./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 b2eff8ba Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efcbbda9-dcd3-4a1d-9cd7-41a63188e5f5/bin/uautomizer-GMMbpWq8iD/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efcbbda9-dcd3-4a1d-9cd7-41a63188e5f5/bin/uautomizer-GMMbpWq8iD/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efcbbda9-dcd3-4a1d-9cd7-41a63188e5f5/bin/uautomizer-GMMbpWq8iD/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efcbbda9-dcd3-4a1d-9cd7-41a63188e5f5/bin/uautomizer-GMMbpWq8iD/config/AutomizerReach.xml -i ../../sv-benchmarks/c/array-fpi/condg.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efcbbda9-dcd3-4a1d-9cd7-41a63188e5f5/bin/uautomizer-GMMbpWq8iD/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efcbbda9-dcd3-4a1d-9cd7-41a63188e5f5/bin/uautomizer-GMMbpWq8iD --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 2909e53e12aac54327f6ce090ad489c978c1fbcfb0ae8bd4172abe8a99b2cb53 ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.1-dev-b2eff8b [2021-10-28 23:25:49,852 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-28 23:25:49,857 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-28 23:25:49,934 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-28 23:25:49,935 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-28 23:25:49,941 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-28 23:25:49,944 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-28 23:25:49,949 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-28 23:25:49,953 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-28 23:25:49,963 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-28 23:25:49,964 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-28 23:25:49,967 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-28 23:25:49,967 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-28 23:25:49,971 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-28 23:25:49,974 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-28 23:25:49,985 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-28 23:25:49,987 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-28 23:25:49,989 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-28 23:25:49,992 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-28 23:25:50,000 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-28 23:25:50,003 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-28 23:25:50,006 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-28 23:25:50,008 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-28 23:25:50,010 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-28 23:25:50,019 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-28 23:25:50,020 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-28 23:25:50,020 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-28 23:25:50,023 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-28 23:25:50,024 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-28 23:25:50,026 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-28 23:25:50,026 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-28 23:25:50,028 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-28 23:25:50,030 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-28 23:25:50,032 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-28 23:25:50,034 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-28 23:25:50,035 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-28 23:25:50,036 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-28 23:25:50,036 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-28 23:25:50,037 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-28 23:25:50,038 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-28 23:25:50,039 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-28 23:25:50,040 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efcbbda9-dcd3-4a1d-9cd7-41a63188e5f5/bin/uautomizer-GMMbpWq8iD/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-10-28 23:25:50,095 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-28 23:25:50,096 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-28 23:25:50,097 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-10-28 23:25:50,097 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-10-28 23:25:50,099 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-28 23:25:50,100 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-28 23:25:50,100 INFO L138 SettingsManager]: * Use SBE=true [2021-10-28 23:25:50,101 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-28 23:25:50,101 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-28 23:25:50,101 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-28 23:25:50,103 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-28 23:25:50,103 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-28 23:25:50,104 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-28 23:25:50,104 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-28 23:25:50,104 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-28 23:25:50,105 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-28 23:25:50,105 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-28 23:25:50,105 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-28 23:25:50,105 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-28 23:25:50,106 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-28 23:25:50,106 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-28 23:25:50,106 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-28 23:25:50,107 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-28 23:25:50,107 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-28 23:25:50,108 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-28 23:25:50,108 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-28 23:25:50,108 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-10-28 23:25:50,108 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-28 23:25:50,109 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-10-28 23:25:50,109 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-10-28 23:25:50,109 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-28 23:25:50,110 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-28 23:25:50,110 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_efcbbda9-dcd3-4a1d-9cd7-41a63188e5f5/bin/uautomizer-GMMbpWq8iD/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efcbbda9-dcd3-4a1d-9cd7-41a63188e5f5/bin/uautomizer-GMMbpWq8iD Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2909e53e12aac54327f6ce090ad489c978c1fbcfb0ae8bd4172abe8a99b2cb53 [2021-10-28 23:25:50,434 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-28 23:25:50,468 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-28 23:25:50,471 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-28 23:25:50,473 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-28 23:25:50,474 INFO L275 PluginConnector]: CDTParser initialized [2021-10-28 23:25:50,475 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efcbbda9-dcd3-4a1d-9cd7-41a63188e5f5/bin/uautomizer-GMMbpWq8iD/../../sv-benchmarks/c/array-fpi/condg.c [2021-10-28 23:25:50,555 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efcbbda9-dcd3-4a1d-9cd7-41a63188e5f5/bin/uautomizer-GMMbpWq8iD/data/2261e530c/3fa446ef94d74d13a16db4e2591698c4/FLAGcb37e1c1c [2021-10-28 23:25:51,206 INFO L306 CDTParser]: Found 1 translation units. [2021-10-28 23:25:51,207 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efcbbda9-dcd3-4a1d-9cd7-41a63188e5f5/sv-benchmarks/c/array-fpi/condg.c [2021-10-28 23:25:51,215 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efcbbda9-dcd3-4a1d-9cd7-41a63188e5f5/bin/uautomizer-GMMbpWq8iD/data/2261e530c/3fa446ef94d74d13a16db4e2591698c4/FLAGcb37e1c1c [2021-10-28 23:25:51,572 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efcbbda9-dcd3-4a1d-9cd7-41a63188e5f5/bin/uautomizer-GMMbpWq8iD/data/2261e530c/3fa446ef94d74d13a16db4e2591698c4 [2021-10-28 23:25:51,577 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-28 23:25:51,579 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-28 23:25:51,581 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-28 23:25:51,581 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-28 23:25:51,585 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-28 23:25:51,586 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 11:25:51" (1/1) ... [2021-10-28 23:25:51,588 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@bdee8d4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:25:51, skipping insertion in model container [2021-10-28 23:25:51,588 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 11:25:51" (1/1) ... [2021-10-28 23:25:51,597 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-28 23:25:51,614 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-28 23:25:51,825 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_efcbbda9-dcd3-4a1d-9cd7-41a63188e5f5/sv-benchmarks/c/array-fpi/condg.c[588,601] [2021-10-28 23:25:51,863 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-28 23:25:51,871 INFO L203 MainTranslator]: Completed pre-run [2021-10-28 23:25:51,883 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_efcbbda9-dcd3-4a1d-9cd7-41a63188e5f5/sv-benchmarks/c/array-fpi/condg.c[588,601] [2021-10-28 23:25:51,894 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-28 23:25:51,914 INFO L208 MainTranslator]: Completed translation [2021-10-28 23:25:51,914 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:25:51 WrapperNode [2021-10-28 23:25:51,915 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-28 23:25:51,916 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-28 23:25:51,916 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-28 23:25:51,917 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-28 23:25:51,925 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:25:51" (1/1) ... [2021-10-28 23:25:51,932 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:25:51" (1/1) ... [2021-10-28 23:25:51,959 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-28 23:25:51,967 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-28 23:25:51,967 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-28 23:25:51,968 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-28 23:25:51,977 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:25:51" (1/1) ... [2021-10-28 23:25:51,977 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:25:51" (1/1) ... [2021-10-28 23:25:51,980 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:25:51" (1/1) ... [2021-10-28 23:25:51,980 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:25:51" (1/1) ... [2021-10-28 23:25:51,989 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:25:51" (1/1) ... [2021-10-28 23:25:51,995 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:25:51" (1/1) ... [2021-10-28 23:25:51,997 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:25:51" (1/1) ... [2021-10-28 23:25:52,000 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-28 23:25:52,002 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-28 23:25:52,002 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-28 23:25:52,002 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-28 23:25:52,003 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:25:51" (1/1) ... [2021-10-28 23:25:52,014 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-28 23:25:52,025 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efcbbda9-dcd3-4a1d-9cd7-41a63188e5f5/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:25:52,049 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efcbbda9-dcd3-4a1d-9cd7-41a63188e5f5/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-10-28 23:25:52,054 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efcbbda9-dcd3-4a1d-9cd7-41a63188e5f5/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-10-28 23:25:52,104 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-10-28 23:25:52,104 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-28 23:25:52,105 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-10-28 23:25:52,105 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-10-28 23:25:52,105 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-28 23:25:52,105 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-28 23:25:52,105 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-10-28 23:25:52,106 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-10-28 23:25:52,521 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-28 23:25:52,521 INFO L299 CfgBuilder]: Removed 12 assume(true) statements. [2021-10-28 23:25:52,524 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 11:25:52 BoogieIcfgContainer [2021-10-28 23:25:52,524 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-28 23:25:52,526 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-28 23:25:52,526 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-28 23:25:52,535 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-28 23:25:52,535 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.10 11:25:51" (1/3) ... [2021-10-28 23:25:52,537 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@791781c7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.10 11:25:52, skipping insertion in model container [2021-10-28 23:25:52,537 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:25:51" (2/3) ... [2021-10-28 23:25:52,537 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@791781c7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.10 11:25:52, skipping insertion in model container [2021-10-28 23:25:52,538 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 11:25:52" (3/3) ... [2021-10-28 23:25:52,540 INFO L111 eAbstractionObserver]: Analyzing ICFG condg.c [2021-10-28 23:25:52,547 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-28 23:25:52,548 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-10-28 23:25:52,613 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-10-28 23:25:52,621 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-10-28 23:25:52,622 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-10-28 23:25:52,640 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) [2021-10-28 23:25:52,647 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2021-10-28 23:25:52,647 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 23:25:52,648 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 23:25:52,649 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 23:25:52,656 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:25:52,656 INFO L85 PathProgramCache]: Analyzing trace with hash -592817118, now seen corresponding path program 1 times [2021-10-28 23:25:52,668 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 23:25:52,668 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [892623113] [2021-10-28 23:25:52,669 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:25:52,670 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 23:25:52,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:25:52,860 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 23:25:52,861 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 23:25:52,862 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [892623113] [2021-10-28 23:25:52,862 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [892623113] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 23:25:52,863 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 23:25:52,863 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-28 23:25:52,865 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1411231551] [2021-10-28 23:25:52,872 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-10-28 23:25:52,872 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 23:25:52,889 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-10-28 23:25:52,890 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-10-28 23:25:52,893 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) [2021-10-28 23:25:52,916 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 23:25:52,917 INFO L93 Difference]: Finished difference Result 46 states and 66 transitions. [2021-10-28 23:25:52,917 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-28 23:25:52,920 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 [2021-10-28 23:25:52,921 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 23:25:52,933 INFO L225 Difference]: With dead ends: 46 [2021-10-28 23:25:52,933 INFO L226 Difference]: Without dead ends: 21 [2021-10-28 23:25:52,938 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-10-28 23:25:52,954 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21 states. [2021-10-28 23:25:52,966 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21 to 21. [2021-10-28 23:25:52,968 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) [2021-10-28 23:25:52,969 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 25 transitions. [2021-10-28 23:25:52,971 INFO L78 Accepts]: Start accepts. Automaton has 21 states and 25 transitions. Word has length 14 [2021-10-28 23:25:52,972 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 23:25:52,972 INFO L470 AbstractCegarLoop]: Abstraction has 21 states and 25 transitions. [2021-10-28 23:25:52,973 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) [2021-10-28 23:25:52,973 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 25 transitions. [2021-10-28 23:25:52,974 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2021-10-28 23:25:52,985 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 23:25:52,985 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 23:25:52,986 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-10-28 23:25:52,986 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 23:25:52,987 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:25:52,988 INFO L85 PathProgramCache]: Analyzing trace with hash 108247460, now seen corresponding path program 1 times [2021-10-28 23:25:52,988 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 23:25:52,989 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1177297301] [2021-10-28 23:25:52,989 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:25:52,989 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 23:25:53,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:25:53,123 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 23:25:53,124 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 23:25:53,124 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1177297301] [2021-10-28 23:25:53,125 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1177297301] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 23:25:53,125 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 23:25:53,125 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-10-28 23:25:53,126 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2041880336] [2021-10-28 23:25:53,127 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-28 23:25:53,128 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 23:25:53,129 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-28 23:25:53,130 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-28 23:25:53,130 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) [2021-10-28 23:25:53,263 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 23:25:53,264 INFO L93 Difference]: Finished difference Result 48 states and 59 transitions. [2021-10-28 23:25:53,264 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-28 23:25:53,265 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 [2021-10-28 23:25:53,265 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 23:25:53,266 INFO L225 Difference]: With dead ends: 48 [2021-10-28 23:25:53,266 INFO L226 Difference]: Without dead ends: 34 [2021-10-28 23:25:53,268 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-28 23:25:53,268 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 34 states. [2021-10-28 23:25:53,274 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 34 to 24. [2021-10-28 23:25:53,275 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) [2021-10-28 23:25:53,276 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 24 states and 28 transitions. [2021-10-28 23:25:53,276 INFO L78 Accepts]: Start accepts. Automaton has 24 states and 28 transitions. Word has length 14 [2021-10-28 23:25:53,276 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 23:25:53,277 INFO L470 AbstractCegarLoop]: Abstraction has 24 states and 28 transitions. [2021-10-28 23:25:53,277 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) [2021-10-28 23:25:53,278 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 28 transitions. [2021-10-28 23:25:53,278 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-10-28 23:25:53,279 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 23:25:53,279 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 23:25:53,280 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-10-28 23:25:53,280 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 23:25:53,281 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:25:53,281 INFO L85 PathProgramCache]: Analyzing trace with hash -1242970242, now seen corresponding path program 1 times [2021-10-28 23:25:53,282 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 23:25:53,282 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2094952270] [2021-10-28 23:25:53,282 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:25:53,283 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 23:25:53,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:25:53,843 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 23:25:53,843 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 23:25:53,843 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2094952270] [2021-10-28 23:25:53,844 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2094952270] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-28 23:25:53,844 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1260688198] [2021-10-28 23:25:53,844 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:25:53,845 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-28 23:25:53,845 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efcbbda9-dcd3-4a1d-9cd7-41a63188e5f5/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:25:53,847 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efcbbda9-dcd3-4a1d-9cd7-41a63188e5f5/bin/uautomizer-GMMbpWq8iD/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-28 23:25:53,871 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efcbbda9-dcd3-4a1d-9cd7-41a63188e5f5/bin/uautomizer-GMMbpWq8iD/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-10-28 23:25:53,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:25:53,936 INFO L263 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 18 conjunts are in the unsatisfiable core [2021-10-28 23:25:53,943 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 23:25:54,040 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 [2021-10-28 23:25:54,077 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 [2021-10-28 23:25:54,203 INFO L354 Elim1Store]: treesize reduction 104, result has 15.4 percent of original size [2021-10-28 23:25:54,204 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 [2021-10-28 23:25:54,389 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 [2021-10-28 23:25:54,521 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 23:25:54,521 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1260688198] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-28 23:25:54,522 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-28 23:25:54,522 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 9] total 11 [2021-10-28 23:25:54,522 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [310243819] [2021-10-28 23:25:54,523 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2021-10-28 23:25:54,523 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 23:25:54,524 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-10-28 23:25:54,525 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=83, Unknown=0, NotChecked=0, Total=110 [2021-10-28 23:25:54,525 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) [2021-10-28 23:25:54,730 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 23:25:54,730 INFO L93 Difference]: Finished difference Result 46 states and 53 transitions. [2021-10-28 23:25:54,731 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-10-28 23:25:54,731 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 [2021-10-28 23:25:54,732 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 23:25:54,738 INFO L225 Difference]: With dead ends: 46 [2021-10-28 23:25:54,738 INFO L226 Difference]: Without dead ends: 44 [2021-10-28 23:25:54,741 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 18 SyntacticMatches, 5 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 56 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=50, Invalid=160, Unknown=0, NotChecked=0, Total=210 [2021-10-28 23:25:54,741 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 44 states. [2021-10-28 23:25:54,755 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 44 to 30. [2021-10-28 23:25:54,755 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) [2021-10-28 23:25:54,758 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 30 states and 36 transitions. [2021-10-28 23:25:54,759 INFO L78 Accepts]: Start accepts. Automaton has 30 states and 36 transitions. Word has length 21 [2021-10-28 23:25:54,759 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 23:25:54,759 INFO L470 AbstractCegarLoop]: Abstraction has 30 states and 36 transitions. [2021-10-28 23:25:54,760 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) [2021-10-28 23:25:54,760 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 36 transitions. [2021-10-28 23:25:54,761 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-10-28 23:25:54,761 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 23:25:54,762 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 23:25:54,801 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efcbbda9-dcd3-4a1d-9cd7-41a63188e5f5/bin/uautomizer-GMMbpWq8iD/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2021-10-28 23:25:54,987 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efcbbda9-dcd3-4a1d-9cd7-41a63188e5f5/bin/uautomizer-GMMbpWq8iD/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-28 23:25:54,988 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 23:25:54,988 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:25:54,989 INFO L85 PathProgramCache]: Analyzing trace with hash 532037120, now seen corresponding path program 1 times [2021-10-28 23:25:54,989 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 23:25:54,989 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [262855112] [2021-10-28 23:25:54,989 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:25:54,990 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 23:25:55,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:25:55,416 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 1 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 23:25:55,417 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 23:25:55,417 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [262855112] [2021-10-28 23:25:55,417 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [262855112] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-28 23:25:55,418 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [584305557] [2021-10-28 23:25:55,418 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:25:55,419 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-28 23:25:55,419 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efcbbda9-dcd3-4a1d-9cd7-41a63188e5f5/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:25:55,420 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efcbbda9-dcd3-4a1d-9cd7-41a63188e5f5/bin/uautomizer-GMMbpWq8iD/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-28 23:25:55,443 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efcbbda9-dcd3-4a1d-9cd7-41a63188e5f5/bin/uautomizer-GMMbpWq8iD/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2021-10-28 23:25:55,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:25:55,524 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 17 conjunts are in the unsatisfiable core [2021-10-28 23:25:55,529 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 23:25:55,584 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 [2021-10-28 23:25:55,667 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-28 23:25:55,669 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 [2021-10-28 23:25:56,001 INFO L354 Elim1Store]: treesize reduction 39, result has 15.2 percent of original size [2021-10-28 23:25:56,002 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 [2021-10-28 23:25:56,228 INFO L354 Elim1Store]: treesize reduction 11, result has 8.3 percent of original size [2021-10-28 23:25:56,229 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 [2021-10-28 23:25:56,279 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 1 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 23:25:56,280 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [584305557] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-28 23:25:56,280 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-28 23:25:56,280 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 10] total 18 [2021-10-28 23:25:56,280 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1821878733] [2021-10-28 23:25:56,281 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2021-10-28 23:25:56,281 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 23:25:56,282 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2021-10-28 23:25:56,282 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=67, Invalid=239, Unknown=0, NotChecked=0, Total=306 [2021-10-28 23:25:56,283 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) [2021-10-28 23:25:56,610 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 23:25:56,610 INFO L93 Difference]: Finished difference Result 50 states and 61 transitions. [2021-10-28 23:25:56,610 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-10-28 23:25:56,611 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 [2021-10-28 23:25:56,611 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 23:25:56,612 INFO L225 Difference]: With dead ends: 50 [2021-10-28 23:25:56,612 INFO L226 Difference]: Without dead ends: 40 [2021-10-28 23:25:56,613 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 16 SyntacticMatches, 1 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 95 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=97, Invalid=365, Unknown=0, NotChecked=0, Total=462 [2021-10-28 23:25:56,613 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 40 states. [2021-10-28 23:25:56,619 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 40 to 39. [2021-10-28 23:25:56,620 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) [2021-10-28 23:25:56,621 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 39 states and 47 transitions. [2021-10-28 23:25:56,621 INFO L78 Accepts]: Start accepts. Automaton has 39 states and 47 transitions. Word has length 21 [2021-10-28 23:25:56,621 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 23:25:56,622 INFO L470 AbstractCegarLoop]: Abstraction has 39 states and 47 transitions. [2021-10-28 23:25:56,622 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) [2021-10-28 23:25:56,622 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 47 transitions. [2021-10-28 23:25:56,623 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-10-28 23:25:56,623 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 23:25:56,623 INFO L513 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 23:25:56,671 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efcbbda9-dcd3-4a1d-9cd7-41a63188e5f5/bin/uautomizer-GMMbpWq8iD/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2021-10-28 23:25:56,827 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efcbbda9-dcd3-4a1d-9cd7-41a63188e5f5/bin/uautomizer-GMMbpWq8iD/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-28 23:25:56,828 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 23:25:56,828 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:25:56,828 INFO L85 PathProgramCache]: Analyzing trace with hash -1912499326, now seen corresponding path program 2 times [2021-10-28 23:25:56,829 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 23:25:56,829 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1746850390] [2021-10-28 23:25:56,829 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:25:56,829 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 23:25:56,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:25:56,907 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-10-28 23:25:56,907 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 23:25:56,907 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1746850390] [2021-10-28 23:25:56,908 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1746850390] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-28 23:25:56,908 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2002123596] [2021-10-28 23:25:56,908 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-10-28 23:25:56,908 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-28 23:25:56,909 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efcbbda9-dcd3-4a1d-9cd7-41a63188e5f5/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:25:56,910 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efcbbda9-dcd3-4a1d-9cd7-41a63188e5f5/bin/uautomizer-GMMbpWq8iD/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-28 23:25:56,916 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efcbbda9-dcd3-4a1d-9cd7-41a63188e5f5/bin/uautomizer-GMMbpWq8iD/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2021-10-28 23:25:57,030 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-10-28 23:25:57,030 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-10-28 23:25:57,031 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 6 conjunts are in the unsatisfiable core [2021-10-28 23:25:57,033 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 23:25:57,189 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-10-28 23:25:57,189 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2002123596] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-28 23:25:57,189 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-28 23:25:57,190 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 12 [2021-10-28 23:25:57,202 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [285880163] [2021-10-28 23:25:57,202 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2021-10-28 23:25:57,203 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 23:25:57,203 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-10-28 23:25:57,204 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=99, Unknown=0, NotChecked=0, Total=132 [2021-10-28 23:25:57,206 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) [2021-10-28 23:25:57,506 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 23:25:57,507 INFO L93 Difference]: Finished difference Result 84 states and 101 transitions. [2021-10-28 23:25:57,507 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-10-28 23:25:57,507 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 [2021-10-28 23:25:57,508 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 23:25:57,508 INFO L225 Difference]: With dead ends: 84 [2021-10-28 23:25:57,508 INFO L226 Difference]: Without dead ends: 49 [2021-10-28 23:25:57,509 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 48 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=75, Invalid=231, Unknown=0, NotChecked=0, Total=306 [2021-10-28 23:25:57,510 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 49 states. [2021-10-28 23:25:57,519 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 49 to 31. [2021-10-28 23:25:57,529 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) [2021-10-28 23:25:57,530 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 31 states and 36 transitions. [2021-10-28 23:25:57,531 INFO L78 Accepts]: Start accepts. Automaton has 31 states and 36 transitions. Word has length 23 [2021-10-28 23:25:57,531 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 23:25:57,532 INFO L470 AbstractCegarLoop]: Abstraction has 31 states and 36 transitions. [2021-10-28 23:25:57,532 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) [2021-10-28 23:25:57,533 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 36 transitions. [2021-10-28 23:25:57,534 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-10-28 23:25:57,535 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 23:25:57,535 INFO L513 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 23:25:57,569 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efcbbda9-dcd3-4a1d-9cd7-41a63188e5f5/bin/uautomizer-GMMbpWq8iD/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2021-10-28 23:25:57,751 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efcbbda9-dcd3-4a1d-9cd7-41a63188e5f5/bin/uautomizer-GMMbpWq8iD/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-28 23:25:57,752 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 23:25:57,752 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:25:57,752 INFO L85 PathProgramCache]: Analyzing trace with hash 943879772, now seen corresponding path program 2 times [2021-10-28 23:25:57,752 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 23:25:57,753 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2017741192] [2021-10-28 23:25:57,753 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:25:57,753 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 23:25:57,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:25:58,348 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-10-28 23:25:58,349 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 23:25:58,349 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2017741192] [2021-10-28 23:25:58,350 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2017741192] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-28 23:25:58,350 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [760281366] [2021-10-28 23:25:58,350 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-10-28 23:25:58,351 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-28 23:25:58,351 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efcbbda9-dcd3-4a1d-9cd7-41a63188e5f5/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:25:58,356 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efcbbda9-dcd3-4a1d-9cd7-41a63188e5f5/bin/uautomizer-GMMbpWq8iD/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-28 23:25:58,364 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efcbbda9-dcd3-4a1d-9cd7-41a63188e5f5/bin/uautomizer-GMMbpWq8iD/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2021-10-28 23:25:58,500 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-10-28 23:25:58,501 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-10-28 23:25:58,502 INFO L263 TraceCheckSpWp]: Trace formula consists of 111 conjuncts, 25 conjunts are in the unsatisfiable core [2021-10-28 23:25:58,505 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 23:25:58,531 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 [2021-10-28 23:25:58,551 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 [2021-10-28 23:25:58,631 INFO L354 Elim1Store]: treesize reduction 25, result has 21.9 percent of original size [2021-10-28 23:25:58,631 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 [2021-10-28 23:25:58,836 INFO L354 Elim1Store]: treesize reduction 11, result has 8.3 percent of original size [2021-10-28 23:25:58,841 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 [2021-10-28 23:25:58,991 INFO L354 Elim1Store]: treesize reduction 186, result has 13.9 percent of original size [2021-10-28 23:25:58,991 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 [2021-10-28 23:25:59,207 INFO L173 IndexEqualityManager]: detected equality via solver [2021-10-28 23:25:59,226 INFO L354 Elim1Store]: treesize reduction 66, result has 18.5 percent of original size [2021-10-28 23:25:59,226 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 [2021-10-28 23:25:59,443 INFO L354 Elim1Store]: treesize reduction 84, result has 31.7 percent of original size [2021-10-28 23:25:59,443 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 [2021-10-28 23:25:59,798 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 23:25:59,798 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [760281366] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-28 23:25:59,799 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-28 23:25:59,799 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 14] total 22 [2021-10-28 23:25:59,799 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1675771705] [2021-10-28 23:25:59,800 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 22 states [2021-10-28 23:25:59,800 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 23:25:59,801 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2021-10-28 23:25:59,801 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=76, Invalid=386, Unknown=0, NotChecked=0, Total=462 [2021-10-28 23:25:59,802 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) [2021-10-28 23:26:13,463 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 23:26:13,464 INFO L93 Difference]: Finished difference Result 75 states and 86 transitions. [2021-10-28 23:26:13,464 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-10-28 23:26:13,465 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 [2021-10-28 23:26:13,465 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 23:26:13,466 INFO L225 Difference]: With dead ends: 75 [2021-10-28 23:26:13,466 INFO L226 Difference]: Without dead ends: 73 [2021-10-28 23:26:13,468 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 22 SyntacticMatches, 2 SemanticMatches, 35 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 394 ImplicationChecksByTransitivity, 6.8s TimeCoverageRelationStatistics Valid=195, Invalid=1134, Unknown=3, NotChecked=0, Total=1332 [2021-10-28 23:26:13,468 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 73 states. [2021-10-28 23:26:13,476 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 73 to 39. [2021-10-28 23:26:13,477 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) [2021-10-28 23:26:13,478 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 39 states and 46 transitions. [2021-10-28 23:26:13,478 INFO L78 Accepts]: Start accepts. Automaton has 39 states and 46 transitions. Word has length 28 [2021-10-28 23:26:13,478 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 23:26:13,478 INFO L470 AbstractCegarLoop]: Abstraction has 39 states and 46 transitions. [2021-10-28 23:26:13,479 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) [2021-10-28 23:26:13,479 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 46 transitions. [2021-10-28 23:26:13,480 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-10-28 23:26:13,480 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 23:26:13,481 INFO L513 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] [2021-10-28 23:26:13,509 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efcbbda9-dcd3-4a1d-9cd7-41a63188e5f5/bin/uautomizer-GMMbpWq8iD/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2021-10-28 23:26:13,687 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efcbbda9-dcd3-4a1d-9cd7-41a63188e5f5/bin/uautomizer-GMMbpWq8iD/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-28 23:26:13,687 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 23:26:13,688 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:26:13,688 INFO L85 PathProgramCache]: Analyzing trace with hash 550852762, now seen corresponding path program 1 times [2021-10-28 23:26:13,688 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 23:26:13,688 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [849295375] [2021-10-28 23:26:13,688 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:26:13,688 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 23:26:13,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:26:13,786 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2021-10-28 23:26:13,786 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 23:26:13,787 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [849295375] [2021-10-28 23:26:13,787 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [849295375] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-28 23:26:13,787 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1641542938] [2021-10-28 23:26:13,787 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:26:13,788 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-28 23:26:13,788 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efcbbda9-dcd3-4a1d-9cd7-41a63188e5f5/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:26:13,792 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efcbbda9-dcd3-4a1d-9cd7-41a63188e5f5/bin/uautomizer-GMMbpWq8iD/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-28 23:26:13,811 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efcbbda9-dcd3-4a1d-9cd7-41a63188e5f5/bin/uautomizer-GMMbpWq8iD/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2021-10-28 23:26:13,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:26:13,980 INFO L263 TraceCheckSpWp]: Trace formula consists of 110 conjuncts, 15 conjunts are in the unsatisfiable core [2021-10-28 23:26:13,983 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 23:26:14,012 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 [2021-10-28 23:26:14,066 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 [2021-10-28 23:26:14,113 INFO L354 Elim1Store]: treesize reduction 39, result has 9.3 percent of original size [2021-10-28 23:26:14,115 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 [2021-10-28 23:26:14,120 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 [2021-10-28 23:26:14,134 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 [2021-10-28 23:26:14,153 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 3 proven. 5 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-10-28 23:26:14,156 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1641542938] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-28 23:26:14,156 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-28 23:26:14,156 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 7] total 7 [2021-10-28 23:26:14,157 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1630374318] [2021-10-28 23:26:14,159 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-10-28 23:26:14,160 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 23:26:14,160 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-10-28 23:26:14,160 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2021-10-28 23:26:14,161 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) [2021-10-28 23:26:14,346 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 23:26:14,347 INFO L93 Difference]: Finished difference Result 76 states and 88 transitions. [2021-10-28 23:26:14,347 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-10-28 23:26:14,347 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 [2021-10-28 23:26:14,347 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 23:26:14,348 INFO L225 Difference]: With dead ends: 76 [2021-10-28 23:26:14,348 INFO L226 Difference]: Without dead ends: 66 [2021-10-28 23:26:14,349 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 28 SyntacticMatches, 2 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=35, Invalid=75, Unknown=0, NotChecked=0, Total=110 [2021-10-28 23:26:14,350 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 66 states. [2021-10-28 23:26:14,358 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 66 to 44. [2021-10-28 23:26:14,359 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) [2021-10-28 23:26:14,359 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 44 states and 53 transitions. [2021-10-28 23:26:14,360 INFO L78 Accepts]: Start accepts. Automaton has 44 states and 53 transitions. Word has length 28 [2021-10-28 23:26:14,360 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 23:26:14,360 INFO L470 AbstractCegarLoop]: Abstraction has 44 states and 53 transitions. [2021-10-28 23:26:14,360 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) [2021-10-28 23:26:14,361 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 53 transitions. [2021-10-28 23:26:14,361 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-10-28 23:26:14,362 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 23:26:14,362 INFO L513 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 23:26:14,395 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efcbbda9-dcd3-4a1d-9cd7-41a63188e5f5/bin/uautomizer-GMMbpWq8iD/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2021-10-28 23:26:14,583 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efcbbda9-dcd3-4a1d-9cd7-41a63188e5f5/bin/uautomizer-GMMbpWq8iD/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-28 23:26:14,584 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 23:26:14,584 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:26:14,584 INFO L85 PathProgramCache]: Analyzing trace with hash -1969107172, now seen corresponding path program 3 times [2021-10-28 23:26:14,584 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 23:26:14,584 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1027113624] [2021-10-28 23:26:14,585 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:26:14,585 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 23:26:14,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:26:15,772 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 3 proven. 8 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-10-28 23:26:15,772 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 23:26:15,772 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1027113624] [2021-10-28 23:26:15,772 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1027113624] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-28 23:26:15,772 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2083507713] [2021-10-28 23:26:15,773 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2021-10-28 23:26:15,773 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-28 23:26:15,773 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efcbbda9-dcd3-4a1d-9cd7-41a63188e5f5/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:26:15,775 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efcbbda9-dcd3-4a1d-9cd7-41a63188e5f5/bin/uautomizer-GMMbpWq8iD/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-28 23:26:15,799 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efcbbda9-dcd3-4a1d-9cd7-41a63188e5f5/bin/uautomizer-GMMbpWq8iD/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2021-10-28 23:26:15,990 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2021-10-28 23:26:15,990 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-10-28 23:26:15,992 INFO L263 TraceCheckSpWp]: Trace formula consists of 109 conjuncts, 26 conjunts are in the unsatisfiable core [2021-10-28 23:26:15,994 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 23:26:16,019 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 [2021-10-28 23:26:16,026 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 [2021-10-28 23:26:16,081 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 [2021-10-28 23:26:16,223 INFO L354 Elim1Store]: treesize reduction 25, result has 21.9 percent of original size [2021-10-28 23:26:16,223 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 [2021-10-28 23:26:16,553 INFO L173 IndexEqualityManager]: detected equality via solver [2021-10-28 23:26:16,557 INFO L354 Elim1Store]: treesize reduction 15, result has 6.3 percent of original size [2021-10-28 23:26:16,558 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 [2021-10-28 23:26:16,814 INFO L354 Elim1Store]: treesize reduction 142, result has 14.5 percent of original size [2021-10-28 23:26:16,815 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 [2021-10-28 23:26:17,331 INFO L354 Elim1Store]: treesize reduction 49, result has 16.9 percent of original size [2021-10-28 23:26:17,332 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 [2021-10-28 23:26:17,552 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 4 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 23:26:17,553 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2083507713] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-28 23:26:17,553 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-28 23:26:17,553 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 16] total 28 [2021-10-28 23:26:17,553 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1852975408] [2021-10-28 23:26:17,554 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 28 states [2021-10-28 23:26:17,555 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 23:26:17,555 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2021-10-28 23:26:17,556 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=95, Invalid=661, Unknown=0, NotChecked=0, Total=756 [2021-10-28 23:26:17,556 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) [2021-10-28 23:26:18,693 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 23:26:18,693 INFO L93 Difference]: Finished difference Result 97 states and 116 transitions. [2021-10-28 23:26:18,694 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-10-28 23:26:18,694 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 [2021-10-28 23:26:18,694 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 23:26:18,695 INFO L225 Difference]: With dead ends: 97 [2021-10-28 23:26:18,695 INFO L226 Difference]: Without dead ends: 85 [2021-10-28 23:26:18,696 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 54 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 34 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 347 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=149, Invalid=1111, Unknown=0, NotChecked=0, Total=1260 [2021-10-28 23:26:18,697 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 85 states. [2021-10-28 23:26:18,708 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 85 to 55. [2021-10-28 23:26:18,708 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) [2021-10-28 23:26:18,709 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 55 states and 66 transitions. [2021-10-28 23:26:18,709 INFO L78 Accepts]: Start accepts. Automaton has 55 states and 66 transitions. Word has length 28 [2021-10-28 23:26:18,710 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 23:26:18,710 INFO L470 AbstractCegarLoop]: Abstraction has 55 states and 66 transitions. [2021-10-28 23:26:18,710 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) [2021-10-28 23:26:18,710 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 66 transitions. [2021-10-28 23:26:18,712 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-10-28 23:26:18,712 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 23:26:18,712 INFO L513 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 23:26:18,752 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efcbbda9-dcd3-4a1d-9cd7-41a63188e5f5/bin/uautomizer-GMMbpWq8iD/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2021-10-28 23:26:18,939 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efcbbda9-dcd3-4a1d-9cd7-41a63188e5f5/bin/uautomizer-GMMbpWq8iD/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable7 [2021-10-28 23:26:18,940 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 23:26:18,940 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:26:18,940 INFO L85 PathProgramCache]: Analyzing trace with hash -1202810022, now seen corresponding path program 4 times [2021-10-28 23:26:18,940 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 23:26:18,940 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1003154063] [2021-10-28 23:26:18,940 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:26:18,941 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 23:26:18,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:26:19,050 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 6 proven. 7 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-10-28 23:26:19,050 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 23:26:19,051 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1003154063] [2021-10-28 23:26:19,051 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1003154063] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-28 23:26:19,051 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [344048245] [2021-10-28 23:26:19,051 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2021-10-28 23:26:19,051 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-28 23:26:19,052 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efcbbda9-dcd3-4a1d-9cd7-41a63188e5f5/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:26:19,059 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efcbbda9-dcd3-4a1d-9cd7-41a63188e5f5/bin/uautomizer-GMMbpWq8iD/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-28 23:26:19,083 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efcbbda9-dcd3-4a1d-9cd7-41a63188e5f5/bin/uautomizer-GMMbpWq8iD/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2021-10-28 23:26:19,278 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-10-28 23:26:19,278 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-10-28 23:26:19,279 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 8 conjunts are in the unsatisfiable core [2021-10-28 23:26:19,281 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 23:26:19,423 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 9 proven. 4 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-10-28 23:26:19,423 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [344048245] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-28 23:26:19,423 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-28 23:26:19,424 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 13 [2021-10-28 23:26:19,429 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2130238249] [2021-10-28 23:26:19,430 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2021-10-28 23:26:19,431 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 23:26:19,431 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-10-28 23:26:19,432 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=111, Unknown=0, NotChecked=0, Total=156 [2021-10-28 23:26:19,432 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) [2021-10-28 23:26:19,666 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 23:26:19,666 INFO L93 Difference]: Finished difference Result 145 states and 172 transitions. [2021-10-28 23:26:19,667 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-10-28 23:26:19,667 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 [2021-10-28 23:26:19,667 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 23:26:19,669 INFO L225 Difference]: With dead ends: 145 [2021-10-28 23:26:19,669 INFO L226 Difference]: Without dead ends: 112 [2021-10-28 23:26:19,670 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 45 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=69, Invalid=171, Unknown=0, NotChecked=0, Total=240 [2021-10-28 23:26:19,670 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 112 states. [2021-10-28 23:26:19,696 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 112 to 80. [2021-10-28 23:26:19,697 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) [2021-10-28 23:26:19,698 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 80 states and 95 transitions. [2021-10-28 23:26:19,699 INFO L78 Accepts]: Start accepts. Automaton has 80 states and 95 transitions. Word has length 30 [2021-10-28 23:26:19,699 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 23:26:19,699 INFO L470 AbstractCegarLoop]: Abstraction has 80 states and 95 transitions. [2021-10-28 23:26:19,700 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) [2021-10-28 23:26:19,700 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 95 transitions. [2021-10-28 23:26:19,701 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-10-28 23:26:19,701 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 23:26:19,702 INFO L513 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 23:26:19,745 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efcbbda9-dcd3-4a1d-9cd7-41a63188e5f5/bin/uautomizer-GMMbpWq8iD/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2021-10-28 23:26:19,927 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efcbbda9-dcd3-4a1d-9cd7-41a63188e5f5/bin/uautomizer-GMMbpWq8iD/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-28 23:26:19,927 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 23:26:19,928 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:26:19,928 INFO L85 PathProgramCache]: Analyzing trace with hash -1432341606, now seen corresponding path program 5 times [2021-10-28 23:26:19,928 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 23:26:19,928 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [858194816] [2021-10-28 23:26:19,928 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:26:19,928 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 23:26:19,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:26:20,038 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 1 proven. 12 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-10-28 23:26:20,038 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 23:26:20,039 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [858194816] [2021-10-28 23:26:20,039 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [858194816] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-28 23:26:20,039 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1244412110] [2021-10-28 23:26:20,039 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2021-10-28 23:26:20,039 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-28 23:26:20,039 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efcbbda9-dcd3-4a1d-9cd7-41a63188e5f5/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:26:20,040 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efcbbda9-dcd3-4a1d-9cd7-41a63188e5f5/bin/uautomizer-GMMbpWq8iD/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-28 23:26:20,041 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efcbbda9-dcd3-4a1d-9cd7-41a63188e5f5/bin/uautomizer-GMMbpWq8iD/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2021-10-28 23:26:20,294 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 4 check-sat command(s) [2021-10-28 23:26:20,294 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-10-28 23:26:20,295 INFO L263 TraceCheckSpWp]: Trace formula consists of 113 conjuncts, 8 conjunts are in the unsatisfiable core [2021-10-28 23:26:20,297 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 23:26:20,466 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 4 proven. 9 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-10-28 23:26:20,466 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1244412110] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-28 23:26:20,466 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-28 23:26:20,466 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 13 [2021-10-28 23:26:20,467 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1281752189] [2021-10-28 23:26:20,467 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2021-10-28 23:26:20,467 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 23:26:20,467 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-10-28 23:26:20,468 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=109, Unknown=0, NotChecked=0, Total=156 [2021-10-28 23:26:20,468 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) [2021-10-28 23:26:20,812 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 23:26:20,812 INFO L93 Difference]: Finished difference Result 119 states and 134 transitions. [2021-10-28 23:26:20,813 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-10-28 23:26:20,813 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 [2021-10-28 23:26:20,813 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 23:26:20,814 INFO L225 Difference]: With dead ends: 119 [2021-10-28 23:26:20,814 INFO L226 Difference]: Without dead ends: 94 [2021-10-28 23:26:20,815 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 26 SyntacticMatches, 1 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 62 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=94, Invalid=248, Unknown=0, NotChecked=0, Total=342 [2021-10-28 23:26:20,815 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 94 states. [2021-10-28 23:26:20,827 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 94 to 67. [2021-10-28 23:26:20,827 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) [2021-10-28 23:26:20,828 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 67 states and 76 transitions. [2021-10-28 23:26:20,828 INFO L78 Accepts]: Start accepts. Automaton has 67 states and 76 transitions. Word has length 30 [2021-10-28 23:26:20,828 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 23:26:20,829 INFO L470 AbstractCegarLoop]: Abstraction has 67 states and 76 transitions. [2021-10-28 23:26:20,829 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) [2021-10-28 23:26:20,829 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 76 transitions. [2021-10-28 23:26:20,830 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2021-10-28 23:26:20,831 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 23:26:20,831 INFO L513 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] [2021-10-28 23:26:20,877 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efcbbda9-dcd3-4a1d-9cd7-41a63188e5f5/bin/uautomizer-GMMbpWq8iD/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2021-10-28 23:26:21,055 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efcbbda9-dcd3-4a1d-9cd7-41a63188e5f5/bin/uautomizer-GMMbpWq8iD/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2021-10-28 23:26:21,055 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 23:26:21,056 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:26:21,056 INFO L85 PathProgramCache]: Analyzing trace with hash -736332014, now seen corresponding path program 1 times [2021-10-28 23:26:21,056 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 23:26:21,056 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [809747085] [2021-10-28 23:26:21,056 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:26:21,056 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 23:26:21,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:26:21,642 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-10-28 23:26:21,642 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 23:26:21,642 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [809747085] [2021-10-28 23:26:21,642 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [809747085] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-28 23:26:21,643 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [271483543] [2021-10-28 23:26:21,643 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:26:21,643 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-28 23:26:21,643 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efcbbda9-dcd3-4a1d-9cd7-41a63188e5f5/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:26:21,644 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efcbbda9-dcd3-4a1d-9cd7-41a63188e5f5/bin/uautomizer-GMMbpWq8iD/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-28 23:26:21,663 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efcbbda9-dcd3-4a1d-9cd7-41a63188e5f5/bin/uautomizer-GMMbpWq8iD/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2021-10-28 23:26:21,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:26:21,908 INFO L263 TraceCheckSpWp]: Trace formula consists of 122 conjuncts, 26 conjunts are in the unsatisfiable core [2021-10-28 23:26:21,910 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 23:26:22,015 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 [2021-10-28 23:26:22,103 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-28 23:26:22,107 INFO L354 Elim1Store]: treesize reduction 13, result has 7.1 percent of original size [2021-10-28 23:26:22,108 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 [2021-10-28 23:26:22,182 INFO L354 Elim1Store]: treesize reduction 114, result has 15.6 percent of original size [2021-10-28 23:26:22,183 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 [2021-10-28 23:26:22,282 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-28 23:26:22,284 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-10-28 23:26:22,285 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 [2021-10-28 23:26:22,358 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 [2021-10-28 23:26:22,506 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-10-28 23:26:22,506 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [271483543] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-28 23:26:22,507 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-28 23:26:22,507 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 12] total 18 [2021-10-28 23:26:22,507 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1145513817] [2021-10-28 23:26:22,508 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2021-10-28 23:26:22,508 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 23:26:22,508 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2021-10-28 23:26:22,509 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=255, Unknown=0, NotChecked=0, Total=306 [2021-10-28 23:26:22,509 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) [2021-10-28 23:26:22,992 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 23:26:22,992 INFO L93 Difference]: Finished difference Result 80 states and 89 transitions. [2021-10-28 23:26:22,993 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-10-28 23:26:22,993 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 [2021-10-28 23:26:22,993 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 23:26:22,994 INFO L225 Difference]: With dead ends: 80 [2021-10-28 23:26:22,994 INFO L226 Difference]: Without dead ends: 69 [2021-10-28 23:26:22,995 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 54 GetRequests, 28 SyntacticMatches, 4 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 150 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=92, Invalid=460, Unknown=0, NotChecked=0, Total=552 [2021-10-28 23:26:22,995 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 69 states. [2021-10-28 23:26:23,005 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 69 to 67. [2021-10-28 23:26:23,006 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) [2021-10-28 23:26:23,007 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 67 states and 75 transitions. [2021-10-28 23:26:23,007 INFO L78 Accepts]: Start accepts. Automaton has 67 states and 75 transitions. Word has length 32 [2021-10-28 23:26:23,007 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 23:26:23,007 INFO L470 AbstractCegarLoop]: Abstraction has 67 states and 75 transitions. [2021-10-28 23:26:23,008 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) [2021-10-28 23:26:23,008 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 75 transitions. [2021-10-28 23:26:23,009 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2021-10-28 23:26:23,009 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 23:26:23,009 INFO L513 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] [2021-10-28 23:26:23,057 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efcbbda9-dcd3-4a1d-9cd7-41a63188e5f5/bin/uautomizer-GMMbpWq8iD/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2021-10-28 23:26:23,231 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efcbbda9-dcd3-4a1d-9cd7-41a63188e5f5/bin/uautomizer-GMMbpWq8iD/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2021-10-28 23:26:23,231 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 23:26:23,232 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:26:23,232 INFO L85 PathProgramCache]: Analyzing trace with hash -35267436, now seen corresponding path program 1 times [2021-10-28 23:26:23,232 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 23:26:23,232 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [270020963] [2021-10-28 23:26:23,232 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:26:23,233 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 23:26:23,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:26:23,315 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2021-10-28 23:26:23,315 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 23:26:23,316 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [270020963] [2021-10-28 23:26:23,316 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [270020963] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-28 23:26:23,316 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1360599869] [2021-10-28 23:26:23,316 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:26:23,317 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-28 23:26:23,317 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efcbbda9-dcd3-4a1d-9cd7-41a63188e5f5/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:26:23,318 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efcbbda9-dcd3-4a1d-9cd7-41a63188e5f5/bin/uautomizer-GMMbpWq8iD/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-28 23:26:23,332 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efcbbda9-dcd3-4a1d-9cd7-41a63188e5f5/bin/uautomizer-GMMbpWq8iD/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2021-10-28 23:26:23,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:26:23,666 INFO L263 TraceCheckSpWp]: Trace formula consists of 121 conjuncts, 15 conjunts are in the unsatisfiable core [2021-10-28 23:26:23,668 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 23:26:23,687 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 [2021-10-28 23:26:23,754 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 [2021-10-28 23:26:23,806 INFO L354 Elim1Store]: treesize reduction 39, result has 9.3 percent of original size [2021-10-28 23:26:23,806 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 [2021-10-28 23:26:23,814 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 [2021-10-28 23:26:23,828 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 [2021-10-28 23:26:23,857 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 3 proven. 5 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2021-10-28 23:26:23,857 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1360599869] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-28 23:26:23,858 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-28 23:26:23,858 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 7] total 7 [2021-10-28 23:26:23,858 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1810357547] [2021-10-28 23:26:23,859 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-10-28 23:26:23,859 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 23:26:23,859 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-10-28 23:26:23,860 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2021-10-28 23:26:23,860 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) [2021-10-28 23:26:24,018 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 23:26:24,018 INFO L93 Difference]: Finished difference Result 98 states and 107 transitions. [2021-10-28 23:26:24,019 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-10-28 23:26:24,019 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 [2021-10-28 23:26:24,019 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 23:26:24,020 INFO L225 Difference]: With dead ends: 98 [2021-10-28 23:26:24,020 INFO L226 Difference]: Without dead ends: 65 [2021-10-28 23:26:24,021 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 32 SyntacticMatches, 2 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=35, Invalid=75, Unknown=0, NotChecked=0, Total=110 [2021-10-28 23:26:24,021 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 65 states. [2021-10-28 23:26:24,027 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 65 to 46. [2021-10-28 23:26:24,027 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) [2021-10-28 23:26:24,028 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 46 states and 51 transitions. [2021-10-28 23:26:24,028 INFO L78 Accepts]: Start accepts. Automaton has 46 states and 51 transitions. Word has length 32 [2021-10-28 23:26:24,028 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 23:26:24,028 INFO L470 AbstractCegarLoop]: Abstraction has 46 states and 51 transitions. [2021-10-28 23:26:24,029 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) [2021-10-28 23:26:24,029 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 51 transitions. [2021-10-28 23:26:24,030 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2021-10-28 23:26:24,030 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 23:26:24,030 INFO L513 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 23:26:24,080 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efcbbda9-dcd3-4a1d-9cd7-41a63188e5f5/bin/uautomizer-GMMbpWq8iD/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 0 [2021-10-28 23:26:24,230 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11,11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efcbbda9-dcd3-4a1d-9cd7-41a63188e5f5/bin/uautomizer-GMMbpWq8iD/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-28 23:26:24,231 INFO L402 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 23:26:24,231 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:26:24,231 INFO L85 PathProgramCache]: Analyzing trace with hash -143226682, now seen corresponding path program 3 times [2021-10-28 23:26:24,231 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 23:26:24,231 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [104530864] [2021-10-28 23:26:24,232 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:26:24,232 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 23:26:24,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:26:24,752 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 1 proven. 25 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-10-28 23:26:24,752 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 23:26:24,752 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [104530864] [2021-10-28 23:26:24,752 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [104530864] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-28 23:26:24,753 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [59996932] [2021-10-28 23:26:24,753 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2021-10-28 23:26:24,753 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-28 23:26:24,753 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efcbbda9-dcd3-4a1d-9cd7-41a63188e5f5/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:26:24,754 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efcbbda9-dcd3-4a1d-9cd7-41a63188e5f5/bin/uautomizer-GMMbpWq8iD/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-28 23:26:24,755 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efcbbda9-dcd3-4a1d-9cd7-41a63188e5f5/bin/uautomizer-GMMbpWq8iD/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2021-10-28 23:26:25,033 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) [2021-10-28 23:26:25,033 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-10-28 23:26:25,034 INFO L263 TraceCheckSpWp]: Trace formula consists of 127 conjuncts, 35 conjunts are in the unsatisfiable core [2021-10-28 23:26:25,038 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 23:26:25,063 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 [2021-10-28 23:26:25,082 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 [2021-10-28 23:26:25,135 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 39 treesize of output 34 [2021-10-28 23:26:25,148 INFO L354 Elim1Store]: treesize reduction 25, result has 21.9 percent of original size [2021-10-28 23:26:25,149 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 [2021-10-28 23:26:25,287 INFO L354 Elim1Store]: treesize reduction 72, result has 20.9 percent of original size [2021-10-28 23:26:25,288 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 [2021-10-28 23:26:43,974 INFO L173 IndexEqualityManager]: detected equality via solver [2021-10-28 23:26:43,977 INFO L354 Elim1Store]: treesize reduction 48, result has 2.0 percent of original size [2021-10-28 23:26:43,978 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 [2021-10-28 23:26:48,647 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-28 23:26:48,654 INFO L354 Elim1Store]: treesize reduction 72, result has 1.4 percent of original size [2021-10-28 23:26:48,654 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 [2021-10-28 23:26:53,211 INFO L354 Elim1Store]: treesize reduction 284, result has 12.6 percent of original size [2021-10-28 23:26:53,212 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 [2021-10-28 23:26:53,495 INFO L354 Elim1Store]: treesize reduction 54, result has 21.7 percent of original size [2021-10-28 23:26:53,495 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 [2021-10-28 23:26:53,673 INFO L354 Elim1Store]: treesize reduction 64, result has 48.0 percent of original size [2021-10-28 23:26:53,673 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 [2021-10-28 23:26:57,022 INFO L354 Elim1Store]: treesize reduction 126, result has 41.7 percent of original size [2021-10-28 23:26:57,022 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 [2021-10-28 23:27:08,014 INFO L354 Elim1Store]: treesize reduction 9, result has 10.0 percent of original size [2021-10-28 23:27:08,015 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 [2021-10-28 23:27:08,071 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 3 proven. 26 refuted. 1 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 23:27:08,071 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [59996932] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-28 23:27:08,071 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-28 23:27:08,072 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 22] total 31 [2021-10-28 23:27:08,072 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [902778811] [2021-10-28 23:27:08,072 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 31 states [2021-10-28 23:27:08,072 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 23:27:08,073 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 31 interpolants. [2021-10-28 23:27:08,074 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=124, Invalid=796, Unknown=10, NotChecked=0, Total=930 [2021-10-28 23:27:08,074 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) [2021-10-28 23:27:39,893 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 23:27:39,894 INFO L93 Difference]: Finished difference Result 97 states and 106 transitions. [2021-10-28 23:27:39,894 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-10-28 23:27:39,894 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 [2021-10-28 23:27:39,895 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 23:27:39,896 INFO L225 Difference]: With dead ends: 97 [2021-10-28 23:27:39,896 INFO L226 Difference]: Without dead ends: 95 [2021-10-28 23:27:39,898 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 83 GetRequests, 23 SyntacticMatches, 4 SemanticMatches, 56 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 991 ImplicationChecksByTransitivity, 58.3s TimeCoverageRelationStatistics Valid=462, Invalid=2830, Unknown=14, NotChecked=0, Total=3306 [2021-10-28 23:27:39,898 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 95 states. [2021-10-28 23:27:39,908 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 95 to 49. [2021-10-28 23:27:39,909 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) [2021-10-28 23:27:39,909 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 49 states and 54 transitions. [2021-10-28 23:27:39,909 INFO L78 Accepts]: Start accepts. Automaton has 49 states and 54 transitions. Word has length 35 [2021-10-28 23:27:39,910 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 23:27:39,910 INFO L470 AbstractCegarLoop]: Abstraction has 49 states and 54 transitions. [2021-10-28 23:27:39,910 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) [2021-10-28 23:27:39,910 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 54 transitions. [2021-10-28 23:27:39,911 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2021-10-28 23:27:39,911 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 23:27:39,912 INFO L513 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 23:27:39,951 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efcbbda9-dcd3-4a1d-9cd7-41a63188e5f5/bin/uautomizer-GMMbpWq8iD/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Forceful destruction successful, exit code 0 [2021-10-28 23:27:40,127 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efcbbda9-dcd3-4a1d-9cd7-41a63188e5f5/bin/uautomizer-GMMbpWq8iD/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2021-10-28 23:27:40,127 INFO L402 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 23:27:40,128 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:27:40,128 INFO L85 PathProgramCache]: Analyzing trace with hash 651947656, now seen corresponding path program 6 times [2021-10-28 23:27:40,128 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 23:27:40,128 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1381937819] [2021-10-28 23:27:40,128 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:27:40,128 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 23:27:40,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:27:40,960 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 18 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2021-10-28 23:27:40,960 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 23:27:40,960 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1381937819] [2021-10-28 23:27:40,960 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1381937819] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-28 23:27:40,960 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2033573087] [2021-10-28 23:27:40,961 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2021-10-28 23:27:40,961 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-28 23:27:40,961 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efcbbda9-dcd3-4a1d-9cd7-41a63188e5f5/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:27:40,962 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efcbbda9-dcd3-4a1d-9cd7-41a63188e5f5/bin/uautomizer-GMMbpWq8iD/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-28 23:27:40,963 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efcbbda9-dcd3-4a1d-9cd7-41a63188e5f5/bin/uautomizer-GMMbpWq8iD/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2021-10-28 23:27:41,282 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 4 check-sat command(s) [2021-10-28 23:27:41,283 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-10-28 23:27:41,284 INFO L263 TraceCheckSpWp]: Trace formula consists of 124 conjuncts, 42 conjunts are in the unsatisfiable core [2021-10-28 23:27:41,286 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 23:27:41,301 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 [2021-10-28 23:27:41,309 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 [2021-10-28 23:27:41,334 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-28 23:27:41,336 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 [2021-10-28 23:27:41,389 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-28 23:27:41,391 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 [2021-10-28 23:27:41,393 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-28 23:27:41,395 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-28 23:27:41,396 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 [2021-10-28 23:27:41,448 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-28 23:27:41,450 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 [2021-10-28 23:27:41,454 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-28 23:27:41,455 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-28 23:27:41,457 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-28 23:27:41,457 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-28 23:27:41,458 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 [2021-10-28 23:27:41,692 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 [2021-10-28 23:27:41,807 INFO L354 Elim1Store]: treesize reduction 36, result has 2.7 percent of original size [2021-10-28 23:27:41,807 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 [2021-10-28 23:27:41,974 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-28 23:27:41,978 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-28 23:27:41,984 INFO L354 Elim1Store]: treesize reduction 62, result has 1.6 percent of original size [2021-10-28 23:27:41,984 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 [2021-10-28 23:27:42,543 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-28 23:27:42,544 INFO L173 IndexEqualityManager]: detected equality via solver [2021-10-28 23:27:42,545 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-28 23:27:42,601 INFO L354 Elim1Store]: treesize reduction 286, result has 7.4 percent of original size [2021-10-28 23:27:42,602 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 [2021-10-28 23:27:42,880 INFO L354 Elim1Store]: treesize reduction 78, result has 3.7 percent of original size [2021-10-28 23:27:42,881 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 [2021-10-28 23:27:42,949 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 8 proven. 20 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-10-28 23:27:42,949 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2033573087] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-28 23:27:42,949 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-28 23:27:42,949 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18, 21] total 29 [2021-10-28 23:27:42,949 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [497395129] [2021-10-28 23:27:42,950 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 29 states [2021-10-28 23:27:42,950 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 23:27:42,950 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 29 interpolants. [2021-10-28 23:27:42,951 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=73, Invalid=739, Unknown=0, NotChecked=0, Total=812 [2021-10-28 23:27:42,951 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) [2021-10-28 23:27:43,893 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 23:27:43,893 INFO L93 Difference]: Finished difference Result 97 states and 107 transitions. [2021-10-28 23:27:43,894 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-10-28 23:27:43,894 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 [2021-10-28 23:27:43,894 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 23:27:43,895 INFO L225 Difference]: With dead ends: 97 [2021-10-28 23:27:43,895 INFO L226 Difference]: Without dead ends: 82 [2021-10-28 23:27:43,896 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 65 GetRequests, 25 SyntacticMatches, 5 SemanticMatches, 35 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 250 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=121, Invalid=1211, Unknown=0, NotChecked=0, Total=1332 [2021-10-28 23:27:43,897 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 82 states. [2021-10-28 23:27:43,907 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 82 to 62. [2021-10-28 23:27:43,908 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) [2021-10-28 23:27:43,908 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 62 states and 69 transitions. [2021-10-28 23:27:43,909 INFO L78 Accepts]: Start accepts. Automaton has 62 states and 69 transitions. Word has length 35 [2021-10-28 23:27:43,909 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 23:27:43,909 INFO L470 AbstractCegarLoop]: Abstraction has 62 states and 69 transitions. [2021-10-28 23:27:43,909 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) [2021-10-28 23:27:43,910 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 69 transitions. [2021-10-28 23:27:43,910 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2021-10-28 23:27:43,910 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 23:27:43,910 INFO L513 BasicCegarLoop]: trace histogram [4, 4, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 23:27:43,951 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efcbbda9-dcd3-4a1d-9cd7-41a63188e5f5/bin/uautomizer-GMMbpWq8iD/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Forceful destruction successful, exit code 0 [2021-10-28 23:27:44,135 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13,13 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efcbbda9-dcd3-4a1d-9cd7-41a63188e5f5/bin/uautomizer-GMMbpWq8iD/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-28 23:27:44,135 INFO L402 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 23:27:44,136 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:27:44,136 INFO L85 PathProgramCache]: Analyzing trace with hash 1989187722, now seen corresponding path program 7 times [2021-10-28 23:27:44,136 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 23:27:44,136 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [280160816] [2021-10-28 23:27:44,136 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:27:44,136 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 23:27:44,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:27:44,253 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 11 proven. 14 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2021-10-28 23:27:44,253 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 23:27:44,253 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [280160816] [2021-10-28 23:27:44,254 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [280160816] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-28 23:27:44,254 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1554298428] [2021-10-28 23:27:44,255 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2021-10-28 23:27:44,255 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-28 23:27:44,256 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efcbbda9-dcd3-4a1d-9cd7-41a63188e5f5/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:27:44,257 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efcbbda9-dcd3-4a1d-9cd7-41a63188e5f5/bin/uautomizer-GMMbpWq8iD/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-28 23:27:44,272 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efcbbda9-dcd3-4a1d-9cd7-41a63188e5f5/bin/uautomizer-GMMbpWq8iD/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2021-10-28 23:27:44,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:27:44,672 INFO L263 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 10 conjunts are in the unsatisfiable core [2021-10-28 23:27:44,690 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 23:27:44,888 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 16 proven. 9 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2021-10-28 23:27:44,888 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1554298428] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-28 23:27:44,888 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-28 23:27:44,888 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11] total 16 [2021-10-28 23:27:44,889 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [314792532] [2021-10-28 23:27:44,889 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2021-10-28 23:27:44,889 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 23:27:44,890 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2021-10-28 23:27:44,890 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=65, Invalid=175, Unknown=0, NotChecked=0, Total=240 [2021-10-28 23:27:44,890 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) [2021-10-28 23:27:45,214 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 23:27:45,215 INFO L93 Difference]: Finished difference Result 175 states and 192 transitions. [2021-10-28 23:27:45,215 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-10-28 23:27:45,216 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 [2021-10-28 23:27:45,216 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 23:27:45,217 INFO L225 Difference]: With dead ends: 175 [2021-10-28 23:27:45,217 INFO L226 Difference]: Without dead ends: 141 [2021-10-28 23:27:45,225 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 51 GetRequests, 33 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 78 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=103, Invalid=277, Unknown=0, NotChecked=0, Total=380 [2021-10-28 23:27:45,225 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 141 states. [2021-10-28 23:27:45,250 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 141 to 103. [2021-10-28 23:27:45,251 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) [2021-10-28 23:27:45,252 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 103 states and 115 transitions. [2021-10-28 23:27:45,253 INFO L78 Accepts]: Start accepts. Automaton has 103 states and 115 transitions. Word has length 37 [2021-10-28 23:27:45,254 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 23:27:45,255 INFO L470 AbstractCegarLoop]: Abstraction has 103 states and 115 transitions. [2021-10-28 23:27:45,255 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) [2021-10-28 23:27:45,255 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 115 transitions. [2021-10-28 23:27:45,256 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2021-10-28 23:27:45,256 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 23:27:45,256 INFO L513 BasicCegarLoop]: trace histogram [4, 4, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 23:27:45,298 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efcbbda9-dcd3-4a1d-9cd7-41a63188e5f5/bin/uautomizer-GMMbpWq8iD/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Forceful destruction successful, exit code 0 [2021-10-28 23:27:45,471 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efcbbda9-dcd3-4a1d-9cd7-41a63188e5f5/bin/uautomizer-GMMbpWq8iD/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2021-10-28 23:27:45,471 INFO L402 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 23:27:45,472 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:27:45,472 INFO L85 PathProgramCache]: Analyzing trace with hash -1015472054, now seen corresponding path program 8 times [2021-10-28 23:27:45,472 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 23:27:45,472 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1147428895] [2021-10-28 23:27:45,472 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:27:45,472 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 23:27:45,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:27:45,582 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 4 proven. 21 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2021-10-28 23:27:45,582 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 23:27:45,582 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1147428895] [2021-10-28 23:27:45,583 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1147428895] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-28 23:27:45,583 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [489295519] [2021-10-28 23:27:45,583 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-10-28 23:27:45,583 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-28 23:27:45,583 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efcbbda9-dcd3-4a1d-9cd7-41a63188e5f5/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:27:45,585 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efcbbda9-dcd3-4a1d-9cd7-41a63188e5f5/bin/uautomizer-GMMbpWq8iD/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-28 23:27:45,588 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efcbbda9-dcd3-4a1d-9cd7-41a63188e5f5/bin/uautomizer-GMMbpWq8iD/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process [2021-10-28 23:27:46,047 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-10-28 23:27:46,048 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-10-28 23:27:46,049 INFO L263 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 10 conjunts are in the unsatisfiable core [2021-10-28 23:27:46,054 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 23:27:46,238 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 9 proven. 16 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2021-10-28 23:27:46,238 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [489295519] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-28 23:27:46,238 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-28 23:27:46,239 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11] total 16 [2021-10-28 23:27:46,239 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1900450060] [2021-10-28 23:27:46,239 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2021-10-28 23:27:46,240 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 23:27:46,240 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2021-10-28 23:27:46,240 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=68, Invalid=172, Unknown=0, NotChecked=0, Total=240 [2021-10-28 23:27:46,241 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) [2021-10-28 23:27:46,737 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 23:27:46,737 INFO L93 Difference]: Finished difference Result 157 states and 167 transitions. [2021-10-28 23:27:46,738 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-10-28 23:27:46,738 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 [2021-10-28 23:27:46,738 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 23:27:46,739 INFO L225 Difference]: With dead ends: 157 [2021-10-28 23:27:46,740 INFO L226 Difference]: Without dead ends: 122 [2021-10-28 23:27:46,740 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 55 GetRequests, 32 SyntacticMatches, 1 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 115 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=141, Invalid=411, Unknown=0, NotChecked=0, Total=552 [2021-10-28 23:27:46,741 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 122 states. [2021-10-28 23:27:46,773 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 122 to 89. [2021-10-28 23:27:46,774 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) [2021-10-28 23:27:46,775 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 89 states and 96 transitions. [2021-10-28 23:27:46,775 INFO L78 Accepts]: Start accepts. Automaton has 89 states and 96 transitions. Word has length 37 [2021-10-28 23:27:46,776 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 23:27:46,776 INFO L470 AbstractCegarLoop]: Abstraction has 89 states and 96 transitions. [2021-10-28 23:27:46,776 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) [2021-10-28 23:27:46,776 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 96 transitions. [2021-10-28 23:27:46,777 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2021-10-28 23:27:46,777 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 23:27:46,778 INFO L513 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] [2021-10-28 23:27:46,813 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efcbbda9-dcd3-4a1d-9cd7-41a63188e5f5/bin/uautomizer-GMMbpWq8iD/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Forceful destruction successful, exit code 0 [2021-10-28 23:27:47,003 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 15 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efcbbda9-dcd3-4a1d-9cd7-41a63188e5f5/bin/uautomizer-GMMbpWq8iD/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable15 [2021-10-28 23:27:47,003 INFO L402 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 23:27:47,004 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:27:47,004 INFO L85 PathProgramCache]: Analyzing trace with hash -590527364, now seen corresponding path program 2 times [2021-10-28 23:27:47,004 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 23:27:47,004 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [67317500] [2021-10-28 23:27:47,004 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:27:47,004 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 23:27:47,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:27:47,456 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 1 proven. 22 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2021-10-28 23:27:47,456 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 23:27:47,456 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [67317500] [2021-10-28 23:27:47,456 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [67317500] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-28 23:27:47,456 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1320083008] [2021-10-28 23:27:47,456 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-10-28 23:27:47,456 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-28 23:27:47,456 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efcbbda9-dcd3-4a1d-9cd7-41a63188e5f5/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:27:47,457 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efcbbda9-dcd3-4a1d-9cd7-41a63188e5f5/bin/uautomizer-GMMbpWq8iD/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-28 23:27:47,458 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efcbbda9-dcd3-4a1d-9cd7-41a63188e5f5/bin/uautomizer-GMMbpWq8iD/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Waiting until timeout for monitored process [2021-10-28 23:27:47,911 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-10-28 23:27:47,911 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-10-28 23:27:47,913 INFO L263 TraceCheckSpWp]: Trace formula consists of 138 conjuncts, 31 conjunts are in the unsatisfiable core [2021-10-28 23:27:47,915 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 23:27:47,938 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 [2021-10-28 23:27:47,986 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 [2021-10-28 23:27:48,082 INFO L354 Elim1Store]: treesize reduction 37, result has 22.9 percent of original size [2021-10-28 23:27:48,083 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 [2021-10-28 23:27:48,413 INFO L354 Elim1Store]: treesize reduction 48, result has 2.0 percent of original size [2021-10-28 23:27:48,413 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 [2021-10-28 23:27:48,548 INFO L354 Elim1Store]: treesize reduction 48, result has 2.0 percent of original size [2021-10-28 23:27:48,549 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 [2021-10-28 23:27:48,751 INFO L354 Elim1Store]: treesize reduction 210, result has 13.9 percent of original size [2021-10-28 23:27:48,752 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 [2021-10-28 23:27:49,087 INFO L354 Elim1Store]: treesize reduction 124, result has 15.6 percent of original size [2021-10-28 23:27:49,088 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 [2021-10-28 23:27:49,301 INFO L354 Elim1Store]: treesize reduction 132, result has 10.2 percent of original size [2021-10-28 23:27:49,301 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 [2021-10-28 23:27:49,469 INFO L354 Elim1Store]: treesize reduction 94, result has 30.4 percent of original size [2021-10-28 23:27:49,470 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 [2021-10-28 23:27:49,947 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-10-28 23:27:49,947 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1320083008] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-28 23:27:49,947 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-28 23:27:49,948 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 16] total 26 [2021-10-28 23:27:49,948 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1462414684] [2021-10-28 23:27:49,948 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 26 states [2021-10-28 23:27:49,948 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 23:27:49,949 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2021-10-28 23:27:49,950 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=90, Invalid=560, Unknown=0, NotChecked=0, Total=650 [2021-10-28 23:27:49,950 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) [2021-10-28 23:27:50,884 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 23:27:50,884 INFO L93 Difference]: Finished difference Result 95 states and 100 transitions. [2021-10-28 23:27:50,884 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-10-28 23:27:50,885 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 [2021-10-28 23:27:50,885 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 23:27:50,885 INFO L225 Difference]: With dead ends: 95 [2021-10-28 23:27:50,886 INFO L226 Difference]: Without dead ends: 93 [2021-10-28 23:27:50,887 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 69 GetRequests, 30 SyntacticMatches, 4 SemanticMatches, 35 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 428 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=183, Invalid=1149, Unknown=0, NotChecked=0, Total=1332 [2021-10-28 23:27:50,887 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 93 states. [2021-10-28 23:27:50,906 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 93 to 89. [2021-10-28 23:27:50,906 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) [2021-10-28 23:27:50,907 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 89 states and 95 transitions. [2021-10-28 23:27:50,908 INFO L78 Accepts]: Start accepts. Automaton has 89 states and 95 transitions. Word has length 39 [2021-10-28 23:27:50,908 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 23:27:50,908 INFO L470 AbstractCegarLoop]: Abstraction has 89 states and 95 transitions. [2021-10-28 23:27:50,908 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) [2021-10-28 23:27:50,909 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 95 transitions. [2021-10-28 23:27:50,909 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2021-10-28 23:27:50,909 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 23:27:50,910 INFO L513 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 23:27:50,940 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efcbbda9-dcd3-4a1d-9cd7-41a63188e5f5/bin/uautomizer-GMMbpWq8iD/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Forceful destruction successful, exit code 0 [2021-10-28 23:27:51,119 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efcbbda9-dcd3-4a1d-9cd7-41a63188e5f5/bin/uautomizer-GMMbpWq8iD/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16 [2021-10-28 23:27:51,119 INFO L402 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 23:27:51,120 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:27:51,120 INFO L85 PathProgramCache]: Analyzing trace with hash -1487374188, now seen corresponding path program 9 times [2021-10-28 23:27:51,120 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 23:27:51,120 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1636632738] [2021-10-28 23:27:51,120 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:27:51,120 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 23:27:51,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:27:53,334 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 7 proven. 32 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2021-10-28 23:27:53,334 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 23:27:53,334 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1636632738] [2021-10-28 23:27:53,334 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1636632738] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-28 23:27:53,334 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1194547056] [2021-10-28 23:27:53,335 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2021-10-28 23:27:53,335 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-28 23:27:53,335 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efcbbda9-dcd3-4a1d-9cd7-41a63188e5f5/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:27:53,336 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efcbbda9-dcd3-4a1d-9cd7-41a63188e5f5/bin/uautomizer-GMMbpWq8iD/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-28 23:27:53,339 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efcbbda9-dcd3-4a1d-9cd7-41a63188e5f5/bin/uautomizer-GMMbpWq8iD/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Waiting until timeout for monitored process [2021-10-28 23:27:53,907 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 5 check-sat command(s) [2021-10-28 23:27:53,907 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-10-28 23:27:53,909 INFO L263 TraceCheckSpWp]: Trace formula consists of 139 conjuncts, 44 conjunts are in the unsatisfiable core [2021-10-28 23:27:53,910 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 23:27:53,929 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 [2021-10-28 23:27:53,937 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 [2021-10-28 23:27:53,956 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-28 23:27:53,958 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 [2021-10-28 23:27:54,043 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-28 23:27:54,044 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 [2021-10-28 23:27:54,127 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-28 23:27:54,144 INFO L354 Elim1Store]: treesize reduction 54, result has 23.9 percent of original size [2021-10-28 23:27:54,144 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 [2021-10-28 23:27:54,280 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-28 23:27:54,285 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-28 23:27:54,306 INFO L354 Elim1Store]: treesize reduction 82, result has 17.2 percent of original size [2021-10-28 23:27:54,306 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 [2021-10-28 23:27:54,757 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-28 23:27:54,758 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-28 23:27:54,759 INFO L173 IndexEqualityManager]: detected equality via solver [2021-10-28 23:27:54,774 INFO L354 Elim1Store]: treesize reduction 79, result has 1.3 percent of original size [2021-10-28 23:27:54,775 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 [2021-10-28 23:27:55,019 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-28 23:27:55,019 INFO L173 IndexEqualityManager]: detected equality via solver [2021-10-28 23:27:55,024 INFO L354 Elim1Store]: treesize reduction 75, result has 1.3 percent of original size [2021-10-28 23:27:55,025 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 [2021-10-28 23:27:55,293 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-28 23:27:55,294 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-28 23:27:55,295 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-28 23:27:55,301 INFO L354 Elim1Store]: treesize reduction 104, result has 1.0 percent of original size [2021-10-28 23:27:55,302 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 [2021-10-28 23:27:55,603 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-28 23:27:55,604 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-28 23:27:55,608 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-28 23:27:55,609 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-28 23:27:55,610 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-28 23:27:55,707 INFO L354 Elim1Store]: treesize reduction 390, result has 12.4 percent of original size [2021-10-28 23:27:55,707 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 [2021-10-28 23:27:56,466 INFO L354 Elim1Store]: treesize reduction 174, result has 3.9 percent of original size [2021-10-28 23:27:56,467 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 [2021-10-28 23:27:56,574 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 12 proven. 27 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2021-10-28 23:27:56,574 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1194547056] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-28 23:27:56,574 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-28 23:27:56,575 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [24, 23] total 43 [2021-10-28 23:27:56,575 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [848796130] [2021-10-28 23:27:56,575 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 43 states [2021-10-28 23:27:56,575 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 23:27:56,576 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 43 interpolants. [2021-10-28 23:27:56,577 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=163, Invalid=1643, Unknown=0, NotChecked=0, Total=1806 [2021-10-28 23:27:56,577 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) [2021-10-28 23:28:04,288 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 23:28:04,288 INFO L93 Difference]: Finished difference Result 148 states and 159 transitions. [2021-10-28 23:28:04,289 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2021-10-28 23:28:04,289 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 [2021-10-28 23:28:04,289 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 23:28:04,290 INFO L225 Difference]: With dead ends: 148 [2021-10-28 23:28:04,290 INFO L226 Difference]: Without dead ends: 130 [2021-10-28 23:28:04,292 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 111 GetRequests, 29 SyntacticMatches, 1 SemanticMatches, 81 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1979 ImplicationChecksByTransitivity, 8.3s TimeCoverageRelationStatistics Valid=567, Invalid=6239, Unknown=0, NotChecked=0, Total=6806 [2021-10-28 23:28:04,293 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 130 states. [2021-10-28 23:28:04,311 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 130 to 94. [2021-10-28 23:28:04,312 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) [2021-10-28 23:28:04,312 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 94 states and 101 transitions. [2021-10-28 23:28:04,312 INFO L78 Accepts]: Start accepts. Automaton has 94 states and 101 transitions. Word has length 42 [2021-10-28 23:28:04,312 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 23:28:04,313 INFO L470 AbstractCegarLoop]: Abstraction has 94 states and 101 transitions. [2021-10-28 23:28:04,313 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) [2021-10-28 23:28:04,313 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 101 transitions. [2021-10-28 23:28:04,313 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2021-10-28 23:28:04,313 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 23:28:04,313 INFO L513 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] [2021-10-28 23:28:04,342 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efcbbda9-dcd3-4a1d-9cd7-41a63188e5f5/bin/uautomizer-GMMbpWq8iD/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Forceful destruction successful, exit code 0 [2021-10-28 23:28:04,514 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 17 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efcbbda9-dcd3-4a1d-9cd7-41a63188e5f5/bin/uautomizer-GMMbpWq8iD/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17 [2021-10-28 23:28:04,514 INFO L402 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 23:28:04,515 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:28:04,515 INFO L85 PathProgramCache]: Analyzing trace with hash 2085827890, now seen corresponding path program 3 times [2021-10-28 23:28:04,515 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 23:28:04,515 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [199650756] [2021-10-28 23:28:04,515 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:28:04,515 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 23:28:04,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:28:05,101 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 0 proven. 38 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 23:28:05,101 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 23:28:05,101 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [199650756] [2021-10-28 23:28:05,102 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [199650756] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-28 23:28:05,102 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [646930164] [2021-10-28 23:28:05,102 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2021-10-28 23:28:05,102 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-28 23:28:05,103 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efcbbda9-dcd3-4a1d-9cd7-41a63188e5f5/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:28:05,112 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efcbbda9-dcd3-4a1d-9cd7-41a63188e5f5/bin/uautomizer-GMMbpWq8iD/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-28 23:28:05,135 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efcbbda9-dcd3-4a1d-9cd7-41a63188e5f5/bin/uautomizer-GMMbpWq8iD/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Waiting until timeout for monitored process [2021-10-28 23:28:05,729 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) [2021-10-28 23:28:05,729 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-10-28 23:28:05,732 INFO L263 TraceCheckSpWp]: Trace formula consists of 149 conjuncts, 39 conjunts are in the unsatisfiable core [2021-10-28 23:28:05,734 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 23:28:05,749 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 [2021-10-28 23:28:05,814 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 [2021-10-28 23:28:06,614 INFO L354 Elim1Store]: treesize reduction 15, result has 6.3 percent of original size [2021-10-28 23:28:06,615 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 [2021-10-28 23:28:06,708 INFO L354 Elim1Store]: treesize reduction 15, result has 6.3 percent of original size [2021-10-28 23:28:06,709 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 [2021-10-28 23:28:06,823 INFO L354 Elim1Store]: treesize reduction 124, result has 15.6 percent of original size [2021-10-28 23:28:06,823 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 [2021-10-28 23:28:07,098 INFO L354 Elim1Store]: treesize reduction 34, result has 48.5 percent of original size [2021-10-28 23:28:07,099 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 [2021-10-28 23:28:07,437 INFO L354 Elim1Store]: treesize reduction 34, result has 48.5 percent of original size [2021-10-28 23:28:07,437 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 [2021-10-28 23:28:08,192 INFO L354 Elim1Store]: treesize reduction 34, result has 48.5 percent of original size [2021-10-28 23:28:08,193 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 [2021-10-28 23:28:10,352 INFO L354 Elim1Store]: treesize reduction 7, result has 30.0 percent of original size [2021-10-28 23:28:10,352 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 [2021-10-28 23:28:10,392 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 7 proven. 27 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-10-28 23:28:10,392 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [646930164] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-28 23:28:10,393 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-28 23:28:10,393 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 24] total 37 [2021-10-28 23:28:10,393 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [484601984] [2021-10-28 23:28:10,393 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 37 states [2021-10-28 23:28:10,393 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 23:28:10,394 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 37 interpolants. [2021-10-28 23:28:10,395 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=122, Invalid=1209, Unknown=1, NotChecked=0, Total=1332 [2021-10-28 23:28:10,395 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) [2021-10-28 23:28:14,189 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 23:28:14,190 INFO L93 Difference]: Finished difference Result 115 states and 121 transitions. [2021-10-28 23:28:14,190 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2021-10-28 23:28:14,190 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 [2021-10-28 23:28:14,190 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 23:28:14,191 INFO L225 Difference]: With dead ends: 115 [2021-10-28 23:28:14,191 INFO L226 Difference]: Without dead ends: 83 [2021-10-28 23:28:14,193 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 109 GetRequests, 26 SyntacticMatches, 7 SemanticMatches, 76 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1740 ImplicationChecksByTransitivity, 3.7s TimeCoverageRelationStatistics Valid=577, Invalid=5428, Unknown=1, NotChecked=0, Total=6006 [2021-10-28 23:28:14,193 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 83 states. [2021-10-28 23:28:14,203 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 83 to 64. [2021-10-28 23:28:14,203 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) [2021-10-28 23:28:14,204 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 64 states and 70 transitions. [2021-10-28 23:28:14,204 INFO L78 Accepts]: Start accepts. Automaton has 64 states and 70 transitions. Word has length 43 [2021-10-28 23:28:14,204 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 23:28:14,204 INFO L470 AbstractCegarLoop]: Abstraction has 64 states and 70 transitions. [2021-10-28 23:28:14,204 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) [2021-10-28 23:28:14,204 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 70 transitions. [2021-10-28 23:28:14,205 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2021-10-28 23:28:14,205 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 23:28:14,205 INFO L513 BasicCegarLoop]: trace histogram [5, 5, 4, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 23:28:14,227 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efcbbda9-dcd3-4a1d-9cd7-41a63188e5f5/bin/uautomizer-GMMbpWq8iD/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Forceful destruction successful, exit code 0 [2021-10-28 23:28:14,405 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,18 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efcbbda9-dcd3-4a1d-9cd7-41a63188e5f5/bin/uautomizer-GMMbpWq8iD/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-28 23:28:14,405 INFO L402 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 23:28:14,406 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:28:14,406 INFO L85 PathProgramCache]: Analyzing trace with hash -1201678254, now seen corresponding path program 10 times [2021-10-28 23:28:14,406 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 23:28:14,406 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1585281124] [2021-10-28 23:28:14,406 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:28:14,406 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 23:28:14,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:28:14,521 INFO L134 CoverageAnalysis]: Checked inductivity of 63 backedges. 18 proven. 23 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2021-10-28 23:28:14,521 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 23:28:14,521 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1585281124] [2021-10-28 23:28:14,522 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1585281124] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-28 23:28:14,522 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1727233150] [2021-10-28 23:28:14,522 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2021-10-28 23:28:14,522 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-28 23:28:14,522 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efcbbda9-dcd3-4a1d-9cd7-41a63188e5f5/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:28:14,523 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efcbbda9-dcd3-4a1d-9cd7-41a63188e5f5/bin/uautomizer-GMMbpWq8iD/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-28 23:28:14,547 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efcbbda9-dcd3-4a1d-9cd7-41a63188e5f5/bin/uautomizer-GMMbpWq8iD/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Waiting until timeout for monitored process [2021-10-28 23:28:15,152 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-10-28 23:28:15,152 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-10-28 23:28:15,153 INFO L263 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 12 conjunts are in the unsatisfiable core [2021-10-28 23:28:15,154 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 23:28:15,365 INFO L134 CoverageAnalysis]: Checked inductivity of 63 backedges. 25 proven. 16 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2021-10-28 23:28:15,365 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1727233150] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-28 23:28:15,365 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-28 23:28:15,365 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 13] total 19 [2021-10-28 23:28:15,368 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1840708442] [2021-10-28 23:28:15,369 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2021-10-28 23:28:15,369 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 23:28:15,369 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2021-10-28 23:28:15,370 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=89, Invalid=253, Unknown=0, NotChecked=0, Total=342 [2021-10-28 23:28:15,370 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) [2021-10-28 23:28:15,720 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 23:28:15,721 INFO L93 Difference]: Finished difference Result 197 states and 212 transitions. [2021-10-28 23:28:15,721 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-10-28 23:28:15,721 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 [2021-10-28 23:28:15,721 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 23:28:15,722 INFO L225 Difference]: With dead ends: 197 [2021-10-28 23:28:15,722 INFO L226 Difference]: Without dead ends: 157 [2021-10-28 23:28:15,723 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 61 GetRequests, 39 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 119 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=144, Invalid=408, Unknown=0, NotChecked=0, Total=552 [2021-10-28 23:28:15,723 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 157 states. [2021-10-28 23:28:15,743 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 157 to 111. [2021-10-28 23:28:15,743 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) [2021-10-28 23:28:15,744 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111 states to 111 states and 123 transitions. [2021-10-28 23:28:15,744 INFO L78 Accepts]: Start accepts. Automaton has 111 states and 123 transitions. Word has length 44 [2021-10-28 23:28:15,744 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 23:28:15,744 INFO L470 AbstractCegarLoop]: Abstraction has 111 states and 123 transitions. [2021-10-28 23:28:15,745 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) [2021-10-28 23:28:15,745 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 123 transitions. [2021-10-28 23:28:15,745 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2021-10-28 23:28:15,745 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 23:28:15,745 INFO L513 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] [2021-10-28 23:28:15,772 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efcbbda9-dcd3-4a1d-9cd7-41a63188e5f5/bin/uautomizer-GMMbpWq8iD/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Forceful destruction successful, exit code 0 [2021-10-28 23:28:15,946 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19,19 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efcbbda9-dcd3-4a1d-9cd7-41a63188e5f5/bin/uautomizer-GMMbpWq8iD/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-28 23:28:15,946 INFO L402 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 23:28:15,946 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:28:15,946 INFO L85 PathProgramCache]: Analyzing trace with hash -1990575158, now seen corresponding path program 4 times [2021-10-28 23:28:15,946 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 23:28:15,946 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1028422512] [2021-10-28 23:28:15,947 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:28:15,947 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 23:28:16,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:28:17,223 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 4 proven. 52 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 23:28:17,223 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 23:28:17,223 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1028422512] [2021-10-28 23:28:17,223 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1028422512] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-28 23:28:17,223 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2077805557] [2021-10-28 23:28:17,223 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2021-10-28 23:28:17,224 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-28 23:28:17,224 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efcbbda9-dcd3-4a1d-9cd7-41a63188e5f5/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:28:17,231 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efcbbda9-dcd3-4a1d-9cd7-41a63188e5f5/bin/uautomizer-GMMbpWq8iD/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-28 23:28:17,233 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efcbbda9-dcd3-4a1d-9cd7-41a63188e5f5/bin/uautomizer-GMMbpWq8iD/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Waiting until timeout for monitored process [2021-10-28 23:28:17,905 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-10-28 23:28:17,905 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-10-28 23:28:17,907 INFO L263 TraceCheckSpWp]: Trace formula consists of 114 conjuncts, 39 conjunts are in the unsatisfiable core [2021-10-28 23:28:17,908 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 23:28:17,924 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 [2021-10-28 23:28:17,991 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 [2021-10-28 23:28:18,093 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-28 23:28:18,094 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 [2021-10-28 23:28:18,270 INFO L354 Elim1Store]: treesize reduction 107, result has 21.3 percent of original size [2021-10-28 23:28:18,270 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 [2021-10-28 23:28:21,002 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 1 proven. 15 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2021-10-28 23:28:21,003 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2077805557] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-28 23:28:21,003 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-28 23:28:21,003 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [26, 9] total 31 [2021-10-28 23:28:21,003 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1802966750] [2021-10-28 23:28:21,004 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 31 states [2021-10-28 23:28:21,004 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 23:28:21,004 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 31 interpolants. [2021-10-28 23:28:21,005 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=138, Invalid=791, Unknown=1, NotChecked=0, Total=930 [2021-10-28 23:28:21,005 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) [2021-10-28 23:28:25,112 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 23:28:25,112 INFO L93 Difference]: Finished difference Result 111 states and 123 transitions. [2021-10-28 23:28:25,113 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-10-28 23:28:25,113 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 [2021-10-28 23:28:25,113 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 23:28:25,113 INFO L225 Difference]: With dead ends: 111 [2021-10-28 23:28:25,113 INFO L226 Difference]: Without dead ends: 0 [2021-10-28 23:28:25,114 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 83 GetRequests, 46 SyntacticMatches, 5 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 341 ImplicationChecksByTransitivity, 6.3s TimeCoverageRelationStatistics Valid=176, Invalid=945, Unknown=1, NotChecked=0, Total=1122 [2021-10-28 23:28:25,114 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-10-28 23:28:25,114 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-10-28 23:28:25,114 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) [2021-10-28 23:28:25,115 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-10-28 23:28:25,115 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 46 [2021-10-28 23:28:25,115 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 23:28:25,115 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-28 23:28:25,115 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) [2021-10-28 23:28:25,115 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-10-28 23:28:25,115 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-10-28 23:28:25,118 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION [2021-10-28 23:28:25,146 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efcbbda9-dcd3-4a1d-9cd7-41a63188e5f5/bin/uautomizer-GMMbpWq8iD/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Forceful destruction successful, exit code 0 [2021-10-28 23:28:25,319 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20,20 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efcbbda9-dcd3-4a1d-9cd7-41a63188e5f5/bin/uautomizer-GMMbpWq8iD/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-28 23:28:25,321 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-10-28 23:28:25,325 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 23:28:26,058 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 23:28:26,098 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 23:28:26,158 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 23:28:26,216 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 23:28:33,709 INFO L857 garLoopResultBuilder]: For program point L15(line 15) no Hoare annotation was computed. [2021-10-28 23:28:33,709 INFO L857 garLoopResultBuilder]: For program point L15-1(line 15) no Hoare annotation was computed. [2021-10-28 23:28:33,711 INFO L857 garLoopResultBuilder]: For program point L44(lines 44 48) no Hoare annotation was computed. [2021-10-28 23:28:33,711 INFO L857 garLoopResultBuilder]: For program point L15-3(line 15) no Hoare annotation was computed. [2021-10-28 23:28:33,711 INFO L857 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2021-10-28 23:28:33,712 INFO L857 garLoopResultBuilder]: For program point L32-2(lines 32 35) no Hoare annotation was computed. [2021-10-28 23:28:33,712 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-10-28 23:28:33,712 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))))))) [2021-10-28 23:28:33,712 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-10-28 23:28:33,712 INFO L857 garLoopResultBuilder]: For program point L32-4(lines 32 35) no Hoare annotation was computed. [2021-10-28 23:28:33,712 INFO L857 garLoopResultBuilder]: For program point L24(line 24) no Hoare annotation was computed. [2021-10-28 23:28:33,712 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 15) no Hoare annotation was computed. [2021-10-28 23:28:33,713 INFO L857 garLoopResultBuilder]: For program point L12(lines 12 14) no Hoare annotation was computed. [2021-10-28 23:28:33,713 INFO L857 garLoopResultBuilder]: For program point L37-2(lines 37 40) no Hoare annotation was computed. [2021-10-28 23:28:33,713 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))))) [2021-10-28 23:28:33,713 INFO L857 garLoopResultBuilder]: For program point L37-4(lines 37 40) no Hoare annotation was computed. [2021-10-28 23:28:33,714 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-10-28 23:28:33,714 INFO L857 garLoopResultBuilder]: For program point L13(line 13) no Hoare annotation was computed. [2021-10-28 23:28:33,714 INFO L857 garLoopResultBuilder]: For program point L42-2(lines 42 49) no Hoare annotation was computed. [2021-10-28 23:28:33,714 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))))))) [2021-10-28 23:28:33,715 INFO L857 garLoopResultBuilder]: For program point L42-4(lines 42 49) no Hoare annotation was computed. [2021-10-28 23:28:33,715 INFO L860 garLoopResultBuilder]: At program point L55(lines 21 56) the Hoare annotation is: true [2021-10-28 23:28:33,715 INFO L857 garLoopResultBuilder]: For program point L51-2(lines 51 54) no Hoare annotation was computed. [2021-10-28 23:28:33,716 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))))) [2021-10-28 23:28:33,716 INFO L857 garLoopResultBuilder]: For program point L51-4(lines 51 54) no Hoare annotation was computed. [2021-10-28 23:28:33,719 INFO L731 BasicCegarLoop]: Path program histogram: [10, 4, 3, 1, 1, 1, 1] [2021-10-28 23:28:33,720 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-10-28 23:28:33,739 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_85,QUANTIFIED] [2021-10-28 23:28:33,740 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_85,QUANTIFIED] [2021-10-28 23:28:33,741 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_85,QUANTIFIED] [2021-10-28 23:28:33,741 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_85,QUANTIFIED] [2021-10-28 23:28:33,742 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_76,QUANTIFIED] [2021-10-28 23:28:33,742 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_76,QUANTIFIED] [2021-10-28 23:28:33,742 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_76,QUANTIFIED] [2021-10-28 23:28:33,742 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_76,QUANTIFIED] [2021-10-28 23:28:33,743 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_85,QUANTIFIED] [2021-10-28 23:28:33,743 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_85,QUANTIFIED] [2021-10-28 23:28:33,743 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_85,QUANTIFIED] [2021-10-28 23:28:33,743 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_85,QUANTIFIED] [2021-10-28 23:28:33,743 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_76,QUANTIFIED] [2021-10-28 23:28:33,744 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_76,QUANTIFIED] [2021-10-28 23:28:33,744 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_76,QUANTIFIED] [2021-10-28 23:28:33,744 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_76,QUANTIFIED] [2021-10-28 23:28:33,745 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_35,QUANTIFIED] [2021-10-28 23:28:33,745 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_35,QUANTIFIED] [2021-10-28 23:28:33,745 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_35,QUANTIFIED] [2021-10-28 23:28:33,759 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_85,QUANTIFIED] [2021-10-28 23:28:33,759 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_85,QUANTIFIED] [2021-10-28 23:28:33,759 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_85,QUANTIFIED] [2021-10-28 23:28:33,760 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_85,QUANTIFIED] [2021-10-28 23:28:33,760 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_76,QUANTIFIED] [2021-10-28 23:28:33,760 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_76,QUANTIFIED] [2021-10-28 23:28:33,760 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_76,QUANTIFIED] [2021-10-28 23:28:33,761 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_76,QUANTIFIED] [2021-10-28 23:28:33,761 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_85,QUANTIFIED] [2021-10-28 23:28:33,761 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_85,QUANTIFIED] [2021-10-28 23:28:33,762 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_85,QUANTIFIED] [2021-10-28 23:28:33,762 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_85,QUANTIFIED] [2021-10-28 23:28:33,762 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_76,QUANTIFIED] [2021-10-28 23:28:33,763 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_76,QUANTIFIED] [2021-10-28 23:28:33,763 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_76,QUANTIFIED] [2021-10-28 23:28:33,763 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_76,QUANTIFIED] [2021-10-28 23:28:33,763 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_35,QUANTIFIED] [2021-10-28 23:28:33,764 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_35,QUANTIFIED] [2021-10-28 23:28:33,764 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_35,QUANTIFIED] [2021-10-28 23:28:33,771 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_95,QUANTIFIED] [2021-10-28 23:28:33,771 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_95,QUANTIFIED] [2021-10-28 23:28:33,772 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_95,QUANTIFIED] [2021-10-28 23:28:33,772 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_95,QUANTIFIED] [2021-10-28 23:28:33,772 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_95,QUANTIFIED] [2021-10-28 23:28:33,773 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_95,QUANTIFIED] [2021-10-28 23:28:33,783 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_95,QUANTIFIED] [2021-10-28 23:28:33,783 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_95,QUANTIFIED] [2021-10-28 23:28:33,784 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_95,QUANTIFIED] [2021-10-28 23:28:33,784 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_95,QUANTIFIED] [2021-10-28 23:28:33,785 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_95,QUANTIFIED] [2021-10-28 23:28:33,785 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_95,QUANTIFIED] [2021-10-28 23:28:33,785 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_95,QUANTIFIED] [2021-10-28 23:28:33,785 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_95,QUANTIFIED] [2021-10-28 23:28:33,786 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_95,QUANTIFIED] [2021-10-28 23:28:33,792 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_95,QUANTIFIED] [2021-10-28 23:28:33,795 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_95,QUANTIFIED] [2021-10-28 23:28:33,796 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_95,QUANTIFIED] [2021-10-28 23:28:33,796 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_95,QUANTIFIED] [2021-10-28 23:28:33,796 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_95,QUANTIFIED] [2021-10-28 23:28:33,797 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_95,QUANTIFIED] [2021-10-28 23:28:33,797 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_95,QUANTIFIED] [2021-10-28 23:28:33,797 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_95,QUANTIFIED] [2021-10-28 23:28:33,798 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_95,QUANTIFIED] [2021-10-28 23:28:33,800 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_95,QUANTIFIED] [2021-10-28 23:28:33,800 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_95,QUANTIFIED] [2021-10-28 23:28:33,801 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_95,QUANTIFIED] [2021-10-28 23:28:33,801 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_95,QUANTIFIED] [2021-10-28 23:28:33,801 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_95,QUANTIFIED] [2021-10-28 23:28:33,801 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_95,QUANTIFIED] [2021-10-28 23:28:33,807 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~a~0.base,QUANTIFIED] [2021-10-28 23:28:33,819 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~a~0.base,QUANTIFIED] [2021-10-28 23:28:33,819 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_35,QUANTIFIED] [2021-10-28 23:28:33,820 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_35,QUANTIFIED] [2021-10-28 23:28:33,820 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~a~0.base,QUANTIFIED] [2021-10-28 23:28:33,820 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~a~0.base,QUANTIFIED] [2021-10-28 23:28:33,824 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~a~0.base,QUANTIFIED] [2021-10-28 23:28:33,824 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_35,QUANTIFIED] [2021-10-28 23:28:33,825 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_85,QUANTIFIED] [2021-10-28 23:28:33,825 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_85,QUANTIFIED] [2021-10-28 23:28:33,825 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_85,QUANTIFIED] [2021-10-28 23:28:33,825 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_85,QUANTIFIED] [2021-10-28 23:28:33,826 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_61,QUANTIFIED] [2021-10-28 23:28:33,826 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_61,QUANTIFIED] [2021-10-28 23:28:33,827 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_61,QUANTIFIED] [2021-10-28 23:28:33,827 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_61,QUANTIFIED] [2021-10-28 23:28:33,827 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_90,QUANTIFIED] [2021-10-28 23:28:33,828 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_90,QUANTIFIED] [2021-10-28 23:28:33,828 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_90,QUANTIFIED] [2021-10-28 23:28:33,828 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~a~0.base,QUANTIFIED] [2021-10-28 23:28:33,829 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~a~0.base,QUANTIFIED] [2021-10-28 23:28:33,829 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~a~0.base,QUANTIFIED] [2021-10-28 23:28:33,829 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_35,QUANTIFIED] [2021-10-28 23:28:33,830 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_35,QUANTIFIED] [2021-10-28 23:28:33,830 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_35,QUANTIFIED] [2021-10-28 23:28:33,830 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_85,QUANTIFIED] [2021-10-28 23:28:33,830 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_85,QUANTIFIED] [2021-10-28 23:28:33,831 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_85,QUANTIFIED] [2021-10-28 23:28:33,831 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_85,QUANTIFIED] [2021-10-28 23:28:33,831 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_76,QUANTIFIED] [2021-10-28 23:28:33,831 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_76,QUANTIFIED] [2021-10-28 23:28:33,832 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_76,QUANTIFIED] [2021-10-28 23:28:33,832 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_76,QUANTIFIED] [2021-10-28 23:28:33,832 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_85,QUANTIFIED] [2021-10-28 23:28:33,832 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_85,QUANTIFIED] [2021-10-28 23:28:33,833 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_85,QUANTIFIED] [2021-10-28 23:28:33,833 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_85,QUANTIFIED] [2021-10-28 23:28:33,839 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~a~0.base,QUANTIFIED] [2021-10-28 23:28:33,841 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~a~0.base,QUANTIFIED] [2021-10-28 23:28:33,841 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_35,QUANTIFIED] [2021-10-28 23:28:33,842 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_35,QUANTIFIED] [2021-10-28 23:28:33,842 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~a~0.base,QUANTIFIED] [2021-10-28 23:28:33,842 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~a~0.base,QUANTIFIED] [2021-10-28 23:28:33,843 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~a~0.base,QUANTIFIED] [2021-10-28 23:28:33,843 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_35,QUANTIFIED] [2021-10-28 23:28:33,844 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_85,QUANTIFIED] [2021-10-28 23:28:33,844 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_85,QUANTIFIED] [2021-10-28 23:28:33,844 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_85,QUANTIFIED] [2021-10-28 23:28:33,845 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_85,QUANTIFIED] [2021-10-28 23:28:33,845 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_61,QUANTIFIED] [2021-10-28 23:28:33,845 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_61,QUANTIFIED] [2021-10-28 23:28:33,846 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_61,QUANTIFIED] [2021-10-28 23:28:33,846 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_61,QUANTIFIED] [2021-10-28 23:28:33,846 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_90,QUANTIFIED] [2021-10-28 23:28:33,846 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_90,QUANTIFIED] [2021-10-28 23:28:33,847 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_90,QUANTIFIED] [2021-10-28 23:28:33,847 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~a~0.base,QUANTIFIED] [2021-10-28 23:28:33,847 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~a~0.base,QUANTIFIED] [2021-10-28 23:28:33,847 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~a~0.base,QUANTIFIED] [2021-10-28 23:28:33,852 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_35,QUANTIFIED] [2021-10-28 23:28:33,853 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_35,QUANTIFIED] [2021-10-28 23:28:33,853 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_35,QUANTIFIED] [2021-10-28 23:28:33,853 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_85,QUANTIFIED] [2021-10-28 23:28:33,853 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_85,QUANTIFIED] [2021-10-28 23:28:33,854 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_85,QUANTIFIED] [2021-10-28 23:28:33,854 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_85,QUANTIFIED] [2021-10-28 23:28:33,854 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_76,QUANTIFIED] [2021-10-28 23:28:33,855 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_76,QUANTIFIED] [2021-10-28 23:28:33,855 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_76,QUANTIFIED] [2021-10-28 23:28:33,855 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_76,QUANTIFIED] [2021-10-28 23:28:33,855 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_85,QUANTIFIED] [2021-10-28 23:28:33,856 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_85,QUANTIFIED] [2021-10-28 23:28:33,856 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_85,QUANTIFIED] [2021-10-28 23:28:33,856 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_85,QUANTIFIED] [2021-10-28 23:28:33,865 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~a~0.base,QUANTIFIED] [2021-10-28 23:28:33,865 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~a~0.base,QUANTIFIED] [2021-10-28 23:28:33,865 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_35,QUANTIFIED] [2021-10-28 23:28:33,866 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_35,QUANTIFIED] [2021-10-28 23:28:33,866 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~a~0.base,QUANTIFIED] [2021-10-28 23:28:33,866 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~a~0.base,QUANTIFIED] [2021-10-28 23:28:33,867 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~a~0.base,QUANTIFIED] [2021-10-28 23:28:33,867 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_35,QUANTIFIED] [2021-10-28 23:28:33,868 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~a~0.base,QUANTIFIED] [2021-10-28 23:28:33,868 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~a~0.base,QUANTIFIED] [2021-10-28 23:28:33,869 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~a~0.base,QUANTIFIED] [2021-10-28 23:28:33,869 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_95,QUANTIFIED] [2021-10-28 23:28:33,869 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_95,QUANTIFIED] [2021-10-28 23:28:33,870 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_95,QUANTIFIED] [2021-10-28 23:28:33,870 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_95,QUANTIFIED] [2021-10-28 23:28:33,870 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_95,QUANTIFIED] [2021-10-28 23:28:33,870 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_90,QUANTIFIED] [2021-10-28 23:28:33,871 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_90,QUANTIFIED] [2021-10-28 23:28:33,871 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_90,QUANTIFIED] [2021-10-28 23:28:33,871 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_90,QUANTIFIED] [2021-10-28 23:28:33,872 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_90,QUANTIFIED] [2021-10-28 23:28:33,872 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_90,QUANTIFIED] [2021-10-28 23:28:33,873 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_90,QUANTIFIED] [2021-10-28 23:28:33,873 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_90,QUANTIFIED] [2021-10-28 23:28:33,873 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_90,QUANTIFIED] [2021-10-28 23:28:33,874 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_90,QUANTIFIED] [2021-10-28 23:28:33,874 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_90,QUANTIFIED] [2021-10-28 23:28:33,874 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_90,QUANTIFIED] [2021-10-28 23:28:33,875 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_90,QUANTIFIED] [2021-10-28 23:28:33,875 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_90,QUANTIFIED] [2021-10-28 23:28:33,875 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_90,QUANTIFIED] [2021-10-28 23:28:33,875 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_90,QUANTIFIED] [2021-10-28 23:28:33,876 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_90,QUANTIFIED] [2021-10-28 23:28:33,879 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~a~0.base,QUANTIFIED] [2021-10-28 23:28:33,879 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~a~0.base,QUANTIFIED] [2021-10-28 23:28:33,879 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_35,QUANTIFIED] [2021-10-28 23:28:33,880 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_35,QUANTIFIED] [2021-10-28 23:28:33,880 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~a~0.base,QUANTIFIED] [2021-10-28 23:28:33,880 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~a~0.base,QUANTIFIED] [2021-10-28 23:28:33,881 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~a~0.base,QUANTIFIED] [2021-10-28 23:28:33,881 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_35,QUANTIFIED] [2021-10-28 23:28:33,883 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~a~0.base,QUANTIFIED] [2021-10-28 23:28:33,883 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~a~0.base,QUANTIFIED] [2021-10-28 23:28:33,884 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~a~0.base,QUANTIFIED] [2021-10-28 23:28:33,884 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_95,QUANTIFIED] [2021-10-28 23:28:33,884 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_95,QUANTIFIED] [2021-10-28 23:28:33,884 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_95,QUANTIFIED] [2021-10-28 23:28:33,884 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_95,QUANTIFIED] [2021-10-28 23:28:33,885 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_95,QUANTIFIED] [2021-10-28 23:28:33,885 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_90,QUANTIFIED] [2021-10-28 23:28:33,885 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_90,QUANTIFIED] [2021-10-28 23:28:33,885 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_90,QUANTIFIED] [2021-10-28 23:28:33,886 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_90,QUANTIFIED] [2021-10-28 23:28:33,886 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_90,QUANTIFIED] [2021-10-28 23:28:33,886 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_90,QUANTIFIED] [2021-10-28 23:28:33,886 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_90,QUANTIFIED] [2021-10-28 23:28:33,886 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_90,QUANTIFIED] [2021-10-28 23:28:33,886 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_90,QUANTIFIED] [2021-10-28 23:28:33,886 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_90,QUANTIFIED] [2021-10-28 23:28:33,887 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_90,QUANTIFIED] [2021-10-28 23:28:33,887 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_90,QUANTIFIED] [2021-10-28 23:28:33,887 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_90,QUANTIFIED] [2021-10-28 23:28:33,887 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_90,QUANTIFIED] [2021-10-28 23:28:33,887 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_90,QUANTIFIED] [2021-10-28 23:28:33,888 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_90,QUANTIFIED] [2021-10-28 23:28:33,888 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_90,QUANTIFIED] [2021-10-28 23:28:33,891 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.10 11:28:33 BoogieIcfgContainer [2021-10-28 23:28:33,891 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-28 23:28:33,892 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-28 23:28:33,892 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-28 23:28:33,892 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-28 23:28:33,893 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 11:25:52" (3/4) ... [2021-10-28 23:28:33,896 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-10-28 23:28:33,910 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2021-10-28 23:28:33,915 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2021-10-28 23:28:33,915 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-28 23:28:33,916 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-28 23:28:33,953 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)) [2021-10-28 23:28:33,953 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) [2021-10-28 23:28:33,953 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) [2021-10-28 23:28:33,954 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)) [2021-10-28 23:28:33,975 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efcbbda9-dcd3-4a1d-9cd7-41a63188e5f5/bin/uautomizer-GMMbpWq8iD/witness.graphml [2021-10-28 23:28:33,975 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-28 23:28:33,976 INFO L168 Benchmark]: Toolchain (without parser) took 162397.43 ms. Allocated memory was 113.2 MB in the beginning and 197.1 MB in the end (delta: 83.9 MB). Free memory was 81.6 MB in the beginning and 106.0 MB in the end (delta: -24.4 MB). Peak memory consumption was 58.5 MB. Max. memory is 16.1 GB. [2021-10-28 23:28:33,977 INFO L168 Benchmark]: CDTParser took 0.34 ms. Allocated memory is still 113.2 MB. Free memory was 69.0 MB in the beginning and 69.0 MB in the end (delta: 54.7 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-28 23:28:33,977 INFO L168 Benchmark]: CACSL2BoogieTranslator took 334.44 ms. Allocated memory is still 113.2 MB. Free memory was 81.6 MB in the beginning and 88.4 MB in the end (delta: -6.8 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-10-28 23:28:33,978 INFO L168 Benchmark]: Boogie Procedure Inliner took 42.88 ms. Allocated memory is still 113.2 MB. Free memory was 88.0 MB in the beginning and 86.4 MB in the end (delta: 1.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-28 23:28:33,978 INFO L168 Benchmark]: Boogie Preprocessor took 33.69 ms. Allocated memory is still 113.2 MB. Free memory was 86.4 MB in the beginning and 85.5 MB in the end (delta: 907.4 kB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-28 23:28:33,985 INFO L168 Benchmark]: RCFGBuilder took 522.39 ms. Allocated memory is still 113.2 MB. Free memory was 85.1 MB in the beginning and 74.1 MB in the end (delta: 10.9 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-10-28 23:28:33,985 INFO L168 Benchmark]: TraceAbstraction took 161365.06 ms. Allocated memory was 113.2 MB in the beginning and 197.1 MB in the end (delta: 83.9 MB). Free memory was 73.7 MB in the beginning and 109.2 MB in the end (delta: -35.4 MB). Peak memory consumption was 127.1 MB. Max. memory is 16.1 GB. [2021-10-28 23:28:33,986 INFO L168 Benchmark]: Witness Printer took 83.72 ms. Allocated memory is still 197.1 MB. Free memory was 109.2 MB in the beginning and 106.0 MB in the end (delta: 3.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-28 23:28:33,990 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.34 ms. Allocated memory is still 113.2 MB. Free memory was 69.0 MB in the beginning and 69.0 MB in the end (delta: 54.7 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 334.44 ms. Allocated memory is still 113.2 MB. Free memory was 81.6 MB in the beginning and 88.4 MB in the end (delta: -6.8 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 42.88 ms. Allocated memory is still 113.2 MB. Free memory was 88.0 MB in the beginning and 86.4 MB in the end (delta: 1.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 33.69 ms. Allocated memory is still 113.2 MB. Free memory was 86.4 MB in the beginning and 85.5 MB in the end (delta: 907.4 kB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 522.39 ms. Allocated memory is still 113.2 MB. Free memory was 85.1 MB in the beginning and 74.1 MB in the end (delta: 10.9 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * TraceAbstraction took 161365.06 ms. Allocated memory was 113.2 MB in the beginning and 197.1 MB in the end (delta: 83.9 MB). Free memory was 73.7 MB in the beginning and 109.2 MB in the end (delta: -35.4 MB). Peak memory consumption was 127.1 MB. Max. memory is 16.1 GB. * Witness Printer took 83.72 ms. Allocated memory is still 197.1 MB. Free memory was 109.2 MB in the beginning and 106.0 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, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s 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: 161.1s, OverallIterations: 21, TraceHistogramMax: 5, PathProgramHistogramMax: 10, EmptinessCheckTime: 0.0s, AutomataDifference: 67.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 8.3s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 377 SDtfs, 1503 SDslu, 2011 SDs, 0 SdLazy, 6999 SolverSat, 1056 SolverUnsat, 18 SolverUnknown, 0 SolverNotchecked, 21.8s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 1139 GetRequests, 527 SyntacticMatches, 44 SemanticMatches, 568 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7252 ImplicationChecksByTransitivity, 89.7s Time, 0.0s 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, 0.0s DumpTime, AutomataMinimizationStatistics: 0.3s AutomataMinimizationTime, 21 MinimizatonAttempts, 451 StatesRemovedByMinimization, 19 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 5 LocationsWithAnnotation, 5 PreInvPairs, 40 NumberOfFragments, 2083 HoareAnnotationTreeSize, 5 FomulaSimplifications, 16760803909 FormulaSimplificationTreeSizeReduction, 0.8s HoareSimplificationTime, 5 FomulaSimplificationsInter, 1460552178 FormulaSimplificationTreeSizeReductionInter, 7.4s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 1.2s SatisfiabilityAnalysisTime, 72.8s 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 [2021-10-28 23:28:34,037 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_85,QUANTIFIED] [2021-10-28 23:28:34,037 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_85,QUANTIFIED] [2021-10-28 23:28:34,037 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_85,QUANTIFIED] [2021-10-28 23:28:34,037 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_85,QUANTIFIED] [2021-10-28 23:28:34,038 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_76,QUANTIFIED] [2021-10-28 23:28:34,038 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_76,QUANTIFIED] [2021-10-28 23:28:34,038 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_76,QUANTIFIED] [2021-10-28 23:28:34,038 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_76,QUANTIFIED] [2021-10-28 23:28:34,039 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_85,QUANTIFIED] [2021-10-28 23:28:34,039 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_85,QUANTIFIED] [2021-10-28 23:28:34,040 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_85,QUANTIFIED] [2021-10-28 23:28:34,040 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_85,QUANTIFIED] [2021-10-28 23:28:34,040 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_76,QUANTIFIED] [2021-10-28 23:28:34,040 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_76,QUANTIFIED] [2021-10-28 23:28:34,041 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_76,QUANTIFIED] [2021-10-28 23:28:34,041 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_76,QUANTIFIED] [2021-10-28 23:28:34,041 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_35,QUANTIFIED] [2021-10-28 23:28:34,041 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_35,QUANTIFIED] [2021-10-28 23:28:34,041 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_35,QUANTIFIED] [2021-10-28 23:28:34,043 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_85,QUANTIFIED] [2021-10-28 23:28:34,043 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_85,QUANTIFIED] [2021-10-28 23:28:34,044 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_85,QUANTIFIED] [2021-10-28 23:28:34,044 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_85,QUANTIFIED] [2021-10-28 23:28:34,044 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_76,QUANTIFIED] [2021-10-28 23:28:34,045 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_76,QUANTIFIED] [2021-10-28 23:28:34,047 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_76,QUANTIFIED] [2021-10-28 23:28:34,047 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_76,QUANTIFIED] [2021-10-28 23:28:34,047 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_85,QUANTIFIED] [2021-10-28 23:28:34,048 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_85,QUANTIFIED] [2021-10-28 23:28:34,048 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_85,QUANTIFIED] [2021-10-28 23:28:34,048 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_85,QUANTIFIED] [2021-10-28 23:28:34,048 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_76,QUANTIFIED] [2021-10-28 23:28:34,049 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_76,QUANTIFIED] [2021-10-28 23:28:34,049 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_76,QUANTIFIED] [2021-10-28 23:28:34,049 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_76,QUANTIFIED] [2021-10-28 23:28:34,049 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_35,QUANTIFIED] [2021-10-28 23:28:34,049 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_35,QUANTIFIED] [2021-10-28 23:28:34,050 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 [2021-10-28 23:28:34,054 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_95,QUANTIFIED] [2021-10-28 23:28:34,054 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_95,QUANTIFIED] [2021-10-28 23:28:34,054 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_95,QUANTIFIED] [2021-10-28 23:28:34,054 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_95,QUANTIFIED] [2021-10-28 23:28:34,055 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_95,QUANTIFIED] [2021-10-28 23:28:34,056 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_95,QUANTIFIED] [2021-10-28 23:28:34,056 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_95,QUANTIFIED] [2021-10-28 23:28:34,056 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_95,QUANTIFIED] [2021-10-28 23:28:34,057 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_95,QUANTIFIED] [2021-10-28 23:28:34,058 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_95,QUANTIFIED] [2021-10-28 23:28:34,059 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_95,QUANTIFIED] [2021-10-28 23:28:34,059 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_95,QUANTIFIED] [2021-10-28 23:28:34,059 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_95,QUANTIFIED] [2021-10-28 23:28:34,059 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_95,QUANTIFIED] [2021-10-28 23:28:34,060 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_95,QUANTIFIED] [2021-10-28 23:28:34,062 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_95,QUANTIFIED] [2021-10-28 23:28:34,062 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_95,QUANTIFIED] [2021-10-28 23:28:34,062 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_95,QUANTIFIED] [2021-10-28 23:28:34,063 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_95,QUANTIFIED] [2021-10-28 23:28:34,063 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_95,QUANTIFIED] [2021-10-28 23:28:34,063 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_95,QUANTIFIED] [2021-10-28 23:28:34,064 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_95,QUANTIFIED] [2021-10-28 23:28:34,064 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_95,QUANTIFIED] [2021-10-28 23:28:34,064 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_95,QUANTIFIED] [2021-10-28 23:28:34,064 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_95,QUANTIFIED] [2021-10-28 23:28:34,066 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_95,QUANTIFIED] [2021-10-28 23:28:34,067 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_95,QUANTIFIED] [2021-10-28 23:28:34,067 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_95,QUANTIFIED] [2021-10-28 23:28:34,067 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_95,QUANTIFIED] [2021-10-28 23:28:34,067 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 [2021-10-28 23:28:34,070 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~a~0.base,QUANTIFIED] [2021-10-28 23:28:34,070 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~a~0.base,QUANTIFIED] [2021-10-28 23:28:34,070 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_35,QUANTIFIED] [2021-10-28 23:28:34,071 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_35,QUANTIFIED] [2021-10-28 23:28:34,071 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~a~0.base,QUANTIFIED] [2021-10-28 23:28:34,071 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~a~0.base,QUANTIFIED] [2021-10-28 23:28:34,071 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~a~0.base,QUANTIFIED] [2021-10-28 23:28:34,072 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_35,QUANTIFIED] [2021-10-28 23:28:34,072 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_85,QUANTIFIED] [2021-10-28 23:28:34,072 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_85,QUANTIFIED] [2021-10-28 23:28:34,073 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_85,QUANTIFIED] [2021-10-28 23:28:34,073 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_85,QUANTIFIED] [2021-10-28 23:28:34,073 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_61,QUANTIFIED] [2021-10-28 23:28:34,073 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_61,QUANTIFIED] [2021-10-28 23:28:34,074 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_61,QUANTIFIED] [2021-10-28 23:28:34,074 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_61,QUANTIFIED] [2021-10-28 23:28:34,074 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_90,QUANTIFIED] [2021-10-28 23:28:34,074 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_90,QUANTIFIED] [2021-10-28 23:28:34,075 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_90,QUANTIFIED] [2021-10-28 23:28:34,075 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~a~0.base,QUANTIFIED] [2021-10-28 23:28:34,075 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~a~0.base,QUANTIFIED] [2021-10-28 23:28:34,075 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~a~0.base,QUANTIFIED] [2021-10-28 23:28:34,076 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_35,QUANTIFIED] [2021-10-28 23:28:34,076 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_35,QUANTIFIED] [2021-10-28 23:28:34,076 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_35,QUANTIFIED] [2021-10-28 23:28:34,076 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_85,QUANTIFIED] [2021-10-28 23:28:34,077 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_85,QUANTIFIED] [2021-10-28 23:28:34,077 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_85,QUANTIFIED] [2021-10-28 23:28:34,077 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_85,QUANTIFIED] [2021-10-28 23:28:34,077 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_76,QUANTIFIED] [2021-10-28 23:28:34,078 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_76,QUANTIFIED] [2021-10-28 23:28:34,078 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_76,QUANTIFIED] [2021-10-28 23:28:34,078 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_76,QUANTIFIED] [2021-10-28 23:28:34,078 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_85,QUANTIFIED] [2021-10-28 23:28:34,078 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_85,QUANTIFIED] [2021-10-28 23:28:34,079 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_85,QUANTIFIED] [2021-10-28 23:28:34,079 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_85,QUANTIFIED] [2021-10-28 23:28:34,083 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~a~0.base,QUANTIFIED] [2021-10-28 23:28:34,083 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~a~0.base,QUANTIFIED] [2021-10-28 23:28:34,084 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_35,QUANTIFIED] [2021-10-28 23:28:34,084 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_35,QUANTIFIED] [2021-10-28 23:28:34,084 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~a~0.base,QUANTIFIED] [2021-10-28 23:28:34,085 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~a~0.base,QUANTIFIED] [2021-10-28 23:28:34,085 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~a~0.base,QUANTIFIED] [2021-10-28 23:28:34,085 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_35,QUANTIFIED] [2021-10-28 23:28:34,085 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_85,QUANTIFIED] [2021-10-28 23:28:34,086 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_85,QUANTIFIED] [2021-10-28 23:28:34,086 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_85,QUANTIFIED] [2021-10-28 23:28:34,086 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_85,QUANTIFIED] [2021-10-28 23:28:34,086 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_61,QUANTIFIED] [2021-10-28 23:28:34,087 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_61,QUANTIFIED] [2021-10-28 23:28:34,087 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_61,QUANTIFIED] [2021-10-28 23:28:34,087 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_61,QUANTIFIED] [2021-10-28 23:28:34,088 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_90,QUANTIFIED] [2021-10-28 23:28:34,088 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_90,QUANTIFIED] [2021-10-28 23:28:34,088 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_90,QUANTIFIED] [2021-10-28 23:28:34,088 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~a~0.base,QUANTIFIED] [2021-10-28 23:28:34,089 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~a~0.base,QUANTIFIED] [2021-10-28 23:28:34,089 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~a~0.base,QUANTIFIED] [2021-10-28 23:28:34,089 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_35,QUANTIFIED] [2021-10-28 23:28:34,089 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_35,QUANTIFIED] [2021-10-28 23:28:34,089 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_35,QUANTIFIED] [2021-10-28 23:28:34,090 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_85,QUANTIFIED] [2021-10-28 23:28:34,090 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_85,QUANTIFIED] [2021-10-28 23:28:34,090 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_85,QUANTIFIED] [2021-10-28 23:28:34,090 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_85,QUANTIFIED] [2021-10-28 23:28:34,091 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_76,QUANTIFIED] [2021-10-28 23:28:34,091 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_76,QUANTIFIED] [2021-10-28 23:28:34,091 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_76,QUANTIFIED] [2021-10-28 23:28:34,091 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_76,QUANTIFIED] [2021-10-28 23:28:34,092 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_85,QUANTIFIED] [2021-10-28 23:28:34,092 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_85,QUANTIFIED] [2021-10-28 23:28:34,092 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_85,QUANTIFIED] [2021-10-28 23:28:34,092 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 [2021-10-28 23:28:34,095 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~a~0.base,QUANTIFIED] [2021-10-28 23:28:34,095 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~a~0.base,QUANTIFIED] [2021-10-28 23:28:34,095 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_35,QUANTIFIED] [2021-10-28 23:28:34,096 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_35,QUANTIFIED] [2021-10-28 23:28:34,096 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~a~0.base,QUANTIFIED] [2021-10-28 23:28:34,096 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~a~0.base,QUANTIFIED] [2021-10-28 23:28:34,096 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~a~0.base,QUANTIFIED] [2021-10-28 23:28:34,097 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_35,QUANTIFIED] [2021-10-28 23:28:34,097 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~a~0.base,QUANTIFIED] [2021-10-28 23:28:34,097 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~a~0.base,QUANTIFIED] [2021-10-28 23:28:34,098 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~a~0.base,QUANTIFIED] [2021-10-28 23:28:34,098 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_95,QUANTIFIED] [2021-10-28 23:28:34,098 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_95,QUANTIFIED] [2021-10-28 23:28:34,098 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_95,QUANTIFIED] [2021-10-28 23:28:34,098 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_95,QUANTIFIED] [2021-10-28 23:28:34,099 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_95,QUANTIFIED] [2021-10-28 23:28:34,099 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_90,QUANTIFIED] [2021-10-28 23:28:34,100 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_90,QUANTIFIED] [2021-10-28 23:28:34,100 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_90,QUANTIFIED] [2021-10-28 23:28:34,100 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_90,QUANTIFIED] [2021-10-28 23:28:34,100 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_90,QUANTIFIED] [2021-10-28 23:28:34,101 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_90,QUANTIFIED] [2021-10-28 23:28:34,102 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_90,QUANTIFIED] [2021-10-28 23:28:34,103 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_90,QUANTIFIED] [2021-10-28 23:28:34,103 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_90,QUANTIFIED] [2021-10-28 23:28:34,103 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_90,QUANTIFIED] [2021-10-28 23:28:34,104 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_90,QUANTIFIED] [2021-10-28 23:28:34,104 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_90,QUANTIFIED] [2021-10-28 23:28:34,104 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_90,QUANTIFIED] [2021-10-28 23:28:34,104 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_90,QUANTIFIED] [2021-10-28 23:28:34,104 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_90,QUANTIFIED] [2021-10-28 23:28:34,105 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_90,QUANTIFIED] [2021-10-28 23:28:34,106 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_90,QUANTIFIED] [2021-10-28 23:28:34,108 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~a~0.base,QUANTIFIED] [2021-10-28 23:28:34,108 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~a~0.base,QUANTIFIED] [2021-10-28 23:28:34,108 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_35,QUANTIFIED] [2021-10-28 23:28:34,109 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_35,QUANTIFIED] [2021-10-28 23:28:34,109 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~a~0.base,QUANTIFIED] [2021-10-28 23:28:34,109 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~a~0.base,QUANTIFIED] [2021-10-28 23:28:34,110 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~a~0.base,QUANTIFIED] [2021-10-28 23:28:34,110 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_35,QUANTIFIED] [2021-10-28 23:28:34,110 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~a~0.base,QUANTIFIED] [2021-10-28 23:28:34,110 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~a~0.base,QUANTIFIED] [2021-10-28 23:28:34,111 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~a~0.base,QUANTIFIED] [2021-10-28 23:28:34,111 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_95,QUANTIFIED] [2021-10-28 23:28:34,111 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_95,QUANTIFIED] [2021-10-28 23:28:34,111 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_95,QUANTIFIED] [2021-10-28 23:28:34,112 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_95,QUANTIFIED] [2021-10-28 23:28:34,112 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_95,QUANTIFIED] [2021-10-28 23:28:34,112 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_90,QUANTIFIED] [2021-10-28 23:28:34,112 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_90,QUANTIFIED] [2021-10-28 23:28:34,112 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_90,QUANTIFIED] [2021-10-28 23:28:34,113 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_90,QUANTIFIED] [2021-10-28 23:28:34,113 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_90,QUANTIFIED] [2021-10-28 23:28:34,113 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_90,QUANTIFIED] [2021-10-28 23:28:34,113 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_90,QUANTIFIED] [2021-10-28 23:28:34,114 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_90,QUANTIFIED] [2021-10-28 23:28:34,114 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_90,QUANTIFIED] [2021-10-28 23:28:34,114 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_90,QUANTIFIED] [2021-10-28 23:28:34,114 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_90,QUANTIFIED] [2021-10-28 23:28:34,115 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_90,QUANTIFIED] [2021-10-28 23:28:34,115 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_90,QUANTIFIED] [2021-10-28 23:28:34,115 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_90,QUANTIFIED] [2021-10-28 23:28:34,115 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_90,QUANTIFIED] [2021-10-28 23:28:34,116 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_90,QUANTIFIED] [2021-10-28 23:28:34,116 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! [2021-10-28 23:28:34,190 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efcbbda9-dcd3-4a1d-9cd7-41a63188e5f5/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...