./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/uthash-2.0.2/uthash_SFH_test9-2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version f8e1c903 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2495e6d-8c6a-4a20-be22-d166a1c8e5c1/bin/uautomizer-IVEQpCNsaX/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2495e6d-8c6a-4a20-be22-d166a1c8e5c1/bin/uautomizer-IVEQpCNsaX/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2495e6d-8c6a-4a20-be22-d166a1c8e5c1/bin/uautomizer-IVEQpCNsaX/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2495e6d-8c6a-4a20-be22-d166a1c8e5c1/bin/uautomizer-IVEQpCNsaX/config/AutomizerReach.xml -i ../../sv-benchmarks/c/uthash-2.0.2/uthash_SFH_test9-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2495e6d-8c6a-4a20-be22-d166a1c8e5c1/bin/uautomizer-IVEQpCNsaX/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2495e6d-8c6a-4a20-be22-d166a1c8e5c1/bin/uautomizer-IVEQpCNsaX --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 cb52e740550b0ec41396d39fc3beea75c2dcd7385105eaeaaabca1f449d4b319 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-f8e1c90 [2021-11-09 08:43:59,134 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-09 08:43:59,138 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-09 08:43:59,207 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-09 08:43:59,208 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-09 08:43:59,213 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-09 08:43:59,216 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-09 08:43:59,221 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-09 08:43:59,224 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-09 08:43:59,231 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-09 08:43:59,233 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-09 08:43:59,235 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-09 08:43:59,236 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-09 08:43:59,239 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-09 08:43:59,242 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-09 08:43:59,252 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-09 08:43:59,255 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-09 08:43:59,256 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-09 08:43:59,259 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-09 08:43:59,269 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-09 08:43:59,271 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-09 08:43:59,273 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-09 08:43:59,277 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-09 08:43:59,279 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-09 08:43:59,290 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-09 08:43:59,291 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-09 08:43:59,292 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-09 08:43:59,294 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-09 08:43:59,295 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-09 08:43:59,297 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-09 08:43:59,298 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-09 08:43:59,299 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-09 08:43:59,302 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-09 08:43:59,303 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-09 08:43:59,305 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-09 08:43:59,306 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-09 08:43:59,307 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-09 08:43:59,307 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-09 08:43:59,308 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-09 08:43:59,309 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-09 08:43:59,310 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-09 08:43:59,311 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2495e6d-8c6a-4a20-be22-d166a1c8e5c1/bin/uautomizer-IVEQpCNsaX/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-11-09 08:43:59,342 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-09 08:43:59,342 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-09 08:43:59,342 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-09 08:43:59,343 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-09 08:43:59,344 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-09 08:43:59,344 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-09 08:43:59,344 INFO L138 SettingsManager]: * Use SBE=true [2021-11-09 08:43:59,345 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-09 08:43:59,345 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-09 08:43:59,345 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-09 08:43:59,345 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-09 08:43:59,346 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-09 08:43:59,346 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-09 08:43:59,346 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-09 08:43:59,346 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-09 08:43:59,346 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-09 08:43:59,347 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-09 08:43:59,347 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-09 08:43:59,347 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-09 08:43:59,347 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-09 08:43:59,348 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-09 08:43:59,348 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-09 08:43:59,348 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-09 08:43:59,348 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-09 08:43:59,348 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-09 08:43:59,349 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-09 08:43:59,349 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-11-09 08:43:59,349 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-09 08:43:59,349 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-11-09 08:43:59,350 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-11-09 08:43:59,350 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-09 08:43:59,350 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-09 08:43:59,350 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_a2495e6d-8c6a-4a20-be22-d166a1c8e5c1/bin/uautomizer-IVEQpCNsaX/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2495e6d-8c6a-4a20-be22-d166a1c8e5c1/bin/uautomizer-IVEQpCNsaX Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> cb52e740550b0ec41396d39fc3beea75c2dcd7385105eaeaaabca1f449d4b319 [2021-11-09 08:43:59,647 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-09 08:43:59,670 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-09 08:43:59,673 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-09 08:43:59,675 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-09 08:43:59,676 INFO L275 PluginConnector]: CDTParser initialized [2021-11-09 08:43:59,677 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2495e6d-8c6a-4a20-be22-d166a1c8e5c1/bin/uautomizer-IVEQpCNsaX/../../sv-benchmarks/c/uthash-2.0.2/uthash_SFH_test9-2.i [2021-11-09 08:43:59,769 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2495e6d-8c6a-4a20-be22-d166a1c8e5c1/bin/uautomizer-IVEQpCNsaX/data/cbbbbcce5/46009db5d70b42f58bbf3316b1ba8bff/FLAGbccc5c547 [2021-11-09 08:44:00,644 INFO L306 CDTParser]: Found 1 translation units. [2021-11-09 08:44:00,645 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2495e6d-8c6a-4a20-be22-d166a1c8e5c1/sv-benchmarks/c/uthash-2.0.2/uthash_SFH_test9-2.i [2021-11-09 08:44:00,678 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2495e6d-8c6a-4a20-be22-d166a1c8e5c1/bin/uautomizer-IVEQpCNsaX/data/cbbbbcce5/46009db5d70b42f58bbf3316b1ba8bff/FLAGbccc5c547 [2021-11-09 08:44:00,818 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2495e6d-8c6a-4a20-be22-d166a1c8e5c1/bin/uautomizer-IVEQpCNsaX/data/cbbbbcce5/46009db5d70b42f58bbf3316b1ba8bff [2021-11-09 08:44:00,823 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-09 08:44:00,826 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-09 08:44:00,830 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-09 08:44:00,830 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-09 08:44:00,835 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-09 08:44:00,836 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 08:44:00" (1/1) ... [2021-11-09 08:44:00,838 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@41c2abc5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 08:44:00, skipping insertion in model container [2021-11-09 08:44:00,839 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 08:44:00" (1/1) ... [2021-11-09 08:44:00,847 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-09 08:44:00,956 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-09 08:44:01,618 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2495e6d-8c6a-4a20-be22-d166a1c8e5c1/sv-benchmarks/c/uthash-2.0.2/uthash_SFH_test9-2.i[33021,33034] [2021-11-09 08:44:01,956 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2495e6d-8c6a-4a20-be22-d166a1c8e5c1/sv-benchmarks/c/uthash-2.0.2/uthash_SFH_test9-2.i[84583,84596] [2021-11-09 08:44:01,981 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-09 08:44:01,996 INFO L203 MainTranslator]: Completed pre-run [2021-11-09 08:44:02,047 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2495e6d-8c6a-4a20-be22-d166a1c8e5c1/sv-benchmarks/c/uthash-2.0.2/uthash_SFH_test9-2.i[33021,33034] [2021-11-09 08:44:02,209 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2495e6d-8c6a-4a20-be22-d166a1c8e5c1/sv-benchmarks/c/uthash-2.0.2/uthash_SFH_test9-2.i[84583,84596] [2021-11-09 08:44:02,220 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-09 08:44:02,297 INFO L208 MainTranslator]: Completed translation [2021-11-09 08:44:02,297 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 08:44:02 WrapperNode [2021-11-09 08:44:02,297 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-09 08:44:02,298 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-09 08:44:02,298 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-09 08:44:02,298 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-09 08:44:02,308 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 08:44:02" (1/1) ... [2021-11-09 08:44:02,370 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 08:44:02" (1/1) ... [2021-11-09 08:44:02,660 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-09 08:44:02,661 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-09 08:44:02,661 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-09 08:44:02,661 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-09 08:44:02,670 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 08:44:02" (1/1) ... [2021-11-09 08:44:02,671 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 08:44:02" (1/1) ... [2021-11-09 08:44:02,694 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 08:44:02" (1/1) ... [2021-11-09 08:44:02,695 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 08:44:02" (1/1) ... [2021-11-09 08:44:02,809 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 08:44:02" (1/1) ... [2021-11-09 08:44:02,876 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 08:44:02" (1/1) ... [2021-11-09 08:44:02,894 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 08:44:02" (1/1) ... [2021-11-09 08:44:02,933 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-09 08:44:02,935 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-09 08:44:02,936 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-09 08:44:02,937 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-09 08:44:02,938 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 08:44:02" (1/1) ... [2021-11-09 08:44:02,947 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-09 08:44:02,959 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2495e6d-8c6a-4a20-be22-d166a1c8e5c1/bin/uautomizer-IVEQpCNsaX/z3 [2021-11-09 08:44:02,983 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2495e6d-8c6a-4a20-be22-d166a1c8e5c1/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-09 08:44:03,001 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2495e6d-8c6a-4a20-be22-d166a1c8e5c1/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-09 08:44:03,042 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-09 08:44:03,042 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-09 08:44:03,042 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-09 08:44:03,042 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-09 08:44:03,043 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-09 08:44:03,043 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2021-11-09 08:44:03,043 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-09 08:44:03,043 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-09 08:44:03,043 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-09 08:44:03,044 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-09 08:44:03,044 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-09 08:44:07,300 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-09 08:44:07,301 INFO L299 CfgBuilder]: Removed 1075 assume(true) statements. [2021-11-09 08:44:07,309 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 08:44:07 BoogieIcfgContainer [2021-11-09 08:44:07,309 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-09 08:44:07,315 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-09 08:44:07,316 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-09 08:44:07,319 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-09 08:44:07,320 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.11 08:44:00" (1/3) ... [2021-11-09 08:44:07,321 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@406ef9d7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 08:44:07, skipping insertion in model container [2021-11-09 08:44:07,321 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 08:44:02" (2/3) ... [2021-11-09 08:44:07,322 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@406ef9d7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 08:44:07, skipping insertion in model container [2021-11-09 08:44:07,322 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 08:44:07" (3/3) ... [2021-11-09 08:44:07,323 INFO L111 eAbstractionObserver]: Analyzing ICFG uthash_SFH_test9-2.i [2021-11-09 08:44:07,330 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-09 08:44:07,331 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 501 error locations. [2021-11-09 08:44:07,418 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-09 08:44:07,428 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 [2021-11-09 08:44:07,428 INFO L340 AbstractCegarLoop]: Starting to check reachability of 501 error locations. [2021-11-09 08:44:07,510 INFO L276 IsEmpty]: Start isEmpty. Operand has 2186 states, 1684 states have (on average 1.9667458432304037) internal successors, (3312), 2185 states have internal predecessors, (3312), 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) [2021-11-09 08:44:07,515 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2021-11-09 08:44:07,515 INFO L505 BasicCegarLoop]: Found error trace [2021-11-09 08:44:07,516 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-09 08:44:07,516 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr500ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 498 more)] === [2021-11-09 08:44:07,521 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-09 08:44:07,521 INFO L85 PathProgramCache]: Analyzing trace with hash 239437319, now seen corresponding path program 1 times [2021-11-09 08:44:07,529 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-09 08:44:07,529 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [681971063] [2021-11-09 08:44:07,530 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-09 08:44:07,530 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-09 08:44:07,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-09 08:44:07,766 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-09 08:44:07,767 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-09 08:44:07,768 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [681971063] [2021-11-09 08:44:07,769 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [681971063] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-09 08:44:07,769 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-09 08:44:07,770 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-09 08:44:07,772 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [205512144] [2021-11-09 08:44:07,778 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-11-09 08:44:07,778 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-09 08:44:07,798 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-11-09 08:44:07,800 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-11-09 08:44:07,809 INFO L87 Difference]: Start difference. First operand has 2186 states, 1684 states have (on average 1.9667458432304037) internal successors, (3312), 2185 states have internal predecessors, (3312), 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) [2021-11-09 08:44:07,947 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-09 08:44:07,948 INFO L93 Difference]: Finished difference Result 4370 states and 6622 transitions. [2021-11-09 08:44:07,949 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-09 08:44:07,950 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 [2021-11-09 08:44:07,951 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-09 08:44:07,994 INFO L225 Difference]: With dead ends: 4370 [2021-11-09 08:44:07,994 INFO L226 Difference]: Without dead ends: 2153 [2021-11-09 08:44:08,011 INFO L786 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 [2021-11-09 08:44:08,039 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2153 states. [2021-11-09 08:44:08,166 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2153 to 2153. [2021-11-09 08:44:08,174 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2153 states, 1652 states have (on average 1.6343825665859564) internal successors, (2700), 2152 states have internal predecessors, (2700), 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) [2021-11-09 08:44:08,183 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2153 states to 2153 states and 2700 transitions. [2021-11-09 08:44:08,185 INFO L78 Accepts]: Start accepts. Automaton has 2153 states and 2700 transitions. Word has length 9 [2021-11-09 08:44:08,185 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-09 08:44:08,186 INFO L470 AbstractCegarLoop]: Abstraction has 2153 states and 2700 transitions. [2021-11-09 08:44:08,186 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) [2021-11-09 08:44:08,187 INFO L276 IsEmpty]: Start isEmpty. Operand 2153 states and 2700 transitions. [2021-11-09 08:44:08,190 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2021-11-09 08:44:08,190 INFO L505 BasicCegarLoop]: Found error trace [2021-11-09 08:44:08,190 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-09 08:44:08,191 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-09 08:44:08,191 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr500ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 498 more)] === [2021-11-09 08:44:08,195 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-09 08:44:08,195 INFO L85 PathProgramCache]: Analyzing trace with hash 627540097, now seen corresponding path program 1 times [2021-11-09 08:44:08,195 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-09 08:44:08,196 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [348931921] [2021-11-09 08:44:08,197 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-09 08:44:08,197 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-09 08:44:08,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-09 08:44:08,394 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-09 08:44:08,394 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-09 08:44:08,395 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [348931921] [2021-11-09 08:44:08,395 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [348931921] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-09 08:44:08,395 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-09 08:44:08,395 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-09 08:44:08,396 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1259054219] [2021-11-09 08:44:08,398 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-09 08:44:08,398 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-09 08:44:08,399 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-09 08:44:08,400 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-09 08:44:08,400 INFO L87 Difference]: Start difference. First operand 2153 states and 2700 transitions. Second operand has 4 states, 4 states have (on average 11.0) internal successors, (44), 4 states have internal predecessors, (44), 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) [2021-11-09 08:44:09,035 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-09 08:44:09,035 INFO L93 Difference]: Finished difference Result 6317 states and 7915 transitions. [2021-11-09 08:44:09,036 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-09 08:44:09,037 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 11.0) internal successors, (44), 4 states have internal predecessors, (44), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 44 [2021-11-09 08:44:09,037 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-09 08:44:09,064 INFO L225 Difference]: With dead ends: 6317 [2021-11-09 08:44:09,065 INFO L226 Difference]: Without dead ends: 4254 [2021-11-09 08:44:09,070 INFO L786 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 [2021-11-09 08:44:09,080 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4254 states. [2021-11-09 08:44:09,147 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4254 to 2155. [2021-11-09 08:44:09,153 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2155 states, 1654 states have (on average 1.6336154776299878) internal successors, (2702), 2154 states have internal predecessors, (2702), 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) [2021-11-09 08:44:09,164 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2155 states to 2155 states and 2702 transitions. [2021-11-09 08:44:09,165 INFO L78 Accepts]: Start accepts. Automaton has 2155 states and 2702 transitions. Word has length 44 [2021-11-09 08:44:09,165 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-09 08:44:09,166 INFO L470 AbstractCegarLoop]: Abstraction has 2155 states and 2702 transitions. [2021-11-09 08:44:09,166 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 11.0) internal successors, (44), 4 states have internal predecessors, (44), 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) [2021-11-09 08:44:09,166 INFO L276 IsEmpty]: Start isEmpty. Operand 2155 states and 2702 transitions. [2021-11-09 08:44:09,176 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2021-11-09 08:44:09,177 INFO L505 BasicCegarLoop]: Found error trace [2021-11-09 08:44:09,177 INFO L513 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] [2021-11-09 08:44:09,178 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-11-09 08:44:09,179 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr500ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 498 more)] === [2021-11-09 08:44:09,186 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-09 08:44:09,186 INFO L85 PathProgramCache]: Analyzing trace with hash -1103299153, now seen corresponding path program 1 times [2021-11-09 08:44:09,187 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-09 08:44:09,187 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1337819282] [2021-11-09 08:44:09,187 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-09 08:44:09,188 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-09 08:44:09,242 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-09 08:44:09,243 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [120228086] [2021-11-09 08:44:09,243 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-09 08:44:09,243 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-09 08:44:09,244 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2495e6d-8c6a-4a20-be22-d166a1c8e5c1/bin/uautomizer-IVEQpCNsaX/z3 [2021-11-09 08:44:09,250 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2495e6d-8c6a-4a20-be22-d166a1c8e5c1/bin/uautomizer-IVEQpCNsaX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-09 08:44:09,269 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2495e6d-8c6a-4a20-be22-d166a1c8e5c1/bin/uautomizer-IVEQpCNsaX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-11-09 08:44:09,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-09 08:44:09,464 INFO L263 TraceCheckSpWp]: Trace formula consists of 273 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-09 08:44:09,477 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-09 08:44:09,859 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-09 08:44:09,897 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-09 08:44:09,897 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1337819282] [2021-11-09 08:44:09,898 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-11-09 08:44:09,898 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [120228086] [2021-11-09 08:44:09,898 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [120228086] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-09 08:44:09,898 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-09 08:44:09,899 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-09 08:44:09,899 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1256034336] [2021-11-09 08:44:09,900 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-09 08:44:09,900 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-09 08:44:09,900 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-09 08:44:09,901 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-09 08:44:09,901 INFO L87 Difference]: Start difference. First operand 2155 states and 2702 transitions. Second operand has 3 states, 3 states have (on average 32.0) internal successors, (96), 3 states have internal predecessors, (96), 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) [2021-11-09 08:44:10,063 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-09 08:44:10,064 INFO L93 Difference]: Finished difference Result 4327 states and 5431 transitions. [2021-11-09 08:44:10,064 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-09 08:44:10,065 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 32.0) internal successors, (96), 3 states have internal predecessors, (96), 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 96 [2021-11-09 08:44:10,065 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-09 08:44:10,080 INFO L225 Difference]: With dead ends: 4327 [2021-11-09 08:44:10,081 INFO L226 Difference]: Without dead ends: 2176 [2021-11-09 08:44:10,087 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 95 GetRequests, 94 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-09 08:44:10,094 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2176 states. [2021-11-09 08:44:10,139 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2176 to 2175. [2021-11-09 08:44:10,145 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2175 states, 1674 states have (on average 1.6260454002389486) internal successors, (2722), 2174 states have internal predecessors, (2722), 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) [2021-11-09 08:44:10,155 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2175 states to 2175 states and 2722 transitions. [2021-11-09 08:44:10,155 INFO L78 Accepts]: Start accepts. Automaton has 2175 states and 2722 transitions. Word has length 96 [2021-11-09 08:44:10,156 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-09 08:44:10,157 INFO L470 AbstractCegarLoop]: Abstraction has 2175 states and 2722 transitions. [2021-11-09 08:44:10,162 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 32.0) internal successors, (96), 3 states have internal predecessors, (96), 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) [2021-11-09 08:44:10,163 INFO L276 IsEmpty]: Start isEmpty. Operand 2175 states and 2722 transitions. [2021-11-09 08:44:10,166 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2021-11-09 08:44:10,167 INFO L505 BasicCegarLoop]: Found error trace [2021-11-09 08:44:10,167 INFO L513 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] [2021-11-09 08:44:10,216 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2495e6d-8c6a-4a20-be22-d166a1c8e5c1/bin/uautomizer-IVEQpCNsaX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2021-11-09 08:44:10,381 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2495e6d-8c6a-4a20-be22-d166a1c8e5c1/bin/uautomizer-IVEQpCNsaX/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-09 08:44:10,381 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr500ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 498 more)] === [2021-11-09 08:44:10,382 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-09 08:44:10,382 INFO L85 PathProgramCache]: Analyzing trace with hash -1343538899, now seen corresponding path program 1 times [2021-11-09 08:44:10,382 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-09 08:44:10,383 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2079776378] [2021-11-09 08:44:10,383 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-09 08:44:10,383 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-09 08:44:10,439 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-09 08:44:10,440 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1752028227] [2021-11-09 08:44:10,440 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-09 08:44:10,440 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-09 08:44:10,440 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2495e6d-8c6a-4a20-be22-d166a1c8e5c1/bin/uautomizer-IVEQpCNsaX/z3 [2021-11-09 08:44:10,446 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2495e6d-8c6a-4a20-be22-d166a1c8e5c1/bin/uautomizer-IVEQpCNsaX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-09 08:44:10,469 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2495e6d-8c6a-4a20-be22-d166a1c8e5c1/bin/uautomizer-IVEQpCNsaX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2021-11-09 08:44:10,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-09 08:44:10,711 INFO L263 TraceCheckSpWp]: Trace formula consists of 275 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-09 08:44:10,720 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-09 08:44:10,996 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-09 08:44:10,997 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-09 08:44:10,997 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2079776378] [2021-11-09 08:44:10,997 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-11-09 08:44:10,998 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1752028227] [2021-11-09 08:44:10,998 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1752028227] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-09 08:44:10,998 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-09 08:44:10,998 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-09 08:44:10,999 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [621388802] [2021-11-09 08:44:11,000 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-09 08:44:11,000 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-09 08:44:11,001 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-09 08:44:11,001 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-09 08:44:11,001 INFO L87 Difference]: Start difference. First operand 2175 states and 2722 transitions. Second operand has 3 states, 3 states have (on average 31.666666666666668) internal successors, (95), 3 states have internal predecessors, (95), 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) [2021-11-09 08:44:11,144 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-09 08:44:11,144 INFO L93 Difference]: Finished difference Result 4258 states and 5334 transitions. [2021-11-09 08:44:11,146 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-09 08:44:11,147 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 31.666666666666668) internal successors, (95), 3 states have internal predecessors, (95), 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 96 [2021-11-09 08:44:11,147 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-09 08:44:11,162 INFO L225 Difference]: With dead ends: 4258 [2021-11-09 08:44:11,162 INFO L226 Difference]: Without dead ends: 2196 [2021-11-09 08:44:11,166 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 95 GetRequests, 94 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-09 08:44:11,172 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2196 states. [2021-11-09 08:44:11,220 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2196 to 2195. [2021-11-09 08:44:11,227 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2195 states, 1694 states have (on average 1.6186540731995278) internal successors, (2742), 2194 states have internal predecessors, (2742), 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) [2021-11-09 08:44:11,236 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2195 states to 2195 states and 2742 transitions. [2021-11-09 08:44:11,237 INFO L78 Accepts]: Start accepts. Automaton has 2195 states and 2742 transitions. Word has length 96 [2021-11-09 08:44:11,237 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-09 08:44:11,238 INFO L470 AbstractCegarLoop]: Abstraction has 2195 states and 2742 transitions. [2021-11-09 08:44:11,238 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 31.666666666666668) internal successors, (95), 3 states have internal predecessors, (95), 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) [2021-11-09 08:44:11,238 INFO L276 IsEmpty]: Start isEmpty. Operand 2195 states and 2742 transitions. [2021-11-09 08:44:11,239 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2021-11-09 08:44:11,240 INFO L505 BasicCegarLoop]: Found error trace [2021-11-09 08:44:11,240 INFO L513 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] [2021-11-09 08:44:11,286 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2495e6d-8c6a-4a20-be22-d166a1c8e5c1/bin/uautomizer-IVEQpCNsaX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2021-11-09 08:44:11,461 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2495e6d-8c6a-4a20-be22-d166a1c8e5c1/bin/uautomizer-IVEQpCNsaX/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-09 08:44:11,461 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr500ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 498 more)] === [2021-11-09 08:44:11,462 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-09 08:44:11,462 INFO L85 PathProgramCache]: Analyzing trace with hash -1663743951, now seen corresponding path program 1 times [2021-11-09 08:44:11,462 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-09 08:44:11,463 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2072453042] [2021-11-09 08:44:11,463 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-09 08:44:11,463 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-09 08:44:11,488 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-09 08:44:11,488 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1318915567] [2021-11-09 08:44:11,489 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-09 08:44:11,489 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-09 08:44:11,489 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2495e6d-8c6a-4a20-be22-d166a1c8e5c1/bin/uautomizer-IVEQpCNsaX/z3 [2021-11-09 08:44:11,490 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2495e6d-8c6a-4a20-be22-d166a1c8e5c1/bin/uautomizer-IVEQpCNsaX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-09 08:44:11,511 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2495e6d-8c6a-4a20-be22-d166a1c8e5c1/bin/uautomizer-IVEQpCNsaX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2021-11-09 08:44:11,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-09 08:44:11,801 INFO L263 TraceCheckSpWp]: Trace formula consists of 279 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-09 08:44:11,814 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-09 08:44:12,109 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-09 08:44:12,109 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-09 08:44:12,110 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2072453042] [2021-11-09 08:44:12,110 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-11-09 08:44:12,110 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1318915567] [2021-11-09 08:44:12,110 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1318915567] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-09 08:44:12,111 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-09 08:44:12,116 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-09 08:44:12,120 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [40669977] [2021-11-09 08:44:12,121 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-09 08:44:12,121 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-09 08:44:12,122 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-09 08:44:12,122 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-09 08:44:12,122 INFO L87 Difference]: Start difference. First operand 2195 states and 2742 transitions. Second operand has 4 states, 4 states have (on average 24.0) internal successors, (96), 4 states have internal predecessors, (96), 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) [2021-11-09 08:44:12,302 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-09 08:44:12,304 INFO L93 Difference]: Finished difference Result 4378 states and 5472 transitions. [2021-11-09 08:44:12,313 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-09 08:44:12,314 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 24.0) internal successors, (96), 4 states have internal predecessors, (96), 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 96 [2021-11-09 08:44:12,314 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-09 08:44:12,328 INFO L225 Difference]: With dead ends: 4378 [2021-11-09 08:44:12,329 INFO L226 Difference]: Without dead ends: 2187 [2021-11-09 08:44:12,333 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 96 GetRequests, 93 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-09 08:44:12,339 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2187 states. [2021-11-09 08:44:12,382 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2187 to 2181. [2021-11-09 08:44:12,389 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2181 states, 1680 states have (on average 1.6196428571428572) internal successors, (2721), 2180 states have internal predecessors, (2721), 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) [2021-11-09 08:44:12,398 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2181 states to 2181 states and 2721 transitions. [2021-11-09 08:44:12,398 INFO L78 Accepts]: Start accepts. Automaton has 2181 states and 2721 transitions. Word has length 96 [2021-11-09 08:44:12,399 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-09 08:44:12,399 INFO L470 AbstractCegarLoop]: Abstraction has 2181 states and 2721 transitions. [2021-11-09 08:44:12,399 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 24.0) internal successors, (96), 4 states have internal predecessors, (96), 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) [2021-11-09 08:44:12,400 INFO L276 IsEmpty]: Start isEmpty. Operand 2181 states and 2721 transitions. [2021-11-09 08:44:12,408 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2021-11-09 08:44:12,409 INFO L505 BasicCegarLoop]: Found error trace [2021-11-09 08:44:12,409 INFO L513 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] [2021-11-09 08:44:12,456 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2495e6d-8c6a-4a20-be22-d166a1c8e5c1/bin/uautomizer-IVEQpCNsaX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2021-11-09 08:44:12,625 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2495e6d-8c6a-4a20-be22-d166a1c8e5c1/bin/uautomizer-IVEQpCNsaX/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-09 08:44:12,625 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr500ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 498 more)] === [2021-11-09 08:44:12,626 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-09 08:44:12,626 INFO L85 PathProgramCache]: Analyzing trace with hash 570124223, now seen corresponding path program 1 times [2021-11-09 08:44:12,626 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-09 08:44:12,626 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1389720993] [2021-11-09 08:44:12,627 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-09 08:44:12,627 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-09 08:44:12,650 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-09 08:44:12,650 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1931196103] [2021-11-09 08:44:12,650 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-09 08:44:12,651 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-09 08:44:12,651 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2495e6d-8c6a-4a20-be22-d166a1c8e5c1/bin/uautomizer-IVEQpCNsaX/z3 [2021-11-09 08:44:12,652 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2495e6d-8c6a-4a20-be22-d166a1c8e5c1/bin/uautomizer-IVEQpCNsaX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-09 08:44:12,673 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2495e6d-8c6a-4a20-be22-d166a1c8e5c1/bin/uautomizer-IVEQpCNsaX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2021-11-09 08:44:12,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-09 08:44:12,942 INFO L263 TraceCheckSpWp]: Trace formula consists of 265 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-09 08:44:12,946 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-09 08:44:13,261 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-09 08:44:13,261 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-09 08:44:13,262 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1389720993] [2021-11-09 08:44:13,262 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-11-09 08:44:13,262 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1931196103] [2021-11-09 08:44:13,262 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1931196103] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-09 08:44:13,262 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-09 08:44:13,262 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-09 08:44:13,263 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [251103103] [2021-11-09 08:44:13,264 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-09 08:44:13,264 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-09 08:44:13,264 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-09 08:44:13,265 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-09 08:44:13,265 INFO L87 Difference]: Start difference. First operand 2181 states and 2721 transitions. Second operand has 4 states, 4 states have (on average 23.75) internal successors, (95), 4 states have internal predecessors, (95), 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) [2021-11-09 08:44:13,411 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-09 08:44:13,411 INFO L93 Difference]: Finished difference Result 4255 states and 5314 transitions. [2021-11-09 08:44:13,411 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-09 08:44:13,412 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 23.75) internal successors, (95), 4 states have internal predecessors, (95), 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 96 [2021-11-09 08:44:13,413 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-09 08:44:13,425 INFO L225 Difference]: With dead ends: 4255 [2021-11-09 08:44:13,425 INFO L226 Difference]: Without dead ends: 2173 [2021-11-09 08:44:13,429 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 96 GetRequests, 93 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-09 08:44:13,436 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2173 states. [2021-11-09 08:44:13,479 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2173 to 2167. [2021-11-09 08:44:13,485 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2167 states, 1666 states have (on average 1.6206482593037215) internal successors, (2700), 2166 states have internal predecessors, (2700), 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) [2021-11-09 08:44:13,531 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2167 states to 2167 states and 2700 transitions. [2021-11-09 08:44:13,531 INFO L78 Accepts]: Start accepts. Automaton has 2167 states and 2700 transitions. Word has length 96 [2021-11-09 08:44:13,535 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-09 08:44:13,535 INFO L470 AbstractCegarLoop]: Abstraction has 2167 states and 2700 transitions. [2021-11-09 08:44:13,536 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 23.75) internal successors, (95), 4 states have internal predecessors, (95), 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) [2021-11-09 08:44:13,536 INFO L276 IsEmpty]: Start isEmpty. Operand 2167 states and 2700 transitions. [2021-11-09 08:44:13,537 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2021-11-09 08:44:13,537 INFO L505 BasicCegarLoop]: Found error trace [2021-11-09 08:44:13,538 INFO L513 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] [2021-11-09 08:44:13,585 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2495e6d-8c6a-4a20-be22-d166a1c8e5c1/bin/uautomizer-IVEQpCNsaX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2021-11-09 08:44:13,765 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2495e6d-8c6a-4a20-be22-d166a1c8e5c1/bin/uautomizer-IVEQpCNsaX/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5 [2021-11-09 08:44:13,765 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr500ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 498 more)] === [2021-11-09 08:44:13,765 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-09 08:44:13,766 INFO L85 PathProgramCache]: Analyzing trace with hash -312724623, now seen corresponding path program 1 times [2021-11-09 08:44:13,766 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-09 08:44:13,766 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1224468074] [2021-11-09 08:44:13,766 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-09 08:44:13,766 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-09 08:44:13,786 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-09 08:44:13,787 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1476634407] [2021-11-09 08:44:13,787 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-09 08:44:13,787 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-09 08:44:13,787 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2495e6d-8c6a-4a20-be22-d166a1c8e5c1/bin/uautomizer-IVEQpCNsaX/z3 [2021-11-09 08:44:13,788 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2495e6d-8c6a-4a20-be22-d166a1c8e5c1/bin/uautomizer-IVEQpCNsaX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-09 08:44:13,814 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2495e6d-8c6a-4a20-be22-d166a1c8e5c1/bin/uautomizer-IVEQpCNsaX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2021-11-09 08:44:14,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-09 08:44:14,100 INFO L263 TraceCheckSpWp]: Trace formula consists of 251 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-09 08:44:14,105 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-09 08:44:14,584 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-09 08:44:14,585 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-09 08:44:14,585 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1224468074] [2021-11-09 08:44:14,585 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-11-09 08:44:14,585 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1476634407] [2021-11-09 08:44:14,586 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1476634407] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-09 08:44:14,586 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-09 08:44:14,586 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-09 08:44:14,586 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1246310434] [2021-11-09 08:44:14,589 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-09 08:44:14,589 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-09 08:44:14,590 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-09 08:44:14,590 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-09 08:44:14,590 INFO L87 Difference]: Start difference. First operand 2167 states and 2700 transitions. Second operand has 3 states, 3 states have (on average 32.0) internal successors, (96), 3 states have internal predecessors, (96), 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) [2021-11-09 08:44:14,767 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-09 08:44:14,767 INFO L93 Difference]: Finished difference Result 6426 states and 8004 transitions. [2021-11-09 08:44:14,768 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-09 08:44:14,768 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 32.0) internal successors, (96), 3 states have internal predecessors, (96), 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 96 [2021-11-09 08:44:14,769 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-09 08:44:14,794 INFO L225 Difference]: With dead ends: 6426 [2021-11-09 08:44:14,795 INFO L226 Difference]: Without dead ends: 4263 [2021-11-09 08:44:14,799 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 95 GetRequests, 94 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-09 08:44:14,809 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4263 states. [2021-11-09 08:44:14,897 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4263 to 3261. [2021-11-09 08:44:14,905 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3261 states, 2760 states have (on average 1.7409420289855073) internal successors, (4805), 3260 states have internal predecessors, (4805), 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) [2021-11-09 08:44:14,915 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3261 states to 3261 states and 4805 transitions. [2021-11-09 08:44:14,916 INFO L78 Accepts]: Start accepts. Automaton has 3261 states and 4805 transitions. Word has length 96 [2021-11-09 08:44:14,917 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-09 08:44:14,919 INFO L470 AbstractCegarLoop]: Abstraction has 3261 states and 4805 transitions. [2021-11-09 08:44:14,920 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 32.0) internal successors, (96), 3 states have internal predecessors, (96), 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) [2021-11-09 08:44:14,920 INFO L276 IsEmpty]: Start isEmpty. Operand 3261 states and 4805 transitions. [2021-11-09 08:44:14,921 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2021-11-09 08:44:14,922 INFO L505 BasicCegarLoop]: Found error trace [2021-11-09 08:44:14,923 INFO L513 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] [2021-11-09 08:44:14,964 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2495e6d-8c6a-4a20-be22-d166a1c8e5c1/bin/uautomizer-IVEQpCNsaX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2021-11-09 08:44:15,149 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2495e6d-8c6a-4a20-be22-d166a1c8e5c1/bin/uautomizer-IVEQpCNsaX/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-09 08:44:15,149 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr500ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 498 more)] === [2021-11-09 08:44:15,150 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-09 08:44:15,150 INFO L85 PathProgramCache]: Analyzing trace with hash 1091132224, now seen corresponding path program 1 times [2021-11-09 08:44:15,150 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-09 08:44:15,150 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1744214343] [2021-11-09 08:44:15,151 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-09 08:44:15,151 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-09 08:44:15,172 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-09 08:44:15,173 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1785955088] [2021-11-09 08:44:15,173 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-09 08:44:15,173 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-09 08:44:15,174 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2495e6d-8c6a-4a20-be22-d166a1c8e5c1/bin/uautomizer-IVEQpCNsaX/z3 [2021-11-09 08:44:15,175 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2495e6d-8c6a-4a20-be22-d166a1c8e5c1/bin/uautomizer-IVEQpCNsaX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-09 08:44:15,197 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2495e6d-8c6a-4a20-be22-d166a1c8e5c1/bin/uautomizer-IVEQpCNsaX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2021-11-09 08:44:15,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-09 08:44:15,547 INFO L263 TraceCheckSpWp]: Trace formula consists of 335 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-09 08:44:15,551 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-09 08:44:15,949 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-09 08:44:15,949 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-09 08:44:15,949 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1744214343] [2021-11-09 08:44:15,949 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-11-09 08:44:15,950 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1785955088] [2021-11-09 08:44:15,950 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1785955088] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-09 08:44:15,950 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-09 08:44:15,950 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-09 08:44:15,951 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1505391129] [2021-11-09 08:44:15,951 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-09 08:44:15,951 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-09 08:44:15,952 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-09 08:44:15,952 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-09 08:44:15,952 INFO L87 Difference]: Start difference. First operand 3261 states and 4805 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) [2021-11-09 08:44:16,292 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-09 08:44:16,293 INFO L93 Difference]: Finished difference Result 5424 states and 7501 transitions. [2021-11-09 08:44:16,293 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-09 08:44:16,293 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 [2021-11-09 08:44:16,294 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-09 08:44:16,307 INFO L225 Difference]: With dead ends: 5424 [2021-11-09 08:44:16,308 INFO L226 Difference]: Without dead ends: 2211 [2021-11-09 08:44:16,312 INFO L786 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 [2021-11-09 08:44:16,318 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2211 states. [2021-11-09 08:44:16,369 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2211 to 2211. [2021-11-09 08:44:16,374 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2211 states, 1710 states have (on average 1.6064327485380117) internal successors, (2747), 2210 states have internal predecessors, (2747), 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) [2021-11-09 08:44:16,381 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2211 states to 2211 states and 2747 transitions. [2021-11-09 08:44:16,382 INFO L78 Accepts]: Start accepts. Automaton has 2211 states and 2747 transitions. Word has length 103 [2021-11-09 08:44:16,382 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-09 08:44:16,383 INFO L470 AbstractCegarLoop]: Abstraction has 2211 states and 2747 transitions. [2021-11-09 08:44:16,383 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) [2021-11-09 08:44:16,383 INFO L276 IsEmpty]: Start isEmpty. Operand 2211 states and 2747 transitions. [2021-11-09 08:44:16,385 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2021-11-09 08:44:16,385 INFO L505 BasicCegarLoop]: Found error trace [2021-11-09 08:44:16,385 INFO L513 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] [2021-11-09 08:44:16,425 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2495e6d-8c6a-4a20-be22-d166a1c8e5c1/bin/uautomizer-IVEQpCNsaX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2021-11-09 08:44:16,607 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2495e6d-8c6a-4a20-be22-d166a1c8e5c1/bin/uautomizer-IVEQpCNsaX/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-09 08:44:16,608 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr500ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 498 more)] === [2021-11-09 08:44:16,608 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-09 08:44:16,609 INFO L85 PathProgramCache]: Analyzing trace with hash 541766298, now seen corresponding path program 1 times [2021-11-09 08:44:16,609 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-09 08:44:16,609 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [216994217] [2021-11-09 08:44:16,609 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-09 08:44:16,609 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-09 08:44:16,635 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-09 08:44:16,635 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [645687356] [2021-11-09 08:44:16,636 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-09 08:44:16,636 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-09 08:44:16,636 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2495e6d-8c6a-4a20-be22-d166a1c8e5c1/bin/uautomizer-IVEQpCNsaX/z3 [2021-11-09 08:44:16,637 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2495e6d-8c6a-4a20-be22-d166a1c8e5c1/bin/uautomizer-IVEQpCNsaX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-09 08:44:16,645 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2495e6d-8c6a-4a20-be22-d166a1c8e5c1/bin/uautomizer-IVEQpCNsaX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2021-11-09 08:44:17,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-09 08:44:17,024 INFO L263 TraceCheckSpWp]: Trace formula consists of 360 conjuncts, 51 conjunts are in the unsatisfiable core [2021-11-09 08:44:17,032 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-09 08:44:17,075 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 [2021-11-09 08:44:17,083 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 [2021-11-09 08:44:17,135 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 08:44:17,137 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 [2021-11-09 08:44:17,215 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 08:44:17,219 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 08:44:17,220 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 08:44:17,223 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 [2021-11-09 08:44:18,659 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 08:44:18,661 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 08:44:18,662 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 08:44:18,663 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 08:44:18,664 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 08:44:18,665 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 08:44:18,667 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 08:44:18,670 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 [2021-11-09 08:44:18,678 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 08:44:18,679 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 08:44:18,680 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 08:44:18,681 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 08:44:18,683 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 51 treesize of output 44 [2021-11-09 08:44:18,782 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 08:44:18,784 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 08:44:18,786 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 08:44:18,789 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 08:44:18,791 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 08:44:18,792 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 08:44:18,793 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 08:44:18,797 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 7 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 85 treesize of output 66 [2021-11-09 08:44:18,816 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 08:44:18,818 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 08:44:18,819 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 08:44:18,820 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 08:44:18,821 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 08:44:18,822 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 08:44:18,823 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 08:44:18,825 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 7 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 66 treesize of output 47 [2021-11-09 08:44:18,894 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 [2021-11-09 08:44:18,906 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 08:44:18,907 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 08:44:18,909 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 08:44:18,910 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 08:44:18,911 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 08:44:18,912 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 08:44:18,913 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 08:44:18,914 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 7 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 66 treesize of output 47 [2021-11-09 08:44:18,937 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 29 treesize of output 25 [2021-11-09 08:44:18,947 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 08:44:18,964 INFO L354 Elim1Store]: treesize reduction 8, result has 72.4 percent of original size [2021-11-09 08:44:18,965 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 22 treesize of output 30 [2021-11-09 08:44:21,880 INFO L354 Elim1Store]: treesize reduction 364, result has 11.9 percent of original size [2021-11-09 08:44:21,881 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 2845 treesize of output 2294 [2021-11-09 08:44:21,926 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 08:44:24,447 INFO L354 Elim1Store]: treesize reduction 448, result has 17.8 percent of original size [2021-11-09 08:44:24,448 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 3260 treesize of output 2918 [2021-11-09 08:44:24,594 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 08:44:24,595 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 08:44:24,596 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 08:44:24,597 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 08:44:24,598 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 08:44:24,599 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 08:44:24,600 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 08:44:34,292 WARN L207 SmtUtils]: Spent 9.67 s on a formula simplification. DAG size of input: 535 DAG size of output: 129 [2021-11-09 08:44:34,294 INFO L354 Elim1Store]: treesize reduction 11587, result has 3.5 percent of original size [2021-11-09 08:44:34,295 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 4258 treesize of output 2271 [2021-11-09 08:44:35,474 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 08:44:35,476 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 3 new quantified variables, introduced 0 case distinctions, treesize of input 66 treesize of output 30 [2021-11-09 08:44:35,864 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 08:44:35,866 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 3 new quantified variables, introduced 0 case distinctions, treesize of input 66 treesize of output 30 [2021-11-09 08:44:36,015 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-09 08:44:36,051 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 08:44:36,083 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 08:44:36,085 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-09 08:44:36,108 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 08:44:36,109 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-09 08:44:36,118 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 08:44:36,133 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 08:44:36,153 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 08:44:36,163 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 08:44:36,174 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 08:44:36,183 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 08:44:36,194 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 08:44:36,211 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 08:44:36,223 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 08:44:36,228 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 08:44:36,238 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 08:44:36,239 INFO L244 Elim1Store]: Index analysis took 225 ms [2021-11-09 08:44:36,240 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 9 select indices, 9 select index equivalence classes, 15 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 949 treesize of output 443 [2021-11-09 08:44:37,255 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 08:44:37,256 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 3 new quantified variables, introduced 0 case distinctions, treesize of input 64 treesize of output 28 [2021-11-09 08:44:38,934 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 08:44:38,944 INFO L354 Elim1Store]: treesize reduction 40, result has 2.4 percent of original size [2021-11-09 08:44:38,945 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 4 new quantified variables, introduced 2 case distinctions, treesize of input 206 treesize of output 133 [2021-11-09 08:44:38,986 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 08:44:39,013 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 08:44:39,017 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 08:44:50,123 WARN L207 SmtUtils]: Spent 11.10 s on a formula simplification. DAG size of input: 446 DAG size of output: 127 [2021-11-09 08:44:50,124 INFO L354 Elim1Store]: treesize reduction 15508, result has 2.1 percent of original size [2021-11-09 08:44:50,125 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 6 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 16 new quantified variables, introduced 30 case distinctions, treesize of input 93399 treesize of output 50289 [2021-11-09 08:44:50,522 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-09 08:44:50,933 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 08:44:50,968 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 08:44:50,984 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 08:44:51,004 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 08:44:51,033 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 08:44:51,034 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-09 08:44:51,093 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-09 08:44:51,122 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 08:44:51,124 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-09 08:44:51,169 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 08:44:51,256 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 08:44:51,322 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 08:44:51,484 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 08:44:51,485 INFO L244 Elim1Store]: Index analysis took 580 ms [2021-11-09 08:44:51,503 INFO L354 Elim1Store]: treesize reduction 246, result has 0.4 percent of original size [2021-11-09 08:44:51,503 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 8 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 4 case distinctions, treesize of input 1623 treesize of output 743 [2021-11-09 08:44:51,841 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 08:44:51,888 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 08:44:51,911 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 08:44:51,942 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 08:44:51,970 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 08:44:51,972 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-09 08:44:52,026 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-09 08:44:52,053 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 08:44:52,056 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-09 08:44:52,155 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 08:44:52,250 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 08:44:52,279 INFO L244 Elim1Store]: Index analysis took 465 ms [2021-11-09 08:44:53,078 INFO L354 Elim1Store]: treesize reduction 184, result has 49.3 percent of original size [2021-11-09 08:44:53,078 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 6 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 6 case distinctions, treesize of input 1909 treesize of output 1127 [2021-11-09 08:44:53,383 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 08:44:53,385 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 08:44:53,403 INFO L354 Elim1Store]: treesize reduction 162, result has 0.6 percent of original size [2021-11-09 08:44:53,404 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 4 disjoint index pairs (out of 15 index pairs), introduced 12 new quantified variables, introduced 13 case distinctions, treesize of input 66163 treesize of output 52073 [2021-11-09 08:44:53,459 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 08:44:53,461 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 08:44:53,463 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 08:44:54,289 INFO L354 Elim1Store]: treesize reduction 1084, result has 12.4 percent of original size [2021-11-09 08:44:54,289 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 12 case distinctions, treesize of input 46447 treesize of output 45943 [2021-11-09 08:44:54,368 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 08:44:54,370 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 08:44:54,372 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 08:44:55,063 INFO L354 Elim1Store]: treesize reduction 1084, result has 12.4 percent of original size [2021-11-09 08:44:55,064 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 12 case distinctions, treesize of input 45937 treesize of output 45433 [2021-11-09 08:45:03,605 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 08:45:03,608 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 08:45:03,609 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 08:45:03,610 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 08:45:03,613 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 08:45:03,615 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 08:45:03,616 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 08:45:03,617 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 08:45:03,619 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 08:45:03,620 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 08:45:03,632 INFO L354 Elim1Store]: treesize reduction 270, result has 0.4 percent of original size [2021-11-09 08:45:03,632 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 8 select indices, 8 select index equivalence classes, 17 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 19 case distinctions, treesize of input 3804 treesize of output 3596 [2021-11-09 08:45:03,831 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-09 08:45:03,851 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-09 08:45:03,989 INFO L354 Elim1Store]: treesize reduction 144, result has 33.6 percent of original size [2021-11-09 08:45:03,990 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 8 stores, 2 select indices, 2 select index equivalence classes, 10 disjoint index pairs (out of 1 index pairs), introduced 11 new quantified variables, introduced 9 case distinctions, treesize of input 1553 treesize of output 759 [2021-11-09 08:45:04,293 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 08:45:04,303 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 08:45:04,305 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 08:45:04,315 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-09 08:45:04,315 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 14 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 8 case distinctions, treesize of input 133 treesize of output 69 [2021-11-09 08:45:04,377 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 08:45:04,384 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 08:45:04,387 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 08:45:04,389 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 08:45:04,399 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-09 08:45:04,400 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 9 case distinctions, treesize of input 141 treesize of output 73 [2021-11-09 08:45:04,435 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 08:45:04,437 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 08:45:04,439 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 08:45:04,440 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-09 08:45:04,449 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-09 08:45:04,450 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 8 new quantified variables, introduced 15 case distinctions, treesize of input 1312 treesize of output 570 [2021-11-09 08:45:04,485 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 08:45:04,486 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 08:45:04,487 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-09 08:45:04,496 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-09 08:45:04,497 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 8 new quantified variables, introduced 15 case distinctions, treesize of input 1184 treesize of output 514 [2021-11-09 08:45:04,527 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 08:45:04,528 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 08:45:04,530 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 08:45:04,533 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 08:45:04,535 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-09 08:45:04,547 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-09 08:45:04,549 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 8 new quantified variables, introduced 15 case distinctions, treesize of input 1048 treesize of output 542 [2021-11-09 08:45:04,578 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 08:45:04,579 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-09 08:45:04,586 INFO L354 Elim1Store]: treesize reduction 13, result has 7.1 percent of original size [2021-11-09 08:45:04,587 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 11 case distinctions, treesize of input 916 treesize of output 852 [2021-11-09 08:45:04,609 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-09 08:45:04,617 INFO L354 Elim1Store]: treesize reduction 13, result has 7.1 percent of original size [2021-11-09 08:45:04,618 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 9 case distinctions, treesize of input 780 treesize of output 720 [2021-11-09 08:45:05,034 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 08:45:05,036 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 08:45:05,037 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 08:45:05,038 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 08:45:05,040 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 08:45:05,041 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 08:45:05,042 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 08:45:05,043 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 08:45:05,045 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 08:45:05,046 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 9 select indices, 9 select index equivalence classes, 16 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 153 treesize of output 75 [2021-11-09 08:45:05,064 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 08:45:05,066 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 08:45:05,068 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 08:45:05,070 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 08:45:05,072 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 08:45:05,073 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 08:45:05,075 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 08:45:05,077 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 08:45:05,078 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-09 08:45:05,080 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 08:45:05,086 INFO L354 Elim1Store]: treesize reduction 13, result has 7.1 percent of original size [2021-11-09 08:45:05,087 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 7 select indices, 7 select index equivalence classes, 17 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 9 case distinctions, treesize of input 109 treesize of output 108 [2021-11-09 08:45:05,947 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-09 08:45:05,957 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 08:45:05,959 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 08:45:06,016 INFO L354 Elim1Store]: treesize reduction 162, result has 12.9 percent of original size [2021-11-09 08:45:06,016 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 5 new quantified variables, introduced 9 case distinctions, treesize of input 309 treesize of output 218 [2021-11-09 08:45:06,026 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 08:45:06,027 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 08:45:06,028 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 08:45:06,030 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 08:45:06,032 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 08:45:06,034 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 08:45:06,035 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 08:45:06,036 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-09 08:45:06,038 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 08:45:06,039 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 08:45:06,040 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 08:45:06,042 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 08:45:06,232 INFO L354 Elim1Store]: treesize reduction 646, result has 11.6 percent of original size [2021-11-09 08:45:06,232 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 16 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 38 case distinctions, treesize of input 260 treesize of output 256 [2021-11-09 08:45:06,238 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-09 08:45:06,240 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 08:45:06,241 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 08:45:06,270 INFO L354 Elim1Store]: treesize reduction 122, result has 22.8 percent of original size [2021-11-09 08:45:06,270 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 9 case distinctions, treesize of input 209 treesize of output 199 [2021-11-09 08:45:07,155 INFO L354 Elim1Store]: treesize reduction 412, result has 39.4 percent of original size [2021-11-09 08:45:07,156 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 21 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 46 case distinctions, treesize of input 220 treesize of output 388 [2021-11-09 08:45:07,194 INFO L354 Elim1Store]: treesize reduction 38, result has 7.3 percent of original size [2021-11-09 08:45:07,195 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 5 new quantified variables, introduced 6 case distinctions, treesize of input 364 treesize of output 282 [2021-11-09 08:45:07,324 INFO L354 Elim1Store]: treesize reduction 278, result has 10.3 percent of original size [2021-11-09 08:45:07,324 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 15 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 39 case distinctions, treesize of input 270 treesize of output 290 [2021-11-09 08:45:07,346 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-09 08:45:07,347 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 3 new quantified variables, introduced 3 case distinctions, treesize of input 266 treesize of output 254 [2021-11-09 08:45:18,124 INFO L354 Elim1Store]: treesize reduction 394, result has 24.2 percent of original size [2021-11-09 08:45:18,124 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 15 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 45 case distinctions, treesize of input 272 treesize of output 308 [2021-11-09 08:47:25,007 INFO L354 Elim1Store]: treesize reduction 274, result has 15.4 percent of original size [2021-11-09 08:47:25,007 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 35 case distinctions, treesize of input 347 treesize of output 232 [2021-11-09 08:47:33,896 INFO L354 Elim1Store]: treesize reduction 92, result has 1.1 percent of original size [2021-11-09 08:47:33,897 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 337 treesize of output 177 [2021-11-09 08:47:34,044 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-09 08:47:34,045 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-09 08:47:34,045 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [216994217] [2021-11-09 08:47:34,045 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-11-09 08:47:34,045 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [645687356] [2021-11-09 08:47:34,045 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [645687356] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-09 08:47:34,046 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2021-11-09 08:47:34,046 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13] total 13 [2021-11-09 08:47:34,046 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1448238689] [2021-11-09 08:47:34,047 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2021-11-09 08:47:34,047 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-09 08:47:34,047 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-11-09 08:47:34,047 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=123, Unknown=0, NotChecked=0, Total=156 [2021-11-09 08:47:34,048 INFO L87 Difference]: Start difference. First operand 2211 states and 2747 transitions. Second operand has 13 states, 13 states have (on average 8.461538461538462) internal successors, (110), 13 states have internal predecessors, (110), 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) [2021-11-09 08:47:44,855 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-09 08:47:44,855 INFO L93 Difference]: Finished difference Result 4310 states and 5365 transitions. [2021-11-09 08:47:44,856 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-11-09 08:47:44,856 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 8.461538461538462) internal successors, (110), 13 states have internal predecessors, (110), 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 110 [2021-11-09 08:47:44,857 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-09 08:47:44,870 INFO L225 Difference]: With dead ends: 4310 [2021-11-09 08:47:44,871 INFO L226 Difference]: Without dead ends: 2241 [2021-11-09 08:47:44,874 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 116 GetRequests, 98 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 59 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=84, Invalid=296, Unknown=0, NotChecked=0, Total=380 [2021-11-09 08:47:44,880 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2241 states. [2021-11-09 08:47:44,925 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2241 to 2233. [2021-11-09 08:47:44,930 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2233 states, 1732 states have (on average 1.6016166281755195) internal successors, (2774), 2232 states have internal predecessors, (2774), 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) [2021-11-09 08:47:44,935 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2233 states to 2233 states and 2774 transitions. [2021-11-09 08:47:44,936 INFO L78 Accepts]: Start accepts. Automaton has 2233 states and 2774 transitions. Word has length 110 [2021-11-09 08:47:44,936 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-09 08:47:44,936 INFO L470 AbstractCegarLoop]: Abstraction has 2233 states and 2774 transitions. [2021-11-09 08:47:44,937 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 8.461538461538462) internal successors, (110), 13 states have internal predecessors, (110), 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) [2021-11-09 08:47:44,937 INFO L276 IsEmpty]: Start isEmpty. Operand 2233 states and 2774 transitions. [2021-11-09 08:47:44,938 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2021-11-09 08:47:44,938 INFO L505 BasicCegarLoop]: Found error trace [2021-11-09 08:47:44,939 INFO L513 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] [2021-11-09 08:47:44,976 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2495e6d-8c6a-4a20-be22-d166a1c8e5c1/bin/uautomizer-IVEQpCNsaX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2021-11-09 08:47:45,153 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2495e6d-8c6a-4a20-be22-d166a1c8e5c1/bin/uautomizer-IVEQpCNsaX/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-09 08:47:45,153 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr500ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 498 more)] === [2021-11-09 08:47:45,154 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-09 08:47:45,154 INFO L85 PathProgramCache]: Analyzing trace with hash 108037212, now seen corresponding path program 1 times [2021-11-09 08:47:45,154 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-09 08:47:45,154 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [281144550] [2021-11-09 08:47:45,154 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-09 08:47:45,154 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-09 08:47:45,195 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-09 08:47:45,199 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1014143996] [2021-11-09 08:47:45,199 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-09 08:47:45,199 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-09 08:47:45,199 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2495e6d-8c6a-4a20-be22-d166a1c8e5c1/bin/uautomizer-IVEQpCNsaX/z3 [2021-11-09 08:47:45,200 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2495e6d-8c6a-4a20-be22-d166a1c8e5c1/bin/uautomizer-IVEQpCNsaX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-09 08:47:45,223 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2495e6d-8c6a-4a20-be22-d166a1c8e5c1/bin/uautomizer-IVEQpCNsaX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2021-11-09 08:47:46,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-09 08:47:46,051 INFO L263 TraceCheckSpWp]: Trace formula consists of 360 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-09 08:47:46,054 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-09 08:47:46,340 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-09 08:47:46,340 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-09 08:47:46,340 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [281144550] [2021-11-09 08:47:46,341 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-11-09 08:47:46,341 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1014143996] [2021-11-09 08:47:46,341 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1014143996] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-09 08:47:46,341 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-09 08:47:46,341 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-09 08:47:46,341 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [537664371] [2021-11-09 08:47:46,342 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-09 08:47:46,342 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-09 08:47:46,343 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-09 08:47:46,343 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-09 08:47:46,343 INFO L87 Difference]: Start difference. First operand 2233 states and 2774 transitions. Second operand has 3 states, 3 states have (on average 36.666666666666664) internal successors, (110), 3 states have internal predecessors, (110), 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) [2021-11-09 08:47:46,422 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-09 08:47:46,423 INFO L93 Difference]: Finished difference Result 4391 states and 5462 transitions. [2021-11-09 08:47:46,424 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-09 08:47:46,424 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 36.666666666666664) internal successors, (110), 3 states have internal predecessors, (110), 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 110 [2021-11-09 08:47:46,425 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-09 08:47:46,438 INFO L225 Difference]: With dead ends: 4391 [2021-11-09 08:47:46,438 INFO L226 Difference]: Without dead ends: 2212 [2021-11-09 08:47:46,442 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 109 GetRequests, 108 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-09 08:47:46,448 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2212 states. [2021-11-09 08:47:46,491 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2212 to 2212. [2021-11-09 08:47:46,496 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2212 states, 1711 states have (on average 1.6060783167738164) internal successors, (2748), 2211 states have internal predecessors, (2748), 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) [2021-11-09 08:47:46,501 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2212 states to 2212 states and 2748 transitions. [2021-11-09 08:47:46,501 INFO L78 Accepts]: Start accepts. Automaton has 2212 states and 2748 transitions. Word has length 110 [2021-11-09 08:47:46,502 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-09 08:47:46,502 INFO L470 AbstractCegarLoop]: Abstraction has 2212 states and 2748 transitions. [2021-11-09 08:47:46,502 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 36.666666666666664) internal successors, (110), 3 states have internal predecessors, (110), 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) [2021-11-09 08:47:46,502 INFO L276 IsEmpty]: Start isEmpty. Operand 2212 states and 2748 transitions. [2021-11-09 08:47:46,503 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2021-11-09 08:47:46,504 INFO L505 BasicCegarLoop]: Found error trace [2021-11-09 08:47:46,504 INFO L513 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, 1] [2021-11-09 08:47:46,545 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2495e6d-8c6a-4a20-be22-d166a1c8e5c1/bin/uautomizer-IVEQpCNsaX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2021-11-09 08:47:46,725 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2495e6d-8c6a-4a20-be22-d166a1c8e5c1/bin/uautomizer-IVEQpCNsaX/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2021-11-09 08:47:46,726 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr500ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 498 more)] === [2021-11-09 08:47:46,726 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-09 08:47:46,726 INFO L85 PathProgramCache]: Analyzing trace with hash -949669425, now seen corresponding path program 1 times [2021-11-09 08:47:46,726 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-09 08:47:46,726 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1631565607] [2021-11-09 08:47:46,726 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-09 08:47:46,727 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-09 08:47:46,756 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-09 08:47:46,756 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1463604404] [2021-11-09 08:47:46,756 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-09 08:47:46,756 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-09 08:47:46,757 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2495e6d-8c6a-4a20-be22-d166a1c8e5c1/bin/uautomizer-IVEQpCNsaX/z3 [2021-11-09 08:47:46,758 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2495e6d-8c6a-4a20-be22-d166a1c8e5c1/bin/uautomizer-IVEQpCNsaX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-09 08:47:46,793 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2495e6d-8c6a-4a20-be22-d166a1c8e5c1/bin/uautomizer-IVEQpCNsaX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2021-11-09 08:47:47,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-09 08:47:47,463 INFO L263 TraceCheckSpWp]: Trace formula consists of 366 conjuncts, 60 conjunts are in the unsatisfiable core [2021-11-09 08:47:47,468 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-09 08:47:47,492 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 [2021-11-09 08:47:47,519 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 [2021-11-09 08:47:47,624 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 08:47:47,626 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 [2021-11-09 08:47:47,800 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 08:47:47,809 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 08:47:47,812 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 08:47:47,814 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 [2021-11-09 08:47:50,114 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 08:47:50,116 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 08:47:50,118 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 08:47:50,120 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 08:47:50,122 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 08:47:50,124 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 08:47:50,125 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 08:47:50,127 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 61 treesize of output 55 [2021-11-09 08:47:50,140 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 08:47:50,142 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 08:47:50,144 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 08:47:50,146 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 08:47:50,148 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 [2021-11-09 08:47:50,358 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 08:47:50,360 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 08:47:50,362 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 08:47:50,364 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 08:47:50,366 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 08:47:50,368 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 08:47:50,370 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 08:47:50,372 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 08:47:50,374 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 08:47:50,376 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 08:47:50,378 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 08:47:50,382 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 [2021-11-09 08:47:50,484 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 29 treesize of output 25 [2021-11-09 08:47:50,498 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 08:47:50,534 INFO L354 Elim1Store]: treesize reduction 8, result has 72.4 percent of original size [2021-11-09 08:47:50,535 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 22 treesize of output 30 [2021-11-09 08:47:50,566 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 [2021-11-09 08:47:50,583 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 08:47:50,586 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 08:47:50,589 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 08:47:50,591 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 08:47:50,593 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 08:47:50,595 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 08:47:50,597 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 08:47:50,599 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 [2021-11-09 08:47:51,002 INFO L354 Elim1Store]: treesize reduction 35, result has 20.5 percent of original size [2021-11-09 08:47:51,002 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 139 treesize of output 99 [2021-11-09 08:47:51,056 INFO L354 Elim1Store]: treesize reduction 49, result has 15.5 percent of original size [2021-11-09 08:47:51,056 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 129 treesize of output 122 [2021-11-09 08:47:51,085 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 08:47:51,088 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 08:47:51,090 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 08:47:51,092 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 08:47:51,173 INFO L354 Elim1Store]: treesize reduction 236, result has 12.3 percent of original size [2021-11-09 08:47:51,174 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 148 treesize of output 150 [2021-11-09 08:47:58,158 WARN L207 SmtUtils]: Spent 6.53 s on a formula simplification. DAG size of input: 93 DAG size of output: 39 [2021-11-09 08:47:58,158 INFO L354 Elim1Store]: treesize reduction 547, result has 15.5 percent of original size [2021-11-09 08:47:58,159 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 6 new quantified variables, introduced 7 case distinctions, treesize of input 2907 treesize of output 2371 [2021-11-09 08:47:58,234 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 08:47:58,236 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 08:47:58,237 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 08:47:58,238 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 08:48:09,053 WARN L207 SmtUtils]: Spent 10.81 s on a formula simplification. DAG size of input: 414 DAG size of output: 106 [2021-11-09 08:48:09,054 INFO L354 Elim1Store]: treesize reduction 9069, result has 4.8 percent of original size [2021-11-09 08:48:09,055 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 5 select indices, 5 select index equivalence classes, 7 disjoint index pairs (out of 10 index pairs), introduced 7 new quantified variables, introduced 22 case distinctions, treesize of input 3462 treesize of output 2164 [2021-11-09 08:48:09,112 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 08:48:12,428 INFO L354 Elim1Store]: treesize reduction 797, result has 18.9 percent of original size [2021-11-09 08:48:12,429 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 4 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 8 new quantified variables, introduced 13 case distinctions, treesize of input 2415 treesize of output 2138 [2021-11-09 08:48:40,899 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 08:48:40,901 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 3 new quantified variables, introduced 0 case distinctions, treesize of input 54 treesize of output 24 [2021-11-09 08:48:42,826 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 08:48:42,846 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 08:48:42,847 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 08:48:42,849 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 08:48:42,850 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-09 08:48:42,856 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 08:48:42,859 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 08:48:42,861 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 08:48:42,863 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 08:49:05,431 WARN L207 SmtUtils]: Spent 22.56 s on a formula simplification. DAG size of input: 621 DAG size of output: 174 [2021-11-09 08:49:05,433 INFO L354 Elim1Store]: treesize reduction 22384, result has 2.6 percent of original size [2021-11-09 08:49:05,434 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 6 stores, 4 select indices, 4 select index equivalence classes, 9 disjoint index pairs (out of 6 index pairs), introduced 18 new quantified variables, introduced 42 case distinctions, treesize of input 62531 treesize of output 35347 [2021-11-09 08:49:05,843 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-09 08:49:06,632 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 08:49:06,689 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 08:49:06,743 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 08:49:06,803 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 08:49:06,843 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 08:49:06,845 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-09 08:49:06,912 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-09 08:49:06,964 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 08:49:06,964 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-09 08:49:07,036 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 08:49:07,037 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-09 08:49:07,202 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 08:49:07,495 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 08:49:07,659 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 08:49:07,800 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 08:49:07,956 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 08:49:08,066 INFO L244 Elim1Store]: Index analysis took 1502 ms [2021-11-09 08:49:10,989 INFO L354 Elim1Store]: treesize reduction 250, result has 49.3 percent of original size [2021-11-09 08:49:10,989 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 8 select indices, 8 select index equivalence classes, 11 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 8 case distinctions, treesize of input 2039 treesize of output 1289 [2021-11-09 08:49:12,331 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 08:49:12,363 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 08:49:12,405 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 08:49:12,424 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 08:49:12,457 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 08:49:12,458 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-09 08:49:12,474 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 08:49:12,475 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-09 08:49:12,499 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 08:49:12,500 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-09 08:49:12,618 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 08:49:12,620 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-09 08:49:12,672 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 08:49:12,716 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 08:49:12,866 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 08:49:12,921 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 08:49:13,045 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 08:49:13,097 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 08:49:13,300 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 08:49:13,300 INFO L244 Elim1Store]: Index analysis took 1040 ms [2021-11-09 08:49:14,553 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-09 08:49:14,553 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 8 select indices, 8 select index equivalence classes, 14 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 5 case distinctions, treesize of input 2017 treesize of output 1369 [2021-11-09 08:49:39,029 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 08:49:39,044 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 08:49:39,053 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 08:49:39,063 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 08:49:39,076 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 08:49:39,077 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-09 08:49:39,087 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 08:49:39,089 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-09 08:49:39,090 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-09 08:49:39,106 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 08:49:39,107 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-09 08:49:39,116 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 08:49:39,122 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 08:49:39,132 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 08:49:39,142 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 08:49:39,152 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 08:49:39,163 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 08:49:39,173 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 08:49:39,184 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 08:49:39,184 INFO L244 Elim1Store]: Index analysis took 166 ms [2021-11-09 08:49:39,198 INFO L354 Elim1Store]: treesize reduction 72, result has 1.4 percent of original size [2021-11-09 08:49:39,199 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 8 select indices, 8 select index equivalence classes, 14 disjoint index pairs (out of 28 index pairs), introduced 9 new quantified variables, introduced 5 case distinctions, treesize of input 3854 treesize of output 2351 [2021-11-09 08:49:40,032 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 08:49:40,053 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 08:49:40,083 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 08:49:40,097 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 08:49:40,113 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 08:49:40,114 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-09 08:49:40,130 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 08:49:40,131 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-09 08:49:40,142 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 08:49:40,143 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-09 08:49:40,161 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 08:49:40,161 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-09 08:49:40,174 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 08:49:40,189 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 08:49:40,205 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 08:49:40,212 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 08:49:40,225 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 08:49:40,236 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 08:49:40,250 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 08:49:40,266 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 08:49:40,275 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 08:49:40,287 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 08:49:40,297 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 08:49:40,304 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 08:49:40,305 INFO L244 Elim1Store]: Index analysis took 289 ms [2021-11-09 08:49:40,307 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 8 select indices, 8 select index equivalence classes, 19 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 0 case distinctions, treesize of input 3651 treesize of output 2289 [2021-11-09 08:49:59,930 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 08:49:59,946 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 08:49:59,968 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 08:49:59,980 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 08:49:59,995 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 08:49:59,995 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-09 08:50:00,032 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-09 08:50:00,066 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-09 08:50:00,095 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-09 08:50:00,146 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 08:50:00,157 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 08:50:00,167 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 08:50:00,177 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 08:50:00,190 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 08:50:00,200 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 08:50:00,213 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 08:50:00,223 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 08:50:00,233 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 08:50:00,243 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 08:50:00,244 INFO L244 Elim1Store]: Index analysis took 339 ms [2021-11-09 08:50:00,669 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-09 08:50:00,670 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 8 select indices, 8 select index equivalence classes, 14 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 5 case distinctions, treesize of input 2004 treesize of output 1344 [2021-11-09 08:50:01,568 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 08:50:01,569 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 3 new quantified variables, introduced 0 case distinctions, treesize of input 66 treesize of output 30 [2021-11-09 08:50:03,507 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 08:50:03,508 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 3 new quantified variables, introduced 0 case distinctions, treesize of input 64 treesize of output 28 [2021-11-09 08:50:03,521 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-09 08:50:03,525 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 08:50:03,526 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 08:50:03,548 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-09 08:50:03,551 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 08:50:03,553 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 08:50:03,555 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 08:50:03,557 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 08:50:03,561 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 08:50:03,564 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 08:50:03,567 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 08:50:03,569 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 08:50:03,573 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 08:50:03,576 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 08:50:03,837 INFO L354 Elim1Store]: treesize reduction 144, result has 33.6 percent of original size [2021-11-09 08:50:03,838 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 8 stores, 2 select indices, 2 select index equivalence classes, 10 disjoint index pairs (out of 1 index pairs), introduced 11 new quantified variables, introduced 9 case distinctions, treesize of input 2526 treesize of output 1466 [2021-11-09 08:50:04,111 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 08:50:04,113 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 08:50:04,116 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 08:50:04,119 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 08:50:04,121 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 08:50:04,124 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 08:50:04,127 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 08:50:04,129 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 08:50:04,131 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 08:50:04,134 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 08:50:04,136 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 08:50:04,147 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-09 08:50:04,148 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 13 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 [2021-11-09 08:50:04,249 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 08:50:04,258 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 08:50:04,261 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 08:50:04,264 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 08:50:04,268 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 08:50:04,271 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 08:50:04,275 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 08:50:04,278 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 08:50:04,281 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 08:50:04,285 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 08:50:04,288 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 08:50:04,292 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 08:50:04,295 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 08:50:04,304 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-09 08:50:04,305 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 9 case distinctions, treesize of input 239 treesize of output 109 [2021-11-09 08:50:04,348 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 08:50:04,351 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 08:50:04,354 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 08:50:04,359 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 08:50:04,362 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 08:50:04,366 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 08:50:04,369 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 08:50:04,373 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 08:50:04,377 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 08:50:04,380 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 08:50:04,383 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 08:50:04,386 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 08:50:04,396 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-09 08:50:04,397 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 14 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 8 case distinctions, treesize of input 419 treesize of output 229 [2021-11-09 08:50:04,774 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 08:50:04,775 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 08:50:04,776 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-09 08:50:04,777 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 08:50:04,778 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 08:50:04,781 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 08:50:04,782 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 08:50:04,784 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 08:50:04,786 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 08:50:04,787 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 08:50:04,788 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 08:50:04,797 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-09 08:50:04,798 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 8 new quantified variables, introduced 15 case distinctions, treesize of input 1319 treesize of output 889 [2021-11-09 08:50:04,814 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 08:50:04,815 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 08:50:04,816 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-09 08:50:04,817 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 08:50:04,819 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 08:50:04,820 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 08:50:04,822 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 08:50:04,823 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 08:50:04,826 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 08:50:04,827 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 08:50:04,828 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 08:50:04,837 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-09 08:50:04,837 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 8 new quantified variables, introduced 15 case distinctions, treesize of input 1117 treesize of output 699 [2021-11-09 08:50:04,852 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-09 08:50:04,853 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 08:50:04,855 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 08:50:04,856 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 08:50:04,857 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 08:50:04,859 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 08:50:04,860 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 08:50:04,862 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 08:50:04,863 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 08:50:04,865 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 08:50:04,866 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 08:50:04,871 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-09 08:50:04,871 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 8 new quantified variables, introduced 15 case distinctions, treesize of input 891 treesize of output 569 [2021-11-09 08:50:04,884 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 08:50:04,885 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 08:50:04,886 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 08:50:04,887 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-09 08:50:04,888 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 08:50:04,890 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 08:50:04,891 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 08:50:04,893 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 08:50:04,894 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 08:50:04,895 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 08:50:04,897 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 08:50:04,901 INFO L354 Elim1Store]: treesize reduction 13, result has 7.1 percent of original size [2021-11-09 08:50:04,902 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 15 case distinctions, treesize of input 677 treesize of output 571 [2021-11-09 08:50:05,170 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 08:50:05,172 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 08:50:05,175 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 08:50:05,177 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 08:50:05,178 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 08:50:05,180 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 08:50:05,181 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 08:50:05,183 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 08:50:05,184 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 08:50:05,186 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 08:50:05,187 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 08:50:05,195 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 08:50:05,197 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 08:50:05,200 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 08:50:05,202 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 08:50:05,204 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 08:50:05,206 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 08:50:05,208 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 08:50:05,210 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 08:50:05,213 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 08:50:05,215 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 08:50:05,217 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 08:50:05,219 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 08:50:05,220 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 08:50:05,223 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 08:50:05,223 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-09 08:50:05,226 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 08:50:05,234 INFO L354 Elim1Store]: treesize reduction 28, result has 3.4 percent of original size [2021-11-09 08:50:05,234 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 24 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 15 case distinctions, treesize of input 207 treesize of output 224 [2021-11-09 08:50:05,311 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 08:50:05,313 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 08:50:05,314 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 08:50:05,316 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 08:50:05,317 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 08:50:05,319 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 08:50:05,321 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 08:50:05,322 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 08:50:05,324 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 08:50:05,326 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 08:50:05,327 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 08:50:05,328 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 8 select indices, 8 select index equivalence classes, 12 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 0 case distinctions, treesize of input 170 treesize of output 68 [2021-11-09 08:50:05,348 INFO L354 Elim1Store]: treesize reduction 48, result has 2.0 percent of original size [2021-11-09 08:50:05,348 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 5 new quantified variables, introduced 3 case distinctions, treesize of input 241 treesize of output 155 [2021-11-09 08:50:06,424 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-09 08:50:06,495 INFO L354 Elim1Store]: treesize reduction 268, result has 12.4 percent of original size [2021-11-09 08:50:06,496 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 369 treesize of output 278 [2021-11-09 08:50:06,507 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 08:50:06,508 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 08:50:06,509 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 08:50:06,511 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 08:50:06,741 INFO L354 Elim1Store]: treesize reduction 1264, result has 8.5 percent of original size [2021-11-09 08:50:06,741 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 320 treesize of output 316 [2021-11-09 08:50:06,752 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-09 08:50:06,801 INFO L354 Elim1Store]: treesize reduction 170, result has 17.5 percent of original size [2021-11-09 08:50:06,801 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 269 treesize of output 217 [2021-11-09 08:50:08,251 INFO L354 Elim1Store]: treesize reduction 1156, result has 22.5 percent of original size [2021-11-09 08:50:08,252 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 264 treesize of output 476 [2021-11-09 08:50:08,274 INFO L354 Elim1Store]: treesize reduction 52, result has 1.9 percent of original size [2021-11-09 08:50:08,275 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 452 treesize of output 357 [2021-11-09 08:50:08,291 INFO L354 Elim1Store]: treesize reduction 32, result has 3.0 percent of original size [2021-11-09 08:50:08,291 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 348 treesize of output 286 [2021-11-09 08:50:08,406 INFO L354 Elim1Store]: treesize reduction 278, result has 10.3 percent of original size [2021-11-09 08:50:08,406 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 15 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 39 case distinctions, treesize of input 249 treesize of output 269 [2021-11-09 08:50:25,755 INFO L354 Elim1Store]: treesize reduction 394, result has 24.2 percent of original size [2021-11-09 08:50:25,755 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 15 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 45 case distinctions, treesize of input 272 treesize of output 308 [2021-11-09 08:51:52,424 INFO L354 Elim1Store]: treesize reduction 274, result has 15.4 percent of original size [2021-11-09 08:51:52,425 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 35 case distinctions, treesize of input 399 treesize of output 252 [2021-11-09 08:51:56,823 INFO L354 Elim1Store]: treesize reduction 92, result has 1.1 percent of original size [2021-11-09 08:51:56,824 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 389 treesize of output 197 [2021-11-09 08:51:57,009 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-09 08:51:57,010 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-09 08:51:57,010 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1631565607] [2021-11-09 08:51:57,010 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-11-09 08:51:57,010 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1463604404] [2021-11-09 08:51:57,010 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1463604404] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-09 08:51:57,011 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2021-11-09 08:51:57,011 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15] total 15 [2021-11-09 08:51:57,011 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1258431146] [2021-11-09 08:51:57,012 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2021-11-09 08:51:57,012 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-09 08:51:57,012 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-11-09 08:51:57,013 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=171, Unknown=0, NotChecked=0, Total=210 [2021-11-09 08:51:57,013 INFO L87 Difference]: Start difference. First operand 2212 states and 2748 transitions. Second operand has 15 states, 15 states have (on average 7.4) internal successors, (111), 15 states have internal predecessors, (111), 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) [2021-11-09 08:52:12,092 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-09 08:52:12,092 INFO L93 Difference]: Finished difference Result 4308 states and 5362 transitions. [2021-11-09 08:52:12,093 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-11-09 08:52:12,093 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 15 states have (on average 7.4) internal successors, (111), 15 states have internal predecessors, (111), 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 111 [2021-11-09 08:52:12,093 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-09 08:52:12,106 INFO L225 Difference]: With dead ends: 4308 [2021-11-09 08:52:12,106 INFO L226 Difference]: Without dead ends: 2239 [2021-11-09 08:52:12,109 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 120 GetRequests, 97 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 106 ImplicationChecksByTransitivity, 2.6s TimeCoverageRelationStatistics Valid=124, Invalid=476, Unknown=0, NotChecked=0, Total=600 [2021-11-09 08:52:12,114 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2239 states. [2021-11-09 08:52:12,154 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2239 to 2231. [2021-11-09 08:52:12,158 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2231 states, 1730 states have (on average 1.6017341040462427) internal successors, (2771), 2230 states have internal predecessors, (2771), 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) [2021-11-09 08:52:12,163 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2231 states to 2231 states and 2771 transitions. [2021-11-09 08:52:12,163 INFO L78 Accepts]: Start accepts. Automaton has 2231 states and 2771 transitions. Word has length 111 [2021-11-09 08:52:12,163 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-09 08:52:12,164 INFO L470 AbstractCegarLoop]: Abstraction has 2231 states and 2771 transitions. [2021-11-09 08:52:12,164 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 7.4) internal successors, (111), 15 states have internal predecessors, (111), 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) [2021-11-09 08:52:12,164 INFO L276 IsEmpty]: Start isEmpty. Operand 2231 states and 2771 transitions. [2021-11-09 08:52:12,165 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2021-11-09 08:52:12,165 INFO L505 BasicCegarLoop]: Found error trace [2021-11-09 08:52:12,166 INFO L513 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, 1] [2021-11-09 08:52:12,208 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2495e6d-8c6a-4a20-be22-d166a1c8e5c1/bin/uautomizer-IVEQpCNsaX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2021-11-09 08:52:12,393 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2495e6d-8c6a-4a20-be22-d166a1c8e5c1/bin/uautomizer-IVEQpCNsaX/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2021-11-09 08:52:12,393 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr500ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 498 more)] === [2021-11-09 08:52:12,393 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-09 08:52:12,393 INFO L85 PathProgramCache]: Analyzing trace with hash -1383398511, now seen corresponding path program 1 times [2021-11-09 08:52:12,394 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-09 08:52:12,394 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [402383513] [2021-11-09 08:52:12,394 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-09 08:52:12,394 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-09 08:52:12,427 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-09 08:52:12,433 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [345362319] [2021-11-09 08:52:12,433 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-09 08:52:12,433 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-09 08:52:12,434 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2495e6d-8c6a-4a20-be22-d166a1c8e5c1/bin/uautomizer-IVEQpCNsaX/z3 [2021-11-09 08:52:12,434 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2495e6d-8c6a-4a20-be22-d166a1c8e5c1/bin/uautomizer-IVEQpCNsaX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-09 08:52:12,457 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2495e6d-8c6a-4a20-be22-d166a1c8e5c1/bin/uautomizer-IVEQpCNsaX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2021-11-09 08:52:13,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-09 08:52:13,654 INFO L263 TraceCheckSpWp]: Trace formula consists of 366 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-09 08:52:13,656 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-09 08:52:13,998 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-09 08:52:13,999 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-09 08:52:13,999 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [402383513] [2021-11-09 08:52:13,999 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-11-09 08:52:13,999 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [345362319] [2021-11-09 08:52:13,999 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [345362319] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-09 08:52:13,999 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2021-11-09 08:52:13,999 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4] total 4 [2021-11-09 08:52:14,000 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2141650058] [2021-11-09 08:52:14,000 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-09 08:52:14,000 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-09 08:52:14,001 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-09 08:52:14,001 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-09 08:52:14,002 INFO L87 Difference]: Start difference. First operand 2231 states and 2771 transitions. Second operand has 4 states, 4 states have (on average 27.75) internal successors, (111), 4 states have internal predecessors, (111), 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) [2021-11-09 08:52:14,122 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-09 08:52:14,122 INFO L93 Difference]: Finished difference Result 6539 states and 8137 transitions. [2021-11-09 08:52:14,123 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-09 08:52:14,123 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 27.75) internal successors, (111), 4 states have internal predecessors, (111), 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 111 [2021-11-09 08:52:14,124 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-09 08:52:14,146 INFO L225 Difference]: With dead ends: 6539 [2021-11-09 08:52:14,146 INFO L226 Difference]: Without dead ends: 4367 [2021-11-09 08:52:14,150 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 110 GetRequests, 108 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-09 08:52:14,157 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4367 states. [2021-11-09 08:52:14,206 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4367 to 2213. [2021-11-09 08:52:14,209 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2213 states, 1712 states have (on average 1.6057242990654206) internal successors, (2749), 2212 states have internal predecessors, (2749), 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) [2021-11-09 08:52:14,213 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2213 states to 2213 states and 2749 transitions. [2021-11-09 08:52:14,214 INFO L78 Accepts]: Start accepts. Automaton has 2213 states and 2749 transitions. Word has length 111 [2021-11-09 08:52:14,214 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-09 08:52:14,214 INFO L470 AbstractCegarLoop]: Abstraction has 2213 states and 2749 transitions. [2021-11-09 08:52:14,214 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 27.75) internal successors, (111), 4 states have internal predecessors, (111), 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) [2021-11-09 08:52:14,215 INFO L276 IsEmpty]: Start isEmpty. Operand 2213 states and 2749 transitions. [2021-11-09 08:52:14,216 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2021-11-09 08:52:14,216 INFO L505 BasicCegarLoop]: Found error trace [2021-11-09 08:52:14,216 INFO L513 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, 1, 1] [2021-11-09 08:52:14,263 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2495e6d-8c6a-4a20-be22-d166a1c8e5c1/bin/uautomizer-IVEQpCNsaX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 0 [2021-11-09 08:52:14,429 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2495e6d-8c6a-4a20-be22-d166a1c8e5c1/bin/uautomizer-IVEQpCNsaX/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2021-11-09 08:52:14,429 INFO L402 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr500ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 498 more)] === [2021-11-09 08:52:14,429 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-09 08:52:14,429 INFO L85 PathProgramCache]: Analyzing trace with hash -718645671, now seen corresponding path program 1 times [2021-11-09 08:52:14,430 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-09 08:52:14,430 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1069262448] [2021-11-09 08:52:14,430 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-09 08:52:14,430 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-09 08:52:14,457 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-09 08:52:14,457 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [562541760] [2021-11-09 08:52:14,457 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-09 08:52:14,458 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-09 08:52:14,458 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2495e6d-8c6a-4a20-be22-d166a1c8e5c1/bin/uautomizer-IVEQpCNsaX/z3 [2021-11-09 08:52:14,459 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2495e6d-8c6a-4a20-be22-d166a1c8e5c1/bin/uautomizer-IVEQpCNsaX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-09 08:52:14,464 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2495e6d-8c6a-4a20-be22-d166a1c8e5c1/bin/uautomizer-IVEQpCNsaX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2021-11-09 08:52:15,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-09 08:52:15,455 INFO L263 TraceCheckSpWp]: Trace formula consists of 372 conjuncts, 79 conjunts are in the unsatisfiable core [2021-11-09 08:52:15,460 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-09 08:52:15,487 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 [2021-11-09 08:52:15,504 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 [2021-11-09 08:52:15,616 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 08:52:15,618 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 [2021-11-09 08:52:15,812 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 08:52:15,819 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 08:52:15,820 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 08:52:15,822 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 [2021-11-09 08:52:18,585 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 08:52:18,588 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 08:52:18,590 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 08:52:18,592 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 08:52:18,594 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 08:52:18,596 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 08:52:18,599 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 08:52:18,601 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 [2021-11-09 08:52:18,618 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 08:52:18,621 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 08:52:18,623 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 08:52:18,625 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 08:52:18,628 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 51 treesize of output 44 [2021-11-09 08:52:18,894 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 08:52:18,896 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 08:52:18,899 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 08:52:18,901 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 08:52:18,904 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 08:52:18,906 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 08:52:18,908 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 08:52:18,910 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 7 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 85 treesize of output 66 [2021-11-09 08:52:18,927 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 08:52:18,929 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 08:52:18,931 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 08:52:18,934 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 08:52:18,936 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 08:52:18,938 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 08:52:18,940 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 08:52:18,943 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 7 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 66 treesize of output 47 [2021-11-09 08:52:19,120 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 [2021-11-09 08:52:19,153 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 08:52:19,155 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 08:52:19,159 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 08:52:19,161 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 08:52:19,163 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 08:52:19,165 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 08:52:19,167 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 08:52:19,169 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 7 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 66 treesize of output 47 [2021-11-09 08:52:19,224 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 [2021-11-09 08:52:19,240 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 08:52:19,312 INFO L354 Elim1Store]: treesize reduction 60, result has 34.1 percent of original size [2021-11-09 08:52:19,313 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 [2021-11-09 08:52:19,818 INFO L354 Elim1Store]: treesize reduction 35, result has 20.5 percent of original size [2021-11-09 08:52:19,819 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 150 treesize of output 104 [2021-11-09 08:52:19,831 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 08:52:19,832 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 08:52:19,834 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 08:52:19,835 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 08:52:19,896 INFO L354 Elim1Store]: treesize reduction 172, result has 16.1 percent of original size [2021-11-09 08:52:19,897 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 140 treesize of output 142 [2021-11-09 08:52:19,929 INFO L354 Elim1Store]: treesize reduction 61, result has 12.9 percent of original size [2021-11-09 08:52:19,930 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 127 treesize of output 120 [2021-11-09 08:52:27,859 WARN L207 SmtUtils]: Spent 7.49 s on a formula simplification. DAG size of input: 93 DAG size of output: 39 [2021-11-09 08:52:27,859 INFO L354 Elim1Store]: treesize reduction 547, result has 15.5 percent of original size [2021-11-09 08:52:27,860 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 6 new quantified variables, introduced 7 case distinctions, treesize of input 2901 treesize of output 2371 [2021-11-09 08:52:27,925 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 08:52:27,927 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 08:52:27,928 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 08:52:27,934 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 08:52:40,320 WARN L207 SmtUtils]: Spent 12.38 s on a formula simplification. DAG size of input: 414 DAG size of output: 106 [2021-11-09 08:52:40,321 INFO L354 Elim1Store]: treesize reduction 9105, result has 4.4 percent of original size [2021-11-09 08:52:40,321 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 5 select indices, 5 select index equivalence classes, 7 disjoint index pairs (out of 10 index pairs), introduced 7 new quantified variables, introduced 22 case distinctions, treesize of input 3456 treesize of output 2122 [2021-11-09 08:52:40,379 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 08:52:43,951 INFO L354 Elim1Store]: treesize reduction 797, result has 18.9 percent of original size [2021-11-09 08:52:43,952 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 4 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 8 new quantified variables, introduced 13 case distinctions, treesize of input 2380 treesize of output 2121 [2021-11-09 08:52:44,320 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 08:52:44,657 INFO L354 Elim1Store]: treesize reduction 44, result has 25.4 percent of original size [2021-11-09 08:52:44,658 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 18368 treesize of output 18368 [2021-11-09 08:52:59,463 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-09 08:52:59,510 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 08:52:59,512 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-09 08:52:59,565 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 08:52:59,566 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-09 08:52:59,594 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 08:52:59,651 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 08:52:59,683 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 08:52:59,721 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 08:52:59,739 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 08:52:59,762 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 08:52:59,792 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 08:52:59,825 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 08:52:59,825 INFO L244 Elim1Store]: Index analysis took 363 ms [2021-11-09 08:52:59,828 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 8 select indices, 8 select index equivalence classes, 14 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 0 case distinctions, treesize of input 894 treesize of output 408 [2021-11-09 08:53:00,058 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 08:53:00,060 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 4 new quantified variables, introduced 0 case distinctions, treesize of input 581 treesize of output 418 [2021-11-09 08:53:00,125 INFO L354 Elim1Store]: treesize reduction 17, result has 5.6 percent of original size [2021-11-09 08:53:00,125 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 528 treesize of output 492 [2021-11-09 08:53:00,740 INFO L354 Elim1Store]: treesize reduction 9, result has 10.0 percent of original size [2021-11-09 08:53:00,740 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 4 new quantified variables, introduced 1 case distinctions, treesize of input 188 treesize of output 115 [2021-11-09 08:53:01,694 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 08:53:01,695 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 40 treesize of output 20 [2021-11-09 08:53:01,926 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-09 08:53:01,994 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-09 08:53:01,996 INFO L190 IndexEqualityManager]: detected not equals via solver