./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 b2eff8ba Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_019e8ff4-2385-4560-9dd3-c8d98fb7a32f/bin/uautomizer-UnR33cPsHg/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_019e8ff4-2385-4560-9dd3-c8d98fb7a32f/bin/uautomizer-UnR33cPsHg/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_019e8ff4-2385-4560-9dd3-c8d98fb7a32f/bin/uautomizer-UnR33cPsHg/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_019e8ff4-2385-4560-9dd3-c8d98fb7a32f/bin/uautomizer-UnR33cPsHg/config/AutomizerReach.xml -i ../../sv-benchmarks/c/array-fpi/eqn1f.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_019e8ff4-2385-4560-9dd3-c8d98fb7a32f/bin/uautomizer-UnR33cPsHg/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_019e8ff4-2385-4560-9dd3-c8d98fb7a32f/bin/uautomizer-UnR33cPsHg --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 18b341884f23a5462ed7b5a2994c7faf53737afb439f1d86e003040fe93a66eb ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.1-dev-b2eff8b [2021-10-28 08:54:20,040 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-28 08:54:20,043 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-28 08:54:20,119 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-28 08:54:20,120 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-28 08:54:20,121 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-28 08:54:20,123 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-28 08:54:20,125 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-28 08:54:20,128 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-28 08:54:20,129 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-28 08:54:20,130 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-28 08:54:20,132 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-28 08:54:20,133 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-28 08:54:20,134 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-28 08:54:20,142 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-28 08:54:20,144 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-28 08:54:20,145 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-28 08:54:20,147 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-28 08:54:20,149 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-28 08:54:20,155 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-28 08:54:20,157 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-28 08:54:20,164 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-28 08:54:20,166 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-28 08:54:20,167 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-28 08:54:20,170 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-28 08:54:20,171 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-28 08:54:20,171 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-28 08:54:20,172 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-28 08:54:20,173 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-28 08:54:20,174 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-28 08:54:20,174 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-28 08:54:20,175 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-28 08:54:20,176 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-28 08:54:20,184 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-28 08:54:20,186 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-28 08:54:20,187 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-28 08:54:20,187 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-28 08:54:20,188 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-28 08:54:20,188 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-28 08:54:20,189 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-28 08:54:20,190 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-28 08:54:20,191 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_019e8ff4-2385-4560-9dd3-c8d98fb7a32f/bin/uautomizer-UnR33cPsHg/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-10-28 08:54:20,237 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-28 08:54:20,238 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-28 08:54:20,238 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-10-28 08:54:20,238 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-10-28 08:54:20,240 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-28 08:54:20,240 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-28 08:54:20,240 INFO L138 SettingsManager]: * Use SBE=true [2021-10-28 08:54:20,241 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-28 08:54:20,241 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-28 08:54:20,241 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-28 08:54:20,242 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-28 08:54:20,242 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-28 08:54:20,243 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-28 08:54:20,243 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-28 08:54:20,243 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-28 08:54:20,243 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-28 08:54:20,243 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-28 08:54:20,243 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-28 08:54:20,244 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-28 08:54:20,244 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-28 08:54:20,244 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-28 08:54:20,244 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-28 08:54:20,244 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-28 08:54:20,245 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-28 08:54:20,245 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-28 08:54:20,245 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-28 08:54:20,245 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-10-28 08:54:20,245 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-28 08:54:20,246 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-10-28 08:54:20,246 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-10-28 08:54:20,246 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-28 08:54:20,246 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-28 08:54:20,247 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_019e8ff4-2385-4560-9dd3-c8d98fb7a32f/bin/uautomizer-UnR33cPsHg/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_019e8ff4-2385-4560-9dd3-c8d98fb7a32f/bin/uautomizer-UnR33cPsHg Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 18b341884f23a5462ed7b5a2994c7faf53737afb439f1d86e003040fe93a66eb [2021-10-28 08:54:20,513 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-28 08:54:20,541 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-28 08:54:20,543 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-28 08:54:20,545 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-28 08:54:20,545 INFO L275 PluginConnector]: CDTParser initialized [2021-10-28 08:54:20,546 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_019e8ff4-2385-4560-9dd3-c8d98fb7a32f/bin/uautomizer-UnR33cPsHg/../../sv-benchmarks/c/array-fpi/eqn1f.c [2021-10-28 08:54:20,619 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_019e8ff4-2385-4560-9dd3-c8d98fb7a32f/bin/uautomizer-UnR33cPsHg/data/3c5e569bc/52d8c63822b449b896ee27da23a0fd71/FLAG79d43e7d0 [2021-10-28 08:54:21,122 INFO L306 CDTParser]: Found 1 translation units. [2021-10-28 08:54:21,125 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_019e8ff4-2385-4560-9dd3-c8d98fb7a32f/sv-benchmarks/c/array-fpi/eqn1f.c [2021-10-28 08:54:21,133 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_019e8ff4-2385-4560-9dd3-c8d98fb7a32f/bin/uautomizer-UnR33cPsHg/data/3c5e569bc/52d8c63822b449b896ee27da23a0fd71/FLAG79d43e7d0 [2021-10-28 08:54:21,502 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_019e8ff4-2385-4560-9dd3-c8d98fb7a32f/bin/uautomizer-UnR33cPsHg/data/3c5e569bc/52d8c63822b449b896ee27da23a0fd71 [2021-10-28 08:54:21,504 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-28 08:54:21,505 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-28 08:54:21,507 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-28 08:54:21,507 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-28 08:54:21,510 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-28 08:54:21,511 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 08:54:21" (1/1) ... [2021-10-28 08:54:21,512 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@51119b71 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 08:54:21, skipping insertion in model container [2021-10-28 08:54:21,512 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 08:54:21" (1/1) ... [2021-10-28 08:54:21,518 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-28 08:54:21,531 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-28 08:54:21,656 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_019e8ff4-2385-4560-9dd3-c8d98fb7a32f/sv-benchmarks/c/array-fpi/eqn1f.c[588,601] [2021-10-28 08:54:21,673 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-28 08:54:21,682 INFO L203 MainTranslator]: Completed pre-run [2021-10-28 08:54:21,693 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_019e8ff4-2385-4560-9dd3-c8d98fb7a32f/sv-benchmarks/c/array-fpi/eqn1f.c[588,601] [2021-10-28 08:54:21,700 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-28 08:54:21,714 INFO L208 MainTranslator]: Completed translation [2021-10-28 08:54:21,714 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 08:54:21 WrapperNode [2021-10-28 08:54:21,715 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-28 08:54:21,716 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-28 08:54:21,716 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-28 08:54:21,716 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-28 08:54:21,724 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 08:54:21" (1/1) ... [2021-10-28 08:54:21,731 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 08:54:21" (1/1) ... [2021-10-28 08:54:21,752 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-28 08:54:21,753 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-28 08:54:21,753 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-28 08:54:21,753 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-28 08:54:21,759 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 08:54:21" (1/1) ... [2021-10-28 08:54:21,759 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 08:54:21" (1/1) ... [2021-10-28 08:54:21,761 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 08:54:21" (1/1) ... [2021-10-28 08:54:21,762 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 08:54:21" (1/1) ... [2021-10-28 08:54:21,769 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 08:54:21" (1/1) ... [2021-10-28 08:54:21,773 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 08:54:21" (1/1) ... [2021-10-28 08:54:21,774 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 08:54:21" (1/1) ... [2021-10-28 08:54:21,777 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-28 08:54:21,778 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-28 08:54:21,778 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-28 08:54:21,778 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-28 08:54:21,779 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 08:54:21" (1/1) ... [2021-10-28 08:54:21,787 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-28 08:54:21,800 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_019e8ff4-2385-4560-9dd3-c8d98fb7a32f/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 08:54:21,811 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_019e8ff4-2385-4560-9dd3-c8d98fb7a32f/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-10-28 08:54:21,813 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_019e8ff4-2385-4560-9dd3-c8d98fb7a32f/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-10-28 08:54:21,845 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-10-28 08:54:21,845 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-28 08:54:21,846 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-10-28 08:54:21,846 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-10-28 08:54:21,846 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-28 08:54:21,846 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-28 08:54:21,846 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-10-28 08:54:22,059 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-28 08:54:22,059 INFO L299 CfgBuilder]: Removed 11 assume(true) statements. [2021-10-28 08:54:22,061 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 08:54:22 BoogieIcfgContainer [2021-10-28 08:54:22,061 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-28 08:54:22,063 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-28 08:54:22,063 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-28 08:54:22,067 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-28 08:54:22,081 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.10 08:54:21" (1/3) ... [2021-10-28 08:54:22,083 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@67a87c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.10 08:54:22, skipping insertion in model container [2021-10-28 08:54:22,083 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 08:54:21" (2/3) ... [2021-10-28 08:54:22,083 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@67a87c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.10 08:54:22, skipping insertion in model container [2021-10-28 08:54:22,084 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 08:54:22" (3/3) ... [2021-10-28 08:54:22,085 INFO L111 eAbstractionObserver]: Analyzing ICFG eqn1f.c [2021-10-28 08:54:22,089 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-28 08:54:22,090 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-10-28 08:54:22,135 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-10-28 08:54:22,142 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-10-28 08:54:22,142 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-10-28 08:54:22,157 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) [2021-10-28 08:54:22,161 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-10-28 08:54:22,162 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 08:54:22,162 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 08:54:22,163 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 08:54:22,168 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 08:54:22,168 INFO L85 PathProgramCache]: Analyzing trace with hash -1828546148, now seen corresponding path program 1 times [2021-10-28 08:54:22,176 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 08:54:22,177 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [524494403] [2021-10-28 08:54:22,177 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 08:54:22,178 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 08:54:22,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 08:54:22,407 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 08:54:22,408 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 08:54:22,408 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [524494403] [2021-10-28 08:54:22,409 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [524494403] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 08:54:22,410 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 08:54:22,410 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-28 08:54:22,412 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1900676541] [2021-10-28 08:54:22,416 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-10-28 08:54:22,417 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 08:54:22,429 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-10-28 08:54:22,430 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-10-28 08:54:22,432 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) [2021-10-28 08:54:22,446 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 08:54:22,447 INFO L93 Difference]: Finished difference Result 38 states and 52 transitions. [2021-10-28 08:54:22,447 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-28 08:54:22,448 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 [2021-10-28 08:54:22,449 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 08:54:22,456 INFO L225 Difference]: With dead ends: 38 [2021-10-28 08:54:22,456 INFO L226 Difference]: Without dead ends: 17 [2021-10-28 08:54:22,458 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-10-28 08:54:22,474 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17 states. [2021-10-28 08:54:22,484 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17 to 17. [2021-10-28 08:54:22,486 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) [2021-10-28 08:54:22,487 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 19 transitions. [2021-10-28 08:54:22,488 INFO L78 Accepts]: Start accepts. Automaton has 17 states and 19 transitions. Word has length 12 [2021-10-28 08:54:22,488 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 08:54:22,489 INFO L470 AbstractCegarLoop]: Abstraction has 17 states and 19 transitions. [2021-10-28 08:54:22,489 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) [2021-10-28 08:54:22,489 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 19 transitions. [2021-10-28 08:54:22,490 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-10-28 08:54:22,490 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 08:54:22,490 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 08:54:22,490 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-10-28 08:54:22,491 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 08:54:22,492 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 08:54:22,492 INFO L85 PathProgramCache]: Analyzing trace with hash -1148487778, now seen corresponding path program 1 times [2021-10-28 08:54:22,492 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 08:54:22,492 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1591997404] [2021-10-28 08:54:22,493 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 08:54:22,493 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 08:54:22,519 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-10-28 08:54:22,519 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [632003420] [2021-10-28 08:54:22,520 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 08:54:22,520 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-28 08:54:22,520 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_019e8ff4-2385-4560-9dd3-c8d98fb7a32f/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 08:54:22,522 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_019e8ff4-2385-4560-9dd3-c8d98fb7a32f/bin/uautomizer-UnR33cPsHg/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-28 08:54:22,550 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_019e8ff4-2385-4560-9dd3-c8d98fb7a32f/bin/uautomizer-UnR33cPsHg/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-10-28 08:54:22,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 08:54:22,644 INFO L263 TraceCheckSpWp]: Trace formula consists of 76 conjuncts, 10 conjunts are in the unsatisfiable core [2021-10-28 08:54:22,649 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 08:54:22,759 INFO L354 Elim1Store]: treesize reduction 17, result has 46.9 percent of original size [2021-10-28 08:54:22,761 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 [2021-10-28 08:54:22,946 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 08:54:22,947 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 08:54:22,947 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1591997404] [2021-10-28 08:54:22,948 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-10-28 08:54:22,948 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [632003420] [2021-10-28 08:54:22,948 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [632003420] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 08:54:22,948 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 08:54:22,949 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-10-28 08:54:22,950 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1450791410] [2021-10-28 08:54:22,950 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-10-28 08:54:22,951 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 08:54:22,952 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-28 08:54:22,952 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-10-28 08:54:22,952 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) [2021-10-28 08:54:23,025 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 08:54:23,025 INFO L93 Difference]: Finished difference Result 34 states and 38 transitions. [2021-10-28 08:54:23,026 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-10-28 08:54:23,026 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 [2021-10-28 08:54:23,026 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 08:54:23,027 INFO L225 Difference]: With dead ends: 34 [2021-10-28 08:54:23,027 INFO L226 Difference]: Without dead ends: 32 [2021-10-28 08:54:23,028 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2021-10-28 08:54:23,029 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 32 states. [2021-10-28 08:54:23,032 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 32 to 23. [2021-10-28 08:54:23,033 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) [2021-10-28 08:54:23,034 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 23 states and 27 transitions. [2021-10-28 08:54:23,034 INFO L78 Accepts]: Start accepts. Automaton has 23 states and 27 transitions. Word has length 12 [2021-10-28 08:54:23,034 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 08:54:23,034 INFO L470 AbstractCegarLoop]: Abstraction has 23 states and 27 transitions. [2021-10-28 08:54:23,035 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) [2021-10-28 08:54:23,035 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 27 transitions. [2021-10-28 08:54:23,036 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2021-10-28 08:54:23,036 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 08:54:23,036 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 08:54:23,073 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_019e8ff4-2385-4560-9dd3-c8d98fb7a32f/bin/uautomizer-UnR33cPsHg/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2021-10-28 08:54:23,253 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_019e8ff4-2385-4560-9dd3-c8d98fb7a32f/bin/uautomizer-UnR33cPsHg/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-28 08:54:23,254 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 08:54:23,254 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 08:54:23,255 INFO L85 PathProgramCache]: Analyzing trace with hash 1755224028, now seen corresponding path program 1 times [2021-10-28 08:54:23,255 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 08:54:23,255 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [731722749] [2021-10-28 08:54:23,255 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 08:54:23,255 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 08:54:23,296 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-10-28 08:54:23,296 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [669606171] [2021-10-28 08:54:23,297 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 08:54:23,297 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-28 08:54:23,297 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_019e8ff4-2385-4560-9dd3-c8d98fb7a32f/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 08:54:23,298 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_019e8ff4-2385-4560-9dd3-c8d98fb7a32f/bin/uautomizer-UnR33cPsHg/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-28 08:54:23,317 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_019e8ff4-2385-4560-9dd3-c8d98fb7a32f/bin/uautomizer-UnR33cPsHg/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2021-10-28 08:54:23,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 08:54:23,375 INFO L263 TraceCheckSpWp]: Trace formula consists of 80 conjuncts, 4 conjunts are in the unsatisfiable core [2021-10-28 08:54:23,377 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 08:54:23,471 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 08:54:23,472 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 08:54:23,472 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [731722749] [2021-10-28 08:54:23,472 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-10-28 08:54:23,473 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [669606171] [2021-10-28 08:54:23,473 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [669606171] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 08:54:23,474 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 08:54:23,474 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-10-28 08:54:23,474 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1810066321] [2021-10-28 08:54:23,475 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-10-28 08:54:23,475 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 08:54:23,475 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-28 08:54:23,476 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-10-28 08:54:23,476 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) [2021-10-28 08:54:23,562 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 08:54:23,562 INFO L93 Difference]: Finished difference Result 49 states and 55 transitions. [2021-10-28 08:54:23,563 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-10-28 08:54:23,563 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 [2021-10-28 08:54:23,564 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 08:54:23,567 INFO L225 Difference]: With dead ends: 49 [2021-10-28 08:54:23,567 INFO L226 Difference]: Without dead ends: 40 [2021-10-28 08:54:23,569 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2021-10-28 08:54:23,570 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 40 states. [2021-10-28 08:54:23,578 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 40 to 23. [2021-10-28 08:54:23,579 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) [2021-10-28 08:54:23,582 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 23 states and 26 transitions. [2021-10-28 08:54:23,582 INFO L78 Accepts]: Start accepts. Automaton has 23 states and 26 transitions. Word has length 14 [2021-10-28 08:54:23,582 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 08:54:23,582 INFO L470 AbstractCegarLoop]: Abstraction has 23 states and 26 transitions. [2021-10-28 08:54:23,583 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) [2021-10-28 08:54:23,583 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 26 transitions. [2021-10-28 08:54:23,584 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2021-10-28 08:54:23,584 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 08:54:23,584 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 08:54:23,621 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_019e8ff4-2385-4560-9dd3-c8d98fb7a32f/bin/uautomizer-UnR33cPsHg/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2021-10-28 08:54:23,809 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_019e8ff4-2385-4560-9dd3-c8d98fb7a32f/bin/uautomizer-UnR33cPsHg/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-28 08:54:23,810 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 08:54:23,811 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 08:54:23,811 INFO L85 PathProgramCache]: Analyzing trace with hash -1842440164, now seen corresponding path program 1 times [2021-10-28 08:54:23,811 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 08:54:23,811 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1881329875] [2021-10-28 08:54:23,811 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 08:54:23,811 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 08:54:23,857 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-10-28 08:54:23,857 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1646184953] [2021-10-28 08:54:23,857 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 08:54:23,857 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-28 08:54:23,857 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_019e8ff4-2385-4560-9dd3-c8d98fb7a32f/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 08:54:23,894 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_019e8ff4-2385-4560-9dd3-c8d98fb7a32f/bin/uautomizer-UnR33cPsHg/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-28 08:54:23,909 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_019e8ff4-2385-4560-9dd3-c8d98fb7a32f/bin/uautomizer-UnR33cPsHg/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2021-10-28 08:54:23,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 08:54:23,952 INFO L263 TraceCheckSpWp]: Trace formula consists of 80 conjuncts, 4 conjunts are in the unsatisfiable core [2021-10-28 08:54:23,953 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 08:54:24,043 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 08:54:24,043 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 08:54:24,044 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1881329875] [2021-10-28 08:54:24,044 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-10-28 08:54:24,044 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1646184953] [2021-10-28 08:54:24,044 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1646184953] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-28 08:54:24,044 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2021-10-28 08:54:24,044 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2021-10-28 08:54:24,045 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [18078939] [2021-10-28 08:54:24,045 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-10-28 08:54:24,045 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 08:54:24,046 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-28 08:54:24,046 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-10-28 08:54:24,046 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) [2021-10-28 08:54:24,117 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 08:54:24,117 INFO L93 Difference]: Finished difference Result 44 states and 48 transitions. [2021-10-28 08:54:24,118 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-10-28 08:54:24,118 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 [2021-10-28 08:54:24,118 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 08:54:24,119 INFO L225 Difference]: With dead ends: 44 [2021-10-28 08:54:24,119 INFO L226 Difference]: Without dead ends: 37 [2021-10-28 08:54:24,120 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2021-10-28 08:54:24,120 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 37 states. [2021-10-28 08:54:24,123 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 37 to 24. [2021-10-28 08:54:24,123 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) [2021-10-28 08:54:24,124 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 24 states and 27 transitions. [2021-10-28 08:54:24,124 INFO L78 Accepts]: Start accepts. Automaton has 24 states and 27 transitions. Word has length 14 [2021-10-28 08:54:24,124 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 08:54:24,124 INFO L470 AbstractCegarLoop]: Abstraction has 24 states and 27 transitions. [2021-10-28 08:54:24,124 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) [2021-10-28 08:54:24,124 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 27 transitions. [2021-10-28 08:54:24,125 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-10-28 08:54:24,125 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 08:54:24,125 INFO L513 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 08:54:24,164 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_019e8ff4-2385-4560-9dd3-c8d98fb7a32f/bin/uautomizer-UnR33cPsHg/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2021-10-28 08:54:24,341 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_019e8ff4-2385-4560-9dd3-c8d98fb7a32f/bin/uautomizer-UnR33cPsHg/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-28 08:54:24,341 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 08:54:24,342 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 08:54:24,342 INFO L85 PathProgramCache]: Analyzing trace with hash -1667884396, now seen corresponding path program 1 times [2021-10-28 08:54:24,342 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 08:54:24,342 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1152692620] [2021-10-28 08:54:24,342 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 08:54:24,343 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 08:54:24,359 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-10-28 08:54:24,359 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [753805212] [2021-10-28 08:54:24,359 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 08:54:24,360 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-28 08:54:24,360 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_019e8ff4-2385-4560-9dd3-c8d98fb7a32f/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 08:54:24,361 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_019e8ff4-2385-4560-9dd3-c8d98fb7a32f/bin/uautomizer-UnR33cPsHg/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-28 08:54:24,372 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_019e8ff4-2385-4560-9dd3-c8d98fb7a32f/bin/uautomizer-UnR33cPsHg/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2021-10-28 08:54:24,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 08:54:24,447 INFO L263 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 5 conjunts are in the unsatisfiable core [2021-10-28 08:54:24,448 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 08:54:24,564 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 08:54:24,564 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 08:54:24,565 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1152692620] [2021-10-28 08:54:24,565 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-10-28 08:54:24,565 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [753805212] [2021-10-28 08:54:24,565 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [753805212] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 08:54:24,565 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 08:54:24,566 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-10-28 08:54:24,566 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [339188635] [2021-10-28 08:54:24,566 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-10-28 08:54:24,567 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 08:54:24,567 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-10-28 08:54:24,567 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2021-10-28 08:54:24,568 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) [2021-10-28 08:54:24,637 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 08:54:24,637 INFO L93 Difference]: Finished difference Result 41 states and 44 transitions. [2021-10-28 08:54:24,638 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-10-28 08:54:24,638 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 [2021-10-28 08:54:24,638 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 08:54:24,639 INFO L225 Difference]: With dead ends: 41 [2021-10-28 08:54:24,639 INFO L226 Difference]: Without dead ends: 27 [2021-10-28 08:54:24,639 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=30, Invalid=42, Unknown=0, NotChecked=0, Total=72 [2021-10-28 08:54:24,639 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27 states. [2021-10-28 08:54:24,641 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27 to 19. [2021-10-28 08:54:24,642 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) [2021-10-28 08:54:24,642 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 21 transitions. [2021-10-28 08:54:24,643 INFO L78 Accepts]: Start accepts. Automaton has 19 states and 21 transitions. Word has length 16 [2021-10-28 08:54:24,643 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 08:54:24,643 INFO L470 AbstractCegarLoop]: Abstraction has 19 states and 21 transitions. [2021-10-28 08:54:24,643 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) [2021-10-28 08:54:24,643 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 21 transitions. [2021-10-28 08:54:24,644 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-10-28 08:54:24,644 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 08:54:24,644 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 08:54:24,676 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_019e8ff4-2385-4560-9dd3-c8d98fb7a32f/bin/uautomizer-UnR33cPsHg/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2021-10-28 08:54:24,854 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_019e8ff4-2385-4560-9dd3-c8d98fb7a32f/bin/uautomizer-UnR33cPsHg/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-28 08:54:24,854 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 08:54:24,854 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 08:54:24,854 INFO L85 PathProgramCache]: Analyzing trace with hash 586911962, now seen corresponding path program 1 times [2021-10-28 08:54:24,855 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 08:54:24,855 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [3787982] [2021-10-28 08:54:24,855 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 08:54:24,855 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 08:54:24,871 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-10-28 08:54:24,871 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1139838613] [2021-10-28 08:54:24,871 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 08:54:24,872 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-28 08:54:24,872 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_019e8ff4-2385-4560-9dd3-c8d98fb7a32f/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 08:54:24,873 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_019e8ff4-2385-4560-9dd3-c8d98fb7a32f/bin/uautomizer-UnR33cPsHg/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-28 08:54:24,897 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_019e8ff4-2385-4560-9dd3-c8d98fb7a32f/bin/uautomizer-UnR33cPsHg/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2021-10-28 08:54:24,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 08:54:24,968 INFO L263 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 16 conjunts are in the unsatisfiable core [2021-10-28 08:54:24,970 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 08:54:25,008 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-10-28 08:54:25,023 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 [2021-10-28 08:54:25,102 INFO L354 Elim1Store]: treesize reduction 74, result has 26.0 percent of original size [2021-10-28 08:54:25,103 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 [2021-10-28 08:54:25,428 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-28 08:54:25,484 INFO L354 Elim1Store]: treesize reduction 204, result has 13.2 percent of original size [2021-10-28 08:54:25,484 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 [2021-10-28 08:54:26,199 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 08:54:26,199 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 08:54:26,199 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [3787982] [2021-10-28 08:54:26,199 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-10-28 08:54:26,200 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1139838613] [2021-10-28 08:54:26,200 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1139838613] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-28 08:54:26,200 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2021-10-28 08:54:26,200 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2021-10-28 08:54:26,202 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [960066748] [2021-10-28 08:54:26,203 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-10-28 08:54:26,203 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 08:54:26,203 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-10-28 08:54:26,205 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2021-10-28 08:54:26,205 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) [2021-10-28 08:54:26,537 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 08:54:26,537 INFO L93 Difference]: Finished difference Result 44 states and 48 transitions. [2021-10-28 08:54:26,538 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-10-28 08:54:26,538 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 [2021-10-28 08:54:26,538 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 08:54:26,538 INFO L225 Difference]: With dead ends: 44 [2021-10-28 08:54:26,538 INFO L226 Difference]: Without dead ends: 42 [2021-10-28 08:54:26,539 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=47, Invalid=109, Unknown=0, NotChecked=0, Total=156 [2021-10-28 08:54:26,539 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 42 states. [2021-10-28 08:54:26,543 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 42 to 28. [2021-10-28 08:54:26,543 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) [2021-10-28 08:54:26,544 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 28 states and 32 transitions. [2021-10-28 08:54:26,544 INFO L78 Accepts]: Start accepts. Automaton has 28 states and 32 transitions. Word has length 16 [2021-10-28 08:54:26,544 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 08:54:26,544 INFO L470 AbstractCegarLoop]: Abstraction has 28 states and 32 transitions. [2021-10-28 08:54:26,545 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) [2021-10-28 08:54:26,545 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 32 transitions. [2021-10-28 08:54:26,545 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-10-28 08:54:26,545 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 08:54:26,546 INFO L513 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 08:54:26,584 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_019e8ff4-2385-4560-9dd3-c8d98fb7a32f/bin/uautomizer-UnR33cPsHg/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2021-10-28 08:54:26,746 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_019e8ff4-2385-4560-9dd3-c8d98fb7a32f/bin/uautomizer-UnR33cPsHg/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5 [2021-10-28 08:54:26,746 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 08:54:26,747 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 08:54:26,747 INFO L85 PathProgramCache]: Analyzing trace with hash -1267903976, now seen corresponding path program 2 times [2021-10-28 08:54:26,747 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 08:54:26,747 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [381899332] [2021-10-28 08:54:26,747 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 08:54:26,747 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 08:54:26,765 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-10-28 08:54:26,765 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1766904578] [2021-10-28 08:54:26,765 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-10-28 08:54:26,765 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-28 08:54:26,765 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_019e8ff4-2385-4560-9dd3-c8d98fb7a32f/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 08:54:26,766 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_019e8ff4-2385-4560-9dd3-c8d98fb7a32f/bin/uautomizer-UnR33cPsHg/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-28 08:54:26,769 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_019e8ff4-2385-4560-9dd3-c8d98fb7a32f/bin/uautomizer-UnR33cPsHg/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2021-10-28 08:54:26,871 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-10-28 08:54:26,871 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-10-28 08:54:26,872 INFO L263 TraceCheckSpWp]: Trace formula consists of 88 conjuncts, 6 conjunts are in the unsatisfiable core [2021-10-28 08:54:26,874 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 08:54:26,948 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 08:54:26,948 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 08:54:26,949 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [381899332] [2021-10-28 08:54:26,949 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-10-28 08:54:26,950 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1766904578] [2021-10-28 08:54:26,950 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1766904578] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-28 08:54:26,950 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2021-10-28 08:54:26,950 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2021-10-28 08:54:26,950 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [541332626] [2021-10-28 08:54:26,951 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-10-28 08:54:26,951 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 08:54:26,952 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-10-28 08:54:26,952 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2021-10-28 08:54:26,954 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) [2021-10-28 08:54:27,044 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 08:54:27,045 INFO L93 Difference]: Finished difference Result 61 states and 67 transitions. [2021-10-28 08:54:27,045 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-10-28 08:54:27,045 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 [2021-10-28 08:54:27,046 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 08:54:27,050 INFO L225 Difference]: With dead ends: 61 [2021-10-28 08:54:27,050 INFO L226 Difference]: Without dead ends: 52 [2021-10-28 08:54:27,051 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=40, Invalid=70, Unknown=0, NotChecked=0, Total=110 [2021-10-28 08:54:27,060 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 52 states. [2021-10-28 08:54:27,064 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 52 to 28. [2021-10-28 08:54:27,067 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) [2021-10-28 08:54:27,068 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 28 states and 31 transitions. [2021-10-28 08:54:27,068 INFO L78 Accepts]: Start accepts. Automaton has 28 states and 31 transitions. Word has length 18 [2021-10-28 08:54:27,068 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 08:54:27,069 INFO L470 AbstractCegarLoop]: Abstraction has 28 states and 31 transitions. [2021-10-28 08:54:27,069 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) [2021-10-28 08:54:27,069 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 31 transitions. [2021-10-28 08:54:27,070 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-10-28 08:54:27,070 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 08:54:27,070 INFO L513 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 08:54:27,111 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_019e8ff4-2385-4560-9dd3-c8d98fb7a32f/bin/uautomizer-UnR33cPsHg/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2021-10-28 08:54:27,294 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_019e8ff4-2385-4560-9dd3-c8d98fb7a32f/bin/uautomizer-UnR33cPsHg/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable6 [2021-10-28 08:54:27,294 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 08:54:27,294 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 08:54:27,294 INFO L85 PathProgramCache]: Analyzing trace with hash -1174519208, now seen corresponding path program 3 times [2021-10-28 08:54:27,294 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 08:54:27,295 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [921612370] [2021-10-28 08:54:27,295 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 08:54:27,295 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 08:54:27,314 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-10-28 08:54:27,326 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [139572938] [2021-10-28 08:54:27,326 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2021-10-28 08:54:27,326 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-28 08:54:27,326 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_019e8ff4-2385-4560-9dd3-c8d98fb7a32f/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 08:54:27,327 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_019e8ff4-2385-4560-9dd3-c8d98fb7a32f/bin/uautomizer-UnR33cPsHg/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-28 08:54:27,328 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_019e8ff4-2385-4560-9dd3-c8d98fb7a32f/bin/uautomizer-UnR33cPsHg/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2021-10-28 08:54:27,420 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2021-10-28 08:54:27,420 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-10-28 08:54:27,422 INFO L263 TraceCheckSpWp]: Trace formula consists of 88 conjuncts, 6 conjunts are in the unsatisfiable core [2021-10-28 08:54:27,423 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 08:54:27,552 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 08:54:27,552 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 08:54:27,552 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [921612370] [2021-10-28 08:54:27,552 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-10-28 08:54:27,552 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [139572938] [2021-10-28 08:54:27,552 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [139572938] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-28 08:54:27,552 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2021-10-28 08:54:27,552 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2021-10-28 08:54:27,552 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1350342960] [2021-10-28 08:54:27,553 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-10-28 08:54:27,553 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 08:54:27,553 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-10-28 08:54:27,553 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2021-10-28 08:54:27,553 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) [2021-10-28 08:54:27,645 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 08:54:27,645 INFO L93 Difference]: Finished difference Result 56 states and 60 transitions. [2021-10-28 08:54:27,646 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-10-28 08:54:27,646 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 [2021-10-28 08:54:27,646 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 08:54:27,646 INFO L225 Difference]: With dead ends: 56 [2021-10-28 08:54:27,646 INFO L226 Difference]: Without dead ends: 49 [2021-10-28 08:54:27,647 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2021-10-28 08:54:27,647 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 49 states. [2021-10-28 08:54:27,651 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 49 to 30. [2021-10-28 08:54:27,651 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) [2021-10-28 08:54:27,652 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 30 states and 33 transitions. [2021-10-28 08:54:27,652 INFO L78 Accepts]: Start accepts. Automaton has 30 states and 33 transitions. Word has length 18 [2021-10-28 08:54:27,652 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 08:54:27,652 INFO L470 AbstractCegarLoop]: Abstraction has 30 states and 33 transitions. [2021-10-28 08:54:27,652 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) [2021-10-28 08:54:27,652 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 33 transitions. [2021-10-28 08:54:27,653 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2021-10-28 08:54:27,653 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 08:54:27,653 INFO L513 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 08:54:27,692 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_019e8ff4-2385-4560-9dd3-c8d98fb7a32f/bin/uautomizer-UnR33cPsHg/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2021-10-28 08:54:27,853 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_019e8ff4-2385-4560-9dd3-c8d98fb7a32f/bin/uautomizer-UnR33cPsHg/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-28 08:54:27,853 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 08:54:27,854 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 08:54:27,854 INFO L85 PathProgramCache]: Analyzing trace with hash 798963152, now seen corresponding path program 1 times [2021-10-28 08:54:27,854 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 08:54:27,854 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [11880723] [2021-10-28 08:54:27,854 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 08:54:27,854 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 08:54:27,878 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-10-28 08:54:27,881 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [148329646] [2021-10-28 08:54:27,881 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 08:54:27,882 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-28 08:54:27,882 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_019e8ff4-2385-4560-9dd3-c8d98fb7a32f/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 08:54:27,883 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_019e8ff4-2385-4560-9dd3-c8d98fb7a32f/bin/uautomizer-UnR33cPsHg/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-28 08:54:27,901 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_019e8ff4-2385-4560-9dd3-c8d98fb7a32f/bin/uautomizer-UnR33cPsHg/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2021-10-28 08:54:27,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 08:54:27,998 INFO L263 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 22 conjunts are in the unsatisfiable core [2021-10-28 08:54:28,000 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 08:54:28,028 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-10-28 08:54:28,034 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 [2021-10-28 08:54:28,101 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-28 08:54:28,106 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-10-28 08:54:28,106 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 [2021-10-28 08:54:28,254 INFO L173 IndexEqualityManager]: detected equality via solver [2021-10-28 08:54:28,256 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-28 08:54:28,267 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-10-28 08:54:28,267 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 [2021-10-28 08:54:28,573 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-10-28 08:54:28,574 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 [2021-10-28 08:54:28,610 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 08:54:28,610 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 08:54:28,610 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [11880723] [2021-10-28 08:54:28,610 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-10-28 08:54:28,610 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [148329646] [2021-10-28 08:54:28,611 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [148329646] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-28 08:54:28,611 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2021-10-28 08:54:28,611 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9] total 9 [2021-10-28 08:54:28,611 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1589863340] [2021-10-28 08:54:28,611 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2021-10-28 08:54:28,611 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 08:54:28,612 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-10-28 08:54:28,612 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2021-10-28 08:54:28,612 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) [2021-10-28 08:54:28,923 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 08:54:28,923 INFO L93 Difference]: Finished difference Result 45 states and 48 transitions. [2021-10-28 08:54:28,924 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-10-28 08:54:28,924 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 [2021-10-28 08:54:28,924 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 08:54:28,925 INFO L225 Difference]: With dead ends: 45 [2021-10-28 08:54:28,925 INFO L226 Difference]: Without dead ends: 43 [2021-10-28 08:54:28,926 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=63, Invalid=147, Unknown=0, NotChecked=0, Total=210 [2021-10-28 08:54:28,929 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 43 states. [2021-10-28 08:54:28,936 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 43 to 34. [2021-10-28 08:54:28,944 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) [2021-10-28 08:54:28,946 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 34 states and 37 transitions. [2021-10-28 08:54:28,946 INFO L78 Accepts]: Start accepts. Automaton has 34 states and 37 transitions. Word has length 20 [2021-10-28 08:54:28,946 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 08:54:28,946 INFO L470 AbstractCegarLoop]: Abstraction has 34 states and 37 transitions. [2021-10-28 08:54:28,947 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) [2021-10-28 08:54:28,948 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 37 transitions. [2021-10-28 08:54:28,949 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2021-10-28 08:54:28,949 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 08:54:28,949 INFO L513 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 08:54:28,985 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_019e8ff4-2385-4560-9dd3-c8d98fb7a32f/bin/uautomizer-UnR33cPsHg/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2021-10-28 08:54:29,150 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_019e8ff4-2385-4560-9dd3-c8d98fb7a32f/bin/uautomizer-UnR33cPsHg/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-28 08:54:29,150 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 08:54:29,151 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 08:54:29,151 INFO L85 PathProgramCache]: Analyzing trace with hash -1786143722, now seen corresponding path program 4 times [2021-10-28 08:54:29,151 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 08:54:29,151 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1680837021] [2021-10-28 08:54:29,151 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 08:54:29,151 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 08:54:29,166 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-10-28 08:54:29,166 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [766544716] [2021-10-28 08:54:29,167 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2021-10-28 08:54:29,167 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-28 08:54:29,167 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_019e8ff4-2385-4560-9dd3-c8d98fb7a32f/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 08:54:29,168 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_019e8ff4-2385-4560-9dd3-c8d98fb7a32f/bin/uautomizer-UnR33cPsHg/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-28 08:54:29,197 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_019e8ff4-2385-4560-9dd3-c8d98fb7a32f/bin/uautomizer-UnR33cPsHg/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2021-10-28 08:54:29,350 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-10-28 08:54:29,350 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-10-28 08:54:29,351 INFO L263 TraceCheckSpWp]: Trace formula consists of 92 conjuncts, 19 conjunts are in the unsatisfiable core [2021-10-28 08:54:29,353 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 08:54:29,402 INFO L354 Elim1Store]: treesize reduction 17, result has 46.9 percent of original size [2021-10-28 08:54:29,402 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 [2021-10-28 08:54:29,413 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-10-28 08:54:29,482 INFO L354 Elim1Store]: treesize reduction 74, result has 26.0 percent of original size [2021-10-28 08:54:29,482 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 [2021-10-28 08:54:29,690 INFO L354 Elim1Store]: treesize reduction 200, result has 28.3 percent of original size [2021-10-28 08:54:29,690 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 [2021-10-28 08:54:30,358 INFO L173 IndexEqualityManager]: detected equality via solver [2021-10-28 08:54:30,359 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-28 08:54:30,367 INFO L354 Elim1Store]: treesize reduction 144, result has 0.7 percent of original size [2021-10-28 08:54:30,367 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 [2021-10-28 08:54:30,622 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-28 08:54:30,830 INFO L354 Elim1Store]: treesize reduction 752, result has 9.6 percent of original size [2021-10-28 08:54:30,830 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 [2021-10-28 08:54:34,090 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 08:54:34,090 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 08:54:34,090 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1680837021] [2021-10-28 08:54:34,090 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-10-28 08:54:34,090 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [766544716] [2021-10-28 08:54:34,091 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [766544716] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-28 08:54:34,091 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2021-10-28 08:54:34,091 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11] total 11 [2021-10-28 08:54:34,091 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1164881221] [2021-10-28 08:54:34,091 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2021-10-28 08:54:34,091 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 08:54:34,092 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-10-28 08:54:34,092 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=86, Unknown=0, NotChecked=0, Total=110 [2021-10-28 08:54:34,092 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) [2021-10-28 08:54:37,098 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 08:54:37,098 INFO L93 Difference]: Finished difference Result 69 states and 74 transitions. [2021-10-28 08:54:37,099 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-10-28 08:54:37,099 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 [2021-10-28 08:54:37,099 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 08:54:37,100 INFO L225 Difference]: With dead ends: 69 [2021-10-28 08:54:37,100 INFO L226 Difference]: Without dead ends: 67 [2021-10-28 08:54:37,101 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 63 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=83, Invalid=337, Unknown=0, NotChecked=0, Total=420 [2021-10-28 08:54:37,101 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 67 states. [2021-10-28 08:54:37,106 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 67 to 43. [2021-10-28 08:54:37,107 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) [2021-10-28 08:54:37,107 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 43 states and 48 transitions. [2021-10-28 08:54:37,107 INFO L78 Accepts]: Start accepts. Automaton has 43 states and 48 transitions. Word has length 20 [2021-10-28 08:54:37,107 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 08:54:37,107 INFO L470 AbstractCegarLoop]: Abstraction has 43 states and 48 transitions. [2021-10-28 08:54:37,108 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) [2021-10-28 08:54:37,108 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 48 transitions. [2021-10-28 08:54:37,108 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-10-28 08:54:37,109 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 08:54:37,109 INFO L513 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 08:54:37,144 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_019e8ff4-2385-4560-9dd3-c8d98fb7a32f/bin/uautomizer-UnR33cPsHg/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2021-10-28 08:54:37,309 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_019e8ff4-2385-4560-9dd3-c8d98fb7a32f/bin/uautomizer-UnR33cPsHg/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2021-10-28 08:54:37,309 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 08:54:37,310 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 08:54:37,310 INFO L85 PathProgramCache]: Analyzing trace with hash -1598333292, now seen corresponding path program 5 times [2021-10-28 08:54:37,310 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 08:54:37,310 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1090693202] [2021-10-28 08:54:37,310 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 08:54:37,310 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 08:54:37,328 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-10-28 08:54:37,328 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1959787048] [2021-10-28 08:54:37,328 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2021-10-28 08:54:37,329 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-28 08:54:37,329 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_019e8ff4-2385-4560-9dd3-c8d98fb7a32f/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 08:54:37,339 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_019e8ff4-2385-4560-9dd3-c8d98fb7a32f/bin/uautomizer-UnR33cPsHg/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-28 08:54:37,348 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_019e8ff4-2385-4560-9dd3-c8d98fb7a32f/bin/uautomizer-UnR33cPsHg/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2021-10-28 08:54:37,529 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 4 check-sat command(s) [2021-10-28 08:54:37,529 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-10-28 08:54:37,531 INFO L263 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 8 conjunts are in the unsatisfiable core [2021-10-28 08:54:37,532 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 08:54:37,665 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 4 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 08:54:37,665 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 08:54:37,665 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1090693202] [2021-10-28 08:54:37,666 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-10-28 08:54:37,666 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1959787048] [2021-10-28 08:54:37,666 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1959787048] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-28 08:54:37,666 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2021-10-28 08:54:37,666 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9] total 9 [2021-10-28 08:54:37,666 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [747569529] [2021-10-28 08:54:37,666 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2021-10-28 08:54:37,666 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 08:54:37,667 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-10-28 08:54:37,667 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2021-10-28 08:54:37,667 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) [2021-10-28 08:54:37,820 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 08:54:37,821 INFO L93 Difference]: Finished difference Result 82 states and 89 transitions. [2021-10-28 08:54:37,821 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-10-28 08:54:37,821 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 [2021-10-28 08:54:37,821 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 08:54:37,822 INFO L225 Difference]: With dead ends: 82 [2021-10-28 08:54:37,822 INFO L226 Difference]: Without dead ends: 75 [2021-10-28 08:54:37,822 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=52, Invalid=104, Unknown=0, NotChecked=0, Total=156 [2021-10-28 08:54:37,823 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 75 states. [2021-10-28 08:54:37,828 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 75 to 45. [2021-10-28 08:54:37,829 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) [2021-10-28 08:54:37,829 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 45 states and 50 transitions. [2021-10-28 08:54:37,829 INFO L78 Accepts]: Start accepts. Automaton has 45 states and 50 transitions. Word has length 22 [2021-10-28 08:54:37,830 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 08:54:37,830 INFO L470 AbstractCegarLoop]: Abstraction has 45 states and 50 transitions. [2021-10-28 08:54:37,830 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) [2021-10-28 08:54:37,830 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 50 transitions. [2021-10-28 08:54:37,831 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-10-28 08:54:37,831 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 08:54:37,831 INFO L513 BasicCegarLoop]: trace histogram [3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 08:54:37,867 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_019e8ff4-2385-4560-9dd3-c8d98fb7a32f/bin/uautomizer-UnR33cPsHg/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 0 [2021-10-28 08:54:38,047 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_019e8ff4-2385-4560-9dd3-c8d98fb7a32f/bin/uautomizer-UnR33cPsHg/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-28 08:54:38,047 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 08:54:38,048 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 08:54:38,048 INFO L85 PathProgramCache]: Analyzing trace with hash 1197174726, now seen corresponding path program 2 times [2021-10-28 08:54:38,048 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 08:54:38,048 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1122711988] [2021-10-28 08:54:38,048 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 08:54:38,048 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 08:54:38,066 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-10-28 08:54:38,066 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1160092477] [2021-10-28 08:54:38,066 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-10-28 08:54:38,066 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-28 08:54:38,066 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_019e8ff4-2385-4560-9dd3-c8d98fb7a32f/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 08:54:38,069 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_019e8ff4-2385-4560-9dd3-c8d98fb7a32f/bin/uautomizer-UnR33cPsHg/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-28 08:54:38,084 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_019e8ff4-2385-4560-9dd3-c8d98fb7a32f/bin/uautomizer-UnR33cPsHg/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2021-10-28 08:54:38,256 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-10-28 08:54:38,256 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-10-28 08:54:38,258 INFO L263 TraceCheckSpWp]: Trace formula consists of 106 conjuncts, 7 conjunts are in the unsatisfiable core [2021-10-28 08:54:38,260 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 08:54:38,390 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 8 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-10-28 08:54:38,390 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 08:54:38,391 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1122711988] [2021-10-28 08:54:38,391 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-10-28 08:54:38,391 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1160092477] [2021-10-28 08:54:38,391 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1160092477] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-28 08:54:38,391 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2021-10-28 08:54:38,391 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2021-10-28 08:54:38,391 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [537899849] [2021-10-28 08:54:38,392 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-10-28 08:54:38,392 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 08:54:38,392 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-10-28 08:54:38,392 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2021-10-28 08:54:38,392 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) [2021-10-28 08:54:38,498 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 08:54:38,498 INFO L93 Difference]: Finished difference Result 69 states and 74 transitions. [2021-10-28 08:54:38,498 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-10-28 08:54:38,498 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 [2021-10-28 08:54:38,499 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 08:54:38,499 INFO L225 Difference]: With dead ends: 69 [2021-10-28 08:54:38,499 INFO L226 Difference]: Without dead ends: 49 [2021-10-28 08:54:38,500 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=57, Invalid=99, Unknown=0, NotChecked=0, Total=156 [2021-10-28 08:54:38,500 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 49 states. [2021-10-28 08:54:38,504 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 49 to 36. [2021-10-28 08:54:38,504 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) [2021-10-28 08:54:38,505 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 36 states and 40 transitions. [2021-10-28 08:54:38,505 INFO L78 Accepts]: Start accepts. Automaton has 36 states and 40 transitions. Word has length 24 [2021-10-28 08:54:38,505 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 08:54:38,505 INFO L470 AbstractCegarLoop]: Abstraction has 36 states and 40 transitions. [2021-10-28 08:54:38,505 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) [2021-10-28 08:54:38,506 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 40 transitions. [2021-10-28 08:54:38,506 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-10-28 08:54:38,506 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 08:54:38,506 INFO L513 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 08:54:38,542 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_019e8ff4-2385-4560-9dd3-c8d98fb7a32f/bin/uautomizer-UnR33cPsHg/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Forceful destruction successful, exit code 0 [2021-10-28 08:54:38,730 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_019e8ff4-2385-4560-9dd3-c8d98fb7a32f/bin/uautomizer-UnR33cPsHg/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2021-10-28 08:54:38,730 INFO L402 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 08:54:38,730 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 08:54:38,730 INFO L85 PathProgramCache]: Analyzing trace with hash 1232945932, now seen corresponding path program 3 times [2021-10-28 08:54:38,730 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 08:54:38,731 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1464441367] [2021-10-28 08:54:38,731 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 08:54:38,731 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 08:54:38,744 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-10-28 08:54:38,744 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [853287530] [2021-10-28 08:54:38,744 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2021-10-28 08:54:38,744 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-28 08:54:38,744 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_019e8ff4-2385-4560-9dd3-c8d98fb7a32f/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 08:54:38,745 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_019e8ff4-2385-4560-9dd3-c8d98fb7a32f/bin/uautomizer-UnR33cPsHg/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-28 08:54:38,759 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_019e8ff4-2385-4560-9dd3-c8d98fb7a32f/bin/uautomizer-UnR33cPsHg/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2021-10-28 08:54:38,937 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2021-10-28 08:54:38,938 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-10-28 08:54:38,939 INFO L263 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 33 conjunts are in the unsatisfiable core [2021-10-28 08:54:38,941 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 08:54:38,965 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-10-28 08:54:38,976 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 [2021-10-28 08:54:39,020 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-28 08:54:39,022 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-28 08:54:39,022 INFO L173 IndexEqualityManager]: detected equality via solver [2021-10-28 08:54:39,026 INFO L354 Elim1Store]: treesize reduction 19, result has 5.0 percent of original size [2021-10-28 08:54:39,027 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 [2021-10-28 08:54:39,100 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-28 08:54:39,146 INFO L354 Elim1Store]: treesize reduction 186, result has 16.2 percent of original size [2021-10-28 08:54:39,147 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 [2021-10-28 08:54:39,333 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-28 08:54:39,334 INFO L173 IndexEqualityManager]: detected equality via solver [2021-10-28 08:54:39,335 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-28 08:54:39,336 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-28 08:54:39,337 INFO L173 IndexEqualityManager]: detected equality via solver [2021-10-28 08:54:39,337 INFO L173 IndexEqualityManager]: detected equality via solver [2021-10-28 08:54:39,395 INFO L354 Elim1Store]: treesize reduction 335, result has 9.0 percent of original size [2021-10-28 08:54:39,395 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 [2021-10-28 08:54:39,568 INFO L173 IndexEqualityManager]: detected equality via solver [2021-10-28 08:54:39,569 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-28 08:54:39,709 INFO L354 Elim1Store]: treesize reduction 648, result has 10.2 percent of original size [2021-10-28 08:54:39,710 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 [2021-10-28 08:54:40,240 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-10-28 08:54:40,241 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 [2021-10-28 08:54:40,274 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 08:54:40,274 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 08:54:40,274 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1464441367] [2021-10-28 08:54:40,274 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-10-28 08:54:40,274 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [853287530] [2021-10-28 08:54:40,275 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [853287530] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-28 08:54:40,275 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2021-10-28 08:54:40,275 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13] total 13 [2021-10-28 08:54:40,275 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1177099287] [2021-10-28 08:54:40,275 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2021-10-28 08:54:40,275 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 08:54:40,276 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-10-28 08:54:40,276 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=141, Unknown=0, NotChecked=0, Total=182 [2021-10-28 08:54:40,276 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) [2021-10-28 08:54:41,171 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 08:54:41,171 INFO L93 Difference]: Finished difference Result 46 states and 52 transitions. [2021-10-28 08:54:41,172 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-10-28 08:54:41,172 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 [2021-10-28 08:54:41,172 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 08:54:41,172 INFO L225 Difference]: With dead ends: 46 [2021-10-28 08:54:41,172 INFO L226 Difference]: Without dead ends: 0 [2021-10-28 08:54:41,173 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 64 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=85, Invalid=295, Unknown=0, NotChecked=0, Total=380 [2021-10-28 08:54:41,173 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-10-28 08:54:41,173 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-10-28 08:54:41,173 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 08:54:41,173 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-10-28 08:54:41,173 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 24 [2021-10-28 08:54:41,173 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 08:54:41,173 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-28 08:54:41,174 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) [2021-10-28 08:54:41,174 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-10-28 08:54:41,174 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-10-28 08:54:41,176 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION [2021-10-28 08:54:41,199 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_019e8ff4-2385-4560-9dd3-c8d98fb7a32f/bin/uautomizer-UnR33cPsHg/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Ended with exit code 0 [2021-10-28 08:54:41,382 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_019e8ff4-2385-4560-9dd3-c8d98fb7a32f/bin/uautomizer-UnR33cPsHg/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2021-10-28 08:54:41,383 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-10-28 08:54:41,386 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 08:54:41,388 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 08:54:41,438 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 08:54:41,446 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 08:54:43,173 INFO L857 garLoopResultBuilder]: For program point L15(line 15) no Hoare annotation was computed. [2021-10-28 08:54:43,173 INFO L857 garLoopResultBuilder]: For program point L15-1(line 15) no Hoare annotation was computed. [2021-10-28 08:54:43,173 INFO L857 garLoopResultBuilder]: For program point L15-3(line 15) no Hoare annotation was computed. [2021-10-28 08:54:43,173 INFO L857 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2021-10-28 08:54:43,173 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-10-28 08:54:43,174 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-10-28 08:54:43,174 INFO L857 garLoopResultBuilder]: For program point L24(line 24) no Hoare annotation was computed. [2021-10-28 08:54:43,174 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 15) no Hoare annotation was computed. [2021-10-28 08:54:43,174 INFO L857 garLoopResultBuilder]: For program point L12(lines 12 14) no Hoare annotation was computed. [2021-10-28 08:54:43,174 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-10-28 08:54:43,174 INFO L857 garLoopResultBuilder]: For program point L33-2(lines 33 36) no Hoare annotation was computed. [2021-10-28 08:54:43,174 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)))))))))) [2021-10-28 08:54:43,174 INFO L857 garLoopResultBuilder]: For program point L33-4(lines 33 36) no Hoare annotation was computed. [2021-10-28 08:54:43,174 INFO L857 garLoopResultBuilder]: For program point L13(line 13) no Hoare annotation was computed. [2021-10-28 08:54:43,175 INFO L857 garLoopResultBuilder]: For program point L38-2(lines 38 41) no Hoare annotation was computed. [2021-10-28 08:54:43,175 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))))) [2021-10-28 08:54:43,175 INFO L857 garLoopResultBuilder]: For program point L38-4(lines 38 41) no Hoare annotation was computed. [2021-10-28 08:54:43,175 INFO L860 garLoopResultBuilder]: At program point L47(lines 21 48) the Hoare annotation is: true [2021-10-28 08:54:43,175 INFO L857 garLoopResultBuilder]: For program point L43-2(lines 43 46) no Hoare annotation was computed. [2021-10-28 08:54:43,175 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))))) [2021-10-28 08:54:43,176 INFO L857 garLoopResultBuilder]: For program point L43-4(lines 43 46) no Hoare annotation was computed. [2021-10-28 08:54:43,179 INFO L731 BasicCegarLoop]: Path program histogram: [5, 3, 1, 1, 1, 1, 1] [2021-10-28 08:54:43,180 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-10-28 08:54:43,190 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~i~0,QUANTIFIED] [2021-10-28 08:54:43,191 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~i~0,QUANTIFIED] [2021-10-28 08:54:43,192 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~i~0,QUANTIFIED] [2021-10-28 08:54:43,192 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_37,QUANTIFIED] [2021-10-28 08:54:43,192 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_37,QUANTIFIED] [2021-10-28 08:54:43,193 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_37,QUANTIFIED] [2021-10-28 08:54:43,193 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~a~0.base,QUANTIFIED] [2021-10-28 08:54:43,193 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_37,QUANTIFIED] [2021-10-28 08:54:43,194 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~i~0,QUANTIFIED] [2021-10-28 08:54:43,194 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~i~0,QUANTIFIED] [2021-10-28 08:54:43,194 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~a~0.base,QUANTIFIED] [2021-10-28 08:54:43,194 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~i~0,QUANTIFIED] [2021-10-28 08:54:43,195 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~i~0,QUANTIFIED] [2021-10-28 08:54:43,195 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~a~0.base,QUANTIFIED] [2021-10-28 08:54:43,195 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~a~0.base,QUANTIFIED] [2021-10-28 08:54:43,195 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~a~0.base,QUANTIFIED] [2021-10-28 08:54:43,195 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_37,QUANTIFIED] [2021-10-28 08:54:43,196 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~a~0.base,QUANTIFIED] [2021-10-28 08:54:43,196 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_37,QUANTIFIED] [2021-10-28 08:54:43,196 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~a~0.base,QUANTIFIED] [2021-10-28 08:54:43,196 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_37,QUANTIFIED] [2021-10-28 08:54:43,196 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_37,QUANTIFIED] [2021-10-28 08:54:43,197 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_37,QUANTIFIED] [2021-10-28 08:54:43,212 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~i~0,QUANTIFIED] [2021-10-28 08:54:43,212 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~i~0,QUANTIFIED] [2021-10-28 08:54:43,213 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~i~0,QUANTIFIED] [2021-10-28 08:54:43,213 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_37,QUANTIFIED] [2021-10-28 08:54:43,213 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_37,QUANTIFIED] [2021-10-28 08:54:43,214 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_37,QUANTIFIED] [2021-10-28 08:54:43,214 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~a~0.base,QUANTIFIED] [2021-10-28 08:54:43,214 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_37,QUANTIFIED] [2021-10-28 08:54:43,215 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~i~0,QUANTIFIED] [2021-10-28 08:54:43,215 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~i~0,QUANTIFIED] [2021-10-28 08:54:43,215 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~a~0.base,QUANTIFIED] [2021-10-28 08:54:43,215 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~i~0,QUANTIFIED] [2021-10-28 08:54:43,215 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~i~0,QUANTIFIED] [2021-10-28 08:54:43,216 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~a~0.base,QUANTIFIED] [2021-10-28 08:54:43,216 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~a~0.base,QUANTIFIED] [2021-10-28 08:54:43,216 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~a~0.base,QUANTIFIED] [2021-10-28 08:54:43,216 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_37,QUANTIFIED] [2021-10-28 08:54:43,217 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~a~0.base,QUANTIFIED] [2021-10-28 08:54:43,217 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_37,QUANTIFIED] [2021-10-28 08:54:43,217 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~a~0.base,QUANTIFIED] [2021-10-28 08:54:43,217 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_37,QUANTIFIED] [2021-10-28 08:54:43,217 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_37,QUANTIFIED] [2021-10-28 08:54:43,218 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_37,QUANTIFIED] [2021-10-28 08:54:43,224 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~i~0,QUANTIFIED] [2021-10-28 08:54:43,225 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~i~0,QUANTIFIED] [2021-10-28 08:54:43,225 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~i~0,QUANTIFIED] [2021-10-28 08:54:43,227 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~i~0,QUANTIFIED] [2021-10-28 08:54:43,227 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~i~0,QUANTIFIED] [2021-10-28 08:54:43,227 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~i~0,QUANTIFIED] [2021-10-28 08:54:43,230 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~a~0.base,QUANTIFIED] [2021-10-28 08:54:43,230 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_37,QUANTIFIED] [2021-10-28 08:54:43,230 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~i~0,QUANTIFIED] [2021-10-28 08:54:43,230 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~i~0,QUANTIFIED] [2021-10-28 08:54:43,231 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~a~0.base,QUANTIFIED] [2021-10-28 08:54:43,231 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~i~0,QUANTIFIED] [2021-10-28 08:54:43,231 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~i~0,QUANTIFIED] [2021-10-28 08:54:43,231 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~a~0.base,QUANTIFIED] [2021-10-28 08:54:43,232 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~a~0.base,QUANTIFIED] [2021-10-28 08:54:43,232 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~a~0.base,QUANTIFIED] [2021-10-28 08:54:43,232 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_37,QUANTIFIED] [2021-10-28 08:54:43,232 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~a~0.base,QUANTIFIED] [2021-10-28 08:54:43,232 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_37,QUANTIFIED] [2021-10-28 08:54:43,233 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~a~0.base,QUANTIFIED] [2021-10-28 08:54:43,233 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~i~0,QUANTIFIED] [2021-10-28 08:54:43,233 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~i~0,QUANTIFIED] [2021-10-28 08:54:43,234 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~i~0,QUANTIFIED] [2021-10-28 08:54:43,234 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~a~0.base,QUANTIFIED] [2021-10-28 08:54:43,234 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_37,QUANTIFIED] [2021-10-28 08:54:43,234 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~i~0,QUANTIFIED] [2021-10-28 08:54:43,235 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~i~0,QUANTIFIED] [2021-10-28 08:54:43,235 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~a~0.base,QUANTIFIED] [2021-10-28 08:54:43,235 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~i~0,QUANTIFIED] [2021-10-28 08:54:43,235 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~i~0,QUANTIFIED] [2021-10-28 08:54:43,236 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~a~0.base,QUANTIFIED] [2021-10-28 08:54:43,236 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~a~0.base,QUANTIFIED] [2021-10-28 08:54:43,236 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~a~0.base,QUANTIFIED] [2021-10-28 08:54:43,236 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_37,QUANTIFIED] [2021-10-28 08:54:43,244 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~a~0.base,QUANTIFIED] [2021-10-28 08:54:43,244 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_37,QUANTIFIED] [2021-10-28 08:54:43,244 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~a~0.base,QUANTIFIED] [2021-10-28 08:54:43,245 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_37,QUANTIFIED] [2021-10-28 08:54:43,245 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_37,QUANTIFIED] [2021-10-28 08:54:43,245 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_37,QUANTIFIED] [2021-10-28 08:54:43,246 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~a~0.base,QUANTIFIED] [2021-10-28 08:54:43,246 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_37,QUANTIFIED] [2021-10-28 08:54:43,246 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~i~0,QUANTIFIED] [2021-10-28 08:54:43,246 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~i~0,QUANTIFIED] [2021-10-28 08:54:43,247 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~a~0.base,QUANTIFIED] [2021-10-28 08:54:43,247 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~i~0,QUANTIFIED] [2021-10-28 08:54:43,247 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~i~0,QUANTIFIED] [2021-10-28 08:54:43,247 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~a~0.base,QUANTIFIED] [2021-10-28 08:54:43,248 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~a~0.base,QUANTIFIED] [2021-10-28 08:54:43,248 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~a~0.base,QUANTIFIED] [2021-10-28 08:54:43,248 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_37,QUANTIFIED] [2021-10-28 08:54:43,248 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~a~0.base,QUANTIFIED] [2021-10-28 08:54:43,248 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_37,QUANTIFIED] [2021-10-28 08:54:43,249 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~a~0.base,QUANTIFIED] [2021-10-28 08:54:43,249 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_37,QUANTIFIED] [2021-10-28 08:54:43,249 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_37,QUANTIFIED] [2021-10-28 08:54:43,249 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_37,QUANTIFIED] [2021-10-28 08:54:43,254 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~a~0.base,QUANTIFIED] [2021-10-28 08:54:43,254 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_37,QUANTIFIED] [2021-10-28 08:54:43,255 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~i~0,QUANTIFIED] [2021-10-28 08:54:43,255 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~i~0,QUANTIFIED] [2021-10-28 08:54:43,255 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~a~0.base,QUANTIFIED] [2021-10-28 08:54:43,255 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~i~0,QUANTIFIED] [2021-10-28 08:54:43,256 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~i~0,QUANTIFIED] [2021-10-28 08:54:43,256 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~a~0.base,QUANTIFIED] [2021-10-28 08:54:43,256 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~a~0.base,QUANTIFIED] [2021-10-28 08:54:43,256 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~a~0.base,QUANTIFIED] [2021-10-28 08:54:43,256 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_37,QUANTIFIED] [2021-10-28 08:54:43,257 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~a~0.base,QUANTIFIED] [2021-10-28 08:54:43,257 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_37,QUANTIFIED] [2021-10-28 08:54:43,257 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~a~0.base,QUANTIFIED] [2021-10-28 08:54:43,257 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~i~0,QUANTIFIED] [2021-10-28 08:54:43,258 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~i~0,QUANTIFIED] [2021-10-28 08:54:43,258 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~i~0,QUANTIFIED] [2021-10-28 08:54:43,258 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~a~0.base,QUANTIFIED] [2021-10-28 08:54:43,258 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_37,QUANTIFIED] [2021-10-28 08:54:43,259 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~i~0,QUANTIFIED] [2021-10-28 08:54:43,269 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~i~0,QUANTIFIED] [2021-10-28 08:54:43,269 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~a~0.base,QUANTIFIED] [2021-10-28 08:54:43,269 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~i~0,QUANTIFIED] [2021-10-28 08:54:43,270 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~i~0,QUANTIFIED] [2021-10-28 08:54:43,270 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~a~0.base,QUANTIFIED] [2021-10-28 08:54:43,270 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~a~0.base,QUANTIFIED] [2021-10-28 08:54:43,270 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~a~0.base,QUANTIFIED] [2021-10-28 08:54:43,271 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_37,QUANTIFIED] [2021-10-28 08:54:43,271 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~a~0.base,QUANTIFIED] [2021-10-28 08:54:43,271 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_37,QUANTIFIED] [2021-10-28 08:54:43,271 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~a~0.base,QUANTIFIED] [2021-10-28 08:54:43,271 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_37,QUANTIFIED] [2021-10-28 08:54:43,272 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_37,QUANTIFIED] [2021-10-28 08:54:43,272 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_37,QUANTIFIED] [2021-10-28 08:54:43,272 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~a~0.base,QUANTIFIED] [2021-10-28 08:54:43,273 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_37,QUANTIFIED] [2021-10-28 08:54:43,273 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~i~0,QUANTIFIED] [2021-10-28 08:54:43,273 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~i~0,QUANTIFIED] [2021-10-28 08:54:43,273 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~a~0.base,QUANTIFIED] [2021-10-28 08:54:43,273 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~i~0,QUANTIFIED] [2021-10-28 08:54:43,274 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~i~0,QUANTIFIED] [2021-10-28 08:54:43,274 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~a~0.base,QUANTIFIED] [2021-10-28 08:54:43,274 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~a~0.base,QUANTIFIED] [2021-10-28 08:54:43,274 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~a~0.base,QUANTIFIED] [2021-10-28 08:54:43,278 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_37,QUANTIFIED] [2021-10-28 08:54:43,278 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~a~0.base,QUANTIFIED] [2021-10-28 08:54:43,278 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_37,QUANTIFIED] [2021-10-28 08:54:43,278 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~a~0.base,QUANTIFIED] [2021-10-28 08:54:43,279 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_37,QUANTIFIED] [2021-10-28 08:54:43,279 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_37,QUANTIFIED] [2021-10-28 08:54:43,279 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_37,QUANTIFIED] [2021-10-28 08:54:43,283 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.10 08:54:43 BoogieIcfgContainer [2021-10-28 08:54:43,289 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-28 08:54:43,290 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-28 08:54:43,290 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-28 08:54:43,290 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-28 08:54:43,290 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 08:54:22" (3/4) ... [2021-10-28 08:54:43,293 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-10-28 08:54:43,308 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2021-10-28 08:54:43,309 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2021-10-28 08:54:43,309 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-28 08:54:43,309 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-28 08:54:43,337 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)) [2021-10-28 08:54:43,338 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) [2021-10-28 08:54:43,338 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) [2021-10-28 08:54:43,358 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_019e8ff4-2385-4560-9dd3-c8d98fb7a32f/bin/uautomizer-UnR33cPsHg/witness.graphml [2021-10-28 08:54:43,358 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-28 08:54:43,360 INFO L168 Benchmark]: Toolchain (without parser) took 21853.57 ms. Allocated memory was 102.8 MB in the beginning and 167.8 MB in the end (delta: 65.0 MB). Free memory was 77.6 MB in the beginning and 134.9 MB in the end (delta: -57.2 MB). Peak memory consumption was 8.7 MB. Max. memory is 16.1 GB. [2021-10-28 08:54:43,360 INFO L168 Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 75.5 MB. Free memory was 44.1 MB in the beginning and 44.0 MB in the end (delta: 67.1 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-28 08:54:43,360 INFO L168 Benchmark]: CACSL2BoogieTranslator took 208.59 ms. Allocated memory is still 102.8 MB. Free memory was 77.5 MB in the beginning and 67.5 MB in the end (delta: 10.0 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-10-28 08:54:43,361 INFO L168 Benchmark]: Boogie Procedure Inliner took 35.88 ms. Allocated memory is still 102.8 MB. Free memory was 67.5 MB in the beginning and 65.9 MB in the end (delta: 1.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-28 08:54:43,361 INFO L168 Benchmark]: Boogie Preprocessor took 24.31 ms. Allocated memory is still 102.8 MB. Free memory was 65.9 MB in the beginning and 64.7 MB in the end (delta: 1.2 MB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-28 08:54:43,361 INFO L168 Benchmark]: RCFGBuilder took 283.82 ms. Allocated memory is still 102.8 MB. Free memory was 64.7 MB in the beginning and 54.0 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-10-28 08:54:43,362 INFO L168 Benchmark]: TraceAbstraction took 21225.84 ms. Allocated memory was 102.8 MB in the beginning and 167.8 MB in the end (delta: 65.0 MB). Free memory was 53.5 MB in the beginning and 137.0 MB in the end (delta: -83.4 MB). Peak memory consumption was 75.8 MB. Max. memory is 16.1 GB. [2021-10-28 08:54:43,363 INFO L168 Benchmark]: Witness Printer took 68.81 ms. Allocated memory is still 167.8 MB. Free memory was 137.0 MB in the beginning and 134.9 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-28 08:54:43,370 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23 ms. Allocated memory is still 75.5 MB. Free memory was 44.1 MB in the beginning and 44.0 MB in the end (delta: 67.1 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 208.59 ms. Allocated memory is still 102.8 MB. Free memory was 77.5 MB in the beginning and 67.5 MB in the end (delta: 10.0 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 35.88 ms. Allocated memory is still 102.8 MB. Free memory was 67.5 MB in the beginning and 65.9 MB in the end (delta: 1.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 24.31 ms. Allocated memory is still 102.8 MB. Free memory was 65.9 MB in the beginning and 64.7 MB in the end (delta: 1.2 MB). There was no memory consumed. Max. memory is 16.1 GB. * RCFGBuilder took 283.82 ms. Allocated memory is still 102.8 MB. Free memory was 64.7 MB in the beginning and 54.0 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * TraceAbstraction took 21225.84 ms. Allocated memory was 102.8 MB in the beginning and 167.8 MB in the end (delta: 65.0 MB). Free memory was 53.5 MB in the beginning and 137.0 MB in the end (delta: -83.4 MB). Peak memory consumption was 75.8 MB. Max. memory is 16.1 GB. * Witness Printer took 68.81 ms. Allocated memory is still 167.8 MB. Free memory was 137.0 MB in the beginning and 134.9 MB in the end (delta: 2.1 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, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 15]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 21 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 21.0s, OverallIterations: 13, TraceHistogramMax: 3, PathProgramHistogramMax: 5, EmptinessCheckTime: 0.0s, AutomataDifference: 5.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 1.7s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 209 SDtfs, 412 SDslu, 494 SDs, 0 SdLazy, 892 SolverSat, 184 SolverUnsat, 1 SolverUnknown, 0 SolverNotchecked, 3.4s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 262 GetRequests, 140 SyntacticMatches, 0 SemanticMatches, 122 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 201 ImplicationChecksByTransitivity, 2.4s Time, 0.0s 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, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 13 MinimizatonAttempts, 180 StatesRemovedByMinimization, 11 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 4 LocationsWithAnnotation, 4 PreInvPairs, 28 NumberOfFragments, 1321 HoareAnnotationTreeSize, 4 FomulaSimplifications, 1525 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 4 FomulaSimplificationsInter, 1418 FormulaSimplificationTreeSizeReductionInter, 1.7s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 9.0s 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 [2021-10-28 08:54:43,384 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~i~0,QUANTIFIED] [2021-10-28 08:54:43,384 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~i~0,QUANTIFIED] [2021-10-28 08:54:43,385 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~i~0,QUANTIFIED] [2021-10-28 08:54:43,385 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_37,QUANTIFIED] [2021-10-28 08:54:43,385 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_37,QUANTIFIED] [2021-10-28 08:54:43,385 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_37,QUANTIFIED] [2021-10-28 08:54:43,385 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~a~0.base,QUANTIFIED] [2021-10-28 08:54:43,385 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_37,QUANTIFIED] [2021-10-28 08:54:43,386 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~i~0,QUANTIFIED] [2021-10-28 08:54:43,389 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~i~0,QUANTIFIED] [2021-10-28 08:54:43,390 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~a~0.base,QUANTIFIED] [2021-10-28 08:54:43,390 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~i~0,QUANTIFIED] [2021-10-28 08:54:43,390 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~i~0,QUANTIFIED] [2021-10-28 08:54:43,390 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~a~0.base,QUANTIFIED] [2021-10-28 08:54:43,390 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~a~0.base,QUANTIFIED] [2021-10-28 08:54:43,390 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~a~0.base,QUANTIFIED] [2021-10-28 08:54:43,390 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_37,QUANTIFIED] [2021-10-28 08:54:43,391 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~a~0.base,QUANTIFIED] [2021-10-28 08:54:43,391 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_37,QUANTIFIED] [2021-10-28 08:54:43,391 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~a~0.base,QUANTIFIED] [2021-10-28 08:54:43,391 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_37,QUANTIFIED] [2021-10-28 08:54:43,391 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_37,QUANTIFIED] [2021-10-28 08:54:43,391 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_37,QUANTIFIED] [2021-10-28 08:54:43,393 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~i~0,QUANTIFIED] [2021-10-28 08:54:43,393 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~i~0,QUANTIFIED] [2021-10-28 08:54:43,394 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~i~0,QUANTIFIED] [2021-10-28 08:54:43,394 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_37,QUANTIFIED] [2021-10-28 08:54:43,394 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_37,QUANTIFIED] [2021-10-28 08:54:43,394 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_37,QUANTIFIED] [2021-10-28 08:54:43,394 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~a~0.base,QUANTIFIED] [2021-10-28 08:54:43,394 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_37,QUANTIFIED] [2021-10-28 08:54:43,395 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~i~0,QUANTIFIED] [2021-10-28 08:54:43,395 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~i~0,QUANTIFIED] [2021-10-28 08:54:43,395 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~a~0.base,QUANTIFIED] [2021-10-28 08:54:43,395 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~i~0,QUANTIFIED] [2021-10-28 08:54:43,395 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~i~0,QUANTIFIED] [2021-10-28 08:54:43,395 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~a~0.base,QUANTIFIED] [2021-10-28 08:54:43,395 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~a~0.base,QUANTIFIED] [2021-10-28 08:54:43,395 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~a~0.base,QUANTIFIED] [2021-10-28 08:54:43,396 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_37,QUANTIFIED] [2021-10-28 08:54:43,396 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~a~0.base,QUANTIFIED] [2021-10-28 08:54:43,396 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_37,QUANTIFIED] [2021-10-28 08:54:43,396 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~a~0.base,QUANTIFIED] [2021-10-28 08:54:43,396 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_37,QUANTIFIED] [2021-10-28 08:54:43,396 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_37,QUANTIFIED] [2021-10-28 08:54:43,396 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 [2021-10-28 08:54:43,397 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~i~0,QUANTIFIED] [2021-10-28 08:54:43,397 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~i~0,QUANTIFIED] [2021-10-28 08:54:43,398 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~i~0,QUANTIFIED] [2021-10-28 08:54:43,398 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~i~0,QUANTIFIED] [2021-10-28 08:54:43,398 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~i~0,QUANTIFIED] [2021-10-28 08:54:43,398 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 [2021-10-28 08:54:43,399 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~a~0.base,QUANTIFIED] [2021-10-28 08:54:43,399 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_37,QUANTIFIED] [2021-10-28 08:54:43,399 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~i~0,QUANTIFIED] [2021-10-28 08:54:43,399 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~i~0,QUANTIFIED] [2021-10-28 08:54:43,399 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~a~0.base,QUANTIFIED] [2021-10-28 08:54:43,399 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~i~0,QUANTIFIED] [2021-10-28 08:54:43,399 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~i~0,QUANTIFIED] [2021-10-28 08:54:43,399 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~a~0.base,QUANTIFIED] [2021-10-28 08:54:43,399 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~a~0.base,QUANTIFIED] [2021-10-28 08:54:43,400 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~a~0.base,QUANTIFIED] [2021-10-28 08:54:43,400 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_37,QUANTIFIED] [2021-10-28 08:54:43,400 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~a~0.base,QUANTIFIED] [2021-10-28 08:54:43,400 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_37,QUANTIFIED] [2021-10-28 08:54:43,400 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~a~0.base,QUANTIFIED] [2021-10-28 08:54:43,400 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~i~0,QUANTIFIED] [2021-10-28 08:54:43,400 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~i~0,QUANTIFIED] [2021-10-28 08:54:43,400 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~i~0,QUANTIFIED] [2021-10-28 08:54:43,400 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~a~0.base,QUANTIFIED] [2021-10-28 08:54:43,400 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_37,QUANTIFIED] [2021-10-28 08:54:43,401 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~i~0,QUANTIFIED] [2021-10-28 08:54:43,401 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~i~0,QUANTIFIED] [2021-10-28 08:54:43,401 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~a~0.base,QUANTIFIED] [2021-10-28 08:54:43,401 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~i~0,QUANTIFIED] [2021-10-28 08:54:43,401 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~i~0,QUANTIFIED] [2021-10-28 08:54:43,401 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~a~0.base,QUANTIFIED] [2021-10-28 08:54:43,401 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~a~0.base,QUANTIFIED] [2021-10-28 08:54:43,401 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~a~0.base,QUANTIFIED] [2021-10-28 08:54:43,401 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_37,QUANTIFIED] [2021-10-28 08:54:43,402 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~a~0.base,QUANTIFIED] [2021-10-28 08:54:43,402 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_37,QUANTIFIED] [2021-10-28 08:54:43,402 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~a~0.base,QUANTIFIED] [2021-10-28 08:54:43,402 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_37,QUANTIFIED] [2021-10-28 08:54:43,402 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_37,QUANTIFIED] [2021-10-28 08:54:43,402 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_37,QUANTIFIED] [2021-10-28 08:54:43,403 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~a~0.base,QUANTIFIED] [2021-10-28 08:54:43,403 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_37,QUANTIFIED] [2021-10-28 08:54:43,403 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~i~0,QUANTIFIED] [2021-10-28 08:54:43,403 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~i~0,QUANTIFIED] [2021-10-28 08:54:43,404 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~a~0.base,QUANTIFIED] [2021-10-28 08:54:43,404 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~i~0,QUANTIFIED] [2021-10-28 08:54:43,404 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~i~0,QUANTIFIED] [2021-10-28 08:54:43,404 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~a~0.base,QUANTIFIED] [2021-10-28 08:54:43,404 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~a~0.base,QUANTIFIED] [2021-10-28 08:54:43,405 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~a~0.base,QUANTIFIED] [2021-10-28 08:54:43,405 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_37,QUANTIFIED] [2021-10-28 08:54:43,405 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~a~0.base,QUANTIFIED] [2021-10-28 08:54:43,405 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_37,QUANTIFIED] [2021-10-28 08:54:43,405 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~a~0.base,QUANTIFIED] [2021-10-28 08:54:43,406 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_37,QUANTIFIED] [2021-10-28 08:54:43,406 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_37,QUANTIFIED] [2021-10-28 08:54:43,406 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_37,QUANTIFIED] [2021-10-28 08:54:43,408 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~a~0.base,QUANTIFIED] [2021-10-28 08:54:43,409 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_37,QUANTIFIED] [2021-10-28 08:54:43,409 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~i~0,QUANTIFIED] [2021-10-28 08:54:43,409 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~i~0,QUANTIFIED] [2021-10-28 08:54:43,409 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~a~0.base,QUANTIFIED] [2021-10-28 08:54:43,409 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~i~0,QUANTIFIED] [2021-10-28 08:54:43,410 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~i~0,QUANTIFIED] [2021-10-28 08:54:43,410 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~a~0.base,QUANTIFIED] [2021-10-28 08:54:43,410 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~a~0.base,QUANTIFIED] [2021-10-28 08:54:43,410 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~a~0.base,QUANTIFIED] [2021-10-28 08:54:43,411 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_37,QUANTIFIED] [2021-10-28 08:54:43,411 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~a~0.base,QUANTIFIED] [2021-10-28 08:54:43,411 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_37,QUANTIFIED] [2021-10-28 08:54:43,411 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~a~0.base,QUANTIFIED] [2021-10-28 08:54:43,411 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~i~0,QUANTIFIED] [2021-10-28 08:54:43,412 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~i~0,QUANTIFIED] [2021-10-28 08:54:43,412 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~i~0,QUANTIFIED] [2021-10-28 08:54:43,412 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~a~0.base,QUANTIFIED] [2021-10-28 08:54:43,412 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_37,QUANTIFIED] [2021-10-28 08:54:43,412 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~i~0,QUANTIFIED] [2021-10-28 08:54:43,413 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~i~0,QUANTIFIED] [2021-10-28 08:54:43,413 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~a~0.base,QUANTIFIED] [2021-10-28 08:54:43,413 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~i~0,QUANTIFIED] [2021-10-28 08:54:43,413 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~i~0,QUANTIFIED] [2021-10-28 08:54:43,413 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~a~0.base,QUANTIFIED] [2021-10-28 08:54:43,414 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~a~0.base,QUANTIFIED] [2021-10-28 08:54:43,414 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~a~0.base,QUANTIFIED] [2021-10-28 08:54:43,414 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_37,QUANTIFIED] [2021-10-28 08:54:43,414 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~a~0.base,QUANTIFIED] [2021-10-28 08:54:43,414 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_37,QUANTIFIED] [2021-10-28 08:54:43,415 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~a~0.base,QUANTIFIED] [2021-10-28 08:54:43,415 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_37,QUANTIFIED] [2021-10-28 08:54:43,415 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_37,QUANTIFIED] [2021-10-28 08:54:43,415 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_37,QUANTIFIED] [2021-10-28 08:54:43,415 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~a~0.base,QUANTIFIED] [2021-10-28 08:54:43,416 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_37,QUANTIFIED] [2021-10-28 08:54:43,416 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~i~0,QUANTIFIED] [2021-10-28 08:54:43,416 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~i~0,QUANTIFIED] [2021-10-28 08:54:43,416 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~a~0.base,QUANTIFIED] [2021-10-28 08:54:43,416 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~i~0,QUANTIFIED] [2021-10-28 08:54:43,417 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~i~0,QUANTIFIED] [2021-10-28 08:54:43,417 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~a~0.base,QUANTIFIED] [2021-10-28 08:54:43,417 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~a~0.base,QUANTIFIED] [2021-10-28 08:54:43,417 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~a~0.base,QUANTIFIED] [2021-10-28 08:54:43,417 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_37,QUANTIFIED] [2021-10-28 08:54:43,418 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~a~0.base,QUANTIFIED] [2021-10-28 08:54:43,418 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_37,QUANTIFIED] [2021-10-28 08:54:43,418 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~a~0.base,QUANTIFIED] [2021-10-28 08:54:43,418 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_37,QUANTIFIED] [2021-10-28 08:54:43,418 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_37,QUANTIFIED] [2021-10-28 08:54:43,419 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! [2021-10-28 08:54:43,492 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_019e8ff4-2385-4560-9dd3-c8d98fb7a32f/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...