-11-22 15:04:33,311 INFO L354 Elim1Store]: treesize reduction 48, result has 2.0 percent of original size [2021-11-22 15:04:33,312 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 5 new quantified variables, introduced 3 case distinctions, treesize of input 5399 treesize of output 4185 [2021-11-22 15:04:33,718 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:04:33,719 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:04:33,720 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:04:33,721 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:04:33,723 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:04:33,724 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:04:33,725 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:04:33,725 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:04:33,726 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:04:33,728 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:04:33,729 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:04:33,730 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:04:33,731 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:04:33,732 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:04:33,732 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:04:33,733 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:04:33,734 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:04:33,740 INFO L354 Elim1Store]: treesize reduction 308, result has 0.3 percent of original size [2021-11-22 15:04:33,741 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 9 select indices, 9 select index equivalence classes, 21 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 15 case distinctions, treesize of input 5287 treesize of output 4997 [2021-11-22 15:04:34,006 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-22 15:04:34,018 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:04:34,021 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:04:34,033 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-22 15:04:34,034 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:04:34,035 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:04:34,036 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:04:34,038 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:04:34,039 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:04:34,040 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:04:34,041 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:04:34,043 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:04:34,044 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:04:34,045 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:04:34,210 INFO L354 Elim1Store]: treesize reduction 144, result has 33.6 percent of original size [2021-11-22 15:04:34,210 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 8 stores, 2 select indices, 2 select index equivalence classes, 12 disjoint index pairs (out of 1 index pairs), introduced 11 new quantified variables, introduced 9 case distinctions, treesize of input 2567 treesize of output 1465 [2021-11-22 15:04:34,379 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:04:34,384 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:04:34,386 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:04:34,389 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:04:34,392 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:04:34,395 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:04:34,397 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:04:34,400 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:04:34,402 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:04:34,404 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:04:34,406 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:04:34,408 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:04:34,410 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:04:34,416 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-22 15:04:34,417 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 16 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 8 case distinctions, treesize of input 227 treesize of output 109 [2021-11-22 15:04:34,459 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:04:34,464 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:04:34,467 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:04:34,470 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:04:34,475 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:04:34,477 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:04:34,480 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:04:34,482 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:04:34,484 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:04:34,486 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:04:34,488 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:04:34,490 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:04:34,496 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-22 15:04:34,496 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 15 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 5 case distinctions, treesize of input 215 treesize of output 109 [2021-11-22 15:04:34,514 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:04:34,515 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:04:34,515 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:04:34,516 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-22 15:04:34,517 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:04:34,517 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:04:34,518 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:04:34,519 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:04:34,520 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:04:34,521 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:04:34,529 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:04:34,534 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-22 15:04:34,535 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 11 disjoint index pairs (out of 15 index pairs), introduced 8 new quantified variables, introduced 15 case distinctions, treesize of input 2464 treesize of output 1638 [2021-11-22 15:04:34,552 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:04:34,553 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:04:34,554 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:04:34,555 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:04:34,556 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:04:34,557 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:04:34,557 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:04:34,558 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:04:34,559 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:04:34,560 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:04:34,561 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:04:34,561 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-22 15:04:34,562 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:04:34,567 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-22 15:04:34,568 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 11 disjoint index pairs (out of 15 index pairs), introduced 8 new quantified variables, introduced 15 case distinctions, treesize of input 2214 treesize of output 1424 [2021-11-22 15:04:34,583 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:04:34,584 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:04:34,585 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:04:34,586 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-22 15:04:34,586 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:04:34,587 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:04:34,588 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:04:34,589 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:04:34,590 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:04:34,590 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:04:34,591 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:04:34,597 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-22 15:04:34,597 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 11 disjoint index pairs (out of 15 index pairs), introduced 8 new quantified variables, introduced 15 case distinctions, treesize of input 1946 treesize of output 1222 [2021-11-22 15:04:34,620 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:04:34,621 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:04:34,622 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:04:34,623 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:04:34,624 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-22 15:04:34,625 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:04:34,626 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:04:34,626 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:04:34,627 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:04:34,628 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:04:34,629 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:04:34,634 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-22 15:04:34,635 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 11 disjoint index pairs (out of 15 index pairs), introduced 8 new quantified variables, introduced 15 case distinctions, treesize of input 1714 treesize of output 1092 [2021-11-22 15:04:34,650 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:04:34,651 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:04:34,652 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:04:34,663 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:04:34,664 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:04:34,665 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:04:34,666 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-22 15:04:34,667 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:04:34,668 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:04:34,669 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:04:34,670 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:04:34,675 INFO L354 Elim1Store]: treesize reduction 13, result has 7.1 percent of original size [2021-11-22 15:04:34,675 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 11 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 9 case distinctions, treesize of input 1506 treesize of output 1400 [2021-11-22 15:04:35,030 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:04:35,034 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:04:35,035 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:04:35,036 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:04:35,040 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:04:35,041 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:04:35,042 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:04:35,043 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:04:35,044 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:04:35,045 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:04:35,045 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:04:35,046 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:04:35,047 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:04:35,048 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:04:35,049 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:04:35,050 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:04:35,051 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:04:35,052 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:04:35,053 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:04:35,054 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:04:35,055 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:04:35,056 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:04:35,060 INFO L354 Elim1Store]: treesize reduction 13, result has 7.1 percent of original size [2021-11-22 15:04:35,060 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 9 select indices, 9 select index equivalence classes, 26 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 15 case distinctions, treesize of input 183 treesize of output 75 [2021-11-22 15:04:35,070 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:04:35,071 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:04:35,072 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:04:35,072 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:04:35,073 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:04:35,074 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:04:35,075 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:04:35,075 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:04:35,076 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:04:35,077 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:04:35,078 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:04:35,079 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:04:35,080 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:04:35,080 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:04:35,081 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:04:35,082 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:04:35,083 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:04:35,084 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:04:35,084 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:04:35,085 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:04:35,086 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:04:35,087 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-22 15:04:35,092 INFO L354 Elim1Store]: treesize reduction 13, result has 7.1 percent of original size [2021-11-22 15:04:35,092 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 7 select indices, 7 select index equivalence classes, 21 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 9 case distinctions, treesize of input 127 treesize of output 138 [2021-11-22 15:04:35,772 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-22 15:04:35,819 INFO L354 Elim1Store]: treesize reduction 268, result has 12.4 percent of original size [2021-11-22 15:04:35,819 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 5 new quantified variables, introduced 9 case distinctions, treesize of input 414 treesize of output 285 [2021-11-22 15:04:35,827 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:04:35,828 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:04:35,828 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:04:35,829 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:04:36,002 INFO L354 Elim1Store]: treesize reduction 1264, result has 8.5 percent of original size [2021-11-22 15:04:36,002 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 4 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 38 case distinctions, treesize of input 365 treesize of output 361 [2021-11-22 15:04:36,011 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-22 15:04:36,042 INFO L354 Elim1Store]: treesize reduction 170, result has 17.5 percent of original size [2021-11-22 15:04:36,043 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 6 new quantified variables, introduced 9 case distinctions, treesize of input 314 treesize of output 250 [2021-11-22 15:04:36,620 INFO L354 Elim1Store]: treesize reduction 1322, result has 7.6 percent of original size [2021-11-22 15:04:36,620 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 6 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 46 case distinctions, treesize of input 299 treesize of output 283 [2021-11-22 15:04:36,636 INFO L354 Elim1Store]: treesize reduction 52, result has 1.9 percent of original size [2021-11-22 15:04:36,637 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 248 treesize of output 157 [2021-11-22 15:04:36,707 INFO L354 Elim1Store]: treesize reduction 600, result has 8.1 percent of original size [2021-11-22 15:04:36,708 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 6 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 32 case distinctions, treesize of input 148 treesize of output 157 [2021-11-22 15:04:36,734 INFO L354 Elim1Store]: treesize reduction 32, result has 3.0 percent of original size [2021-11-22 15:04:36,735 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 5 new quantified variables, introduced 3 case distinctions, treesize of input 133 treesize of output 103 [2021-11-22 15:04:36,983 INFO L354 Elim1Store]: treesize reduction 240, result has 19.2 percent of original size [2021-11-22 15:04:36,984 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 15 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 36 case distinctions, treesize of input 93 treesize of output 102 [2021-11-22 15:04:37,304 INFO L354 Elim1Store]: treesize reduction 35, result has 16.7 percent of original size [2021-11-22 15:04:37,304 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 15 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 29 case distinctions, treesize of input 83 treesize of output 92 [2021-11-22 15:04:37,398 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-22 15:04:37,399 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 8 select indices, 8 select index equivalence classes, 15 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 28 case distinctions, treesize of input 73 treesize of output 41 [2021-11-22 15:04:37,506 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 15:04:37,506 INFO L328 TraceCheckSpWp]: Computing backward predicates...