./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/array-fpi/eqn1f.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 4e77c044 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8827106-e1b6-42b7-a886-000b52f8a934/bin/uautomizer-WNIpwEf4Nt/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8827106-e1b6-42b7-a886-000b52f8a934/bin/uautomizer-WNIpwEf4Nt/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8827106-e1b6-42b7-a886-000b52f8a934/bin/uautomizer-WNIpwEf4Nt/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8827106-e1b6-42b7-a886-000b52f8a934/bin/uautomizer-WNIpwEf4Nt/config/AutomizerReach.xml -i ../../sv-benchmarks/c/array-fpi/eqn1f.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8827106-e1b6-42b7-a886-000b52f8a934/bin/uautomizer-WNIpwEf4Nt/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8827106-e1b6-42b7-a886-000b52f8a934/bin/uautomizer-WNIpwEf4Nt --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 2b20794e96be04a5a2c7abfe0708768d310e0c0e ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.1-dev-4e77c04 [2021-10-13 01:08:54,501 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-13 01:08:54,505 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-13 01:08:54,569 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-13 01:08:54,570 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-13 01:08:54,575 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-13 01:08:54,577 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-13 01:08:54,582 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-13 01:08:54,585 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-13 01:08:54,591 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-13 01:08:54,593 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-13 01:08:54,595 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-13 01:08:54,596 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-13 01:08:54,599 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-13 01:08:54,602 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-13 01:08:54,608 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-13 01:08:54,610 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-13 01:08:54,612 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-13 01:08:54,615 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-13 01:08:54,624 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-13 01:08:54,627 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-13 01:08:54,629 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-13 01:08:54,633 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-13 01:08:54,634 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-13 01:08:54,645 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-13 01:08:54,646 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-13 01:08:54,647 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-13 01:08:54,649 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-13 01:08:54,650 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-13 01:08:54,652 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-13 01:08:54,652 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-13 01:08:54,654 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-13 01:08:54,656 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-13 01:08:54,658 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-13 01:08:54,660 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-13 01:08:54,660 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-13 01:08:54,661 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-13 01:08:54,661 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-13 01:08:54,662 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-13 01:08:54,663 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-13 01:08:54,664 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-13 01:08:54,665 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8827106-e1b6-42b7-a886-000b52f8a934/bin/uautomizer-WNIpwEf4Nt/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-10-13 01:08:54,716 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-13 01:08:54,716 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-13 01:08:54,717 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-10-13 01:08:54,717 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-10-13 01:08:54,719 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-13 01:08:54,719 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-13 01:08:54,719 INFO L138 SettingsManager]: * Use SBE=true [2021-10-13 01:08:54,720 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-13 01:08:54,720 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-13 01:08:54,720 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-13 01:08:54,721 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-13 01:08:54,722 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-13 01:08:54,722 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-13 01:08:54,722 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-13 01:08:54,722 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-13 01:08:54,723 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-13 01:08:54,723 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-13 01:08:54,723 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-13 01:08:54,723 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-13 01:08:54,724 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-13 01:08:54,724 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-13 01:08:54,724 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-13 01:08:54,724 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-13 01:08:54,725 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-13 01:08:54,725 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-13 01:08:54,725 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-13 01:08:54,725 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-10-13 01:08:54,726 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-13 01:08:54,726 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-13 01:08:54,728 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-13 01:08:54,728 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_d8827106-e1b6-42b7-a886-000b52f8a934/bin/uautomizer-WNIpwEf4Nt/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8827106-e1b6-42b7-a886-000b52f8a934/bin/uautomizer-WNIpwEf4Nt Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2b20794e96be04a5a2c7abfe0708768d310e0c0e [2021-10-13 01:08:55,058 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-13 01:08:55,088 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-13 01:08:55,092 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-13 01:08:55,093 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-13 01:08:55,094 INFO L275 PluginConnector]: CDTParser initialized [2021-10-13 01:08:55,095 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8827106-e1b6-42b7-a886-000b52f8a934/bin/uautomizer-WNIpwEf4Nt/../../sv-benchmarks/c/array-fpi/eqn1f.c [2021-10-13 01:08:55,184 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8827106-e1b6-42b7-a886-000b52f8a934/bin/uautomizer-WNIpwEf4Nt/data/6bc028941/2976b9ee38ba427c88186da816fb028d/FLAG6efe9ce27 [2021-10-13 01:08:55,774 INFO L306 CDTParser]: Found 1 translation units. [2021-10-13 01:08:55,775 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8827106-e1b6-42b7-a886-000b52f8a934/sv-benchmarks/c/array-fpi/eqn1f.c [2021-10-13 01:08:55,783 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8827106-e1b6-42b7-a886-000b52f8a934/bin/uautomizer-WNIpwEf4Nt/data/6bc028941/2976b9ee38ba427c88186da816fb028d/FLAG6efe9ce27 [2021-10-13 01:08:56,092 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8827106-e1b6-42b7-a886-000b52f8a934/bin/uautomizer-WNIpwEf4Nt/data/6bc028941/2976b9ee38ba427c88186da816fb028d [2021-10-13 01:08:56,096 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-13 01:08:56,098 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-13 01:08:56,100 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-13 01:08:56,101 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-13 01:08:56,105 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-13 01:08:56,106 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 01:08:56" (1/1) ... [2021-10-13 01:08:56,108 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@175d04fe and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:08:56, skipping insertion in model container [2021-10-13 01:08:56,108 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 01:08:56" (1/1) ... [2021-10-13 01:08:56,117 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-13 01:08:56,134 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-13 01:08:56,342 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_d8827106-e1b6-42b7-a886-000b52f8a934/sv-benchmarks/c/array-fpi/eqn1f.c[588,601] [2021-10-13 01:08:56,372 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-13 01:08:56,384 INFO L203 MainTranslator]: Completed pre-run [2021-10-13 01:08:56,404 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_d8827106-e1b6-42b7-a886-000b52f8a934/sv-benchmarks/c/array-fpi/eqn1f.c[588,601] [2021-10-13 01:08:56,430 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-13 01:08:56,448 INFO L208 MainTranslator]: Completed translation [2021-10-13 01:08:56,449 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:08:56 WrapperNode [2021-10-13 01:08:56,452 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-13 01:08:56,454 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-13 01:08:56,454 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-13 01:08:56,455 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-13 01:08:56,464 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:08:56" (1/1) ... [2021-10-13 01:08:56,476 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:08:56" (1/1) ... [2021-10-13 01:08:56,503 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-13 01:08:56,504 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-13 01:08:56,504 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-13 01:08:56,504 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-13 01:08:56,515 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:08:56" (1/1) ... [2021-10-13 01:08:56,515 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:08:56" (1/1) ... [2021-10-13 01:08:56,521 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:08:56" (1/1) ... [2021-10-13 01:08:56,522 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:08:56" (1/1) ... [2021-10-13 01:08:56,540 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:08:56" (1/1) ... [2021-10-13 01:08:56,545 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:08:56" (1/1) ... [2021-10-13 01:08:56,547 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:08:56" (1/1) ... [2021-10-13 01:08:56,549 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-13 01:08:56,550 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-13 01:08:56,550 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-13 01:08:56,551 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-13 01:08:56,552 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:08:56" (1/1) ... [2021-10-13 01:08:56,566 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-13 01:08:56,595 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8827106-e1b6-42b7-a886-000b52f8a934/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 01:08:56,617 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8827106-e1b6-42b7-a886-000b52f8a934/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-10-13 01:08:56,651 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8827106-e1b6-42b7-a886-000b52f8a934/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-10-13 01:08:56,677 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-10-13 01:08:56,677 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-13 01:08:56,677 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-10-13 01:08:56,677 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-10-13 01:08:56,678 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-13 01:08:56,678 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-13 01:08:56,678 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-10-13 01:08:57,038 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-13 01:08:57,038 INFO L299 CfgBuilder]: Removed 11 assume(true) statements. [2021-10-13 01:08:57,040 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 01:08:57 BoogieIcfgContainer [2021-10-13 01:08:57,041 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-13 01:08:57,043 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-13 01:08:57,043 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-13 01:08:57,057 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-13 01:08:57,057 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.10 01:08:56" (1/3) ... [2021-10-13 01:08:57,058 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@af1a363 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 01:08:57, skipping insertion in model container [2021-10-13 01:08:57,058 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:08:56" (2/3) ... [2021-10-13 01:08:57,059 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@af1a363 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 01:08:57, skipping insertion in model container [2021-10-13 01:08:57,059 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 01:08:57" (3/3) ... [2021-10-13 01:08:57,061 INFO L111 eAbstractionObserver]: Analyzing ICFG eqn1f.c [2021-10-13 01:08:57,067 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-13 01:08:57,068 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-10-13 01:08:57,132 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-10-13 01:08:57,156 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-10-13 01:08:57,156 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-10-13 01:08:57,182 INFO L276 IsEmpty]: Start isEmpty. Operand has 21 states, 19 states have (on average 1.5263157894736843) internal successors, (29), 20 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) [2021-10-13 01:08:57,189 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-10-13 01:08:57,189 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 01:08:57,190 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 01:08:57,191 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-13 01:08:57,204 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 01:08:57,204 INFO L82 PathProgramCache]: Analyzing trace with hash -1828546148, now seen corresponding path program 1 times [2021-10-13 01:08:57,215 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 01:08:57,217 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1329758514] [2021-10-13 01:08:57,218 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 01:08:57,220 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 01:08:57,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 01:08:57,473 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 01:08:57,474 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-13 01:08:57,476 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1329758514] [2021-10-13 01:08:57,477 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1329758514] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-13 01:08:57,477 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-13 01:08:57,478 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-13 01:08:57,489 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [953167543] [2021-10-13 01:08:57,501 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-10-13 01:08:57,502 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-13 01:08:57,525 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-10-13 01:08:57,527 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-10-13 01:08:57,529 INFO L87 Difference]: Start difference. First operand has 21 states, 19 states have (on average 1.5263157894736843) internal successors, (29), 20 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) Second operand has 2 states, 2 states have (on average 6.0) internal successors, (12), 2 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 01:08:57,549 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 01:08:57,549 INFO L93 Difference]: Finished difference Result 38 states and 52 transitions. [2021-10-13 01:08:57,550 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-13 01:08:57,551 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 6.0) internal successors, (12), 2 states have internal predecessors, (12), 0 states have call successors, (0), 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 12 [2021-10-13 01:08:57,552 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 01:08:57,563 INFO L225 Difference]: With dead ends: 38 [2021-10-13 01:08:57,564 INFO L226 Difference]: Without dead ends: 17 [2021-10-13 01:08:57,568 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0ms TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-10-13 01:08:57,589 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17 states. [2021-10-13 01:08:57,604 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17 to 17. [2021-10-13 01:08:57,607 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17 states, 16 states have (on average 1.1875) internal successors, (19), 16 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 01:08:57,608 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 19 transitions. [2021-10-13 01:08:57,610 INFO L78 Accepts]: Start accepts. Automaton has 17 states and 19 transitions. Word has length 12 [2021-10-13 01:08:57,611 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 01:08:57,611 INFO L470 AbstractCegarLoop]: Abstraction has 17 states and 19 transitions. [2021-10-13 01:08:57,612 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 6.0) internal successors, (12), 2 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 01:08:57,612 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 19 transitions. [2021-10-13 01:08:57,613 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-10-13 01:08:57,613 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 01:08:57,614 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 01:08:57,614 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-10-13 01:08:57,615 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-13 01:08:57,618 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 01:08:57,619 INFO L82 PathProgramCache]: Analyzing trace with hash -1148487778, now seen corresponding path program 1 times [2021-10-13 01:08:57,619 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 01:08:57,620 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [242331564] [2021-10-13 01:08:57,620 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 01:08:57,620 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 01:08:57,660 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-10-13 01:08:57,661 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [296006843] [2021-10-13 01:08:57,661 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 01:08:57,661 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-13 01:08:57,662 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8827106-e1b6-42b7-a886-000b52f8a934/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 01:08:57,663 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8827106-e1b6-42b7-a886-000b52f8a934/bin/uautomizer-WNIpwEf4Nt/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-13 01:08:57,684 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8827106-e1b6-42b7-a886-000b52f8a934/bin/uautomizer-WNIpwEf4Nt/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-10-13 01:08:57,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 01:08:57,762 INFO L263 TraceCheckSpWp]: Trace formula consists of 76 conjuncts, 10 conjunts are in the unsatisfiable core [2021-10-13 01:08:57,772 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 01:08:57,877 INFO L354 Elim1Store]: treesize reduction 17, result has 46.9 percent of original size [2021-10-13 01:08:57,878 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 23 [2021-10-13 01:08:58,036 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 01:08:58,036 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-13 01:08:58,037 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [242331564] [2021-10-13 01:08:58,037 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-10-13 01:08:58,037 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [296006843] [2021-10-13 01:08:58,037 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [296006843] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-13 01:08:58,038 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-13 01:08:58,038 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-10-13 01:08:58,038 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [121050621] [2021-10-13 01:08:58,039 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-10-13 01:08:58,040 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-13 01:08:58,041 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-13 01:08:58,041 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-10-13 01:08:58,041 INFO L87 Difference]: Start difference. First operand 17 states and 19 transitions. Second operand has 5 states, 5 states have (on average 2.4) internal successors, (12), 5 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 01:08:58,127 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 01:08:58,128 INFO L93 Difference]: Finished difference Result 34 states and 38 transitions. [2021-10-13 01:08:58,128 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-10-13 01:08:58,129 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 2.4) internal successors, (12), 5 states have internal predecessors, (12), 0 states have call successors, (0), 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 12 [2021-10-13 01:08:58,129 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 01:08:58,130 INFO L225 Difference]: With dead ends: 34 [2021-10-13 01:08:58,130 INFO L226 Difference]: Without dead ends: 32 [2021-10-13 01:08:58,131 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 41.9ms TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2021-10-13 01:08:58,132 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 32 states. [2021-10-13 01:08:58,137 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 32 to 23. [2021-10-13 01:08:58,137 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 23 states, 22 states have (on average 1.2272727272727273) internal successors, (27), 22 states have internal predecessors, (27), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 01:08:58,138 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 23 states and 27 transitions. [2021-10-13 01:08:58,162 INFO L78 Accepts]: Start accepts. Automaton has 23 states and 27 transitions. Word has length 12 [2021-10-13 01:08:58,162 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 01:08:58,162 INFO L470 AbstractCegarLoop]: Abstraction has 23 states and 27 transitions. [2021-10-13 01:08:58,163 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 2.4) internal successors, (12), 5 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 01:08:58,163 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 27 transitions. [2021-10-13 01:08:58,164 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2021-10-13 01:08:58,164 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 01:08:58,164 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 01:08:58,204 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8827106-e1b6-42b7-a886-000b52f8a934/bin/uautomizer-WNIpwEf4Nt/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2021-10-13 01:08:58,380 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8827106-e1b6-42b7-a886-000b52f8a934/bin/uautomizer-WNIpwEf4Nt/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-13 01:08:58,380 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-13 01:08:58,381 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 01:08:58,381 INFO L82 PathProgramCache]: Analyzing trace with hash 1755224028, now seen corresponding path program 1 times [2021-10-13 01:08:58,381 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 01:08:58,382 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [519525879] [2021-10-13 01:08:58,382 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 01:08:58,382 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 01:08:58,406 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-10-13 01:08:58,406 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [750382149] [2021-10-13 01:08:58,407 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 01:08:58,407 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-13 01:08:58,407 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8827106-e1b6-42b7-a886-000b52f8a934/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 01:08:58,409 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8827106-e1b6-42b7-a886-000b52f8a934/bin/uautomizer-WNIpwEf4Nt/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-13 01:08:58,434 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8827106-e1b6-42b7-a886-000b52f8a934/bin/uautomizer-WNIpwEf4Nt/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2021-10-13 01:08:58,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 01:08:58,495 INFO L263 TraceCheckSpWp]: Trace formula consists of 80 conjuncts, 4 conjunts are in the unsatisfiable core [2021-10-13 01:08:58,496 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 01:08:58,584 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 01:08:58,584 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-13 01:08:58,585 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [519525879] [2021-10-13 01:08:58,585 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-10-13 01:08:58,590 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [750382149] [2021-10-13 01:08:58,591 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [750382149] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-13 01:08:58,591 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-13 01:08:58,592 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-10-13 01:08:58,592 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1823323414] [2021-10-13 01:08:58,592 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-10-13 01:08:58,593 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-13 01:08:58,593 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-13 01:08:58,596 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-10-13 01:08:58,596 INFO L87 Difference]: Start difference. First operand 23 states and 27 transitions. Second operand has 5 states, 5 states have (on average 2.8) internal successors, (14), 5 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 01:08:58,692 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 01:08:58,693 INFO L93 Difference]: Finished difference Result 49 states and 55 transitions. [2021-10-13 01:08:58,693 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-10-13 01:08:58,694 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 2.8) internal successors, (14), 5 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 14 [2021-10-13 01:08:58,694 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 01:08:58,697 INFO L225 Difference]: With dead ends: 49 [2021-10-13 01:08:58,698 INFO L226 Difference]: Without dead ends: 40 [2021-10-13 01:08:58,698 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 29.2ms TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2021-10-13 01:08:58,699 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 40 states. [2021-10-13 01:08:58,708 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 40 to 23. [2021-10-13 01:08:58,709 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 23 states, 22 states have (on average 1.1818181818181819) internal successors, (26), 22 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 01:08:58,712 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 23 states and 26 transitions. [2021-10-13 01:08:58,712 INFO L78 Accepts]: Start accepts. Automaton has 23 states and 26 transitions. Word has length 14 [2021-10-13 01:08:58,712 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 01:08:58,713 INFO L470 AbstractCegarLoop]: Abstraction has 23 states and 26 transitions. [2021-10-13 01:08:58,713 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 2.8) internal successors, (14), 5 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 01:08:58,713 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 26 transitions. [2021-10-13 01:08:58,714 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2021-10-13 01:08:58,715 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 01:08:58,715 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 01:08:58,754 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8827106-e1b6-42b7-a886-000b52f8a934/bin/uautomizer-WNIpwEf4Nt/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2021-10-13 01:08:58,938 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8827106-e1b6-42b7-a886-000b52f8a934/bin/uautomizer-WNIpwEf4Nt/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable2 [2021-10-13 01:08:58,939 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-13 01:08:58,940 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 01:08:58,940 INFO L82 PathProgramCache]: Analyzing trace with hash -1842440164, now seen corresponding path program 1 times [2021-10-13 01:08:58,940 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 01:08:58,940 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [194484234] [2021-10-13 01:08:58,940 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 01:08:58,941 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 01:08:58,974 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-10-13 01:08:58,974 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [532158217] [2021-10-13 01:08:58,975 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 01:08:58,975 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-13 01:08:58,976 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8827106-e1b6-42b7-a886-000b52f8a934/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 01:08:58,977 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8827106-e1b6-42b7-a886-000b52f8a934/bin/uautomizer-WNIpwEf4Nt/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-13 01:08:59,000 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8827106-e1b6-42b7-a886-000b52f8a934/bin/uautomizer-WNIpwEf4Nt/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2021-10-13 01:08:59,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 01:08:59,059 INFO L263 TraceCheckSpWp]: Trace formula consists of 80 conjuncts, 4 conjunts are in the unsatisfiable core [2021-10-13 01:08:59,062 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 01:08:59,124 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 01:08:59,124 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-13 01:08:59,124 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [194484234] [2021-10-13 01:08:59,125 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-10-13 01:08:59,125 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [532158217] [2021-10-13 01:08:59,125 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [532158217] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-13 01:08:59,125 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2021-10-13 01:08:59,126 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2021-10-13 01:08:59,126 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [847337461] [2021-10-13 01:08:59,127 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-10-13 01:08:59,127 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-13 01:08:59,127 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-13 01:08:59,132 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-10-13 01:08:59,133 INFO L87 Difference]: Start difference. First operand 23 states and 26 transitions. Second operand has 5 states, 5 states have (on average 2.8) internal successors, (14), 5 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 01:08:59,218 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 01:08:59,218 INFO L93 Difference]: Finished difference Result 44 states and 48 transitions. [2021-10-13 01:08:59,219 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-10-13 01:08:59,219 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 2.8) internal successors, (14), 5 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 14 [2021-10-13 01:08:59,219 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 01:08:59,220 INFO L225 Difference]: With dead ends: 44 [2021-10-13 01:08:59,220 INFO L226 Difference]: Without dead ends: 37 [2021-10-13 01:08:59,221 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 26.0ms TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2021-10-13 01:08:59,221 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 37 states. [2021-10-13 01:08:59,232 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 37 to 24. [2021-10-13 01:08:59,232 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24 states, 23 states have (on average 1.173913043478261) internal successors, (27), 23 states have internal predecessors, (27), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 01:08:59,233 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 24 states and 27 transitions. [2021-10-13 01:08:59,234 INFO L78 Accepts]: Start accepts. Automaton has 24 states and 27 transitions. Word has length 14 [2021-10-13 01:08:59,236 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 01:08:59,236 INFO L470 AbstractCegarLoop]: Abstraction has 24 states and 27 transitions. [2021-10-13 01:08:59,236 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 2.8) internal successors, (14), 5 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 01:08:59,236 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 27 transitions. [2021-10-13 01:08:59,237 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-10-13 01:08:59,238 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 01:08:59,238 INFO L512 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 01:08:59,263 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8827106-e1b6-42b7-a886-000b52f8a934/bin/uautomizer-WNIpwEf4Nt/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2021-10-13 01:08:59,440 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8827106-e1b6-42b7-a886-000b52f8a934/bin/uautomizer-WNIpwEf4Nt/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-13 01:08:59,440 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-13 01:08:59,441 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 01:08:59,441 INFO L82 PathProgramCache]: Analyzing trace with hash -1667884396, now seen corresponding path program 1 times [2021-10-13 01:08:59,441 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 01:08:59,441 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1925145916] [2021-10-13 01:08:59,441 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 01:08:59,441 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 01:08:59,459 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-10-13 01:08:59,460 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1793760052] [2021-10-13 01:08:59,460 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 01:08:59,460 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-13 01:08:59,460 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8827106-e1b6-42b7-a886-000b52f8a934/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 01:08:59,461 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8827106-e1b6-42b7-a886-000b52f8a934/bin/uautomizer-WNIpwEf4Nt/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-13 01:08:59,463 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8827106-e1b6-42b7-a886-000b52f8a934/bin/uautomizer-WNIpwEf4Nt/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2021-10-13 01:08:59,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 01:08:59,531 INFO L263 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 5 conjunts are in the unsatisfiable core [2021-10-13 01:08:59,532 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 01:08:59,645 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 01:08:59,649 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-13 01:08:59,649 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1925145916] [2021-10-13 01:08:59,649 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-10-13 01:08:59,649 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1793760052] [2021-10-13 01:08:59,650 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1793760052] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-13 01:08:59,650 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-13 01:08:59,650 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-10-13 01:08:59,650 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [244186978] [2021-10-13 01:08:59,651 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-10-13 01:08:59,658 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-13 01:08:59,665 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-10-13 01:08:59,665 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2021-10-13 01:08:59,665 INFO L87 Difference]: Start difference. First operand 24 states and 27 transitions. Second operand has 6 states, 6 states have (on average 2.6666666666666665) internal successors, (16), 6 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 01:08:59,741 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 01:08:59,741 INFO L93 Difference]: Finished difference Result 41 states and 44 transitions. [2021-10-13 01:08:59,741 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-10-13 01:08:59,741 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 2.6666666666666665) internal successors, (16), 6 states have internal predecessors, (16), 0 states have call successors, (0), 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 16 [2021-10-13 01:08:59,742 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 01:08:59,742 INFO L225 Difference]: With dead ends: 41 [2021-10-13 01:08:59,742 INFO L226 Difference]: Without dead ends: 27 [2021-10-13 01:08:59,744 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 39.4ms TimeCoverageRelationStatistics Valid=30, Invalid=42, Unknown=0, NotChecked=0, Total=72 [2021-10-13 01:08:59,745 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27 states. [2021-10-13 01:08:59,750 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27 to 19. [2021-10-13 01:08:59,750 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19 states, 18 states have (on average 1.1666666666666667) internal successors, (21), 18 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 01:08:59,751 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 21 transitions. [2021-10-13 01:08:59,751 INFO L78 Accepts]: Start accepts. Automaton has 19 states and 21 transitions. Word has length 16 [2021-10-13 01:08:59,752 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 01:08:59,752 INFO L470 AbstractCegarLoop]: Abstraction has 19 states and 21 transitions. [2021-10-13 01:08:59,752 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 2.6666666666666665) internal successors, (16), 6 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 01:08:59,752 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 21 transitions. [2021-10-13 01:08:59,753 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-10-13 01:08:59,753 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 01:08:59,753 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 01:08:59,794 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8827106-e1b6-42b7-a886-000b52f8a934/bin/uautomizer-WNIpwEf4Nt/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2021-10-13 01:08:59,980 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8827106-e1b6-42b7-a886-000b52f8a934/bin/uautomizer-WNIpwEf4Nt/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-13 01:08:59,980 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-13 01:08:59,980 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 01:08:59,981 INFO L82 PathProgramCache]: Analyzing trace with hash 586911962, now seen corresponding path program 1 times [2021-10-13 01:08:59,981 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 01:08:59,981 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [912279255] [2021-10-13 01:08:59,981 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 01:08:59,981 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 01:08:59,999 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-10-13 01:09:00,000 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1139762711] [2021-10-13 01:09:00,000 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 01:09:00,000 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-13 01:09:00,000 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8827106-e1b6-42b7-a886-000b52f8a934/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 01:09:00,001 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8827106-e1b6-42b7-a886-000b52f8a934/bin/uautomizer-WNIpwEf4Nt/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-13 01:09:00,013 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8827106-e1b6-42b7-a886-000b52f8a934/bin/uautomizer-WNIpwEf4Nt/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2021-10-13 01:09:00,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 01:09:00,113 INFO L263 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 16 conjunts are in the unsatisfiable core [2021-10-13 01:09:00,114 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 01:09:00,167 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-10-13 01:09:00,176 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-10-13 01:09:00,259 INFO L354 Elim1Store]: treesize reduction 74, result has 26.0 percent of original size [2021-10-13 01:09:00,260 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 41 treesize of output 52 [2021-10-13 01:09:00,651 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-13 01:09:00,704 INFO L354 Elim1Store]: treesize reduction 204, result has 13.2 percent of original size [2021-10-13 01:09:00,704 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 9 case distinctions, treesize of input 70 treesize of output 70 [2021-10-13 01:09:01,650 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 01:09:01,650 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-13 01:09:01,651 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [912279255] [2021-10-13 01:09:01,651 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-10-13 01:09:01,651 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1139762711] [2021-10-13 01:09:01,651 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1139762711] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-13 01:09:01,651 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2021-10-13 01:09:01,652 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2021-10-13 01:09:01,655 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1846443944] [2021-10-13 01:09:01,655 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-10-13 01:09:01,656 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-13 01:09:01,656 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-10-13 01:09:01,657 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2021-10-13 01:09:01,657 INFO L87 Difference]: Start difference. First operand 19 states and 21 transitions. Second operand has 8 states, 8 states have (on average 2.0) internal successors, (16), 8 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 01:09:02,071 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 01:09:02,071 INFO L93 Difference]: Finished difference Result 44 states and 48 transitions. [2021-10-13 01:09:02,072 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-10-13 01:09:02,072 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 2.0) internal successors, (16), 8 states have internal predecessors, (16), 0 states have call successors, (0), 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 16 [2021-10-13 01:09:02,072 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 01:09:02,073 INFO L225 Difference]: With dead ends: 44 [2021-10-13 01:09:02,073 INFO L226 Difference]: Without dead ends: 42 [2021-10-13 01:09:02,073 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 365.4ms TimeCoverageRelationStatistics Valid=47, Invalid=109, Unknown=0, NotChecked=0, Total=156 [2021-10-13 01:09:02,074 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 42 states. [2021-10-13 01:09:02,078 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 42 to 28. [2021-10-13 01:09:02,078 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 28 states, 27 states have (on average 1.1851851851851851) internal successors, (32), 27 states have internal predecessors, (32), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 01:09:02,079 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 28 states and 32 transitions. [2021-10-13 01:09:02,079 INFO L78 Accepts]: Start accepts. Automaton has 28 states and 32 transitions. Word has length 16 [2021-10-13 01:09:02,079 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 01:09:02,080 INFO L470 AbstractCegarLoop]: Abstraction has 28 states and 32 transitions. [2021-10-13 01:09:02,080 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 2.0) internal successors, (16), 8 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 01:09:02,080 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 32 transitions. [2021-10-13 01:09:02,081 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-10-13 01:09:02,081 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 01:09:02,081 INFO L512 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 01:09:02,125 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8827106-e1b6-42b7-a886-000b52f8a934/bin/uautomizer-WNIpwEf4Nt/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2021-10-13 01:09:02,308 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8827106-e1b6-42b7-a886-000b52f8a934/bin/uautomizer-WNIpwEf4Nt/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5 [2021-10-13 01:09:02,308 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-13 01:09:02,308 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 01:09:02,309 INFO L82 PathProgramCache]: Analyzing trace with hash -1267903976, now seen corresponding path program 2 times [2021-10-13 01:09:02,309 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 01:09:02,309 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [865243552] [2021-10-13 01:09:02,309 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 01:09:02,309 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 01:09:02,332 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-10-13 01:09:02,333 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1418333110] [2021-10-13 01:09:02,333 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-10-13 01:09:02,333 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-13 01:09:02,333 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8827106-e1b6-42b7-a886-000b52f8a934/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 01:09:02,334 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8827106-e1b6-42b7-a886-000b52f8a934/bin/uautomizer-WNIpwEf4Nt/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-13 01:09:02,376 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8827106-e1b6-42b7-a886-000b52f8a934/bin/uautomizer-WNIpwEf4Nt/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2021-10-13 01:09:02,480 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-10-13 01:09:02,480 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-10-13 01:09:02,482 INFO L263 TraceCheckSpWp]: Trace formula consists of 88 conjuncts, 6 conjunts are in the unsatisfiable core [2021-10-13 01:09:02,483 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 01:09:02,626 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 01:09:02,627 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-13 01:09:02,627 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [865243552] [2021-10-13 01:09:02,627 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-10-13 01:09:02,627 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1418333110] [2021-10-13 01:09:02,628 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1418333110] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-13 01:09:02,628 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2021-10-13 01:09:02,628 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2021-10-13 01:09:02,628 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2064639848] [2021-10-13 01:09:02,629 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-10-13 01:09:02,629 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-13 01:09:02,629 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-10-13 01:09:02,630 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2021-10-13 01:09:02,630 INFO L87 Difference]: Start difference. First operand 28 states and 32 transitions. Second operand has 7 states, 7 states have (on average 2.5714285714285716) internal successors, (18), 7 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 01:09:02,772 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 01:09:02,773 INFO L93 Difference]: Finished difference Result 61 states and 67 transitions. [2021-10-13 01:09:02,773 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-10-13 01:09:02,773 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 2.5714285714285716) internal successors, (18), 7 states have internal predecessors, (18), 0 states have call successors, (0), 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 18 [2021-10-13 01:09:02,774 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 01:09:02,774 INFO L225 Difference]: With dead ends: 61 [2021-10-13 01:09:02,774 INFO L226 Difference]: Without dead ends: 52 [2021-10-13 01:09:02,775 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 71.9ms TimeCoverageRelationStatistics Valid=40, Invalid=70, Unknown=0, NotChecked=0, Total=110 [2021-10-13 01:09:02,775 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 52 states. [2021-10-13 01:09:02,780 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 52 to 28. [2021-10-13 01:09:02,780 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 28 states, 27 states have (on average 1.1481481481481481) internal successors, (31), 27 states have internal predecessors, (31), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 01:09:02,781 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 28 states and 31 transitions. [2021-10-13 01:09:02,781 INFO L78 Accepts]: Start accepts. Automaton has 28 states and 31 transitions. Word has length 18 [2021-10-13 01:09:02,781 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 01:09:02,781 INFO L470 AbstractCegarLoop]: Abstraction has 28 states and 31 transitions. [2021-10-13 01:09:02,782 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 2.5714285714285716) internal successors, (18), 7 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 01:09:02,782 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 31 transitions. [2021-10-13 01:09:02,782 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-10-13 01:09:02,782 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 01:09:02,783 INFO L512 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 01:09:02,841 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8827106-e1b6-42b7-a886-000b52f8a934/bin/uautomizer-WNIpwEf4Nt/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2021-10-13 01:09:03,002 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8827106-e1b6-42b7-a886-000b52f8a934/bin/uautomizer-WNIpwEf4Nt/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-13 01:09:03,003 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-13 01:09:03,003 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 01:09:03,003 INFO L82 PathProgramCache]: Analyzing trace with hash -1174519208, now seen corresponding path program 3 times [2021-10-13 01:09:03,004 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 01:09:03,004 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [619260967] [2021-10-13 01:09:03,004 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 01:09:03,004 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 01:09:03,021 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-10-13 01:09:03,021 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [881325747] [2021-10-13 01:09:03,021 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2021-10-13 01:09:03,022 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-13 01:09:03,022 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8827106-e1b6-42b7-a886-000b52f8a934/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 01:09:03,027 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8827106-e1b6-42b7-a886-000b52f8a934/bin/uautomizer-WNIpwEf4Nt/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-13 01:09:03,067 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8827106-e1b6-42b7-a886-000b52f8a934/bin/uautomizer-WNIpwEf4Nt/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2021-10-13 01:09:03,162 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2021-10-13 01:09:03,162 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-10-13 01:09:03,164 INFO L263 TraceCheckSpWp]: Trace formula consists of 88 conjuncts, 6 conjunts are in the unsatisfiable core [2021-10-13 01:09:03,165 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 01:09:03,285 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 01:09:03,285 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-13 01:09:03,285 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [619260967] [2021-10-13 01:09:03,285 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-10-13 01:09:03,286 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [881325747] [2021-10-13 01:09:03,286 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [881325747] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-13 01:09:03,286 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2021-10-13 01:09:03,286 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2021-10-13 01:09:03,286 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [625696939] [2021-10-13 01:09:03,286 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-10-13 01:09:03,287 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-13 01:09:03,287 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-10-13 01:09:03,287 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2021-10-13 01:09:03,287 INFO L87 Difference]: Start difference. First operand 28 states and 31 transitions. Second operand has 7 states, 7 states have (on average 2.5714285714285716) internal successors, (18), 7 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 01:09:03,389 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 01:09:03,389 INFO L93 Difference]: Finished difference Result 56 states and 60 transitions. [2021-10-13 01:09:03,389 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-10-13 01:09:03,390 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 2.5714285714285716) internal successors, (18), 7 states have internal predecessors, (18), 0 states have call successors, (0), 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 18 [2021-10-13 01:09:03,390 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 01:09:03,390 INFO L225 Difference]: With dead ends: 56 [2021-10-13 01:09:03,391 INFO L226 Difference]: Without dead ends: 49 [2021-10-13 01:09:03,391 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 44.3ms TimeCoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2021-10-13 01:09:03,391 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 49 states. [2021-10-13 01:09:03,396 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 49 to 30. [2021-10-13 01:09:03,397 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 30 states, 29 states have (on average 1.1379310344827587) internal successors, (33), 29 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) [2021-10-13 01:09:03,397 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 30 states and 33 transitions. [2021-10-13 01:09:03,397 INFO L78 Accepts]: Start accepts. Automaton has 30 states and 33 transitions. Word has length 18 [2021-10-13 01:09:03,398 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 01:09:03,398 INFO L470 AbstractCegarLoop]: Abstraction has 30 states and 33 transitions. [2021-10-13 01:09:03,398 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 2.5714285714285716) internal successors, (18), 7 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 01:09:03,398 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 33 transitions. [2021-10-13 01:09:03,399 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2021-10-13 01:09:03,399 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 01:09:03,399 INFO L512 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 01:09:03,442 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8827106-e1b6-42b7-a886-000b52f8a934/bin/uautomizer-WNIpwEf4Nt/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2021-10-13 01:09:03,612 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8827106-e1b6-42b7-a886-000b52f8a934/bin/uautomizer-WNIpwEf4Nt/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-13 01:09:03,612 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-13 01:09:03,613 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 01:09:03,613 INFO L82 PathProgramCache]: Analyzing trace with hash 798963152, now seen corresponding path program 1 times [2021-10-13 01:09:03,613 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 01:09:03,613 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1906878049] [2021-10-13 01:09:03,613 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 01:09:03,613 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 01:09:03,643 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-10-13 01:09:03,644 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1681501899] [2021-10-13 01:09:03,644 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 01:09:03,644 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-13 01:09:03,644 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8827106-e1b6-42b7-a886-000b52f8a934/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 01:09:03,647 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8827106-e1b6-42b7-a886-000b52f8a934/bin/uautomizer-WNIpwEf4Nt/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-13 01:09:03,654 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8827106-e1b6-42b7-a886-000b52f8a934/bin/uautomizer-WNIpwEf4Nt/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2021-10-13 01:09:03,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 01:09:03,821 INFO L263 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 22 conjunts are in the unsatisfiable core [2021-10-13 01:09:03,825 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 01:09:03,857 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-10-13 01:09:03,863 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-10-13 01:09:03,912 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-13 01:09:03,920 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-10-13 01:09:03,920 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-10-13 01:09:04,054 INFO L173 IndexEqualityManager]: detected equality via solver [2021-10-13 01:09:04,055 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-13 01:09:04,066 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-10-13 01:09:04,067 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 51 treesize of output 44 [2021-10-13 01:09:04,416 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-10-13 01:09:04,417 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 62 treesize of output 38 [2021-10-13 01:09:04,439 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 01:09:04,440 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-13 01:09:04,440 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1906878049] [2021-10-13 01:09:04,440 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-10-13 01:09:04,440 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1681501899] [2021-10-13 01:09:04,440 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1681501899] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-13 01:09:04,440 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2021-10-13 01:09:04,441 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9] total 9 [2021-10-13 01:09:04,441 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [43000126] [2021-10-13 01:09:04,441 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2021-10-13 01:09:04,441 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-13 01:09:04,442 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-10-13 01:09:04,442 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2021-10-13 01:09:04,442 INFO L87 Difference]: Start difference. First operand 30 states and 33 transitions. Second operand has 9 states, 9 states have (on average 2.2222222222222223) internal successors, (20), 9 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 01:09:04,811 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 01:09:04,811 INFO L93 Difference]: Finished difference Result 45 states and 48 transitions. [2021-10-13 01:09:04,811 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-10-13 01:09:04,812 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 2.2222222222222223) internal successors, (20), 9 states have internal predecessors, (20), 0 states have call successors, (0), 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 20 [2021-10-13 01:09:04,812 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 01:09:04,812 INFO L225 Difference]: With dead ends: 45 [2021-10-13 01:09:04,813 INFO L226 Difference]: Without dead ends: 43 [2021-10-13 01:09:04,813 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 357.9ms TimeCoverageRelationStatistics Valid=63, Invalid=147, Unknown=0, NotChecked=0, Total=210 [2021-10-13 01:09:04,813 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 43 states. [2021-10-13 01:09:04,818 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 43 to 34. [2021-10-13 01:09:04,818 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 34 states, 33 states have (on average 1.121212121212121) internal successors, (37), 33 states have internal predecessors, (37), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 01:09:04,819 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 34 states and 37 transitions. [2021-10-13 01:09:04,819 INFO L78 Accepts]: Start accepts. Automaton has 34 states and 37 transitions. Word has length 20 [2021-10-13 01:09:04,819 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 01:09:04,819 INFO L470 AbstractCegarLoop]: Abstraction has 34 states and 37 transitions. [2021-10-13 01:09:04,820 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 2.2222222222222223) internal successors, (20), 9 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 01:09:04,820 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 37 transitions. [2021-10-13 01:09:04,821 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2021-10-13 01:09:04,821 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 01:09:04,821 INFO L512 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 01:09:04,860 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8827106-e1b6-42b7-a886-000b52f8a934/bin/uautomizer-WNIpwEf4Nt/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2021-10-13 01:09:05,044 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8827106-e1b6-42b7-a886-000b52f8a934/bin/uautomizer-WNIpwEf4Nt/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-13 01:09:05,044 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-13 01:09:05,045 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 01:09:05,045 INFO L82 PathProgramCache]: Analyzing trace with hash -1786143722, now seen corresponding path program 4 times [2021-10-13 01:09:05,045 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 01:09:05,045 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1154359832] [2021-10-13 01:09:05,045 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 01:09:05,046 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 01:09:05,064 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-10-13 01:09:05,064 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [624931337] [2021-10-13 01:09:05,064 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2021-10-13 01:09:05,064 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-13 01:09:05,064 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8827106-e1b6-42b7-a886-000b52f8a934/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 01:09:05,065 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8827106-e1b6-42b7-a886-000b52f8a934/bin/uautomizer-WNIpwEf4Nt/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-13 01:09:05,092 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8827106-e1b6-42b7-a886-000b52f8a934/bin/uautomizer-WNIpwEf4Nt/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2021-10-13 01:09:05,235 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-10-13 01:09:05,236 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-10-13 01:09:05,237 INFO L263 TraceCheckSpWp]: Trace formula consists of 92 conjuncts, 19 conjunts are in the unsatisfiable core [2021-10-13 01:09:05,239 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 01:09:05,285 INFO L354 Elim1Store]: treesize reduction 17, result has 46.9 percent of original size [2021-10-13 01:09:05,286 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 23 [2021-10-13 01:09:05,300 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-10-13 01:09:05,359 INFO L354 Elim1Store]: treesize reduction 74, result has 26.0 percent of original size [2021-10-13 01:09:05,359 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 41 treesize of output 52 [2021-10-13 01:09:05,599 INFO L354 Elim1Store]: treesize reduction 200, result has 28.3 percent of original size [2021-10-13 01:09:05,599 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 1 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 10 case distinctions, treesize of input 69 treesize of output 116 [2021-10-13 01:09:06,309 INFO L173 IndexEqualityManager]: detected equality via solver [2021-10-13 01:09:06,310 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-13 01:09:06,317 INFO L354 Elim1Store]: treesize reduction 144, result has 0.7 percent of original size [2021-10-13 01:09:06,317 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 7 select indices, 7 select index equivalence classes, 2 disjoint index pairs (out of 21 index pairs), introduced 6 new quantified variables, introduced 10 case distinctions, treesize of input 95 treesize of output 101 [2021-10-13 01:09:06,620 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-13 01:09:06,842 INFO L354 Elim1Store]: treesize reduction 752, result has 9.6 percent of original size [2021-10-13 01:09:06,842 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 1 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 36 case distinctions, treesize of input 129 treesize of output 131 [2021-10-13 01:09:10,566 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 01:09:10,567 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-13 01:09:10,567 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1154359832] [2021-10-13 01:09:10,567 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-10-13 01:09:10,567 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [624931337] [2021-10-13 01:09:10,567 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [624931337] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-13 01:09:10,567 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2021-10-13 01:09:10,567 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11] total 11 [2021-10-13 01:09:10,568 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1568637746] [2021-10-13 01:09:10,568 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2021-10-13 01:09:10,568 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-13 01:09:10,569 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-10-13 01:09:10,569 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=86, Unknown=0, NotChecked=0, Total=110 [2021-10-13 01:09:10,569 INFO L87 Difference]: Start difference. First operand 34 states and 37 transitions. Second operand has 11 states, 11 states have (on average 1.8181818181818181) internal successors, (20), 11 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 01:09:13,807 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 01:09:13,808 INFO L93 Difference]: Finished difference Result 69 states and 74 transitions. [2021-10-13 01:09:13,808 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-10-13 01:09:13,808 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 1.8181818181818181) internal successors, (20), 11 states have internal predecessors, (20), 0 states have call successors, (0), 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 20 [2021-10-13 01:09:13,809 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 01:09:13,809 INFO L225 Difference]: With dead ends: 69 [2021-10-13 01:09:13,809 INFO L226 Difference]: Without dead ends: 67 [2021-10-13 01:09:13,810 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 63 ImplicationChecksByTransitivity, 828.4ms TimeCoverageRelationStatistics Valid=83, Invalid=337, Unknown=0, NotChecked=0, Total=420 [2021-10-13 01:09:13,810 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 67 states. [2021-10-13 01:09:13,817 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 67 to 43. [2021-10-13 01:09:13,817 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 43 states, 42 states have (on average 1.1428571428571428) internal successors, (48), 42 states have internal predecessors, (48), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 01:09:13,818 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 43 states and 48 transitions. [2021-10-13 01:09:13,818 INFO L78 Accepts]: Start accepts. Automaton has 43 states and 48 transitions. Word has length 20 [2021-10-13 01:09:13,818 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 01:09:13,819 INFO L470 AbstractCegarLoop]: Abstraction has 43 states and 48 transitions. [2021-10-13 01:09:13,819 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 1.8181818181818181) internal successors, (20), 11 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 01:09:13,819 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 48 transitions. [2021-10-13 01:09:13,820 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-10-13 01:09:13,820 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 01:09:13,820 INFO L512 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 01:09:13,843 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8827106-e1b6-42b7-a886-000b52f8a934/bin/uautomizer-WNIpwEf4Nt/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Ended with exit code 0 [2021-10-13 01:09:14,024 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8827106-e1b6-42b7-a886-000b52f8a934/bin/uautomizer-WNIpwEf4Nt/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2021-10-13 01:09:14,024 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-13 01:09:14,025 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 01:09:14,025 INFO L82 PathProgramCache]: Analyzing trace with hash -1598333292, now seen corresponding path program 5 times [2021-10-13 01:09:14,025 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 01:09:14,025 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1647741021] [2021-10-13 01:09:14,025 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 01:09:14,025 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 01:09:14,043 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-10-13 01:09:14,043 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1314466271] [2021-10-13 01:09:14,044 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2021-10-13 01:09:14,044 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-13 01:09:14,044 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8827106-e1b6-42b7-a886-000b52f8a934/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 01:09:14,045 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8827106-e1b6-42b7-a886-000b52f8a934/bin/uautomizer-WNIpwEf4Nt/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-13 01:09:14,077 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8827106-e1b6-42b7-a886-000b52f8a934/bin/uautomizer-WNIpwEf4Nt/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2021-10-13 01:09:14,302 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 4 check-sat command(s) [2021-10-13 01:09:14,302 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-10-13 01:09:14,304 INFO L263 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 8 conjunts are in the unsatisfiable core [2021-10-13 01:09:14,305 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 01:09:14,444 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 4 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 01:09:14,444 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-13 01:09:14,445 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1647741021] [2021-10-13 01:09:14,445 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-10-13 01:09:14,445 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1314466271] [2021-10-13 01:09:14,445 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1314466271] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-13 01:09:14,445 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2021-10-13 01:09:14,446 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9] total 9 [2021-10-13 01:09:14,446 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1698404986] [2021-10-13 01:09:14,446 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2021-10-13 01:09:14,446 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-13 01:09:14,447 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-10-13 01:09:14,447 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2021-10-13 01:09:14,448 INFO L87 Difference]: Start difference. First operand 43 states and 48 transitions. Second operand has 9 states, 9 states have (on average 2.4444444444444446) internal successors, (22), 9 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) [2021-10-13 01:09:14,616 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 01:09:14,616 INFO L93 Difference]: Finished difference Result 82 states and 89 transitions. [2021-10-13 01:09:14,617 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-10-13 01:09:14,617 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 2.4444444444444446) internal successors, (22), 9 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) Word has length 22 [2021-10-13 01:09:14,617 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 01:09:14,618 INFO L225 Difference]: With dead ends: 82 [2021-10-13 01:09:14,618 INFO L226 Difference]: Without dead ends: 75 [2021-10-13 01:09:14,619 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 72.8ms TimeCoverageRelationStatistics Valid=52, Invalid=104, Unknown=0, NotChecked=0, Total=156 [2021-10-13 01:09:14,619 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 75 states. [2021-10-13 01:09:14,626 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 75 to 45. [2021-10-13 01:09:14,627 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 45 states, 44 states have (on average 1.1363636363636365) internal successors, (50), 44 states have internal predecessors, (50), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 01:09:14,627 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 45 states and 50 transitions. [2021-10-13 01:09:14,628 INFO L78 Accepts]: Start accepts. Automaton has 45 states and 50 transitions. Word has length 22 [2021-10-13 01:09:14,628 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 01:09:14,628 INFO L470 AbstractCegarLoop]: Abstraction has 45 states and 50 transitions. [2021-10-13 01:09:14,628 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 2.4444444444444446) internal successors, (22), 9 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) [2021-10-13 01:09:14,628 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 50 transitions. [2021-10-13 01:09:14,629 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-10-13 01:09:14,629 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 01:09:14,629 INFO L512 BasicCegarLoop]: trace histogram [3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 01:09:14,679 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8827106-e1b6-42b7-a886-000b52f8a934/bin/uautomizer-WNIpwEf4Nt/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 0 [2021-10-13 01:09:14,856 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8827106-e1b6-42b7-a886-000b52f8a934/bin/uautomizer-WNIpwEf4Nt/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2021-10-13 01:09:14,856 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-13 01:09:14,856 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 01:09:14,856 INFO L82 PathProgramCache]: Analyzing trace with hash 1197174726, now seen corresponding path program 2 times [2021-10-13 01:09:14,856 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 01:09:14,856 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [321766289] [2021-10-13 01:09:14,857 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 01:09:14,857 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 01:09:14,877 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-10-13 01:09:14,885 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1958794004] [2021-10-13 01:09:14,885 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-10-13 01:09:14,885 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-13 01:09:14,886 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8827106-e1b6-42b7-a886-000b52f8a934/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 01:09:14,886 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8827106-e1b6-42b7-a886-000b52f8a934/bin/uautomizer-WNIpwEf4Nt/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-13 01:09:14,905 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8827106-e1b6-42b7-a886-000b52f8a934/bin/uautomizer-WNIpwEf4Nt/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2021-10-13 01:09:15,073 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-10-13 01:09:15,074 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-10-13 01:09:15,075 INFO L263 TraceCheckSpWp]: Trace formula consists of 106 conjuncts, 7 conjunts are in the unsatisfiable core [2021-10-13 01:09:15,077 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 01:09:15,224 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 8 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-10-13 01:09:15,224 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-13 01:09:15,224 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [321766289] [2021-10-13 01:09:15,224 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-10-13 01:09:15,224 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1958794004] [2021-10-13 01:09:15,225 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1958794004] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-13 01:09:15,225 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2021-10-13 01:09:15,225 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2021-10-13 01:09:15,225 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [847695514] [2021-10-13 01:09:15,226 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-10-13 01:09:15,226 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-13 01:09:15,226 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-10-13 01:09:15,227 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2021-10-13 01:09:15,227 INFO L87 Difference]: Start difference. First operand 45 states and 50 transitions. Second operand has 8 states, 8 states have (on average 3.0) internal successors, (24), 8 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) [2021-10-13 01:09:15,350 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 01:09:15,350 INFO L93 Difference]: Finished difference Result 69 states and 74 transitions. [2021-10-13 01:09:15,351 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-10-13 01:09:15,351 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 3.0) internal successors, (24), 8 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) Word has length 24 [2021-10-13 01:09:15,351 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 01:09:15,352 INFO L225 Difference]: With dead ends: 69 [2021-10-13 01:09:15,352 INFO L226 Difference]: Without dead ends: 49 [2021-10-13 01:09:15,353 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 69.9ms TimeCoverageRelationStatistics Valid=57, Invalid=99, Unknown=0, NotChecked=0, Total=156 [2021-10-13 01:09:15,353 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 49 states. [2021-10-13 01:09:15,358 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 49 to 36. [2021-10-13 01:09:15,359 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 36 states, 35 states have (on average 1.1428571428571428) internal successors, (40), 35 states have internal predecessors, (40), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 01:09:15,360 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 36 states and 40 transitions. [2021-10-13 01:09:15,360 INFO L78 Accepts]: Start accepts. Automaton has 36 states and 40 transitions. Word has length 24 [2021-10-13 01:09:15,360 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 01:09:15,360 INFO L470 AbstractCegarLoop]: Abstraction has 36 states and 40 transitions. [2021-10-13 01:09:15,361 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 3.0) internal successors, (24), 8 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) [2021-10-13 01:09:15,361 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 40 transitions. [2021-10-13 01:09:15,362 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-10-13 01:09:15,362 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 01:09:15,362 INFO L512 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 01:09:15,390 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8827106-e1b6-42b7-a886-000b52f8a934/bin/uautomizer-WNIpwEf4Nt/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Forceful destruction successful, exit code 0 [2021-10-13 01:09:15,576 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8827106-e1b6-42b7-a886-000b52f8a934/bin/uautomizer-WNIpwEf4Nt/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2021-10-13 01:09:15,576 INFO L402 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-13 01:09:15,576 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 01:09:15,576 INFO L82 PathProgramCache]: Analyzing trace with hash 1232945932, now seen corresponding path program 3 times [2021-10-13 01:09:15,577 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 01:09:15,577 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1633341536] [2021-10-13 01:09:15,577 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 01:09:15,577 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 01:09:15,592 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-10-13 01:09:15,592 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2004795276] [2021-10-13 01:09:15,592 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2021-10-13 01:09:15,593 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-13 01:09:15,593 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8827106-e1b6-42b7-a886-000b52f8a934/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 01:09:15,594 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8827106-e1b6-42b7-a886-000b52f8a934/bin/uautomizer-WNIpwEf4Nt/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-13 01:09:15,621 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8827106-e1b6-42b7-a886-000b52f8a934/bin/uautomizer-WNIpwEf4Nt/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2021-10-13 01:09:15,798 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2021-10-13 01:09:15,798 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-10-13 01:09:15,800 INFO L263 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 33 conjunts are in the unsatisfiable core [2021-10-13 01:09:15,802 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 01:09:15,826 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-10-13 01:09:15,837 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-10-13 01:09:15,893 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-13 01:09:15,894 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-13 01:09:15,895 INFO L173 IndexEqualityManager]: detected equality via solver [2021-10-13 01:09:15,898 INFO L354 Elim1Store]: treesize reduction 19, result has 5.0 percent of original size [2021-10-13 01:09:15,899 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 41 treesize of output 46 [2021-10-13 01:09:15,989 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-13 01:09:16,037 INFO L354 Elim1Store]: treesize reduction 186, result has 16.2 percent of original size [2021-10-13 01:09:16,038 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 10 case distinctions, treesize of input 59 treesize of output 63 [2021-10-13 01:09:16,256 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-13 01:09:16,257 INFO L173 IndexEqualityManager]: detected equality via solver [2021-10-13 01:09:16,258 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-13 01:09:16,259 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-13 01:09:16,260 INFO L173 IndexEqualityManager]: detected equality via solver [2021-10-13 01:09:16,261 INFO L173 IndexEqualityManager]: detected equality via solver [2021-10-13 01:09:16,328 INFO L354 Elim1Store]: treesize reduction 335, result has 9.0 percent of original size [2021-10-13 01:09:16,329 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 7 select indices, 7 select index equivalence classes, 1 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 24 case distinctions, treesize of input 90 treesize of output 103 [2021-10-13 01:09:16,521 INFO L173 IndexEqualityManager]: detected equality via solver [2021-10-13 01:09:16,522 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-13 01:09:16,679 INFO L354 Elim1Store]: treesize reduction 648, result has 10.2 percent of original size [2021-10-13 01:09:16,679 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 1 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 36 case distinctions, treesize of input 106 treesize of output 114 [2021-10-13 01:09:17,352 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-10-13 01:09:17,352 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 35 treesize of output 23 [2021-10-13 01:09:17,390 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 01:09:17,390 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-13 01:09:17,390 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1633341536] [2021-10-13 01:09:17,391 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-10-13 01:09:17,391 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2004795276] [2021-10-13 01:09:17,391 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2004795276] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-13 01:09:17,391 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2021-10-13 01:09:17,391 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13] total 13 [2021-10-13 01:09:17,391 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1798351154] [2021-10-13 01:09:17,392 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2021-10-13 01:09:17,392 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-13 01:09:17,392 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-10-13 01:09:17,393 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=141, Unknown=0, NotChecked=0, Total=182 [2021-10-13 01:09:17,393 INFO L87 Difference]: Start difference. First operand 36 states and 40 transitions. Second operand has 14 states, 13 states have (on average 1.8461538461538463) internal successors, (24), 14 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) [2021-10-13 01:09:18,552 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 01:09:18,552 INFO L93 Difference]: Finished difference Result 46 states and 52 transitions. [2021-10-13 01:09:18,553 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-10-13 01:09:18,553 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 1.8461538461538463) internal successors, (24), 14 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) Word has length 24 [2021-10-13 01:09:18,553 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 01:09:18,553 INFO L225 Difference]: With dead ends: 46 [2021-10-13 01:09:18,553 INFO L226 Difference]: Without dead ends: 0 [2021-10-13 01:09:18,554 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 64 ImplicationChecksByTransitivity, 830.7ms TimeCoverageRelationStatistics Valid=85, Invalid=295, Unknown=0, NotChecked=0, Total=380 [2021-10-13 01:09:18,554 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-10-13 01:09:18,554 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-10-13 01:09:18,554 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 01:09:18,555 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-10-13 01:09:18,555 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 24 [2021-10-13 01:09:18,555 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 01:09:18,555 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-13 01:09:18,555 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 13 states have (on average 1.8461538461538463) internal successors, (24), 14 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) [2021-10-13 01:09:18,555 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-10-13 01:09:18,555 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-10-13 01:09:18,558 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION [2021-10-13 01:09:18,589 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8827106-e1b6-42b7-a886-000b52f8a934/bin/uautomizer-WNIpwEf4Nt/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Forceful destruction successful, exit code 0 [2021-10-13 01:09:18,768 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8827106-e1b6-42b7-a886-000b52f8a934/bin/uautomizer-WNIpwEf4Nt/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2021-10-13 01:09:18,770 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-10-13 01:09:18,773 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 01:09:18,775 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 01:09:18,846 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 01:09:18,857 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 01:09:21,492 INFO L857 garLoopResultBuilder]: For program point L15(line 15) no Hoare annotation was computed. [2021-10-13 01:09:21,492 INFO L857 garLoopResultBuilder]: For program point L15-1(line 15) no Hoare annotation was computed. [2021-10-13 01:09:21,493 INFO L857 garLoopResultBuilder]: For program point L15-3(line 15) no Hoare annotation was computed. [2021-10-13 01:09:21,493 INFO L857 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2021-10-13 01:09:21,493 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-10-13 01:09:21,493 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-10-13 01:09:21,493 INFO L857 garLoopResultBuilder]: For program point L24(line 24) no Hoare annotation was computed. [2021-10-13 01:09:21,494 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 15) no Hoare annotation was computed. [2021-10-13 01:09:21,494 INFO L857 garLoopResultBuilder]: For program point L12(lines 12 14) no Hoare annotation was computed. [2021-10-13 01:09:21,494 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-10-13 01:09:21,494 INFO L857 garLoopResultBuilder]: For program point L33-2(lines 33 36) no Hoare annotation was computed. [2021-10-13 01:09:21,494 INFO L853 garLoopResultBuilder]: At program point L33-3(lines 33 36) the Hoare annotation is: (let ((.cse8 (select |#memory_int| ULTIMATE.start_main_~a~0.base))) (let ((.cse7 (select .cse8 ULTIMATE.start_main_~a~0.offset))) (let ((.cse0 (= 2 .cse7)) (.cse1 (= (select (select |#memory_int| ULTIMATE.start_main_~b~0.base) ULTIMATE.start_main_~b~0.offset) 1)) (.cse2 (= ULTIMATE.start_main_~a~0.offset 0)) (.cse3 (= (+ 20 .cse7) (select .cse8 (+ ULTIMATE.start_main_~a~0.offset 8)))) (.cse4 (= ULTIMATE.start_main_~b~0.offset 0))) (or (and .cse0 (<= 1 ULTIMATE.start_main_~i~0) .cse1 .cse2 (<= ULTIMATE.start_main_~i~0 2) (< 1 ~N~0) .cse3 .cse4) (and .cse0 .cse1 .cse2 (= ULTIMATE.start_main_~i~0 1) .cse4) (and .cse0 .cse1 (<= 3 ULTIMATE.start_main_~i~0) .cse2 .cse3 .cse4 (< 2 ~N~0) (exists ((ULTIMATE.start_main_~i~0 Int)) (and (<= 2 ULTIMATE.start_main_~i~0) (let ((.cse5 (select |#memory_int| ULTIMATE.start_main_~a~0.base)) (.cse6 (* ULTIMATE.start_main_~i~0 8))) (= (select .cse5 (+ .cse6 ULTIMATE.start_main_~a~0.offset)) (+ (select .cse5 (+ .cse6 ULTIMATE.start_main_~a~0.offset (- 8))) 20)))))))))) [2021-10-13 01:09:21,495 INFO L857 garLoopResultBuilder]: For program point L33-4(lines 33 36) no Hoare annotation was computed. [2021-10-13 01:09:21,495 INFO L857 garLoopResultBuilder]: For program point L13(line 13) no Hoare annotation was computed. [2021-10-13 01:09:21,495 INFO L857 garLoopResultBuilder]: For program point L38-2(lines 38 41) no Hoare annotation was computed. [2021-10-13 01:09:21,496 INFO L853 garLoopResultBuilder]: At program point L38-3(lines 38 41) the Hoare annotation is: (let ((.cse28 (select |#memory_int| ULTIMATE.start_main_~b~0.base)) (.cse27 (select |#memory_int| ULTIMATE.start_main_~a~0.base))) (let ((.cse15 (select .cse27 (+ ULTIMATE.start_main_~a~0.offset 8))) (.cse8 (select .cse28 (+ ULTIMATE.start_main_~b~0.offset 8))) (.cse9 (select .cse28 ULTIMATE.start_main_~b~0.offset)) (.cse24 (select .cse27 ULTIMATE.start_main_~a~0.offset))) (let ((.cse11 (= 2 .cse24)) (.cse10 (= .cse9 1)) (.cse12 (= ULTIMATE.start_main_~i~0 1)) (.cse5 (<= ~N~0 2)) (.cse0 (<= 1 ULTIMATE.start_main_~i~0)) (.cse4 (<= ULTIMATE.start_main_~i~0 2)) (.cse16 (exists ((v_ULTIMATE.start_main_~i~0_37 Int)) (and (<= 2 v_ULTIMATE.start_main_~i~0_37) (let ((.cse25 (select |#memory_int| ULTIMATE.start_main_~a~0.base)) (.cse26 (* v_ULTIMATE.start_main_~i~0_37 8))) (= (select .cse25 (+ ULTIMATE.start_main_~a~0.offset .cse26)) (+ 20 (select .cse25 (+ ULTIMATE.start_main_~a~0.offset .cse26 (- 8))))))))) (.cse1 (= .cse8 (+ .cse9 .cse24))) (.cse2 (= ULTIMATE.start_main_~a~0.offset 0)) (.cse3 (= .cse8 (+ .cse24 1))) (.cse6 (= (+ 20 .cse24) .cse15)) (.cse7 (= ULTIMATE.start_main_~b~0.offset 0)) (.cse17 (< 2 ~N~0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 (< 1 ~N~0) .cse5 .cse6 .cse7 (= .cse8 (+ .cse9 2))) (and (<= ULTIMATE.start_main_~i~0 1) .cse0 .cse10 (<= ~N~0 1) .cse7) (and .cse11 .cse10 .cse2 .cse12 .cse6 .cse7 (exists ((ULTIMATE.start_main_~i~0 Int)) (and (<= 2 ULTIMATE.start_main_~i~0) (let ((.cse13 (select |#memory_int| ULTIMATE.start_main_~a~0.base)) (.cse14 (* ULTIMATE.start_main_~i~0 8))) (= (select .cse13 (+ .cse14 ULTIMATE.start_main_~a~0.offset)) (+ (select .cse13 (+ .cse14 ULTIMATE.start_main_~a~0.offset (- 8))) 20)))))) (and .cse11 .cse10 .cse2 .cse12 .cse5 .cse6 .cse7) (and .cse0 (= .cse15 22) .cse16 .cse1 .cse2 .cse3 .cse4 .cse6 .cse7 .cse17) (and (exists ((ULTIMATE.start_main_~a~0.base Int) (v_ULTIMATE.start_main_~i~0_37 Int) (ULTIMATE.start_main_~i~0 Int)) (let ((.cse21 (select |#memory_int| ULTIMATE.start_main_~a~0.base))) (let ((.cse18 (select |#memory_int| ULTIMATE.start_main_~b~0.base)) (.cse19 (select .cse21 0)) (.cse22 (select .cse21 8))) (and (= (select .cse18 (+ ULTIMATE.start_main_~b~0.offset 8)) (+ (select .cse18 ULTIMATE.start_main_~b~0.offset) .cse19)) (<= 2 v_ULTIMATE.start_main_~i~0_37) (<= 2 ULTIMATE.start_main_~i~0) (let ((.cse20 (* ULTIMATE.start_main_~i~0 8))) (= (+ (select .cse18 (+ .cse20 ULTIMATE.start_main_~b~0.offset (- 8))) (select .cse21 (+ .cse20 (- 8)))) (select .cse18 (+ .cse20 ULTIMATE.start_main_~b~0.offset)))) (= .cse22 (+ .cse19 20)) (let ((.cse23 (* v_ULTIMATE.start_main_~i~0_37 8))) (= (select .cse21 .cse23) (+ (select .cse21 (+ .cse23 (- 8))) 20))) (= .cse22 22))))) (<= 3 ULTIMATE.start_main_~i~0) .cse16 .cse1 .cse2 .cse3 .cse6 .cse7 .cse17))))) [2021-10-13 01:09:21,496 INFO L857 garLoopResultBuilder]: For program point L38-4(lines 38 41) no Hoare annotation was computed. [2021-10-13 01:09:21,496 INFO L860 garLoopResultBuilder]: At program point L47(lines 21 48) the Hoare annotation is: true [2021-10-13 01:09:21,496 INFO L857 garLoopResultBuilder]: For program point L43-2(lines 43 46) no Hoare annotation was computed. [2021-10-13 01:09:21,497 INFO L853 garLoopResultBuilder]: At program point L43-3(lines 43 46) the Hoare annotation is: (let ((.cse22 (select |#memory_int| ULTIMATE.start_main_~a~0.base)) (.cse20 (select |#memory_int| ULTIMATE.start_main_~b~0.base))) (let ((.cse16 (select .cse20 (+ ULTIMATE.start_main_~b~0.offset 8))) (.cse17 (select .cse20 ULTIMATE.start_main_~b~0.offset)) (.cse18 (select .cse22 ULTIMATE.start_main_~a~0.offset))) (let ((.cse1 (<= ~N~0 1)) (.cse11 (<= 2 ULTIMATE.start_main_~i~0)) (.cse5 (= ULTIMATE.start_main_~i~0 0)) (.cse2 (exists ((ULTIMATE.start_main_~a~0.base Int) (v_ULTIMATE.start_main_~i~0_37 Int) (ULTIMATE.start_main_~i~0 Int)) (let ((.cse28 (select |#memory_int| ULTIMATE.start_main_~a~0.base))) (let ((.cse25 (select |#memory_int| ULTIMATE.start_main_~b~0.base)) (.cse26 (select .cse28 0)) (.cse29 (select .cse28 8))) (and (= (select .cse25 (+ ULTIMATE.start_main_~b~0.offset 8)) (+ (select .cse25 ULTIMATE.start_main_~b~0.offset) .cse26)) (<= 2 v_ULTIMATE.start_main_~i~0_37) (<= 2 ULTIMATE.start_main_~i~0) (let ((.cse27 (* ULTIMATE.start_main_~i~0 8))) (= (+ (select .cse25 (+ .cse27 ULTIMATE.start_main_~b~0.offset (- 8))) (select .cse28 (+ .cse27 (- 8)))) (select .cse25 (+ .cse27 ULTIMATE.start_main_~b~0.offset)))) (= .cse29 (+ .cse26 20)) (let ((.cse30 (* v_ULTIMATE.start_main_~i~0_37 8))) (= (select .cse28 .cse30) (+ (select .cse28 (+ .cse30 (- 8))) 20))) (= .cse29 22)))))) (.cse14 (<= 0 ULTIMATE.start___VERIFIER_assert_~cond)) (.cse15 (exists ((v_ULTIMATE.start_main_~i~0_37 Int)) (and (<= 2 v_ULTIMATE.start_main_~i~0_37) (let ((.cse23 (select |#memory_int| ULTIMATE.start_main_~a~0.base)) (.cse24 (* v_ULTIMATE.start_main_~i~0_37 8))) (= (select .cse23 (+ ULTIMATE.start_main_~a~0.offset .cse24)) (+ 20 (select .cse23 (+ ULTIMATE.start_main_~a~0.offset .cse24 (- 8))))))))) (.cse3 (= 2 .cse18)) (.cse0 (<= 1 ULTIMATE.start_main_~i~0)) (.cse4 (= .cse17 1)) (.cse6 (= ULTIMATE.start_main_~a~0.offset 0)) (.cse12 (<= ULTIMATE.start_main_~i~0 2)) (.cse13 (<= ~N~0 2)) (.cse7 (= (+ 20 .cse18) (select .cse22 (+ ULTIMATE.start_main_~a~0.offset 8)))) (.cse8 (= ULTIMATE.start_main_~b~0.offset 0)) (.cse19 (= .cse16 (+ .cse17 2)))) (or (and .cse0 .cse1) (and .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8 (exists ((ULTIMATE.start_main_~i~0 Int)) (and (<= 2 ULTIMATE.start_main_~i~0) (let ((.cse9 (select |#memory_int| ULTIMATE.start_main_~a~0.base)) (.cse10 (* ULTIMATE.start_main_~i~0 8))) (= (select .cse9 (+ .cse10 ULTIMATE.start_main_~a~0.offset)) (+ (select .cse9 (+ .cse10 ULTIMATE.start_main_~a~0.offset (- 8))) 20)))))) (and .cse11 .cse12 .cse13) (and .cse4 .cse5 .cse1 .cse8) (and .cse2 .cse11 .cse14 .cse4 .cse15 (= .cse16 (+ .cse17 .cse18)) .cse6 .cse7 .cse8) (and .cse3 .cse4 .cse5 .cse6 .cse13 .cse7 .cse8 .cse19) (and .cse2 .cse14 .cse4 (let ((.cse21 (* ULTIMATE.start_main_~i~0 8))) (= (+ (select .cse20 (+ .cse21 ULTIMATE.start_main_~b~0.offset (- 8))) (select .cse22 (+ .cse21 ULTIMATE.start_main_~a~0.offset (- 8)))) (select .cse20 (+ .cse21 ULTIMATE.start_main_~b~0.offset)))) .cse15 .cse6 (= ULTIMATE.start_main_~i~0 1) .cse7 .cse8) (and .cse3 (<= 1 ULTIMATE.start___VERIFIER_assert_~cond) .cse0 .cse4 .cse6 .cse12 .cse13 .cse7 .cse8 .cse19))))) [2021-10-13 01:09:21,497 INFO L857 garLoopResultBuilder]: For program point L43-4(lines 43 46) no Hoare annotation was computed. [2021-10-13 01:09:21,502 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-10-13 01:09:21,515 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~i~0,QUANTIFIED] [2021-10-13 01:09:21,516 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~i~0,QUANTIFIED] [2021-10-13 01:09:21,517 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~i~0,QUANTIFIED] [2021-10-13 01:09:21,517 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_37,QUANTIFIED] [2021-10-13 01:09:21,518 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_37,QUANTIFIED] [2021-10-13 01:09:21,518 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_37,QUANTIFIED] [2021-10-13 01:09:21,519 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~a~0.base,QUANTIFIED] [2021-10-13 01:09:21,519 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_37,QUANTIFIED] [2021-10-13 01:09:21,519 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~i~0,QUANTIFIED] [2021-10-13 01:09:21,520 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~i~0,QUANTIFIED] [2021-10-13 01:09:21,520 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~a~0.base,QUANTIFIED] [2021-10-13 01:09:21,520 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~i~0,QUANTIFIED] [2021-10-13 01:09:21,521 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~i~0,QUANTIFIED] [2021-10-13 01:09:21,521 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~a~0.base,QUANTIFIED] [2021-10-13 01:09:21,521 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~a~0.base,QUANTIFIED] [2021-10-13 01:09:21,521 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~a~0.base,QUANTIFIED] [2021-10-13 01:09:21,522 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_37,QUANTIFIED] [2021-10-13 01:09:21,522 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~a~0.base,QUANTIFIED] [2021-10-13 01:09:21,522 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_37,QUANTIFIED] [2021-10-13 01:09:21,523 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~a~0.base,QUANTIFIED] [2021-10-13 01:09:21,523 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_37,QUANTIFIED] [2021-10-13 01:09:21,523 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_37,QUANTIFIED] [2021-10-13 01:09:21,523 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_37,QUANTIFIED] [2021-10-13 01:09:21,541 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~i~0,QUANTIFIED] [2021-10-13 01:09:21,541 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~i~0,QUANTIFIED] [2021-10-13 01:09:21,541 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~i~0,QUANTIFIED] [2021-10-13 01:09:21,542 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_37,QUANTIFIED] [2021-10-13 01:09:21,542 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_37,QUANTIFIED] [2021-10-13 01:09:21,543 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_37,QUANTIFIED] [2021-10-13 01:09:21,543 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~a~0.base,QUANTIFIED] [2021-10-13 01:09:21,544 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_37,QUANTIFIED] [2021-10-13 01:09:21,544 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~i~0,QUANTIFIED] [2021-10-13 01:09:21,544 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~i~0,QUANTIFIED] [2021-10-13 01:09:21,545 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~a~0.base,QUANTIFIED] [2021-10-13 01:09:21,545 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~i~0,QUANTIFIED] [2021-10-13 01:09:21,545 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~i~0,QUANTIFIED] [2021-10-13 01:09:21,545 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~a~0.base,QUANTIFIED] [2021-10-13 01:09:21,546 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~a~0.base,QUANTIFIED] [2021-10-13 01:09:21,546 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~a~0.base,QUANTIFIED] [2021-10-13 01:09:21,546 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_37,QUANTIFIED] [2021-10-13 01:09:21,547 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~a~0.base,QUANTIFIED] [2021-10-13 01:09:21,547 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_37,QUANTIFIED] [2021-10-13 01:09:21,547 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~a~0.base,QUANTIFIED] [2021-10-13 01:09:21,547 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_37,QUANTIFIED] [2021-10-13 01:09:21,548 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_37,QUANTIFIED] [2021-10-13 01:09:21,548 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_37,QUANTIFIED] [2021-10-13 01:09:21,554 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~i~0,QUANTIFIED] [2021-10-13 01:09:21,555 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~i~0,QUANTIFIED] [2021-10-13 01:09:21,555 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~i~0,QUANTIFIED] [2021-10-13 01:09:21,557 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~i~0,QUANTIFIED] [2021-10-13 01:09:21,557 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~i~0,QUANTIFIED] [2021-10-13 01:09:21,558 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~i~0,QUANTIFIED] [2021-10-13 01:09:21,560 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~a~0.base,QUANTIFIED] [2021-10-13 01:09:21,560 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_37,QUANTIFIED] [2021-10-13 01:09:21,561 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~i~0,QUANTIFIED] [2021-10-13 01:09:21,561 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~i~0,QUANTIFIED] [2021-10-13 01:09:21,561 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~a~0.base,QUANTIFIED] [2021-10-13 01:09:21,562 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~i~0,QUANTIFIED] [2021-10-13 01:09:21,562 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~i~0,QUANTIFIED] [2021-10-13 01:09:21,562 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~a~0.base,QUANTIFIED] [2021-10-13 01:09:21,563 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~a~0.base,QUANTIFIED] [2021-10-13 01:09:21,563 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~a~0.base,QUANTIFIED] [2021-10-13 01:09:21,563 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_37,QUANTIFIED] [2021-10-13 01:09:21,564 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~a~0.base,QUANTIFIED] [2021-10-13 01:09:21,564 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_37,QUANTIFIED] [2021-10-13 01:09:21,564 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~a~0.base,QUANTIFIED] [2021-10-13 01:09:21,565 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~i~0,QUANTIFIED] [2021-10-13 01:09:21,565 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~i~0,QUANTIFIED] [2021-10-13 01:09:21,565 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~i~0,QUANTIFIED] [2021-10-13 01:09:21,566 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~a~0.base,QUANTIFIED] [2021-10-13 01:09:21,566 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_37,QUANTIFIED] [2021-10-13 01:09:21,566 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~i~0,QUANTIFIED] [2021-10-13 01:09:21,567 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~i~0,QUANTIFIED] [2021-10-13 01:09:21,567 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~a~0.base,QUANTIFIED] [2021-10-13 01:09:21,567 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~i~0,QUANTIFIED] [2021-10-13 01:09:21,568 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~i~0,QUANTIFIED] [2021-10-13 01:09:21,568 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~a~0.base,QUANTIFIED] [2021-10-13 01:09:21,568 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~a~0.base,QUANTIFIED] [2021-10-13 01:09:21,569 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~a~0.base,QUANTIFIED] [2021-10-13 01:09:21,569 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_37,QUANTIFIED] [2021-10-13 01:09:21,569 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~a~0.base,QUANTIFIED] [2021-10-13 01:09:21,570 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_37,QUANTIFIED] [2021-10-13 01:09:21,570 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~a~0.base,QUANTIFIED] [2021-10-13 01:09:21,570 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_37,QUANTIFIED] [2021-10-13 01:09:21,570 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_37,QUANTIFIED] [2021-10-13 01:09:21,571 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_37,QUANTIFIED] [2021-10-13 01:09:21,572 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~a~0.base,QUANTIFIED] [2021-10-13 01:09:21,572 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_37,QUANTIFIED] [2021-10-13 01:09:21,572 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~i~0,QUANTIFIED] [2021-10-13 01:09:21,573 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~i~0,QUANTIFIED] [2021-10-13 01:09:21,573 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~a~0.base,QUANTIFIED] [2021-10-13 01:09:21,573 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~i~0,QUANTIFIED] [2021-10-13 01:09:21,573 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~i~0,QUANTIFIED] [2021-10-13 01:09:21,574 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~a~0.base,QUANTIFIED] [2021-10-13 01:09:21,574 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~a~0.base,QUANTIFIED] [2021-10-13 01:09:21,574 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~a~0.base,QUANTIFIED] [2021-10-13 01:09:21,575 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_37,QUANTIFIED] [2021-10-13 01:09:21,575 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~a~0.base,QUANTIFIED] [2021-10-13 01:09:21,575 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_37,QUANTIFIED] [2021-10-13 01:09:21,575 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~a~0.base,QUANTIFIED] [2021-10-13 01:09:21,576 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_37,QUANTIFIED] [2021-10-13 01:09:21,576 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_37,QUANTIFIED] [2021-10-13 01:09:21,576 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_37,QUANTIFIED] [2021-10-13 01:09:21,582 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~a~0.base,QUANTIFIED] [2021-10-13 01:09:21,583 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_37,QUANTIFIED] [2021-10-13 01:09:21,583 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~i~0,QUANTIFIED] [2021-10-13 01:09:21,583 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~i~0,QUANTIFIED] [2021-10-13 01:09:21,584 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~a~0.base,QUANTIFIED] [2021-10-13 01:09:21,584 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~i~0,QUANTIFIED] [2021-10-13 01:09:21,584 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~i~0,QUANTIFIED] [2021-10-13 01:09:21,585 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~a~0.base,QUANTIFIED] [2021-10-13 01:09:21,585 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~a~0.base,QUANTIFIED] [2021-10-13 01:09:21,585 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~a~0.base,QUANTIFIED] [2021-10-13 01:09:21,585 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_37,QUANTIFIED] [2021-10-13 01:09:21,586 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~a~0.base,QUANTIFIED] [2021-10-13 01:09:21,586 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_37,QUANTIFIED] [2021-10-13 01:09:21,586 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~a~0.base,QUANTIFIED] [2021-10-13 01:09:21,587 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~i~0,QUANTIFIED] [2021-10-13 01:09:21,587 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~i~0,QUANTIFIED] [2021-10-13 01:09:21,587 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~i~0,QUANTIFIED] [2021-10-13 01:09:21,588 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~a~0.base,QUANTIFIED] [2021-10-13 01:09:21,588 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_37,QUANTIFIED] [2021-10-13 01:09:21,588 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~i~0,QUANTIFIED] [2021-10-13 01:09:21,589 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~i~0,QUANTIFIED] [2021-10-13 01:09:21,589 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~a~0.base,QUANTIFIED] [2021-10-13 01:09:21,589 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~i~0,QUANTIFIED] [2021-10-13 01:09:21,590 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~i~0,QUANTIFIED] [2021-10-13 01:09:21,590 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~a~0.base,QUANTIFIED] [2021-10-13 01:09:21,590 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~a~0.base,QUANTIFIED] [2021-10-13 01:09:21,590 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~a~0.base,QUANTIFIED] [2021-10-13 01:09:21,591 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_37,QUANTIFIED] [2021-10-13 01:09:21,591 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~a~0.base,QUANTIFIED] [2021-10-13 01:09:21,591 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_37,QUANTIFIED] [2021-10-13 01:09:21,592 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~a~0.base,QUANTIFIED] [2021-10-13 01:09:21,592 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_37,QUANTIFIED] [2021-10-13 01:09:21,592 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_37,QUANTIFIED] [2021-10-13 01:09:21,592 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_37,QUANTIFIED] [2021-10-13 01:09:21,593 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~a~0.base,QUANTIFIED] [2021-10-13 01:09:21,593 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_37,QUANTIFIED] [2021-10-13 01:09:21,594 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~i~0,QUANTIFIED] [2021-10-13 01:09:21,594 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~i~0,QUANTIFIED] [2021-10-13 01:09:21,594 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~a~0.base,QUANTIFIED] [2021-10-13 01:09:21,595 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~i~0,QUANTIFIED] [2021-10-13 01:09:21,595 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~i~0,QUANTIFIED] [2021-10-13 01:09:21,595 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~a~0.base,QUANTIFIED] [2021-10-13 01:09:21,596 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~a~0.base,QUANTIFIED] [2021-10-13 01:09:21,596 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~a~0.base,QUANTIFIED] [2021-10-13 01:09:21,596 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_37,QUANTIFIED] [2021-10-13 01:09:21,596 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~a~0.base,QUANTIFIED] [2021-10-13 01:09:21,597 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_37,QUANTIFIED] [2021-10-13 01:09:21,597 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~a~0.base,QUANTIFIED] [2021-10-13 01:09:21,597 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_37,QUANTIFIED] [2021-10-13 01:09:21,598 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_37,QUANTIFIED] [2021-10-13 01:09:21,598 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_37,QUANTIFIED] [2021-10-13 01:09:21,603 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.10 01:09:21 BoogieIcfgContainer [2021-10-13 01:09:21,603 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-13 01:09:21,604 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-13 01:09:21,604 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-13 01:09:21,605 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-13 01:09:21,605 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 01:08:57" (3/4) ... [2021-10-13 01:09:21,609 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-10-13 01:09:21,621 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2021-10-13 01:09:21,622 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2021-10-13 01:09:21,622 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-13 01:09:21,623 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-13 01:09:21,650 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((2 == unknown-#memory_int-unknown[a][a] && 1 <= i) && unknown-#memory_int-unknown[b][b] == 1) && a == 0) && i <= 2) && 1 < N) && 20 + unknown-#memory_int-unknown[a][a] == unknown-#memory_int-unknown[a][a + 8]) && b == 0) || ((((2 == unknown-#memory_int-unknown[a][a] && unknown-#memory_int-unknown[b][b] == 1) && a == 0) && i == 1) && b == 0)) || (((((((2 == unknown-#memory_int-unknown[a][a] && unknown-#memory_int-unknown[b][b] == 1) && 3 <= i) && a == 0) && 20 + unknown-#memory_int-unknown[a][a] == unknown-#memory_int-unknown[a][a + 8]) && b == 0) && 2 < N) && (\exists ULTIMATE.start_main_~i~0 : int :: 2 <= ULTIMATE.start_main_~i~0 && unknown-#memory_int-unknown[a][ULTIMATE.start_main_~i~0 * 8 + a] == unknown-#memory_int-unknown[a][ULTIMATE.start_main_~i~0 * 8 + a + -8] + 20)) [2021-10-13 01:09:21,651 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((((((1 <= i && unknown-#memory_int-unknown[b][b + 8] == unknown-#memory_int-unknown[b][b] + unknown-#memory_int-unknown[a][a]) && a == 0) && unknown-#memory_int-unknown[b][b + 8] == unknown-#memory_int-unknown[a][a] + 1) && i <= 2) && 1 < N) && N <= 2) && 20 + unknown-#memory_int-unknown[a][a] == unknown-#memory_int-unknown[a][a + 8]) && b == 0) && unknown-#memory_int-unknown[b][b + 8] == unknown-#memory_int-unknown[b][b] + 2) || ((((i <= 1 && 1 <= i) && unknown-#memory_int-unknown[b][b] == 1) && N <= 1) && b == 0)) || ((((((2 == unknown-#memory_int-unknown[a][a] && unknown-#memory_int-unknown[b][b] == 1) && a == 0) && i == 1) && 20 + unknown-#memory_int-unknown[a][a] == unknown-#memory_int-unknown[a][a + 8]) && b == 0) && (\exists ULTIMATE.start_main_~i~0 : int :: 2 <= ULTIMATE.start_main_~i~0 && unknown-#memory_int-unknown[a][ULTIMATE.start_main_~i~0 * 8 + a] == unknown-#memory_int-unknown[a][ULTIMATE.start_main_~i~0 * 8 + a + -8] + 20))) || ((((((2 == unknown-#memory_int-unknown[a][a] && unknown-#memory_int-unknown[b][b] == 1) && a == 0) && i == 1) && N <= 2) && 20 + unknown-#memory_int-unknown[a][a] == unknown-#memory_int-unknown[a][a + 8]) && b == 0)) || (((((((((1 <= i && unknown-#memory_int-unknown[a][a + 8] == 22) && (\exists v_ULTIMATE.start_main_~i~0_37 : int :: 2 <= v_ULTIMATE.start_main_~i~0_37 && unknown-#memory_int-unknown[a][a + v_ULTIMATE.start_main_~i~0_37 * 8] == 20 + unknown-#memory_int-unknown[a][a + v_ULTIMATE.start_main_~i~0_37 * 8 + -8])) && unknown-#memory_int-unknown[b][b + 8] == unknown-#memory_int-unknown[b][b] + unknown-#memory_int-unknown[a][a]) && a == 0) && unknown-#memory_int-unknown[b][b + 8] == unknown-#memory_int-unknown[a][a] + 1) && i <= 2) && 20 + unknown-#memory_int-unknown[a][a] == unknown-#memory_int-unknown[a][a + 8]) && b == 0) && 2 < N)) || (((((((((\exists ULTIMATE.start_main_~a~0.base : int, v_ULTIMATE.start_main_~i~0_37 : int, ULTIMATE.start_main_~i~0 : int :: (((((unknown-#memory_int-unknown[b][b + 8] == unknown-#memory_int-unknown[b][b] + unknown-#memory_int-unknown[ULTIMATE.start_main_~a~0.base][0] && 2 <= v_ULTIMATE.start_main_~i~0_37) && 2 <= ULTIMATE.start_main_~i~0) && unknown-#memory_int-unknown[b][ULTIMATE.start_main_~i~0 * 8 + b + -8] + unknown-#memory_int-unknown[ULTIMATE.start_main_~a~0.base][ULTIMATE.start_main_~i~0 * 8 + -8] == unknown-#memory_int-unknown[b][ULTIMATE.start_main_~i~0 * 8 + b]) && unknown-#memory_int-unknown[ULTIMATE.start_main_~a~0.base][8] == unknown-#memory_int-unknown[ULTIMATE.start_main_~a~0.base][0] + 20) && unknown-#memory_int-unknown[ULTIMATE.start_main_~a~0.base][v_ULTIMATE.start_main_~i~0_37 * 8] == unknown-#memory_int-unknown[ULTIMATE.start_main_~a~0.base][v_ULTIMATE.start_main_~i~0_37 * 8 + -8] + 20) && unknown-#memory_int-unknown[ULTIMATE.start_main_~a~0.base][8] == 22) && 3 <= i) && (\exists v_ULTIMATE.start_main_~i~0_37 : int :: 2 <= v_ULTIMATE.start_main_~i~0_37 && unknown-#memory_int-unknown[a][a + v_ULTIMATE.start_main_~i~0_37 * 8] == 20 + unknown-#memory_int-unknown[a][a + v_ULTIMATE.start_main_~i~0_37 * 8 + -8])) && unknown-#memory_int-unknown[b][b + 8] == unknown-#memory_int-unknown[b][b] + unknown-#memory_int-unknown[a][a]) && a == 0) && unknown-#memory_int-unknown[b][b + 8] == unknown-#memory_int-unknown[a][a] + 1) && 20 + unknown-#memory_int-unknown[a][a] == unknown-#memory_int-unknown[a][a + 8]) && b == 0) && 2 < N) [2021-10-13 01:09:21,651 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((1 <= i && N <= 1) || ((((((((\exists ULTIMATE.start_main_~a~0.base : int, v_ULTIMATE.start_main_~i~0_37 : int, ULTIMATE.start_main_~i~0 : int :: (((((unknown-#memory_int-unknown[b][b + 8] == unknown-#memory_int-unknown[b][b] + unknown-#memory_int-unknown[ULTIMATE.start_main_~a~0.base][0] && 2 <= v_ULTIMATE.start_main_~i~0_37) && 2 <= ULTIMATE.start_main_~i~0) && unknown-#memory_int-unknown[b][ULTIMATE.start_main_~i~0 * 8 + b + -8] + unknown-#memory_int-unknown[ULTIMATE.start_main_~a~0.base][ULTIMATE.start_main_~i~0 * 8 + -8] == unknown-#memory_int-unknown[b][ULTIMATE.start_main_~i~0 * 8 + b]) && unknown-#memory_int-unknown[ULTIMATE.start_main_~a~0.base][8] == unknown-#memory_int-unknown[ULTIMATE.start_main_~a~0.base][0] + 20) && unknown-#memory_int-unknown[ULTIMATE.start_main_~a~0.base][v_ULTIMATE.start_main_~i~0_37 * 8] == unknown-#memory_int-unknown[ULTIMATE.start_main_~a~0.base][v_ULTIMATE.start_main_~i~0_37 * 8 + -8] + 20) && unknown-#memory_int-unknown[ULTIMATE.start_main_~a~0.base][8] == 22) && 2 == unknown-#memory_int-unknown[a][a]) && unknown-#memory_int-unknown[b][b] == 1) && i == 0) && a == 0) && 20 + unknown-#memory_int-unknown[a][a] == unknown-#memory_int-unknown[a][a + 8]) && b == 0) && (\exists ULTIMATE.start_main_~i~0 : int :: 2 <= ULTIMATE.start_main_~i~0 && unknown-#memory_int-unknown[a][ULTIMATE.start_main_~i~0 * 8 + a] == unknown-#memory_int-unknown[a][ULTIMATE.start_main_~i~0 * 8 + a + -8] + 20))) || ((2 <= i && i <= 2) && N <= 2)) || (((unknown-#memory_int-unknown[b][b] == 1 && i == 0) && N <= 1) && b == 0)) || (((((((((\exists ULTIMATE.start_main_~a~0.base : int, v_ULTIMATE.start_main_~i~0_37 : int, ULTIMATE.start_main_~i~0 : int :: (((((unknown-#memory_int-unknown[b][b + 8] == unknown-#memory_int-unknown[b][b] + unknown-#memory_int-unknown[ULTIMATE.start_main_~a~0.base][0] && 2 <= v_ULTIMATE.start_main_~i~0_37) && 2 <= ULTIMATE.start_main_~i~0) && unknown-#memory_int-unknown[b][ULTIMATE.start_main_~i~0 * 8 + b + -8] + unknown-#memory_int-unknown[ULTIMATE.start_main_~a~0.base][ULTIMATE.start_main_~i~0 * 8 + -8] == unknown-#memory_int-unknown[b][ULTIMATE.start_main_~i~0 * 8 + b]) && unknown-#memory_int-unknown[ULTIMATE.start_main_~a~0.base][8] == unknown-#memory_int-unknown[ULTIMATE.start_main_~a~0.base][0] + 20) && unknown-#memory_int-unknown[ULTIMATE.start_main_~a~0.base][v_ULTIMATE.start_main_~i~0_37 * 8] == unknown-#memory_int-unknown[ULTIMATE.start_main_~a~0.base][v_ULTIMATE.start_main_~i~0_37 * 8 + -8] + 20) && unknown-#memory_int-unknown[ULTIMATE.start_main_~a~0.base][8] == 22) && 2 <= i) && 0 <= cond) && unknown-#memory_int-unknown[b][b] == 1) && (\exists v_ULTIMATE.start_main_~i~0_37 : int :: 2 <= v_ULTIMATE.start_main_~i~0_37 && unknown-#memory_int-unknown[a][a + v_ULTIMATE.start_main_~i~0_37 * 8] == 20 + unknown-#memory_int-unknown[a][a + v_ULTIMATE.start_main_~i~0_37 * 8 + -8])) && unknown-#memory_int-unknown[b][b + 8] == unknown-#memory_int-unknown[b][b] + unknown-#memory_int-unknown[a][a]) && a == 0) && 20 + unknown-#memory_int-unknown[a][a] == unknown-#memory_int-unknown[a][a + 8]) && b == 0)) || (((((((2 == unknown-#memory_int-unknown[a][a] && unknown-#memory_int-unknown[b][b] == 1) && i == 0) && a == 0) && N <= 2) && 20 + unknown-#memory_int-unknown[a][a] == unknown-#memory_int-unknown[a][a + 8]) && b == 0) && unknown-#memory_int-unknown[b][b + 8] == unknown-#memory_int-unknown[b][b] + 2)) || (((((((((\exists ULTIMATE.start_main_~a~0.base : int, v_ULTIMATE.start_main_~i~0_37 : int, ULTIMATE.start_main_~i~0 : int :: (((((unknown-#memory_int-unknown[b][b + 8] == unknown-#memory_int-unknown[b][b] + unknown-#memory_int-unknown[ULTIMATE.start_main_~a~0.base][0] && 2 <= v_ULTIMATE.start_main_~i~0_37) && 2 <= ULTIMATE.start_main_~i~0) && unknown-#memory_int-unknown[b][ULTIMATE.start_main_~i~0 * 8 + b + -8] + unknown-#memory_int-unknown[ULTIMATE.start_main_~a~0.base][ULTIMATE.start_main_~i~0 * 8 + -8] == unknown-#memory_int-unknown[b][ULTIMATE.start_main_~i~0 * 8 + b]) && unknown-#memory_int-unknown[ULTIMATE.start_main_~a~0.base][8] == unknown-#memory_int-unknown[ULTIMATE.start_main_~a~0.base][0] + 20) && unknown-#memory_int-unknown[ULTIMATE.start_main_~a~0.base][v_ULTIMATE.start_main_~i~0_37 * 8] == unknown-#memory_int-unknown[ULTIMATE.start_main_~a~0.base][v_ULTIMATE.start_main_~i~0_37 * 8 + -8] + 20) && unknown-#memory_int-unknown[ULTIMATE.start_main_~a~0.base][8] == 22) && 0 <= cond) && unknown-#memory_int-unknown[b][b] == 1) && unknown-#memory_int-unknown[b][i * 8 + b + -8] + unknown-#memory_int-unknown[a][i * 8 + a + -8] == unknown-#memory_int-unknown[b][i * 8 + b]) && (\exists v_ULTIMATE.start_main_~i~0_37 : int :: 2 <= v_ULTIMATE.start_main_~i~0_37 && unknown-#memory_int-unknown[a][a + v_ULTIMATE.start_main_~i~0_37 * 8] == 20 + unknown-#memory_int-unknown[a][a + v_ULTIMATE.start_main_~i~0_37 * 8 + -8])) && a == 0) && i == 1) && 20 + unknown-#memory_int-unknown[a][a] == unknown-#memory_int-unknown[a][a + 8]) && b == 0)) || (((((((((2 == unknown-#memory_int-unknown[a][a] && 1 <= cond) && 1 <= i) && unknown-#memory_int-unknown[b][b] == 1) && a == 0) && i <= 2) && N <= 2) && 20 + unknown-#memory_int-unknown[a][a] == unknown-#memory_int-unknown[a][a + 8]) && b == 0) && unknown-#memory_int-unknown[b][b + 8] == unknown-#memory_int-unknown[b][b] + 2) [2021-10-13 01:09:21,663 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8827106-e1b6-42b7-a886-000b52f8a934/bin/uautomizer-WNIpwEf4Nt/witness.graphml [2021-10-13 01:09:21,663 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-13 01:09:21,665 INFO L168 Benchmark]: Toolchain (without parser) took 25566.66 ms. Allocated memory was 117.4 MB in the beginning and 188.7 MB in the end (delta: 71.3 MB). Free memory was 82.6 MB in the beginning and 117.2 MB in the end (delta: -34.5 MB). Peak memory consumption was 35.5 MB. Max. memory is 16.1 GB. [2021-10-13 01:09:21,665 INFO L168 Benchmark]: CDTParser took 0.30 ms. Allocated memory is still 77.6 MB. Free memory was 48.1 MB in the beginning and 48.0 MB in the end (delta: 26.3 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-13 01:09:21,666 INFO L168 Benchmark]: CACSL2BoogieTranslator took 352.48 ms. Allocated memory is still 117.4 MB. Free memory was 82.4 MB in the beginning and 92.7 MB in the end (delta: -10.3 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-10-13 01:09:21,666 INFO L168 Benchmark]: Boogie Procedure Inliner took 49.65 ms. Allocated memory is still 117.4 MB. Free memory was 92.7 MB in the beginning and 91.4 MB in the end (delta: 1.3 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-13 01:09:21,667 INFO L168 Benchmark]: Boogie Preprocessor took 45.50 ms. Allocated memory is still 117.4 MB. Free memory was 91.4 MB in the beginning and 89.9 MB in the end (delta: 1.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-13 01:09:21,667 INFO L168 Benchmark]: RCFGBuilder took 490.43 ms. Allocated memory is still 117.4 MB. Free memory was 89.9 MB in the beginning and 78.8 MB in the end (delta: 11.1 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-10-13 01:09:21,668 INFO L168 Benchmark]: TraceAbstraction took 24561.00 ms. Allocated memory was 117.4 MB in the beginning and 188.7 MB in the end (delta: 71.3 MB). Free memory was 78.8 MB in the beginning and 120.3 MB in the end (delta: -41.5 MB). Peak memory consumption was 99.2 MB. Max. memory is 16.1 GB. [2021-10-13 01:09:21,668 INFO L168 Benchmark]: Witness Printer took 59.50 ms. Allocated memory is still 188.7 MB. Free memory was 120.3 MB in the beginning and 117.2 MB in the end (delta: 3.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-13 01:09:21,671 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.30 ms. Allocated memory is still 77.6 MB. Free memory was 48.1 MB in the beginning and 48.0 MB in the end (delta: 26.3 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 352.48 ms. Allocated memory is still 117.4 MB. Free memory was 82.4 MB in the beginning and 92.7 MB in the end (delta: -10.3 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 49.65 ms. Allocated memory is still 117.4 MB. Free memory was 92.7 MB in the beginning and 91.4 MB in the end (delta: 1.3 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 45.50 ms. Allocated memory is still 117.4 MB. Free memory was 91.4 MB in the beginning and 89.9 MB in the end (delta: 1.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 490.43 ms. Allocated memory is still 117.4 MB. Free memory was 89.9 MB in the beginning and 78.8 MB in the end (delta: 11.1 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * TraceAbstraction took 24561.00 ms. Allocated memory was 117.4 MB in the beginning and 188.7 MB in the end (delta: 71.3 MB). Free memory was 78.8 MB in the beginning and 120.3 MB in the end (delta: -41.5 MB). Peak memory consumption was 99.2 MB. Max. memory is 16.1 GB. * Witness Printer took 59.50 ms. Allocated memory is still 188.7 MB. Free memory was 120.3 MB in the beginning and 117.2 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[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[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_37,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_37,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_37,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_37,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[ULTIMATE.start_main_~a~0.base,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[ULTIMATE.start_main_~a~0.base,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~a~0.base,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~a~0.base,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_37,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_37,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_37,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_37,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_37,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[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_37,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_37,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_37,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_37,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[ULTIMATE.start_main_~a~0.base,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[ULTIMATE.start_main_~a~0.base,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~a~0.base,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~a~0.base,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_37,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_37,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_37,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_37,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_37,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[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[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[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_37,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[ULTIMATE.start_main_~a~0.base,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[ULTIMATE.start_main_~a~0.base,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~a~0.base,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~a~0.base,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_37,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_37,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_~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[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[v_ULTIMATE.start_main_~i~0_37,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[ULTIMATE.start_main_~a~0.base,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[ULTIMATE.start_main_~a~0.base,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~a~0.base,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~a~0.base,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_37,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_37,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_37,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_37,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_37,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_37,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[ULTIMATE.start_main_~a~0.base,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[ULTIMATE.start_main_~a~0.base,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~a~0.base,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~a~0.base,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_37,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_37,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_37,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_37,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_37,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_37,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[ULTIMATE.start_main_~a~0.base,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[ULTIMATE.start_main_~a~0.base,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~a~0.base,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~a~0.base,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_37,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_37,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_~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[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[v_ULTIMATE.start_main_~i~0_37,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[ULTIMATE.start_main_~a~0.base,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[ULTIMATE.start_main_~a~0.base,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~a~0.base,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~a~0.base,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_37,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_37,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_37,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_37,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_37,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_37,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[ULTIMATE.start_main_~a~0.base,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[ULTIMATE.start_main_~a~0.base,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~a~0.base,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~a~0.base,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_37,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_37,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_37,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_37,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_37,QUANTIFIED] * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0ms ErrorAutomatonConstructionTimeTotal, 0.0ms FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0ms ErrorAutomatonConstructionTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 15]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 21 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 24371.3ms, OverallIterations: 13, TraceHistogramMax: 3, EmptinessCheckTime: 33.0ms, AutomataDifference: 6182.7ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 2723.5ms, InitialAbstractionConstructionTime: 12.0ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 209 SDtfs, 412 SDslu, 494 SDs, 0 SdLazy, 892 SolverSat, 184 SolverUnsat, 1 SolverUnknown, 0 SolverNotchecked, 3930.5ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 262 GetRequests, 140 SyntacticMatches, 0 SemanticMatches, 122 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 201 ImplicationChecksByTransitivity, 2778.4ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=45occurred in iteration=11, InterpolantAutomatonStates: 124, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: 133.7ms AutomataMinimizationTime, 13 MinimizatonAttempts, 180 StatesRemovedByMinimization, 11 NontrivialMinimizations, HoareAnnotationStatistics: 0.0ms HoareAnnotationTime, 4 LocationsWithAnnotation, 4 PreInvPairs, 28 NumberOfFragments, 1321 HoareAnnotationTreeSize, 4 FomulaSimplifications, 1525 FormulaSimplificationTreeSizeReduction, 109.8ms HoareSimplificationTime, 4 FomulaSimplificationsInter, 1418 FormulaSimplificationTreeSizeReductionInter, 2605.3ms HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 131.5ms SsaConstructionTime, 329.4ms SatisfiabilityAnalysisTime, 10284.2ms InterpolantComputationTime, 230 NumberOfCodeBlocks, 230 NumberOfCodeBlocksAsserted, 23 NumberOfCheckSat, 217 ConstructedInterpolants, 36 QuantifiedInterpolants, 3470 SizeOfPredicates, 74 NumberOfNonLiveVariables, 1075 ConjunctsInSsa, 140 ConjunctsInUnsatCore, 13 InterpolantComputations, 4 PerfectInterpolantSequences, 21/61 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: 21]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 38]: Loop Invariant [2021-10-13 01:09:21,706 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~i~0,QUANTIFIED] [2021-10-13 01:09:21,707 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~i~0,QUANTIFIED] [2021-10-13 01:09:21,707 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~i~0,QUANTIFIED] [2021-10-13 01:09:21,707 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_37,QUANTIFIED] [2021-10-13 01:09:21,707 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_37,QUANTIFIED] [2021-10-13 01:09:21,708 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_37,QUANTIFIED] [2021-10-13 01:09:21,711 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~a~0.base,QUANTIFIED] [2021-10-13 01:09:21,712 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_37,QUANTIFIED] [2021-10-13 01:09:21,712 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~i~0,QUANTIFIED] [2021-10-13 01:09:21,712 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~i~0,QUANTIFIED] [2021-10-13 01:09:21,713 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~a~0.base,QUANTIFIED] [2021-10-13 01:09:21,713 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~i~0,QUANTIFIED] [2021-10-13 01:09:21,713 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~i~0,QUANTIFIED] [2021-10-13 01:09:21,713 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~a~0.base,QUANTIFIED] [2021-10-13 01:09:21,714 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~a~0.base,QUANTIFIED] [2021-10-13 01:09:21,714 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~a~0.base,QUANTIFIED] [2021-10-13 01:09:21,714 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_37,QUANTIFIED] [2021-10-13 01:09:21,715 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~a~0.base,QUANTIFIED] [2021-10-13 01:09:21,716 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_37,QUANTIFIED] [2021-10-13 01:09:21,717 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~a~0.base,QUANTIFIED] [2021-10-13 01:09:21,717 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_37,QUANTIFIED] [2021-10-13 01:09:21,717 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_37,QUANTIFIED] [2021-10-13 01:09:21,718 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_37,QUANTIFIED] [2021-10-13 01:09:21,723 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~i~0,QUANTIFIED] [2021-10-13 01:09:21,728 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~i~0,QUANTIFIED] [2021-10-13 01:09:21,732 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~i~0,QUANTIFIED] [2021-10-13 01:09:21,733 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_37,QUANTIFIED] [2021-10-13 01:09:21,733 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_37,QUANTIFIED] [2021-10-13 01:09:21,733 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_37,QUANTIFIED] [2021-10-13 01:09:21,734 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~a~0.base,QUANTIFIED] [2021-10-13 01:09:21,734 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_37,QUANTIFIED] [2021-10-13 01:09:21,734 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~i~0,QUANTIFIED] [2021-10-13 01:09:21,734 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~i~0,QUANTIFIED] [2021-10-13 01:09:21,735 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~a~0.base,QUANTIFIED] [2021-10-13 01:09:21,735 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~i~0,QUANTIFIED] [2021-10-13 01:09:21,735 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~i~0,QUANTIFIED] [2021-10-13 01:09:21,736 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~a~0.base,QUANTIFIED] [2021-10-13 01:09:21,736 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~a~0.base,QUANTIFIED] [2021-10-13 01:09:21,736 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~a~0.base,QUANTIFIED] [2021-10-13 01:09:21,736 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_37,QUANTIFIED] [2021-10-13 01:09:21,737 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~a~0.base,QUANTIFIED] [2021-10-13 01:09:21,737 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_37,QUANTIFIED] [2021-10-13 01:09:21,737 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~a~0.base,QUANTIFIED] [2021-10-13 01:09:21,737 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_37,QUANTIFIED] [2021-10-13 01:09:21,739 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_37,QUANTIFIED] [2021-10-13 01:09:21,740 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_37,QUANTIFIED] Derived loop invariant: (((((((((((((1 <= i && unknown-#memory_int-unknown[b][b + 8] == unknown-#memory_int-unknown[b][b] + unknown-#memory_int-unknown[a][a]) && a == 0) && unknown-#memory_int-unknown[b][b + 8] == unknown-#memory_int-unknown[a][a] + 1) && i <= 2) && 1 < N) && N <= 2) && 20 + unknown-#memory_int-unknown[a][a] == unknown-#memory_int-unknown[a][a + 8]) && b == 0) && unknown-#memory_int-unknown[b][b + 8] == unknown-#memory_int-unknown[b][b] + 2) || ((((i <= 1 && 1 <= i) && unknown-#memory_int-unknown[b][b] == 1) && N <= 1) && b == 0)) || ((((((2 == unknown-#memory_int-unknown[a][a] && unknown-#memory_int-unknown[b][b] == 1) && a == 0) && i == 1) && 20 + unknown-#memory_int-unknown[a][a] == unknown-#memory_int-unknown[a][a + 8]) && b == 0) && (\exists ULTIMATE.start_main_~i~0 : int :: 2 <= ULTIMATE.start_main_~i~0 && unknown-#memory_int-unknown[a][ULTIMATE.start_main_~i~0 * 8 + a] == unknown-#memory_int-unknown[a][ULTIMATE.start_main_~i~0 * 8 + a + -8] + 20))) || ((((((2 == unknown-#memory_int-unknown[a][a] && unknown-#memory_int-unknown[b][b] == 1) && a == 0) && i == 1) && N <= 2) && 20 + unknown-#memory_int-unknown[a][a] == unknown-#memory_int-unknown[a][a + 8]) && b == 0)) || (((((((((1 <= i && unknown-#memory_int-unknown[a][a + 8] == 22) && (\exists v_ULTIMATE.start_main_~i~0_37 : int :: 2 <= v_ULTIMATE.start_main_~i~0_37 && unknown-#memory_int-unknown[a][a + v_ULTIMATE.start_main_~i~0_37 * 8] == 20 + unknown-#memory_int-unknown[a][a + v_ULTIMATE.start_main_~i~0_37 * 8 + -8])) && unknown-#memory_int-unknown[b][b + 8] == unknown-#memory_int-unknown[b][b] + unknown-#memory_int-unknown[a][a]) && a == 0) && unknown-#memory_int-unknown[b][b + 8] == unknown-#memory_int-unknown[a][a] + 1) && i <= 2) && 20 + unknown-#memory_int-unknown[a][a] == unknown-#memory_int-unknown[a][a + 8]) && b == 0) && 2 < N)) || (((((((((\exists ULTIMATE.start_main_~a~0.base : int, v_ULTIMATE.start_main_~i~0_37 : int, ULTIMATE.start_main_~i~0 : int :: (((((unknown-#memory_int-unknown[b][b + 8] == unknown-#memory_int-unknown[b][b] + unknown-#memory_int-unknown[ULTIMATE.start_main_~a~0.base][0] && 2 <= v_ULTIMATE.start_main_~i~0_37) && 2 <= ULTIMATE.start_main_~i~0) && unknown-#memory_int-unknown[b][ULTIMATE.start_main_~i~0 * 8 + b + -8] + unknown-#memory_int-unknown[ULTIMATE.start_main_~a~0.base][ULTIMATE.start_main_~i~0 * 8 + -8] == unknown-#memory_int-unknown[b][ULTIMATE.start_main_~i~0 * 8 + b]) && unknown-#memory_int-unknown[ULTIMATE.start_main_~a~0.base][8] == unknown-#memory_int-unknown[ULTIMATE.start_main_~a~0.base][0] + 20) && unknown-#memory_int-unknown[ULTIMATE.start_main_~a~0.base][v_ULTIMATE.start_main_~i~0_37 * 8] == unknown-#memory_int-unknown[ULTIMATE.start_main_~a~0.base][v_ULTIMATE.start_main_~i~0_37 * 8 + -8] + 20) && unknown-#memory_int-unknown[ULTIMATE.start_main_~a~0.base][8] == 22) && 3 <= i) && (\exists v_ULTIMATE.start_main_~i~0_37 : int :: 2 <= v_ULTIMATE.start_main_~i~0_37 && unknown-#memory_int-unknown[a][a + v_ULTIMATE.start_main_~i~0_37 * 8] == 20 + unknown-#memory_int-unknown[a][a + v_ULTIMATE.start_main_~i~0_37 * 8 + -8])) && unknown-#memory_int-unknown[b][b + 8] == unknown-#memory_int-unknown[b][b] + unknown-#memory_int-unknown[a][a]) && a == 0) && unknown-#memory_int-unknown[b][b + 8] == unknown-#memory_int-unknown[a][a] + 1) && 20 + unknown-#memory_int-unknown[a][a] == unknown-#memory_int-unknown[a][a + 8]) && b == 0) && 2 < N) - InvariantResult [Line: 33]: Loop Invariant [2021-10-13 01:09:21,744 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~i~0,QUANTIFIED] [2021-10-13 01:09:21,744 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~i~0,QUANTIFIED] [2021-10-13 01:09:21,745 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~i~0,QUANTIFIED] [2021-10-13 01:09:21,746 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~i~0,QUANTIFIED] [2021-10-13 01:09:21,747 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~i~0,QUANTIFIED] [2021-10-13 01:09:21,747 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~i~0,QUANTIFIED] Derived loop invariant: ((((((((2 == unknown-#memory_int-unknown[a][a] && 1 <= i) && unknown-#memory_int-unknown[b][b] == 1) && a == 0) && i <= 2) && 1 < N) && 20 + unknown-#memory_int-unknown[a][a] == unknown-#memory_int-unknown[a][a + 8]) && b == 0) || ((((2 == unknown-#memory_int-unknown[a][a] && unknown-#memory_int-unknown[b][b] == 1) && a == 0) && i == 1) && b == 0)) || (((((((2 == unknown-#memory_int-unknown[a][a] && unknown-#memory_int-unknown[b][b] == 1) && 3 <= i) && a == 0) && 20 + unknown-#memory_int-unknown[a][a] == unknown-#memory_int-unknown[a][a + 8]) && b == 0) && 2 < N) && (\exists ULTIMATE.start_main_~i~0 : int :: 2 <= ULTIMATE.start_main_~i~0 && unknown-#memory_int-unknown[a][ULTIMATE.start_main_~i~0 * 8 + a] == unknown-#memory_int-unknown[a][ULTIMATE.start_main_~i~0 * 8 + a + -8] + 20)) - InvariantResult [Line: 43]: Loop Invariant [2021-10-13 01:09:21,749 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~a~0.base,QUANTIFIED] [2021-10-13 01:09:21,749 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_37,QUANTIFIED] [2021-10-13 01:09:21,750 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~i~0,QUANTIFIED] [2021-10-13 01:09:21,750 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~i~0,QUANTIFIED] [2021-10-13 01:09:21,750 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~a~0.base,QUANTIFIED] [2021-10-13 01:09:21,751 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~i~0,QUANTIFIED] [2021-10-13 01:09:21,751 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~i~0,QUANTIFIED] [2021-10-13 01:09:21,751 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~a~0.base,QUANTIFIED] [2021-10-13 01:09:21,752 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~a~0.base,QUANTIFIED] [2021-10-13 01:09:21,752 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~a~0.base,QUANTIFIED] [2021-10-13 01:09:21,752 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_37,QUANTIFIED] [2021-10-13 01:09:21,753 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~a~0.base,QUANTIFIED] [2021-10-13 01:09:21,753 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_37,QUANTIFIED] [2021-10-13 01:09:21,753 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~a~0.base,QUANTIFIED] [2021-10-13 01:09:21,754 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~i~0,QUANTIFIED] [2021-10-13 01:09:21,754 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~i~0,QUANTIFIED] [2021-10-13 01:09:21,754 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~i~0,QUANTIFIED] [2021-10-13 01:09:21,754 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~a~0.base,QUANTIFIED] [2021-10-13 01:09:21,755 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_37,QUANTIFIED] [2021-10-13 01:09:21,755 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~i~0,QUANTIFIED] [2021-10-13 01:09:21,755 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~i~0,QUANTIFIED] [2021-10-13 01:09:21,755 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~a~0.base,QUANTIFIED] [2021-10-13 01:09:21,756 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~i~0,QUANTIFIED] [2021-10-13 01:09:21,756 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~i~0,QUANTIFIED] [2021-10-13 01:09:21,757 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~a~0.base,QUANTIFIED] [2021-10-13 01:09:21,757 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~a~0.base,QUANTIFIED] [2021-10-13 01:09:21,757 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~a~0.base,QUANTIFIED] [2021-10-13 01:09:21,757 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_37,QUANTIFIED] [2021-10-13 01:09:21,758 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~a~0.base,QUANTIFIED] [2021-10-13 01:09:21,758 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_37,QUANTIFIED] [2021-10-13 01:09:21,758 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~a~0.base,QUANTIFIED] [2021-10-13 01:09:21,759 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_37,QUANTIFIED] [2021-10-13 01:09:21,759 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_37,QUANTIFIED] [2021-10-13 01:09:21,759 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_37,QUANTIFIED] [2021-10-13 01:09:21,759 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~a~0.base,QUANTIFIED] [2021-10-13 01:09:21,760 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_37,QUANTIFIED] [2021-10-13 01:09:21,760 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~i~0,QUANTIFIED] [2021-10-13 01:09:21,760 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~i~0,QUANTIFIED] [2021-10-13 01:09:21,760 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~a~0.base,QUANTIFIED] [2021-10-13 01:09:21,761 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~i~0,QUANTIFIED] [2021-10-13 01:09:21,761 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~i~0,QUANTIFIED] [2021-10-13 01:09:21,763 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~a~0.base,QUANTIFIED] [2021-10-13 01:09:21,763 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~a~0.base,QUANTIFIED] [2021-10-13 01:09:21,764 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~a~0.base,QUANTIFIED] [2021-10-13 01:09:21,764 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_37,QUANTIFIED] [2021-10-13 01:09:21,764 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~a~0.base,QUANTIFIED] [2021-10-13 01:09:21,765 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_37,QUANTIFIED] [2021-10-13 01:09:21,765 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~a~0.base,QUANTIFIED] [2021-10-13 01:09:21,766 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_37,QUANTIFIED] [2021-10-13 01:09:21,767 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_37,QUANTIFIED] [2021-10-13 01:09:21,768 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_37,QUANTIFIED] [2021-10-13 01:09:21,772 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~a~0.base,QUANTIFIED] [2021-10-13 01:09:21,772 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_37,QUANTIFIED] [2021-10-13 01:09:21,773 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~i~0,QUANTIFIED] [2021-10-13 01:09:21,773 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~i~0,QUANTIFIED] [2021-10-13 01:09:21,773 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~a~0.base,QUANTIFIED] [2021-10-13 01:09:21,774 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~i~0,QUANTIFIED] [2021-10-13 01:09:21,774 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~i~0,QUANTIFIED] [2021-10-13 01:09:21,774 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~a~0.base,QUANTIFIED] [2021-10-13 01:09:21,774 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~a~0.base,QUANTIFIED] [2021-10-13 01:09:21,775 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~a~0.base,QUANTIFIED] [2021-10-13 01:09:21,775 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_37,QUANTIFIED] [2021-10-13 01:09:21,775 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~a~0.base,QUANTIFIED] [2021-10-13 01:09:21,776 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_37,QUANTIFIED] [2021-10-13 01:09:21,776 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~a~0.base,QUANTIFIED] [2021-10-13 01:09:21,776 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~i~0,QUANTIFIED] [2021-10-13 01:09:21,776 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~i~0,QUANTIFIED] [2021-10-13 01:09:21,777 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~i~0,QUANTIFIED] [2021-10-13 01:09:21,778 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~a~0.base,QUANTIFIED] [2021-10-13 01:09:21,778 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_37,QUANTIFIED] [2021-10-13 01:09:21,778 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~i~0,QUANTIFIED] [2021-10-13 01:09:21,778 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~i~0,QUANTIFIED] [2021-10-13 01:09:21,779 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~a~0.base,QUANTIFIED] [2021-10-13 01:09:21,779 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~i~0,QUANTIFIED] [2021-10-13 01:09:21,779 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~i~0,QUANTIFIED] [2021-10-13 01:09:21,780 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~a~0.base,QUANTIFIED] [2021-10-13 01:09:21,780 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~a~0.base,QUANTIFIED] [2021-10-13 01:09:21,780 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~a~0.base,QUANTIFIED] [2021-10-13 01:09:21,782 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_37,QUANTIFIED] [2021-10-13 01:09:21,782 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~a~0.base,QUANTIFIED] [2021-10-13 01:09:21,783 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_37,QUANTIFIED] [2021-10-13 01:09:21,783 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~a~0.base,QUANTIFIED] [2021-10-13 01:09:21,783 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_37,QUANTIFIED] [2021-10-13 01:09:21,784 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_37,QUANTIFIED] [2021-10-13 01:09:21,784 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_37,QUANTIFIED] [2021-10-13 01:09:21,784 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~a~0.base,QUANTIFIED] [2021-10-13 01:09:21,785 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_37,QUANTIFIED] [2021-10-13 01:09:21,785 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~i~0,QUANTIFIED] [2021-10-13 01:09:21,785 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~i~0,QUANTIFIED] [2021-10-13 01:09:21,785 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~a~0.base,QUANTIFIED] [2021-10-13 01:09:21,786 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~i~0,QUANTIFIED] [2021-10-13 01:09:21,786 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~i~0,QUANTIFIED] [2021-10-13 01:09:21,786 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~a~0.base,QUANTIFIED] [2021-10-13 01:09:21,786 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~a~0.base,QUANTIFIED] [2021-10-13 01:09:21,787 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~a~0.base,QUANTIFIED] [2021-10-13 01:09:21,787 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_37,QUANTIFIED] [2021-10-13 01:09:21,787 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~a~0.base,QUANTIFIED] [2021-10-13 01:09:21,787 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_37,QUANTIFIED] [2021-10-13 01:09:21,788 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~a~0.base,QUANTIFIED] [2021-10-13 01:09:21,788 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_37,QUANTIFIED] [2021-10-13 01:09:21,788 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_37,QUANTIFIED] [2021-10-13 01:09:21,788 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_37,QUANTIFIED] Derived loop invariant: (((((((1 <= i && N <= 1) || ((((((((\exists ULTIMATE.start_main_~a~0.base : int, v_ULTIMATE.start_main_~i~0_37 : int, ULTIMATE.start_main_~i~0 : int :: (((((unknown-#memory_int-unknown[b][b + 8] == unknown-#memory_int-unknown[b][b] + unknown-#memory_int-unknown[ULTIMATE.start_main_~a~0.base][0] && 2 <= v_ULTIMATE.start_main_~i~0_37) && 2 <= ULTIMATE.start_main_~i~0) && unknown-#memory_int-unknown[b][ULTIMATE.start_main_~i~0 * 8 + b + -8] + unknown-#memory_int-unknown[ULTIMATE.start_main_~a~0.base][ULTIMATE.start_main_~i~0 * 8 + -8] == unknown-#memory_int-unknown[b][ULTIMATE.start_main_~i~0 * 8 + b]) && unknown-#memory_int-unknown[ULTIMATE.start_main_~a~0.base][8] == unknown-#memory_int-unknown[ULTIMATE.start_main_~a~0.base][0] + 20) && unknown-#memory_int-unknown[ULTIMATE.start_main_~a~0.base][v_ULTIMATE.start_main_~i~0_37 * 8] == unknown-#memory_int-unknown[ULTIMATE.start_main_~a~0.base][v_ULTIMATE.start_main_~i~0_37 * 8 + -8] + 20) && unknown-#memory_int-unknown[ULTIMATE.start_main_~a~0.base][8] == 22) && 2 == unknown-#memory_int-unknown[a][a]) && unknown-#memory_int-unknown[b][b] == 1) && i == 0) && a == 0) && 20 + unknown-#memory_int-unknown[a][a] == unknown-#memory_int-unknown[a][a + 8]) && b == 0) && (\exists ULTIMATE.start_main_~i~0 : int :: 2 <= ULTIMATE.start_main_~i~0 && unknown-#memory_int-unknown[a][ULTIMATE.start_main_~i~0 * 8 + a] == unknown-#memory_int-unknown[a][ULTIMATE.start_main_~i~0 * 8 + a + -8] + 20))) || ((2 <= i && i <= 2) && N <= 2)) || (((unknown-#memory_int-unknown[b][b] == 1 && i == 0) && N <= 1) && b == 0)) || (((((((((\exists ULTIMATE.start_main_~a~0.base : int, v_ULTIMATE.start_main_~i~0_37 : int, ULTIMATE.start_main_~i~0 : int :: (((((unknown-#memory_int-unknown[b][b + 8] == unknown-#memory_int-unknown[b][b] + unknown-#memory_int-unknown[ULTIMATE.start_main_~a~0.base][0] && 2 <= v_ULTIMATE.start_main_~i~0_37) && 2 <= ULTIMATE.start_main_~i~0) && unknown-#memory_int-unknown[b][ULTIMATE.start_main_~i~0 * 8 + b + -8] + unknown-#memory_int-unknown[ULTIMATE.start_main_~a~0.base][ULTIMATE.start_main_~i~0 * 8 + -8] == unknown-#memory_int-unknown[b][ULTIMATE.start_main_~i~0 * 8 + b]) && unknown-#memory_int-unknown[ULTIMATE.start_main_~a~0.base][8] == unknown-#memory_int-unknown[ULTIMATE.start_main_~a~0.base][0] + 20) && unknown-#memory_int-unknown[ULTIMATE.start_main_~a~0.base][v_ULTIMATE.start_main_~i~0_37 * 8] == unknown-#memory_int-unknown[ULTIMATE.start_main_~a~0.base][v_ULTIMATE.start_main_~i~0_37 * 8 + -8] + 20) && unknown-#memory_int-unknown[ULTIMATE.start_main_~a~0.base][8] == 22) && 2 <= i) && 0 <= cond) && unknown-#memory_int-unknown[b][b] == 1) && (\exists v_ULTIMATE.start_main_~i~0_37 : int :: 2 <= v_ULTIMATE.start_main_~i~0_37 && unknown-#memory_int-unknown[a][a + v_ULTIMATE.start_main_~i~0_37 * 8] == 20 + unknown-#memory_int-unknown[a][a + v_ULTIMATE.start_main_~i~0_37 * 8 + -8])) && unknown-#memory_int-unknown[b][b + 8] == unknown-#memory_int-unknown[b][b] + unknown-#memory_int-unknown[a][a]) && a == 0) && 20 + unknown-#memory_int-unknown[a][a] == unknown-#memory_int-unknown[a][a + 8]) && b == 0)) || (((((((2 == unknown-#memory_int-unknown[a][a] && unknown-#memory_int-unknown[b][b] == 1) && i == 0) && a == 0) && N <= 2) && 20 + unknown-#memory_int-unknown[a][a] == unknown-#memory_int-unknown[a][a + 8]) && b == 0) && unknown-#memory_int-unknown[b][b + 8] == unknown-#memory_int-unknown[b][b] + 2)) || (((((((((\exists ULTIMATE.start_main_~a~0.base : int, v_ULTIMATE.start_main_~i~0_37 : int, ULTIMATE.start_main_~i~0 : int :: (((((unknown-#memory_int-unknown[b][b + 8] == unknown-#memory_int-unknown[b][b] + unknown-#memory_int-unknown[ULTIMATE.start_main_~a~0.base][0] && 2 <= v_ULTIMATE.start_main_~i~0_37) && 2 <= ULTIMATE.start_main_~i~0) && unknown-#memory_int-unknown[b][ULTIMATE.start_main_~i~0 * 8 + b + -8] + unknown-#memory_int-unknown[ULTIMATE.start_main_~a~0.base][ULTIMATE.start_main_~i~0 * 8 + -8] == unknown-#memory_int-unknown[b][ULTIMATE.start_main_~i~0 * 8 + b]) && unknown-#memory_int-unknown[ULTIMATE.start_main_~a~0.base][8] == unknown-#memory_int-unknown[ULTIMATE.start_main_~a~0.base][0] + 20) && unknown-#memory_int-unknown[ULTIMATE.start_main_~a~0.base][v_ULTIMATE.start_main_~i~0_37 * 8] == unknown-#memory_int-unknown[ULTIMATE.start_main_~a~0.base][v_ULTIMATE.start_main_~i~0_37 * 8 + -8] + 20) && unknown-#memory_int-unknown[ULTIMATE.start_main_~a~0.base][8] == 22) && 0 <= cond) && unknown-#memory_int-unknown[b][b] == 1) && unknown-#memory_int-unknown[b][i * 8 + b + -8] + unknown-#memory_int-unknown[a][i * 8 + a + -8] == unknown-#memory_int-unknown[b][i * 8 + b]) && (\exists v_ULTIMATE.start_main_~i~0_37 : int :: 2 <= v_ULTIMATE.start_main_~i~0_37 && unknown-#memory_int-unknown[a][a + v_ULTIMATE.start_main_~i~0_37 * 8] == 20 + unknown-#memory_int-unknown[a][a + v_ULTIMATE.start_main_~i~0_37 * 8 + -8])) && a == 0) && i == 1) && 20 + unknown-#memory_int-unknown[a][a] == unknown-#memory_int-unknown[a][a + 8]) && b == 0)) || (((((((((2 == unknown-#memory_int-unknown[a][a] && 1 <= cond) && 1 <= i) && unknown-#memory_int-unknown[b][b] == 1) && a == 0) && i <= 2) && N <= 2) && 20 + unknown-#memory_int-unknown[a][a] == unknown-#memory_int-unknown[a][a + 8]) && b == 0) && unknown-#memory_int-unknown[b][b + 8] == unknown-#memory_int-unknown[b][b] + 2) RESULT: Ultimate proved your program to be correct! [2021-10-13 01:09:21,840 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8827106-e1b6-42b7-a886-000b52f8a934/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...