./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/array-cav19/array_init_pair_symmetr2.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_6221f8e5-4fd3-4fea-a851-f6edc99f44dc/bin/uautomizer-UnR33cPsHg/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6221f8e5-4fd3-4fea-a851-f6edc99f44dc/bin/uautomizer-UnR33cPsHg/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6221f8e5-4fd3-4fea-a851-f6edc99f44dc/bin/uautomizer-UnR33cPsHg/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6221f8e5-4fd3-4fea-a851-f6edc99f44dc/bin/uautomizer-UnR33cPsHg/config/AutomizerReach.xml -i ../../sv-benchmarks/c/array-cav19/array_init_pair_symmetr2.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6221f8e5-4fd3-4fea-a851-f6edc99f44dc/bin/uautomizer-UnR33cPsHg/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6221f8e5-4fd3-4fea-a851-f6edc99f44dc/bin/uautomizer-UnR33cPsHg --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 4caa1f295436b297cae57f4102149db941e37f67b5d377cc8e9aa7b58bbf9350 ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 09:17:09,459 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-28 09:17:09,463 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-28 09:17:09,502 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-28 09:17:09,503 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-28 09:17:09,504 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-28 09:17:09,506 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-28 09:17:09,508 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-28 09:17:09,510 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-28 09:17:09,511 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-28 09:17:09,513 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-28 09:17:09,514 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-28 09:17:09,515 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-28 09:17:09,516 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-28 09:17:09,518 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-28 09:17:09,520 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-28 09:17:09,521 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-28 09:17:09,522 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-28 09:17:09,525 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-28 09:17:09,528 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-28 09:17:09,530 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-28 09:17:09,532 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-28 09:17:09,534 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-28 09:17:09,535 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-28 09:17:09,540 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-28 09:17:09,541 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-28 09:17:09,542 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-28 09:17:09,543 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-28 09:17:09,543 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-28 09:17:09,544 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-28 09:17:09,545 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-28 09:17:09,546 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-28 09:17:09,547 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-28 09:17:09,548 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-28 09:17:09,549 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-28 09:17:09,549 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-28 09:17:09,550 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-28 09:17:09,551 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-28 09:17:09,551 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-28 09:17:09,552 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-28 09:17:09,553 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-28 09:17:09,558 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6221f8e5-4fd3-4fea-a851-f6edc99f44dc/bin/uautomizer-UnR33cPsHg/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-10-28 09:17:09,605 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-28 09:17:09,605 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-28 09:17:09,606 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-10-28 09:17:09,606 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-10-28 09:17:09,607 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-28 09:17:09,607 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-28 09:17:09,607 INFO L138 SettingsManager]: * Use SBE=true [2021-10-28 09:17:09,608 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-28 09:17:09,608 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-28 09:17:09,608 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-28 09:17:09,608 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-28 09:17:09,608 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-28 09:17:09,608 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-28 09:17:09,609 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-28 09:17:09,609 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-28 09:17:09,609 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-28 09:17:09,609 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-28 09:17:09,609 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-28 09:17:09,610 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-28 09:17:09,610 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-28 09:17:09,610 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-28 09:17:09,610 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-28 09:17:09,610 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-28 09:17:09,611 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-28 09:17:09,611 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-28 09:17:09,611 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-28 09:17:09,611 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-10-28 09:17:09,611 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-28 09:17:09,612 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-10-28 09:17:09,612 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-10-28 09:17:09,612 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-28 09:17:09,612 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-28 09:17:09,612 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_6221f8e5-4fd3-4fea-a851-f6edc99f44dc/bin/uautomizer-UnR33cPsHg/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6221f8e5-4fd3-4fea-a851-f6edc99f44dc/bin/uautomizer-UnR33cPsHg Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4caa1f295436b297cae57f4102149db941e37f67b5d377cc8e9aa7b58bbf9350 [2021-10-28 09:17:09,895 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-28 09:17:09,920 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-28 09:17:09,923 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-28 09:17:09,924 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-28 09:17:09,925 INFO L275 PluginConnector]: CDTParser initialized [2021-10-28 09:17:09,926 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6221f8e5-4fd3-4fea-a851-f6edc99f44dc/bin/uautomizer-UnR33cPsHg/../../sv-benchmarks/c/array-cav19/array_init_pair_symmetr2.c [2021-10-28 09:17:09,999 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6221f8e5-4fd3-4fea-a851-f6edc99f44dc/bin/uautomizer-UnR33cPsHg/data/535972fe4/9262729f29304ec0b6c7975a5da2af69/FLAGc31ded211 [2021-10-28 09:17:10,449 INFO L306 CDTParser]: Found 1 translation units. [2021-10-28 09:17:10,450 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6221f8e5-4fd3-4fea-a851-f6edc99f44dc/sv-benchmarks/c/array-cav19/array_init_pair_symmetr2.c [2021-10-28 09:17:10,456 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6221f8e5-4fd3-4fea-a851-f6edc99f44dc/bin/uautomizer-UnR33cPsHg/data/535972fe4/9262729f29304ec0b6c7975a5da2af69/FLAGc31ded211 [2021-10-28 09:17:10,825 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6221f8e5-4fd3-4fea-a851-f6edc99f44dc/bin/uautomizer-UnR33cPsHg/data/535972fe4/9262729f29304ec0b6c7975a5da2af69 [2021-10-28 09:17:10,827 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-28 09:17:10,828 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-28 09:17:10,830 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-28 09:17:10,830 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-28 09:17:10,834 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-28 09:17:10,835 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 09:17:10" (1/1) ... [2021-10-28 09:17:10,836 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@364c963e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:17:10, skipping insertion in model container [2021-10-28 09:17:10,836 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 09:17:10" (1/1) ... [2021-10-28 09:17:10,843 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-28 09:17:10,857 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-28 09:17:11,031 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_6221f8e5-4fd3-4fea-a851-f6edc99f44dc/sv-benchmarks/c/array-cav19/array_init_pair_symmetr2.c[415,428] [2021-10-28 09:17:11,047 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-28 09:17:11,054 INFO L203 MainTranslator]: Completed pre-run [2021-10-28 09:17:11,065 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_6221f8e5-4fd3-4fea-a851-f6edc99f44dc/sv-benchmarks/c/array-cav19/array_init_pair_symmetr2.c[415,428] [2021-10-28 09:17:11,073 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-28 09:17:11,087 INFO L208 MainTranslator]: Completed translation [2021-10-28 09:17:11,087 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:17:11 WrapperNode [2021-10-28 09:17:11,088 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-28 09:17:11,089 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-28 09:17:11,089 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-28 09:17:11,089 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-28 09:17:11,099 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:17:11" (1/1) ... [2021-10-28 09:17:11,121 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:17:11" (1/1) ... [2021-10-28 09:17:11,158 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-28 09:17:11,161 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-28 09:17:11,161 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-28 09:17:11,161 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-28 09:17:11,169 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:17:11" (1/1) ... [2021-10-28 09:17:11,170 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:17:11" (1/1) ... [2021-10-28 09:17:11,175 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:17:11" (1/1) ... [2021-10-28 09:17:11,175 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:17:11" (1/1) ... [2021-10-28 09:17:11,196 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:17:11" (1/1) ... [2021-10-28 09:17:11,202 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:17:11" (1/1) ... [2021-10-28 09:17:11,210 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:17:11" (1/1) ... [2021-10-28 09:17:11,219 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-28 09:17:11,220 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-28 09:17:11,220 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-28 09:17:11,220 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-28 09:17:11,221 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:17:11" (1/1) ... [2021-10-28 09:17:11,232 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-28 09:17:11,244 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6221f8e5-4fd3-4fea-a851-f6edc99f44dc/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:17:11,258 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6221f8e5-4fd3-4fea-a851-f6edc99f44dc/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-10-28 09:17:11,288 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6221f8e5-4fd3-4fea-a851-f6edc99f44dc/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-10-28 09:17:11,308 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-10-28 09:17:11,308 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-28 09:17:11,308 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-10-28 09:17:11,308 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-28 09:17:11,308 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-28 09:17:11,309 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-10-28 09:17:11,309 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-10-28 09:17:11,622 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-28 09:17:11,623 INFO L299 CfgBuilder]: Removed 15 assume(true) statements. [2021-10-28 09:17:11,625 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 09:17:11 BoogieIcfgContainer [2021-10-28 09:17:11,625 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-28 09:17:11,627 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-28 09:17:11,627 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-28 09:17:11,630 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-28 09:17:11,631 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.10 09:17:10" (1/3) ... [2021-10-28 09:17:11,632 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7833ca7d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.10 09:17:11, skipping insertion in model container [2021-10-28 09:17:11,632 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:17:11" (2/3) ... [2021-10-28 09:17:11,632 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7833ca7d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.10 09:17:11, skipping insertion in model container [2021-10-28 09:17:11,633 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 09:17:11" (3/3) ... [2021-10-28 09:17:11,634 INFO L111 eAbstractionObserver]: Analyzing ICFG array_init_pair_symmetr2.c [2021-10-28 09:17:11,639 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-28 09:17:11,639 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-10-28 09:17:11,686 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-10-28 09:17:11,693 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 09:17:11,693 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-10-28 09:17:11,707 INFO L276 IsEmpty]: Start isEmpty. Operand has 24 states, 22 states have (on average 1.5) internal successors, (33), 23 states have internal predecessors, (33), 0 states have call successors, (0), 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 09:17:11,712 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2021-10-28 09:17:11,713 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 09:17:11,713 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 09:17:11,714 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 09:17:11,719 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:17:11,720 INFO L85 PathProgramCache]: Analyzing trace with hash 1098106774, now seen corresponding path program 1 times [2021-10-28 09:17:11,729 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:17:11,729 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [463663521] [2021-10-28 09:17:11,730 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:17:11,730 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:17:11,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:17:11,880 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 09:17:11,881 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 09:17:11,892 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [463663521] [2021-10-28 09:17:11,893 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [463663521] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 09:17:11,893 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 09:17:11,894 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-28 09:17:11,896 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [624721558] [2021-10-28 09:17:11,900 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-10-28 09:17:11,913 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 09:17:11,926 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-10-28 09:17:11,932 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-10-28 09:17:11,935 INFO L87 Difference]: Start difference. First operand has 24 states, 22 states have (on average 1.5) internal successors, (33), 23 states have internal predecessors, (33), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 2 states, 2 states have (on average 4.5) internal successors, (9), 2 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:17:11,965 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 09:17:11,965 INFO L93 Difference]: Finished difference Result 46 states and 64 transitions. [2021-10-28 09:17:11,966 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-28 09:17:11,967 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 4.5) internal successors, (9), 2 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 9 [2021-10-28 09:17:11,981 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 09:17:11,988 INFO L225 Difference]: With dead ends: 46 [2021-10-28 09:17:11,989 INFO L226 Difference]: Without dead ends: 20 [2021-10-28 09:17:11,991 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 09:17:12,027 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20 states. [2021-10-28 09:17:12,039 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20 to 20. [2021-10-28 09:17:12,041 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20 states, 19 states have (on average 1.1578947368421053) internal successors, (22), 19 states have internal predecessors, (22), 0 states have call successors, (0), 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 09:17:12,043 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 20 states and 22 transitions. [2021-10-28 09:17:12,045 INFO L78 Accepts]: Start accepts. Automaton has 20 states and 22 transitions. Word has length 9 [2021-10-28 09:17:12,045 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 09:17:12,046 INFO L470 AbstractCegarLoop]: Abstraction has 20 states and 22 transitions. [2021-10-28 09:17:12,047 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 4.5) internal successors, (9), 2 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:17:12,047 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 22 transitions. [2021-10-28 09:17:12,048 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2021-10-28 09:17:12,048 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 09:17:12,048 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 09:17:12,048 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-10-28 09:17:12,049 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 09:17:12,053 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:17:12,053 INFO L85 PathProgramCache]: Analyzing trace with hash -1395197259, now seen corresponding path program 1 times [2021-10-28 09:17:12,054 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:17:12,054 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1162613850] [2021-10-28 09:17:12,054 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:17:12,055 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:17:12,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:17:12,196 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 09:17:12,197 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 09:17:12,197 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1162613850] [2021-10-28 09:17:12,198 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1162613850] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 09:17:12,199 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 09:17:12,199 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-28 09:17:12,200 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2014994793] [2021-10-28 09:17:12,202 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-28 09:17:12,202 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 09:17:12,204 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-28 09:17:12,205 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-28 09:17:12,206 INFO L87 Difference]: Start difference. First operand 20 states and 22 transitions. Second operand has 4 states, 4 states have (on average 2.25) internal successors, (9), 3 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:17:12,276 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 09:17:12,277 INFO L93 Difference]: Finished difference Result 40 states and 45 transitions. [2021-10-28 09:17:12,277 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-28 09:17:12,278 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 2.25) internal successors, (9), 3 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 9 [2021-10-28 09:17:12,278 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 09:17:12,280 INFO L225 Difference]: With dead ends: 40 [2021-10-28 09:17:12,280 INFO L226 Difference]: Without dead ends: 30 [2021-10-28 09:17:12,282 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 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 09:17:12,283 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30 states. [2021-10-28 09:17:12,290 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30 to 22. [2021-10-28 09:17:12,291 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22 states, 21 states have (on average 1.1428571428571428) internal successors, (24), 21 states have internal predecessors, (24), 0 states have call successors, (0), 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 09:17:12,293 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 22 states and 24 transitions. [2021-10-28 09:17:12,294 INFO L78 Accepts]: Start accepts. Automaton has 22 states and 24 transitions. Word has length 9 [2021-10-28 09:17:12,294 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 09:17:12,294 INFO L470 AbstractCegarLoop]: Abstraction has 22 states and 24 transitions. [2021-10-28 09:17:12,295 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 2.25) internal successors, (9), 3 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:17:12,296 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 24 transitions. [2021-10-28 09:17:12,296 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-10-28 09:17:12,297 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 09:17:12,297 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 09:17:12,297 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-10-28 09:17:12,298 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 09:17:12,300 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:17:12,300 INFO L85 PathProgramCache]: Analyzing trace with hash 888694178, now seen corresponding path program 1 times [2021-10-28 09:17:12,301 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:17:12,301 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1219424247] [2021-10-28 09:17:12,302 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:17:12,303 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:17:12,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:17:12,438 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-10-28 09:17:12,439 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 09:17:12,463 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1219424247] [2021-10-28 09:17:12,463 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1219424247] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-28 09:17:12,463 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1968624154] [2021-10-28 09:17:12,464 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:17:12,464 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-28 09:17:12,464 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6221f8e5-4fd3-4fea-a851-f6edc99f44dc/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:17:12,471 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6221f8e5-4fd3-4fea-a851-f6edc99f44dc/bin/uautomizer-UnR33cPsHg/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-28 09:17:12,493 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6221f8e5-4fd3-4fea-a851-f6edc99f44dc/bin/uautomizer-UnR33cPsHg/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-10-28 09:17:12,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:17:12,588 INFO L263 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 4 conjunts are in the unsatisfiable core [2021-10-28 09:17:12,594 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 09:17:12,820 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-10-28 09:17:12,820 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1968624154] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-28 09:17:12,821 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-28 09:17:12,821 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 6 [2021-10-28 09:17:12,821 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1525056425] [2021-10-28 09:17:12,822 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-10-28 09:17:12,822 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 09:17:12,823 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-10-28 09:17:12,823 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=22, Unknown=0, NotChecked=0, Total=42 [2021-10-28 09:17:12,824 INFO L87 Difference]: Start difference. First operand 22 states and 24 transitions. Second operand has 7 states, 7 states have (on average 4.142857142857143) internal successors, (29), 6 states have internal predecessors, (29), 0 states have call successors, (0), 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 09:17:12,907 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 09:17:12,911 INFO L93 Difference]: Finished difference Result 57 states and 62 transitions. [2021-10-28 09:17:12,911 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-28 09:17:12,912 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 4.142857142857143) internal successors, (29), 6 states have internal predecessors, (29), 0 states have call successors, (0), 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 19 [2021-10-28 09:17:12,912 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 09:17:12,913 INFO L225 Difference]: With dead ends: 57 [2021-10-28 09:17:12,913 INFO L226 Difference]: Without dead ends: 46 [2021-10-28 09:17:12,914 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=20, Invalid=22, Unknown=0, NotChecked=0, Total=42 [2021-10-28 09:17:12,914 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 46 states. [2021-10-28 09:17:12,919 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 46 to 32. [2021-10-28 09:17:12,921 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 32 states, 31 states have (on average 1.096774193548387) internal successors, (34), 31 states have internal predecessors, (34), 0 states have call successors, (0), 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 09:17:12,922 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 32 states and 34 transitions. [2021-10-28 09:17:12,924 INFO L78 Accepts]: Start accepts. Automaton has 32 states and 34 transitions. Word has length 19 [2021-10-28 09:17:12,924 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 09:17:12,924 INFO L470 AbstractCegarLoop]: Abstraction has 32 states and 34 transitions. [2021-10-28 09:17:12,925 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 4.142857142857143) internal successors, (29), 6 states have internal predecessors, (29), 0 states have call successors, (0), 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 09:17:12,925 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 34 transitions. [2021-10-28 09:17:12,926 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-10-28 09:17:12,927 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 09:17:12,927 INFO L513 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 09:17:12,973 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6221f8e5-4fd3-4fea-a851-f6edc99f44dc/bin/uautomizer-UnR33cPsHg/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2021-10-28 09:17:13,153 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6221f8e5-4fd3-4fea-a851-f6edc99f44dc/bin/uautomizer-UnR33cPsHg/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-28 09:17:13,154 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 09:17:13,154 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:17:13,155 INFO L85 PathProgramCache]: Analyzing trace with hash 595210895, now seen corresponding path program 2 times [2021-10-28 09:17:13,155 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:17:13,155 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [823234155] [2021-10-28 09:17:13,155 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:17:13,156 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:17:13,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:17:13,268 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-10-28 09:17:13,268 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 09:17:13,269 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [823234155] [2021-10-28 09:17:13,270 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [823234155] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-28 09:17:13,270 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [639110263] [2021-10-28 09:17:13,270 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-10-28 09:17:13,271 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-28 09:17:13,271 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6221f8e5-4fd3-4fea-a851-f6edc99f44dc/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:17:13,272 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6221f8e5-4fd3-4fea-a851-f6edc99f44dc/bin/uautomizer-UnR33cPsHg/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-28 09:17:13,293 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6221f8e5-4fd3-4fea-a851-f6edc99f44dc/bin/uautomizer-UnR33cPsHg/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2021-10-28 09:17:13,362 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-10-28 09:17:13,362 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-10-28 09:17:13,363 INFO L263 TraceCheckSpWp]: Trace formula consists of 133 conjuncts, 5 conjunts are in the unsatisfiable core [2021-10-28 09:17:13,367 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 09:17:13,635 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-10-28 09:17:13,636 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [639110263] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-28 09:17:13,637 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-28 09:17:13,637 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 8 [2021-10-28 09:17:13,637 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1206277802] [2021-10-28 09:17:13,638 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2021-10-28 09:17:13,640 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 09:17:13,641 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-10-28 09:17:13,641 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=39, Unknown=0, NotChecked=0, Total=72 [2021-10-28 09:17:13,642 INFO L87 Difference]: Start difference. First operand 32 states and 34 transitions. Second operand has 9 states, 9 states have (on average 5.0) internal successors, (45), 8 states have internal predecessors, (45), 0 states have call successors, (0), 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 09:17:13,742 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 09:17:13,743 INFO L93 Difference]: Finished difference Result 75 states and 80 transitions. [2021-10-28 09:17:13,743 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-10-28 09:17:13,743 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 5.0) internal successors, (45), 8 states have internal predecessors, (45), 0 states have call successors, (0), 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 29 [2021-10-28 09:17:13,744 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 09:17:13,746 INFO L225 Difference]: With dead ends: 75 [2021-10-28 09:17:13,746 INFO L226 Difference]: Without dead ends: 62 [2021-10-28 09:17:13,748 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=33, Invalid=39, Unknown=0, NotChecked=0, Total=72 [2021-10-28 09:17:13,749 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 62 states. [2021-10-28 09:17:13,755 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 62 to 42. [2021-10-28 09:17:13,755 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 42 states, 41 states have (on average 1.0731707317073171) internal successors, (44), 41 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 09:17:13,756 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 42 states and 44 transitions. [2021-10-28 09:17:13,756 INFO L78 Accepts]: Start accepts. Automaton has 42 states and 44 transitions. Word has length 29 [2021-10-28 09:17:13,756 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 09:17:13,756 INFO L470 AbstractCegarLoop]: Abstraction has 42 states and 44 transitions. [2021-10-28 09:17:13,756 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 5.0) internal successors, (45), 8 states have internal predecessors, (45), 0 states have call successors, (0), 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 09:17:13,757 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 44 transitions. [2021-10-28 09:17:13,757 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2021-10-28 09:17:13,758 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 09:17:13,758 INFO L513 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 09:17:13,789 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6221f8e5-4fd3-4fea-a851-f6edc99f44dc/bin/uautomizer-UnR33cPsHg/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2021-10-28 09:17:13,958 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6221f8e5-4fd3-4fea-a851-f6edc99f44dc/bin/uautomizer-UnR33cPsHg/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-28 09:17:13,959 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 09:17:13,959 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:17:13,959 INFO L85 PathProgramCache]: Analyzing trace with hash -1584836228, now seen corresponding path program 3 times [2021-10-28 09:17:13,959 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:17:13,959 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [588114769] [2021-10-28 09:17:13,960 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:17:13,960 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:17:13,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:17:14,095 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 27 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2021-10-28 09:17:14,096 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 09:17:14,096 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [588114769] [2021-10-28 09:17:14,096 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [588114769] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-28 09:17:14,096 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1222157652] [2021-10-28 09:17:14,096 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2021-10-28 09:17:14,097 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-28 09:17:14,097 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6221f8e5-4fd3-4fea-a851-f6edc99f44dc/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:17:14,099 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6221f8e5-4fd3-4fea-a851-f6edc99f44dc/bin/uautomizer-UnR33cPsHg/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-28 09:17:14,113 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6221f8e5-4fd3-4fea-a851-f6edc99f44dc/bin/uautomizer-UnR33cPsHg/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2021-10-28 09:17:14,209 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) [2021-10-28 09:17:14,209 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-10-28 09:17:14,211 INFO L263 TraceCheckSpWp]: Trace formula consists of 164 conjuncts, 6 conjunts are in the unsatisfiable core [2021-10-28 09:17:14,214 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 09:17:14,617 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 27 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2021-10-28 09:17:14,618 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1222157652] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-28 09:17:14,618 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-28 09:17:14,618 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 10 [2021-10-28 09:17:14,619 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1648632929] [2021-10-28 09:17:14,619 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2021-10-28 09:17:14,620 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 09:17:14,620 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-10-28 09:17:14,621 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=49, Invalid=61, Unknown=0, NotChecked=0, Total=110 [2021-10-28 09:17:14,621 INFO L87 Difference]: Start difference. First operand 42 states and 44 transitions. Second operand has 11 states, 11 states have (on average 5.545454545454546) internal successors, (61), 10 states have internal predecessors, (61), 0 states have call successors, (0), 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 09:17:14,738 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 09:17:14,738 INFO L93 Difference]: Finished difference Result 93 states and 98 transitions. [2021-10-28 09:17:14,741 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-10-28 09:17:14,741 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 5.545454545454546) internal successors, (61), 10 states have internal predecessors, (61), 0 states have call successors, (0), 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 09:17:14,742 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 09:17:14,743 INFO L225 Difference]: With dead ends: 93 [2021-10-28 09:17:14,743 INFO L226 Difference]: Without dead ends: 78 [2021-10-28 09:17:14,750 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 35 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=49, Invalid=61, Unknown=0, NotChecked=0, Total=110 [2021-10-28 09:17:14,750 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 78 states. [2021-10-28 09:17:14,755 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 78 to 52. [2021-10-28 09:17:14,756 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 52 states, 51 states have (on average 1.0588235294117647) internal successors, (54), 51 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 09:17:14,756 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 52 states and 54 transitions. [2021-10-28 09:17:14,757 INFO L78 Accepts]: Start accepts. Automaton has 52 states and 54 transitions. Word has length 39 [2021-10-28 09:17:14,757 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 09:17:14,757 INFO L470 AbstractCegarLoop]: Abstraction has 52 states and 54 transitions. [2021-10-28 09:17:14,757 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 5.545454545454546) internal successors, (61), 10 states have internal predecessors, (61), 0 states have call successors, (0), 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 09:17:14,757 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 54 transitions. [2021-10-28 09:17:14,759 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2021-10-28 09:17:14,759 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 09:17:14,759 INFO L513 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 09:17:14,783 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6221f8e5-4fd3-4fea-a851-f6edc99f44dc/bin/uautomizer-UnR33cPsHg/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2021-10-28 09:17:14,964 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6221f8e5-4fd3-4fea-a851-f6edc99f44dc/bin/uautomizer-UnR33cPsHg/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-28 09:17:14,964 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 09:17:14,965 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:17:14,965 INFO L85 PathProgramCache]: Analyzing trace with hash -2033536407, now seen corresponding path program 4 times [2021-10-28 09:17:14,965 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:17:14,965 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1714779485] [2021-10-28 09:17:14,966 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:17:14,966 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:17:14,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:17:15,092 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 0 proven. 52 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2021-10-28 09:17:15,093 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 09:17:15,094 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1714779485] [2021-10-28 09:17:15,094 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1714779485] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-28 09:17:15,094 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1614540082] [2021-10-28 09:17:15,094 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2021-10-28 09:17:15,095 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-28 09:17:15,095 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6221f8e5-4fd3-4fea-a851-f6edc99f44dc/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:17:15,101 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6221f8e5-4fd3-4fea-a851-f6edc99f44dc/bin/uautomizer-UnR33cPsHg/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-28 09:17:15,123 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6221f8e5-4fd3-4fea-a851-f6edc99f44dc/bin/uautomizer-UnR33cPsHg/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2021-10-28 09:17:15,222 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-10-28 09:17:15,222 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-10-28 09:17:15,224 INFO L263 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 33 conjunts are in the unsatisfiable core [2021-10-28 09:17:15,228 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 09:17:15,283 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-10-28 09:17:15,284 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 23 treesize of output 19 [2021-10-28 09:17:15,632 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 43 treesize of output 26 [2021-10-28 09:17:15,882 INFO L354 Elim1Store]: treesize reduction 60, result has 24.1 percent of original size [2021-10-28 09:17:15,883 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 2 case distinctions, treesize of input 55 treesize of output 44 [2021-10-28 09:17:16,082 INFO L354 Elim1Store]: treesize reduction 60, result has 24.1 percent of original size [2021-10-28 09:17:16,082 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 2 case distinctions, treesize of input 58 treesize of output 47 [2021-10-28 09:17:16,205 INFO L354 Elim1Store]: treesize reduction 28, result has 3.4 percent of original size [2021-10-28 09:17:16,206 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 2 case distinctions, treesize of input 51 treesize of output 59 [2021-10-28 09:17:16,366 INFO L354 Elim1Store]: treesize reduction 136, result has 8.1 percent of original size [2021-10-28 09:17:16,366 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 7 case distinctions, treesize of input 83 treesize of output 100 [2021-10-28 09:17:16,615 INFO L354 Elim1Store]: treesize reduction 144, result has 10.6 percent of original size [2021-10-28 09:17:16,616 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 3 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 9 case distinctions, treesize of input 91 treesize of output 99 [2021-10-28 09:17:17,303 INFO L354 Elim1Store]: treesize reduction 1310, result has 7.4 percent of original size [2021-10-28 09:17:17,304 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 11 select indices, 11 select index equivalence classes, 0 disjoint index pairs (out of 55 index pairs), introduced 11 new quantified variables, introduced 66 case distinctions, treesize of input 134 treesize of output 157 [2021-10-28 09:17:18,104 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 8 proven. 60 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 09:17:18,104 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1614540082] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-28 09:17:18,104 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-28 09:17:18,104 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 18] total 24 [2021-10-28 09:17:18,105 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [171073169] [2021-10-28 09:17:18,105 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 24 states [2021-10-28 09:17:18,105 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 09:17:18,106 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2021-10-28 09:17:18,106 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=84, Invalid=468, Unknown=0, NotChecked=0, Total=552 [2021-10-28 09:17:18,107 INFO L87 Difference]: Start difference. First operand 52 states and 54 transitions. Second operand has 24 states, 24 states have (on average 3.7083333333333335) internal successors, (89), 24 states have internal predecessors, (89), 0 states have call successors, (0), 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 09:17:24,297 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 09:17:24,297 INFO L93 Difference]: Finished difference Result 81 states and 86 transitions. [2021-10-28 09:17:24,298 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-10-28 09:17:24,298 INFO L78 Accepts]: Start accepts. Automaton has has 24 states, 24 states have (on average 3.7083333333333335) internal successors, (89), 24 states have internal predecessors, (89), 0 states have call successors, (0), 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 49 [2021-10-28 09:17:24,299 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 09:17:24,299 INFO L225 Difference]: With dead ends: 81 [2021-10-28 09:17:24,299 INFO L226 Difference]: Without dead ends: 0 [2021-10-28 09:17:24,301 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 76 GetRequests, 33 SyntacticMatches, 0 SemanticMatches, 43 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 507 ImplicationChecksByTransitivity, 2.1s TimeCoverageRelationStatistics Valid=328, Invalid=1652, Unknown=0, NotChecked=0, Total=1980 [2021-10-28 09:17:24,301 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-10-28 09:17:24,301 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-10-28 09:17:24,302 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 09:17:24,302 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-10-28 09:17:24,302 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 49 [2021-10-28 09:17:24,302 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 09:17:24,302 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-28 09:17:24,303 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 24 states, 24 states have (on average 3.7083333333333335) internal successors, (89), 24 states have internal predecessors, (89), 0 states have call successors, (0), 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 09:17:24,303 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-10-28 09:17:24,303 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-10-28 09:17:24,306 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION [2021-10-28 09:17:24,329 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6221f8e5-4fd3-4fea-a851-f6edc99f44dc/bin/uautomizer-UnR33cPsHg/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2021-10-28 09:17:24,515 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6221f8e5-4fd3-4fea-a851-f6edc99f44dc/bin/uautomizer-UnR33cPsHg/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-28 09:17:24,517 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-10-28 09:17:24,520 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 09:17:24,522 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 09:17:24,537 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 09:17:24,558 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 09:17:25,263 INFO L857 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2021-10-28 09:17:25,264 INFO L857 garLoopResultBuilder]: For program point L32-2(lines 32 33) no Hoare annotation was computed. [2021-10-28 09:17:25,264 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-10-28 09:17:25,264 INFO L853 garLoopResultBuilder]: At program point L32-3(lines 32 33) the Hoare annotation is: false [2021-10-28 09:17:25,264 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-10-28 09:17:25,264 INFO L857 garLoopResultBuilder]: For program point L32-4(lines 32 33) no Hoare annotation was computed. [2021-10-28 09:17:25,264 INFO L857 garLoopResultBuilder]: For program point L28-2(lines 28 30) no Hoare annotation was computed. [2021-10-28 09:17:25,265 INFO L853 garLoopResultBuilder]: At program point L28-3(lines 28 30) the Hoare annotation is: (let ((.cse15 (select |#memory_int| |ULTIMATE.start_main_~#c~0.base|)) (.cse16 (select |#memory_int| |ULTIMATE.start_main_~#a~0.base|)) (.cse13 (select |#memory_int| |ULTIMATE.start_main_~#b~0.base|))) (let ((.cse18 (select .cse13 (+ |ULTIMATE.start_main_~#b~0.offset| 4))) (.cse19 (select .cse16 (+ |ULTIMATE.start_main_~#a~0.offset| 4))) (.cse20 (select .cse15 (+ |ULTIMATE.start_main_~#c~0.offset| 4)))) (let ((.cse0 (exists ((v_ULTIMATE.start_main_~i~0_32 Int)) (and (let ((.cse21 (* v_ULTIMATE.start_main_~i~0_32 4))) (= (+ (select (select |#memory_int| |ULTIMATE.start_main_~#b~0.base|) (+ .cse21 |ULTIMATE.start_main_~#b~0.offset|)) (select (select |#memory_int| |ULTIMATE.start_main_~#c~0.base|) (+ .cse21 |ULTIMATE.start_main_~#c~0.offset|))) (select (select |#memory_int| |ULTIMATE.start_main_~#a~0.base|) (+ .cse21 |ULTIMATE.start_main_~#a~0.offset|)))) (<= (+ v_ULTIMATE.start_main_~i~0_32 1) ULTIMATE.start_main_~i~0) (<= 2 v_ULTIMATE.start_main_~i~0_32)))) (.cse4 (< 0 .cse20)) (.cse3 (= (select .cse16 |ULTIMATE.start_main_~#a~0.offset|) (+ (select .cse15 |ULTIMATE.start_main_~#c~0.offset|) (select .cse13 |ULTIMATE.start_main_~#b~0.offset|)))) (.cse12 (= (+ .cse18 .cse20) .cse19)) (.cse1 (not (= |ULTIMATE.start_main_~#a~0.base| |ULTIMATE.start_main_~#b~0.base|))) (.cse17 (< .cse18 .cse19)) (.cse2 (not (= |ULTIMATE.start_main_~#b~0.base| |ULTIMATE.start_main_~#c~0.base|))) (.cse5 (<= 100000 ~N~0)) (.cse11 (not (= |ULTIMATE.start_main_~#a~0.base| |ULTIMATE.start_main_~#c~0.base|)))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 (exists ((|ULTIMATE.start_main_~#b~0.offset| Int) (|ULTIMATE.start_main_~#b~0.base| Int) (|ULTIMATE.start_main_~#a~0.offset| Int) (ULTIMATE.start_main_~i~0 Int) (|ULTIMATE.start_main_~#a~0.base| Int) (v_ULTIMATE.start_main_~i~0_32 Int)) (let ((.cse8 (select |#memory_int| |ULTIMATE.start_main_~#b~0.base|)) (.cse7 (select |#memory_int| |ULTIMATE.start_main_~#c~0.base|)) (.cse6 (select |#memory_int| |ULTIMATE.start_main_~#a~0.base|))) (and (not (= |ULTIMATE.start_main_~#a~0.base| |ULTIMATE.start_main_~#b~0.base|)) (not (= |ULTIMATE.start_main_~#b~0.base| |ULTIMATE.start_main_~#c~0.base|)) (= (select .cse6 |ULTIMATE.start_main_~#a~0.offset|) (+ (select .cse7 |ULTIMATE.start_main_~#c~0.offset|) (select .cse8 |ULTIMATE.start_main_~#b~0.offset|))) (let ((.cse9 (* v_ULTIMATE.start_main_~i~0_32 4))) (= (+ (select .cse8 (+ .cse9 |ULTIMATE.start_main_~#b~0.offset|)) (select .cse7 (+ .cse9 |ULTIMATE.start_main_~#c~0.offset|))) (select .cse6 (+ .cse9 |ULTIMATE.start_main_~#a~0.offset|)))) (not (= |ULTIMATE.start_main_~#a~0.base| |ULTIMATE.start_main_~#c~0.base|)) (<= (+ v_ULTIMATE.start_main_~i~0_32 1) ULTIMATE.start_main_~i~0) (let ((.cse10 (* ULTIMATE.start_main_~i~0 4))) (= (select .cse6 (+ |ULTIMATE.start_main_~#a~0.offset| .cse10)) (+ (select .cse8 (+ |ULTIMATE.start_main_~#b~0.offset| .cse10)) (select .cse7 (+ |ULTIMATE.start_main_~#c~0.offset| .cse10))))) (<= 2 v_ULTIMATE.start_main_~i~0_32) (= (+ (select .cse8 (+ |ULTIMATE.start_main_~#b~0.offset| 4)) (select .cse7 (+ |ULTIMATE.start_main_~#c~0.offset| 4))) (select .cse6 (+ |ULTIMATE.start_main_~#a~0.offset| 4)))))) .cse11 .cse12) (and (let ((.cse14 (* ULTIMATE.start_main_~i~0 4))) (= (+ (select .cse13 (+ |ULTIMATE.start_main_~#b~0.offset| (- 4) .cse14)) (select .cse15 (+ |ULTIMATE.start_main_~#c~0.offset| (- 4) .cse14))) (select .cse16 (+ |ULTIMATE.start_main_~#a~0.offset| (- 4) .cse14)))) .cse1 .cse17 .cse2 .cse5 (= ULTIMATE.start_main_~i~0 1) .cse11) (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse11 (<= ULTIMATE.start_main_~i~0 3) .cse12) (and .cse1 (<= 2 ULTIMATE.start_main_~i~0) .cse17 .cse2 .cse3 (<= ULTIMATE.start_main_~i~0 2) .cse11 (<= (+ 99998 ULTIMATE.start_main_~i~0) ~N~0) .cse12) (and .cse1 .cse17 .cse2 (= ULTIMATE.start_main_~i~0 0) .cse5 .cse11))))) [2021-10-28 09:17:25,265 INFO L857 garLoopResultBuilder]: For program point L28-4(lines 28 30) no Hoare annotation was computed. [2021-10-28 09:17:25,265 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 8) no Hoare annotation was computed. [2021-10-28 09:17:25,265 INFO L857 garLoopResultBuilder]: For program point L8(line 8) no Hoare annotation was computed. [2021-10-28 09:17:25,266 INFO L857 garLoopResultBuilder]: For program point L8-1(line 8) no Hoare annotation was computed. [2021-10-28 09:17:25,266 INFO L857 garLoopResultBuilder]: For program point L8-3(line 8) no Hoare annotation was computed. [2021-10-28 09:17:25,266 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-10-28 09:17:25,266 INFO L857 garLoopResultBuilder]: For program point L5(lines 5 7) no Hoare annotation was computed. [2021-10-28 09:17:25,266 INFO L857 garLoopResultBuilder]: For program point L5-1(lines 5 7) no Hoare annotation was computed. [2021-10-28 09:17:25,266 INFO L857 garLoopResultBuilder]: For program point L5-2(lines 5 7) no Hoare annotation was computed. [2021-10-28 09:17:25,266 INFO L860 garLoopResultBuilder]: At program point L34(lines 11 35) the Hoare annotation is: true [2021-10-28 09:17:25,266 INFO L857 garLoopResultBuilder]: For program point L18-2(lines 18 26) no Hoare annotation was computed. [2021-10-28 09:17:25,267 INFO L853 garLoopResultBuilder]: At program point L18-3(lines 18 26) the Hoare annotation is: (let ((.cse1 (< (select (select |#memory_int| |ULTIMATE.start_main_~#b~0.base|) (+ |ULTIMATE.start_main_~#b~0.offset| 4)) (select (select |#memory_int| |ULTIMATE.start_main_~#a~0.base|) (+ |ULTIMATE.start_main_~#a~0.offset| 4)))) (.cse0 (not (= |ULTIMATE.start_main_~#a~0.base| |ULTIMATE.start_main_~#b~0.base|))) (.cse2 (not (= |ULTIMATE.start_main_~#b~0.base| |ULTIMATE.start_main_~#c~0.base|))) (.cse4 (<= 100000 ~N~0)) (.cse3 (not (= |ULTIMATE.start_main_~#a~0.base| |ULTIMATE.start_main_~#c~0.base|)))) (or (and .cse0 (<= 2 ULTIMATE.start_main_~i~0) .cse1 .cse2 .cse3 (<= (+ 99998 ULTIMATE.start_main_~i~0) ~N~0)) (and .cse0 .cse1 .cse2 (<= 3 ULTIMATE.start_main_~i~0) .cse4 .cse3) (and .cse0 .cse2 .cse4 (= ULTIMATE.start_main_~i~0 1) .cse3) (and .cse0 .cse2 (= ULTIMATE.start_main_~i~0 0) .cse4 .cse3))) [2021-10-28 09:17:25,267 INFO L857 garLoopResultBuilder]: For program point L18-4(lines 18 26) no Hoare annotation was computed. [2021-10-28 09:17:25,267 INFO L857 garLoopResultBuilder]: For program point L6(line 6) no Hoare annotation was computed. [2021-10-28 09:17:25,267 INFO L857 garLoopResultBuilder]: For program point L6-2(line 6) no Hoare annotation was computed. [2021-10-28 09:17:25,267 INFO L857 garLoopResultBuilder]: For program point L6-4(line 6) no Hoare annotation was computed. [2021-10-28 09:17:25,271 INFO L731 BasicCegarLoop]: Path program histogram: [4, 1, 1] [2021-10-28 09:17:25,272 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-10-28 09:17:25,293 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_32,QUANTIFIED] [2021-10-28 09:17:25,294 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_32,QUANTIFIED] [2021-10-28 09:17:25,294 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_32,QUANTIFIED] [2021-10-28 09:17:25,294 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_32,QUANTIFIED] [2021-10-28 09:17:25,295 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_32,QUANTIFIED] [2021-10-28 09:17:25,295 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~#a~0.base,QUANTIFIED] [2021-10-28 09:17:25,295 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~#b~0.base,QUANTIFIED] [2021-10-28 09:17:25,295 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~#b~0.base,QUANTIFIED] [2021-10-28 09:17:25,296 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~#a~0.base,QUANTIFIED] [2021-10-28 09:17:25,296 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~#a~0.offset,QUANTIFIED] [2021-10-28 09:17:25,296 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~#b~0.base,QUANTIFIED] [2021-10-28 09:17:25,296 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~#b~0.offset,QUANTIFIED] [2021-10-28 09:17:25,296 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~#b~0.base,QUANTIFIED] [2021-10-28 09:17:25,297 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_32,QUANTIFIED] [2021-10-28 09:17:25,297 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~#b~0.offset,QUANTIFIED] [2021-10-28 09:17:25,297 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_32,QUANTIFIED] [2021-10-28 09:17:25,297 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~#a~0.base,QUANTIFIED] [2021-10-28 09:17:25,298 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_32,QUANTIFIED] [2021-10-28 09:17:25,298 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~#a~0.offset,QUANTIFIED] [2021-10-28 09:17:25,298 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~#a~0.base,QUANTIFIED] [2021-10-28 09:17:25,298 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_32,QUANTIFIED] [2021-10-28 09:17:25,298 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~i~0,QUANTIFIED] [2021-10-28 09:17:25,298 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~#a~0.base,QUANTIFIED] [2021-10-28 09:17:25,299 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~#a~0.offset,QUANTIFIED] [2021-10-28 09:17:25,299 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~i~0,QUANTIFIED] [2021-10-28 09:17:25,299 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~#b~0.base,QUANTIFIED] [2021-10-28 09:17:25,299 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~#b~0.offset,QUANTIFIED] [2021-10-28 09:17:25,299 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~i~0,QUANTIFIED] [2021-10-28 09:17:25,299 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~i~0,QUANTIFIED] [2021-10-28 09:17:25,300 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_32,QUANTIFIED] [2021-10-28 09:17:25,300 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~#b~0.base,QUANTIFIED] [2021-10-28 09:17:25,300 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~#b~0.offset,QUANTIFIED] [2021-10-28 09:17:25,300 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~#a~0.base,QUANTIFIED] [2021-10-28 09:17:25,300 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~#a~0.offset,QUANTIFIED] [2021-10-28 09:17:25,301 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_32,QUANTIFIED] [2021-10-28 09:17:25,301 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_32,QUANTIFIED] [2021-10-28 09:17:25,301 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_32,QUANTIFIED] [2021-10-28 09:17:25,302 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_32,QUANTIFIED] [2021-10-28 09:17:25,302 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_32,QUANTIFIED] [2021-10-28 09:17:25,308 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_32,QUANTIFIED] [2021-10-28 09:17:25,308 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_32,QUANTIFIED] [2021-10-28 09:17:25,308 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_32,QUANTIFIED] [2021-10-28 09:17:25,309 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_32,QUANTIFIED] [2021-10-28 09:17:25,309 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_32,QUANTIFIED] [2021-10-28 09:17:25,309 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~#a~0.base,QUANTIFIED] [2021-10-28 09:17:25,309 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~#b~0.base,QUANTIFIED] [2021-10-28 09:17:25,310 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~#b~0.base,QUANTIFIED] [2021-10-28 09:17:25,310 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~#a~0.base,QUANTIFIED] [2021-10-28 09:17:25,310 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~#a~0.offset,QUANTIFIED] [2021-10-28 09:17:25,310 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~#b~0.base,QUANTIFIED] [2021-10-28 09:17:25,310 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~#b~0.offset,QUANTIFIED] [2021-10-28 09:17:25,311 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~#b~0.base,QUANTIFIED] [2021-10-28 09:17:25,311 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_32,QUANTIFIED] [2021-10-28 09:17:25,311 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~#b~0.offset,QUANTIFIED] [2021-10-28 09:17:25,311 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_32,QUANTIFIED] [2021-10-28 09:17:25,311 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~#a~0.base,QUANTIFIED] [2021-10-28 09:17:25,312 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_32,QUANTIFIED] [2021-10-28 09:17:25,312 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~#a~0.offset,QUANTIFIED] [2021-10-28 09:17:25,312 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~#a~0.base,QUANTIFIED] [2021-10-28 09:17:25,312 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_32,QUANTIFIED] [2021-10-28 09:17:25,312 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~i~0,QUANTIFIED] [2021-10-28 09:17:25,312 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~#a~0.base,QUANTIFIED] [2021-10-28 09:17:25,313 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~#a~0.offset,QUANTIFIED] [2021-10-28 09:17:25,313 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~i~0,QUANTIFIED] [2021-10-28 09:17:25,313 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~#b~0.base,QUANTIFIED] [2021-10-28 09:17:25,313 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~#b~0.offset,QUANTIFIED] [2021-10-28 09:17:25,313 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~i~0,QUANTIFIED] [2021-10-28 09:17:25,313 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~i~0,QUANTIFIED] [2021-10-28 09:17:25,314 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_32,QUANTIFIED] [2021-10-28 09:17:25,314 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~#b~0.base,QUANTIFIED] [2021-10-28 09:17:25,314 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~#b~0.offset,QUANTIFIED] [2021-10-28 09:17:25,314 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~#a~0.base,QUANTIFIED] [2021-10-28 09:17:25,314 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~#a~0.offset,QUANTIFIED] [2021-10-28 09:17:25,315 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_32,QUANTIFIED] [2021-10-28 09:17:25,315 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_32,QUANTIFIED] [2021-10-28 09:17:25,315 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_32,QUANTIFIED] [2021-10-28 09:17:25,316 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_32,QUANTIFIED] [2021-10-28 09:17:25,316 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_32,QUANTIFIED] [2021-10-28 09:17:25,321 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.10 09:17:25 BoogieIcfgContainer [2021-10-28 09:17:25,321 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-28 09:17:25,322 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-28 09:17:25,322 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-28 09:17:25,322 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-28 09:17:25,323 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 09:17:11" (3/4) ... [2021-10-28 09:17:25,326 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-10-28 09:17:25,337 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 14 nodes and edges [2021-10-28 09:17:25,337 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2021-10-28 09:17:25,338 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-28 09:17:25,338 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-28 09:17:25,363 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((((((\exists v_ULTIMATE.start_main_~i~0_32 : int :: (unknown-#memory_int-unknown[b][v_ULTIMATE.start_main_~i~0_32 * 4 + b] + unknown-#memory_int-unknown[c][v_ULTIMATE.start_main_~i~0_32 * 4 + c] == unknown-#memory_int-unknown[a][v_ULTIMATE.start_main_~i~0_32 * 4 + a] && v_ULTIMATE.start_main_~i~0_32 + 1 <= i) && 2 <= v_ULTIMATE.start_main_~i~0_32) && !(a == b)) && !(b == c)) && unknown-#memory_int-unknown[a][a] == unknown-#memory_int-unknown[c][c] + unknown-#memory_int-unknown[b][b]) && 0 < unknown-#memory_int-unknown[c][c + 4]) && 100000 <= N) && (\exists ULTIMATE.start_main_~#b~0.offset : int, ULTIMATE.start_main_~#b~0.base : int, ULTIMATE.start_main_~#a~0.offset : int, ULTIMATE.start_main_~i~0 : int, ULTIMATE.start_main_~#a~0.base : int, v_ULTIMATE.start_main_~i~0_32 : int :: (((((((!(ULTIMATE.start_main_~#a~0.base == ULTIMATE.start_main_~#b~0.base) && !(ULTIMATE.start_main_~#b~0.base == c)) && unknown-#memory_int-unknown[ULTIMATE.start_main_~#a~0.base][ULTIMATE.start_main_~#a~0.offset] == unknown-#memory_int-unknown[c][c] + unknown-#memory_int-unknown[ULTIMATE.start_main_~#b~0.base][ULTIMATE.start_main_~#b~0.offset]) && unknown-#memory_int-unknown[ULTIMATE.start_main_~#b~0.base][v_ULTIMATE.start_main_~i~0_32 * 4 + ULTIMATE.start_main_~#b~0.offset] + unknown-#memory_int-unknown[c][v_ULTIMATE.start_main_~i~0_32 * 4 + c] == unknown-#memory_int-unknown[ULTIMATE.start_main_~#a~0.base][v_ULTIMATE.start_main_~i~0_32 * 4 + ULTIMATE.start_main_~#a~0.offset]) && !(ULTIMATE.start_main_~#a~0.base == c)) && v_ULTIMATE.start_main_~i~0_32 + 1 <= ULTIMATE.start_main_~i~0) && unknown-#memory_int-unknown[ULTIMATE.start_main_~#a~0.base][ULTIMATE.start_main_~#a~0.offset + ULTIMATE.start_main_~i~0 * 4] == unknown-#memory_int-unknown[ULTIMATE.start_main_~#b~0.base][ULTIMATE.start_main_~#b~0.offset + ULTIMATE.start_main_~i~0 * 4] + unknown-#memory_int-unknown[c][c + ULTIMATE.start_main_~i~0 * 4]) && 2 <= v_ULTIMATE.start_main_~i~0_32) && unknown-#memory_int-unknown[ULTIMATE.start_main_~#b~0.base][ULTIMATE.start_main_~#b~0.offset + 4] + unknown-#memory_int-unknown[c][c + 4] == unknown-#memory_int-unknown[ULTIMATE.start_main_~#a~0.base][ULTIMATE.start_main_~#a~0.offset + 4])) && !(a == c)) && unknown-#memory_int-unknown[b][b + 4] + unknown-#memory_int-unknown[c][c + 4] == unknown-#memory_int-unknown[a][a + 4]) || ((((((unknown-#memory_int-unknown[b][b + -4 + i * 4] + unknown-#memory_int-unknown[c][c + -4 + i * 4] == unknown-#memory_int-unknown[a][a + -4 + i * 4] && !(a == b)) && unknown-#memory_int-unknown[b][b + 4] < unknown-#memory_int-unknown[a][a + 4]) && !(b == c)) && 100000 <= N) && i == 1) && !(a == c))) || (((((((((\exists v_ULTIMATE.start_main_~i~0_32 : int :: (unknown-#memory_int-unknown[b][v_ULTIMATE.start_main_~i~0_32 * 4 + b] + unknown-#memory_int-unknown[c][v_ULTIMATE.start_main_~i~0_32 * 4 + c] == unknown-#memory_int-unknown[a][v_ULTIMATE.start_main_~i~0_32 * 4 + a] && v_ULTIMATE.start_main_~i~0_32 + 1 <= i) && 2 <= v_ULTIMATE.start_main_~i~0_32) && !(a == b)) && !(b == c)) && unknown-#memory_int-unknown[a][a] == unknown-#memory_int-unknown[c][c] + unknown-#memory_int-unknown[b][b]) && 0 < unknown-#memory_int-unknown[c][c + 4]) && 100000 <= N) && !(a == c)) && i <= 3) && unknown-#memory_int-unknown[b][b + 4] + unknown-#memory_int-unknown[c][c + 4] == unknown-#memory_int-unknown[a][a + 4])) || ((((((((!(a == b) && 2 <= i) && unknown-#memory_int-unknown[b][b + 4] < unknown-#memory_int-unknown[a][a + 4]) && !(b == c)) && unknown-#memory_int-unknown[a][a] == unknown-#memory_int-unknown[c][c] + unknown-#memory_int-unknown[b][b]) && i <= 2) && !(a == c)) && 99998 + i <= N) && unknown-#memory_int-unknown[b][b + 4] + unknown-#memory_int-unknown[c][c + 4] == unknown-#memory_int-unknown[a][a + 4])) || (((((!(a == b) && unknown-#memory_int-unknown[b][b + 4] < unknown-#memory_int-unknown[a][a + 4]) && !(b == c)) && i == 0) && 100000 <= N) && !(a == c)) [2021-10-28 09:17:25,378 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6221f8e5-4fd3-4fea-a851-f6edc99f44dc/bin/uautomizer-UnR33cPsHg/witness.graphml [2021-10-28 09:17:25,383 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-28 09:17:25,384 INFO L168 Benchmark]: Toolchain (without parser) took 14555.16 ms. Allocated memory was 102.8 MB in the beginning and 151.0 MB in the end (delta: 48.2 MB). Free memory was 60.9 MB in the beginning and 85.4 MB in the end (delta: -24.5 MB). Peak memory consumption was 22.7 MB. Max. memory is 16.1 GB. [2021-10-28 09:17:25,384 INFO L168 Benchmark]: CDTParser took 0.34 ms. Allocated memory is still 102.8 MB. Free memory is still 77.4 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-28 09:17:25,385 INFO L168 Benchmark]: CACSL2BoogieTranslator took 257.99 ms. Allocated memory is still 102.8 MB. Free memory was 60.7 MB in the beginning and 76.1 MB in the end (delta: -15.4 MB). Peak memory consumption was 6.4 MB. Max. memory is 16.1 GB. [2021-10-28 09:17:25,386 INFO L168 Benchmark]: Boogie Procedure Inliner took 71.09 ms. Allocated memory is still 102.8 MB. Free memory was 76.1 MB in the beginning and 74.8 MB in the end (delta: 1.3 MB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-28 09:17:25,386 INFO L168 Benchmark]: Boogie Preprocessor took 57.88 ms. Allocated memory is still 102.8 MB. Free memory was 74.8 MB in the beginning and 73.6 MB in the end (delta: 1.3 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-28 09:17:25,386 INFO L168 Benchmark]: RCFGBuilder took 405.55 ms. Allocated memory is still 102.8 MB. Free memory was 73.2 MB in the beginning and 62.3 MB in the end (delta: 10.9 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-10-28 09:17:25,387 INFO L168 Benchmark]: TraceAbstraction took 13694.79 ms. Allocated memory was 102.8 MB in the beginning and 151.0 MB in the end (delta: 48.2 MB). Free memory was 61.9 MB in the beginning and 88.5 MB in the end (delta: -26.7 MB). Peak memory consumption was 22.6 MB. Max. memory is 16.1 GB. [2021-10-28 09:17:25,388 INFO L168 Benchmark]: Witness Printer took 61.00 ms. Allocated memory is still 151.0 MB. Free memory was 88.5 MB in the beginning and 85.4 MB in the end (delta: 3.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-28 09:17:25,390 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 102.8 MB. Free memory is still 77.4 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 257.99 ms. Allocated memory is still 102.8 MB. Free memory was 60.7 MB in the beginning and 76.1 MB in the end (delta: -15.4 MB). Peak memory consumption was 6.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 71.09 ms. Allocated memory is still 102.8 MB. Free memory was 76.1 MB in the beginning and 74.8 MB in the end (delta: 1.3 MB). There was no memory consumed. Max. memory is 16.1 GB. * Boogie Preprocessor took 57.88 ms. Allocated memory is still 102.8 MB. Free memory was 74.8 MB in the beginning and 73.6 MB in the end (delta: 1.3 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 405.55 ms. Allocated memory is still 102.8 MB. Free memory was 73.2 MB in the beginning and 62.3 MB in the end (delta: 10.9 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * TraceAbstraction took 13694.79 ms. Allocated memory was 102.8 MB in the beginning and 151.0 MB in the end (delta: 48.2 MB). Free memory was 61.9 MB in the beginning and 88.5 MB in the end (delta: -26.7 MB). Peak memory consumption was 22.6 MB. Max. memory is 16.1 GB. * Witness Printer took 61.00 ms. Allocated memory is still 151.0 MB. Free memory was 88.5 MB in the beginning and 85.4 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_32,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_32,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_32,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_32,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_32,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_~#b~0.base,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~#b~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.offset,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~#b~0.base,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~#b~0.offset,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~#b~0.base,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_32,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~#b~0.offset,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_32,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_32,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~#a~0.offset,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_32,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~i~0,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.offset,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~i~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~#b~0.base,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~#b~0.offset,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~i~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~i~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_32,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~#b~0.base,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~#b~0.offset,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.offset,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_32,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_32,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_32,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_32,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_32,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_32,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_32,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_32,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_32,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_32,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_~#b~0.base,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~#b~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.offset,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~#b~0.base,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~#b~0.offset,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~#b~0.base,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_32,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~#b~0.offset,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_32,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_32,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~#a~0.offset,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_32,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~i~0,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.offset,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~i~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~#b~0.base,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~#b~0.offset,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~i~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~i~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_32,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~#b~0.base,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~#b~0.offset,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.offset,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_32,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_32,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_32,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_32,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_32,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: 8]: 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, 24 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 13.5s, OverallIterations: 6, TraceHistogramMax: 4, PathProgramHistogramMax: 4, EmptinessCheckTime: 0.0s, AutomataDifference: 6.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.7s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 96 SDtfs, 391 SDslu, 361 SDs, 0 SdLazy, 526 SolverSat, 130 SolverUnsat, 2 SolverUnknown, 0 SolverNotchecked, 4.7s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 180 GetRequests, 114 SyntacticMatches, 0 SemanticMatches, 66 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 538 ImplicationChecksByTransitivity, 2.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=52occurred in iteration=5, InterpolantAutomatonStates: 48, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 6 MinimizatonAttempts, 68 StatesRemovedByMinimization, 4 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 4 LocationsWithAnnotation, 4 PreInvPairs, 17 NumberOfFragments, 622 HoareAnnotationTreeSize, 4 FomulaSimplifications, 310 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 4 FomulaSimplificationsInter, 20 FormulaSimplificationTreeSizeReductionInter, 0.6s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 4.3s InterpolantComputationTime, 290 NumberOfCodeBlocks, 281 NumberOfCodeBlocksAsserted, 14 NumberOfCheckSat, 280 ConstructedInterpolants, 4 QuantifiedInterpolants, 2708 SizeOfPredicates, 20 NumberOfNonLiveVariables, 495 ConjunctsInSsa, 48 ConjunctsInUnsatCore, 10 InterpolantComputations, 2 PerfectInterpolantSequences, 52/240 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: 11]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 32]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 18]: Loop Invariant Derived loop invariant: (((((((!(a == b) && 2 <= i) && unknown-#memory_int-unknown[b][b + 4] < unknown-#memory_int-unknown[a][a + 4]) && !(b == c)) && !(a == c)) && 99998 + i <= N) || (((((!(a == b) && unknown-#memory_int-unknown[b][b + 4] < unknown-#memory_int-unknown[a][a + 4]) && !(b == c)) && 3 <= i) && 100000 <= N) && !(a == c))) || ((((!(a == b) && !(b == c)) && 100000 <= N) && i == 1) && !(a == c))) || ((((!(a == b) && !(b == c)) && i == 0) && 100000 <= N) && !(a == c)) - InvariantResult [Line: 28]: Loop Invariant [2021-10-28 09:17:25,430 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_32,QUANTIFIED] [2021-10-28 09:17:25,430 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_32,QUANTIFIED] [2021-10-28 09:17:25,431 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_32,QUANTIFIED] [2021-10-28 09:17:25,431 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_32,QUANTIFIED] [2021-10-28 09:17:25,431 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_32,QUANTIFIED] [2021-10-28 09:17:25,431 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~#a~0.base,QUANTIFIED] [2021-10-28 09:17:25,432 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~#b~0.base,QUANTIFIED] [2021-10-28 09:17:25,432 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~#b~0.base,QUANTIFIED] [2021-10-28 09:17:25,432 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~#a~0.base,QUANTIFIED] [2021-10-28 09:17:25,432 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~#a~0.offset,QUANTIFIED] [2021-10-28 09:17:25,433 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~#b~0.base,QUANTIFIED] [2021-10-28 09:17:25,435 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~#b~0.offset,QUANTIFIED] [2021-10-28 09:17:25,435 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~#b~0.base,QUANTIFIED] [2021-10-28 09:17:25,435 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_32,QUANTIFIED] [2021-10-28 09:17:25,435 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~#b~0.offset,QUANTIFIED] [2021-10-28 09:17:25,436 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_32,QUANTIFIED] [2021-10-28 09:17:25,436 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~#a~0.base,QUANTIFIED] [2021-10-28 09:17:25,436 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_32,QUANTIFIED] [2021-10-28 09:17:25,436 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~#a~0.offset,QUANTIFIED] [2021-10-28 09:17:25,437 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~#a~0.base,QUANTIFIED] [2021-10-28 09:17:25,437 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_32,QUANTIFIED] [2021-10-28 09:17:25,437 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~i~0,QUANTIFIED] [2021-10-28 09:17:25,437 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~#a~0.base,QUANTIFIED] [2021-10-28 09:17:25,437 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~#a~0.offset,QUANTIFIED] [2021-10-28 09:17:25,438 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~i~0,QUANTIFIED] [2021-10-28 09:17:25,438 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~#b~0.base,QUANTIFIED] [2021-10-28 09:17:25,438 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~#b~0.offset,QUANTIFIED] [2021-10-28 09:17:25,438 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~i~0,QUANTIFIED] [2021-10-28 09:17:25,438 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~i~0,QUANTIFIED] [2021-10-28 09:17:25,439 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_32,QUANTIFIED] [2021-10-28 09:17:25,439 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~#b~0.base,QUANTIFIED] [2021-10-28 09:17:25,439 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~#b~0.offset,QUANTIFIED] [2021-10-28 09:17:25,439 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~#a~0.base,QUANTIFIED] [2021-10-28 09:17:25,439 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~#a~0.offset,QUANTIFIED] [2021-10-28 09:17:25,440 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_32,QUANTIFIED] [2021-10-28 09:17:25,440 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_32,QUANTIFIED] [2021-10-28 09:17:25,440 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_32,QUANTIFIED] [2021-10-28 09:17:25,440 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_32,QUANTIFIED] [2021-10-28 09:17:25,440 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_32,QUANTIFIED] [2021-10-28 09:17:25,444 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_32,QUANTIFIED] [2021-10-28 09:17:25,453 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_32,QUANTIFIED] [2021-10-28 09:17:25,453 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_32,QUANTIFIED] [2021-10-28 09:17:25,453 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_32,QUANTIFIED] [2021-10-28 09:17:25,454 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_32,QUANTIFIED] [2021-10-28 09:17:25,454 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~#a~0.base,QUANTIFIED] [2021-10-28 09:17:25,454 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~#b~0.base,QUANTIFIED] [2021-10-28 09:17:25,454 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~#b~0.base,QUANTIFIED] [2021-10-28 09:17:25,454 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~#a~0.base,QUANTIFIED] [2021-10-28 09:17:25,455 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~#a~0.offset,QUANTIFIED] [2021-10-28 09:17:25,455 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~#b~0.base,QUANTIFIED] [2021-10-28 09:17:25,455 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~#b~0.offset,QUANTIFIED] [2021-10-28 09:17:25,455 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~#b~0.base,QUANTIFIED] [2021-10-28 09:17:25,455 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_32,QUANTIFIED] [2021-10-28 09:17:25,460 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~#b~0.offset,QUANTIFIED] [2021-10-28 09:17:25,460 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_32,QUANTIFIED] [2021-10-28 09:17:25,460 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~#a~0.base,QUANTIFIED] [2021-10-28 09:17:25,460 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_32,QUANTIFIED] [2021-10-28 09:17:25,461 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~#a~0.offset,QUANTIFIED] [2021-10-28 09:17:25,461 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~#a~0.base,QUANTIFIED] [2021-10-28 09:17:25,461 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_32,QUANTIFIED] [2021-10-28 09:17:25,461 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~i~0,QUANTIFIED] [2021-10-28 09:17:25,461 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~#a~0.base,QUANTIFIED] [2021-10-28 09:17:25,462 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~#a~0.offset,QUANTIFIED] [2021-10-28 09:17:25,462 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~i~0,QUANTIFIED] [2021-10-28 09:17:25,462 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~#b~0.base,QUANTIFIED] [2021-10-28 09:17:25,462 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~#b~0.offset,QUANTIFIED] [2021-10-28 09:17:25,462 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~i~0,QUANTIFIED] [2021-10-28 09:17:25,463 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~i~0,QUANTIFIED] [2021-10-28 09:17:25,463 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_32,QUANTIFIED] [2021-10-28 09:17:25,463 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~#b~0.base,QUANTIFIED] [2021-10-28 09:17:25,463 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~#b~0.offset,QUANTIFIED] [2021-10-28 09:17:25,463 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~#a~0.base,QUANTIFIED] [2021-10-28 09:17:25,463 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~#a~0.offset,QUANTIFIED] [2021-10-28 09:17:25,464 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_32,QUANTIFIED] [2021-10-28 09:17:25,464 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_32,QUANTIFIED] [2021-10-28 09:17:25,464 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_32,QUANTIFIED] [2021-10-28 09:17:25,464 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_32,QUANTIFIED] [2021-10-28 09:17:25,464 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_32,QUANTIFIED] Derived loop invariant: ((((((((((((\exists v_ULTIMATE.start_main_~i~0_32 : int :: (unknown-#memory_int-unknown[b][v_ULTIMATE.start_main_~i~0_32 * 4 + b] + unknown-#memory_int-unknown[c][v_ULTIMATE.start_main_~i~0_32 * 4 + c] == unknown-#memory_int-unknown[a][v_ULTIMATE.start_main_~i~0_32 * 4 + a] && v_ULTIMATE.start_main_~i~0_32 + 1 <= i) && 2 <= v_ULTIMATE.start_main_~i~0_32) && !(a == b)) && !(b == c)) && unknown-#memory_int-unknown[a][a] == unknown-#memory_int-unknown[c][c] + unknown-#memory_int-unknown[b][b]) && 0 < unknown-#memory_int-unknown[c][c + 4]) && 100000 <= N) && (\exists ULTIMATE.start_main_~#b~0.offset : int, ULTIMATE.start_main_~#b~0.base : int, ULTIMATE.start_main_~#a~0.offset : int, ULTIMATE.start_main_~i~0 : int, ULTIMATE.start_main_~#a~0.base : int, v_ULTIMATE.start_main_~i~0_32 : int :: (((((((!(ULTIMATE.start_main_~#a~0.base == ULTIMATE.start_main_~#b~0.base) && !(ULTIMATE.start_main_~#b~0.base == c)) && unknown-#memory_int-unknown[ULTIMATE.start_main_~#a~0.base][ULTIMATE.start_main_~#a~0.offset] == unknown-#memory_int-unknown[c][c] + unknown-#memory_int-unknown[ULTIMATE.start_main_~#b~0.base][ULTIMATE.start_main_~#b~0.offset]) && unknown-#memory_int-unknown[ULTIMATE.start_main_~#b~0.base][v_ULTIMATE.start_main_~i~0_32 * 4 + ULTIMATE.start_main_~#b~0.offset] + unknown-#memory_int-unknown[c][v_ULTIMATE.start_main_~i~0_32 * 4 + c] == unknown-#memory_int-unknown[ULTIMATE.start_main_~#a~0.base][v_ULTIMATE.start_main_~i~0_32 * 4 + ULTIMATE.start_main_~#a~0.offset]) && !(ULTIMATE.start_main_~#a~0.base == c)) && v_ULTIMATE.start_main_~i~0_32 + 1 <= ULTIMATE.start_main_~i~0) && unknown-#memory_int-unknown[ULTIMATE.start_main_~#a~0.base][ULTIMATE.start_main_~#a~0.offset + ULTIMATE.start_main_~i~0 * 4] == unknown-#memory_int-unknown[ULTIMATE.start_main_~#b~0.base][ULTIMATE.start_main_~#b~0.offset + ULTIMATE.start_main_~i~0 * 4] + unknown-#memory_int-unknown[c][c + ULTIMATE.start_main_~i~0 * 4]) && 2 <= v_ULTIMATE.start_main_~i~0_32) && unknown-#memory_int-unknown[ULTIMATE.start_main_~#b~0.base][ULTIMATE.start_main_~#b~0.offset + 4] + unknown-#memory_int-unknown[c][c + 4] == unknown-#memory_int-unknown[ULTIMATE.start_main_~#a~0.base][ULTIMATE.start_main_~#a~0.offset + 4])) && !(a == c)) && unknown-#memory_int-unknown[b][b + 4] + unknown-#memory_int-unknown[c][c + 4] == unknown-#memory_int-unknown[a][a + 4]) || ((((((unknown-#memory_int-unknown[b][b + -4 + i * 4] + unknown-#memory_int-unknown[c][c + -4 + i * 4] == unknown-#memory_int-unknown[a][a + -4 + i * 4] && !(a == b)) && unknown-#memory_int-unknown[b][b + 4] < unknown-#memory_int-unknown[a][a + 4]) && !(b == c)) && 100000 <= N) && i == 1) && !(a == c))) || (((((((((\exists v_ULTIMATE.start_main_~i~0_32 : int :: (unknown-#memory_int-unknown[b][v_ULTIMATE.start_main_~i~0_32 * 4 + b] + unknown-#memory_int-unknown[c][v_ULTIMATE.start_main_~i~0_32 * 4 + c] == unknown-#memory_int-unknown[a][v_ULTIMATE.start_main_~i~0_32 * 4 + a] && v_ULTIMATE.start_main_~i~0_32 + 1 <= i) && 2 <= v_ULTIMATE.start_main_~i~0_32) && !(a == b)) && !(b == c)) && unknown-#memory_int-unknown[a][a] == unknown-#memory_int-unknown[c][c] + unknown-#memory_int-unknown[b][b]) && 0 < unknown-#memory_int-unknown[c][c + 4]) && 100000 <= N) && !(a == c)) && i <= 3) && unknown-#memory_int-unknown[b][b + 4] + unknown-#memory_int-unknown[c][c + 4] == unknown-#memory_int-unknown[a][a + 4])) || ((((((((!(a == b) && 2 <= i) && unknown-#memory_int-unknown[b][b + 4] < unknown-#memory_int-unknown[a][a + 4]) && !(b == c)) && unknown-#memory_int-unknown[a][a] == unknown-#memory_int-unknown[c][c] + unknown-#memory_int-unknown[b][b]) && i <= 2) && !(a == c)) && 99998 + i <= N) && unknown-#memory_int-unknown[b][b + 4] + unknown-#memory_int-unknown[c][c + 4] == unknown-#memory_int-unknown[a][a + 4])) || (((((!(a == b) && unknown-#memory_int-unknown[b][b + 4] < unknown-#memory_int-unknown[a][a + 4]) && !(b == c)) && i == 0) && 100000 <= N) && !(a == c)) RESULT: Ultimate proved your program to be correct! [2021-10-28 09:17:25,523 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6221f8e5-4fd3-4fea-a851-f6edc99f44dc/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...