./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/uthash-2.0.2/uthash_SAX_test9-1.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_d39e7096-c984-4ad7-989c-3ae375649749/bin/uautomizer-IVEQpCNsaX/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d39e7096-c984-4ad7-989c-3ae375649749/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_d39e7096-c984-4ad7-989c-3ae375649749/bin/uautomizer-IVEQpCNsaX/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d39e7096-c984-4ad7-989c-3ae375649749/bin/uautomizer-IVEQpCNsaX/config/AutomizerReach.xml -i ../../sv-benchmarks/c/uthash-2.0.2/uthash_SAX_test9-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d39e7096-c984-4ad7-989c-3ae375649749/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_d39e7096-c984-4ad7-989c-3ae375649749/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 e2cb3c9a8570b7ee66b623ed5fd2a1832f018e766f6bb5120cee7430951770d6 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-f8e1c90 [2021-11-09 09:38:30,892 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-09 09:38:30,895 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-09 09:38:30,951 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-09 09:38:30,952 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-09 09:38:30,956 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-09 09:38:30,958 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-09 09:38:30,962 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-09 09:38:30,965 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-09 09:38:30,970 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-09 09:38:30,972 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-09 09:38:30,974 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-09 09:38:30,974 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-09 09:38:30,977 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-09 09:38:30,979 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-09 09:38:30,987 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-09 09:38:30,989 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-09 09:38:30,990 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-09 09:38:30,993 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-09 09:38:31,000 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-09 09:38:31,003 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-09 09:38:31,004 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-09 09:38:31,008 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-09 09:38:31,009 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-09 09:38:31,018 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-09 09:38:31,019 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-09 09:38:31,019 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-09 09:38:31,021 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-09 09:38:31,022 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-09 09:38:31,024 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-09 09:38:31,024 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-09 09:38:31,025 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-09 09:38:31,027 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-09 09:38:31,029 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-09 09:38:31,030 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-09 09:38:31,031 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-09 09:38:31,032 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-09 09:38:31,032 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-09 09:38:31,032 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-09 09:38:31,033 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-09 09:38:31,034 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-09 09:38:31,035 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d39e7096-c984-4ad7-989c-3ae375649749/bin/uautomizer-IVEQpCNsaX/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-11-09 09:38:31,076 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-09 09:38:31,076 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-09 09:38:31,077 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-09 09:38:31,077 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-09 09:38:31,085 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-09 09:38:31,085 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-09 09:38:31,086 INFO L138 SettingsManager]: * Use SBE=true [2021-11-09 09:38:31,086 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-09 09:38:31,086 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-09 09:38:31,086 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-09 09:38:31,087 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-09 09:38:31,088 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-09 09:38:31,088 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-09 09:38:31,088 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-09 09:38:31,088 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-09 09:38:31,089 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-09 09:38:31,089 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-09 09:38:31,089 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-09 09:38:31,089 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-09 09:38:31,090 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-09 09:38:31,090 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-09 09:38:31,090 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-09 09:38:31,090 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-09 09:38:31,091 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-09 09:38:31,091 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-09 09:38:31,091 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-09 09:38:31,091 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-11-09 09:38:31,092 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-09 09:38:31,092 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-11-09 09:38:31,093 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-11-09 09:38:31,094 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-09 09:38:31,094 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-09 09:38:31,094 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_d39e7096-c984-4ad7-989c-3ae375649749/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d39e7096-c984-4ad7-989c-3ae375649749/bin/uautomizer-IVEQpCNsaX Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e2cb3c9a8570b7ee66b623ed5fd2a1832f018e766f6bb5120cee7430951770d6 [2021-11-09 09:38:31,404 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-09 09:38:31,436 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-09 09:38:31,438 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-09 09:38:31,439 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-09 09:38:31,440 INFO L275 PluginConnector]: CDTParser initialized [2021-11-09 09:38:31,441 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d39e7096-c984-4ad7-989c-3ae375649749/bin/uautomizer-IVEQpCNsaX/../../sv-benchmarks/c/uthash-2.0.2/uthash_SAX_test9-1.i [2021-11-09 09:38:31,514 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d39e7096-c984-4ad7-989c-3ae375649749/bin/uautomizer-IVEQpCNsaX/data/46ed23794/8c9843b2e4ed4f81869ddf5aa488ff4b/FLAG8ec408c7a [2021-11-09 09:38:32,226 INFO L306 CDTParser]: Found 1 translation units. [2021-11-09 09:38:32,227 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d39e7096-c984-4ad7-989c-3ae375649749/sv-benchmarks/c/uthash-2.0.2/uthash_SAX_test9-1.i [2021-11-09 09:38:32,261 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d39e7096-c984-4ad7-989c-3ae375649749/bin/uautomizer-IVEQpCNsaX/data/46ed23794/8c9843b2e4ed4f81869ddf5aa488ff4b/FLAG8ec408c7a [2021-11-09 09:38:32,368 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d39e7096-c984-4ad7-989c-3ae375649749/bin/uautomizer-IVEQpCNsaX/data/46ed23794/8c9843b2e4ed4f81869ddf5aa488ff4b [2021-11-09 09:38:32,370 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-09 09:38:32,372 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-09 09:38:32,378 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-09 09:38:32,378 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-09 09:38:32,382 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-09 09:38:32,383 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 09:38:32" (1/1) ... [2021-11-09 09:38:32,385 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1c6d0ace and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 09:38:32, skipping insertion in model container [2021-11-09 09:38:32,385 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 09:38:32" (1/1) ... [2021-11-09 09:38:32,411 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-09 09:38:32,480 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-09 09:38:32,959 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_d39e7096-c984-4ad7-989c-3ae375649749/sv-benchmarks/c/uthash-2.0.2/uthash_SAX_test9-1.i[33021,33034] [2021-11-09 09:38:33,276 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_d39e7096-c984-4ad7-989c-3ae375649749/sv-benchmarks/c/uthash-2.0.2/uthash_SAX_test9-1.i[84583,84596] [2021-11-09 09:38:33,279 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-09 09:38:33,287 INFO L203 MainTranslator]: Completed pre-run [2021-11-09 09:38:33,317 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_d39e7096-c984-4ad7-989c-3ae375649749/sv-benchmarks/c/uthash-2.0.2/uthash_SAX_test9-1.i[33021,33034] [2021-11-09 09:38:33,498 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_d39e7096-c984-4ad7-989c-3ae375649749/sv-benchmarks/c/uthash-2.0.2/uthash_SAX_test9-1.i[84583,84596] [2021-11-09 09:38:33,513 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-09 09:38:33,553 INFO L208 MainTranslator]: Completed translation [2021-11-09 09:38:33,554 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 09:38:33 WrapperNode [2021-11-09 09:38:33,554 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-09 09:38:33,555 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-09 09:38:33,555 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-09 09:38:33,556 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-09 09:38:33,563 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 09:38:33" (1/1) ... [2021-11-09 09:38:33,645 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 09:38:33" (1/1) ... [2021-11-09 09:38:33,889 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-09 09:38:33,891 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-09 09:38:33,891 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-09 09:38:33,891 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-09 09:38:33,901 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 09:38:33" (1/1) ... [2021-11-09 09:38:33,901 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 09:38:33" (1/1) ... [2021-11-09 09:38:33,920 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 09:38:33" (1/1) ... [2021-11-09 09:38:33,921 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 09:38:33" (1/1) ... [2021-11-09 09:38:34,018 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 09:38:33" (1/1) ... [2021-11-09 09:38:34,062 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 09:38:33" (1/1) ... [2021-11-09 09:38:34,073 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 09:38:33" (1/1) ... [2021-11-09 09:38:34,093 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-09 09:38:34,094 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-09 09:38:34,094 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-09 09:38:34,094 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-09 09:38:34,096 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 09:38:33" (1/1) ... [2021-11-09 09:38:34,142 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-09 09:38:34,158 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d39e7096-c984-4ad7-989c-3ae375649749/bin/uautomizer-IVEQpCNsaX/z3 [2021-11-09 09:38:34,177 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d39e7096-c984-4ad7-989c-3ae375649749/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-09 09:38:34,211 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d39e7096-c984-4ad7-989c-3ae375649749/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-09 09:38:34,233 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-09 09:38:34,233 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-09 09:38:34,233 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-09 09:38:34,234 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-09 09:38:34,234 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-09 09:38:34,234 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2021-11-09 09:38:34,234 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-09 09:38:34,234 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-09 09:38:34,234 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-09 09:38:34,234 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-09 09:38:34,235 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-09 09:38:37,576 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-09 09:38:37,577 INFO L299 CfgBuilder]: Removed 1066 assume(true) statements. [2021-11-09 09:38:37,582 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 09:38:37 BoogieIcfgContainer [2021-11-09 09:38:37,583 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-09 09:38:37,585 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-09 09:38:37,585 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-09 09:38:37,588 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-09 09:38:37,589 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.11 09:38:32" (1/3) ... [2021-11-09 09:38:37,590 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@79f2a4b0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 09:38:37, skipping insertion in model container [2021-11-09 09:38:37,590 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 09:38:33" (2/3) ... [2021-11-09 09:38:37,591 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@79f2a4b0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 09:38:37, skipping insertion in model container [2021-11-09 09:38:37,591 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 09:38:37" (3/3) ... [2021-11-09 09:38:37,592 INFO L111 eAbstractionObserver]: Analyzing ICFG uthash_SAX_test9-1.i [2021-11-09 09:38:37,598 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-09 09:38:37,599 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 501 error locations. [2021-11-09 09:38:37,669 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-09 09:38:37,675 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 09:38:37,675 INFO L340 AbstractCegarLoop]: Starting to check reachability of 501 error locations. [2021-11-09 09:38:37,764 INFO L276 IsEmpty]: Start isEmpty. Operand has 2157 states, 1655 states have (on average 1.9716012084592145) internal successors, (3263), 2156 states have internal predecessors, (3263), 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 09:38:37,770 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2021-11-09 09:38:37,770 INFO L505 BasicCegarLoop]: Found error trace [2021-11-09 09:38:37,771 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-09 09:38:37,772 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 09:38:37,777 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-09 09:38:37,778 INFO L85 PathProgramCache]: Analyzing trace with hash 239437319, now seen corresponding path program 1 times [2021-11-09 09:38:37,787 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-09 09:38:37,787 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [696882785] [2021-11-09 09:38:37,788 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-09 09:38:37,789 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-09 09:38:37,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-09 09:38:37,946 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 09:38:37,946 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-09 09:38:37,947 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [696882785] [2021-11-09 09:38:37,948 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [696882785] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-09 09:38:37,948 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-09 09:38:37,948 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-09 09:38:37,950 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [231144945] [2021-11-09 09:38:37,955 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-11-09 09:38:37,956 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-09 09:38:37,969 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-11-09 09:38:37,970 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-11-09 09:38:37,978 INFO L87 Difference]: Start difference. First operand has 2157 states, 1655 states have (on average 1.9716012084592145) internal successors, (3263), 2156 states have internal predecessors, (3263), 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 09:38:38,086 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-09 09:38:38,086 INFO L93 Difference]: Finished difference Result 4312 states and 6524 transitions. [2021-11-09 09:38:38,086 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-09 09:38:38,088 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 09:38:38,088 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-09 09:38:38,117 INFO L225 Difference]: With dead ends: 4312 [2021-11-09 09:38:38,117 INFO L226 Difference]: Without dead ends: 2153 [2021-11-09 09:38:38,125 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 09:38:38,149 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2153 states. [2021-11-09 09:38:38,246 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2153 to 2153. [2021-11-09 09:38:38,252 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 09:38:38,261 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2153 states to 2153 states and 2700 transitions. [2021-11-09 09:38:38,263 INFO L78 Accepts]: Start accepts. Automaton has 2153 states and 2700 transitions. Word has length 9 [2021-11-09 09:38:38,263 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-09 09:38:38,264 INFO L470 AbstractCegarLoop]: Abstraction has 2153 states and 2700 transitions. [2021-11-09 09:38:38,264 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 09:38:38,264 INFO L276 IsEmpty]: Start isEmpty. Operand 2153 states and 2700 transitions. [2021-11-09 09:38:38,266 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2021-11-09 09:38:38,267 INFO L505 BasicCegarLoop]: Found error trace [2021-11-09 09:38:38,267 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 09:38:38,268 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-09 09:38:38,268 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 09:38:38,269 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-09 09:38:38,269 INFO L85 PathProgramCache]: Analyzing trace with hash 627540097, now seen corresponding path program 1 times [2021-11-09 09:38:38,269 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-09 09:38:38,270 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1400819765] [2021-11-09 09:38:38,270 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-09 09:38:38,270 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-09 09:38:38,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-09 09:38:38,356 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 09:38:38,357 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-09 09:38:38,357 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1400819765] [2021-11-09 09:38:38,358 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1400819765] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-09 09:38:38,358 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-09 09:38:38,358 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-09 09:38:38,358 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1444937798] [2021-11-09 09:38:38,360 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-09 09:38:38,360 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-09 09:38:38,361 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-09 09:38:38,361 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-09 09:38:38,362 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 09:38:38,976 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-09 09:38:38,976 INFO L93 Difference]: Finished difference Result 6317 states and 7915 transitions. [2021-11-09 09:38:38,978 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-09 09:38:38,978 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 09:38:38,978 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-09 09:38:39,001 INFO L225 Difference]: With dead ends: 6317 [2021-11-09 09:38:39,002 INFO L226 Difference]: Without dead ends: 4254 [2021-11-09 09:38:39,005 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 09:38:39,012 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4254 states. [2021-11-09 09:38:39,060 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4254 to 2155. [2021-11-09 09:38:39,065 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 09:38:39,073 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2155 states to 2155 states and 2702 transitions. [2021-11-09 09:38:39,074 INFO L78 Accepts]: Start accepts. Automaton has 2155 states and 2702 transitions. Word has length 44 [2021-11-09 09:38:39,074 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-09 09:38:39,074 INFO L470 AbstractCegarLoop]: Abstraction has 2155 states and 2702 transitions. [2021-11-09 09:38:39,074 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 09:38:39,075 INFO L276 IsEmpty]: Start isEmpty. Operand 2155 states and 2702 transitions. [2021-11-09 09:38:39,078 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2021-11-09 09:38:39,079 INFO L505 BasicCegarLoop]: Found error trace [2021-11-09 09:38:39,079 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 09:38:39,079 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-11-09 09:38:39,079 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 09:38:39,080 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-09 09:38:39,080 INFO L85 PathProgramCache]: Analyzing trace with hash -1103299153, now seen corresponding path program 1 times [2021-11-09 09:38:39,080 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-09 09:38:39,081 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1402116049] [2021-11-09 09:38:39,081 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-09 09:38:39,081 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-09 09:38:39,106 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-09 09:38:39,106 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1169491791] [2021-11-09 09:38:39,106 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-09 09:38:39,107 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-09 09:38:39,107 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d39e7096-c984-4ad7-989c-3ae375649749/bin/uautomizer-IVEQpCNsaX/z3 [2021-11-09 09:38:39,108 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d39e7096-c984-4ad7-989c-3ae375649749/bin/uautomizer-IVEQpCNsaX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-09 09:38:39,115 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d39e7096-c984-4ad7-989c-3ae375649749/bin/uautomizer-IVEQpCNsaX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-11-09 09:38:39,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-09 09:38:39,296 INFO L263 TraceCheckSpWp]: Trace formula consists of 273 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-09 09:38:39,305 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-09 09:38:39,605 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 09:38:39,605 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-09 09:38:39,606 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1402116049] [2021-11-09 09:38:39,606 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-11-09 09:38:39,606 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1169491791] [2021-11-09 09:38:39,606 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1169491791] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-09 09:38:39,607 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-09 09:38:39,607 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-09 09:38:39,607 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1613062018] [2021-11-09 09:38:39,608 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-09 09:38:39,608 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-09 09:38:39,609 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-09 09:38:39,609 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-09 09:38:39,609 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 09:38:39,710 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-09 09:38:39,710 INFO L93 Difference]: Finished difference Result 4327 states and 5431 transitions. [2021-11-09 09:38:39,710 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-09 09:38:39,711 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 09:38:39,711 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-09 09:38:39,722 INFO L225 Difference]: With dead ends: 4327 [2021-11-09 09:38:39,722 INFO L226 Difference]: Without dead ends: 2176 [2021-11-09 09:38:39,725 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 09:38:39,731 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2176 states. [2021-11-09 09:38:39,762 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2176 to 2175. [2021-11-09 09:38:39,766 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 09:38:39,774 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2175 states to 2175 states and 2722 transitions. [2021-11-09 09:38:39,775 INFO L78 Accepts]: Start accepts. Automaton has 2175 states and 2722 transitions. Word has length 96 [2021-11-09 09:38:39,775 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-09 09:38:39,775 INFO L470 AbstractCegarLoop]: Abstraction has 2175 states and 2722 transitions. [2021-11-09 09:38:39,776 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 09:38:39,776 INFO L276 IsEmpty]: Start isEmpty. Operand 2175 states and 2722 transitions. [2021-11-09 09:38:39,778 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2021-11-09 09:38:39,778 INFO L505 BasicCegarLoop]: Found error trace [2021-11-09 09:38:39,778 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 09:38:39,815 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d39e7096-c984-4ad7-989c-3ae375649749/bin/uautomizer-IVEQpCNsaX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2021-11-09 09:38:40,000 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d39e7096-c984-4ad7-989c-3ae375649749/bin/uautomizer-IVEQpCNsaX/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-09 09:38:40,000 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 09:38:40,000 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-09 09:38:40,000 INFO L85 PathProgramCache]: Analyzing trace with hash -1343538899, now seen corresponding path program 1 times [2021-11-09 09:38:40,001 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-09 09:38:40,001 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1285598574] [2021-11-09 09:38:40,001 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-09 09:38:40,001 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-09 09:38:40,024 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-09 09:38:40,025 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1185607645] [2021-11-09 09:38:40,025 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-09 09:38:40,025 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-09 09:38:40,026 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d39e7096-c984-4ad7-989c-3ae375649749/bin/uautomizer-IVEQpCNsaX/z3 [2021-11-09 09:38:40,027 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d39e7096-c984-4ad7-989c-3ae375649749/bin/uautomizer-IVEQpCNsaX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-09 09:38:40,042 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d39e7096-c984-4ad7-989c-3ae375649749/bin/uautomizer-IVEQpCNsaX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2021-11-09 09:38:40,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-09 09:38:40,247 INFO L263 TraceCheckSpWp]: Trace formula consists of 275 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-09 09:38:40,251 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-09 09:38:40,461 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 09:38:40,462 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-09 09:38:40,462 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1285598574] [2021-11-09 09:38:40,463 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-11-09 09:38:40,463 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1185607645] [2021-11-09 09:38:40,463 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1185607645] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-09 09:38:40,463 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-09 09:38:40,464 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-09 09:38:40,464 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [761283088] [2021-11-09 09:38:40,465 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-09 09:38:40,466 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-09 09:38:40,466 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-09 09:38:40,467 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-09 09:38:40,467 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 09:38:40,591 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-09 09:38:40,592 INFO L93 Difference]: Finished difference Result 4258 states and 5334 transitions. [2021-11-09 09:38:40,594 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-09 09:38:40,594 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 09:38:40,595 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-09 09:38:40,607 INFO L225 Difference]: With dead ends: 4258 [2021-11-09 09:38:40,608 INFO L226 Difference]: Without dead ends: 2196 [2021-11-09 09:38:40,611 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 09:38:40,616 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2196 states. [2021-11-09 09:38:40,650 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2196 to 2195. [2021-11-09 09:38:40,655 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 09:38:40,663 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2195 states to 2195 states and 2742 transitions. [2021-11-09 09:38:40,663 INFO L78 Accepts]: Start accepts. Automaton has 2195 states and 2742 transitions. Word has length 96 [2021-11-09 09:38:40,665 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-09 09:38:40,665 INFO L470 AbstractCegarLoop]: Abstraction has 2195 states and 2742 transitions. [2021-11-09 09:38:40,666 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 09:38:40,666 INFO L276 IsEmpty]: Start isEmpty. Operand 2195 states and 2742 transitions. [2021-11-09 09:38:40,673 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2021-11-09 09:38:40,673 INFO L505 BasicCegarLoop]: Found error trace [2021-11-09 09:38:40,674 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 09:38:40,712 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d39e7096-c984-4ad7-989c-3ae375649749/bin/uautomizer-IVEQpCNsaX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2021-11-09 09:38:40,888 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d39e7096-c984-4ad7-989c-3ae375649749/bin/uautomizer-IVEQpCNsaX/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-09 09:38:40,888 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 09:38:40,888 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-09 09:38:40,888 INFO L85 PathProgramCache]: Analyzing trace with hash -1663743951, now seen corresponding path program 1 times [2021-11-09 09:38:40,889 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-09 09:38:40,889 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1034792394] [2021-11-09 09:38:40,889 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-09 09:38:40,889 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-09 09:38:40,928 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-09 09:38:40,932 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1853956950] [2021-11-09 09:38:40,933 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-09 09:38:40,933 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-09 09:38:40,934 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d39e7096-c984-4ad7-989c-3ae375649749/bin/uautomizer-IVEQpCNsaX/z3 [2021-11-09 09:38:40,935 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d39e7096-c984-4ad7-989c-3ae375649749/bin/uautomizer-IVEQpCNsaX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-09 09:38:40,954 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d39e7096-c984-4ad7-989c-3ae375649749/bin/uautomizer-IVEQpCNsaX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2021-11-09 09:38:41,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-09 09:38:41,162 INFO L263 TraceCheckSpWp]: Trace formula consists of 279 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-09 09:38:41,175 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-09 09:38:41,443 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 09:38:41,444 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-09 09:38:41,444 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1034792394] [2021-11-09 09:38:41,444 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-11-09 09:38:41,444 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1853956950] [2021-11-09 09:38:41,444 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1853956950] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-09 09:38:41,445 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-09 09:38:41,445 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-09 09:38:41,445 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1055409938] [2021-11-09 09:38:41,446 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-09 09:38:41,446 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-09 09:38:41,446 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-09 09:38:41,447 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-09 09:38:41,447 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 09:38:41,564 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-09 09:38:41,565 INFO L93 Difference]: Finished difference Result 4378 states and 5472 transitions. [2021-11-09 09:38:41,565 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-09 09:38:41,565 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 09:38:41,566 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-09 09:38:41,577 INFO L225 Difference]: With dead ends: 4378 [2021-11-09 09:38:41,577 INFO L226 Difference]: Without dead ends: 2187 [2021-11-09 09:38:41,581 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 09:38:41,590 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2187 states. [2021-11-09 09:38:41,648 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2187 to 2181. [2021-11-09 09:38:41,679 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 09:38:41,685 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2181 states to 2181 states and 2721 transitions. [2021-11-09 09:38:41,685 INFO L78 Accepts]: Start accepts. Automaton has 2181 states and 2721 transitions. Word has length 96 [2021-11-09 09:38:41,686 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-09 09:38:41,686 INFO L470 AbstractCegarLoop]: Abstraction has 2181 states and 2721 transitions. [2021-11-09 09:38:41,686 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 09:38:41,686 INFO L276 IsEmpty]: Start isEmpty. Operand 2181 states and 2721 transitions. [2021-11-09 09:38:41,687 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2021-11-09 09:38:41,703 INFO L505 BasicCegarLoop]: Found error trace [2021-11-09 09:38:41,704 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 09:38:41,734 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d39e7096-c984-4ad7-989c-3ae375649749/bin/uautomizer-IVEQpCNsaX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2021-11-09 09:38:41,904 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d39e7096-c984-4ad7-989c-3ae375649749/bin/uautomizer-IVEQpCNsaX/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-09 09:38:41,905 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 09:38:41,905 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-09 09:38:41,905 INFO L85 PathProgramCache]: Analyzing trace with hash 570124223, now seen corresponding path program 1 times [2021-11-09 09:38:41,906 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-09 09:38:41,906 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [975229588] [2021-11-09 09:38:41,906 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-09 09:38:41,906 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-09 09:38:41,923 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-09 09:38:41,923 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [131195624] [2021-11-09 09:38:41,923 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-09 09:38:41,924 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-09 09:38:41,924 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d39e7096-c984-4ad7-989c-3ae375649749/bin/uautomizer-IVEQpCNsaX/z3 [2021-11-09 09:38:41,925 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d39e7096-c984-4ad7-989c-3ae375649749/bin/uautomizer-IVEQpCNsaX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-09 09:38:41,951 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d39e7096-c984-4ad7-989c-3ae375649749/bin/uautomizer-IVEQpCNsaX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2021-11-09 09:38:42,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-09 09:38:42,157 INFO L263 TraceCheckSpWp]: Trace formula consists of 265 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-09 09:38:42,160 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-09 09:38:42,391 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 09:38:42,391 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-09 09:38:42,392 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [975229588] [2021-11-09 09:38:42,392 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-11-09 09:38:42,392 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [131195624] [2021-11-09 09:38:42,392 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [131195624] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-09 09:38:42,393 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-09 09:38:42,393 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-09 09:38:42,393 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1299079741] [2021-11-09 09:38:42,394 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-09 09:38:42,394 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-09 09:38:42,395 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-09 09:38:42,395 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-09 09:38:42,395 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 09:38:42,526 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-09 09:38:42,527 INFO L93 Difference]: Finished difference Result 4255 states and 5314 transitions. [2021-11-09 09:38:42,527 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-09 09:38:42,527 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 09:38:42,528 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-09 09:38:42,539 INFO L225 Difference]: With dead ends: 4255 [2021-11-09 09:38:42,540 INFO L226 Difference]: Without dead ends: 2173 [2021-11-09 09:38:42,543 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 09:38:42,548 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2173 states. [2021-11-09 09:38:42,585 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2173 to 2167. [2021-11-09 09:38:42,590 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 09:38:42,597 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2167 states to 2167 states and 2700 transitions. [2021-11-09 09:38:42,597 INFO L78 Accepts]: Start accepts. Automaton has 2167 states and 2700 transitions. Word has length 96 [2021-11-09 09:38:42,598 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-09 09:38:42,598 INFO L470 AbstractCegarLoop]: Abstraction has 2167 states and 2700 transitions. [2021-11-09 09:38:42,598 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 09:38:42,599 INFO L276 IsEmpty]: Start isEmpty. Operand 2167 states and 2700 transitions. [2021-11-09 09:38:42,600 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2021-11-09 09:38:42,600 INFO L505 BasicCegarLoop]: Found error trace [2021-11-09 09:38:42,600 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 09:38:42,636 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d39e7096-c984-4ad7-989c-3ae375649749/bin/uautomizer-IVEQpCNsaX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2021-11-09 09:38:42,813 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d39e7096-c984-4ad7-989c-3ae375649749/bin/uautomizer-IVEQpCNsaX/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-09 09:38:42,813 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 09:38:42,813 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-09 09:38:42,814 INFO L85 PathProgramCache]: Analyzing trace with hash -312724623, now seen corresponding path program 1 times [2021-11-09 09:38:42,814 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-09 09:38:42,814 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1877092353] [2021-11-09 09:38:42,814 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-09 09:38:42,814 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-09 09:38:42,831 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-09 09:38:42,831 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1125485872] [2021-11-09 09:38:42,832 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-09 09:38:42,832 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-09 09:38:42,832 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d39e7096-c984-4ad7-989c-3ae375649749/bin/uautomizer-IVEQpCNsaX/z3 [2021-11-09 09:38:42,833 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d39e7096-c984-4ad7-989c-3ae375649749/bin/uautomizer-IVEQpCNsaX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-09 09:38:42,853 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d39e7096-c984-4ad7-989c-3ae375649749/bin/uautomizer-IVEQpCNsaX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2021-11-09 09:38:43,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-09 09:38:43,103 INFO L263 TraceCheckSpWp]: Trace formula consists of 251 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-09 09:38:43,105 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-09 09:38:43,526 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 09:38:43,527 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-09 09:38:43,527 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1877092353] [2021-11-09 09:38:43,527 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-11-09 09:38:43,528 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1125485872] [2021-11-09 09:38:43,528 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1125485872] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-09 09:38:43,528 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-09 09:38:43,528 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-09 09:38:43,529 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2047217964] [2021-11-09 09:38:43,529 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-09 09:38:43,530 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-09 09:38:43,530 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-09 09:38:43,530 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-09 09:38:43,531 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 09:38:43,734 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-09 09:38:43,734 INFO L93 Difference]: Finished difference Result 6426 states and 8004 transitions. [2021-11-09 09:38:43,735 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-09 09:38:43,735 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 09:38:43,736 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-09 09:38:43,759 INFO L225 Difference]: With dead ends: 6426 [2021-11-09 09:38:43,760 INFO L226 Difference]: Without dead ends: 4263 [2021-11-09 09:38:43,764 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 09:38:43,772 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4263 states. [2021-11-09 09:38:43,848 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4263 to 3261. [2021-11-09 09:38:43,856 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 09:38:43,868 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3261 states to 3261 states and 4805 transitions. [2021-11-09 09:38:43,869 INFO L78 Accepts]: Start accepts. Automaton has 3261 states and 4805 transitions. Word has length 96 [2021-11-09 09:38:43,869 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-09 09:38:43,869 INFO L470 AbstractCegarLoop]: Abstraction has 3261 states and 4805 transitions. [2021-11-09 09:38:43,870 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 09:38:43,870 INFO L276 IsEmpty]: Start isEmpty. Operand 3261 states and 4805 transitions. [2021-11-09 09:38:43,871 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2021-11-09 09:38:43,871 INFO L505 BasicCegarLoop]: Found error trace [2021-11-09 09:38:43,872 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 09:38:43,915 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d39e7096-c984-4ad7-989c-3ae375649749/bin/uautomizer-IVEQpCNsaX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2021-11-09 09:38:44,088 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d39e7096-c984-4ad7-989c-3ae375649749/bin/uautomizer-IVEQpCNsaX/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable6 [2021-11-09 09:38:44,088 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 09:38:44,088 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-09 09:38:44,089 INFO L85 PathProgramCache]: Analyzing trace with hash 1091132224, now seen corresponding path program 1 times [2021-11-09 09:38:44,089 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-09 09:38:44,089 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [273982044] [2021-11-09 09:38:44,090 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-09 09:38:44,090 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-09 09:38:44,108 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-09 09:38:44,109 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1360280390] [2021-11-09 09:38:44,109 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-09 09:38:44,109 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-09 09:38:44,109 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d39e7096-c984-4ad7-989c-3ae375649749/bin/uautomizer-IVEQpCNsaX/z3 [2021-11-09 09:38:44,110 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d39e7096-c984-4ad7-989c-3ae375649749/bin/uautomizer-IVEQpCNsaX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-09 09:38:44,116 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d39e7096-c984-4ad7-989c-3ae375649749/bin/uautomizer-IVEQpCNsaX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2021-11-09 09:38:44,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-09 09:38:44,419 INFO L263 TraceCheckSpWp]: Trace formula consists of 335 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-09 09:38:44,421 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-09 09:38:44,794 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 09:38:44,794 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-09 09:38:44,794 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [273982044] [2021-11-09 09:38:44,794 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-11-09 09:38:44,794 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1360280390] [2021-11-09 09:38:44,794 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1360280390] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-09 09:38:44,795 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-09 09:38:44,795 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-09 09:38:44,795 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1578069220] [2021-11-09 09:38:44,795 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-09 09:38:44,796 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-09 09:38:44,796 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-09 09:38:44,796 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-09 09:38:44,797 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 09:38:45,123 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-09 09:38:45,124 INFO L93 Difference]: Finished difference Result 5424 states and 7501 transitions. [2021-11-09 09:38:45,124 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-09 09:38:45,124 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 09:38:45,125 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-09 09:38:45,137 INFO L225 Difference]: With dead ends: 5424 [2021-11-09 09:38:45,138 INFO L226 Difference]: Without dead ends: 2211 [2021-11-09 09:38:45,142 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 09:38:45,148 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2211 states. [2021-11-09 09:38:45,189 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2211 to 2211. [2021-11-09 09:38:45,194 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 09:38:45,201 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2211 states to 2211 states and 2747 transitions. [2021-11-09 09:38:45,202 INFO L78 Accepts]: Start accepts. Automaton has 2211 states and 2747 transitions. Word has length 103 [2021-11-09 09:38:45,202 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-09 09:38:45,202 INFO L470 AbstractCegarLoop]: Abstraction has 2211 states and 2747 transitions. [2021-11-09 09:38:45,203 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 09:38:45,203 INFO L276 IsEmpty]: Start isEmpty. Operand 2211 states and 2747 transitions. [2021-11-09 09:38:45,204 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2021-11-09 09:38:45,204 INFO L505 BasicCegarLoop]: Found error trace [2021-11-09 09:38:45,205 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 09:38:45,248 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d39e7096-c984-4ad7-989c-3ae375649749/bin/uautomizer-IVEQpCNsaX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2021-11-09 09:38:45,421 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d39e7096-c984-4ad7-989c-3ae375649749/bin/uautomizer-IVEQpCNsaX/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-09 09:38:45,421 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 09:38:45,421 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-09 09:38:45,422 INFO L85 PathProgramCache]: Analyzing trace with hash 541766298, now seen corresponding path program 1 times [2021-11-09 09:38:45,422 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-09 09:38:45,422 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [40822813] [2021-11-09 09:38:45,422 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-09 09:38:45,422 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-09 09:38:45,444 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-09 09:38:45,444 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2066027569] [2021-11-09 09:38:45,444 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-09 09:38:45,444 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-09 09:38:45,445 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d39e7096-c984-4ad7-989c-3ae375649749/bin/uautomizer-IVEQpCNsaX/z3 [2021-11-09 09:38:45,446 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d39e7096-c984-4ad7-989c-3ae375649749/bin/uautomizer-IVEQpCNsaX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-09 09:38:45,492 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d39e7096-c984-4ad7-989c-3ae375649749/bin/uautomizer-IVEQpCNsaX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2021-11-09 09:38:45,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-09 09:38:45,833 INFO L263 TraceCheckSpWp]: Trace formula consists of 360 conjuncts, 51 conjunts are in the unsatisfiable core [2021-11-09 09:38:45,839 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-09 09:38:45,878 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 09:38:45,886 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 09:38:45,941 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 09:38:45,943 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 09:38:46,056 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 09:38:46,061 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 09:38:46,063 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 09:38:46,065 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 09:38:47,490 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 09:38:47,491 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 09:38:47,493 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 09:38:47,495 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 09:38:47,496 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 09:38:47,497 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 09:38:47,499 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 09:38:47,504 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 09:38:47,513 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 09:38:47,515 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 09:38:47,516 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 09:38:47,517 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 09:38:47,519 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 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 09:38:47,627 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 09:38:47,628 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 09:38:47,630 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 09:38:47,634 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 09:38:47,636 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 09:38:47,637 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 09:38:47,638 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 09:38:47,642 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 09:38:47,668 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 09:38:47,670 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 09:38:47,671 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 09:38:47,672 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 09:38:47,673 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 09:38:47,675 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 09:38:47,676 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 09:38:47,677 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 09:38:47,762 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 09:38:47,772 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 09:38:47,779 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 09:38:47,795 INFO L354 Elim1Store]: treesize reduction 8, result has 72.4 percent of original size [2021-11-09 09:38:47,796 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 09:38:47,822 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 09:38:47,824 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 09:38:47,825 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 09:38:47,826 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 09:38:47,827 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 09:38:47,828 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 09:38:47,829 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 09:38:47,833 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 66 treesize of output 47 [2021-11-09 09:38:49,714 INFO L354 Elim1Store]: treesize reduction 364, result has 11.9 percent of original size [2021-11-09 09:38:49,715 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 09:38:49,747 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 09:38:51,577 INFO L354 Elim1Store]: treesize reduction 448, result has 17.8 percent of original size [2021-11-09 09:38:51,578 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 09:38:51,662 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 09:38:51,663 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 09:38:51,664 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 09:38:51,665 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 09:38:51,666 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 09:38:51,670 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 09:38:51,671 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 09:39:00,817 WARN L207 SmtUtils]: Spent 9.13 s on a formula simplification. DAG size of input: 535 DAG size of output: 129 [2021-11-09 09:39:00,818 INFO L354 Elim1Store]: treesize reduction 11581, result has 3.6 percent of original size [2021-11-09 09:39:00,818 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 2277 [2021-11-09 09:39:01,612 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 09:39:01,613 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 09:39:01,768 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 09:39:01,769 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 09:39:05,141 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-09 09:39:05,190 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 09:39:05,246 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 09:39:05,248 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-09 09:39:05,278 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 09:39:05,279 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-09 09:39:05,303 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 09:39:05,364 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 09:39:05,412 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 09:39:05,444 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 09:39:05,483 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 09:39:05,507 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 09:39:05,537 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 09:39:05,565 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 09:39:05,565 INFO L244 Elim1Store]: Index analysis took 425 ms [2021-11-09 09:39:05,569 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 936 treesize of output 430 [2021-11-09 09:39:07,799 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-09 09:39:07,919 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 09:39:07,920 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 09:39:07,922 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 09:39:07,944 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-09 09:39:07,946 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 09:51:20,904 WARN L207 SmtUtils]: Spent 12.22 m on a formula simplification. DAG size of input: 1994 DAG size of output: 488 [2021-11-09 09:51:20,908 INFO L354 Elim1Store]: treesize reduction 51224, result has 3.7 percent of original size [2021-11-09 09:51:20,912 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 24 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 38 new quantified variables, introduced 168 case distinctions, treesize of input 1325504 treesize of output 556695 [2021-11-09 09:51:28,269 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 09:51:28,425 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 09:51:28,531 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 09:51:28,647 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 09:51:28,699 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 09:51:28,885 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 09:51:28,886 INFO L244 Elim1Store]: Index analysis took 674 ms [2021-11-09 09:51:28,969 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 09:51:29,020 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 09:51:29,077 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 09:51:29,119 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 09:51:29,171 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 09:51:29,236 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 09:51:29,311 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 09:51:29,367 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 09:51:29,415 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 09:51:29,461 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 09:51:29,519 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 09:51:29,584 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 09:51:29,619 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 09:51:29,657 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-09 09:51:29,658 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 8 select indices, 8 select index equivalence classes, 21 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 13 case distinctions, treesize of input 1421 treesize of output 647 [2021-11-09 09:51:30,092 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 09:51:30,134 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 09:51:30,275 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 09:51:30,329 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 09:51:30,386 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 09:51:30,497 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 09:51:30,531 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 09:51:30,565 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 09:51:30,596 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 09:51:30,597 INFO L244 Elim1Store]: Index analysis took 564 ms [2021-11-09 09:51:30,655 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 09:51:30,697 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 09:51:30,747 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 09:51:30,804 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 09:51:30,872 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 09:51:30,946 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 09:51:31,000 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 09:51:31,044 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-09 09:51:31,044 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 8 select indices, 8 select index equivalence classes, 18 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 7 case distinctions, treesize of input 882 treesize of output 412 [2021-11-09 09:51:31,309 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 09:51:31,435 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 09:51:31,521 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 09:51:31,600 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 09:51:31,656 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 09:51:31,747 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 09:51:31,780 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 09:51:31,812 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 09:51:31,843 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 09:51:31,843 INFO L244 Elim1Store]: Index analysis took 583 ms [2021-11-09 09:51:31,891 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 09:51:31,982 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 09:51:32,053 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 09:51:32,132 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 09:51:32,190 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 09:51:32,239 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 09:51:32,299 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 09:51:32,331 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-09 09:51:32,332 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 8 select indices, 8 select index equivalence classes, 18 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 7 case distinctions, treesize of input 678 treesize of output 316 [2021-11-09 09:51:32,653 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 09:51:32,706 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 09:51:32,820 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 09:51:32,855 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 09:51:32,914 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 09:51:32,975 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 09:51:33,018 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 09:51:33,019 INFO L244 Elim1Store]: Index analysis took 493 ms [2021-11-09 09:51:33,081 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 09:51:33,129 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 09:51:33,175 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 09:51:33,243 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 09:51:33,295 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 09:51:33,344 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 09:51:33,427 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 09:51:33,473 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 09:51:33,524 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 09:51:33,575 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 09:51:33,646 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 09:51:33,703 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 09:51:33,731 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-09 09:51:33,731 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 8 select indices, 8 select index equivalence classes, 21 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 12 case distinctions, treesize of input 1341 treesize of output 607