./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/array-fpi/condg.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 4e77c044 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e85dc415-ba8f-4c5a-b332-17e3860a48df/bin/uautomizer-WNIpwEf4Nt/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e85dc415-ba8f-4c5a-b332-17e3860a48df/bin/uautomizer-WNIpwEf4Nt/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e85dc415-ba8f-4c5a-b332-17e3860a48df/bin/uautomizer-WNIpwEf4Nt/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e85dc415-ba8f-4c5a-b332-17e3860a48df/bin/uautomizer-WNIpwEf4Nt/config/AutomizerReach.xml -i ../../sv-benchmarks/c/array-fpi/condg.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e85dc415-ba8f-4c5a-b332-17e3860a48df/bin/uautomizer-WNIpwEf4Nt/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e85dc415-ba8f-4c5a-b332-17e3860a48df/bin/uautomizer-WNIpwEf4Nt --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 dd2e7fd6066e4d59e33069b5c0266fcf92501368 ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.1-dev-4e77c04 [2021-10-13 00:10:07,123 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-13 00:10:07,125 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-13 00:10:07,174 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-13 00:10:07,175 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-13 00:10:07,176 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-13 00:10:07,178 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-13 00:10:07,181 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-13 00:10:07,183 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-13 00:10:07,184 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-13 00:10:07,185 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-13 00:10:07,187 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-13 00:10:07,188 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-13 00:10:07,189 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-13 00:10:07,191 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-13 00:10:07,208 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-13 00:10:07,209 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-13 00:10:07,211 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-13 00:10:07,213 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-13 00:10:07,216 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-13 00:10:07,218 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-13 00:10:07,219 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-13 00:10:07,221 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-13 00:10:07,222 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-13 00:10:07,226 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-13 00:10:07,227 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-13 00:10:07,227 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-13 00:10:07,228 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-13 00:10:07,229 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-13 00:10:07,230 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-13 00:10:07,230 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-13 00:10:07,231 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-13 00:10:07,232 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-13 00:10:07,233 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-13 00:10:07,235 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-13 00:10:07,235 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-13 00:10:07,236 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-13 00:10:07,236 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-13 00:10:07,236 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-13 00:10:07,237 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-13 00:10:07,238 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-13 00:10:07,239 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e85dc415-ba8f-4c5a-b332-17e3860a48df/bin/uautomizer-WNIpwEf4Nt/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-10-13 00:10:07,263 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-13 00:10:07,264 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-13 00:10:07,264 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-10-13 00:10:07,265 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-10-13 00:10:07,266 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-13 00:10:07,266 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-13 00:10:07,266 INFO L138 SettingsManager]: * Use SBE=true [2021-10-13 00:10:07,267 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-13 00:10:07,267 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-13 00:10:07,267 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-13 00:10:07,267 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-13 00:10:07,268 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-13 00:10:07,268 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-13 00:10:07,268 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-13 00:10:07,268 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-13 00:10:07,269 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-13 00:10:07,269 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-13 00:10:07,269 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-13 00:10:07,270 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-13 00:10:07,270 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-13 00:10:07,270 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-13 00:10:07,270 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-13 00:10:07,271 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-13 00:10:07,271 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-13 00:10:07,271 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-13 00:10:07,271 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-13 00:10:07,272 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-10-13 00:10:07,272 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-13 00:10:07,272 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-13 00:10:07,273 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-13 00:10:07,273 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_e85dc415-ba8f-4c5a-b332-17e3860a48df/bin/uautomizer-WNIpwEf4Nt/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e85dc415-ba8f-4c5a-b332-17e3860a48df/bin/uautomizer-WNIpwEf4Nt Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> dd2e7fd6066e4d59e33069b5c0266fcf92501368 [2021-10-13 00:10:07,537 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-13 00:10:07,559 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-13 00:10:07,561 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-13 00:10:07,562 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-13 00:10:07,563 INFO L275 PluginConnector]: CDTParser initialized [2021-10-13 00:10:07,564 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e85dc415-ba8f-4c5a-b332-17e3860a48df/bin/uautomizer-WNIpwEf4Nt/../../sv-benchmarks/c/array-fpi/condg.c [2021-10-13 00:10:07,630 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e85dc415-ba8f-4c5a-b332-17e3860a48df/bin/uautomizer-WNIpwEf4Nt/data/ff2a906dd/3002fe3d05214377b57939de02c0026d/FLAG8a7391c46 [2021-10-13 00:10:08,180 INFO L306 CDTParser]: Found 1 translation units. [2021-10-13 00:10:08,181 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e85dc415-ba8f-4c5a-b332-17e3860a48df/sv-benchmarks/c/array-fpi/condg.c [2021-10-13 00:10:08,196 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e85dc415-ba8f-4c5a-b332-17e3860a48df/bin/uautomizer-WNIpwEf4Nt/data/ff2a906dd/3002fe3d05214377b57939de02c0026d/FLAG8a7391c46 [2021-10-13 00:10:08,512 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e85dc415-ba8f-4c5a-b332-17e3860a48df/bin/uautomizer-WNIpwEf4Nt/data/ff2a906dd/3002fe3d05214377b57939de02c0026d [2021-10-13 00:10:08,515 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-13 00:10:08,519 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-13 00:10:08,521 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-13 00:10:08,521 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-13 00:10:08,526 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-13 00:10:08,527 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 12:10:08" (1/1) ... [2021-10-13 00:10:08,528 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@262b46b3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:10:08, skipping insertion in model container [2021-10-13 00:10:08,529 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 12:10:08" (1/1) ... [2021-10-13 00:10:08,536 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-13 00:10:08,556 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-13 00:10:08,705 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_e85dc415-ba8f-4c5a-b332-17e3860a48df/sv-benchmarks/c/array-fpi/condg.c[588,601] [2021-10-13 00:10:08,727 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-13 00:10:08,735 INFO L203 MainTranslator]: Completed pre-run [2021-10-13 00:10:08,747 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_e85dc415-ba8f-4c5a-b332-17e3860a48df/sv-benchmarks/c/array-fpi/condg.c[588,601] [2021-10-13 00:10:08,757 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-13 00:10:08,771 INFO L208 MainTranslator]: Completed translation [2021-10-13 00:10:08,772 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:10:08 WrapperNode [2021-10-13 00:10:08,772 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-13 00:10:08,773 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-13 00:10:08,774 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-13 00:10:08,774 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-13 00:10:08,780 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:10:08" (1/1) ... [2021-10-13 00:10:08,787 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:10:08" (1/1) ... [2021-10-13 00:10:08,814 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-13 00:10:08,815 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-13 00:10:08,815 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-13 00:10:08,816 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-13 00:10:08,840 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:10:08" (1/1) ... [2021-10-13 00:10:08,841 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:10:08" (1/1) ... [2021-10-13 00:10:08,843 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:10:08" (1/1) ... [2021-10-13 00:10:08,843 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:10:08" (1/1) ... [2021-10-13 00:10:08,852 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:10:08" (1/1) ... [2021-10-13 00:10:08,858 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:10:08" (1/1) ... [2021-10-13 00:10:08,859 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:10:08" (1/1) ... [2021-10-13 00:10:08,862 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-13 00:10:08,863 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-13 00:10:08,863 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-13 00:10:08,864 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-13 00:10:08,865 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:10:08" (1/1) ... [2021-10-13 00:10:08,873 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-13 00:10:08,888 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e85dc415-ba8f-4c5a-b332-17e3860a48df/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:10:08,902 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e85dc415-ba8f-4c5a-b332-17e3860a48df/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-10-13 00:10:08,914 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e85dc415-ba8f-4c5a-b332-17e3860a48df/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-10-13 00:10:08,967 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-10-13 00:10:08,967 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-13 00:10:08,971 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-10-13 00:10:08,971 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-10-13 00:10:08,971 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-13 00:10:08,972 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-13 00:10:08,972 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-10-13 00:10:08,972 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-10-13 00:10:09,226 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-13 00:10:09,227 INFO L299 CfgBuilder]: Removed 12 assume(true) statements. [2021-10-13 00:10:09,229 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 12:10:09 BoogieIcfgContainer [2021-10-13 00:10:09,229 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-13 00:10:09,231 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-13 00:10:09,232 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-13 00:10:09,235 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-13 00:10:09,236 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.10 12:10:08" (1/3) ... [2021-10-13 00:10:09,237 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@693223c0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 12:10:09, skipping insertion in model container [2021-10-13 00:10:09,237 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:10:08" (2/3) ... [2021-10-13 00:10:09,237 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@693223c0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 12:10:09, skipping insertion in model container [2021-10-13 00:10:09,238 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 12:10:09" (3/3) ... [2021-10-13 00:10:09,239 INFO L111 eAbstractionObserver]: Analyzing ICFG condg.c [2021-10-13 00:10:09,245 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-13 00:10:09,245 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-10-13 00:10:09,299 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-10-13 00:10:09,308 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, mConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-10-13 00:10:09,308 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-10-13 00:10:09,325 INFO L276 IsEmpty]: Start isEmpty. Operand has 25 states, 23 states have (on average 1.565217391304348) internal successors, (36), 24 states have internal predecessors, (36), 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) [2021-10-13 00:10:09,331 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2021-10-13 00:10:09,331 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 00:10:09,332 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 00:10:09,332 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-13 00:10:09,338 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 00:10:09,338 INFO L82 PathProgramCache]: Analyzing trace with hash -592817118, now seen corresponding path program 1 times [2021-10-13 00:10:09,348 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 00:10:09,349 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1225642939] [2021-10-13 00:10:09,349 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 00:10:09,350 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 00:10:09,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:10:09,567 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 00:10:09,567 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-13 00:10:09,568 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1225642939] [2021-10-13 00:10:09,568 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1225642939] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-13 00:10:09,569 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-13 00:10:09,569 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-13 00:10:09,570 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1952774664] [2021-10-13 00:10:09,575 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-10-13 00:10:09,576 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-13 00:10:09,589 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-10-13 00:10:09,590 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-10-13 00:10:09,592 INFO L87 Difference]: Start difference. First operand has 25 states, 23 states have (on average 1.565217391304348) internal successors, (36), 24 states have internal predecessors, (36), 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 7.0) internal successors, (14), 2 states have internal predecessors, (14), 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) [2021-10-13 00:10:09,609 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 00:10:09,609 INFO L93 Difference]: Finished difference Result 46 states and 66 transitions. [2021-10-13 00:10:09,610 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-13 00:10:09,611 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 7.0) internal successors, (14), 2 states have internal predecessors, (14), 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 14 [2021-10-13 00:10:09,612 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 00:10:09,619 INFO L225 Difference]: With dead ends: 46 [2021-10-13 00:10:09,619 INFO L226 Difference]: Without dead ends: 21 [2021-10-13 00:10:09,622 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0ms TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-10-13 00:10:09,635 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21 states. [2021-10-13 00:10:09,646 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21 to 21. [2021-10-13 00:10:09,647 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 21 states, 20 states have (on average 1.25) internal successors, (25), 20 states have internal predecessors, (25), 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) [2021-10-13 00:10:09,648 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 25 transitions. [2021-10-13 00:10:09,649 INFO L78 Accepts]: Start accepts. Automaton has 21 states and 25 transitions. Word has length 14 [2021-10-13 00:10:09,650 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 00:10:09,650 INFO L470 AbstractCegarLoop]: Abstraction has 21 states and 25 transitions. [2021-10-13 00:10:09,650 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 7.0) internal successors, (14), 2 states have internal predecessors, (14), 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) [2021-10-13 00:10:09,650 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 25 transitions. [2021-10-13 00:10:09,651 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2021-10-13 00:10:09,651 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 00:10:09,651 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 00:10:09,652 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-10-13 00:10:09,652 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-13 00:10:09,653 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 00:10:09,653 INFO L82 PathProgramCache]: Analyzing trace with hash 108247460, now seen corresponding path program 1 times [2021-10-13 00:10:09,654 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 00:10:09,654 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [439036479] [2021-10-13 00:10:09,654 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 00:10:09,655 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 00:10:09,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:10:09,763 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 00:10:09,764 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-13 00:10:09,764 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [439036479] [2021-10-13 00:10:09,764 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [439036479] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-13 00:10:09,765 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-13 00:10:09,765 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-10-13 00:10:09,765 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1700189255] [2021-10-13 00:10:09,767 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-13 00:10:09,767 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-13 00:10:09,769 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-13 00:10:09,769 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-13 00:10:09,769 INFO L87 Difference]: Start difference. First operand 21 states and 25 transitions. Second operand has 4 states, 4 states have (on average 3.5) internal successors, (14), 4 states have internal predecessors, (14), 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) [2021-10-13 00:10:09,863 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 00:10:09,863 INFO L93 Difference]: Finished difference Result 48 states and 59 transitions. [2021-10-13 00:10:09,863 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-13 00:10:09,864 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 3.5) internal successors, (14), 4 states have internal predecessors, (14), 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 14 [2021-10-13 00:10:09,864 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 00:10:09,865 INFO L225 Difference]: With dead ends: 48 [2021-10-13 00:10:09,865 INFO L226 Difference]: Without dead ends: 34 [2021-10-13 00:10:09,866 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 15.3ms TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-13 00:10:09,866 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 34 states. [2021-10-13 00:10:09,872 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 34 to 24. [2021-10-13 00:10:09,872 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24 states, 23 states have (on average 1.2173913043478262) internal successors, (28), 23 states have internal predecessors, (28), 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) [2021-10-13 00:10:09,873 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 24 states and 28 transitions. [2021-10-13 00:10:09,874 INFO L78 Accepts]: Start accepts. Automaton has 24 states and 28 transitions. Word has length 14 [2021-10-13 00:10:09,874 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 00:10:09,874 INFO L470 AbstractCegarLoop]: Abstraction has 24 states and 28 transitions. [2021-10-13 00:10:09,875 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 3.5) internal successors, (14), 4 states have internal predecessors, (14), 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) [2021-10-13 00:10:09,875 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 28 transitions. [2021-10-13 00:10:09,876 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-10-13 00:10:09,876 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 00:10:09,876 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 00:10:09,876 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-10-13 00:10:09,877 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-13 00:10:09,878 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 00:10:09,878 INFO L82 PathProgramCache]: Analyzing trace with hash -1242970242, now seen corresponding path program 1 times [2021-10-13 00:10:09,878 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 00:10:09,878 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [319911549] [2021-10-13 00:10:09,879 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 00:10:09,879 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 00:10:09,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:10:10,517 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 00:10:10,518 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-13 00:10:10,518 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [319911549] [2021-10-13 00:10:10,518 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [319911549] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-13 00:10:10,519 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1238056837] [2021-10-13 00:10:10,519 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 00:10:10,519 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-13 00:10:10,520 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e85dc415-ba8f-4c5a-b332-17e3860a48df/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:10:10,522 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e85dc415-ba8f-4c5a-b332-17e3860a48df/bin/uautomizer-WNIpwEf4Nt/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-13 00:10:10,543 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e85dc415-ba8f-4c5a-b332-17e3860a48df/bin/uautomizer-WNIpwEf4Nt/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-10-13 00:10:10,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:10:10,605 INFO L263 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 18 conjunts are in the unsatisfiable core [2021-10-13 00:10:10,612 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 00:10:10,717 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-10-13 00:10:10,762 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 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 [2021-10-13 00:10:10,906 INFO L354 Elim1Store]: treesize reduction 104, result has 15.4 percent of original size [2021-10-13 00:10:10,907 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 5 case distinctions, treesize of input 37 treesize of output 35 [2021-10-13 00:10:11,005 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 13 [2021-10-13 00:10:11,129 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 00:10:11,130 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1238056837] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-13 00:10:11,130 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-13 00:10:11,130 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 9] total 11 [2021-10-13 00:10:11,131 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2058610516] [2021-10-13 00:10:11,131 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2021-10-13 00:10:11,132 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-13 00:10:11,133 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-10-13 00:10:11,133 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=83, Unknown=0, NotChecked=0, Total=110 [2021-10-13 00:10:11,133 INFO L87 Difference]: Start difference. First operand 24 states and 28 transitions. Second operand has 11 states, 11 states have (on average 2.4545454545454546) internal successors, (27), 11 states have internal predecessors, (27), 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) [2021-10-13 00:10:11,326 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 00:10:11,326 INFO L93 Difference]: Finished difference Result 46 states and 53 transitions. [2021-10-13 00:10:11,327 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-10-13 00:10:11,327 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 2.4545454545454546) internal successors, (27), 11 states have internal predecessors, (27), 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 21 [2021-10-13 00:10:11,328 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 00:10:11,330 INFO L225 Difference]: With dead ends: 46 [2021-10-13 00:10:11,330 INFO L226 Difference]: Without dead ends: 44 [2021-10-13 00:10:11,331 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 18 SyntacticMatches, 5 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 56 ImplicationChecksByTransitivity, 198.5ms TimeCoverageRelationStatistics Valid=50, Invalid=160, Unknown=0, NotChecked=0, Total=210 [2021-10-13 00:10:11,332 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 44 states. [2021-10-13 00:10:11,338 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 44 to 30. [2021-10-13 00:10:11,339 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 30 states, 29 states have (on average 1.2413793103448276) internal successors, (36), 29 states have internal predecessors, (36), 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) [2021-10-13 00:10:11,340 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 30 states and 36 transitions. [2021-10-13 00:10:11,340 INFO L78 Accepts]: Start accepts. Automaton has 30 states and 36 transitions. Word has length 21 [2021-10-13 00:10:11,340 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 00:10:11,341 INFO L470 AbstractCegarLoop]: Abstraction has 30 states and 36 transitions. [2021-10-13 00:10:11,341 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 2.4545454545454546) internal successors, (27), 11 states have internal predecessors, (27), 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) [2021-10-13 00:10:11,341 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 36 transitions. [2021-10-13 00:10:11,342 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-10-13 00:10:11,342 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 00:10:11,342 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 00:10:11,388 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e85dc415-ba8f-4c5a-b332-17e3860a48df/bin/uautomizer-WNIpwEf4Nt/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2021-10-13 00:10:11,560 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e85dc415-ba8f-4c5a-b332-17e3860a48df/bin/uautomizer-WNIpwEf4Nt/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-13 00:10:11,561 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-13 00:10:11,561 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 00:10:11,561 INFO L82 PathProgramCache]: Analyzing trace with hash 532037120, now seen corresponding path program 1 times [2021-10-13 00:10:11,562 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 00:10:11,562 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1705913683] [2021-10-13 00:10:11,562 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 00:10:11,562 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 00:10:11,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:10:11,929 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 1 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 00:10:11,930 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-13 00:10:11,930 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1705913683] [2021-10-13 00:10:11,930 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1705913683] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-13 00:10:11,931 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [911003956] [2021-10-13 00:10:11,931 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 00:10:11,931 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-13 00:10:11,931 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e85dc415-ba8f-4c5a-b332-17e3860a48df/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:10:11,932 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e85dc415-ba8f-4c5a-b332-17e3860a48df/bin/uautomizer-WNIpwEf4Nt/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-13 00:10:11,949 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e85dc415-ba8f-4c5a-b332-17e3860a48df/bin/uautomizer-WNIpwEf4Nt/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2021-10-13 00:10:12,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:10:12,008 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 17 conjunts are in the unsatisfiable core [2021-10-13 00:10:12,010 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 00:10:12,054 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 [2021-10-13 00:10:12,133 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-13 00:10:12,135 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 23 treesize of output 22 [2021-10-13 00:10:12,432 INFO L354 Elim1Store]: treesize reduction 39, result has 15.2 percent of original size [2021-10-13 00:10:12,433 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 41 treesize of output 28 [2021-10-13 00:10:12,603 INFO L354 Elim1Store]: treesize reduction 11, result has 8.3 percent of original size [2021-10-13 00:10:12,604 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 31 treesize of output 15 [2021-10-13 00:10:12,641 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 1 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 00:10:12,641 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [911003956] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-13 00:10:12,641 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-13 00:10:12,641 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 10] total 18 [2021-10-13 00:10:12,642 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1343359785] [2021-10-13 00:10:12,642 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2021-10-13 00:10:12,643 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-13 00:10:12,643 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2021-10-13 00:10:12,644 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=67, Invalid=239, Unknown=0, NotChecked=0, Total=306 [2021-10-13 00:10:12,644 INFO L87 Difference]: Start difference. First operand 30 states and 36 transitions. Second operand has 18 states, 18 states have (on average 1.7777777777777777) internal successors, (32), 18 states have internal predecessors, (32), 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) [2021-10-13 00:10:12,972 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 00:10:12,972 INFO L93 Difference]: Finished difference Result 50 states and 61 transitions. [2021-10-13 00:10:12,972 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-10-13 00:10:12,973 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 1.7777777777777777) internal successors, (32), 18 states have internal predecessors, (32), 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 21 [2021-10-13 00:10:12,973 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 00:10:12,974 INFO L225 Difference]: With dead ends: 50 [2021-10-13 00:10:12,974 INFO L226 Difference]: Without dead ends: 40 [2021-10-13 00:10:12,975 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 16 SyntacticMatches, 1 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 95 ImplicationChecksByTransitivity, 453.2ms TimeCoverageRelationStatistics Valid=97, Invalid=365, Unknown=0, NotChecked=0, Total=462 [2021-10-13 00:10:12,975 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 40 states. [2021-10-13 00:10:12,981 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 40 to 39. [2021-10-13 00:10:12,981 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 39 states, 38 states have (on average 1.236842105263158) internal successors, (47), 38 states have internal predecessors, (47), 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) [2021-10-13 00:10:12,982 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 39 states and 47 transitions. [2021-10-13 00:10:12,983 INFO L78 Accepts]: Start accepts. Automaton has 39 states and 47 transitions. Word has length 21 [2021-10-13 00:10:12,983 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 00:10:12,983 INFO L470 AbstractCegarLoop]: Abstraction has 39 states and 47 transitions. [2021-10-13 00:10:12,984 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 1.7777777777777777) internal successors, (32), 18 states have internal predecessors, (32), 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) [2021-10-13 00:10:12,984 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 47 transitions. [2021-10-13 00:10:12,985 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-10-13 00:10:12,985 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 00:10:12,985 INFO L512 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 00:10:13,017 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e85dc415-ba8f-4c5a-b332-17e3860a48df/bin/uautomizer-WNIpwEf4Nt/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2021-10-13 00:10:13,199 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e85dc415-ba8f-4c5a-b332-17e3860a48df/bin/uautomizer-WNIpwEf4Nt/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-13 00:10:13,200 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-13 00:10:13,200 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 00:10:13,200 INFO L82 PathProgramCache]: Analyzing trace with hash -1912499326, now seen corresponding path program 2 times [2021-10-13 00:10:13,201 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 00:10:13,202 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [396458337] [2021-10-13 00:10:13,202 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 00:10:13,203 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 00:10:13,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:10:13,292 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-10-13 00:10:13,297 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-13 00:10:13,298 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [396458337] [2021-10-13 00:10:13,298 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [396458337] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-13 00:10:13,298 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [471312596] [2021-10-13 00:10:13,299 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-10-13 00:10:13,299 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-13 00:10:13,299 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e85dc415-ba8f-4c5a-b332-17e3860a48df/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:10:13,300 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e85dc415-ba8f-4c5a-b332-17e3860a48df/bin/uautomizer-WNIpwEf4Nt/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-13 00:10:13,317 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e85dc415-ba8f-4c5a-b332-17e3860a48df/bin/uautomizer-WNIpwEf4Nt/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2021-10-13 00:10:13,430 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-10-13 00:10:13,431 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-10-13 00:10:13,432 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 6 conjunts are in the unsatisfiable core [2021-10-13 00:10:13,434 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 00:10:13,570 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-10-13 00:10:13,571 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [471312596] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-13 00:10:13,572 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-13 00:10:13,572 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 12 [2021-10-13 00:10:13,572 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1059018765] [2021-10-13 00:10:13,574 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2021-10-13 00:10:13,582 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-13 00:10:13,583 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-10-13 00:10:13,584 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=99, Unknown=0, NotChecked=0, Total=132 [2021-10-13 00:10:13,584 INFO L87 Difference]: Start difference. First operand 39 states and 47 transitions. Second operand has 12 states, 12 states have (on average 3.1666666666666665) internal successors, (38), 12 states have internal predecessors, (38), 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) [2021-10-13 00:10:13,841 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 00:10:13,841 INFO L93 Difference]: Finished difference Result 84 states and 101 transitions. [2021-10-13 00:10:13,842 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-10-13 00:10:13,842 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 3.1666666666666665) internal successors, (38), 12 states have internal predecessors, (38), 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 23 [2021-10-13 00:10:13,843 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 00:10:13,843 INFO L225 Difference]: With dead ends: 84 [2021-10-13 00:10:13,844 INFO L226 Difference]: Without dead ends: 49 [2021-10-13 00:10:13,844 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 48 ImplicationChecksByTransitivity, 117.1ms TimeCoverageRelationStatistics Valid=75, Invalid=231, Unknown=0, NotChecked=0, Total=306 [2021-10-13 00:10:13,845 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 49 states. [2021-10-13 00:10:13,849 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 49 to 31. [2021-10-13 00:10:13,850 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 31 states, 30 states have (on average 1.2) internal successors, (36), 30 states have internal predecessors, (36), 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) [2021-10-13 00:10:13,851 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 31 states and 36 transitions. [2021-10-13 00:10:13,851 INFO L78 Accepts]: Start accepts. Automaton has 31 states and 36 transitions. Word has length 23 [2021-10-13 00:10:13,851 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 00:10:13,852 INFO L470 AbstractCegarLoop]: Abstraction has 31 states and 36 transitions. [2021-10-13 00:10:13,852 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 3.1666666666666665) internal successors, (38), 12 states have internal predecessors, (38), 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) [2021-10-13 00:10:13,852 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 36 transitions. [2021-10-13 00:10:13,853 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-10-13 00:10:13,853 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 00:10:13,853 INFO L512 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 00:10:13,899 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e85dc415-ba8f-4c5a-b332-17e3860a48df/bin/uautomizer-WNIpwEf4Nt/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2021-10-13 00:10:14,069 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e85dc415-ba8f-4c5a-b332-17e3860a48df/bin/uautomizer-WNIpwEf4Nt/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-13 00:10:14,069 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-13 00:10:14,070 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 00:10:14,070 INFO L82 PathProgramCache]: Analyzing trace with hash 943879772, now seen corresponding path program 2 times [2021-10-13 00:10:14,070 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 00:10:14,071 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1721733609] [2021-10-13 00:10:14,071 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 00:10:14,071 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 00:10:14,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:10:14,643 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-10-13 00:10:14,643 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-13 00:10:14,644 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1721733609] [2021-10-13 00:10:14,644 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1721733609] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-13 00:10:14,644 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [219761631] [2021-10-13 00:10:14,644 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-10-13 00:10:14,644 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-13 00:10:14,645 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e85dc415-ba8f-4c5a-b332-17e3860a48df/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:10:14,650 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e85dc415-ba8f-4c5a-b332-17e3860a48df/bin/uautomizer-WNIpwEf4Nt/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-13 00:10:14,671 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e85dc415-ba8f-4c5a-b332-17e3860a48df/bin/uautomizer-WNIpwEf4Nt/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2021-10-13 00:10:14,784 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-10-13 00:10:14,784 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-10-13 00:10:14,786 INFO L263 TraceCheckSpWp]: Trace formula consists of 111 conjuncts, 25 conjunts are in the unsatisfiable core [2021-10-13 00:10:14,789 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 00:10:14,815 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-10-13 00:10:14,833 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2021-10-13 00:10:14,912 INFO L354 Elim1Store]: treesize reduction 25, result has 21.9 percent of original size [2021-10-13 00:10:14,913 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 1 case distinctions, treesize of input 26 treesize of output 25 [2021-10-13 00:10:15,117 INFO L354 Elim1Store]: treesize reduction 11, result has 8.3 percent of original size [2021-10-13 00:10:15,120 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 43 treesize of output 37 [2021-10-13 00:10:15,244 INFO L354 Elim1Store]: treesize reduction 186, result has 13.9 percent of original size [2021-10-13 00:10:15,245 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 9 case distinctions, treesize of input 51 treesize of output 52 [2021-10-13 00:10:15,446 INFO L173 IndexEqualityManager]: detected equality via solver [2021-10-13 00:10:15,460 INFO L354 Elim1Store]: treesize reduction 66, result has 18.5 percent of original size [2021-10-13 00:10:15,460 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 47 treesize of output 46 [2021-10-13 00:10:15,624 INFO L354 Elim1Store]: treesize reduction 84, result has 31.7 percent of original size [2021-10-13 00:10:15,624 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 5 case distinctions, treesize of input 50 treesize of output 64 [2021-10-13 00:10:15,911 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 00:10:15,911 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [219761631] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-13 00:10:15,911 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-13 00:10:15,911 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 14] total 22 [2021-10-13 00:10:15,912 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1323660180] [2021-10-13 00:10:15,912 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 22 states [2021-10-13 00:10:15,912 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-13 00:10:15,913 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2021-10-13 00:10:15,913 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=76, Invalid=386, Unknown=0, NotChecked=0, Total=462 [2021-10-13 00:10:15,914 INFO L87 Difference]: Start difference. First operand 31 states and 36 transitions. Second operand has 22 states, 22 states have (on average 2.1363636363636362) internal successors, (47), 22 states have internal predecessors, (47), 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) [2021-10-13 00:10:29,118 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 00:10:29,119 INFO L93 Difference]: Finished difference Result 75 states and 86 transitions. [2021-10-13 00:10:29,119 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-10-13 00:10:29,119 INFO L78 Accepts]: Start accepts. Automaton has has 22 states, 22 states have (on average 2.1363636363636362) internal successors, (47), 22 states have internal predecessors, (47), 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 28 [2021-10-13 00:10:29,120 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 00:10:29,121 INFO L225 Difference]: With dead ends: 75 [2021-10-13 00:10:29,121 INFO L226 Difference]: Without dead ends: 73 [2021-10-13 00:10:29,122 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 22 SyntacticMatches, 2 SemanticMatches, 35 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 394 ImplicationChecksByTransitivity, 6793.7ms TimeCoverageRelationStatistics Valid=195, Invalid=1134, Unknown=3, NotChecked=0, Total=1332 [2021-10-13 00:10:29,122 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 73 states. [2021-10-13 00:10:29,129 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 73 to 39. [2021-10-13 00:10:29,129 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 39 states, 38 states have (on average 1.2105263157894737) internal successors, (46), 38 states have internal predecessors, (46), 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) [2021-10-13 00:10:29,130 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 39 states and 46 transitions. [2021-10-13 00:10:29,130 INFO L78 Accepts]: Start accepts. Automaton has 39 states and 46 transitions. Word has length 28 [2021-10-13 00:10:29,130 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 00:10:29,130 INFO L470 AbstractCegarLoop]: Abstraction has 39 states and 46 transitions. [2021-10-13 00:10:29,131 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 22 states, 22 states have (on average 2.1363636363636362) internal successors, (47), 22 states have internal predecessors, (47), 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) [2021-10-13 00:10:29,131 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 46 transitions. [2021-10-13 00:10:29,132 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-10-13 00:10:29,132 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 00:10:29,132 INFO L512 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 00:10:29,157 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e85dc415-ba8f-4c5a-b332-17e3860a48df/bin/uautomizer-WNIpwEf4Nt/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2021-10-13 00:10:29,341 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e85dc415-ba8f-4c5a-b332-17e3860a48df/bin/uautomizer-WNIpwEf4Nt/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5 [2021-10-13 00:10:29,342 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-13 00:10:29,342 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 00:10:29,343 INFO L82 PathProgramCache]: Analyzing trace with hash 550852762, now seen corresponding path program 1 times [2021-10-13 00:10:29,343 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 00:10:29,343 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1070400963] [2021-10-13 00:10:29,343 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 00:10:29,343 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 00:10:29,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:10:29,452 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2021-10-13 00:10:29,453 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-13 00:10:29,453 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1070400963] [2021-10-13 00:10:29,453 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1070400963] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-13 00:10:29,453 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [546025010] [2021-10-13 00:10:29,453 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 00:10:29,453 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-13 00:10:29,454 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e85dc415-ba8f-4c5a-b332-17e3860a48df/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:10:29,455 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e85dc415-ba8f-4c5a-b332-17e3860a48df/bin/uautomizer-WNIpwEf4Nt/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-13 00:10:29,477 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e85dc415-ba8f-4c5a-b332-17e3860a48df/bin/uautomizer-WNIpwEf4Nt/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2021-10-13 00:10:29,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:10:29,622 INFO L263 TraceCheckSpWp]: Trace formula consists of 110 conjuncts, 15 conjunts are in the unsatisfiable core [2021-10-13 00:10:29,624 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 00:10:29,650 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-10-13 00:10:29,714 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 21 [2021-10-13 00:10:29,767 INFO L354 Elim1Store]: treesize reduction 39, result has 9.3 percent of original size [2021-10-13 00:10:29,767 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 63 treesize of output 36 [2021-10-13 00:10:29,772 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 26 [2021-10-13 00:10:29,787 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 8 [2021-10-13 00:10:29,805 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 3 proven. 5 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-10-13 00:10:29,806 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [546025010] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-13 00:10:29,806 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-13 00:10:29,807 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 7] total 7 [2021-10-13 00:10:29,807 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1456048493] [2021-10-13 00:10:29,808 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-10-13 00:10:29,809 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-13 00:10:29,810 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-10-13 00:10:29,810 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2021-10-13 00:10:29,811 INFO L87 Difference]: Start difference. First operand 39 states and 46 transitions. Second operand has 7 states, 7 states have (on average 3.857142857142857) internal successors, (27), 7 states have internal predecessors, (27), 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) [2021-10-13 00:10:29,982 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 00:10:29,983 INFO L93 Difference]: Finished difference Result 76 states and 88 transitions. [2021-10-13 00:10:29,983 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-10-13 00:10:29,983 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 3.857142857142857) internal successors, (27), 7 states have internal predecessors, (27), 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 28 [2021-10-13 00:10:29,984 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 00:10:29,984 INFO L225 Difference]: With dead ends: 76 [2021-10-13 00:10:29,984 INFO L226 Difference]: Without dead ends: 66 [2021-10-13 00:10:29,985 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 28 SyntacticMatches, 2 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 108.2ms TimeCoverageRelationStatistics Valid=35, Invalid=75, Unknown=0, NotChecked=0, Total=110 [2021-10-13 00:10:29,985 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 66 states. [2021-10-13 00:10:29,990 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 66 to 44. [2021-10-13 00:10:29,990 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 44 states, 43 states have (on average 1.2325581395348837) internal successors, (53), 43 states have internal predecessors, (53), 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) [2021-10-13 00:10:29,991 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 44 states and 53 transitions. [2021-10-13 00:10:29,991 INFO L78 Accepts]: Start accepts. Automaton has 44 states and 53 transitions. Word has length 28 [2021-10-13 00:10:29,992 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 00:10:29,992 INFO L470 AbstractCegarLoop]: Abstraction has 44 states and 53 transitions. [2021-10-13 00:10:29,992 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 3.857142857142857) internal successors, (27), 7 states have internal predecessors, (27), 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) [2021-10-13 00:10:29,992 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 53 transitions. [2021-10-13 00:10:29,993 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-10-13 00:10:29,993 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 00:10:29,993 INFO L512 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 00:10:30,022 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e85dc415-ba8f-4c5a-b332-17e3860a48df/bin/uautomizer-WNIpwEf4Nt/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2021-10-13 00:10:30,217 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e85dc415-ba8f-4c5a-b332-17e3860a48df/bin/uautomizer-WNIpwEf4Nt/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable6 [2021-10-13 00:10:30,218 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-13 00:10:30,226 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 00:10:30,226 INFO L82 PathProgramCache]: Analyzing trace with hash -1969107172, now seen corresponding path program 3 times [2021-10-13 00:10:30,226 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 00:10:30,226 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1014965157] [2021-10-13 00:10:30,226 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 00:10:30,226 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 00:10:30,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:10:31,380 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 3 proven. 8 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-10-13 00:10:31,380 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-13 00:10:31,380 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1014965157] [2021-10-13 00:10:31,381 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1014965157] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-13 00:10:31,381 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1190642520] [2021-10-13 00:10:31,381 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2021-10-13 00:10:31,381 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-13 00:10:31,381 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e85dc415-ba8f-4c5a-b332-17e3860a48df/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:10:31,382 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e85dc415-ba8f-4c5a-b332-17e3860a48df/bin/uautomizer-WNIpwEf4Nt/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-13 00:10:31,385 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e85dc415-ba8f-4c5a-b332-17e3860a48df/bin/uautomizer-WNIpwEf4Nt/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2021-10-13 00:10:31,590 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2021-10-13 00:10:31,590 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-10-13 00:10:31,592 INFO L263 TraceCheckSpWp]: Trace formula consists of 109 conjuncts, 26 conjunts are in the unsatisfiable core [2021-10-13 00:10:31,594 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 00:10:31,622 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 [2021-10-13 00:10:31,629 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-10-13 00:10:31,682 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 23 treesize of output 22 [2021-10-13 00:10:31,820 INFO L354 Elim1Store]: treesize reduction 25, result has 21.9 percent of original size [2021-10-13 00:10:31,820 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 30 treesize of output 32 [2021-10-13 00:10:32,158 INFO L173 IndexEqualityManager]: detected equality via solver [2021-10-13 00:10:32,166 INFO L354 Elim1Store]: treesize reduction 15, result has 6.3 percent of original size [2021-10-13 00:10:32,166 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 59 treesize of output 49 [2021-10-13 00:10:32,367 INFO L354 Elim1Store]: treesize reduction 142, result has 14.5 percent of original size [2021-10-13 00:10:32,368 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 9 case distinctions, treesize of input 61 treesize of output 54 [2021-10-13 00:10:32,739 INFO L354 Elim1Store]: treesize reduction 49, result has 16.9 percent of original size [2021-10-13 00:10:32,740 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 59 treesize of output 39 [2021-10-13 00:10:32,909 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 4 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 00:10:32,909 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1190642520] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-13 00:10:32,909 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-13 00:10:32,909 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 16] total 28 [2021-10-13 00:10:32,910 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [781145986] [2021-10-13 00:10:32,910 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 28 states [2021-10-13 00:10:32,910 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-13 00:10:32,911 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2021-10-13 00:10:32,911 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=95, Invalid=661, Unknown=0, NotChecked=0, Total=756 [2021-10-13 00:10:32,912 INFO L87 Difference]: Start difference. First operand 44 states and 53 transitions. Second operand has 28 states, 28 states have (on average 1.5714285714285714) internal successors, (44), 28 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) [2021-10-13 00:10:33,815 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 00:10:33,816 INFO L93 Difference]: Finished difference Result 97 states and 116 transitions. [2021-10-13 00:10:33,822 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-10-13 00:10:33,822 INFO L78 Accepts]: Start accepts. Automaton has has 28 states, 28 states have (on average 1.5714285714285714) internal successors, (44), 28 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 28 [2021-10-13 00:10:33,822 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 00:10:33,823 INFO L225 Difference]: With dead ends: 97 [2021-10-13 00:10:33,823 INFO L226 Difference]: Without dead ends: 85 [2021-10-13 00:10:33,824 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 54 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 34 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 347 ImplicationChecksByTransitivity, 1266.5ms TimeCoverageRelationStatistics Valid=149, Invalid=1111, Unknown=0, NotChecked=0, Total=1260 [2021-10-13 00:10:33,825 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 85 states. [2021-10-13 00:10:33,835 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 85 to 55. [2021-10-13 00:10:33,835 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 55 states, 54 states have (on average 1.2222222222222223) internal successors, (66), 54 states have internal predecessors, (66), 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) [2021-10-13 00:10:33,836 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 55 states and 66 transitions. [2021-10-13 00:10:33,836 INFO L78 Accepts]: Start accepts. Automaton has 55 states and 66 transitions. Word has length 28 [2021-10-13 00:10:33,836 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 00:10:33,836 INFO L470 AbstractCegarLoop]: Abstraction has 55 states and 66 transitions. [2021-10-13 00:10:33,837 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 28 states, 28 states have (on average 1.5714285714285714) internal successors, (44), 28 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) [2021-10-13 00:10:33,837 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 66 transitions. [2021-10-13 00:10:33,838 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-10-13 00:10:33,838 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 00:10:33,838 INFO L512 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 00:10:33,880 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e85dc415-ba8f-4c5a-b332-17e3860a48df/bin/uautomizer-WNIpwEf4Nt/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2021-10-13 00:10:34,065 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e85dc415-ba8f-4c5a-b332-17e3860a48df/bin/uautomizer-WNIpwEf4Nt/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-13 00:10:34,066 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-13 00:10:34,066 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 00:10:34,066 INFO L82 PathProgramCache]: Analyzing trace with hash -1202810022, now seen corresponding path program 4 times [2021-10-13 00:10:34,066 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 00:10:34,067 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1244119270] [2021-10-13 00:10:34,067 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 00:10:34,067 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 00:10:34,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:10:34,141 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 6 proven. 7 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-10-13 00:10:34,141 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-13 00:10:34,141 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1244119270] [2021-10-13 00:10:34,142 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1244119270] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-13 00:10:34,142 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [407232402] [2021-10-13 00:10:34,142 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2021-10-13 00:10:34,142 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-13 00:10:34,143 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e85dc415-ba8f-4c5a-b332-17e3860a48df/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:10:34,144 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e85dc415-ba8f-4c5a-b332-17e3860a48df/bin/uautomizer-WNIpwEf4Nt/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-13 00:10:34,164 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e85dc415-ba8f-4c5a-b332-17e3860a48df/bin/uautomizer-WNIpwEf4Nt/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2021-10-13 00:10:34,352 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-10-13 00:10:34,352 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-10-13 00:10:34,353 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 8 conjunts are in the unsatisfiable core [2021-10-13 00:10:34,354 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 00:10:34,509 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 9 proven. 4 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-10-13 00:10:34,510 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [407232402] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-13 00:10:34,510 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-13 00:10:34,510 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 13 [2021-10-13 00:10:34,512 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [836862824] [2021-10-13 00:10:34,513 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2021-10-13 00:10:34,513 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-13 00:10:34,514 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-10-13 00:10:34,514 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=111, Unknown=0, NotChecked=0, Total=156 [2021-10-13 00:10:34,514 INFO L87 Difference]: Start difference. First operand 55 states and 66 transitions. Second operand has 13 states, 13 states have (on average 2.769230769230769) internal successors, (36), 13 states have internal predecessors, (36), 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) [2021-10-13 00:10:34,724 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 00:10:34,725 INFO L93 Difference]: Finished difference Result 145 states and 172 transitions. [2021-10-13 00:10:34,725 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-10-13 00:10:34,726 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 2.769230769230769) internal successors, (36), 13 states have internal predecessors, (36), 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 30 [2021-10-13 00:10:34,726 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 00:10:34,727 INFO L225 Difference]: With dead ends: 145 [2021-10-13 00:10:34,727 INFO L226 Difference]: Without dead ends: 112 [2021-10-13 00:10:34,728 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 45 ImplicationChecksByTransitivity, 95.6ms TimeCoverageRelationStatistics Valid=69, Invalid=171, Unknown=0, NotChecked=0, Total=240 [2021-10-13 00:10:34,729 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 112 states. [2021-10-13 00:10:34,744 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 112 to 80. [2021-10-13 00:10:34,744 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 80 states, 79 states have (on average 1.2025316455696202) internal successors, (95), 79 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) [2021-10-13 00:10:34,745 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 80 states and 95 transitions. [2021-10-13 00:10:34,746 INFO L78 Accepts]: Start accepts. Automaton has 80 states and 95 transitions. Word has length 30 [2021-10-13 00:10:34,746 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 00:10:34,746 INFO L470 AbstractCegarLoop]: Abstraction has 80 states and 95 transitions. [2021-10-13 00:10:34,746 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 2.769230769230769) internal successors, (36), 13 states have internal predecessors, (36), 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) [2021-10-13 00:10:34,747 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 95 transitions. [2021-10-13 00:10:34,748 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-10-13 00:10:34,748 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 00:10:34,749 INFO L512 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 00:10:34,792 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e85dc415-ba8f-4c5a-b332-17e3860a48df/bin/uautomizer-WNIpwEf4Nt/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2021-10-13 00:10:34,961 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e85dc415-ba8f-4c5a-b332-17e3860a48df/bin/uautomizer-WNIpwEf4Nt/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-13 00:10:34,962 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-13 00:10:34,962 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 00:10:34,962 INFO L82 PathProgramCache]: Analyzing trace with hash -1432341606, now seen corresponding path program 5 times [2021-10-13 00:10:34,963 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 00:10:34,963 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [426894646] [2021-10-13 00:10:34,963 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 00:10:34,963 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 00:10:34,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:10:35,045 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 1 proven. 12 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-10-13 00:10:35,045 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-13 00:10:35,045 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [426894646] [2021-10-13 00:10:35,045 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [426894646] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-13 00:10:35,046 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2057628343] [2021-10-13 00:10:35,046 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2021-10-13 00:10:35,046 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-13 00:10:35,046 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e85dc415-ba8f-4c5a-b332-17e3860a48df/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:10:35,047 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e85dc415-ba8f-4c5a-b332-17e3860a48df/bin/uautomizer-WNIpwEf4Nt/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-13 00:10:35,065 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e85dc415-ba8f-4c5a-b332-17e3860a48df/bin/uautomizer-WNIpwEf4Nt/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2021-10-13 00:10:35,313 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 4 check-sat command(s) [2021-10-13 00:10:35,313 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-10-13 00:10:35,314 INFO L263 TraceCheckSpWp]: Trace formula consists of 113 conjuncts, 8 conjunts are in the unsatisfiable core [2021-10-13 00:10:35,316 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 00:10:35,507 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 4 proven. 9 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-10-13 00:10:35,507 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2057628343] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-13 00:10:35,507 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-13 00:10:35,507 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 13 [2021-10-13 00:10:35,507 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [645748826] [2021-10-13 00:10:35,507 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2021-10-13 00:10:35,508 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-13 00:10:35,508 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-10-13 00:10:35,508 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=109, Unknown=0, NotChecked=0, Total=156 [2021-10-13 00:10:35,508 INFO L87 Difference]: Start difference. First operand 80 states and 95 transitions. Second operand has 13 states, 13 states have (on average 2.769230769230769) internal successors, (36), 13 states have internal predecessors, (36), 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) [2021-10-13 00:10:35,793 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 00:10:35,793 INFO L93 Difference]: Finished difference Result 119 states and 134 transitions. [2021-10-13 00:10:35,794 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-10-13 00:10:35,794 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 2.769230769230769) internal successors, (36), 13 states have internal predecessors, (36), 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 30 [2021-10-13 00:10:35,794 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 00:10:35,795 INFO L225 Difference]: With dead ends: 119 [2021-10-13 00:10:35,795 INFO L226 Difference]: Without dead ends: 94 [2021-10-13 00:10:35,796 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 26 SyntacticMatches, 1 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 62 ImplicationChecksByTransitivity, 147.9ms TimeCoverageRelationStatistics Valid=94, Invalid=248, Unknown=0, NotChecked=0, Total=342 [2021-10-13 00:10:35,796 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 94 states. [2021-10-13 00:10:35,807 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 94 to 67. [2021-10-13 00:10:35,808 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 67 states, 66 states have (on average 1.1515151515151516) internal successors, (76), 66 states have internal predecessors, (76), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 00:10:35,809 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 67 states and 76 transitions. [2021-10-13 00:10:35,809 INFO L78 Accepts]: Start accepts. Automaton has 67 states and 76 transitions. Word has length 30 [2021-10-13 00:10:35,810 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 00:10:35,810 INFO L470 AbstractCegarLoop]: Abstraction has 67 states and 76 transitions. [2021-10-13 00:10:35,810 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 2.769230769230769) internal successors, (36), 13 states have internal predecessors, (36), 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) [2021-10-13 00:10:35,810 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 76 transitions. [2021-10-13 00:10:35,812 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2021-10-13 00:10:35,812 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 00:10:35,812 INFO L512 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 00:10:35,848 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e85dc415-ba8f-4c5a-b332-17e3860a48df/bin/uautomizer-WNIpwEf4Nt/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Ended with exit code 0 [2021-10-13 00:10:36,033 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e85dc415-ba8f-4c5a-b332-17e3860a48df/bin/uautomizer-WNIpwEf4Nt/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2021-10-13 00:10:36,034 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-13 00:10:36,034 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 00:10:36,034 INFO L82 PathProgramCache]: Analyzing trace with hash -736332014, now seen corresponding path program 1 times [2021-10-13 00:10:36,034 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 00:10:36,035 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [374991968] [2021-10-13 00:10:36,035 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 00:10:36,035 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 00:10:36,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:10:36,435 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-10-13 00:10:36,436 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-13 00:10:36,436 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [374991968] [2021-10-13 00:10:36,436 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [374991968] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-13 00:10:36,436 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [519245746] [2021-10-13 00:10:36,436 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 00:10:36,436 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-13 00:10:36,437 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e85dc415-ba8f-4c5a-b332-17e3860a48df/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:10:36,438 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e85dc415-ba8f-4c5a-b332-17e3860a48df/bin/uautomizer-WNIpwEf4Nt/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-13 00:10:36,450 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e85dc415-ba8f-4c5a-b332-17e3860a48df/bin/uautomizer-WNIpwEf4Nt/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2021-10-13 00:10:36,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:10:36,687 INFO L263 TraceCheckSpWp]: Trace formula consists of 122 conjuncts, 26 conjunts are in the unsatisfiable core [2021-10-13 00:10:36,689 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 00:10:36,764 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 [2021-10-13 00:10:36,853 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-13 00:10:36,857 INFO L354 Elim1Store]: treesize reduction 13, result has 7.1 percent of original size [2021-10-13 00:10:36,857 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 35 treesize of output 33 [2021-10-13 00:10:36,914 INFO L354 Elim1Store]: treesize reduction 114, result has 15.6 percent of original size [2021-10-13 00:10:36,914 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 5 case distinctions, treesize of input 40 treesize of output 38 [2021-10-13 00:10:36,989 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-13 00:10:36,991 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-10-13 00:10:36,991 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 35 treesize of output 26 [2021-10-13 00:10:37,040 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 47 treesize of output 27 [2021-10-13 00:10:37,181 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-10-13 00:10:37,181 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [519245746] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-13 00:10:37,182 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-13 00:10:37,182 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 12] total 18 [2021-10-13 00:10:37,182 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [865206853] [2021-10-13 00:10:37,182 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2021-10-13 00:10:37,183 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-13 00:10:37,183 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2021-10-13 00:10:37,183 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=255, Unknown=0, NotChecked=0, Total=306 [2021-10-13 00:10:37,184 INFO L87 Difference]: Start difference. First operand 67 states and 76 transitions. Second operand has 18 states, 18 states have (on average 2.8333333333333335) internal successors, (51), 18 states have internal predecessors, (51), 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) [2021-10-13 00:10:37,511 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 00:10:37,511 INFO L93 Difference]: Finished difference Result 80 states and 89 transitions. [2021-10-13 00:10:37,511 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-10-13 00:10:37,511 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 2.8333333333333335) internal successors, (51), 18 states have internal predecessors, (51), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 32 [2021-10-13 00:10:37,512 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 00:10:37,512 INFO L225 Difference]: With dead ends: 80 [2021-10-13 00:10:37,512 INFO L226 Difference]: Without dead ends: 69 [2021-10-13 00:10:37,513 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 54 GetRequests, 28 SyntacticMatches, 4 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 150 ImplicationChecksByTransitivity, 315.9ms TimeCoverageRelationStatistics Valid=92, Invalid=460, Unknown=0, NotChecked=0, Total=552 [2021-10-13 00:10:37,513 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 69 states. [2021-10-13 00:10:37,533 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 69 to 67. [2021-10-13 00:10:37,533 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 67 states, 66 states have (on average 1.1363636363636365) internal successors, (75), 66 states have internal predecessors, (75), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 00:10:37,534 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 67 states and 75 transitions. [2021-10-13 00:10:37,534 INFO L78 Accepts]: Start accepts. Automaton has 67 states and 75 transitions. Word has length 32 [2021-10-13 00:10:37,535 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 00:10:37,535 INFO L470 AbstractCegarLoop]: Abstraction has 67 states and 75 transitions. [2021-10-13 00:10:37,535 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 2.8333333333333335) internal successors, (51), 18 states have internal predecessors, (51), 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) [2021-10-13 00:10:37,535 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 75 transitions. [2021-10-13 00:10:37,536 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2021-10-13 00:10:37,537 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 00:10:37,537 INFO L512 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 00:10:37,566 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e85dc415-ba8f-4c5a-b332-17e3860a48df/bin/uautomizer-WNIpwEf4Nt/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2021-10-13 00:10:37,749 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e85dc415-ba8f-4c5a-b332-17e3860a48df/bin/uautomizer-WNIpwEf4Nt/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-13 00:10:37,750 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-13 00:10:37,750 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 00:10:37,750 INFO L82 PathProgramCache]: Analyzing trace with hash -35267436, now seen corresponding path program 1 times [2021-10-13 00:10:37,750 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 00:10:37,750 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1295523323] [2021-10-13 00:10:37,751 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 00:10:37,751 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 00:10:37,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:10:37,842 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2021-10-13 00:10:37,842 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-13 00:10:37,842 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1295523323] [2021-10-13 00:10:37,842 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1295523323] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-13 00:10:37,842 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [831717755] [2021-10-13 00:10:37,842 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 00:10:37,842 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-13 00:10:37,842 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e85dc415-ba8f-4c5a-b332-17e3860a48df/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:10:37,843 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e85dc415-ba8f-4c5a-b332-17e3860a48df/bin/uautomizer-WNIpwEf4Nt/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-13 00:10:37,846 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e85dc415-ba8f-4c5a-b332-17e3860a48df/bin/uautomizer-WNIpwEf4Nt/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2021-10-13 00:10:38,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:10:38,091 INFO L263 TraceCheckSpWp]: Trace formula consists of 121 conjuncts, 15 conjunts are in the unsatisfiable core [2021-10-13 00:10:38,093 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 00:10:38,106 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-10-13 00:10:38,161 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 21 [2021-10-13 00:10:38,206 INFO L354 Elim1Store]: treesize reduction 39, result has 9.3 percent of original size [2021-10-13 00:10:38,207 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 62 treesize of output 35 [2021-10-13 00:10:38,211 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 25 [2021-10-13 00:10:38,239 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 7 [2021-10-13 00:10:38,269 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 3 proven. 5 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2021-10-13 00:10:38,269 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [831717755] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-13 00:10:38,270 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-13 00:10:38,270 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 7] total 7 [2021-10-13 00:10:38,270 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [578713071] [2021-10-13 00:10:38,270 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-10-13 00:10:38,270 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-13 00:10:38,271 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-10-13 00:10:38,271 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2021-10-13 00:10:38,271 INFO L87 Difference]: Start difference. First operand 67 states and 75 transitions. Second operand has 7 states, 7 states have (on average 4.285714285714286) internal successors, (30), 7 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 00:10:38,443 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 00:10:38,443 INFO L93 Difference]: Finished difference Result 98 states and 107 transitions. [2021-10-13 00:10:38,444 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-10-13 00:10:38,444 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 4.285714285714286) internal successors, (30), 7 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 32 [2021-10-13 00:10:38,444 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 00:10:38,445 INFO L225 Difference]: With dead ends: 98 [2021-10-13 00:10:38,445 INFO L226 Difference]: Without dead ends: 65 [2021-10-13 00:10:38,446 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 32 SyntacticMatches, 2 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 96.5ms TimeCoverageRelationStatistics Valid=35, Invalid=75, Unknown=0, NotChecked=0, Total=110 [2021-10-13 00:10:38,446 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 65 states. [2021-10-13 00:10:38,456 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 65 to 46. [2021-10-13 00:10:38,461 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 46 states, 45 states have (on average 1.1333333333333333) internal successors, (51), 45 states have internal predecessors, (51), 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) [2021-10-13 00:10:38,461 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 46 states and 51 transitions. [2021-10-13 00:10:38,462 INFO L78 Accepts]: Start accepts. Automaton has 46 states and 51 transitions. Word has length 32 [2021-10-13 00:10:38,462 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 00:10:38,463 INFO L470 AbstractCegarLoop]: Abstraction has 46 states and 51 transitions. [2021-10-13 00:10:38,463 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 4.285714285714286) internal successors, (30), 7 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 00:10:38,463 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 51 transitions. [2021-10-13 00:10:38,465 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2021-10-13 00:10:38,468 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 00:10:38,468 INFO L512 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 00:10:38,513 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e85dc415-ba8f-4c5a-b332-17e3860a48df/bin/uautomizer-WNIpwEf4Nt/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 0 [2021-10-13 00:10:38,678 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e85dc415-ba8f-4c5a-b332-17e3860a48df/bin/uautomizer-WNIpwEf4Nt/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2021-10-13 00:10:38,678 INFO L402 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-13 00:10:38,678 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 00:10:38,679 INFO L82 PathProgramCache]: Analyzing trace with hash -143226682, now seen corresponding path program 3 times [2021-10-13 00:10:38,679 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 00:10:38,679 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1472388643] [2021-10-13 00:10:38,679 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 00:10:38,679 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 00:10:38,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:10:39,139 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 1 proven. 25 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-10-13 00:10:39,140 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-13 00:10:39,140 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1472388643] [2021-10-13 00:10:39,140 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1472388643] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-13 00:10:39,140 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [843820175] [2021-10-13 00:10:39,140 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2021-10-13 00:10:39,140 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-13 00:10:39,141 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e85dc415-ba8f-4c5a-b332-17e3860a48df/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:10:39,154 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e85dc415-ba8f-4c5a-b332-17e3860a48df/bin/uautomizer-WNIpwEf4Nt/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-13 00:10:39,155 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e85dc415-ba8f-4c5a-b332-17e3860a48df/bin/uautomizer-WNIpwEf4Nt/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2021-10-13 00:10:39,407 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) [2021-10-13 00:10:39,407 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-10-13 00:10:39,408 INFO L263 TraceCheckSpWp]: Trace formula consists of 127 conjuncts, 35 conjunts are in the unsatisfiable core [2021-10-13 00:10:39,410 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 00:10:39,437 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-10-13 00:10:39,451 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2021-10-13 00:10:39,497 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 39 treesize of output 34 [2021-10-13 00:10:39,514 INFO L354 Elim1Store]: treesize reduction 25, result has 21.9 percent of original size [2021-10-13 00:10:39,514 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 44 treesize of output 48 [2021-10-13 00:10:39,915 INFO L354 Elim1Store]: treesize reduction 72, result has 20.9 percent of original size [2021-10-13 00:10:39,915 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 43 treesize of output 45 [2021-10-13 00:10:57,775 INFO L173 IndexEqualityManager]: detected equality via solver [2021-10-13 00:10:57,779 INFO L354 Elim1Store]: treesize reduction 48, result has 2.0 percent of original size [2021-10-13 00:10:57,779 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 1 disjoint index pairs (out of 10 index pairs), introduced 4 new quantified variables, introduced 5 case distinctions, treesize of input 69 treesize of output 66 [2021-10-13 00:11:02,321 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-13 00:11:02,332 INFO L354 Elim1Store]: treesize reduction 72, result has 1.4 percent of original size [2021-10-13 00:11:02,332 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 2 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 5 case distinctions, treesize of input 69 treesize of output 73 [2021-10-13 00:11:06,938 INFO L354 Elim1Store]: treesize reduction 284, result has 12.6 percent of original size [2021-10-13 00:11:06,938 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 0 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 14 case distinctions, treesize of input 79 treesize of output 83 [2021-10-13 00:11:07,357 INFO L354 Elim1Store]: treesize reduction 54, result has 21.7 percent of original size [2021-10-13 00:11:07,358 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 41 treesize of output 44 [2021-10-13 00:11:07,502 INFO L354 Elim1Store]: treesize reduction 64, result has 48.0 percent of original size [2021-10-13 00:11:07,502 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 5 case distinctions, treesize of input 49 treesize of output 83 [2021-10-13 00:11:10,770 INFO L354 Elim1Store]: treesize reduction 126, result has 41.7 percent of original size [2021-10-13 00:11:10,770 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 9 case distinctions, treesize of input 112 treesize of output 161 [2021-10-13 00:11:21,013 INFO L354 Elim1Store]: treesize reduction 9, result has 10.0 percent of original size [2021-10-13 00:11:21,014 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 78 treesize of output 44 [2021-10-13 00:11:21,073 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 3 proven. 27 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 00:11:21,073 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [843820175] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-13 00:11:21,074 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-13 00:11:21,074 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 22] total 31 [2021-10-13 00:11:21,074 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [6215893] [2021-10-13 00:11:21,075 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 31 states [2021-10-13 00:11:21,075 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-13 00:11:21,075 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 31 interpolants. [2021-10-13 00:11:21,076 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=124, Invalid=797, Unknown=9, NotChecked=0, Total=930 [2021-10-13 00:11:21,076 INFO L87 Difference]: Start difference. First operand 46 states and 51 transitions. Second operand has 31 states, 31 states have (on average 1.935483870967742) internal successors, (60), 31 states have internal predecessors, (60), 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) [2021-10-13 00:11:55,262 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 00:11:55,263 INFO L93 Difference]: Finished difference Result 97 states and 106 transitions. [2021-10-13 00:11:55,263 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-10-13 00:11:55,263 INFO L78 Accepts]: Start accepts. Automaton has has 31 states, 31 states have (on average 1.935483870967742) internal successors, (60), 31 states have internal predecessors, (60), 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 35 [2021-10-13 00:11:55,263 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 00:11:55,264 INFO L225 Difference]: With dead ends: 97 [2021-10-13 00:11:55,264 INFO L226 Difference]: Without dead ends: 95 [2021-10-13 00:11:55,266 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 83 GetRequests, 23 SyntacticMatches, 4 SemanticMatches, 56 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 992 ImplicationChecksByTransitivity, 55884.6ms TimeCoverageRelationStatistics Valid=462, Invalid=2832, Unknown=12, NotChecked=0, Total=3306 [2021-10-13 00:11:55,266 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 95 states. [2021-10-13 00:11:55,274 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 95 to 49. [2021-10-13 00:11:55,285 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 49 states, 48 states have (on average 1.125) internal successors, (54), 48 states have internal predecessors, (54), 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) [2021-10-13 00:11:55,286 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 49 states and 54 transitions. [2021-10-13 00:11:55,286 INFO L78 Accepts]: Start accepts. Automaton has 49 states and 54 transitions. Word has length 35 [2021-10-13 00:11:55,286 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 00:11:55,287 INFO L470 AbstractCegarLoop]: Abstraction has 49 states and 54 transitions. [2021-10-13 00:11:55,287 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 31 states, 31 states have (on average 1.935483870967742) internal successors, (60), 31 states have internal predecessors, (60), 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) [2021-10-13 00:11:55,287 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 54 transitions. [2021-10-13 00:11:55,288 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2021-10-13 00:11:55,288 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 00:11:55,288 INFO L512 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 00:11:55,325 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e85dc415-ba8f-4c5a-b332-17e3860a48df/bin/uautomizer-WNIpwEf4Nt/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Forceful destruction successful, exit code 0 [2021-10-13 00:11:55,501 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e85dc415-ba8f-4c5a-b332-17e3860a48df/bin/uautomizer-WNIpwEf4Nt/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2021-10-13 00:11:55,501 INFO L402 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-13 00:11:55,501 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 00:11:55,502 INFO L82 PathProgramCache]: Analyzing trace with hash 651947656, now seen corresponding path program 6 times [2021-10-13 00:11:55,502 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 00:11:55,502 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1305116304] [2021-10-13 00:11:55,502 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 00:11:55,502 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 00:11:55,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:11:56,331 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 18 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2021-10-13 00:11:56,331 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-13 00:11:56,331 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1305116304] [2021-10-13 00:11:56,331 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1305116304] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-13 00:11:56,331 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1907792780] [2021-10-13 00:11:56,332 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2021-10-13 00:11:56,332 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-13 00:11:56,332 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e85dc415-ba8f-4c5a-b332-17e3860a48df/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:11:56,333 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e85dc415-ba8f-4c5a-b332-17e3860a48df/bin/uautomizer-WNIpwEf4Nt/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-13 00:11:56,334 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e85dc415-ba8f-4c5a-b332-17e3860a48df/bin/uautomizer-WNIpwEf4Nt/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2021-10-13 00:11:56,662 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 4 check-sat command(s) [2021-10-13 00:11:56,663 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-10-13 00:11:56,664 INFO L263 TraceCheckSpWp]: Trace formula consists of 124 conjuncts, 42 conjunts are in the unsatisfiable core [2021-10-13 00:11:56,666 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 00:11:56,693 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 [2021-10-13 00:11:56,702 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-10-13 00:11:56,723 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-13 00:11:56,725 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 23 treesize of output 22 [2021-10-13 00:11:56,763 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-13 00:11:56,765 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 37 treesize of output 35 [2021-10-13 00:11:56,767 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-13 00:11:56,776 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-13 00:11:56,777 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 25 treesize of output 29 [2021-10-13 00:11:56,824 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-13 00:11:56,838 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 51 treesize of output 47 [2021-10-13 00:11:56,841 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-13 00:11:56,842 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-13 00:11:56,844 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-13 00:11:56,845 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-13 00:11:56,845 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 39 [2021-10-13 00:11:57,034 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 4 disjoint index pairs (out of 10 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 50 treesize of output 43 [2021-10-13 00:11:57,145 INFO L354 Elim1Store]: treesize reduction 36, result has 2.7 percent of original size [2021-10-13 00:11:57,145 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 4 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 3 case distinctions, treesize of input 54 treesize of output 54 [2021-10-13 00:11:57,284 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-13 00:11:57,287 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-13 00:11:57,292 INFO L354 Elim1Store]: treesize reduction 62, result has 1.6 percent of original size [2021-10-13 00:11:57,292 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 6 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 5 case distinctions, treesize of input 65 treesize of output 68 [2021-10-13 00:11:57,704 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-13 00:11:57,705 INFO L173 IndexEqualityManager]: detected equality via solver [2021-10-13 00:11:57,705 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-13 00:11:57,773 INFO L354 Elim1Store]: treesize reduction 286, result has 7.4 percent of original size [2021-10-13 00:11:57,773 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 7 select indices, 7 select index equivalence classes, 3 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 24 case distinctions, treesize of input 79 treesize of output 84 [2021-10-13 00:11:58,046 INFO L354 Elim1Store]: treesize reduction 78, result has 3.7 percent of original size [2021-10-13 00:11:58,047 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 3 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 10 case distinctions, treesize of input 69 treesize of output 36 [2021-10-13 00:11:58,123 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 8 proven. 20 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-10-13 00:11:58,124 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1907792780] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-13 00:11:58,124 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-13 00:11:58,124 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18, 21] total 29 [2021-10-13 00:11:58,124 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [185438686] [2021-10-13 00:11:58,125 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 29 states [2021-10-13 00:11:58,125 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-13 00:11:58,126 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 29 interpolants. [2021-10-13 00:11:58,126 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=73, Invalid=739, Unknown=0, NotChecked=0, Total=812 [2021-10-13 00:11:58,127 INFO L87 Difference]: Start difference. First operand 49 states and 54 transitions. Second operand has 29 states, 29 states have (on average 1.5862068965517242) internal successors, (46), 29 states have internal predecessors, (46), 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) [2021-10-13 00:11:59,103 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 00:11:59,104 INFO L93 Difference]: Finished difference Result 97 states and 107 transitions. [2021-10-13 00:11:59,104 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-10-13 00:11:59,104 INFO L78 Accepts]: Start accepts. Automaton has has 29 states, 29 states have (on average 1.5862068965517242) internal successors, (46), 29 states have internal predecessors, (46), 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 35 [2021-10-13 00:11:59,104 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 00:11:59,105 INFO L225 Difference]: With dead ends: 97 [2021-10-13 00:11:59,105 INFO L226 Difference]: Without dead ends: 82 [2021-10-13 00:11:59,106 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 65 GetRequests, 25 SyntacticMatches, 5 SemanticMatches, 35 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 250 ImplicationChecksByTransitivity, 1287.8ms TimeCoverageRelationStatistics Valid=121, Invalid=1211, Unknown=0, NotChecked=0, Total=1332 [2021-10-13 00:11:59,106 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 82 states. [2021-10-13 00:11:59,115 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 82 to 62. [2021-10-13 00:11:59,115 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 62 states, 61 states have (on average 1.1311475409836065) internal successors, (69), 61 states have internal predecessors, (69), 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) [2021-10-13 00:11:59,116 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 62 states and 69 transitions. [2021-10-13 00:11:59,116 INFO L78 Accepts]: Start accepts. Automaton has 62 states and 69 transitions. Word has length 35 [2021-10-13 00:11:59,116 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 00:11:59,116 INFO L470 AbstractCegarLoop]: Abstraction has 62 states and 69 transitions. [2021-10-13 00:11:59,116 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 29 states, 29 states have (on average 1.5862068965517242) internal successors, (46), 29 states have internal predecessors, (46), 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) [2021-10-13 00:11:59,117 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 69 transitions. [2021-10-13 00:11:59,118 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2021-10-13 00:11:59,118 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 00:11:59,118 INFO L512 BasicCegarLoop]: trace histogram [4, 4, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 00:11:59,140 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e85dc415-ba8f-4c5a-b332-17e3860a48df/bin/uautomizer-WNIpwEf4Nt/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Forceful destruction successful, exit code 0 [2021-10-13 00:11:59,325 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e85dc415-ba8f-4c5a-b332-17e3860a48df/bin/uautomizer-WNIpwEf4Nt/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2021-10-13 00:11:59,326 INFO L402 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-13 00:11:59,326 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 00:11:59,326 INFO L82 PathProgramCache]: Analyzing trace with hash 1989187722, now seen corresponding path program 7 times [2021-10-13 00:11:59,326 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 00:11:59,326 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1433338019] [2021-10-13 00:11:59,326 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 00:11:59,327 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 00:11:59,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:11:59,419 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 11 proven. 14 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2021-10-13 00:11:59,419 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-13 00:11:59,419 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1433338019] [2021-10-13 00:11:59,419 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1433338019] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-13 00:11:59,420 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1590971967] [2021-10-13 00:11:59,420 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2021-10-13 00:11:59,420 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-13 00:11:59,421 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e85dc415-ba8f-4c5a-b332-17e3860a48df/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:11:59,421 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e85dc415-ba8f-4c5a-b332-17e3860a48df/bin/uautomizer-WNIpwEf4Nt/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-13 00:11:59,445 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e85dc415-ba8f-4c5a-b332-17e3860a48df/bin/uautomizer-WNIpwEf4Nt/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2021-10-13 00:11:59,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:11:59,796 INFO L263 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 10 conjunts are in the unsatisfiable core [2021-10-13 00:11:59,797 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 00:11:59,939 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 16 proven. 9 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2021-10-13 00:11:59,939 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1590971967] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-13 00:11:59,939 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-13 00:11:59,939 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11] total 16 [2021-10-13 00:11:59,940 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [200514497] [2021-10-13 00:11:59,940 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2021-10-13 00:11:59,940 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-13 00:11:59,941 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2021-10-13 00:11:59,941 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=65, Invalid=175, Unknown=0, NotChecked=0, Total=240 [2021-10-13 00:11:59,941 INFO L87 Difference]: Start difference. First operand 62 states and 69 transitions. Second operand has 16 states, 16 states have (on average 2.625) internal successors, (42), 16 states have internal predecessors, (42), 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) [2021-10-13 00:12:00,179 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 00:12:00,179 INFO L93 Difference]: Finished difference Result 175 states and 192 transitions. [2021-10-13 00:12:00,180 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-10-13 00:12:00,180 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 16 states have (on average 2.625) internal successors, (42), 16 states have internal predecessors, (42), 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 37 [2021-10-13 00:12:00,180 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 00:12:00,181 INFO L225 Difference]: With dead ends: 175 [2021-10-13 00:12:00,181 INFO L226 Difference]: Without dead ends: 141 [2021-10-13 00:12:00,187 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 51 GetRequests, 33 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 78 ImplicationChecksByTransitivity, 116.5ms TimeCoverageRelationStatistics Valid=103, Invalid=277, Unknown=0, NotChecked=0, Total=380 [2021-10-13 00:12:00,187 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 141 states. [2021-10-13 00:12:00,207 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 141 to 103. [2021-10-13 00:12:00,208 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 103 states, 102 states have (on average 1.1274509803921569) internal successors, (115), 102 states have internal predecessors, (115), 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) [2021-10-13 00:12:00,209 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 103 states and 115 transitions. [2021-10-13 00:12:00,209 INFO L78 Accepts]: Start accepts. Automaton has 103 states and 115 transitions. Word has length 37 [2021-10-13 00:12:00,210 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 00:12:00,210 INFO L470 AbstractCegarLoop]: Abstraction has 103 states and 115 transitions. [2021-10-13 00:12:00,210 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 2.625) internal successors, (42), 16 states have internal predecessors, (42), 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) [2021-10-13 00:12:00,211 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 115 transitions. [2021-10-13 00:12:00,211 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2021-10-13 00:12:00,211 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 00:12:00,212 INFO L512 BasicCegarLoop]: trace histogram [4, 4, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 00:12:00,245 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e85dc415-ba8f-4c5a-b332-17e3860a48df/bin/uautomizer-WNIpwEf4Nt/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Forceful destruction successful, exit code 0 [2021-10-13 00:12:00,433 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14,14 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e85dc415-ba8f-4c5a-b332-17e3860a48df/bin/uautomizer-WNIpwEf4Nt/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-13 00:12:00,434 INFO L402 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-13 00:12:00,434 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 00:12:00,434 INFO L82 PathProgramCache]: Analyzing trace with hash -1015472054, now seen corresponding path program 8 times [2021-10-13 00:12:00,434 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 00:12:00,434 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1608331634] [2021-10-13 00:12:00,435 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 00:12:00,435 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 00:12:00,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:12:00,552 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 4 proven. 21 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2021-10-13 00:12:00,553 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-13 00:12:00,553 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1608331634] [2021-10-13 00:12:00,553 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1608331634] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-13 00:12:00,553 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2042079231] [2021-10-13 00:12:00,553 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-10-13 00:12:00,554 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-13 00:12:00,554 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e85dc415-ba8f-4c5a-b332-17e3860a48df/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:12:00,555 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e85dc415-ba8f-4c5a-b332-17e3860a48df/bin/uautomizer-WNIpwEf4Nt/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-13 00:12:00,577 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e85dc415-ba8f-4c5a-b332-17e3860a48df/bin/uautomizer-WNIpwEf4Nt/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process [2021-10-13 00:12:01,039 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-10-13 00:12:01,039 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-10-13 00:12:01,040 INFO L263 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 10 conjunts are in the unsatisfiable core [2021-10-13 00:12:01,042 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 00:12:01,201 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 9 proven. 16 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2021-10-13 00:12:01,201 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2042079231] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-13 00:12:01,201 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-13 00:12:01,201 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11] total 16 [2021-10-13 00:12:01,201 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1029203156] [2021-10-13 00:12:01,201 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2021-10-13 00:12:01,201 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-13 00:12:01,202 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2021-10-13 00:12:01,202 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=68, Invalid=172, Unknown=0, NotChecked=0, Total=240 [2021-10-13 00:12:01,202 INFO L87 Difference]: Start difference. First operand 103 states and 115 transitions. Second operand has 16 states, 16 states have (on average 2.625) internal successors, (42), 16 states have internal predecessors, (42), 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) [2021-10-13 00:12:01,592 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 00:12:01,592 INFO L93 Difference]: Finished difference Result 157 states and 167 transitions. [2021-10-13 00:12:01,592 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-10-13 00:12:01,593 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 16 states have (on average 2.625) internal successors, (42), 16 states have internal predecessors, (42), 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 37 [2021-10-13 00:12:01,593 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 00:12:01,594 INFO L225 Difference]: With dead ends: 157 [2021-10-13 00:12:01,594 INFO L226 Difference]: Without dead ends: 122 [2021-10-13 00:12:01,594 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 55 GetRequests, 32 SyntacticMatches, 1 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 115 ImplicationChecksByTransitivity, 162.3ms TimeCoverageRelationStatistics Valid=141, Invalid=411, Unknown=0, NotChecked=0, Total=552 [2021-10-13 00:12:01,595 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 122 states. [2021-10-13 00:12:01,610 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 122 to 89. [2021-10-13 00:12:01,611 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 89 states, 88 states have (on average 1.0909090909090908) internal successors, (96), 88 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) [2021-10-13 00:12:01,611 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 89 states and 96 transitions. [2021-10-13 00:12:01,611 INFO L78 Accepts]: Start accepts. Automaton has 89 states and 96 transitions. Word has length 37 [2021-10-13 00:12:01,612 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 00:12:01,612 INFO L470 AbstractCegarLoop]: Abstraction has 89 states and 96 transitions. [2021-10-13 00:12:01,612 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 2.625) internal successors, (42), 16 states have internal predecessors, (42), 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) [2021-10-13 00:12:01,612 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 96 transitions. [2021-10-13 00:12:01,613 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2021-10-13 00:12:01,613 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 00:12:01,613 INFO L512 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 00:12:01,651 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e85dc415-ba8f-4c5a-b332-17e3860a48df/bin/uautomizer-WNIpwEf4Nt/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Forceful destruction successful, exit code 0 [2021-10-13 00:12:01,833 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 15 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e85dc415-ba8f-4c5a-b332-17e3860a48df/bin/uautomizer-WNIpwEf4Nt/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable15 [2021-10-13 00:12:01,834 INFO L402 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-13 00:12:01,834 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 00:12:01,834 INFO L82 PathProgramCache]: Analyzing trace with hash -590527364, now seen corresponding path program 2 times [2021-10-13 00:12:01,834 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 00:12:01,834 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [718544062] [2021-10-13 00:12:01,834 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 00:12:01,834 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 00:12:01,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:12:02,261 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 1 proven. 22 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2021-10-13 00:12:02,262 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-13 00:12:02,262 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [718544062] [2021-10-13 00:12:02,262 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [718544062] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-13 00:12:02,262 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1513338598] [2021-10-13 00:12:02,262 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-10-13 00:12:02,263 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-13 00:12:02,263 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e85dc415-ba8f-4c5a-b332-17e3860a48df/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:12:02,266 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e85dc415-ba8f-4c5a-b332-17e3860a48df/bin/uautomizer-WNIpwEf4Nt/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-13 00:12:02,267 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e85dc415-ba8f-4c5a-b332-17e3860a48df/bin/uautomizer-WNIpwEf4Nt/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Waiting until timeout for monitored process [2021-10-13 00:12:02,685 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-10-13 00:12:02,685 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-10-13 00:12:02,687 INFO L263 TraceCheckSpWp]: Trace formula consists of 138 conjuncts, 31 conjunts are in the unsatisfiable core [2021-10-13 00:12:02,688 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 00:12:02,701 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-10-13 00:12:02,746 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2021-10-13 00:12:02,834 INFO L354 Elim1Store]: treesize reduction 37, result has 22.9 percent of original size [2021-10-13 00:12:02,834 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 1 case distinctions, treesize of input 42 treesize of output 41 [2021-10-13 00:12:03,074 INFO L354 Elim1Store]: treesize reduction 48, result has 2.0 percent of original size [2021-10-13 00:12:03,076 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 63 treesize of output 64 [2021-10-13 00:12:03,209 INFO L354 Elim1Store]: treesize reduction 48, result has 2.0 percent of original size [2021-10-13 00:12:03,209 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 63 treesize of output 64 [2021-10-13 00:12:03,389 INFO L354 Elim1Store]: treesize reduction 210, result has 13.9 percent of original size [2021-10-13 00:12:03,390 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 9 case distinctions, treesize of input 67 treesize of output 68 [2021-10-13 00:12:03,657 INFO L354 Elim1Store]: treesize reduction 124, result has 15.6 percent of original size [2021-10-13 00:12:03,657 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 5 case distinctions, treesize of input 63 treesize of output 57 [2021-10-13 00:12:03,845 INFO L354 Elim1Store]: treesize reduction 132, result has 10.2 percent of original size [2021-10-13 00:12:03,846 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 5 case distinctions, treesize of input 63 treesize of output 49 [2021-10-13 00:12:03,987 INFO L354 Elim1Store]: treesize reduction 94, result has 30.4 percent of original size [2021-10-13 00:12:03,987 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 5 case distinctions, treesize of input 52 treesize of output 66 [2021-10-13 00:12:04,362 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-10-13 00:12:04,362 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1513338598] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-13 00:12:04,362 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-13 00:12:04,362 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 16] total 26 [2021-10-13 00:12:04,362 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [363821112] [2021-10-13 00:12:04,363 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 26 states [2021-10-13 00:12:04,363 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-13 00:12:04,363 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2021-10-13 00:12:04,364 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=90, Invalid=560, Unknown=0, NotChecked=0, Total=650 [2021-10-13 00:12:04,364 INFO L87 Difference]: Start difference. First operand 89 states and 96 transitions. Second operand has 26 states, 26 states have (on average 2.423076923076923) internal successors, (63), 26 states have internal predecessors, (63), 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) [2021-10-13 00:12:05,065 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 00:12:05,066 INFO L93 Difference]: Finished difference Result 95 states and 100 transitions. [2021-10-13 00:12:05,066 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-10-13 00:12:05,066 INFO L78 Accepts]: Start accepts. Automaton has has 26 states, 26 states have (on average 2.423076923076923) internal successors, (63), 26 states have internal predecessors, (63), 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 39 [2021-10-13 00:12:05,066 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 00:12:05,067 INFO L225 Difference]: With dead ends: 95 [2021-10-13 00:12:05,067 INFO L226 Difference]: Without dead ends: 93 [2021-10-13 00:12:05,068 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 69 GetRequests, 30 SyntacticMatches, 4 SemanticMatches, 35 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 428 ImplicationChecksByTransitivity, 819.5ms TimeCoverageRelationStatistics Valid=183, Invalid=1149, Unknown=0, NotChecked=0, Total=1332 [2021-10-13 00:12:05,068 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 93 states. [2021-10-13 00:12:05,088 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 93 to 89. [2021-10-13 00:12:05,089 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 89 states, 88 states have (on average 1.0795454545454546) internal successors, (95), 88 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) [2021-10-13 00:12:05,089 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 89 states and 95 transitions. [2021-10-13 00:12:05,090 INFO L78 Accepts]: Start accepts. Automaton has 89 states and 95 transitions. Word has length 39 [2021-10-13 00:12:05,090 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 00:12:05,090 INFO L470 AbstractCegarLoop]: Abstraction has 89 states and 95 transitions. [2021-10-13 00:12:05,090 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 26 states, 26 states have (on average 2.423076923076923) internal successors, (63), 26 states have internal predecessors, (63), 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) [2021-10-13 00:12:05,091 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 95 transitions. [2021-10-13 00:12:05,091 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2021-10-13 00:12:05,091 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 00:12:05,092 INFO L512 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 00:12:05,138 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e85dc415-ba8f-4c5a-b332-17e3860a48df/bin/uautomizer-WNIpwEf4Nt/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Forceful destruction successful, exit code 0 [2021-10-13 00:12:05,312 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e85dc415-ba8f-4c5a-b332-17e3860a48df/bin/uautomizer-WNIpwEf4Nt/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16 [2021-10-13 00:12:05,313 INFO L402 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-13 00:12:05,313 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 00:12:05,313 INFO L82 PathProgramCache]: Analyzing trace with hash -1487374188, now seen corresponding path program 9 times [2021-10-13 00:12:05,313 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 00:12:05,313 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [816902801] [2021-10-13 00:12:05,314 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 00:12:05,314 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 00:12:05,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:12:06,920 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 7 proven. 32 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2021-10-13 00:12:06,920 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-13 00:12:06,920 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [816902801] [2021-10-13 00:12:06,920 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [816902801] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-13 00:12:06,920 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [671750333] [2021-10-13 00:12:06,920 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2021-10-13 00:12:06,920 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-13 00:12:06,921 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e85dc415-ba8f-4c5a-b332-17e3860a48df/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:12:06,934 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e85dc415-ba8f-4c5a-b332-17e3860a48df/bin/uautomizer-WNIpwEf4Nt/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-13 00:12:06,935 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e85dc415-ba8f-4c5a-b332-17e3860a48df/bin/uautomizer-WNIpwEf4Nt/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Waiting until timeout for monitored process [2021-10-13 00:12:07,435 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 5 check-sat command(s) [2021-10-13 00:12:07,435 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-10-13 00:12:07,437 INFO L263 TraceCheckSpWp]: Trace formula consists of 139 conjuncts, 44 conjunts are in the unsatisfiable core [2021-10-13 00:12:07,439 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 00:12:07,455 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 [2021-10-13 00:12:07,461 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-10-13 00:12:07,476 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-13 00:12:07,478 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 23 treesize of output 22 [2021-10-13 00:12:07,572 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-13 00:12:07,572 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 30 [2021-10-13 00:12:07,645 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-13 00:12:07,660 INFO L354 Elim1Store]: treesize reduction 54, result has 23.9 percent of original size [2021-10-13 00:12:07,660 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 39 treesize of output 44 [2021-10-13 00:12:07,799 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-13 00:12:07,803 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-13 00:12:07,822 INFO L354 Elim1Store]: treesize reduction 82, result has 17.2 percent of original size [2021-10-13 00:12:07,823 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 51 treesize of output 59 [2021-10-13 00:12:08,201 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-13 00:12:08,202 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-13 00:12:08,202 INFO L173 IndexEqualityManager]: detected equality via solver [2021-10-13 00:12:08,207 INFO L354 Elim1Store]: treesize reduction 79, result has 1.3 percent of original size [2021-10-13 00:12:08,207 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 2 disjoint index pairs (out of 15 index pairs), introduced 5 new quantified variables, introduced 7 case distinctions, treesize of input 80 treesize of output 76 [2021-10-13 00:12:08,410 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-13 00:12:08,411 INFO L173 IndexEqualityManager]: detected equality via solver [2021-10-13 00:12:08,416 INFO L354 Elim1Store]: treesize reduction 75, result has 1.3 percent of original size [2021-10-13 00:12:08,416 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 2 disjoint index pairs (out of 15 index pairs), introduced 5 new quantified variables, introduced 7 case distinctions, treesize of input 84 treesize of output 74 [2021-10-13 00:12:08,630 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-13 00:12:08,632 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-13 00:12:08,632 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-13 00:12:08,638 INFO L354 Elim1Store]: treesize reduction 104, result has 1.0 percent of original size [2021-10-13 00:12:08,639 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 4 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 7 case distinctions, treesize of input 86 treesize of output 85 [2021-10-13 00:12:08,982 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-13 00:12:08,983 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-13 00:12:08,985 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-13 00:12:08,986 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-13 00:12:08,987 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-13 00:12:09,092 INFO L354 Elim1Store]: treesize reduction 390, result has 12.4 percent of original size [2021-10-13 00:12:09,092 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 7 select indices, 7 select index equivalence classes, 6 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 27 case distinctions, treesize of input 92 treesize of output 94 [2021-10-13 00:12:09,769 INFO L354 Elim1Store]: treesize reduction 174, result has 3.9 percent of original size [2021-10-13 00:12:09,769 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 7 select indices, 7 select index equivalence classes, 6 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 21 case distinctions, treesize of input 88 treesize of output 44 [2021-10-13 00:12:09,886 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 12 proven. 27 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2021-10-13 00:12:09,886 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [671750333] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-13 00:12:09,886 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-13 00:12:09,886 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [24, 23] total 43 [2021-10-13 00:12:09,886 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [358007042] [2021-10-13 00:12:09,887 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 43 states [2021-10-13 00:12:09,887 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-13 00:12:09,887 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 43 interpolants. [2021-10-13 00:12:09,888 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=163, Invalid=1643, Unknown=0, NotChecked=0, Total=1806 [2021-10-13 00:12:09,888 INFO L87 Difference]: Start difference. First operand 89 states and 95 transitions. Second operand has 43 states, 43 states have (on average 1.302325581395349) internal successors, (56), 43 states have internal predecessors, (56), 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) [2021-10-13 00:12:14,016 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 00:12:14,016 INFO L93 Difference]: Finished difference Result 148 states and 159 transitions. [2021-10-13 00:12:14,016 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2021-10-13 00:12:14,017 INFO L78 Accepts]: Start accepts. Automaton has has 43 states, 43 states have (on average 1.302325581395349) internal successors, (56), 43 states have internal predecessors, (56), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 42 [2021-10-13 00:12:14,017 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 00:12:14,018 INFO L225 Difference]: With dead ends: 148 [2021-10-13 00:12:14,018 INFO L226 Difference]: Without dead ends: 130 [2021-10-13 00:12:14,020 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 111 GetRequests, 29 SyntacticMatches, 1 SemanticMatches, 81 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1979 ImplicationChecksByTransitivity, 4693.9ms TimeCoverageRelationStatistics Valid=567, Invalid=6239, Unknown=0, NotChecked=0, Total=6806 [2021-10-13 00:12:14,021 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 130 states. [2021-10-13 00:12:14,039 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 130 to 94. [2021-10-13 00:12:14,039 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 94 states, 93 states have (on average 1.086021505376344) internal successors, (101), 93 states have internal predecessors, (101), 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) [2021-10-13 00:12:14,040 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 94 states and 101 transitions. [2021-10-13 00:12:14,040 INFO L78 Accepts]: Start accepts. Automaton has 94 states and 101 transitions. Word has length 42 [2021-10-13 00:12:14,040 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 00:12:14,040 INFO L470 AbstractCegarLoop]: Abstraction has 94 states and 101 transitions. [2021-10-13 00:12:14,041 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 43 states, 43 states have (on average 1.302325581395349) internal successors, (56), 43 states have internal predecessors, (56), 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) [2021-10-13 00:12:14,041 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 101 transitions. [2021-10-13 00:12:14,041 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2021-10-13 00:12:14,042 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 00:12:14,042 INFO L512 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 00:12:14,081 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e85dc415-ba8f-4c5a-b332-17e3860a48df/bin/uautomizer-WNIpwEf4Nt/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Forceful destruction successful, exit code 0 [2021-10-13 00:12:14,269 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 17 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e85dc415-ba8f-4c5a-b332-17e3860a48df/bin/uautomizer-WNIpwEf4Nt/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17 [2021-10-13 00:12:14,270 INFO L402 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-13 00:12:14,270 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 00:12:14,270 INFO L82 PathProgramCache]: Analyzing trace with hash 2085827890, now seen corresponding path program 3 times [2021-10-13 00:12:14,270 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 00:12:14,270 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1579354918] [2021-10-13 00:12:14,270 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 00:12:14,270 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 00:12:14,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:12:14,930 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 0 proven. 38 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 00:12:14,930 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-13 00:12:14,930 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1579354918] [2021-10-13 00:12:14,930 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1579354918] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-13 00:12:14,930 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1193401732] [2021-10-13 00:12:14,930 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2021-10-13 00:12:14,930 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-13 00:12:14,931 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e85dc415-ba8f-4c5a-b332-17e3860a48df/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:12:14,932 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e85dc415-ba8f-4c5a-b332-17e3860a48df/bin/uautomizer-WNIpwEf4Nt/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-13 00:12:14,953 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e85dc415-ba8f-4c5a-b332-17e3860a48df/bin/uautomizer-WNIpwEf4Nt/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Waiting until timeout for monitored process [2021-10-13 00:12:15,511 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) [2021-10-13 00:12:15,511 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-10-13 00:12:15,513 INFO L263 TraceCheckSpWp]: Trace formula consists of 149 conjuncts, 39 conjunts are in the unsatisfiable core [2021-10-13 00:12:15,515 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 00:12:15,538 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-10-13 00:12:15,603 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2021-10-13 00:12:16,112 INFO L354 Elim1Store]: treesize reduction 15, result has 6.3 percent of original size [2021-10-13 00:12:16,113 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 45 treesize of output 43 [2021-10-13 00:12:16,213 INFO L354 Elim1Store]: treesize reduction 15, result has 6.3 percent of original size [2021-10-13 00:12:16,214 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 45 treesize of output 43 [2021-10-13 00:12:16,307 INFO L354 Elim1Store]: treesize reduction 124, result has 15.6 percent of original size [2021-10-13 00:12:16,308 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 5 case distinctions, treesize of input 49 treesize of output 47 [2021-10-13 00:12:16,575 INFO L354 Elim1Store]: treesize reduction 34, result has 48.5 percent of original size [2021-10-13 00:12:16,576 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 48 treesize of output 59 [2021-10-13 00:12:16,940 INFO L354 Elim1Store]: treesize reduction 34, result has 48.5 percent of original size [2021-10-13 00:12:16,941 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 61 treesize of output 64 [2021-10-13 00:12:17,659 INFO L354 Elim1Store]: treesize reduction 34, result has 48.5 percent of original size [2021-10-13 00:12:17,659 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 61 treesize of output 64 [2021-10-13 00:12:19,392 INFO L354 Elim1Store]: treesize reduction 7, result has 30.0 percent of original size [2021-10-13 00:12:19,392 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 43 treesize of output 32 [2021-10-13 00:12:19,424 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 7 proven. 27 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-10-13 00:12:19,424 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1193401732] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-13 00:12:19,424 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-13 00:12:19,424 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 24] total 37 [2021-10-13 00:12:19,424 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1479082592] [2021-10-13 00:12:19,424 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 37 states [2021-10-13 00:12:19,425 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-13 00:12:19,425 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 37 interpolants. [2021-10-13 00:12:19,426 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=122, Invalid=1210, Unknown=0, NotChecked=0, Total=1332 [2021-10-13 00:12:19,426 INFO L87 Difference]: Start difference. First operand 94 states and 101 transitions. Second operand has 37 states, 37 states have (on average 2.135135135135135) internal successors, (79), 37 states have internal predecessors, (79), 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) [2021-10-13 00:12:22,676 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 00:12:22,677 INFO L93 Difference]: Finished difference Result 115 states and 121 transitions. [2021-10-13 00:12:22,677 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2021-10-13 00:12:22,678 INFO L78 Accepts]: Start accepts. Automaton has has 37 states, 37 states have (on average 2.135135135135135) internal successors, (79), 37 states have internal predecessors, (79), 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 43 [2021-10-13 00:12:22,678 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 00:12:22,679 INFO L225 Difference]: With dead ends: 115 [2021-10-13 00:12:22,679 INFO L226 Difference]: Without dead ends: 83 [2021-10-13 00:12:22,681 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 109 GetRequests, 26 SyntacticMatches, 7 SemanticMatches, 76 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1740 ImplicationChecksByTransitivity, 3118.4ms TimeCoverageRelationStatistics Valid=577, Invalid=5429, Unknown=0, NotChecked=0, Total=6006 [2021-10-13 00:12:22,682 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 83 states. [2021-10-13 00:12:22,696 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 83 to 64. [2021-10-13 00:12:22,696 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 64 states, 63 states have (on average 1.1111111111111112) internal successors, (70), 63 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 00:12:22,697 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 64 states and 70 transitions. [2021-10-13 00:12:22,697 INFO L78 Accepts]: Start accepts. Automaton has 64 states and 70 transitions. Word has length 43 [2021-10-13 00:12:22,697 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 00:12:22,698 INFO L470 AbstractCegarLoop]: Abstraction has 64 states and 70 transitions. [2021-10-13 00:12:22,698 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 37 states, 37 states have (on average 2.135135135135135) internal successors, (79), 37 states have internal predecessors, (79), 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) [2021-10-13 00:12:22,698 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 70 transitions. [2021-10-13 00:12:22,699 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2021-10-13 00:12:22,699 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 00:12:22,699 INFO L512 BasicCegarLoop]: trace histogram [5, 5, 4, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 00:12:22,747 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e85dc415-ba8f-4c5a-b332-17e3860a48df/bin/uautomizer-WNIpwEf4Nt/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Forceful destruction successful, exit code 0 [2021-10-13 00:12:22,923 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,18 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e85dc415-ba8f-4c5a-b332-17e3860a48df/bin/uautomizer-WNIpwEf4Nt/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-13 00:12:22,923 INFO L402 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-13 00:12:22,924 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 00:12:22,924 INFO L82 PathProgramCache]: Analyzing trace with hash -1201678254, now seen corresponding path program 10 times [2021-10-13 00:12:22,924 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 00:12:22,924 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1686213479] [2021-10-13 00:12:22,924 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 00:12:22,924 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 00:12:22,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:12:23,053 INFO L134 CoverageAnalysis]: Checked inductivity of 63 backedges. 18 proven. 23 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2021-10-13 00:12:23,053 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-13 00:12:23,054 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1686213479] [2021-10-13 00:12:23,054 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1686213479] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-13 00:12:23,054 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [746554792] [2021-10-13 00:12:23,054 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2021-10-13 00:12:23,054 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-13 00:12:23,054 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e85dc415-ba8f-4c5a-b332-17e3860a48df/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:12:23,055 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e85dc415-ba8f-4c5a-b332-17e3860a48df/bin/uautomizer-WNIpwEf4Nt/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-13 00:12:23,077 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e85dc415-ba8f-4c5a-b332-17e3860a48df/bin/uautomizer-WNIpwEf4Nt/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Waiting until timeout for monitored process [2021-10-13 00:12:23,880 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-10-13 00:12:23,880 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-10-13 00:12:23,881 INFO L263 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 12 conjunts are in the unsatisfiable core [2021-10-13 00:12:23,882 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 00:12:24,087 INFO L134 CoverageAnalysis]: Checked inductivity of 63 backedges. 25 proven. 16 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2021-10-13 00:12:24,087 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [746554792] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-13 00:12:24,087 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-13 00:12:24,087 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 13] total 19 [2021-10-13 00:12:24,088 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [825449665] [2021-10-13 00:12:24,088 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2021-10-13 00:12:24,088 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-13 00:12:24,089 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2021-10-13 00:12:24,089 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=89, Invalid=253, Unknown=0, NotChecked=0, Total=342 [2021-10-13 00:12:24,089 INFO L87 Difference]: Start difference. First operand 64 states and 70 transitions. Second operand has 19 states, 19 states have (on average 2.526315789473684) internal successors, (48), 19 states have internal predecessors, (48), 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) [2021-10-13 00:12:24,381 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 00:12:24,381 INFO L93 Difference]: Finished difference Result 197 states and 212 transitions. [2021-10-13 00:12:24,381 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-10-13 00:12:24,381 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 19 states have (on average 2.526315789473684) internal successors, (48), 19 states have internal predecessors, (48), 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 [2021-10-13 00:12:24,382 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 00:12:24,382 INFO L225 Difference]: With dead ends: 197 [2021-10-13 00:12:24,382 INFO L226 Difference]: Without dead ends: 157 [2021-10-13 00:12:24,383 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 61 GetRequests, 39 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 119 ImplicationChecksByTransitivity, 174.8ms TimeCoverageRelationStatistics Valid=144, Invalid=408, Unknown=0, NotChecked=0, Total=552 [2021-10-13 00:12:24,384 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 157 states. [2021-10-13 00:12:24,403 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 157 to 111. [2021-10-13 00:12:24,403 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 111 states, 110 states have (on average 1.1181818181818182) internal successors, (123), 110 states have internal predecessors, (123), 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) [2021-10-13 00:12:24,404 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111 states to 111 states and 123 transitions. [2021-10-13 00:12:24,404 INFO L78 Accepts]: Start accepts. Automaton has 111 states and 123 transitions. Word has length 44 [2021-10-13 00:12:24,404 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 00:12:24,404 INFO L470 AbstractCegarLoop]: Abstraction has 111 states and 123 transitions. [2021-10-13 00:12:24,404 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 19 states have (on average 2.526315789473684) internal successors, (48), 19 states have internal predecessors, (48), 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) [2021-10-13 00:12:24,404 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 123 transitions. [2021-10-13 00:12:24,404 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2021-10-13 00:12:24,404 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 00:12:24,405 INFO L512 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 00:12:24,428 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e85dc415-ba8f-4c5a-b332-17e3860a48df/bin/uautomizer-WNIpwEf4Nt/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Ended with exit code 0 [2021-10-13 00:12:24,605 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19,19 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e85dc415-ba8f-4c5a-b332-17e3860a48df/bin/uautomizer-WNIpwEf4Nt/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-13 00:12:24,605 INFO L402 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-13 00:12:24,606 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 00:12:24,606 INFO L82 PathProgramCache]: Analyzing trace with hash -1990575158, now seen corresponding path program 4 times [2021-10-13 00:12:24,606 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 00:12:24,606 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1244075571] [2021-10-13 00:12:24,606 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 00:12:24,606 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 00:12:24,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:12:25,760 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 4 proven. 52 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 00:12:25,761 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-13 00:12:25,761 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1244075571] [2021-10-13 00:12:25,761 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1244075571] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-13 00:12:25,761 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [369681267] [2021-10-13 00:12:25,761 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2021-10-13 00:12:25,761 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-13 00:12:25,762 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e85dc415-ba8f-4c5a-b332-17e3860a48df/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:12:25,762 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e85dc415-ba8f-4c5a-b332-17e3860a48df/bin/uautomizer-WNIpwEf4Nt/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-13 00:12:25,764 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e85dc415-ba8f-4c5a-b332-17e3860a48df/bin/uautomizer-WNIpwEf4Nt/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Waiting until timeout for monitored process [2021-10-13 00:12:26,420 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-10-13 00:12:26,420 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-10-13 00:12:26,422 INFO L263 TraceCheckSpWp]: Trace formula consists of 114 conjuncts, 39 conjunts are in the unsatisfiable core [2021-10-13 00:12:26,423 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 00:12:26,436 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-10-13 00:12:26,497 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2021-10-13 00:12:26,595 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-13 00:12:26,596 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 32 treesize of output 31 [2021-10-13 00:12:26,746 INFO L354 Elim1Store]: treesize reduction 107, result has 21.3 percent of original size [2021-10-13 00:12:26,747 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 59 treesize of output 62 [2021-10-13 00:12:27,828 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 1 proven. 15 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2021-10-13 00:12:27,829 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [369681267] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-13 00:12:27,829 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-13 00:12:27,829 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [26, 9] total 31 [2021-10-13 00:12:27,829 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1829412366] [2021-10-13 00:12:27,830 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 31 states [2021-10-13 00:12:27,830 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-13 00:12:27,830 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 31 interpolants. [2021-10-13 00:12:27,831 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=138, Invalid=791, Unknown=1, NotChecked=0, Total=930 [2021-10-13 00:12:27,831 INFO L87 Difference]: Start difference. First operand 111 states and 123 transitions. Second operand has 31 states, 31 states have (on average 2.225806451612903) internal successors, (69), 31 states have internal predecessors, (69), 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) [2021-10-13 00:12:33,250 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 00:12:33,251 INFO L93 Difference]: Finished difference Result 111 states and 123 transitions. [2021-10-13 00:12:33,251 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-10-13 00:12:33,252 INFO L78 Accepts]: Start accepts. Automaton has has 31 states, 31 states have (on average 2.225806451612903) internal successors, (69), 31 states have internal predecessors, (69), 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 46 [2021-10-13 00:12:33,252 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 00:12:33,252 INFO L225 Difference]: With dead ends: 111 [2021-10-13 00:12:33,253 INFO L226 Difference]: Without dead ends: 0 [2021-10-13 00:12:33,254 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 83 GetRequests, 46 SyntacticMatches, 5 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 341 ImplicationChecksByTransitivity, 5779.3ms TimeCoverageRelationStatistics Valid=176, Invalid=945, Unknown=1, NotChecked=0, Total=1122 [2021-10-13 00:12:33,254 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-10-13 00:12:33,254 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-10-13 00:12:33,254 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 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) [2021-10-13 00:12:33,255 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-10-13 00:12:33,255 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 46 [2021-10-13 00:12:33,255 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 00:12:33,255 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-13 00:12:33,255 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 31 states, 31 states have (on average 2.225806451612903) internal successors, (69), 31 states have internal predecessors, (69), 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) [2021-10-13 00:12:33,256 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-10-13 00:12:33,256 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-10-13 00:12:33,259 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION [2021-10-13 00:12:33,288 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e85dc415-ba8f-4c5a-b332-17e3860a48df/bin/uautomizer-WNIpwEf4Nt/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Forceful destruction successful, exit code 0 [2021-10-13 00:12:33,459 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 20 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e85dc415-ba8f-4c5a-b332-17e3860a48df/bin/uautomizer-WNIpwEf4Nt/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable20 [2021-10-13 00:12:33,462 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-10-13 00:12:33,465 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 00:12:34,109 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 00:12:34,146 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 00:12:34,183 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 00:12:34,235 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 00:12:41,393 INFO L857 garLoopResultBuilder]: For program point L15(line 15) no Hoare annotation was computed. [2021-10-13 00:12:41,393 INFO L857 garLoopResultBuilder]: For program point L15-1(line 15) no Hoare annotation was computed. [2021-10-13 00:12:41,394 INFO L857 garLoopResultBuilder]: For program point L44(lines 44 48) no Hoare annotation was computed. [2021-10-13 00:12:41,394 INFO L857 garLoopResultBuilder]: For program point L15-3(line 15) no Hoare annotation was computed. [2021-10-13 00:12:41,394 INFO L857 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2021-10-13 00:12:41,394 INFO L857 garLoopResultBuilder]: For program point L32-2(lines 32 35) no Hoare annotation was computed. [2021-10-13 00:12:41,394 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-10-13 00:12:41,395 INFO L853 garLoopResultBuilder]: At program point L32-3(lines 32 35) the Hoare annotation is: (let ((.cse0 (select |#memory_int| ULTIMATE.start_main_~a~0.base)) (.cse1 (* ULTIMATE.start_main_~i~0 4))) (let ((.cse8 (or (= ~N~0 1) (<= 2 ~N~0))) (.cse2 (= (select (select |#memory_int| |ULTIMATE.start_main_~#sum~0.base|) |ULTIMATE.start_main_~#sum~0.offset|) 0)) (.cse3 (= ULTIMATE.start_main_~a~0.offset 0)) (.cse4 (< (+ ULTIMATE.start_main_~a~0.base 1) |ULTIMATE.start_main_~#sum~0.base|)) (.cse5 (exists ((v_ULTIMATE.start_main_~i~0_85 Int)) (let ((.cse9 (select |#memory_int| ULTIMATE.start_main_~a~0.base)) (.cse10 (* v_ULTIMATE.start_main_~i~0_85 4))) (and (<= ULTIMATE.start_main_~i~0 (+ v_ULTIMATE.start_main_~i~0_85 1)) (= (select .cse9 (+ .cse10 ULTIMATE.start_main_~a~0.offset (- 4))) 1) (= (select .cse9 (+ .cse10 ULTIMATE.start_main_~a~0.offset)) 1) (< v_ULTIMATE.start_main_~i~0_85 ~N~0))))) (.cse6 (= (select (store .cse0 (+ ULTIMATE.start_main_~a~0.offset .cse1) 1) 0) 1)) (.cse7 (exists ((v_ULTIMATE.start_main_~i~0_76 Int)) (and (<= (+ (* 4 v_ULTIMATE.start_main_~i~0_76) ULTIMATE.start_main_~a~0.offset) 4) (<= (+ v_ULTIMATE.start_main_~i~0_76 1) ULTIMATE.start_main_~i~0) (= (select (select |#memory_int| ULTIMATE.start_main_~a~0.base) (+ (* v_ULTIMATE.start_main_~i~0_76 4) ULTIMATE.start_main_~a~0.offset)) 1) (<= 1 v_ULTIMATE.start_main_~i~0_76))))) (or (and (= (select .cse0 8) 1) (= (select .cse0 (+ ULTIMATE.start_main_~a~0.offset (- 4) .cse1)) 1) .cse2 .cse3 .cse4 .cse5 .cse6 .cse7) (and .cse2 (= ULTIMATE.start_main_~i~0 0) .cse3 .cse4 .cse8) (and .cse2 .cse3 (= ULTIMATE.start_main_~i~0 1) .cse4 .cse8 .cse6) (and .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 (exists ((v_ULTIMATE.start_main_~i~0_35 Int)) (and (<= ULTIMATE.start_main_~i~0 (+ v_ULTIMATE.start_main_~i~0_35 1)) (= 1 (select (select |#memory_int| ULTIMATE.start_main_~a~0.base) (+ ULTIMATE.start_main_~a~0.offset (* v_ULTIMATE.start_main_~i~0_35 4)))) (<= v_ULTIMATE.start_main_~i~0_35 1))))))) [2021-10-13 00:12:41,395 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-10-13 00:12:41,395 INFO L857 garLoopResultBuilder]: For program point L32-4(lines 32 35) no Hoare annotation was computed. [2021-10-13 00:12:41,395 INFO L857 garLoopResultBuilder]: For program point L24(line 24) no Hoare annotation was computed. [2021-10-13 00:12:41,396 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 15) no Hoare annotation was computed. [2021-10-13 00:12:41,396 INFO L857 garLoopResultBuilder]: For program point L12(lines 12 14) no Hoare annotation was computed. [2021-10-13 00:12:41,396 INFO L857 garLoopResultBuilder]: For program point L37-2(lines 37 40) no Hoare annotation was computed. [2021-10-13 00:12:41,396 INFO L853 garLoopResultBuilder]: At program point L37-3(lines 37 40) the Hoare annotation is: (let ((.cse11 (select |#memory_int| ULTIMATE.start_main_~a~0.base))) (let ((.cse21 (* ULTIMATE.start_main_~i~0 4)) (.cse20 (select (select |#memory_int| |ULTIMATE.start_main_~#sum~0.base|) |ULTIMATE.start_main_~#sum~0.offset|)) (.cse22 (select .cse11 ULTIMATE.start_main_~a~0.offset))) (let ((.cse6 (= (select .cse11 4) 1)) (.cse13 (= ULTIMATE.start_main_~i~0 1)) (.cse14 (= .cse20 .cse22)) (.cse5 (< 1 ~N~0)) (.cse16 (= (select (store .cse11 (+ ULTIMATE.start_main_~a~0.offset .cse21) 1) 0) 1)) (.cse10 (<= ULTIMATE.start_main_~i~0 2)) (.cse0 (= .cse20 0)) (.cse12 (exists ((v_ULTIMATE.start_main_~i~0_85 Int)) (let ((.cse23 (select |#memory_int| ULTIMATE.start_main_~a~0.base)) (.cse24 (* v_ULTIMATE.start_main_~i~0_85 4))) (and (= (select .cse23 (+ .cse24 ULTIMATE.start_main_~a~0.offset (- 4))) 1) (= (select .cse23 (+ .cse24 ULTIMATE.start_main_~a~0.offset)) 1) (<= ~N~0 (+ v_ULTIMATE.start_main_~i~0_85 1)) (< v_ULTIMATE.start_main_~i~0_85 ~N~0))))) (.cse1 (= ULTIMATE.start_main_~i~0 0)) (.cse2 (= ULTIMATE.start_main_~a~0.offset 0)) (.cse3 (< (+ ULTIMATE.start_main_~a~0.base 1) |ULTIMATE.start_main_~#sum~0.base|)) (.cse4 (= .cse22 1)) (.cse15 (= 3 ~N~0))) (or (and (<= 1 ~N~0) .cse0 .cse1 .cse2 (<= ~N~0 1) .cse3 .cse4) (and .cse0 .cse1 .cse2 .cse3 .cse5 (<= ~N~0 2) .cse4 .cse6) (and (exists ((ULTIMATE.start_main_~a~0.base Int) (v_ULTIMATE.start_main_~i~0_35 Int)) (let ((.cse7 (select |#memory_int| ULTIMATE.start_main_~a~0.base))) (let ((.cse9 (select (select |#memory_int| |ULTIMATE.start_main_~#sum~0.base|) |ULTIMATE.start_main_~#sum~0.offset|)) (.cse8 (select .cse7 4))) (and (not (= |ULTIMATE.start_main_~#sum~0.base| ULTIMATE.start_main_~a~0.base)) (= (select .cse7 (* v_ULTIMATE.start_main_~i~0_35 4)) 1) (<= ~N~0 (+ v_ULTIMATE.start_main_~i~0_35 1)) (= (+ .cse8 1) .cse9) (= .cse9 (+ .cse8 (select .cse7 0))) (<= v_ULTIMATE.start_main_~i~0_35 1))))) (<= 2 ULTIMATE.start_main_~i~0) .cse2 .cse10 (= (select .cse11 (+ ULTIMATE.start_main_~a~0.offset 4)) 1) .cse3 .cse5 .cse4) (and .cse12 .cse2 .cse13 .cse14 .cse3 .cse15 .cse16) (and (exists ((v_ULTIMATE.start_main_~i~0_61 Int)) (and (= (select (select |#memory_int| |ULTIMATE.start_main_~#sum~0.base|) |ULTIMATE.start_main_~#sum~0.offset|) (let ((.cse17 (select |#memory_int| ULTIMATE.start_main_~a~0.base)) (.cse18 (* v_ULTIMATE.start_main_~i~0_61 4))) (+ (select .cse17 (+ ULTIMATE.start_main_~a~0.offset .cse18)) 1 (select .cse17 (+ ULTIMATE.start_main_~a~0.offset (- 4) .cse18))))) (<= ULTIMATE.start_main_~i~0 (+ v_ULTIMATE.start_main_~i~0_61 1)) (< v_ULTIMATE.start_main_~i~0_61 ~N~0))) .cse2 (= ULTIMATE.start_main_~i~0 3) .cse3 (exists ((v_ULTIMATE.start_main_~i~0_90 Int)) (and (= (select (select |#memory_int| ULTIMATE.start_main_~a~0.base) (+ ULTIMATE.start_main_~a~0.offset (* v_ULTIMATE.start_main_~i~0_90 4))) 1) (<= ULTIMATE.start_main_~i~0 (+ v_ULTIMATE.start_main_~i~0_90 1)) (< v_ULTIMATE.start_main_~i~0_90 ~N~0))) .cse4 (<= ~N~0 3) .cse6) (and (<= ULTIMATE.start_main_~i~0 1) (not (= |ULTIMATE.start_main_~#sum~0.base| ULTIMATE.start_main_~a~0.base)) (<= 1 ULTIMATE.start_main_~i~0) (exists ((ULTIMATE.start_main_~a~0.base Int)) (let ((.cse19 (select (select |#memory_int| ULTIMATE.start_main_~a~0.base) 0))) (and (= (select (select |#memory_int| |ULTIMATE.start_main_~#sum~0.base|) |ULTIMATE.start_main_~#sum~0.offset|) .cse19) (= .cse19 1) (< (+ ULTIMATE.start_main_~a~0.base 1) |ULTIMATE.start_main_~#sum~0.base|)))) .cse2 (= (select .cse11 0) 1) (= .cse20 ~N~0)) (and .cse2 .cse13 .cse14 .cse3 .cse5 .cse16 (exists ((v_ULTIMATE.start_main_~i~0_35 Int)) (and (= 1 (select (select |#memory_int| ULTIMATE.start_main_~a~0.base) (+ ULTIMATE.start_main_~a~0.offset (* v_ULTIMATE.start_main_~i~0_35 4)))) (<= ~N~0 (+ v_ULTIMATE.start_main_~i~0_35 1)) (<= v_ULTIMATE.start_main_~i~0_35 1)))) (and .cse12 .cse2 (= .cse20 (+ (select .cse11 (+ ULTIMATE.start_main_~a~0.offset (- 4) .cse21)) 1)) .cse10 .cse3 .cse4 .cse15 (exists ((v_ULTIMATE.start_main_~i~0_76 Int)) (and (<= (+ (* 4 v_ULTIMATE.start_main_~i~0_76) ULTIMATE.start_main_~a~0.offset) 4) (<= (+ v_ULTIMATE.start_main_~i~0_76 1) ULTIMATE.start_main_~i~0) (= (select (select |#memory_int| ULTIMATE.start_main_~a~0.base) (+ (* v_ULTIMATE.start_main_~i~0_76 4) ULTIMATE.start_main_~a~0.offset)) 1) (<= 1 v_ULTIMATE.start_main_~i~0_76)))) (and .cse0 .cse12 .cse1 .cse2 .cse3 .cse4 .cse15))))) [2021-10-13 00:12:41,397 INFO L857 garLoopResultBuilder]: For program point L37-4(lines 37 40) no Hoare annotation was computed. [2021-10-13 00:12:41,397 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-10-13 00:12:41,397 INFO L857 garLoopResultBuilder]: For program point L13(line 13) no Hoare annotation was computed. [2021-10-13 00:12:41,397 INFO L857 garLoopResultBuilder]: For program point L42-2(lines 42 49) no Hoare annotation was computed. [2021-10-13 00:12:41,398 INFO L853 garLoopResultBuilder]: At program point L42-3(lines 42 49) the Hoare annotation is: (let ((.cse14 (select |#memory_int| ULTIMATE.start_main_~a~0.base)) (.cse32 (+ ULTIMATE.start_main_~a~0.offset (* ULTIMATE.start_main_~i~0 4)))) (let ((.cse31 (select .cse14 .cse32))) (let ((.cse26 (store .cse14 .cse32 (+ (- 1) .cse31))) (.cse20 (select .cse14 (+ ULTIMATE.start_main_~a~0.offset 4))) (.cse30 (select .cse14 ULTIMATE.start_main_~a~0.offset))) (let ((.cse13 (<= ~N~0 2)) (.cse9 (not (= |ULTIMATE.start_main_~#sum~0.base| ULTIMATE.start_main_~a~0.base))) (.cse15 (= .cse31 1)) (.cse10 (<= 1 ULTIMATE.start_main_~i~0)) (.cse11 (= .cse30 0)) (.cse7 (< 1 ~N~0)) (.cse18 (= ULTIMATE.start_main_~i~0 1)) (.cse5 (= .cse20 1)) (.cse19 (= (select .cse26 0) 0)) (.cse3 (= ULTIMATE.start_main_~i~0 0)) (.cse4 (= ULTIMATE.start_main_~a~0.offset 0)) (.cse6 (< (+ ULTIMATE.start_main_~a~0.base 1) |ULTIMATE.start_main_~#sum~0.base|)) (.cse8 (= .cse30 1)) (.cse27 (<= ~N~0 3)) (.cse17 (= (select (select |#memory_int| |ULTIMATE.start_main_~#sum~0.base|) |ULTIMATE.start_main_~#sum~0.offset|) ~N~0)) (.cse29 (< 2 ~N~0)) (.cse12 (select .cse14 4))) (or (and (exists ((ULTIMATE.start_main_~a~0.base Int) (v_ULTIMATE.start_main_~i~0_35 Int)) (let ((.cse0 (select |#memory_int| ULTIMATE.start_main_~a~0.base))) (let ((.cse2 (select (select |#memory_int| |ULTIMATE.start_main_~#sum~0.base|) |ULTIMATE.start_main_~#sum~0.offset|)) (.cse1 (select .cse0 4))) (and (not (= |ULTIMATE.start_main_~#sum~0.base| ULTIMATE.start_main_~a~0.base)) (= (select .cse0 (* v_ULTIMATE.start_main_~i~0_35 4)) 1) (<= ~N~0 (+ v_ULTIMATE.start_main_~i~0_35 1)) (= (+ .cse1 1) .cse2) (= .cse2 (+ .cse1 (select .cse0 0))) (<= v_ULTIMATE.start_main_~i~0_35 1))))) .cse3 .cse4 .cse5 .cse6 .cse7 .cse8) (and .cse9 (<= 2 ULTIMATE.start_main_~i~0) .cse10 .cse11 (= .cse12 0) .cse4 (<= ULTIMATE.start_main_~i~0 2) .cse7 .cse13) (and (<= ULTIMATE.start_main_~i~0 1) (= ~N~0 1) (= (select .cse14 0) 0) .cse10 .cse4) (and .cse9 .cse15 (exists ((ULTIMATE.start_main_~a~0.base Int)) (let ((.cse16 (select (select |#memory_int| ULTIMATE.start_main_~a~0.base) 0))) (and (= (select (select |#memory_int| |ULTIMATE.start_main_~#sum~0.base|) |ULTIMATE.start_main_~#sum~0.offset|) .cse16) (= .cse16 1) (< (+ ULTIMATE.start_main_~a~0.base 1) |ULTIMATE.start_main_~#sum~0.base|)))) .cse3 .cse4 .cse17) (and .cse4 .cse18 .cse5 .cse6 .cse7 .cse13 .cse17 .cse19) (and (= .cse20 0) .cse9 .cse4 (<= 3 ~N~0) (<= ULTIMATE.start_main_~i~0 3) (exists ((v_ULTIMATE.start_main_~i~0_95 Int)) (and (< v_ULTIMATE.start_main_~i~0_95 ~N~0) (<= ~N~0 (+ v_ULTIMATE.start_main_~i~0_95 1)) (let ((.cse21 (select (select |#memory_int| ULTIMATE.start_main_~a~0.base) (+ ULTIMATE.start_main_~a~0.offset (* v_ULTIMATE.start_main_~i~0_95 4))))) (or (and (<= v_ULTIMATE.start_main_~i~0_95 0) (= (+ .cse21 1) 0)) (= .cse21 0))))) (exists ((v_ULTIMATE.start_main_~i~0_90 Int)) (let ((.cse25 (+ v_ULTIMATE.start_main_~i~0_90 1))) (and (let ((.cse23 (select (select |#memory_int| ULTIMATE.start_main_~a~0.base) (+ ULTIMATE.start_main_~a~0.offset (* v_ULTIMATE.start_main_~i~0_90 4))))) (let ((.cse22 (<= .cse25 ULTIMATE.start_main_~i~0)) (.cse24 (= .cse23 0))) (or (and (or (and .cse22 (= (+ .cse23 1) 0)) .cse24) (<= v_ULTIMATE.start_main_~i~0_90 0)) (= .cse23 1) (and .cse22 .cse24)))) (<= ~N~0 .cse25) (< v_ULTIMATE.start_main_~i~0_90 ~N~0)))) .cse17 .cse19) (and .cse9 .cse15 .cse10 .cse11 (= 8 (+ (* 4 ULTIMATE.start_main_~i~0) ULTIMATE.start_main_~a~0.offset)) (= (select .cse26 4) 0) .cse4 .cse7 .cse27 .cse17) (and .cse4 .cse18 .cse5 .cse6 .cse27 .cse17 .cse19 (exists ((v_ULTIMATE.start_main_~i~0_90 Int)) (and (<= ~N~0 (+ v_ULTIMATE.start_main_~i~0_90 1)) (< v_ULTIMATE.start_main_~i~0_90 ~N~0) (let ((.cse28 (select (select |#memory_int| ULTIMATE.start_main_~a~0.base) (+ ULTIMATE.start_main_~a~0.offset (* v_ULTIMATE.start_main_~i~0_90 4))))) (or (= .cse28 1) (and (<= v_ULTIMATE.start_main_~i~0_90 0) (= .cse28 0)))))) .cse29) (and (exists ((v_ULTIMATE.start_main_~i~0_90 Int)) (and (= (select (select |#memory_int| ULTIMATE.start_main_~a~0.base) (+ ULTIMATE.start_main_~a~0.offset (* v_ULTIMATE.start_main_~i~0_90 4))) 1) (<= ~N~0 (+ v_ULTIMATE.start_main_~i~0_90 1)) (< v_ULTIMATE.start_main_~i~0_90 ~N~0))) .cse3 .cse4 .cse6 .cse8 .cse27 .cse17 .cse29 (= .cse12 1))))))) [2021-10-13 00:12:41,398 INFO L857 garLoopResultBuilder]: For program point L42-4(lines 42 49) no Hoare annotation was computed. [2021-10-13 00:12:41,398 INFO L860 garLoopResultBuilder]: At program point L55(lines 21 56) the Hoare annotation is: true [2021-10-13 00:12:41,398 INFO L857 garLoopResultBuilder]: For program point L51-2(lines 51 54) no Hoare annotation was computed. [2021-10-13 00:12:41,399 INFO L853 garLoopResultBuilder]: At program point L51-3(lines 51 54) the Hoare annotation is: (let ((.cse1 (select |#memory_int| ULTIMATE.start_main_~a~0.base)) (.cse16 (+ ULTIMATE.start_main_~a~0.offset (* ULTIMATE.start_main_~i~0 4)))) (let ((.cse2 (= ULTIMATE.start_main_~i~0 0)) (.cse13 (<= 1 ULTIMATE.start_main_~i~0)) (.cse17 (select .cse1 .cse16))) (let ((.cse18 (<= ULTIMATE.start_main_~i~0 2)) (.cse4 (<= ~N~0 2)) (.cse14 (<= ~N~0 1)) (.cse15 (or (= ~N~0 1) (<= 2 ~N~0))) (.cse8 (= .cse17 0)) (.cse6 (= (select .cse1 (+ ULTIMATE.start_main_~a~0.offset 4)) 0)) (.cse0 (not (= |ULTIMATE.start_main_~#sum~0.base| ULTIMATE.start_main_~a~0.base))) (.cse3 (= ULTIMATE.start_main_~a~0.offset 0)) (.cse7 (<= 3 ~N~0)) (.cse9 (exists ((v_ULTIMATE.start_main_~i~0_95 Int)) (and (< v_ULTIMATE.start_main_~i~0_95 ~N~0) (<= ~N~0 (+ v_ULTIMATE.start_main_~i~0_95 1)) (let ((.cse20 (select (select |#memory_int| ULTIMATE.start_main_~a~0.base) (+ ULTIMATE.start_main_~a~0.offset (* v_ULTIMATE.start_main_~i~0_95 4))))) (or (and (<= v_ULTIMATE.start_main_~i~0_95 0) (= (+ .cse20 1) 0)) (= .cse20 0)))))) (.cse10 (<= ~N~0 3)) (.cse5 (let ((.cse19 (< 1 ~N~0))) (or (and .cse2 .cse19) (and .cse13 .cse19)))) (.cse11 (= (select (select |#memory_int| |ULTIMATE.start_main_~#sum~0.base|) |ULTIMATE.start_main_~#sum~0.offset|) ~N~0)) (.cse12 (not (= 0 ULTIMATE.start___VERIFIER_assert_~cond)))) (or (and .cse0 (= (select .cse1 ULTIMATE.start_main_~a~0.offset) 0) (= (select .cse1 4) 0) .cse2 .cse3 .cse4 .cse5) (and .cse6 .cse0 .cse2 .cse3 .cse7 .cse8 .cse9 .cse10 .cse5 .cse11) (and (<= 4 ULTIMATE.start_main_~i~0) .cse0 (<= ULTIMATE.start_main_~i~0 4) (<= 4 ~N~0) (<= ~N~0 4) .cse3 .cse7 .cse5 .cse12) (and .cse0 (<= 3 ULTIMATE.start_main_~i~0) .cse7 (<= ULTIMATE.start_main_~i~0 3) .cse10 .cse5) (and (<= ULTIMATE.start_main_~i~0 1) .cse13 .cse14 .cse15) (and .cse0 (<= 1 ULTIMATE.start___VERIFIER_assert_~cond) (= (select (store .cse1 .cse16 (+ (- 1) .cse17)) 4) 0) .cse3 .cse18 .cse7 .cse8 .cse9 .cse10 .cse5 .cse11) (and .cse0 (<= (+ (* 4 ULTIMATE.start_main_~i~0) ULTIMATE.start_main_~a~0.offset) 4) .cse13 .cse3 .cse4 .cse8 .cse5 .cse12) (and .cse0 (<= 2 ULTIMATE.start_main_~i~0) .cse18 .cse4 .cse5) (and .cse2 .cse3 .cse14 .cse15 .cse8) (and .cse6 .cse0 .cse3 (= ULTIMATE.start_main_~i~0 1) .cse7 .cse9 .cse10 .cse5 .cse11 .cse12))))) [2021-10-13 00:12:41,399 INFO L857 garLoopResultBuilder]: For program point L51-4(lines 51 54) no Hoare annotation was computed. [2021-10-13 00:12:41,403 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-10-13 00:12:41,412 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_85,QUANTIFIED] [2021-10-13 00:12:41,413 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_85,QUANTIFIED] [2021-10-13 00:12:41,414 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_85,QUANTIFIED] [2021-10-13 00:12:41,414 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_85,QUANTIFIED] [2021-10-13 00:12:41,414 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_76,QUANTIFIED] [2021-10-13 00:12:41,415 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_76,QUANTIFIED] [2021-10-13 00:12:41,415 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_76,QUANTIFIED] [2021-10-13 00:12:41,415 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_76,QUANTIFIED] [2021-10-13 00:12:41,416 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_85,QUANTIFIED] [2021-10-13 00:12:41,416 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_85,QUANTIFIED] [2021-10-13 00:12:41,416 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_85,QUANTIFIED] [2021-10-13 00:12:41,417 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_85,QUANTIFIED] [2021-10-13 00:12:41,417 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_76,QUANTIFIED] [2021-10-13 00:12:41,417 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_76,QUANTIFIED] [2021-10-13 00:12:41,418 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_76,QUANTIFIED] [2021-10-13 00:12:41,418 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_76,QUANTIFIED] [2021-10-13 00:12:41,418 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_35,QUANTIFIED] [2021-10-13 00:12:41,418 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_35,QUANTIFIED] [2021-10-13 00:12:41,419 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_35,QUANTIFIED] [2021-10-13 00:12:41,433 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_85,QUANTIFIED] [2021-10-13 00:12:41,433 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_85,QUANTIFIED] [2021-10-13 00:12:41,434 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_85,QUANTIFIED] [2021-10-13 00:12:41,434 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_85,QUANTIFIED] [2021-10-13 00:12:41,434 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_76,QUANTIFIED] [2021-10-13 00:12:41,435 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_76,QUANTIFIED] [2021-10-13 00:12:41,435 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_76,QUANTIFIED] [2021-10-13 00:12:41,435 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_76,QUANTIFIED] [2021-10-13 00:12:41,436 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_85,QUANTIFIED] [2021-10-13 00:12:41,436 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_85,QUANTIFIED] [2021-10-13 00:12:41,436 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_85,QUANTIFIED] [2021-10-13 00:12:41,437 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_85,QUANTIFIED] [2021-10-13 00:12:41,437 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_76,QUANTIFIED] [2021-10-13 00:12:41,437 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_76,QUANTIFIED] [2021-10-13 00:12:41,438 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_76,QUANTIFIED] [2021-10-13 00:12:41,438 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_76,QUANTIFIED] [2021-10-13 00:12:41,438 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_35,QUANTIFIED] [2021-10-13 00:12:41,438 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_35,QUANTIFIED] [2021-10-13 00:12:41,439 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_35,QUANTIFIED] [2021-10-13 00:12:41,445 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_95,QUANTIFIED] [2021-10-13 00:12:41,445 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_95,QUANTIFIED] [2021-10-13 00:12:41,445 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_95,QUANTIFIED] [2021-10-13 00:12:41,446 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_95,QUANTIFIED] [2021-10-13 00:12:41,446 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_95,QUANTIFIED] [2021-10-13 00:12:41,447 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_95,QUANTIFIED] [2021-10-13 00:12:41,447 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_95,QUANTIFIED] [2021-10-13 00:12:41,447 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_95,QUANTIFIED] [2021-10-13 00:12:41,448 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_95,QUANTIFIED] [2021-10-13 00:12:41,448 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_95,QUANTIFIED] [2021-10-13 00:12:41,449 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_95,QUANTIFIED] [2021-10-13 00:12:41,449 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_95,QUANTIFIED] [2021-10-13 00:12:41,449 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_95,QUANTIFIED] [2021-10-13 00:12:41,449 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_95,QUANTIFIED] [2021-10-13 00:12:41,450 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_95,QUANTIFIED] [2021-10-13 00:12:41,455 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_95,QUANTIFIED] [2021-10-13 00:12:41,455 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_95,QUANTIFIED] [2021-10-13 00:12:41,455 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_95,QUANTIFIED] [2021-10-13 00:12:41,456 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_95,QUANTIFIED] [2021-10-13 00:12:41,456 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_95,QUANTIFIED] [2021-10-13 00:12:41,457 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_95,QUANTIFIED] [2021-10-13 00:12:41,457 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_95,QUANTIFIED] [2021-10-13 00:12:41,457 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_95,QUANTIFIED] [2021-10-13 00:12:41,458 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_95,QUANTIFIED] [2021-10-13 00:12:41,458 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_95,QUANTIFIED] [2021-10-13 00:12:41,459 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_95,QUANTIFIED] [2021-10-13 00:12:41,459 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_95,QUANTIFIED] [2021-10-13 00:12:41,459 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_95,QUANTIFIED] [2021-10-13 00:12:41,459 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_95,QUANTIFIED] [2021-10-13 00:12:41,460 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_95,QUANTIFIED] [2021-10-13 00:12:41,467 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~a~0.base,QUANTIFIED] [2021-10-13 00:12:41,468 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~a~0.base,QUANTIFIED] [2021-10-13 00:12:41,468 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_35,QUANTIFIED] [2021-10-13 00:12:41,468 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_35,QUANTIFIED] [2021-10-13 00:12:41,469 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~a~0.base,QUANTIFIED] [2021-10-13 00:12:41,469 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~a~0.base,QUANTIFIED] [2021-10-13 00:12:41,469 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~a~0.base,QUANTIFIED] [2021-10-13 00:12:41,470 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_35,QUANTIFIED] [2021-10-13 00:12:41,470 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_85,QUANTIFIED] [2021-10-13 00:12:41,470 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_85,QUANTIFIED] [2021-10-13 00:12:41,471 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_85,QUANTIFIED] [2021-10-13 00:12:41,471 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_85,QUANTIFIED] [2021-10-13 00:12:41,472 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_61,QUANTIFIED] [2021-10-13 00:12:41,472 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_61,QUANTIFIED] [2021-10-13 00:12:41,472 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_61,QUANTIFIED] [2021-10-13 00:12:41,473 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_61,QUANTIFIED] [2021-10-13 00:12:41,473 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_90,QUANTIFIED] [2021-10-13 00:12:41,473 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_90,QUANTIFIED] [2021-10-13 00:12:41,474 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_90,QUANTIFIED] [2021-10-13 00:12:41,474 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~a~0.base,QUANTIFIED] [2021-10-13 00:12:41,474 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~a~0.base,QUANTIFIED] [2021-10-13 00:12:41,474 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~a~0.base,QUANTIFIED] [2021-10-13 00:12:41,475 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_35,QUANTIFIED] [2021-10-13 00:12:41,475 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_35,QUANTIFIED] [2021-10-13 00:12:41,476 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_35,QUANTIFIED] [2021-10-13 00:12:41,476 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_85,QUANTIFIED] [2021-10-13 00:12:41,476 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_85,QUANTIFIED] [2021-10-13 00:12:41,506 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_85,QUANTIFIED] [2021-10-13 00:12:41,506 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_85,QUANTIFIED] [2021-10-13 00:12:41,506 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_76,QUANTIFIED] [2021-10-13 00:12:41,507 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_76,QUANTIFIED] [2021-10-13 00:12:41,507 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_76,QUANTIFIED] [2021-10-13 00:12:41,507 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_76,QUANTIFIED] [2021-10-13 00:12:41,507 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_85,QUANTIFIED] [2021-10-13 00:12:41,508 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_85,QUANTIFIED] [2021-10-13 00:12:41,508 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_85,QUANTIFIED] [2021-10-13 00:12:41,508 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_85,QUANTIFIED] [2021-10-13 00:12:41,513 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~a~0.base,QUANTIFIED] [2021-10-13 00:12:41,525 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~a~0.base,QUANTIFIED] [2021-10-13 00:12:41,526 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_35,QUANTIFIED] [2021-10-13 00:12:41,526 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_35,QUANTIFIED] [2021-10-13 00:12:41,526 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~a~0.base,QUANTIFIED] [2021-10-13 00:12:41,527 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~a~0.base,QUANTIFIED] [2021-10-13 00:12:41,527 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~a~0.base,QUANTIFIED] [2021-10-13 00:12:41,527 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_35,QUANTIFIED] [2021-10-13 00:12:41,528 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_85,QUANTIFIED] [2021-10-13 00:12:41,528 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_85,QUANTIFIED] [2021-10-13 00:12:41,528 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_85,QUANTIFIED] [2021-10-13 00:12:41,528 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_85,QUANTIFIED] [2021-10-13 00:12:41,529 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_61,QUANTIFIED] [2021-10-13 00:12:41,529 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_61,QUANTIFIED] [2021-10-13 00:12:41,529 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_61,QUANTIFIED] [2021-10-13 00:12:41,530 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_61,QUANTIFIED] [2021-10-13 00:12:41,530 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_90,QUANTIFIED] [2021-10-13 00:12:41,530 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_90,QUANTIFIED] [2021-10-13 00:12:41,530 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_90,QUANTIFIED] [2021-10-13 00:12:41,531 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~a~0.base,QUANTIFIED] [2021-10-13 00:12:41,531 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~a~0.base,QUANTIFIED] [2021-10-13 00:12:41,538 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~a~0.base,QUANTIFIED] [2021-10-13 00:12:41,539 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_35,QUANTIFIED] [2021-10-13 00:12:41,539 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_35,QUANTIFIED] [2021-10-13 00:12:41,539 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_35,QUANTIFIED] [2021-10-13 00:12:41,539 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_85,QUANTIFIED] [2021-10-13 00:12:41,540 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_85,QUANTIFIED] [2021-10-13 00:12:41,540 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_85,QUANTIFIED] [2021-10-13 00:12:41,540 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_85,QUANTIFIED] [2021-10-13 00:12:41,540 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_76,QUANTIFIED] [2021-10-13 00:12:41,541 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_76,QUANTIFIED] [2021-10-13 00:12:41,541 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_76,QUANTIFIED] [2021-10-13 00:12:41,541 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_76,QUANTIFIED] [2021-10-13 00:12:41,541 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_85,QUANTIFIED] [2021-10-13 00:12:41,541 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_85,QUANTIFIED] [2021-10-13 00:12:41,542 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_85,QUANTIFIED] [2021-10-13 00:12:41,542 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_85,QUANTIFIED] [2021-10-13 00:12:41,546 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~a~0.base,QUANTIFIED] [2021-10-13 00:12:41,550 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~a~0.base,QUANTIFIED] [2021-10-13 00:12:41,551 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_35,QUANTIFIED] [2021-10-13 00:12:41,551 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_35,QUANTIFIED] [2021-10-13 00:12:41,551 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~a~0.base,QUANTIFIED] [2021-10-13 00:12:41,552 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~a~0.base,QUANTIFIED] [2021-10-13 00:12:41,552 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~a~0.base,QUANTIFIED] [2021-10-13 00:12:41,552 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_35,QUANTIFIED] [2021-10-13 00:12:41,553 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~a~0.base,QUANTIFIED] [2021-10-13 00:12:41,553 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~a~0.base,QUANTIFIED] [2021-10-13 00:12:41,553 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~a~0.base,QUANTIFIED] [2021-10-13 00:12:41,558 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_95,QUANTIFIED] [2021-10-13 00:12:41,558 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_95,QUANTIFIED] [2021-10-13 00:12:41,558 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_95,QUANTIFIED] [2021-10-13 00:12:41,559 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_95,QUANTIFIED] [2021-10-13 00:12:41,559 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_95,QUANTIFIED] [2021-10-13 00:12:41,559 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_90,QUANTIFIED] [2021-10-13 00:12:41,559 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_90,QUANTIFIED] [2021-10-13 00:12:41,560 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_90,QUANTIFIED] [2021-10-13 00:12:41,560 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_90,QUANTIFIED] [2021-10-13 00:12:41,560 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_90,QUANTIFIED] [2021-10-13 00:12:41,560 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_90,QUANTIFIED] [2021-10-13 00:12:41,561 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_90,QUANTIFIED] [2021-10-13 00:12:41,561 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_90,QUANTIFIED] [2021-10-13 00:12:41,561 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_90,QUANTIFIED] [2021-10-13 00:12:41,562 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_90,QUANTIFIED] [2021-10-13 00:12:41,562 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_90,QUANTIFIED] [2021-10-13 00:12:41,562 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_90,QUANTIFIED] [2021-10-13 00:12:41,562 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_90,QUANTIFIED] [2021-10-13 00:12:41,563 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_90,QUANTIFIED] [2021-10-13 00:12:41,563 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_90,QUANTIFIED] [2021-10-13 00:12:41,566 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_90,QUANTIFIED] [2021-10-13 00:12:41,566 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_90,QUANTIFIED] [2021-10-13 00:12:41,570 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~a~0.base,QUANTIFIED] [2021-10-13 00:12:41,571 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~a~0.base,QUANTIFIED] [2021-10-13 00:12:41,572 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_35,QUANTIFIED] [2021-10-13 00:12:41,572 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_35,QUANTIFIED] [2021-10-13 00:12:41,572 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~a~0.base,QUANTIFIED] [2021-10-13 00:12:41,572 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~a~0.base,QUANTIFIED] [2021-10-13 00:12:41,573 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~a~0.base,QUANTIFIED] [2021-10-13 00:12:41,573 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_35,QUANTIFIED] [2021-10-13 00:12:41,574 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~a~0.base,QUANTIFIED] [2021-10-13 00:12:41,575 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~a~0.base,QUANTIFIED] [2021-10-13 00:12:41,576 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~a~0.base,QUANTIFIED] [2021-10-13 00:12:41,576 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_95,QUANTIFIED] [2021-10-13 00:12:41,577 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_95,QUANTIFIED] [2021-10-13 00:12:41,577 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_95,QUANTIFIED] [2021-10-13 00:12:41,578 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_95,QUANTIFIED] [2021-10-13 00:12:41,578 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_95,QUANTIFIED] [2021-10-13 00:12:41,578 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_90,QUANTIFIED] [2021-10-13 00:12:41,579 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_90,QUANTIFIED] [2021-10-13 00:12:41,579 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_90,QUANTIFIED] [2021-10-13 00:12:41,579 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_90,QUANTIFIED] [2021-10-13 00:12:41,580 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_90,QUANTIFIED] [2021-10-13 00:12:41,580 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_90,QUANTIFIED] [2021-10-13 00:12:41,580 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_90,QUANTIFIED] [2021-10-13 00:12:41,580 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_90,QUANTIFIED] [2021-10-13 00:12:41,581 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_90,QUANTIFIED] [2021-10-13 00:12:41,581 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_90,QUANTIFIED] [2021-10-13 00:12:41,581 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_90,QUANTIFIED] [2021-10-13 00:12:41,582 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_90,QUANTIFIED] [2021-10-13 00:12:41,582 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_90,QUANTIFIED] [2021-10-13 00:12:41,582 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_90,QUANTIFIED] [2021-10-13 00:12:41,582 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_90,QUANTIFIED] [2021-10-13 00:12:41,583 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_90,QUANTIFIED] [2021-10-13 00:12:41,583 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_90,QUANTIFIED] [2021-10-13 00:12:41,589 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.10 12:12:41 BoogieIcfgContainer [2021-10-13 00:12:41,589 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-13 00:12:41,590 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-13 00:12:41,590 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-13 00:12:41,590 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-13 00:12:41,591 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 12:10:09" (3/4) ... [2021-10-13 00:12:41,598 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-10-13 00:12:41,613 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2021-10-13 00:12:41,613 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2021-10-13 00:12:41,614 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-13 00:12:41,614 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-13 00:12:41,646 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((unknown-#memory_int-unknown[a][8] == 1 && unknown-#memory_int-unknown[a][a + -4 + i * 4] == 1) && unknown-#memory_int-unknown[sum][sum] == 0) && a == 0) && a + 1 < sum) && (\exists v_ULTIMATE.start_main_~i~0_85 : int :: ((i <= v_ULTIMATE.start_main_~i~0_85 + 1 && unknown-#memory_int-unknown[a][v_ULTIMATE.start_main_~i~0_85 * 4 + a + -4] == 1) && unknown-#memory_int-unknown[a][v_ULTIMATE.start_main_~i~0_85 * 4 + a] == 1) && v_ULTIMATE.start_main_~i~0_85 < N)) && unknown-#memory_int-unknown[a][a + i * 4 := 1][0] == 1) && (\exists v_ULTIMATE.start_main_~i~0_76 : int :: ((4 * v_ULTIMATE.start_main_~i~0_76 + a <= 4 && v_ULTIMATE.start_main_~i~0_76 + 1 <= i) && unknown-#memory_int-unknown[a][v_ULTIMATE.start_main_~i~0_76 * 4 + a] == 1) && 1 <= v_ULTIMATE.start_main_~i~0_76)) || ((((unknown-#memory_int-unknown[sum][sum] == 0 && i == 0) && a == 0) && a + 1 < sum) && (N == 1 || 2 <= N))) || (((((unknown-#memory_int-unknown[sum][sum] == 0 && a == 0) && i == 1) && a + 1 < sum) && (N == 1 || 2 <= N)) && unknown-#memory_int-unknown[a][a + i * 4 := 1][0] == 1)) || ((((((unknown-#memory_int-unknown[sum][sum] == 0 && a == 0) && a + 1 < sum) && (\exists v_ULTIMATE.start_main_~i~0_85 : int :: ((i <= v_ULTIMATE.start_main_~i~0_85 + 1 && unknown-#memory_int-unknown[a][v_ULTIMATE.start_main_~i~0_85 * 4 + a + -4] == 1) && unknown-#memory_int-unknown[a][v_ULTIMATE.start_main_~i~0_85 * 4 + a] == 1) && v_ULTIMATE.start_main_~i~0_85 < N)) && unknown-#memory_int-unknown[a][a + i * 4 := 1][0] == 1) && (\exists v_ULTIMATE.start_main_~i~0_76 : int :: ((4 * v_ULTIMATE.start_main_~i~0_76 + a <= 4 && v_ULTIMATE.start_main_~i~0_76 + 1 <= i) && unknown-#memory_int-unknown[a][v_ULTIMATE.start_main_~i~0_76 * 4 + a] == 1) && 1 <= v_ULTIMATE.start_main_~i~0_76)) && (\exists v_ULTIMATE.start_main_~i~0_35 : int :: (i <= v_ULTIMATE.start_main_~i~0_35 + 1 && 1 == unknown-#memory_int-unknown[a][a + v_ULTIMATE.start_main_~i~0_35 * 4]) && v_ULTIMATE.start_main_~i~0_35 <= 1)) [2021-10-13 00:12:41,646 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((((((1 <= N && unknown-#memory_int-unknown[sum][sum] == 0) && i == 0) && a == 0) && N <= 1) && a + 1 < sum) && unknown-#memory_int-unknown[a][a] == 1) || (((((((unknown-#memory_int-unknown[sum][sum] == 0 && i == 0) && a == 0) && a + 1 < sum) && 1 < N) && N <= 2) && unknown-#memory_int-unknown[a][a] == 1) && unknown-#memory_int-unknown[a][4] == 1)) || ((((((((\exists ULTIMATE.start_main_~a~0.base : int, v_ULTIMATE.start_main_~i~0_35 : int :: ((((!(sum == ULTIMATE.start_main_~a~0.base) && unknown-#memory_int-unknown[ULTIMATE.start_main_~a~0.base][v_ULTIMATE.start_main_~i~0_35 * 4] == 1) && N <= v_ULTIMATE.start_main_~i~0_35 + 1) && unknown-#memory_int-unknown[ULTIMATE.start_main_~a~0.base][4] + 1 == unknown-#memory_int-unknown[sum][sum]) && unknown-#memory_int-unknown[sum][sum] == unknown-#memory_int-unknown[ULTIMATE.start_main_~a~0.base][4] + unknown-#memory_int-unknown[ULTIMATE.start_main_~a~0.base][0]) && v_ULTIMATE.start_main_~i~0_35 <= 1) && 2 <= i) && a == 0) && i <= 2) && unknown-#memory_int-unknown[a][a + 4] == 1) && a + 1 < sum) && 1 < N) && unknown-#memory_int-unknown[a][a] == 1)) || (((((((\exists v_ULTIMATE.start_main_~i~0_85 : int :: ((unknown-#memory_int-unknown[a][v_ULTIMATE.start_main_~i~0_85 * 4 + a + -4] == 1 && unknown-#memory_int-unknown[a][v_ULTIMATE.start_main_~i~0_85 * 4 + a] == 1) && N <= v_ULTIMATE.start_main_~i~0_85 + 1) && v_ULTIMATE.start_main_~i~0_85 < N) && a == 0) && i == 1) && unknown-#memory_int-unknown[sum][sum] == unknown-#memory_int-unknown[a][a]) && a + 1 < sum) && 3 == N) && unknown-#memory_int-unknown[a][a + i * 4 := 1][0] == 1)) || ((((((((\exists v_ULTIMATE.start_main_~i~0_61 : int :: (unknown-#memory_int-unknown[sum][sum] == unknown-#memory_int-unknown[a][a + v_ULTIMATE.start_main_~i~0_61 * 4] + 1 + unknown-#memory_int-unknown[a][a + -4 + v_ULTIMATE.start_main_~i~0_61 * 4] && i <= v_ULTIMATE.start_main_~i~0_61 + 1) && v_ULTIMATE.start_main_~i~0_61 < N) && a == 0) && i == 3) && a + 1 < sum) && (\exists v_ULTIMATE.start_main_~i~0_90 : int :: (unknown-#memory_int-unknown[a][a + v_ULTIMATE.start_main_~i~0_90 * 4] == 1 && i <= v_ULTIMATE.start_main_~i~0_90 + 1) && v_ULTIMATE.start_main_~i~0_90 < N)) && unknown-#memory_int-unknown[a][a] == 1) && N <= 3) && unknown-#memory_int-unknown[a][4] == 1)) || ((((((i <= 1 && !(sum == a)) && 1 <= i) && (\exists ULTIMATE.start_main_~a~0.base : int :: (unknown-#memory_int-unknown[sum][sum] == unknown-#memory_int-unknown[ULTIMATE.start_main_~a~0.base][0] && unknown-#memory_int-unknown[ULTIMATE.start_main_~a~0.base][0] == 1) && ULTIMATE.start_main_~a~0.base + 1 < sum)) && a == 0) && unknown-#memory_int-unknown[a][0] == 1) && unknown-#memory_int-unknown[sum][sum] == N)) || ((((((a == 0 && i == 1) && unknown-#memory_int-unknown[sum][sum] == unknown-#memory_int-unknown[a][a]) && a + 1 < sum) && 1 < N) && unknown-#memory_int-unknown[a][a + i * 4 := 1][0] == 1) && (\exists v_ULTIMATE.start_main_~i~0_35 : int :: (1 == unknown-#memory_int-unknown[a][a + v_ULTIMATE.start_main_~i~0_35 * 4] && N <= v_ULTIMATE.start_main_~i~0_35 + 1) && v_ULTIMATE.start_main_~i~0_35 <= 1))) || ((((((((\exists v_ULTIMATE.start_main_~i~0_85 : int :: ((unknown-#memory_int-unknown[a][v_ULTIMATE.start_main_~i~0_85 * 4 + a + -4] == 1 && unknown-#memory_int-unknown[a][v_ULTIMATE.start_main_~i~0_85 * 4 + a] == 1) && N <= v_ULTIMATE.start_main_~i~0_85 + 1) && v_ULTIMATE.start_main_~i~0_85 < N) && a == 0) && unknown-#memory_int-unknown[sum][sum] == unknown-#memory_int-unknown[a][a + -4 + i * 4] + 1) && i <= 2) && a + 1 < sum) && unknown-#memory_int-unknown[a][a] == 1) && 3 == N) && (\exists v_ULTIMATE.start_main_~i~0_76 : int :: ((4 * v_ULTIMATE.start_main_~i~0_76 + a <= 4 && v_ULTIMATE.start_main_~i~0_76 + 1 <= i) && unknown-#memory_int-unknown[a][v_ULTIMATE.start_main_~i~0_76 * 4 + a] == 1) && 1 <= v_ULTIMATE.start_main_~i~0_76))) || ((((((unknown-#memory_int-unknown[sum][sum] == 0 && (\exists v_ULTIMATE.start_main_~i~0_85 : int :: ((unknown-#memory_int-unknown[a][v_ULTIMATE.start_main_~i~0_85 * 4 + a + -4] == 1 && unknown-#memory_int-unknown[a][v_ULTIMATE.start_main_~i~0_85 * 4 + a] == 1) && N <= v_ULTIMATE.start_main_~i~0_85 + 1) && v_ULTIMATE.start_main_~i~0_85 < N)) && i == 0) && a == 0) && a + 1 < sum) && unknown-#memory_int-unknown[a][a] == 1) && 3 == N) [2021-10-13 00:12:41,647 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((((((((\exists ULTIMATE.start_main_~a~0.base : int, v_ULTIMATE.start_main_~i~0_35 : int :: ((((!(sum == ULTIMATE.start_main_~a~0.base) && unknown-#memory_int-unknown[ULTIMATE.start_main_~a~0.base][v_ULTIMATE.start_main_~i~0_35 * 4] == 1) && N <= v_ULTIMATE.start_main_~i~0_35 + 1) && unknown-#memory_int-unknown[ULTIMATE.start_main_~a~0.base][4] + 1 == unknown-#memory_int-unknown[sum][sum]) && unknown-#memory_int-unknown[sum][sum] == unknown-#memory_int-unknown[ULTIMATE.start_main_~a~0.base][4] + unknown-#memory_int-unknown[ULTIMATE.start_main_~a~0.base][0]) && v_ULTIMATE.start_main_~i~0_35 <= 1) && i == 0) && a == 0) && unknown-#memory_int-unknown[a][a + 4] == 1) && a + 1 < sum) && 1 < N) && unknown-#memory_int-unknown[a][a] == 1) || ((((((((!(sum == a) && 2 <= i) && 1 <= i) && unknown-#memory_int-unknown[a][a] == 0) && unknown-#memory_int-unknown[a][4] == 0) && a == 0) && i <= 2) && 1 < N) && N <= 2)) || ((((i <= 1 && N == 1) && unknown-#memory_int-unknown[a][0] == 0) && 1 <= i) && a == 0)) || (((((!(sum == a) && unknown-#memory_int-unknown[a][a + i * 4] == 1) && (\exists ULTIMATE.start_main_~a~0.base : int :: (unknown-#memory_int-unknown[sum][sum] == unknown-#memory_int-unknown[ULTIMATE.start_main_~a~0.base][0] && unknown-#memory_int-unknown[ULTIMATE.start_main_~a~0.base][0] == 1) && ULTIMATE.start_main_~a~0.base + 1 < sum)) && i == 0) && a == 0) && unknown-#memory_int-unknown[sum][sum] == N)) || (((((((a == 0 && i == 1) && unknown-#memory_int-unknown[a][a + 4] == 1) && a + 1 < sum) && 1 < N) && N <= 2) && unknown-#memory_int-unknown[sum][sum] == N) && unknown-#memory_int-unknown[a][a + i * 4 := -1 + unknown-#memory_int-unknown[a][a + i * 4]][0] == 0)) || ((((((((unknown-#memory_int-unknown[a][a + 4] == 0 && !(sum == a)) && a == 0) && 3 <= N) && i <= 3) && (\exists v_ULTIMATE.start_main_~i~0_95 : int :: (v_ULTIMATE.start_main_~i~0_95 < N && N <= v_ULTIMATE.start_main_~i~0_95 + 1) && ((v_ULTIMATE.start_main_~i~0_95 <= 0 && unknown-#memory_int-unknown[a][a + v_ULTIMATE.start_main_~i~0_95 * 4] + 1 == 0) || unknown-#memory_int-unknown[a][a + v_ULTIMATE.start_main_~i~0_95 * 4] == 0))) && (\exists v_ULTIMATE.start_main_~i~0_90 : int :: ((((((v_ULTIMATE.start_main_~i~0_90 + 1 <= i && unknown-#memory_int-unknown[a][a + v_ULTIMATE.start_main_~i~0_90 * 4] + 1 == 0) || unknown-#memory_int-unknown[a][a + v_ULTIMATE.start_main_~i~0_90 * 4] == 0) && v_ULTIMATE.start_main_~i~0_90 <= 0) || unknown-#memory_int-unknown[a][a + v_ULTIMATE.start_main_~i~0_90 * 4] == 1) || (v_ULTIMATE.start_main_~i~0_90 + 1 <= i && unknown-#memory_int-unknown[a][a + v_ULTIMATE.start_main_~i~0_90 * 4] == 0)) && N <= v_ULTIMATE.start_main_~i~0_90 + 1) && v_ULTIMATE.start_main_~i~0_90 < N)) && unknown-#memory_int-unknown[sum][sum] == N) && unknown-#memory_int-unknown[a][a + i * 4 := -1 + unknown-#memory_int-unknown[a][a + i * 4]][0] == 0)) || (((((((((!(sum == a) && unknown-#memory_int-unknown[a][a + i * 4] == 1) && 1 <= i) && unknown-#memory_int-unknown[a][a] == 0) && 8 == 4 * i + a) && unknown-#memory_int-unknown[a][a + i * 4 := -1 + unknown-#memory_int-unknown[a][a + i * 4]][4] == 0) && a == 0) && 1 < N) && N <= 3) && unknown-#memory_int-unknown[sum][sum] == N)) || ((((((((a == 0 && i == 1) && unknown-#memory_int-unknown[a][a + 4] == 1) && a + 1 < sum) && N <= 3) && unknown-#memory_int-unknown[sum][sum] == N) && unknown-#memory_int-unknown[a][a + i * 4 := -1 + unknown-#memory_int-unknown[a][a + i * 4]][0] == 0) && (\exists v_ULTIMATE.start_main_~i~0_90 : int :: (N <= v_ULTIMATE.start_main_~i~0_90 + 1 && v_ULTIMATE.start_main_~i~0_90 < N) && (unknown-#memory_int-unknown[a][a + v_ULTIMATE.start_main_~i~0_90 * 4] == 1 || (v_ULTIMATE.start_main_~i~0_90 <= 0 && unknown-#memory_int-unknown[a][a + v_ULTIMATE.start_main_~i~0_90 * 4] == 0)))) && 2 < N)) || (((((((((\exists v_ULTIMATE.start_main_~i~0_90 : int :: (unknown-#memory_int-unknown[a][a + v_ULTIMATE.start_main_~i~0_90 * 4] == 1 && N <= v_ULTIMATE.start_main_~i~0_90 + 1) && v_ULTIMATE.start_main_~i~0_90 < N) && i == 0) && a == 0) && a + 1 < sum) && unknown-#memory_int-unknown[a][a] == 1) && N <= 3) && unknown-#memory_int-unknown[sum][sum] == N) && 2 < N) && unknown-#memory_int-unknown[a][4] == 1) [2021-10-13 00:12:41,647 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((((((((!(sum == a) && unknown-#memory_int-unknown[a][a] == 0) && unknown-#memory_int-unknown[a][4] == 0) && i == 0) && a == 0) && N <= 2) && ((i == 0 && 1 < N) || (1 <= i && 1 < N))) || (((((((((unknown-#memory_int-unknown[a][a + 4] == 0 && !(sum == a)) && i == 0) && a == 0) && 3 <= N) && unknown-#memory_int-unknown[a][a + i * 4] == 0) && (\exists v_ULTIMATE.start_main_~i~0_95 : int :: (v_ULTIMATE.start_main_~i~0_95 < N && N <= v_ULTIMATE.start_main_~i~0_95 + 1) && ((v_ULTIMATE.start_main_~i~0_95 <= 0 && unknown-#memory_int-unknown[a][a + v_ULTIMATE.start_main_~i~0_95 * 4] + 1 == 0) || unknown-#memory_int-unknown[a][a + v_ULTIMATE.start_main_~i~0_95 * 4] == 0))) && N <= 3) && ((i == 0 && 1 < N) || (1 <= i && 1 < N))) && unknown-#memory_int-unknown[sum][sum] == N)) || ((((((((4 <= i && !(sum == a)) && i <= 4) && 4 <= N) && N <= 4) && a == 0) && 3 <= N) && ((i == 0 && 1 < N) || (1 <= i && 1 < N))) && !(0 == cond))) || (((((!(sum == a) && 3 <= i) && 3 <= N) && i <= 3) && N <= 3) && ((i == 0 && 1 < N) || (1 <= i && 1 < N)))) || (((i <= 1 && 1 <= i) && N <= 1) && (N == 1 || 2 <= N))) || ((((((((((!(sum == a) && 1 <= cond) && unknown-#memory_int-unknown[a][a + i * 4 := -1 + unknown-#memory_int-unknown[a][a + i * 4]][4] == 0) && a == 0) && i <= 2) && 3 <= N) && unknown-#memory_int-unknown[a][a + i * 4] == 0) && (\exists v_ULTIMATE.start_main_~i~0_95 : int :: (v_ULTIMATE.start_main_~i~0_95 < N && N <= v_ULTIMATE.start_main_~i~0_95 + 1) && ((v_ULTIMATE.start_main_~i~0_95 <= 0 && unknown-#memory_int-unknown[a][a + v_ULTIMATE.start_main_~i~0_95 * 4] + 1 == 0) || unknown-#memory_int-unknown[a][a + v_ULTIMATE.start_main_~i~0_95 * 4] == 0))) && N <= 3) && ((i == 0 && 1 < N) || (1 <= i && 1 < N))) && unknown-#memory_int-unknown[sum][sum] == N)) || (((((((!(sum == a) && 4 * i + a <= 4) && 1 <= i) && a == 0) && N <= 2) && unknown-#memory_int-unknown[a][a + i * 4] == 0) && ((i == 0 && 1 < N) || (1 <= i && 1 < N))) && !(0 == cond))) || ((((!(sum == a) && 2 <= i) && i <= 2) && N <= 2) && ((i == 0 && 1 < N) || (1 <= i && 1 < N)))) || ((((i == 0 && a == 0) && N <= 1) && (N == 1 || 2 <= N)) && unknown-#memory_int-unknown[a][a + i * 4] == 0)) || (((((((((unknown-#memory_int-unknown[a][a + 4] == 0 && !(sum == a)) && a == 0) && i == 1) && 3 <= N) && (\exists v_ULTIMATE.start_main_~i~0_95 : int :: (v_ULTIMATE.start_main_~i~0_95 < N && N <= v_ULTIMATE.start_main_~i~0_95 + 1) && ((v_ULTIMATE.start_main_~i~0_95 <= 0 && unknown-#memory_int-unknown[a][a + v_ULTIMATE.start_main_~i~0_95 * 4] + 1 == 0) || unknown-#memory_int-unknown[a][a + v_ULTIMATE.start_main_~i~0_95 * 4] == 0))) && N <= 3) && ((i == 0 && 1 < N) || (1 <= i && 1 < N))) && unknown-#memory_int-unknown[sum][sum] == N) && !(0 == cond)) [2021-10-13 00:12:41,662 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e85dc415-ba8f-4c5a-b332-17e3860a48df/bin/uautomizer-WNIpwEf4Nt/witness.graphml [2021-10-13 00:12:41,662 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-13 00:12:41,663 INFO L168 Benchmark]: Toolchain (without parser) took 153145.47 ms. Allocated memory was 107.0 MB in the beginning and 226.5 MB in the end (delta: 119.5 MB). Free memory was 81.3 MB in the beginning and 143.9 MB in the end (delta: -62.5 MB). Peak memory consumption was 59.1 MB. Max. memory is 16.1 GB. [2021-10-13 00:12:41,663 INFO L168 Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 81.8 MB. Free memory was 49.0 MB in the beginning and 49.0 MB in the end (delta: 42.0 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-13 00:12:41,664 INFO L168 Benchmark]: CACSL2BoogieTranslator took 251.51 ms. Allocated memory is still 107.0 MB. Free memory was 81.2 MB in the beginning and 70.9 MB in the end (delta: 10.2 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-10-13 00:12:41,664 INFO L168 Benchmark]: Boogie Procedure Inliner took 41.02 ms. Allocated memory is still 107.0 MB. Free memory was 70.9 MB in the beginning and 69.4 MB in the end (delta: 1.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-13 00:12:41,669 INFO L168 Benchmark]: Boogie Preprocessor took 47.14 ms. Allocated memory is still 107.0 MB. Free memory was 69.4 MB in the beginning and 68.0 MB in the end (delta: 1.3 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-13 00:12:41,669 INFO L168 Benchmark]: RCFGBuilder took 366.22 ms. Allocated memory is still 107.0 MB. Free memory was 68.0 MB in the beginning and 57.0 MB in the end (delta: 11.0 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-10-13 00:12:41,670 INFO L168 Benchmark]: TraceAbstraction took 152357.61 ms. Allocated memory was 107.0 MB in the beginning and 226.5 MB in the end (delta: 119.5 MB). Free memory was 56.5 MB in the beginning and 147.0 MB in the end (delta: -90.5 MB). Peak memory consumption was 132.1 MB. Max. memory is 16.1 GB. [2021-10-13 00:12:41,670 INFO L168 Benchmark]: Witness Printer took 72.43 ms. Allocated memory is still 226.5 MB. Free memory was 147.0 MB in the beginning and 143.9 MB in the end (delta: 3.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-13 00:12:41,674 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19 ms. Allocated memory is still 81.8 MB. Free memory was 49.0 MB in the beginning and 49.0 MB in the end (delta: 42.0 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 251.51 ms. Allocated memory is still 107.0 MB. Free memory was 81.2 MB in the beginning and 70.9 MB in the end (delta: 10.2 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 41.02 ms. Allocated memory is still 107.0 MB. Free memory was 70.9 MB in the beginning and 69.4 MB in the end (delta: 1.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 47.14 ms. Allocated memory is still 107.0 MB. Free memory was 69.4 MB in the beginning and 68.0 MB in the end (delta: 1.3 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 366.22 ms. Allocated memory is still 107.0 MB. Free memory was 68.0 MB in the beginning and 57.0 MB in the end (delta: 11.0 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * TraceAbstraction took 152357.61 ms. Allocated memory was 107.0 MB in the beginning and 226.5 MB in the end (delta: 119.5 MB). Free memory was 56.5 MB in the beginning and 147.0 MB in the end (delta: -90.5 MB). Peak memory consumption was 132.1 MB. Max. memory is 16.1 GB. * Witness Printer took 72.43 ms. Allocated memory is still 226.5 MB. Free memory was 147.0 MB in the beginning and 143.9 MB in the end (delta: 3.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_85,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_85,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_85,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_85,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_76,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_76,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_76,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_76,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_85,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_85,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_85,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_85,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_76,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_76,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_76,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_76,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_35,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_35,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_35,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_85,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_85,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_85,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_85,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_76,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_76,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_76,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_76,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_85,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_85,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_85,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_85,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_76,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_76,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_76,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_76,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_35,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_35,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_35,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_95,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_95,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_95,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_95,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_95,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_95,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_95,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_95,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_95,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_95,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_95,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_95,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_95,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_95,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_95,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_95,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_95,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_95,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_95,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_95,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_95,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_95,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_95,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_95,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_95,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_95,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_95,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_95,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_95,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_95,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~a~0.base,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~a~0.base,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_35,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_35,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~a~0.base,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~a~0.base,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~a~0.base,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_35,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_85,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_85,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_85,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_85,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_61,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_61,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_61,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_61,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_90,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_90,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_90,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~a~0.base,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~a~0.base,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~a~0.base,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_35,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_35,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_35,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_85,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_85,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_85,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_85,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_76,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_76,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_76,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_76,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_85,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_85,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_85,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_85,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~a~0.base,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~a~0.base,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_35,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_35,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~a~0.base,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~a~0.base,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~a~0.base,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_35,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_85,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_85,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_85,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_85,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_61,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_61,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_61,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_61,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_90,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_90,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_90,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~a~0.base,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~a~0.base,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~a~0.base,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_35,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_35,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_35,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_85,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_85,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_85,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_85,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_76,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_76,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_76,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_76,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_85,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_85,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_85,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_85,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~a~0.base,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~a~0.base,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_35,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_35,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~a~0.base,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~a~0.base,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~a~0.base,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_35,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~a~0.base,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~a~0.base,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~a~0.base,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_95,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_95,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_95,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_95,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_95,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_90,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_90,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_90,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_90,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_90,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_90,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_90,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_90,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_90,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_90,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_90,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_90,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_90,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_90,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_90,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_90,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_90,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~a~0.base,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~a~0.base,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_35,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_35,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~a~0.base,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~a~0.base,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~a~0.base,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_35,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~a~0.base,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~a~0.base,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~a~0.base,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_95,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_95,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_95,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_95,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_95,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_90,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_90,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_90,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_90,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_90,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_90,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_90,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_90,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_90,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_90,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_90,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_90,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_90,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_90,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_90,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_90,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_90,QUANTIFIED] * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0ms ErrorAutomatonConstructionTimeTotal, 0.0ms FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0ms ErrorAutomatonConstructionTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 15]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 25 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 152106.3ms, OverallIterations: 21, TraceHistogramMax: 5, EmptinessCheckTime: 34.6ms, AutomataDifference: 65861.1ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 7933.0ms, InitialAbstractionConstructionTime: 12.0ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 377 SDtfs, 1503 SDslu, 2011 SDs, 0 SdLazy, 6999 SolverSat, 1056 SolverUnsat, 21 SolverUnknown, 0 SolverNotchecked, 24976.3ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 1139 GetRequests, 527 SyntacticMatches, 44 SemanticMatches, 568 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7253 ImplicationChecksByTransitivity, 81646.5ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=111occurred in iteration=20, InterpolantAutomatonStates: 370, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: 284.5ms AutomataMinimizationTime, 21 MinimizatonAttempts, 451 StatesRemovedByMinimization, 19 NontrivialMinimizations, HoareAnnotationStatistics: 0.0ms HoareAnnotationTime, 5 LocationsWithAnnotation, 5 PreInvPairs, 40 NumberOfFragments, 2083 HoareAnnotationTreeSize, 5 FomulaSimplifications, 16760803909 FormulaSimplificationTreeSizeReduction, 772.2ms HoareSimplificationTime, 5 FomulaSimplificationsInter, 1460552178 FormulaSimplificationTreeSizeReductionInter, 7149.4ms HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 257.4ms SsaConstructionTime, 1128.2ms SatisfiabilityAnalysisTime, 66504.7ms InterpolantComputationTime, 1290 NumberOfCodeBlocks, 1281 NumberOfCodeBlocksAsserted, 62 NumberOfCheckSat, 1250 ConstructedInterpolants, 137 QuantifiedInterpolants, 17724 SizeOfPredicates, 144 NumberOfNonLiveVariables, 2196 ConjunctsInSsa, 426 ConjunctsInUnsatCore, 40 InterpolantComputations, 2 PerfectInterpolantSequences, 432/988 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 32]: Loop Invariant [2021-10-13 00:12:41,721 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_85,QUANTIFIED] [2021-10-13 00:12:41,721 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_85,QUANTIFIED] [2021-10-13 00:12:41,721 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_85,QUANTIFIED] [2021-10-13 00:12:41,721 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_85,QUANTIFIED] [2021-10-13 00:12:41,722 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_76,QUANTIFIED] [2021-10-13 00:12:41,722 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_76,QUANTIFIED] [2021-10-13 00:12:41,722 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_76,QUANTIFIED] [2021-10-13 00:12:41,722 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_76,QUANTIFIED] [2021-10-13 00:12:41,723 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_85,QUANTIFIED] [2021-10-13 00:12:41,723 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_85,QUANTIFIED] [2021-10-13 00:12:41,723 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_85,QUANTIFIED] [2021-10-13 00:12:41,724 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_85,QUANTIFIED] [2021-10-13 00:12:41,724 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_76,QUANTIFIED] [2021-10-13 00:12:41,724 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_76,QUANTIFIED] [2021-10-13 00:12:41,724 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_76,QUANTIFIED] [2021-10-13 00:12:41,725 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_76,QUANTIFIED] [2021-10-13 00:12:41,725 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_35,QUANTIFIED] [2021-10-13 00:12:41,725 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_35,QUANTIFIED] [2021-10-13 00:12:41,725 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_35,QUANTIFIED] [2021-10-13 00:12:41,727 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_85,QUANTIFIED] [2021-10-13 00:12:41,727 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_85,QUANTIFIED] [2021-10-13 00:12:41,727 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_85,QUANTIFIED] [2021-10-13 00:12:41,727 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_85,QUANTIFIED] [2021-10-13 00:12:41,728 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_76,QUANTIFIED] [2021-10-13 00:12:41,728 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_76,QUANTIFIED] [2021-10-13 00:12:41,728 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_76,QUANTIFIED] [2021-10-13 00:12:41,729 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_76,QUANTIFIED] [2021-10-13 00:12:41,729 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_85,QUANTIFIED] [2021-10-13 00:12:41,729 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_85,QUANTIFIED] [2021-10-13 00:12:41,729 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_85,QUANTIFIED] [2021-10-13 00:12:41,730 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_85,QUANTIFIED] [2021-10-13 00:12:41,730 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_76,QUANTIFIED] [2021-10-13 00:12:41,730 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_76,QUANTIFIED] [2021-10-13 00:12:41,730 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_76,QUANTIFIED] [2021-10-13 00:12:41,730 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_76,QUANTIFIED] [2021-10-13 00:12:41,731 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_35,QUANTIFIED] [2021-10-13 00:12:41,731 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_35,QUANTIFIED] [2021-10-13 00:12:41,731 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_35,QUANTIFIED] Derived loop invariant: (((((((((unknown-#memory_int-unknown[a][8] == 1 && unknown-#memory_int-unknown[a][a + -4 + i * 4] == 1) && unknown-#memory_int-unknown[sum][sum] == 0) && a == 0) && a + 1 < sum) && (\exists v_ULTIMATE.start_main_~i~0_85 : int :: ((i <= v_ULTIMATE.start_main_~i~0_85 + 1 && unknown-#memory_int-unknown[a][v_ULTIMATE.start_main_~i~0_85 * 4 + a + -4] == 1) && unknown-#memory_int-unknown[a][v_ULTIMATE.start_main_~i~0_85 * 4 + a] == 1) && v_ULTIMATE.start_main_~i~0_85 < N)) && unknown-#memory_int-unknown[a][a + i * 4 := 1][0] == 1) && (\exists v_ULTIMATE.start_main_~i~0_76 : int :: ((4 * v_ULTIMATE.start_main_~i~0_76 + a <= 4 && v_ULTIMATE.start_main_~i~0_76 + 1 <= i) && unknown-#memory_int-unknown[a][v_ULTIMATE.start_main_~i~0_76 * 4 + a] == 1) && 1 <= v_ULTIMATE.start_main_~i~0_76)) || ((((unknown-#memory_int-unknown[sum][sum] == 0 && i == 0) && a == 0) && a + 1 < sum) && (N == 1 || 2 <= N))) || (((((unknown-#memory_int-unknown[sum][sum] == 0 && a == 0) && i == 1) && a + 1 < sum) && (N == 1 || 2 <= N)) && unknown-#memory_int-unknown[a][a + i * 4 := 1][0] == 1)) || ((((((unknown-#memory_int-unknown[sum][sum] == 0 && a == 0) && a + 1 < sum) && (\exists v_ULTIMATE.start_main_~i~0_85 : int :: ((i <= v_ULTIMATE.start_main_~i~0_85 + 1 && unknown-#memory_int-unknown[a][v_ULTIMATE.start_main_~i~0_85 * 4 + a + -4] == 1) && unknown-#memory_int-unknown[a][v_ULTIMATE.start_main_~i~0_85 * 4 + a] == 1) && v_ULTIMATE.start_main_~i~0_85 < N)) && unknown-#memory_int-unknown[a][a + i * 4 := 1][0] == 1) && (\exists v_ULTIMATE.start_main_~i~0_76 : int :: ((4 * v_ULTIMATE.start_main_~i~0_76 + a <= 4 && v_ULTIMATE.start_main_~i~0_76 + 1 <= i) && unknown-#memory_int-unknown[a][v_ULTIMATE.start_main_~i~0_76 * 4 + a] == 1) && 1 <= v_ULTIMATE.start_main_~i~0_76)) && (\exists v_ULTIMATE.start_main_~i~0_35 : int :: (i <= v_ULTIMATE.start_main_~i~0_35 + 1 && 1 == unknown-#memory_int-unknown[a][a + v_ULTIMATE.start_main_~i~0_35 * 4]) && v_ULTIMATE.start_main_~i~0_35 <= 1)) - InvariantResult [Line: 51]: Loop Invariant [2021-10-13 00:12:41,734 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_95,QUANTIFIED] [2021-10-13 00:12:41,734 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_95,QUANTIFIED] [2021-10-13 00:12:41,735 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_95,QUANTIFIED] [2021-10-13 00:12:41,735 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_95,QUANTIFIED] [2021-10-13 00:12:41,735 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_95,QUANTIFIED] [2021-10-13 00:12:41,736 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_95,QUANTIFIED] [2021-10-13 00:12:41,736 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_95,QUANTIFIED] [2021-10-13 00:12:41,736 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_95,QUANTIFIED] [2021-10-13 00:12:41,737 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_95,QUANTIFIED] [2021-10-13 00:12:41,738 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_95,QUANTIFIED] [2021-10-13 00:12:41,738 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_95,QUANTIFIED] [2021-10-13 00:12:41,738 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_95,QUANTIFIED] [2021-10-13 00:12:41,739 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_95,QUANTIFIED] [2021-10-13 00:12:41,739 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_95,QUANTIFIED] [2021-10-13 00:12:41,739 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_95,QUANTIFIED] [2021-10-13 00:12:41,741 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_95,QUANTIFIED] [2021-10-13 00:12:41,741 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_95,QUANTIFIED] [2021-10-13 00:12:41,741 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_95,QUANTIFIED] [2021-10-13 00:12:41,742 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_95,QUANTIFIED] [2021-10-13 00:12:41,742 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_95,QUANTIFIED] [2021-10-13 00:12:41,742 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_95,QUANTIFIED] [2021-10-13 00:12:41,742 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_95,QUANTIFIED] [2021-10-13 00:12:41,743 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_95,QUANTIFIED] [2021-10-13 00:12:41,743 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_95,QUANTIFIED] [2021-10-13 00:12:41,743 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_95,QUANTIFIED] [2021-10-13 00:12:41,743 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_95,QUANTIFIED] [2021-10-13 00:12:41,744 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_95,QUANTIFIED] [2021-10-13 00:12:41,744 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_95,QUANTIFIED] [2021-10-13 00:12:41,745 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_95,QUANTIFIED] [2021-10-13 00:12:41,745 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_95,QUANTIFIED] Derived loop invariant: ((((((((((((((!(sum == a) && unknown-#memory_int-unknown[a][a] == 0) && unknown-#memory_int-unknown[a][4] == 0) && i == 0) && a == 0) && N <= 2) && ((i == 0 && 1 < N) || (1 <= i && 1 < N))) || (((((((((unknown-#memory_int-unknown[a][a + 4] == 0 && !(sum == a)) && i == 0) && a == 0) && 3 <= N) && unknown-#memory_int-unknown[a][a + i * 4] == 0) && (\exists v_ULTIMATE.start_main_~i~0_95 : int :: (v_ULTIMATE.start_main_~i~0_95 < N && N <= v_ULTIMATE.start_main_~i~0_95 + 1) && ((v_ULTIMATE.start_main_~i~0_95 <= 0 && unknown-#memory_int-unknown[a][a + v_ULTIMATE.start_main_~i~0_95 * 4] + 1 == 0) || unknown-#memory_int-unknown[a][a + v_ULTIMATE.start_main_~i~0_95 * 4] == 0))) && N <= 3) && ((i == 0 && 1 < N) || (1 <= i && 1 < N))) && unknown-#memory_int-unknown[sum][sum] == N)) || ((((((((4 <= i && !(sum == a)) && i <= 4) && 4 <= N) && N <= 4) && a == 0) && 3 <= N) && ((i == 0 && 1 < N) || (1 <= i && 1 < N))) && !(0 == cond))) || (((((!(sum == a) && 3 <= i) && 3 <= N) && i <= 3) && N <= 3) && ((i == 0 && 1 < N) || (1 <= i && 1 < N)))) || (((i <= 1 && 1 <= i) && N <= 1) && (N == 1 || 2 <= N))) || ((((((((((!(sum == a) && 1 <= cond) && unknown-#memory_int-unknown[a][a + i * 4 := -1 + unknown-#memory_int-unknown[a][a + i * 4]][4] == 0) && a == 0) && i <= 2) && 3 <= N) && unknown-#memory_int-unknown[a][a + i * 4] == 0) && (\exists v_ULTIMATE.start_main_~i~0_95 : int :: (v_ULTIMATE.start_main_~i~0_95 < N && N <= v_ULTIMATE.start_main_~i~0_95 + 1) && ((v_ULTIMATE.start_main_~i~0_95 <= 0 && unknown-#memory_int-unknown[a][a + v_ULTIMATE.start_main_~i~0_95 * 4] + 1 == 0) || unknown-#memory_int-unknown[a][a + v_ULTIMATE.start_main_~i~0_95 * 4] == 0))) && N <= 3) && ((i == 0 && 1 < N) || (1 <= i && 1 < N))) && unknown-#memory_int-unknown[sum][sum] == N)) || (((((((!(sum == a) && 4 * i + a <= 4) && 1 <= i) && a == 0) && N <= 2) && unknown-#memory_int-unknown[a][a + i * 4] == 0) && ((i == 0 && 1 < N) || (1 <= i && 1 < N))) && !(0 == cond))) || ((((!(sum == a) && 2 <= i) && i <= 2) && N <= 2) && ((i == 0 && 1 < N) || (1 <= i && 1 < N)))) || ((((i == 0 && a == 0) && N <= 1) && (N == 1 || 2 <= N)) && unknown-#memory_int-unknown[a][a + i * 4] == 0)) || (((((((((unknown-#memory_int-unknown[a][a + 4] == 0 && !(sum == a)) && a == 0) && i == 1) && 3 <= N) && (\exists v_ULTIMATE.start_main_~i~0_95 : int :: (v_ULTIMATE.start_main_~i~0_95 < N && N <= v_ULTIMATE.start_main_~i~0_95 + 1) && ((v_ULTIMATE.start_main_~i~0_95 <= 0 && unknown-#memory_int-unknown[a][a + v_ULTIMATE.start_main_~i~0_95 * 4] + 1 == 0) || unknown-#memory_int-unknown[a][a + v_ULTIMATE.start_main_~i~0_95 * 4] == 0))) && N <= 3) && ((i == 0 && 1 < N) || (1 <= i && 1 < N))) && unknown-#memory_int-unknown[sum][sum] == N) && !(0 == cond)) - InvariantResult [Line: 37]: Loop Invariant [2021-10-13 00:12:41,748 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~a~0.base,QUANTIFIED] [2021-10-13 00:12:41,748 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~a~0.base,QUANTIFIED] [2021-10-13 00:12:41,748 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_35,QUANTIFIED] [2021-10-13 00:12:41,748 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_35,QUANTIFIED] [2021-10-13 00:12:41,749 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~a~0.base,QUANTIFIED] [2021-10-13 00:12:41,749 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~a~0.base,QUANTIFIED] [2021-10-13 00:12:41,749 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~a~0.base,QUANTIFIED] [2021-10-13 00:12:41,749 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_35,QUANTIFIED] [2021-10-13 00:12:41,750 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_85,QUANTIFIED] [2021-10-13 00:12:41,750 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_85,QUANTIFIED] [2021-10-13 00:12:41,750 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_85,QUANTIFIED] [2021-10-13 00:12:41,750 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_85,QUANTIFIED] [2021-10-13 00:12:41,751 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_61,QUANTIFIED] [2021-10-13 00:12:41,751 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_61,QUANTIFIED] [2021-10-13 00:12:41,751 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_61,QUANTIFIED] [2021-10-13 00:12:41,751 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_61,QUANTIFIED] [2021-10-13 00:12:41,752 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_90,QUANTIFIED] [2021-10-13 00:12:41,752 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_90,QUANTIFIED] [2021-10-13 00:12:41,752 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_90,QUANTIFIED] [2021-10-13 00:12:41,752 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~a~0.base,QUANTIFIED] [2021-10-13 00:12:41,753 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~a~0.base,QUANTIFIED] [2021-10-13 00:12:41,753 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~a~0.base,QUANTIFIED] [2021-10-13 00:12:41,753 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_35,QUANTIFIED] [2021-10-13 00:12:41,753 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_35,QUANTIFIED] [2021-10-13 00:12:41,753 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_35,QUANTIFIED] [2021-10-13 00:12:41,754 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_85,QUANTIFIED] [2021-10-13 00:12:41,754 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_85,QUANTIFIED] [2021-10-13 00:12:41,754 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_85,QUANTIFIED] [2021-10-13 00:12:41,754 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_85,QUANTIFIED] [2021-10-13 00:12:41,754 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_76,QUANTIFIED] [2021-10-13 00:12:41,755 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_76,QUANTIFIED] [2021-10-13 00:12:41,755 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_76,QUANTIFIED] [2021-10-13 00:12:41,755 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_76,QUANTIFIED] [2021-10-13 00:12:41,755 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_85,QUANTIFIED] [2021-10-13 00:12:41,755 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_85,QUANTIFIED] [2021-10-13 00:12:41,756 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_85,QUANTIFIED] [2021-10-13 00:12:41,756 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_85,QUANTIFIED] [2021-10-13 00:12:41,760 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~a~0.base,QUANTIFIED] [2021-10-13 00:12:41,760 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~a~0.base,QUANTIFIED] [2021-10-13 00:12:41,760 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_35,QUANTIFIED] [2021-10-13 00:12:41,760 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_35,QUANTIFIED] [2021-10-13 00:12:41,761 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~a~0.base,QUANTIFIED] [2021-10-13 00:12:41,761 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~a~0.base,QUANTIFIED] [2021-10-13 00:12:41,761 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~a~0.base,QUANTIFIED] [2021-10-13 00:12:41,761 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_35,QUANTIFIED] [2021-10-13 00:12:41,762 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_85,QUANTIFIED] [2021-10-13 00:12:41,762 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_85,QUANTIFIED] [2021-10-13 00:12:41,762 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_85,QUANTIFIED] [2021-10-13 00:12:41,762 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_85,QUANTIFIED] [2021-10-13 00:12:41,763 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_61,QUANTIFIED] [2021-10-13 00:12:41,763 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_61,QUANTIFIED] [2021-10-13 00:12:41,763 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_61,QUANTIFIED] [2021-10-13 00:12:41,763 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_61,QUANTIFIED] [2021-10-13 00:12:41,764 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_90,QUANTIFIED] [2021-10-13 00:12:41,764 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_90,QUANTIFIED] [2021-10-13 00:12:41,764 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_90,QUANTIFIED] [2021-10-13 00:12:41,764 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~a~0.base,QUANTIFIED] [2021-10-13 00:12:41,765 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~a~0.base,QUANTIFIED] [2021-10-13 00:12:41,765 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~a~0.base,QUANTIFIED] [2021-10-13 00:12:41,765 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_35,QUANTIFIED] [2021-10-13 00:12:41,766 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_35,QUANTIFIED] [2021-10-13 00:12:41,766 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_35,QUANTIFIED] [2021-10-13 00:12:41,766 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_85,QUANTIFIED] [2021-10-13 00:12:41,766 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_85,QUANTIFIED] [2021-10-13 00:12:41,766 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_85,QUANTIFIED] [2021-10-13 00:12:41,767 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_85,QUANTIFIED] [2021-10-13 00:12:41,767 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_76,QUANTIFIED] [2021-10-13 00:12:41,767 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_76,QUANTIFIED] [2021-10-13 00:12:41,767 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_76,QUANTIFIED] [2021-10-13 00:12:41,767 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_76,QUANTIFIED] [2021-10-13 00:12:41,768 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_85,QUANTIFIED] [2021-10-13 00:12:41,768 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_85,QUANTIFIED] [2021-10-13 00:12:41,768 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_85,QUANTIFIED] [2021-10-13 00:12:41,768 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_85,QUANTIFIED] Derived loop invariant: (((((((((((((1 <= N && unknown-#memory_int-unknown[sum][sum] == 0) && i == 0) && a == 0) && N <= 1) && a + 1 < sum) && unknown-#memory_int-unknown[a][a] == 1) || (((((((unknown-#memory_int-unknown[sum][sum] == 0 && i == 0) && a == 0) && a + 1 < sum) && 1 < N) && N <= 2) && unknown-#memory_int-unknown[a][a] == 1) && unknown-#memory_int-unknown[a][4] == 1)) || ((((((((\exists ULTIMATE.start_main_~a~0.base : int, v_ULTIMATE.start_main_~i~0_35 : int :: ((((!(sum == ULTIMATE.start_main_~a~0.base) && unknown-#memory_int-unknown[ULTIMATE.start_main_~a~0.base][v_ULTIMATE.start_main_~i~0_35 * 4] == 1) && N <= v_ULTIMATE.start_main_~i~0_35 + 1) && unknown-#memory_int-unknown[ULTIMATE.start_main_~a~0.base][4] + 1 == unknown-#memory_int-unknown[sum][sum]) && unknown-#memory_int-unknown[sum][sum] == unknown-#memory_int-unknown[ULTIMATE.start_main_~a~0.base][4] + unknown-#memory_int-unknown[ULTIMATE.start_main_~a~0.base][0]) && v_ULTIMATE.start_main_~i~0_35 <= 1) && 2 <= i) && a == 0) && i <= 2) && unknown-#memory_int-unknown[a][a + 4] == 1) && a + 1 < sum) && 1 < N) && unknown-#memory_int-unknown[a][a] == 1)) || (((((((\exists v_ULTIMATE.start_main_~i~0_85 : int :: ((unknown-#memory_int-unknown[a][v_ULTIMATE.start_main_~i~0_85 * 4 + a + -4] == 1 && unknown-#memory_int-unknown[a][v_ULTIMATE.start_main_~i~0_85 * 4 + a] == 1) && N <= v_ULTIMATE.start_main_~i~0_85 + 1) && v_ULTIMATE.start_main_~i~0_85 < N) && a == 0) && i == 1) && unknown-#memory_int-unknown[sum][sum] == unknown-#memory_int-unknown[a][a]) && a + 1 < sum) && 3 == N) && unknown-#memory_int-unknown[a][a + i * 4 := 1][0] == 1)) || ((((((((\exists v_ULTIMATE.start_main_~i~0_61 : int :: (unknown-#memory_int-unknown[sum][sum] == unknown-#memory_int-unknown[a][a + v_ULTIMATE.start_main_~i~0_61 * 4] + 1 + unknown-#memory_int-unknown[a][a + -4 + v_ULTIMATE.start_main_~i~0_61 * 4] && i <= v_ULTIMATE.start_main_~i~0_61 + 1) && v_ULTIMATE.start_main_~i~0_61 < N) && a == 0) && i == 3) && a + 1 < sum) && (\exists v_ULTIMATE.start_main_~i~0_90 : int :: (unknown-#memory_int-unknown[a][a + v_ULTIMATE.start_main_~i~0_90 * 4] == 1 && i <= v_ULTIMATE.start_main_~i~0_90 + 1) && v_ULTIMATE.start_main_~i~0_90 < N)) && unknown-#memory_int-unknown[a][a] == 1) && N <= 3) && unknown-#memory_int-unknown[a][4] == 1)) || ((((((i <= 1 && !(sum == a)) && 1 <= i) && (\exists ULTIMATE.start_main_~a~0.base : int :: (unknown-#memory_int-unknown[sum][sum] == unknown-#memory_int-unknown[ULTIMATE.start_main_~a~0.base][0] && unknown-#memory_int-unknown[ULTIMATE.start_main_~a~0.base][0] == 1) && ULTIMATE.start_main_~a~0.base + 1 < sum)) && a == 0) && unknown-#memory_int-unknown[a][0] == 1) && unknown-#memory_int-unknown[sum][sum] == N)) || ((((((a == 0 && i == 1) && unknown-#memory_int-unknown[sum][sum] == unknown-#memory_int-unknown[a][a]) && a + 1 < sum) && 1 < N) && unknown-#memory_int-unknown[a][a + i * 4 := 1][0] == 1) && (\exists v_ULTIMATE.start_main_~i~0_35 : int :: (1 == unknown-#memory_int-unknown[a][a + v_ULTIMATE.start_main_~i~0_35 * 4] && N <= v_ULTIMATE.start_main_~i~0_35 + 1) && v_ULTIMATE.start_main_~i~0_35 <= 1))) || ((((((((\exists v_ULTIMATE.start_main_~i~0_85 : int :: ((unknown-#memory_int-unknown[a][v_ULTIMATE.start_main_~i~0_85 * 4 + a + -4] == 1 && unknown-#memory_int-unknown[a][v_ULTIMATE.start_main_~i~0_85 * 4 + a] == 1) && N <= v_ULTIMATE.start_main_~i~0_85 + 1) && v_ULTIMATE.start_main_~i~0_85 < N) && a == 0) && unknown-#memory_int-unknown[sum][sum] == unknown-#memory_int-unknown[a][a + -4 + i * 4] + 1) && i <= 2) && a + 1 < sum) && unknown-#memory_int-unknown[a][a] == 1) && 3 == N) && (\exists v_ULTIMATE.start_main_~i~0_76 : int :: ((4 * v_ULTIMATE.start_main_~i~0_76 + a <= 4 && v_ULTIMATE.start_main_~i~0_76 + 1 <= i) && unknown-#memory_int-unknown[a][v_ULTIMATE.start_main_~i~0_76 * 4 + a] == 1) && 1 <= v_ULTIMATE.start_main_~i~0_76))) || ((((((unknown-#memory_int-unknown[sum][sum] == 0 && (\exists v_ULTIMATE.start_main_~i~0_85 : int :: ((unknown-#memory_int-unknown[a][v_ULTIMATE.start_main_~i~0_85 * 4 + a + -4] == 1 && unknown-#memory_int-unknown[a][v_ULTIMATE.start_main_~i~0_85 * 4 + a] == 1) && N <= v_ULTIMATE.start_main_~i~0_85 + 1) && v_ULTIMATE.start_main_~i~0_85 < N)) && i == 0) && a == 0) && a + 1 < sum) && unknown-#memory_int-unknown[a][a] == 1) && 3 == N) - InvariantResult [Line: 42]: Loop Invariant [2021-10-13 00:12:41,771 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~a~0.base,QUANTIFIED] [2021-10-13 00:12:41,771 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~a~0.base,QUANTIFIED] [2021-10-13 00:12:41,771 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_35,QUANTIFIED] [2021-10-13 00:12:41,771 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_35,QUANTIFIED] [2021-10-13 00:12:41,772 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~a~0.base,QUANTIFIED] [2021-10-13 00:12:41,772 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~a~0.base,QUANTIFIED] [2021-10-13 00:12:41,772 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~a~0.base,QUANTIFIED] [2021-10-13 00:12:41,772 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_35,QUANTIFIED] [2021-10-13 00:12:41,773 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~a~0.base,QUANTIFIED] [2021-10-13 00:12:41,773 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~a~0.base,QUANTIFIED] [2021-10-13 00:12:41,773 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~a~0.base,QUANTIFIED] [2021-10-13 00:12:41,773 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_95,QUANTIFIED] [2021-10-13 00:12:41,773 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_95,QUANTIFIED] [2021-10-13 00:12:41,774 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_95,QUANTIFIED] [2021-10-13 00:12:41,774 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_95,QUANTIFIED] [2021-10-13 00:12:41,774 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_95,QUANTIFIED] [2021-10-13 00:12:41,775 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_90,QUANTIFIED] [2021-10-13 00:12:41,775 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_90,QUANTIFIED] [2021-10-13 00:12:41,775 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_90,QUANTIFIED] [2021-10-13 00:12:41,775 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_90,QUANTIFIED] [2021-10-13 00:12:41,776 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_90,QUANTIFIED] [2021-10-13 00:12:41,776 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_90,QUANTIFIED] [2021-10-13 00:12:41,776 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_90,QUANTIFIED] [2021-10-13 00:12:41,777 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_90,QUANTIFIED] [2021-10-13 00:12:41,777 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_90,QUANTIFIED] [2021-10-13 00:12:41,777 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_90,QUANTIFIED] [2021-10-13 00:12:41,777 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_90,QUANTIFIED] [2021-10-13 00:12:41,778 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_90,QUANTIFIED] [2021-10-13 00:12:41,778 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_90,QUANTIFIED] [2021-10-13 00:12:41,778 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_90,QUANTIFIED] [2021-10-13 00:12:41,778 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_90,QUANTIFIED] [2021-10-13 00:12:41,778 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_90,QUANTIFIED] [2021-10-13 00:12:41,779 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_90,QUANTIFIED] [2021-10-13 00:12:41,781 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~a~0.base,QUANTIFIED] [2021-10-13 00:12:41,782 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~a~0.base,QUANTIFIED] [2021-10-13 00:12:41,782 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_35,QUANTIFIED] [2021-10-13 00:12:41,782 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_35,QUANTIFIED] [2021-10-13 00:12:41,782 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~a~0.base,QUANTIFIED] [2021-10-13 00:12:41,783 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~a~0.base,QUANTIFIED] [2021-10-13 00:12:41,783 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~a~0.base,QUANTIFIED] [2021-10-13 00:12:41,783 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_35,QUANTIFIED] [2021-10-13 00:12:41,783 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~a~0.base,QUANTIFIED] [2021-10-13 00:12:41,784 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~a~0.base,QUANTIFIED] [2021-10-13 00:12:41,784 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~a~0.base,QUANTIFIED] [2021-10-13 00:12:41,784 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_95,QUANTIFIED] [2021-10-13 00:12:41,784 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_95,QUANTIFIED] [2021-10-13 00:12:41,784 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_95,QUANTIFIED] [2021-10-13 00:12:41,785 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_95,QUANTIFIED] [2021-10-13 00:12:41,785 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_95,QUANTIFIED] [2021-10-13 00:12:41,785 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_90,QUANTIFIED] [2021-10-13 00:12:41,785 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_90,QUANTIFIED] [2021-10-13 00:12:41,786 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_90,QUANTIFIED] [2021-10-13 00:12:41,786 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_90,QUANTIFIED] [2021-10-13 00:12:41,786 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_90,QUANTIFIED] [2021-10-13 00:12:41,786 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_90,QUANTIFIED] [2021-10-13 00:12:41,786 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_90,QUANTIFIED] [2021-10-13 00:12:41,787 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_90,QUANTIFIED] [2021-10-13 00:12:41,787 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_90,QUANTIFIED] [2021-10-13 00:12:41,787 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_90,QUANTIFIED] [2021-10-13 00:12:41,787 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_90,QUANTIFIED] [2021-10-13 00:12:41,787 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_90,QUANTIFIED] [2021-10-13 00:12:41,788 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_90,QUANTIFIED] [2021-10-13 00:12:41,788 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_90,QUANTIFIED] [2021-10-13 00:12:41,788 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_90,QUANTIFIED] [2021-10-13 00:12:41,788 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_90,QUANTIFIED] [2021-10-13 00:12:41,788 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_90,QUANTIFIED] Derived loop invariant: ((((((((((((((\exists ULTIMATE.start_main_~a~0.base : int, v_ULTIMATE.start_main_~i~0_35 : int :: ((((!(sum == ULTIMATE.start_main_~a~0.base) && unknown-#memory_int-unknown[ULTIMATE.start_main_~a~0.base][v_ULTIMATE.start_main_~i~0_35 * 4] == 1) && N <= v_ULTIMATE.start_main_~i~0_35 + 1) && unknown-#memory_int-unknown[ULTIMATE.start_main_~a~0.base][4] + 1 == unknown-#memory_int-unknown[sum][sum]) && unknown-#memory_int-unknown[sum][sum] == unknown-#memory_int-unknown[ULTIMATE.start_main_~a~0.base][4] + unknown-#memory_int-unknown[ULTIMATE.start_main_~a~0.base][0]) && v_ULTIMATE.start_main_~i~0_35 <= 1) && i == 0) && a == 0) && unknown-#memory_int-unknown[a][a + 4] == 1) && a + 1 < sum) && 1 < N) && unknown-#memory_int-unknown[a][a] == 1) || ((((((((!(sum == a) && 2 <= i) && 1 <= i) && unknown-#memory_int-unknown[a][a] == 0) && unknown-#memory_int-unknown[a][4] == 0) && a == 0) && i <= 2) && 1 < N) && N <= 2)) || ((((i <= 1 && N == 1) && unknown-#memory_int-unknown[a][0] == 0) && 1 <= i) && a == 0)) || (((((!(sum == a) && unknown-#memory_int-unknown[a][a + i * 4] == 1) && (\exists ULTIMATE.start_main_~a~0.base : int :: (unknown-#memory_int-unknown[sum][sum] == unknown-#memory_int-unknown[ULTIMATE.start_main_~a~0.base][0] && unknown-#memory_int-unknown[ULTIMATE.start_main_~a~0.base][0] == 1) && ULTIMATE.start_main_~a~0.base + 1 < sum)) && i == 0) && a == 0) && unknown-#memory_int-unknown[sum][sum] == N)) || (((((((a == 0 && i == 1) && unknown-#memory_int-unknown[a][a + 4] == 1) && a + 1 < sum) && 1 < N) && N <= 2) && unknown-#memory_int-unknown[sum][sum] == N) && unknown-#memory_int-unknown[a][a + i * 4 := -1 + unknown-#memory_int-unknown[a][a + i * 4]][0] == 0)) || ((((((((unknown-#memory_int-unknown[a][a + 4] == 0 && !(sum == a)) && a == 0) && 3 <= N) && i <= 3) && (\exists v_ULTIMATE.start_main_~i~0_95 : int :: (v_ULTIMATE.start_main_~i~0_95 < N && N <= v_ULTIMATE.start_main_~i~0_95 + 1) && ((v_ULTIMATE.start_main_~i~0_95 <= 0 && unknown-#memory_int-unknown[a][a + v_ULTIMATE.start_main_~i~0_95 * 4] + 1 == 0) || unknown-#memory_int-unknown[a][a + v_ULTIMATE.start_main_~i~0_95 * 4] == 0))) && (\exists v_ULTIMATE.start_main_~i~0_90 : int :: ((((((v_ULTIMATE.start_main_~i~0_90 + 1 <= i && unknown-#memory_int-unknown[a][a + v_ULTIMATE.start_main_~i~0_90 * 4] + 1 == 0) || unknown-#memory_int-unknown[a][a + v_ULTIMATE.start_main_~i~0_90 * 4] == 0) && v_ULTIMATE.start_main_~i~0_90 <= 0) || unknown-#memory_int-unknown[a][a + v_ULTIMATE.start_main_~i~0_90 * 4] == 1) || (v_ULTIMATE.start_main_~i~0_90 + 1 <= i && unknown-#memory_int-unknown[a][a + v_ULTIMATE.start_main_~i~0_90 * 4] == 0)) && N <= v_ULTIMATE.start_main_~i~0_90 + 1) && v_ULTIMATE.start_main_~i~0_90 < N)) && unknown-#memory_int-unknown[sum][sum] == N) && unknown-#memory_int-unknown[a][a + i * 4 := -1 + unknown-#memory_int-unknown[a][a + i * 4]][0] == 0)) || (((((((((!(sum == a) && unknown-#memory_int-unknown[a][a + i * 4] == 1) && 1 <= i) && unknown-#memory_int-unknown[a][a] == 0) && 8 == 4 * i + a) && unknown-#memory_int-unknown[a][a + i * 4 := -1 + unknown-#memory_int-unknown[a][a + i * 4]][4] == 0) && a == 0) && 1 < N) && N <= 3) && unknown-#memory_int-unknown[sum][sum] == N)) || ((((((((a == 0 && i == 1) && unknown-#memory_int-unknown[a][a + 4] == 1) && a + 1 < sum) && N <= 3) && unknown-#memory_int-unknown[sum][sum] == N) && unknown-#memory_int-unknown[a][a + i * 4 := -1 + unknown-#memory_int-unknown[a][a + i * 4]][0] == 0) && (\exists v_ULTIMATE.start_main_~i~0_90 : int :: (N <= v_ULTIMATE.start_main_~i~0_90 + 1 && v_ULTIMATE.start_main_~i~0_90 < N) && (unknown-#memory_int-unknown[a][a + v_ULTIMATE.start_main_~i~0_90 * 4] == 1 || (v_ULTIMATE.start_main_~i~0_90 <= 0 && unknown-#memory_int-unknown[a][a + v_ULTIMATE.start_main_~i~0_90 * 4] == 0)))) && 2 < N)) || (((((((((\exists v_ULTIMATE.start_main_~i~0_90 : int :: (unknown-#memory_int-unknown[a][a + v_ULTIMATE.start_main_~i~0_90 * 4] == 1 && N <= v_ULTIMATE.start_main_~i~0_90 + 1) && v_ULTIMATE.start_main_~i~0_90 < N) && i == 0) && a == 0) && a + 1 < sum) && unknown-#memory_int-unknown[a][a] == 1) && N <= 3) && unknown-#memory_int-unknown[sum][sum] == N) && 2 < N) && unknown-#memory_int-unknown[a][4] == 1) - InvariantResult [Line: 21]: Loop Invariant Derived loop invariant: 1 RESULT: Ultimate proved your program to be correct! [2021-10-13 00:12:41,859 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e85dc415-ba8f-4c5a-b332-17e3860a48df/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...