./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/reducercommutativity/avg10-2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 2329fc70 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5cad805e-20eb-4dec-8305-67530291aee2/bin/uautomizer-uyxdKDjOR8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5cad805e-20eb-4dec-8305-67530291aee2/bin/uautomizer-uyxdKDjOR8/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5cad805e-20eb-4dec-8305-67530291aee2/bin/uautomizer-uyxdKDjOR8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5cad805e-20eb-4dec-8305-67530291aee2/bin/uautomizer-uyxdKDjOR8/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/reducercommutativity/avg10-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5cad805e-20eb-4dec-8305-67530291aee2/bin/uautomizer-uyxdKDjOR8/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5cad805e-20eb-4dec-8305-67530291aee2/bin/uautomizer-uyxdKDjOR8 --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(F end) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 431bc26901e3cf271c74e4f10a5bc241d4509dbbafd99aaf0126c46ffc8b7c33 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-2329fc7 [2022-12-13 22:19:38,167 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-13 22:19:38,168 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-13 22:19:38,182 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-13 22:19:38,183 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-13 22:19:38,183 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-13 22:19:38,184 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-13 22:19:38,185 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-13 22:19:38,186 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-13 22:19:38,187 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-13 22:19:38,188 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-13 22:19:38,189 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-13 22:19:38,189 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-13 22:19:38,189 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-13 22:19:38,190 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-13 22:19:38,191 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-13 22:19:38,192 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-13 22:19:38,192 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-13 22:19:38,193 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-13 22:19:38,195 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-13 22:19:38,196 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-13 22:19:38,197 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-13 22:19:38,198 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-13 22:19:38,198 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-13 22:19:38,201 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-13 22:19:38,201 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-13 22:19:38,201 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-13 22:19:38,202 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-13 22:19:38,202 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-13 22:19:38,203 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-13 22:19:38,203 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-13 22:19:38,204 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-13 22:19:38,204 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-13 22:19:38,205 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-13 22:19:38,205 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-13 22:19:38,206 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-13 22:19:38,206 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-13 22:19:38,206 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-13 22:19:38,206 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-13 22:19:38,207 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-13 22:19:38,208 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-13 22:19:38,208 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5cad805e-20eb-4dec-8305-67530291aee2/bin/uautomizer-uyxdKDjOR8/config/svcomp-Termination-32bit-Automizer_Default.epf [2022-12-13 22:19:38,224 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-13 22:19:38,225 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-13 22:19:38,225 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-13 22:19:38,225 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-13 22:19:38,226 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-13 22:19:38,226 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-13 22:19:38,226 INFO L138 SettingsManager]: * Use SBE=true [2022-12-13 22:19:38,226 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2022-12-13 22:19:38,226 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2022-12-13 22:19:38,226 INFO L138 SettingsManager]: * Use old map elimination=false [2022-12-13 22:19:38,226 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2022-12-13 22:19:38,227 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2022-12-13 22:19:38,227 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2022-12-13 22:19:38,227 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-13 22:19:38,227 INFO L138 SettingsManager]: * sizeof long=4 [2022-12-13 22:19:38,227 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-12-13 22:19:38,227 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-13 22:19:38,227 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-12-13 22:19:38,227 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-13 22:19:38,227 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2022-12-13 22:19:38,228 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2022-12-13 22:19:38,228 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2022-12-13 22:19:38,228 INFO L138 SettingsManager]: * sizeof long double=12 [2022-12-13 22:19:38,228 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-13 22:19:38,228 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2022-12-13 22:19:38,228 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-13 22:19:38,228 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2022-12-13 22:19:38,228 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-13 22:19:38,229 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-12-13 22:19:38,229 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-13 22:19:38,229 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-12-13 22:19:38,229 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2022-12-13 22:19:38,230 INFO L138 SettingsManager]: * TransformationType=MODULO_NEIGHBOR 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_5cad805e-20eb-4dec-8305-67530291aee2/bin/uautomizer-uyxdKDjOR8/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5cad805e-20eb-4dec-8305-67530291aee2/bin/uautomizer-uyxdKDjOR8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 431bc26901e3cf271c74e4f10a5bc241d4509dbbafd99aaf0126c46ffc8b7c33 [2022-12-13 22:19:38,389 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-13 22:19:38,409 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-13 22:19:38,412 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-13 22:19:38,413 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-13 22:19:38,413 INFO L275 PluginConnector]: CDTParser initialized [2022-12-13 22:19:38,415 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5cad805e-20eb-4dec-8305-67530291aee2/bin/uautomizer-uyxdKDjOR8/../../sv-benchmarks/c/reducercommutativity/avg10-2.i [2022-12-13 22:19:40,994 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-13 22:19:41,132 INFO L351 CDTParser]: Found 1 translation units. [2022-12-13 22:19:41,132 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5cad805e-20eb-4dec-8305-67530291aee2/sv-benchmarks/c/reducercommutativity/avg10-2.i [2022-12-13 22:19:41,136 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5cad805e-20eb-4dec-8305-67530291aee2/bin/uautomizer-uyxdKDjOR8/data/dd1d938dc/9237d25b54fb4f88907da2de857f22f4/FLAG8efb80ebb [2022-12-13 22:19:41,147 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5cad805e-20eb-4dec-8305-67530291aee2/bin/uautomizer-uyxdKDjOR8/data/dd1d938dc/9237d25b54fb4f88907da2de857f22f4 [2022-12-13 22:19:41,149 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-13 22:19:41,150 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-13 22:19:41,151 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-13 22:19:41,151 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-13 22:19:41,154 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-13 22:19:41,154 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 10:19:41" (1/1) ... [2022-12-13 22:19:41,155 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@330c354c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 10:19:41, skipping insertion in model container [2022-12-13 22:19:41,155 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 10:19:41" (1/1) ... [2022-12-13 22:19:41,161 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-13 22:19:41,172 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-13 22:19:41,282 WARN L237 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_5cad805e-20eb-4dec-8305-67530291aee2/sv-benchmarks/c/reducercommutativity/avg10-2.i[1282,1295] [2022-12-13 22:19:41,283 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 22:19:41,291 INFO L203 MainTranslator]: Completed pre-run [2022-12-13 22:19:41,307 WARN L237 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_5cad805e-20eb-4dec-8305-67530291aee2/sv-benchmarks/c/reducercommutativity/avg10-2.i[1282,1295] [2022-12-13 22:19:41,308 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 22:19:41,319 INFO L208 MainTranslator]: Completed translation [2022-12-13 22:19:41,319 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 10:19:41 WrapperNode [2022-12-13 22:19:41,319 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-13 22:19:41,320 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-13 22:19:41,320 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-13 22:19:41,320 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-13 22:19:41,325 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 10:19:41" (1/1) ... [2022-12-13 22:19:41,331 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 10:19:41" (1/1) ... [2022-12-13 22:19:41,347 INFO L138 Inliner]: procedures = 16, calls = 22, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 114 [2022-12-13 22:19:41,348 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-13 22:19:41,348 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-13 22:19:41,349 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-13 22:19:41,349 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-13 22:19:41,358 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 10:19:41" (1/1) ... [2022-12-13 22:19:41,358 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 10:19:41" (1/1) ... [2022-12-13 22:19:41,360 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 10:19:41" (1/1) ... [2022-12-13 22:19:41,361 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 10:19:41" (1/1) ... [2022-12-13 22:19:41,365 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 10:19:41" (1/1) ... [2022-12-13 22:19:41,368 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 10:19:41" (1/1) ... [2022-12-13 22:19:41,369 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 10:19:41" (1/1) ... [2022-12-13 22:19:41,370 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 10:19:41" (1/1) ... [2022-12-13 22:19:41,372 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-13 22:19:41,373 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-13 22:19:41,374 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-13 22:19:41,374 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-13 22:19:41,374 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 10:19:41" (1/1) ... [2022-12-13 22:19:41,381 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 22:19:41,389 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5cad805e-20eb-4dec-8305-67530291aee2/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 22:19:41,400 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5cad805e-20eb-4dec-8305-67530291aee2/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 22:19:41,402 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5cad805e-20eb-4dec-8305-67530291aee2/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2022-12-13 22:19:41,430 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-13 22:19:41,431 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-13 22:19:41,431 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-12-13 22:19:41,431 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-12-13 22:19:41,431 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-13 22:19:41,431 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-13 22:19:41,431 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-12-13 22:19:41,431 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-13 22:19:41,493 INFO L235 CfgBuilder]: Building ICFG [2022-12-13 22:19:41,494 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-13 22:19:41,640 INFO L276 CfgBuilder]: Performing block encoding [2022-12-13 22:19:41,647 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-13 22:19:41,647 INFO L300 CfgBuilder]: Removed 5 assume(true) statements. [2022-12-13 22:19:41,649 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 10:19:41 BoogieIcfgContainer [2022-12-13 22:19:41,649 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-13 22:19:41,650 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2022-12-13 22:19:41,650 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2022-12-13 22:19:41,654 INFO L275 PluginConnector]: BuchiAutomizer initialized [2022-12-13 22:19:41,654 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-12-13 22:19:41,655 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 13.12 10:19:41" (1/3) ... [2022-12-13 22:19:41,656 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@25acfa2d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 13.12 10:19:41, skipping insertion in model container [2022-12-13 22:19:41,656 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-12-13 22:19:41,656 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 10:19:41" (2/3) ... [2022-12-13 22:19:41,656 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@25acfa2d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 13.12 10:19:41, skipping insertion in model container [2022-12-13 22:19:41,656 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-12-13 22:19:41,657 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 10:19:41" (3/3) ... [2022-12-13 22:19:41,658 INFO L332 chiAutomizerObserver]: Analyzing ICFG avg10-2.i [2022-12-13 22:19:41,702 INFO L303 stractBuchiCegarLoop]: Interprodecural is true [2022-12-13 22:19:41,702 INFO L304 stractBuchiCegarLoop]: Hoare is false [2022-12-13 22:19:41,702 INFO L305 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2022-12-13 22:19:41,703 INFO L306 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2022-12-13 22:19:41,703 INFO L307 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2022-12-13 22:19:41,703 INFO L308 stractBuchiCegarLoop]: Difference is false [2022-12-13 22:19:41,703 INFO L309 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2022-12-13 22:19:41,703 INFO L313 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2022-12-13 22:19:41,706 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 25 states, 24 states have (on average 1.4583333333333333) internal successors, (35), 24 states have internal predecessors, (35), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 22:19:41,720 INFO L131 ngComponentsAnalysis]: Automaton has 5 accepting balls. 10 [2022-12-13 22:19:41,720 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-12-13 22:19:41,720 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-12-13 22:19:41,724 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2022-12-13 22:19:41,724 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2022-12-13 22:19:41,724 INFO L335 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2022-12-13 22:19:41,724 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 25 states, 24 states have (on average 1.4583333333333333) internal successors, (35), 24 states have internal predecessors, (35), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 22:19:41,726 INFO L131 ngComponentsAnalysis]: Automaton has 5 accepting balls. 10 [2022-12-13 22:19:41,726 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-12-13 22:19:41,726 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-12-13 22:19:41,726 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2022-12-13 22:19:41,726 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2022-12-13 22:19:41,732 INFO L748 eck$LassoCheckResult]: Stem: 22#$Ultimate##0true assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(10, 2); 7#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet4#1, main_#t~post3#1, main_~i~1#1, main_#t~ret5#1, main_#t~mem6#1, main_#t~mem7#1, main_#t~ret8#1, main_#t~mem9#1, main_#t~mem11#1, main_#t~post10#1, main_~i~2#1, main_#t~ret12#1, main_~#x~0#1.base, main_~#x~0#1.offset, main_~temp~0#1, main_~ret~1#1, main_~ret2~0#1, main_~ret5~0#1;call main_~#x~0#1.base, main_~#x~0#1.offset := #Ultimate.allocOnStack(40);havoc main_~temp~0#1;havoc main_~ret~1#1;havoc main_~ret2~0#1;havoc main_~ret5~0#1;main_~i~1#1 := 0; 13#L34-3true [2022-12-13 22:19:41,732 INFO L750 eck$LassoCheckResult]: Loop: 13#L34-3true assume !!(main_~i~1#1 < 10);call write~int(main_#t~nondet4#1, main_~#x~0#1.base, main_~#x~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet4#1; 10#L34-2true main_#t~post3#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post3#1;havoc main_#t~post3#1; 13#L34-3true [2022-12-13 22:19:41,738 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 22:19:41,738 INFO L85 PathProgramCache]: Analyzing trace with hash 963, now seen corresponding path program 1 times [2022-12-13 22:19:41,747 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 22:19:41,748 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1795522640] [2022-12-13 22:19:41,748 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 22:19:41,749 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 22:19:41,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 22:19:41,832 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-13 22:19:41,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 22:19:41,857 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-12-13 22:19:41,859 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 22:19:41,859 INFO L85 PathProgramCache]: Analyzing trace with hash 1283, now seen corresponding path program 1 times [2022-12-13 22:19:41,859 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 22:19:41,860 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1886673546] [2022-12-13 22:19:41,860 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 22:19:41,860 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 22:19:41,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 22:19:41,878 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-13 22:19:41,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 22:19:41,886 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-12-13 22:19:41,888 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 22:19:41,888 INFO L85 PathProgramCache]: Analyzing trace with hash 925765, now seen corresponding path program 1 times [2022-12-13 22:19:41,888 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 22:19:41,888 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [883179966] [2022-12-13 22:19:41,888 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 22:19:41,889 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 22:19:41,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 22:19:41,910 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-13 22:19:41,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 22:19:41,921 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-12-13 22:19:42,154 INFO L210 LassoAnalysis]: Preferences: [2022-12-13 22:19:42,155 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-12-13 22:19:42,155 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-12-13 22:19:42,155 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-12-13 22:19:42,155 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-12-13 22:19:42,155 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 22:19:42,155 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-12-13 22:19:42,156 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-12-13 22:19:42,156 INFO L133 ssoRankerPreferences]: Filename of dumped script: avg10-2.i_Iteration1_Lasso [2022-12-13 22:19:42,156 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-12-13 22:19:42,156 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-12-13 22:19:42,175 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 22:19:42,184 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 22:19:42,187 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 22:19:42,190 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 22:19:42,192 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 22:19:42,194 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 22:19:42,196 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 22:19:42,198 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 22:19:42,200 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 22:19:42,203 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 22:19:42,357 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 22:19:42,359 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 22:19:42,361 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 22:19:42,362 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 22:19:42,364 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 22:19:42,366 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 22:19:42,368 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 22:19:42,369 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 22:19:42,526 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-12-13 22:19:42,529 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-12-13 22:19:42,530 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 22:19:42,530 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5cad805e-20eb-4dec-8305-67530291aee2/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 22:19:42,531 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5cad805e-20eb-4dec-8305-67530291aee2/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 22:19:42,533 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5cad805e-20eb-4dec-8305-67530291aee2/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2022-12-13 22:19:42,534 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-12-13 22:19:42,544 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-12-13 22:19:42,545 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-12-13 22:19:42,545 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-12-13 22:19:42,545 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-12-13 22:19:42,545 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-12-13 22:19:42,547 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-12-13 22:19:42,548 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-12-13 22:19:42,550 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-12-13 22:19:42,553 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5cad805e-20eb-4dec-8305-67530291aee2/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Forceful destruction successful, exit code 0 [2022-12-13 22:19:42,554 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 22:19:42,554 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5cad805e-20eb-4dec-8305-67530291aee2/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 22:19:42,555 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5cad805e-20eb-4dec-8305-67530291aee2/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 22:19:42,556 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5cad805e-20eb-4dec-8305-67530291aee2/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2022-12-13 22:19:42,557 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-12-13 22:19:42,567 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-12-13 22:19:42,567 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-12-13 22:19:42,567 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-12-13 22:19:42,567 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-12-13 22:19:42,567 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-12-13 22:19:42,568 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-12-13 22:19:42,568 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-12-13 22:19:42,569 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-12-13 22:19:42,572 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5cad805e-20eb-4dec-8305-67530291aee2/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Ended with exit code 0 [2022-12-13 22:19:42,572 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 22:19:42,572 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5cad805e-20eb-4dec-8305-67530291aee2/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 22:19:42,573 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5cad805e-20eb-4dec-8305-67530291aee2/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 22:19:42,574 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5cad805e-20eb-4dec-8305-67530291aee2/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2022-12-13 22:19:42,575 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-12-13 22:19:42,585 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-12-13 22:19:42,586 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-12-13 22:19:42,586 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-12-13 22:19:42,586 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-12-13 22:19:42,589 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-12-13 22:19:42,589 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-12-13 22:19:42,593 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-12-13 22:19:42,596 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5cad805e-20eb-4dec-8305-67530291aee2/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Ended with exit code 0 [2022-12-13 22:19:42,596 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 22:19:42,596 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5cad805e-20eb-4dec-8305-67530291aee2/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 22:19:42,597 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5cad805e-20eb-4dec-8305-67530291aee2/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 22:19:42,598 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5cad805e-20eb-4dec-8305-67530291aee2/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2022-12-13 22:19:42,599 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-12-13 22:19:42,610 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-12-13 22:19:42,610 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-12-13 22:19:42,610 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-12-13 22:19:42,610 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-12-13 22:19:42,610 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-12-13 22:19:42,611 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-12-13 22:19:42,611 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-12-13 22:19:42,612 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-12-13 22:19:42,615 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5cad805e-20eb-4dec-8305-67530291aee2/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Ended with exit code 0 [2022-12-13 22:19:42,615 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 22:19:42,615 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5cad805e-20eb-4dec-8305-67530291aee2/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 22:19:42,616 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5cad805e-20eb-4dec-8305-67530291aee2/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 22:19:42,617 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5cad805e-20eb-4dec-8305-67530291aee2/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2022-12-13 22:19:42,618 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-12-13 22:19:42,628 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-12-13 22:19:42,628 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-12-13 22:19:42,628 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-12-13 22:19:42,628 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-12-13 22:19:42,629 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-12-13 22:19:42,629 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-12-13 22:19:42,629 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-12-13 22:19:42,631 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-12-13 22:19:42,633 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5cad805e-20eb-4dec-8305-67530291aee2/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Forceful destruction successful, exit code 0 [2022-12-13 22:19:42,634 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 22:19:42,634 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5cad805e-20eb-4dec-8305-67530291aee2/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 22:19:42,635 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5cad805e-20eb-4dec-8305-67530291aee2/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 22:19:42,635 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5cad805e-20eb-4dec-8305-67530291aee2/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2022-12-13 22:19:42,637 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-12-13 22:19:42,647 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-12-13 22:19:42,647 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-12-13 22:19:42,647 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-12-13 22:19:42,647 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-12-13 22:19:42,647 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-12-13 22:19:42,648 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-12-13 22:19:42,648 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-12-13 22:19:42,649 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-12-13 22:19:42,652 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5cad805e-20eb-4dec-8305-67530291aee2/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Ended with exit code 0 [2022-12-13 22:19:42,652 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 22:19:42,652 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5cad805e-20eb-4dec-8305-67530291aee2/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 22:19:42,653 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5cad805e-20eb-4dec-8305-67530291aee2/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 22:19:42,654 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5cad805e-20eb-4dec-8305-67530291aee2/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2022-12-13 22:19:42,655 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-12-13 22:19:42,665 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-12-13 22:19:42,665 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-12-13 22:19:42,665 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-12-13 22:19:42,665 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-12-13 22:19:42,665 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-12-13 22:19:42,666 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-12-13 22:19:42,666 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-12-13 22:19:42,667 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-12-13 22:19:42,670 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5cad805e-20eb-4dec-8305-67530291aee2/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Ended with exit code 0 [2022-12-13 22:19:42,670 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 22:19:42,670 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5cad805e-20eb-4dec-8305-67530291aee2/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 22:19:42,671 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5cad805e-20eb-4dec-8305-67530291aee2/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 22:19:42,672 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5cad805e-20eb-4dec-8305-67530291aee2/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2022-12-13 22:19:42,673 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-12-13 22:19:42,685 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-12-13 22:19:42,685 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-12-13 22:19:42,686 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-12-13 22:19:42,686 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-12-13 22:19:42,686 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-12-13 22:19:42,686 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-12-13 22:19:42,686 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-12-13 22:19:42,688 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-12-13 22:19:42,691 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5cad805e-20eb-4dec-8305-67530291aee2/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Forceful destruction successful, exit code 0 [2022-12-13 22:19:42,691 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 22:19:42,691 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5cad805e-20eb-4dec-8305-67530291aee2/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 22:19:42,692 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5cad805e-20eb-4dec-8305-67530291aee2/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 22:19:42,693 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5cad805e-20eb-4dec-8305-67530291aee2/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Waiting until timeout for monitored process [2022-12-13 22:19:42,694 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-12-13 22:19:42,704 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-12-13 22:19:42,704 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-12-13 22:19:42,704 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-12-13 22:19:42,704 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-12-13 22:19:42,706 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-12-13 22:19:42,707 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-12-13 22:19:42,710 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-12-13 22:19:42,713 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5cad805e-20eb-4dec-8305-67530291aee2/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Forceful destruction successful, exit code 0 [2022-12-13 22:19:42,713 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 22:19:42,713 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5cad805e-20eb-4dec-8305-67530291aee2/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 22:19:42,714 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5cad805e-20eb-4dec-8305-67530291aee2/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 22:19:42,715 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5cad805e-20eb-4dec-8305-67530291aee2/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Waiting until timeout for monitored process [2022-12-13 22:19:42,717 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-12-13 22:19:42,727 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-12-13 22:19:42,727 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-12-13 22:19:42,727 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-12-13 22:19:42,727 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-12-13 22:19:42,729 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-12-13 22:19:42,729 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-12-13 22:19:42,734 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-12-13 22:19:42,737 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5cad805e-20eb-4dec-8305-67530291aee2/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Ended with exit code 0 [2022-12-13 22:19:42,738 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 22:19:42,738 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5cad805e-20eb-4dec-8305-67530291aee2/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 22:19:42,739 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5cad805e-20eb-4dec-8305-67530291aee2/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 22:19:42,739 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5cad805e-20eb-4dec-8305-67530291aee2/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Waiting until timeout for monitored process [2022-12-13 22:19:42,741 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-12-13 22:19:42,751 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-12-13 22:19:42,751 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-12-13 22:19:42,751 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-12-13 22:19:42,751 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-12-13 22:19:42,754 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-12-13 22:19:42,754 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-12-13 22:19:42,757 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-12-13 22:19:42,760 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5cad805e-20eb-4dec-8305-67530291aee2/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Ended with exit code 0 [2022-12-13 22:19:42,760 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 22:19:42,760 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5cad805e-20eb-4dec-8305-67530291aee2/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 22:19:42,761 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5cad805e-20eb-4dec-8305-67530291aee2/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 22:19:42,762 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5cad805e-20eb-4dec-8305-67530291aee2/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Waiting until timeout for monitored process [2022-12-13 22:19:42,763 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-12-13 22:19:42,773 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-12-13 22:19:42,774 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-12-13 22:19:42,774 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-12-13 22:19:42,774 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-12-13 22:19:42,778 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-12-13 22:19:42,778 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-12-13 22:19:42,786 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2022-12-13 22:19:42,809 INFO L443 ModelExtractionUtils]: Simplification made 12 calls to the SMT solver. [2022-12-13 22:19:42,810 INFO L444 ModelExtractionUtils]: 0 out of 13 variables were initially zero. Simplification set additionally 10 variables to zero. [2022-12-13 22:19:42,811 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 22:19:42,811 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5cad805e-20eb-4dec-8305-67530291aee2/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 22:19:42,848 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5cad805e-20eb-4dec-8305-67530291aee2/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 22:19:42,849 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5cad805e-20eb-4dec-8305-67530291aee2/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Waiting until timeout for monitored process [2022-12-13 22:19:42,850 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2022-12-13 22:19:42,862 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2022-12-13 22:19:42,862 INFO L513 LassoAnalysis]: Proved termination. [2022-12-13 22:19:42,862 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select #length ULTIMATE.start_main_~#x~0#1.base)_1, ULTIMATE.start_main_~i~1#1) = 19*v_rep(select #length ULTIMATE.start_main_~#x~0#1.base)_1 - 8*ULTIMATE.start_main_~i~1#1 Supporting invariants [] [2022-12-13 22:19:42,865 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5cad805e-20eb-4dec-8305-67530291aee2/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Ended with exit code 0 [2022-12-13 22:19:42,880 INFO L156 tatePredicateManager]: 5 out of 5 supporting invariants were superfluous and have been removed [2022-12-13 22:19:42,900 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 22:19:42,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:19:42,914 INFO L263 TraceCheckSpWp]: Trace formula consists of 35 conjuncts, 2 conjunts are in the unsatisfiable core [2022-12-13 22:19:42,915 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 22:19:42,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:19:42,928 INFO L263 TraceCheckSpWp]: Trace formula consists of 13 conjuncts, 6 conjunts are in the unsatisfiable core [2022-12-13 22:19:42,929 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 22:19:42,958 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 22:19:42,985 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2022-12-13 22:19:42,988 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand has 25 states, 24 states have (on average 1.4583333333333333) internal successors, (35), 24 states have internal predecessors, (35), 0 states have call successors, (0), 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 3 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 22:19:43,037 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5cad805e-20eb-4dec-8305-67530291aee2/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Ended with exit code 0 [2022-12-13 22:19:43,064 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand has 25 states, 24 states have (on average 1.4583333333333333) internal successors, (35), 24 states have internal predecessors, (35), 0 states have call successors, (0), 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 3 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 66 states and 92 transitions. Complement of second has 8 states. [2022-12-13 22:19:43,066 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2022-12-13 22:19:43,069 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 22:19:43,069 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 61 transitions. [2022-12-13 22:19:43,070 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 61 transitions. Stem has 2 letters. Loop has 2 letters. [2022-12-13 22:19:43,070 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-12-13 22:19:43,070 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 61 transitions. Stem has 4 letters. Loop has 2 letters. [2022-12-13 22:19:43,071 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-12-13 22:19:43,071 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 61 transitions. Stem has 2 letters. Loop has 4 letters. [2022-12-13 22:19:43,071 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-12-13 22:19:43,071 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 66 states and 92 transitions. [2022-12-13 22:19:43,074 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 8 [2022-12-13 22:19:43,076 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 66 states to 19 states and 24 transitions. [2022-12-13 22:19:43,077 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 16 [2022-12-13 22:19:43,077 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 17 [2022-12-13 22:19:43,078 INFO L73 IsDeterministic]: Start isDeterministic. Operand 19 states and 24 transitions. [2022-12-13 22:19:43,078 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-12-13 22:19:43,078 INFO L218 hiAutomatonCegarLoop]: Abstraction has 19 states and 24 transitions. [2022-12-13 22:19:43,089 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19 states and 24 transitions. [2022-12-13 22:19:43,095 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19 to 19. [2022-12-13 22:19:43,095 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19 states, 19 states have (on average 1.263157894736842) internal successors, (24), 18 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) [2022-12-13 22:19:43,095 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 24 transitions. [2022-12-13 22:19:43,096 INFO L240 hiAutomatonCegarLoop]: Abstraction has 19 states and 24 transitions. [2022-12-13 22:19:43,096 INFO L428 stractBuchiCegarLoop]: Abstraction has 19 states and 24 transitions. [2022-12-13 22:19:43,096 INFO L335 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2022-12-13 22:19:43,096 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 19 states and 24 transitions. [2022-12-13 22:19:43,097 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 8 [2022-12-13 22:19:43,097 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-12-13 22:19:43,097 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-12-13 22:19:43,097 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2022-12-13 22:19:43,097 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2022-12-13 22:19:43,097 INFO L748 eck$LassoCheckResult]: Stem: 168#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(10, 2); 160#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet4#1, main_#t~post3#1, main_~i~1#1, main_#t~ret5#1, main_#t~mem6#1, main_#t~mem7#1, main_#t~ret8#1, main_#t~mem9#1, main_#t~mem11#1, main_#t~post10#1, main_~i~2#1, main_#t~ret12#1, main_~#x~0#1.base, main_~#x~0#1.offset, main_~temp~0#1, main_~ret~1#1, main_~ret2~0#1, main_~ret5~0#1;call main_~#x~0#1.base, main_~#x~0#1.offset := #Ultimate.allocOnStack(40);havoc main_~temp~0#1;havoc main_~ret~1#1;havoc main_~ret2~0#1;havoc main_~ret5~0#1;main_~i~1#1 := 0; 161#L34-3 assume !(main_~i~1#1 < 10); 152#L34-4 assume { :begin_inline_avg } true;avg_#in~x#1.base, avg_#in~x#1.offset := main_~#x~0#1.base, main_~#x~0#1.offset;havoc avg_#res#1;havoc avg_#t~mem2#1, avg_#t~post1#1, avg_~x#1.base, avg_~x#1.offset, avg_~i~0#1, avg_~ret~0#1;avg_~x#1.base, avg_~x#1.offset := avg_#in~x#1.base, avg_#in~x#1.offset;havoc avg_~i~0#1;havoc avg_~ret~0#1;avg_~ret~0#1 := 0;avg_~i~0#1 := 0; 153#L20-3 [2022-12-13 22:19:43,097 INFO L750 eck$LassoCheckResult]: Loop: 153#L20-3 assume !!(avg_~i~0#1 < 10);call avg_#t~mem2#1 := read~int(avg_~x#1.base, avg_~x#1.offset + 4 * avg_~i~0#1, 4);avg_~ret~0#1 := avg_~ret~0#1 + avg_#t~mem2#1;havoc avg_#t~mem2#1; 167#L20-2 avg_#t~post1#1 := avg_~i~0#1;avg_~i~0#1 := 1 + avg_#t~post1#1;havoc avg_#t~post1#1; 153#L20-3 [2022-12-13 22:19:43,098 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 22:19:43,098 INFO L85 PathProgramCache]: Analyzing trace with hash 925707, now seen corresponding path program 1 times [2022-12-13 22:19:43,098 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 22:19:43,098 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [971681523] [2022-12-13 22:19:43,098 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 22:19:43,098 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 22:19:43,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:19:43,138 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 22:19:43,138 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 22:19:43,138 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [971681523] [2022-12-13 22:19:43,139 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [971681523] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 22:19:43,139 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 22:19:43,139 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-13 22:19:43,139 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [389081625] [2022-12-13 22:19:43,140 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 22:19:43,141 INFO L753 eck$LassoCheckResult]: stem already infeasible [2022-12-13 22:19:43,141 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 22:19:43,141 INFO L85 PathProgramCache]: Analyzing trace with hash 1731, now seen corresponding path program 1 times [2022-12-13 22:19:43,142 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 22:19:43,142 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1232039323] [2022-12-13 22:19:43,142 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 22:19:43,142 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 22:19:43,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 22:19:43,146 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-13 22:19:43,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 22:19:43,149 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-12-13 22:19:43,182 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 22:19:43,184 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 22:19:43,184 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 22:19:43,185 INFO L87 Difference]: Start difference. First operand 19 states and 24 transitions. cyclomatic complexity: 10 Second operand has 3 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 22:19:43,194 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 22:19:43,195 INFO L93 Difference]: Finished difference Result 20 states and 24 transitions. [2022-12-13 22:19:43,195 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 20 states and 24 transitions. [2022-12-13 22:19:43,195 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 8 [2022-12-13 22:19:43,196 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 20 states to 20 states and 24 transitions. [2022-12-13 22:19:43,196 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 17 [2022-12-13 22:19:43,196 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 17 [2022-12-13 22:19:43,196 INFO L73 IsDeterministic]: Start isDeterministic. Operand 20 states and 24 transitions. [2022-12-13 22:19:43,196 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-12-13 22:19:43,196 INFO L218 hiAutomatonCegarLoop]: Abstraction has 20 states and 24 transitions. [2022-12-13 22:19:43,196 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20 states and 24 transitions. [2022-12-13 22:19:43,197 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20 to 19. [2022-12-13 22:19:43,197 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19 states, 19 states have (on average 1.2105263157894737) internal successors, (23), 18 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 22:19:43,197 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 23 transitions. [2022-12-13 22:19:43,197 INFO L240 hiAutomatonCegarLoop]: Abstraction has 19 states and 23 transitions. [2022-12-13 22:19:43,198 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 22:19:43,198 INFO L428 stractBuchiCegarLoop]: Abstraction has 19 states and 23 transitions. [2022-12-13 22:19:43,198 INFO L335 stractBuchiCegarLoop]: ======== Iteration 3 ============ [2022-12-13 22:19:43,198 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 19 states and 23 transitions. [2022-12-13 22:19:43,199 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 8 [2022-12-13 22:19:43,199 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-12-13 22:19:43,199 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-12-13 22:19:43,199 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2022-12-13 22:19:43,199 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2022-12-13 22:19:43,199 INFO L748 eck$LassoCheckResult]: Stem: 213#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(10, 2); 205#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet4#1, main_#t~post3#1, main_~i~1#1, main_#t~ret5#1, main_#t~mem6#1, main_#t~mem7#1, main_#t~ret8#1, main_#t~mem9#1, main_#t~mem11#1, main_#t~post10#1, main_~i~2#1, main_#t~ret12#1, main_~#x~0#1.base, main_~#x~0#1.offset, main_~temp~0#1, main_~ret~1#1, main_~ret2~0#1, main_~ret5~0#1;call main_~#x~0#1.base, main_~#x~0#1.offset := #Ultimate.allocOnStack(40);havoc main_~temp~0#1;havoc main_~ret~1#1;havoc main_~ret2~0#1;havoc main_~ret5~0#1;main_~i~1#1 := 0; 206#L34-3 assume !!(main_~i~1#1 < 10);call write~int(main_#t~nondet4#1, main_~#x~0#1.base, main_~#x~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet4#1; 209#L34-2 main_#t~post3#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post3#1;havoc main_#t~post3#1; 210#L34-3 assume !(main_~i~1#1 < 10); 197#L34-4 assume { :begin_inline_avg } true;avg_#in~x#1.base, avg_#in~x#1.offset := main_~#x~0#1.base, main_~#x~0#1.offset;havoc avg_#res#1;havoc avg_#t~mem2#1, avg_#t~post1#1, avg_~x#1.base, avg_~x#1.offset, avg_~i~0#1, avg_~ret~0#1;avg_~x#1.base, avg_~x#1.offset := avg_#in~x#1.base, avg_#in~x#1.offset;havoc avg_~i~0#1;havoc avg_~ret~0#1;avg_~ret~0#1 := 0;avg_~i~0#1 := 0; 198#L20-3 [2022-12-13 22:19:43,199 INFO L750 eck$LassoCheckResult]: Loop: 198#L20-3 assume !!(avg_~i~0#1 < 10);call avg_#t~mem2#1 := read~int(avg_~x#1.base, avg_~x#1.offset + 4 * avg_~i~0#1, 4);avg_~ret~0#1 := avg_~ret~0#1 + avg_#t~mem2#1;havoc avg_#t~mem2#1; 212#L20-2 avg_#t~post1#1 := avg_~i~0#1;avg_~i~0#1 := 1 + avg_#t~post1#1;havoc avg_#t~post1#1; 198#L20-3 [2022-12-13 22:19:43,199 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 22:19:43,199 INFO L85 PathProgramCache]: Analyzing trace with hash 889660429, now seen corresponding path program 1 times [2022-12-13 22:19:43,200 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 22:19:43,200 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [473219528] [2022-12-13 22:19:43,200 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 22:19:43,200 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 22:19:43,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:19:43,237 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 22:19:43,237 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 22:19:43,237 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [473219528] [2022-12-13 22:19:43,237 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [473219528] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-13 22:19:43,237 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2058156222] [2022-12-13 22:19:43,237 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 22:19:43,238 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 22:19:43,238 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5cad805e-20eb-4dec-8305-67530291aee2/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 22:19:43,239 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5cad805e-20eb-4dec-8305-67530291aee2/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-13 22:19:43,239 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5cad805e-20eb-4dec-8305-67530291aee2/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process [2022-12-13 22:19:43,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:19:43,273 INFO L263 TraceCheckSpWp]: Trace formula consists of 59 conjuncts, 3 conjunts are in the unsatisfiable core [2022-12-13 22:19:43,273 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 22:19:43,283 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 22:19:43,283 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-13 22:19:43,297 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 22:19:43,297 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2058156222] provided 0 perfect and 2 imperfect interpolant sequences [2022-12-13 22:19:43,297 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-12-13 22:19:43,297 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 7 [2022-12-13 22:19:43,298 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1002805064] [2022-12-13 22:19:43,298 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-12-13 22:19:43,298 INFO L753 eck$LassoCheckResult]: stem already infeasible [2022-12-13 22:19:43,298 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 22:19:43,298 INFO L85 PathProgramCache]: Analyzing trace with hash 1731, now seen corresponding path program 2 times [2022-12-13 22:19:43,298 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 22:19:43,299 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [811950309] [2022-12-13 22:19:43,299 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 22:19:43,299 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 22:19:43,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 22:19:43,302 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-13 22:19:43,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 22:19:43,305 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-12-13 22:19:43,338 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 22:19:43,339 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-12-13 22:19:43,339 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2022-12-13 22:19:43,339 INFO L87 Difference]: Start difference. First operand 19 states and 23 transitions. cyclomatic complexity: 9 Second operand has 7 states, 7 states have (on average 1.8571428571428572) internal successors, (13), 7 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 22:19:43,358 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 22:19:43,358 INFO L93 Difference]: Finished difference Result 25 states and 29 transitions. [2022-12-13 22:19:43,358 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 25 states and 29 transitions. [2022-12-13 22:19:43,359 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 8 [2022-12-13 22:19:43,359 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 25 states to 25 states and 29 transitions. [2022-12-13 22:19:43,359 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 17 [2022-12-13 22:19:43,359 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 17 [2022-12-13 22:19:43,359 INFO L73 IsDeterministic]: Start isDeterministic. Operand 25 states and 29 transitions. [2022-12-13 22:19:43,360 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-12-13 22:19:43,360 INFO L218 hiAutomatonCegarLoop]: Abstraction has 25 states and 29 transitions. [2022-12-13 22:19:43,360 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25 states and 29 transitions. [2022-12-13 22:19:43,361 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25 to 25. [2022-12-13 22:19:43,361 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 25 states, 25 states have (on average 1.16) internal successors, (29), 24 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) [2022-12-13 22:19:43,362 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 25 states and 29 transitions. [2022-12-13 22:19:43,362 INFO L240 hiAutomatonCegarLoop]: Abstraction has 25 states and 29 transitions. [2022-12-13 22:19:43,362 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-12-13 22:19:43,363 INFO L428 stractBuchiCegarLoop]: Abstraction has 25 states and 29 transitions. [2022-12-13 22:19:43,363 INFO L335 stractBuchiCegarLoop]: ======== Iteration 4 ============ [2022-12-13 22:19:43,363 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 25 states and 29 transitions. [2022-12-13 22:19:43,364 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 8 [2022-12-13 22:19:43,364 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-12-13 22:19:43,364 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-12-13 22:19:43,364 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [4, 4, 1, 1, 1, 1] [2022-12-13 22:19:43,364 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2022-12-13 22:19:43,364 INFO L748 eck$LassoCheckResult]: Stem: 297#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(10, 2); 289#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet4#1, main_#t~post3#1, main_~i~1#1, main_#t~ret5#1, main_#t~mem6#1, main_#t~mem7#1, main_#t~ret8#1, main_#t~mem9#1, main_#t~mem11#1, main_#t~post10#1, main_~i~2#1, main_#t~ret12#1, main_~#x~0#1.base, main_~#x~0#1.offset, main_~temp~0#1, main_~ret~1#1, main_~ret2~0#1, main_~ret5~0#1;call main_~#x~0#1.base, main_~#x~0#1.offset := #Ultimate.allocOnStack(40);havoc main_~temp~0#1;havoc main_~ret~1#1;havoc main_~ret2~0#1;havoc main_~ret5~0#1;main_~i~1#1 := 0; 290#L34-3 assume !!(main_~i~1#1 < 10);call write~int(main_#t~nondet4#1, main_~#x~0#1.base, main_~#x~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet4#1; 293#L34-2 main_#t~post3#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post3#1;havoc main_#t~post3#1; 294#L34-3 assume !!(main_~i~1#1 < 10);call write~int(main_#t~nondet4#1, main_~#x~0#1.base, main_~#x~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet4#1; 298#L34-2 main_#t~post3#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post3#1;havoc main_#t~post3#1; 303#L34-3 assume !!(main_~i~1#1 < 10);call write~int(main_#t~nondet4#1, main_~#x~0#1.base, main_~#x~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet4#1; 302#L34-2 main_#t~post3#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post3#1;havoc main_#t~post3#1; 301#L34-3 assume !!(main_~i~1#1 < 10);call write~int(main_#t~nondet4#1, main_~#x~0#1.base, main_~#x~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet4#1; 300#L34-2 main_#t~post3#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post3#1;havoc main_#t~post3#1; 299#L34-3 assume !(main_~i~1#1 < 10); 281#L34-4 assume { :begin_inline_avg } true;avg_#in~x#1.base, avg_#in~x#1.offset := main_~#x~0#1.base, main_~#x~0#1.offset;havoc avg_#res#1;havoc avg_#t~mem2#1, avg_#t~post1#1, avg_~x#1.base, avg_~x#1.offset, avg_~i~0#1, avg_~ret~0#1;avg_~x#1.base, avg_~x#1.offset := avg_#in~x#1.base, avg_#in~x#1.offset;havoc avg_~i~0#1;havoc avg_~ret~0#1;avg_~ret~0#1 := 0;avg_~i~0#1 := 0; 282#L20-3 [2022-12-13 22:19:43,364 INFO L750 eck$LassoCheckResult]: Loop: 282#L20-3 assume !!(avg_~i~0#1 < 10);call avg_#t~mem2#1 := read~int(avg_~x#1.base, avg_~x#1.offset + 4 * avg_~i~0#1, 4);avg_~ret~0#1 := avg_~ret~0#1 + avg_#t~mem2#1;havoc avg_#t~mem2#1; 296#L20-2 avg_#t~post1#1 := avg_~i~0#1;avg_~i~0#1 := 1 + avg_#t~post1#1;havoc avg_#t~post1#1; 282#L20-3 [2022-12-13 22:19:43,365 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 22:19:43,365 INFO L85 PathProgramCache]: Analyzing trace with hash 833936659, now seen corresponding path program 2 times [2022-12-13 22:19:43,365 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 22:19:43,365 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1992995764] [2022-12-13 22:19:43,365 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 22:19:43,365 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 22:19:43,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:19:43,444 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 22:19:43,444 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 22:19:43,444 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1992995764] [2022-12-13 22:19:43,445 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1992995764] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-13 22:19:43,445 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [588109057] [2022-12-13 22:19:43,445 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-12-13 22:19:43,445 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 22:19:43,445 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5cad805e-20eb-4dec-8305-67530291aee2/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 22:19:43,446 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5cad805e-20eb-4dec-8305-67530291aee2/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-13 22:19:43,447 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5cad805e-20eb-4dec-8305-67530291aee2/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Waiting until timeout for monitored process [2022-12-13 22:19:43,486 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-12-13 22:19:43,486 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-12-13 22:19:43,487 INFO L263 TraceCheckSpWp]: Trace formula consists of 92 conjuncts, 6 conjunts are in the unsatisfiable core [2022-12-13 22:19:43,488 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 22:19:43,508 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 22:19:43,508 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-13 22:19:43,554 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 22:19:43,555 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [588109057] provided 0 perfect and 2 imperfect interpolant sequences [2022-12-13 22:19:43,555 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-12-13 22:19:43,555 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7, 7] total 13 [2022-12-13 22:19:43,555 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1258574683] [2022-12-13 22:19:43,555 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-12-13 22:19:43,556 INFO L753 eck$LassoCheckResult]: stem already infeasible [2022-12-13 22:19:43,556 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 22:19:43,556 INFO L85 PathProgramCache]: Analyzing trace with hash 1731, now seen corresponding path program 3 times [2022-12-13 22:19:43,556 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 22:19:43,556 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2034039727] [2022-12-13 22:19:43,556 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 22:19:43,557 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 22:19:43,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 22:19:43,561 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-13 22:19:43,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 22:19:43,565 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-12-13 22:19:43,595 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 22:19:43,596 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-12-13 22:19:43,596 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=78, Invalid=78, Unknown=0, NotChecked=0, Total=156 [2022-12-13 22:19:43,596 INFO L87 Difference]: Start difference. First operand 25 states and 29 transitions. cyclomatic complexity: 9 Second operand has 13 states, 13 states have (on average 1.9230769230769231) internal successors, (25), 13 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 22:19:43,632 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 22:19:43,632 INFO L93 Difference]: Finished difference Result 37 states and 41 transitions. [2022-12-13 22:19:43,632 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 37 states and 41 transitions. [2022-12-13 22:19:43,633 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 8 [2022-12-13 22:19:43,634 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 37 states to 37 states and 41 transitions. [2022-12-13 22:19:43,634 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 17 [2022-12-13 22:19:43,634 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 17 [2022-12-13 22:19:43,634 INFO L73 IsDeterministic]: Start isDeterministic. Operand 37 states and 41 transitions. [2022-12-13 22:19:43,634 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-12-13 22:19:43,634 INFO L218 hiAutomatonCegarLoop]: Abstraction has 37 states and 41 transitions. [2022-12-13 22:19:43,634 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 37 states and 41 transitions. [2022-12-13 22:19:43,636 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 37 to 37. [2022-12-13 22:19:43,636 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 37 states, 37 states have (on average 1.1081081081081081) internal successors, (41), 36 states have internal predecessors, (41), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 22:19:43,637 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 37 states and 41 transitions. [2022-12-13 22:19:43,637 INFO L240 hiAutomatonCegarLoop]: Abstraction has 37 states and 41 transitions. [2022-12-13 22:19:43,637 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-12-13 22:19:43,638 INFO L428 stractBuchiCegarLoop]: Abstraction has 37 states and 41 transitions. [2022-12-13 22:19:43,638 INFO L335 stractBuchiCegarLoop]: ======== Iteration 5 ============ [2022-12-13 22:19:43,638 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 37 states and 41 transitions. [2022-12-13 22:19:43,639 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 8 [2022-12-13 22:19:43,639 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-12-13 22:19:43,639 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-12-13 22:19:43,640 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [10, 10, 1, 1, 1, 1] [2022-12-13 22:19:43,640 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2022-12-13 22:19:43,640 INFO L748 eck$LassoCheckResult]: Stem: 441#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(10, 2); 433#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet4#1, main_#t~post3#1, main_~i~1#1, main_#t~ret5#1, main_#t~mem6#1, main_#t~mem7#1, main_#t~ret8#1, main_#t~mem9#1, main_#t~mem11#1, main_#t~post10#1, main_~i~2#1, main_#t~ret12#1, main_~#x~0#1.base, main_~#x~0#1.offset, main_~temp~0#1, main_~ret~1#1, main_~ret2~0#1, main_~ret5~0#1;call main_~#x~0#1.base, main_~#x~0#1.offset := #Ultimate.allocOnStack(40);havoc main_~temp~0#1;havoc main_~ret~1#1;havoc main_~ret2~0#1;havoc main_~ret5~0#1;main_~i~1#1 := 0; 434#L34-3 assume !!(main_~i~1#1 < 10);call write~int(main_#t~nondet4#1, main_~#x~0#1.base, main_~#x~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet4#1; 442#L34-2 main_#t~post3#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post3#1;havoc main_#t~post3#1; 443#L34-3 assume !!(main_~i~1#1 < 10);call write~int(main_#t~nondet4#1, main_~#x~0#1.base, main_~#x~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet4#1; 437#L34-2 main_#t~post3#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post3#1;havoc main_#t~post3#1; 438#L34-3 assume !!(main_~i~1#1 < 10);call write~int(main_#t~nondet4#1, main_~#x~0#1.base, main_~#x~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet4#1; 459#L34-2 main_#t~post3#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post3#1;havoc main_#t~post3#1; 458#L34-3 assume !!(main_~i~1#1 < 10);call write~int(main_#t~nondet4#1, main_~#x~0#1.base, main_~#x~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet4#1; 457#L34-2 main_#t~post3#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post3#1;havoc main_#t~post3#1; 456#L34-3 assume !!(main_~i~1#1 < 10);call write~int(main_#t~nondet4#1, main_~#x~0#1.base, main_~#x~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet4#1; 455#L34-2 main_#t~post3#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post3#1;havoc main_#t~post3#1; 454#L34-3 assume !!(main_~i~1#1 < 10);call write~int(main_#t~nondet4#1, main_~#x~0#1.base, main_~#x~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet4#1; 453#L34-2 main_#t~post3#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post3#1;havoc main_#t~post3#1; 452#L34-3 assume !!(main_~i~1#1 < 10);call write~int(main_#t~nondet4#1, main_~#x~0#1.base, main_~#x~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet4#1; 451#L34-2 main_#t~post3#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post3#1;havoc main_#t~post3#1; 450#L34-3 assume !!(main_~i~1#1 < 10);call write~int(main_#t~nondet4#1, main_~#x~0#1.base, main_~#x~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet4#1; 449#L34-2 main_#t~post3#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post3#1;havoc main_#t~post3#1; 448#L34-3 assume !!(main_~i~1#1 < 10);call write~int(main_#t~nondet4#1, main_~#x~0#1.base, main_~#x~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet4#1; 447#L34-2 main_#t~post3#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post3#1;havoc main_#t~post3#1; 446#L34-3 assume !!(main_~i~1#1 < 10);call write~int(main_#t~nondet4#1, main_~#x~0#1.base, main_~#x~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet4#1; 445#L34-2 main_#t~post3#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post3#1;havoc main_#t~post3#1; 444#L34-3 assume !(main_~i~1#1 < 10); 425#L34-4 assume { :begin_inline_avg } true;avg_#in~x#1.base, avg_#in~x#1.offset := main_~#x~0#1.base, main_~#x~0#1.offset;havoc avg_#res#1;havoc avg_#t~mem2#1, avg_#t~post1#1, avg_~x#1.base, avg_~x#1.offset, avg_~i~0#1, avg_~ret~0#1;avg_~x#1.base, avg_~x#1.offset := avg_#in~x#1.base, avg_#in~x#1.offset;havoc avg_~i~0#1;havoc avg_~ret~0#1;avg_~ret~0#1 := 0;avg_~i~0#1 := 0; 426#L20-3 [2022-12-13 22:19:43,640 INFO L750 eck$LassoCheckResult]: Loop: 426#L20-3 assume !!(avg_~i~0#1 < 10);call avg_#t~mem2#1 := read~int(avg_~x#1.base, avg_~x#1.offset + 4 * avg_~i~0#1, 4);avg_~ret~0#1 := avg_~ret~0#1 + avg_#t~mem2#1;havoc avg_#t~mem2#1; 440#L20-2 avg_#t~post1#1 := avg_~i~0#1;avg_~i~0#1 := 1 + avg_#t~post1#1;havoc avg_#t~post1#1; 426#L20-3 [2022-12-13 22:19:43,640 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 22:19:43,640 INFO L85 PathProgramCache]: Analyzing trace with hash 2127272351, now seen corresponding path program 3 times [2022-12-13 22:19:43,641 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 22:19:43,641 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1503475102] [2022-12-13 22:19:43,641 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 22:19:43,641 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 22:19:43,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 22:19:43,667 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-13 22:19:43,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 22:19:43,689 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-12-13 22:19:43,689 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 22:19:43,690 INFO L85 PathProgramCache]: Analyzing trace with hash 1731, now seen corresponding path program 4 times [2022-12-13 22:19:43,690 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 22:19:43,690 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2056035387] [2022-12-13 22:19:43,690 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 22:19:43,690 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 22:19:43,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 22:19:43,694 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-13 22:19:43,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 22:19:43,697 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-12-13 22:19:43,698 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 22:19:43,698 INFO L85 PathProgramCache]: Analyzing trace with hash -95702815, now seen corresponding path program 1 times [2022-12-13 22:19:43,698 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 22:19:43,698 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2086620381] [2022-12-13 22:19:43,698 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 22:19:43,698 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 22:19:43,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 22:19:43,726 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-13 22:19:43,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 22:19:43,747 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-12-13 22:19:48,389 INFO L210 LassoAnalysis]: Preferences: [2022-12-13 22:19:48,389 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-12-13 22:19:48,389 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-12-13 22:19:48,389 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-12-13 22:19:48,389 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-12-13 22:19:48,389 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 22:19:48,389 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-12-13 22:19:48,389 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-12-13 22:19:48,389 INFO L133 ssoRankerPreferences]: Filename of dumped script: avg10-2.i_Iteration5_Lasso [2022-12-13 22:19:48,390 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-12-13 22:19:48,390 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-12-13 22:19:48,392 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 22:19:48,393 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 22:19:48,395 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 22:19:48,396 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 22:19:48,397 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 22:19:48,399 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 22:19:48,401 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 22:19:49,294 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 22:19:49,295 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 22:19:49,297 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 22:19:49,299 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 22:19:49,300 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 22:19:49,301 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 22:19:49,303 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 22:19:49,304 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 22:19:49,305 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 22:19:49,307 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 22:19:49,308 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 22:19:49,309 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 22:19:49,311 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 22:19:49,312 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 22:19:49,313 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 22:19:49,559 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-12-13 22:19:49,559 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-12-13 22:19:49,560 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 22:19:49,560 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5cad805e-20eb-4dec-8305-67530291aee2/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 22:19:49,561 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5cad805e-20eb-4dec-8305-67530291aee2/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 22:19:49,561 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5cad805e-20eb-4dec-8305-67530291aee2/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Waiting until timeout for monitored process [2022-12-13 22:19:49,563 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-12-13 22:19:49,573 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-12-13 22:19:49,573 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-12-13 22:19:49,573 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-12-13 22:19:49,573 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-12-13 22:19:49,573 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-12-13 22:19:49,574 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-12-13 22:19:49,574 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-12-13 22:19:49,575 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-12-13 22:19:49,577 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5cad805e-20eb-4dec-8305-67530291aee2/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Ended with exit code 0 [2022-12-13 22:19:49,578 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 22:19:49,578 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5cad805e-20eb-4dec-8305-67530291aee2/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 22:19:49,579 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5cad805e-20eb-4dec-8305-67530291aee2/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 22:19:49,580 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5cad805e-20eb-4dec-8305-67530291aee2/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Waiting until timeout for monitored process [2022-12-13 22:19:49,581 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-12-13 22:19:49,591 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-12-13 22:19:49,591 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-12-13 22:19:49,591 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-12-13 22:19:49,591 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-12-13 22:19:49,591 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-12-13 22:19:49,592 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-12-13 22:19:49,592 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-12-13 22:19:49,593 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-12-13 22:19:49,595 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5cad805e-20eb-4dec-8305-67530291aee2/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Forceful destruction successful, exit code 0 [2022-12-13 22:19:49,596 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 22:19:49,596 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5cad805e-20eb-4dec-8305-67530291aee2/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 22:19:49,596 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5cad805e-20eb-4dec-8305-67530291aee2/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 22:19:49,597 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5cad805e-20eb-4dec-8305-67530291aee2/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Waiting until timeout for monitored process [2022-12-13 22:19:49,599 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-12-13 22:19:49,608 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-12-13 22:19:49,609 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-12-13 22:19:49,609 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-12-13 22:19:49,609 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-12-13 22:19:49,609 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-12-13 22:19:49,609 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-12-13 22:19:49,609 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-12-13 22:19:49,611 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-12-13 22:19:49,613 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5cad805e-20eb-4dec-8305-67530291aee2/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Ended with exit code 0 [2022-12-13 22:19:49,613 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 22:19:49,613 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5cad805e-20eb-4dec-8305-67530291aee2/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 22:19:49,614 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5cad805e-20eb-4dec-8305-67530291aee2/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 22:19:49,615 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5cad805e-20eb-4dec-8305-67530291aee2/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Waiting until timeout for monitored process [2022-12-13 22:19:49,617 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-12-13 22:19:49,626 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-12-13 22:19:49,627 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-12-13 22:19:49,627 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-12-13 22:19:49,627 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-12-13 22:19:49,627 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-12-13 22:19:49,627 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-12-13 22:19:49,627 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-12-13 22:19:49,628 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-12-13 22:19:49,631 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5cad805e-20eb-4dec-8305-67530291aee2/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Ended with exit code 0 [2022-12-13 22:19:49,631 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 22:19:49,631 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5cad805e-20eb-4dec-8305-67530291aee2/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 22:19:49,632 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5cad805e-20eb-4dec-8305-67530291aee2/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 22:19:49,633 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5cad805e-20eb-4dec-8305-67530291aee2/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Waiting until timeout for monitored process [2022-12-13 22:19:49,634 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-12-13 22:19:49,644 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-12-13 22:19:49,644 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-12-13 22:19:49,644 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-12-13 22:19:49,644 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-12-13 22:19:49,646 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-12-13 22:19:49,646 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-12-13 22:19:49,648 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-12-13 22:19:49,651 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5cad805e-20eb-4dec-8305-67530291aee2/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Ended with exit code 0 [2022-12-13 22:19:49,651 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 22:19:49,651 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5cad805e-20eb-4dec-8305-67530291aee2/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 22:19:49,652 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5cad805e-20eb-4dec-8305-67530291aee2/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 22:19:49,653 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5cad805e-20eb-4dec-8305-67530291aee2/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Waiting until timeout for monitored process [2022-12-13 22:19:49,654 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-12-13 22:19:49,664 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-12-13 22:19:49,664 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-12-13 22:19:49,664 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-12-13 22:19:49,664 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-12-13 22:19:49,664 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-12-13 22:19:49,665 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-12-13 22:19:49,665 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-12-13 22:19:49,666 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-12-13 22:19:49,669 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5cad805e-20eb-4dec-8305-67530291aee2/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Forceful destruction successful, exit code 0 [2022-12-13 22:19:49,669 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 22:19:49,669 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5cad805e-20eb-4dec-8305-67530291aee2/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 22:19:49,670 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5cad805e-20eb-4dec-8305-67530291aee2/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 22:19:49,670 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5cad805e-20eb-4dec-8305-67530291aee2/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Waiting until timeout for monitored process [2022-12-13 22:19:49,671 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-12-13 22:19:49,681 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-12-13 22:19:49,681 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-12-13 22:19:49,681 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-12-13 22:19:49,682 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-12-13 22:19:49,683 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-12-13 22:19:49,683 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-12-13 22:19:49,686 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-12-13 22:19:49,689 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5cad805e-20eb-4dec-8305-67530291aee2/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Ended with exit code 0 [2022-12-13 22:19:49,689 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 22:19:49,689 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5cad805e-20eb-4dec-8305-67530291aee2/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 22:19:49,690 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5cad805e-20eb-4dec-8305-67530291aee2/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 22:19:49,691 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5cad805e-20eb-4dec-8305-67530291aee2/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Waiting until timeout for monitored process [2022-12-13 22:19:49,692 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-12-13 22:19:49,702 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-12-13 22:19:49,702 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-12-13 22:19:49,702 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-12-13 22:19:49,702 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-12-13 22:19:49,704 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-12-13 22:19:49,704 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-12-13 22:19:49,707 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-12-13 22:19:49,709 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5cad805e-20eb-4dec-8305-67530291aee2/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Ended with exit code 0 [2022-12-13 22:19:49,709 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 22:19:49,709 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5cad805e-20eb-4dec-8305-67530291aee2/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 22:19:49,710 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5cad805e-20eb-4dec-8305-67530291aee2/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 22:19:49,711 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5cad805e-20eb-4dec-8305-67530291aee2/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Waiting until timeout for monitored process [2022-12-13 22:19:49,712 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-12-13 22:19:49,722 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-12-13 22:19:49,722 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-12-13 22:19:49,722 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-12-13 22:19:49,722 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-12-13 22:19:49,723 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-12-13 22:19:49,724 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-12-13 22:19:49,727 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-12-13 22:19:49,729 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5cad805e-20eb-4dec-8305-67530291aee2/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Ended with exit code 0 [2022-12-13 22:19:49,729 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 22:19:49,730 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5cad805e-20eb-4dec-8305-67530291aee2/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 22:19:49,730 INFO L229 MonitoredProcess]: Starting monitored process 26 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5cad805e-20eb-4dec-8305-67530291aee2/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 22:19:49,731 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5cad805e-20eb-4dec-8305-67530291aee2/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Waiting until timeout for monitored process [2022-12-13 22:19:49,733 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-12-13 22:19:49,742 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-12-13 22:19:49,742 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-12-13 22:19:49,743 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-12-13 22:19:49,743 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-12-13 22:19:49,744 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-12-13 22:19:49,744 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-12-13 22:19:49,748 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-12-13 22:19:49,750 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5cad805e-20eb-4dec-8305-67530291aee2/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Ended with exit code 0 [2022-12-13 22:19:49,750 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 22:19:49,750 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5cad805e-20eb-4dec-8305-67530291aee2/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 22:19:49,751 INFO L229 MonitoredProcess]: Starting monitored process 27 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5cad805e-20eb-4dec-8305-67530291aee2/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 22:19:49,752 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5cad805e-20eb-4dec-8305-67530291aee2/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Waiting until timeout for monitored process [2022-12-13 22:19:49,753 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-12-13 22:19:49,763 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-12-13 22:19:49,763 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-12-13 22:19:49,763 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-12-13 22:19:49,763 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-12-13 22:19:49,767 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-12-13 22:19:49,767 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-12-13 22:19:49,777 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2022-12-13 22:19:49,797 INFO L443 ModelExtractionUtils]: Simplification made 14 calls to the SMT solver. [2022-12-13 22:19:49,797 INFO L444 ModelExtractionUtils]: 5 out of 19 variables were initially zero. Simplification set additionally 11 variables to zero. [2022-12-13 22:19:49,798 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 22:19:49,798 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5cad805e-20eb-4dec-8305-67530291aee2/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 22:19:49,799 INFO L229 MonitoredProcess]: Starting monitored process 28 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5cad805e-20eb-4dec-8305-67530291aee2/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 22:19:49,799 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5cad805e-20eb-4dec-8305-67530291aee2/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Waiting until timeout for monitored process [2022-12-13 22:19:49,800 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2022-12-13 22:19:49,812 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2022-12-13 22:19:49,812 INFO L513 LassoAnalysis]: Proved termination. [2022-12-13 22:19:49,812 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_avg_~i~0#1) = -2*ULTIMATE.start_avg_~i~0#1 + 19 Supporting invariants [] [2022-12-13 22:19:49,815 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5cad805e-20eb-4dec-8305-67530291aee2/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Ended with exit code 0 [2022-12-13 22:19:49,933 INFO L156 tatePredicateManager]: 38 out of 38 supporting invariants were superfluous and have been removed [2022-12-13 22:19:49,942 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 22:19:49,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:19:49,963 INFO L263 TraceCheckSpWp]: Trace formula consists of 158 conjuncts, 2 conjunts are in the unsatisfiable core [2022-12-13 22:19:49,964 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 22:19:49,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:19:49,982 INFO L263 TraceCheckSpWp]: Trace formula consists of 11 conjuncts, 4 conjunts are in the unsatisfiable core [2022-12-13 22:19:49,982 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 22:19:49,988 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 22:19:49,989 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2022-12-13 22:19:49,989 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 37 states and 41 transitions. cyclomatic complexity: 9 Second operand has 3 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 3 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 22:19:50,000 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 37 states and 41 transitions. cyclomatic complexity: 9. Second operand has 3 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 3 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 41 states and 48 transitions. Complement of second has 7 states. [2022-12-13 22:19:50,000 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2022-12-13 22:19:50,001 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 3 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 22:19:50,001 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 10 transitions. [2022-12-13 22:19:50,001 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 10 transitions. Stem has 24 letters. Loop has 2 letters. [2022-12-13 22:19:50,002 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-12-13 22:19:50,002 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 10 transitions. Stem has 26 letters. Loop has 2 letters. [2022-12-13 22:19:50,002 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-12-13 22:19:50,002 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 10 transitions. Stem has 24 letters. Loop has 4 letters. [2022-12-13 22:19:50,003 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-12-13 22:19:50,003 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 41 states and 48 transitions. [2022-12-13 22:19:50,004 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 6 [2022-12-13 22:19:50,004 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 41 states to 38 states and 43 transitions. [2022-12-13 22:19:50,004 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 15 [2022-12-13 22:19:50,004 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 16 [2022-12-13 22:19:50,005 INFO L73 IsDeterministic]: Start isDeterministic. Operand 38 states and 43 transitions. [2022-12-13 22:19:50,005 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-12-13 22:19:50,005 INFO L218 hiAutomatonCegarLoop]: Abstraction has 38 states and 43 transitions. [2022-12-13 22:19:50,005 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 38 states and 43 transitions. [2022-12-13 22:19:50,007 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 38 to 38. [2022-12-13 22:19:50,007 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 38 states, 38 states have (on average 1.131578947368421) internal successors, (43), 37 states have internal predecessors, (43), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 22:19:50,007 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 38 states and 43 transitions. [2022-12-13 22:19:50,007 INFO L240 hiAutomatonCegarLoop]: Abstraction has 38 states and 43 transitions. [2022-12-13 22:19:50,007 INFO L428 stractBuchiCegarLoop]: Abstraction has 38 states and 43 transitions. [2022-12-13 22:19:50,007 INFO L335 stractBuchiCegarLoop]: ======== Iteration 6 ============ [2022-12-13 22:19:50,007 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 38 states and 43 transitions. [2022-12-13 22:19:50,008 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 6 [2022-12-13 22:19:50,008 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-12-13 22:19:50,008 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-12-13 22:19:50,009 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [10, 10, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 22:19:50,009 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2022-12-13 22:19:50,009 INFO L748 eck$LassoCheckResult]: Stem: 773#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(10, 2); 764#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet4#1, main_#t~post3#1, main_~i~1#1, main_#t~ret5#1, main_#t~mem6#1, main_#t~mem7#1, main_#t~ret8#1, main_#t~mem9#1, main_#t~mem11#1, main_#t~post10#1, main_~i~2#1, main_#t~ret12#1, main_~#x~0#1.base, main_~#x~0#1.offset, main_~temp~0#1, main_~ret~1#1, main_~ret2~0#1, main_~ret5~0#1;call main_~#x~0#1.base, main_~#x~0#1.offset := #Ultimate.allocOnStack(40);havoc main_~temp~0#1;havoc main_~ret~1#1;havoc main_~ret2~0#1;havoc main_~ret5~0#1;main_~i~1#1 := 0; 765#L34-3 assume !!(main_~i~1#1 < 10);call write~int(main_#t~nondet4#1, main_~#x~0#1.base, main_~#x~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet4#1; 774#L34-2 main_#t~post3#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post3#1;havoc main_#t~post3#1; 775#L34-3 assume !!(main_~i~1#1 < 10);call write~int(main_#t~nondet4#1, main_~#x~0#1.base, main_~#x~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet4#1; 768#L34-2 main_#t~post3#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post3#1;havoc main_#t~post3#1; 769#L34-3 assume !!(main_~i~1#1 < 10);call write~int(main_#t~nondet4#1, main_~#x~0#1.base, main_~#x~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet4#1; 791#L34-2 main_#t~post3#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post3#1;havoc main_#t~post3#1; 790#L34-3 assume !!(main_~i~1#1 < 10);call write~int(main_#t~nondet4#1, main_~#x~0#1.base, main_~#x~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet4#1; 789#L34-2 main_#t~post3#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post3#1;havoc main_#t~post3#1; 788#L34-3 assume !!(main_~i~1#1 < 10);call write~int(main_#t~nondet4#1, main_~#x~0#1.base, main_~#x~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet4#1; 787#L34-2 main_#t~post3#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post3#1;havoc main_#t~post3#1; 786#L34-3 assume !!(main_~i~1#1 < 10);call write~int(main_#t~nondet4#1, main_~#x~0#1.base, main_~#x~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet4#1; 785#L34-2 main_#t~post3#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post3#1;havoc main_#t~post3#1; 784#L34-3 assume !!(main_~i~1#1 < 10);call write~int(main_#t~nondet4#1, main_~#x~0#1.base, main_~#x~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet4#1; 783#L34-2 main_#t~post3#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post3#1;havoc main_#t~post3#1; 782#L34-3 assume !!(main_~i~1#1 < 10);call write~int(main_#t~nondet4#1, main_~#x~0#1.base, main_~#x~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet4#1; 781#L34-2 main_#t~post3#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post3#1;havoc main_#t~post3#1; 780#L34-3 assume !!(main_~i~1#1 < 10);call write~int(main_#t~nondet4#1, main_~#x~0#1.base, main_~#x~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet4#1; 779#L34-2 main_#t~post3#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post3#1;havoc main_#t~post3#1; 778#L34-3 assume !!(main_~i~1#1 < 10);call write~int(main_#t~nondet4#1, main_~#x~0#1.base, main_~#x~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet4#1; 777#L34-2 main_#t~post3#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post3#1;havoc main_#t~post3#1; 776#L34-3 assume !(main_~i~1#1 < 10); 756#L34-4 assume { :begin_inline_avg } true;avg_#in~x#1.base, avg_#in~x#1.offset := main_~#x~0#1.base, main_~#x~0#1.offset;havoc avg_#res#1;havoc avg_#t~mem2#1, avg_#t~post1#1, avg_~x#1.base, avg_~x#1.offset, avg_~i~0#1, avg_~ret~0#1;avg_~x#1.base, avg_~x#1.offset := avg_#in~x#1.base, avg_#in~x#1.offset;havoc avg_~i~0#1;havoc avg_~ret~0#1;avg_~ret~0#1 := 0;avg_~i~0#1 := 0; 757#L20-3 assume !(avg_~i~0#1 < 10); 766#L20-4 avg_#res#1 := (if (if avg_~ret~0#1 < 0 && 0 != avg_~ret~0#1 % 10 then 1 + avg_~ret~0#1 / 10 else avg_~ret~0#1 / 10) % 4294967296 <= 2147483647 then (if avg_~ret~0#1 < 0 && 0 != avg_~ret~0#1 % 10 then 1 + avg_~ret~0#1 / 10 else avg_~ret~0#1 / 10) % 4294967296 else (if avg_~ret~0#1 < 0 && 0 != avg_~ret~0#1 % 10 then 1 + avg_~ret~0#1 / 10 else avg_~ret~0#1 / 10) % 4294967296 - 4294967296); 767#avg_returnLabel#1 main_#t~ret5#1 := avg_#res#1;assume { :end_inline_avg } true;main_~ret~1#1 := main_#t~ret5#1;havoc main_#t~ret5#1;call main_#t~mem6#1 := read~int(main_~#x~0#1.base, main_~#x~0#1.offset, 4);main_~temp~0#1 := main_#t~mem6#1;havoc main_#t~mem6#1;call main_#t~mem7#1 := read~int(main_~#x~0#1.base, 4 + main_~#x~0#1.offset, 4);call write~int(main_#t~mem7#1, main_~#x~0#1.base, main_~#x~0#1.offset, 4);havoc main_#t~mem7#1;call write~int(main_~temp~0#1, main_~#x~0#1.base, 4 + main_~#x~0#1.offset, 4);assume { :begin_inline_avg } true;avg_#in~x#1.base, avg_#in~x#1.offset := main_~#x~0#1.base, main_~#x~0#1.offset;havoc avg_#res#1;havoc avg_#t~mem2#1, avg_#t~post1#1, avg_~x#1.base, avg_~x#1.offset, avg_~i~0#1, avg_~ret~0#1;avg_~x#1.base, avg_~x#1.offset := avg_#in~x#1.base, avg_#in~x#1.offset;havoc avg_~i~0#1;havoc avg_~ret~0#1;avg_~ret~0#1 := 0;avg_~i~0#1 := 0; 762#L20-8 [2022-12-13 22:19:50,009 INFO L750 eck$LassoCheckResult]: Loop: 762#L20-8 assume !!(avg_~i~0#1 < 10);call avg_#t~mem2#1 := read~int(avg_~x#1.base, avg_~x#1.offset + 4 * avg_~i~0#1, 4);avg_~ret~0#1 := avg_~ret~0#1 + avg_#t~mem2#1;havoc avg_#t~mem2#1; 763#L20-7 avg_#t~post1#1 := avg_~i~0#1;avg_~i~0#1 := 1 + avg_#t~post1#1;havoc avg_#t~post1#1; 762#L20-8 [2022-12-13 22:19:50,010 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 22:19:50,010 INFO L85 PathProgramCache]: Analyzing trace with hash 1328178265, now seen corresponding path program 1 times [2022-12-13 22:19:50,010 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 22:19:50,010 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [636991201] [2022-12-13 22:19:50,010 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 22:19:50,010 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 22:19:50,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:19:50,093 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 100 trivial. 0 not checked. [2022-12-13 22:19:50,093 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 22:19:50,093 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [636991201] [2022-12-13 22:19:50,093 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [636991201] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 22:19:50,093 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 22:19:50,093 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-13 22:19:50,094 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1122281392] [2022-12-13 22:19:50,094 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 22:19:50,094 INFO L753 eck$LassoCheckResult]: stem already infeasible [2022-12-13 22:19:50,094 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 22:19:50,094 INFO L85 PathProgramCache]: Analyzing trace with hash 2243, now seen corresponding path program 1 times [2022-12-13 22:19:50,094 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 22:19:50,094 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1933033915] [2022-12-13 22:19:50,095 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 22:19:50,095 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 22:19:50,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 22:19:50,098 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-13 22:19:50,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 22:19:50,101 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-12-13 22:19:50,133 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 22:19:50,133 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 22:19:50,133 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 22:19:50,133 INFO L87 Difference]: Start difference. First operand 38 states and 43 transitions. cyclomatic complexity: 10 Second operand has 3 states, 3 states have (on average 3.0) internal successors, (9), 3 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 22:19:50,149 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 22:19:50,150 INFO L93 Difference]: Finished difference Result 43 states and 47 transitions. [2022-12-13 22:19:50,150 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 43 states and 47 transitions. [2022-12-13 22:19:50,150 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 6 [2022-12-13 22:19:50,150 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 43 states to 43 states and 47 transitions. [2022-12-13 22:19:50,150 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 20 [2022-12-13 22:19:50,151 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 20 [2022-12-13 22:19:50,151 INFO L73 IsDeterministic]: Start isDeterministic. Operand 43 states and 47 transitions. [2022-12-13 22:19:50,151 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-12-13 22:19:50,151 INFO L218 hiAutomatonCegarLoop]: Abstraction has 43 states and 47 transitions. [2022-12-13 22:19:50,151 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 43 states and 47 transitions. [2022-12-13 22:19:50,152 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 43 to 39. [2022-12-13 22:19:50,152 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 39 states, 39 states have (on average 1.1025641025641026) internal successors, (43), 38 states have internal predecessors, (43), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 22:19:50,153 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 39 states and 43 transitions. [2022-12-13 22:19:50,153 INFO L240 hiAutomatonCegarLoop]: Abstraction has 39 states and 43 transitions. [2022-12-13 22:19:50,153 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 22:19:50,153 INFO L428 stractBuchiCegarLoop]: Abstraction has 39 states and 43 transitions. [2022-12-13 22:19:50,153 INFO L335 stractBuchiCegarLoop]: ======== Iteration 7 ============ [2022-12-13 22:19:50,154 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 39 states and 43 transitions. [2022-12-13 22:19:50,154 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 6 [2022-12-13 22:19:50,154 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-12-13 22:19:50,154 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-12-13 22:19:50,154 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 22:19:50,154 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2022-12-13 22:19:50,155 INFO L748 eck$LassoCheckResult]: Stem: 860#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(10, 2); 851#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet4#1, main_#t~post3#1, main_~i~1#1, main_#t~ret5#1, main_#t~mem6#1, main_#t~mem7#1, main_#t~ret8#1, main_#t~mem9#1, main_#t~mem11#1, main_#t~post10#1, main_~i~2#1, main_#t~ret12#1, main_~#x~0#1.base, main_~#x~0#1.offset, main_~temp~0#1, main_~ret~1#1, main_~ret2~0#1, main_~ret5~0#1;call main_~#x~0#1.base, main_~#x~0#1.offset := #Ultimate.allocOnStack(40);havoc main_~temp~0#1;havoc main_~ret~1#1;havoc main_~ret2~0#1;havoc main_~ret5~0#1;main_~i~1#1 := 0; 852#L34-3 assume !!(main_~i~1#1 < 10);call write~int(main_#t~nondet4#1, main_~#x~0#1.base, main_~#x~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet4#1; 855#L34-2 main_#t~post3#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post3#1;havoc main_#t~post3#1; 856#L34-3 assume !!(main_~i~1#1 < 10);call write~int(main_#t~nondet4#1, main_~#x~0#1.base, main_~#x~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet4#1; 862#L34-2 main_#t~post3#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post3#1;havoc main_#t~post3#1; 879#L34-3 assume !!(main_~i~1#1 < 10);call write~int(main_#t~nondet4#1, main_~#x~0#1.base, main_~#x~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet4#1; 878#L34-2 main_#t~post3#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post3#1;havoc main_#t~post3#1; 877#L34-3 assume !!(main_~i~1#1 < 10);call write~int(main_#t~nondet4#1, main_~#x~0#1.base, main_~#x~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet4#1; 876#L34-2 main_#t~post3#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post3#1;havoc main_#t~post3#1; 875#L34-3 assume !!(main_~i~1#1 < 10);call write~int(main_#t~nondet4#1, main_~#x~0#1.base, main_~#x~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet4#1; 874#L34-2 main_#t~post3#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post3#1;havoc main_#t~post3#1; 873#L34-3 assume !!(main_~i~1#1 < 10);call write~int(main_#t~nondet4#1, main_~#x~0#1.base, main_~#x~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet4#1; 872#L34-2 main_#t~post3#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post3#1;havoc main_#t~post3#1; 871#L34-3 assume !!(main_~i~1#1 < 10);call write~int(main_#t~nondet4#1, main_~#x~0#1.base, main_~#x~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet4#1; 870#L34-2 main_#t~post3#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post3#1;havoc main_#t~post3#1; 869#L34-3 assume !!(main_~i~1#1 < 10);call write~int(main_#t~nondet4#1, main_~#x~0#1.base, main_~#x~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet4#1; 868#L34-2 main_#t~post3#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post3#1;havoc main_#t~post3#1; 867#L34-3 assume !!(main_~i~1#1 < 10);call write~int(main_#t~nondet4#1, main_~#x~0#1.base, main_~#x~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet4#1; 866#L34-2 main_#t~post3#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post3#1;havoc main_#t~post3#1; 865#L34-3 assume !!(main_~i~1#1 < 10);call write~int(main_#t~nondet4#1, main_~#x~0#1.base, main_~#x~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet4#1; 864#L34-2 main_#t~post3#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post3#1;havoc main_#t~post3#1; 863#L34-3 assume !(main_~i~1#1 < 10); 843#L34-4 assume { :begin_inline_avg } true;avg_#in~x#1.base, avg_#in~x#1.offset := main_~#x~0#1.base, main_~#x~0#1.offset;havoc avg_#res#1;havoc avg_#t~mem2#1, avg_#t~post1#1, avg_~x#1.base, avg_~x#1.offset, avg_~i~0#1, avg_~ret~0#1;avg_~x#1.base, avg_~x#1.offset := avg_#in~x#1.base, avg_#in~x#1.offset;havoc avg_~i~0#1;havoc avg_~ret~0#1;avg_~ret~0#1 := 0;avg_~i~0#1 := 0; 844#L20-3 assume !!(avg_~i~0#1 < 10);call avg_#t~mem2#1 := read~int(avg_~x#1.base, avg_~x#1.offset + 4 * avg_~i~0#1, 4);avg_~ret~0#1 := avg_~ret~0#1 + avg_#t~mem2#1;havoc avg_#t~mem2#1; 858#L20-2 avg_#t~post1#1 := avg_~i~0#1;avg_~i~0#1 := 1 + avg_#t~post1#1;havoc avg_#t~post1#1; 859#L20-3 assume !(avg_~i~0#1 < 10); 853#L20-4 avg_#res#1 := (if (if avg_~ret~0#1 < 0 && 0 != avg_~ret~0#1 % 10 then 1 + avg_~ret~0#1 / 10 else avg_~ret~0#1 / 10) % 4294967296 <= 2147483647 then (if avg_~ret~0#1 < 0 && 0 != avg_~ret~0#1 % 10 then 1 + avg_~ret~0#1 / 10 else avg_~ret~0#1 / 10) % 4294967296 else (if avg_~ret~0#1 < 0 && 0 != avg_~ret~0#1 % 10 then 1 + avg_~ret~0#1 / 10 else avg_~ret~0#1 / 10) % 4294967296 - 4294967296); 854#avg_returnLabel#1 main_#t~ret5#1 := avg_#res#1;assume { :end_inline_avg } true;main_~ret~1#1 := main_#t~ret5#1;havoc main_#t~ret5#1;call main_#t~mem6#1 := read~int(main_~#x~0#1.base, main_~#x~0#1.offset, 4);main_~temp~0#1 := main_#t~mem6#1;havoc main_#t~mem6#1;call main_#t~mem7#1 := read~int(main_~#x~0#1.base, 4 + main_~#x~0#1.offset, 4);call write~int(main_#t~mem7#1, main_~#x~0#1.base, main_~#x~0#1.offset, 4);havoc main_#t~mem7#1;call write~int(main_~temp~0#1, main_~#x~0#1.base, 4 + main_~#x~0#1.offset, 4);assume { :begin_inline_avg } true;avg_#in~x#1.base, avg_#in~x#1.offset := main_~#x~0#1.base, main_~#x~0#1.offset;havoc avg_#res#1;havoc avg_#t~mem2#1, avg_#t~post1#1, avg_~x#1.base, avg_~x#1.offset, avg_~i~0#1, avg_~ret~0#1;avg_~x#1.base, avg_~x#1.offset := avg_#in~x#1.base, avg_#in~x#1.offset;havoc avg_~i~0#1;havoc avg_~ret~0#1;avg_~ret~0#1 := 0;avg_~i~0#1 := 0; 849#L20-8 assume !!(avg_~i~0#1 < 10);call avg_#t~mem2#1 := read~int(avg_~x#1.base, avg_~x#1.offset + 4 * avg_~i~0#1, 4);avg_~ret~0#1 := avg_~ret~0#1 + avg_#t~mem2#1;havoc avg_#t~mem2#1; 850#L20-7 [2022-12-13 22:19:50,155 INFO L750 eck$LassoCheckResult]: Loop: 850#L20-7 avg_#t~post1#1 := avg_~i~0#1;avg_~i~0#1 := 1 + avg_#t~post1#1;havoc avg_#t~post1#1; 861#L20-8 assume !!(avg_~i~0#1 < 10);call avg_#t~mem2#1 := read~int(avg_~x#1.base, avg_~x#1.offset + 4 * avg_~i~0#1, 4);avg_~ret~0#1 := avg_~ret~0#1 + avg_#t~mem2#1;havoc avg_#t~mem2#1; 850#L20-7 [2022-12-13 22:19:50,155 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 22:19:50,155 INFO L85 PathProgramCache]: Analyzing trace with hash -1721709263, now seen corresponding path program 1 times [2022-12-13 22:19:50,155 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 22:19:50,155 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [338576573] [2022-12-13 22:19:50,155 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 22:19:50,155 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 22:19:50,173 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5cad805e-20eb-4dec-8305-67530291aee2/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Ended with exit code 0 [2022-12-13 22:19:50,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:19:50,238 INFO L134 CoverageAnalysis]: Checked inductivity of 101 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 100 trivial. 0 not checked. [2022-12-13 22:19:50,238 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 22:19:50,238 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [338576573] [2022-12-13 22:19:50,239 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [338576573] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-13 22:19:50,239 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [749035846] [2022-12-13 22:19:50,239 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 22:19:50,239 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 22:19:50,239 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5cad805e-20eb-4dec-8305-67530291aee2/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 22:19:50,240 INFO L229 MonitoredProcess]: Starting monitored process 29 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5cad805e-20eb-4dec-8305-67530291aee2/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-13 22:19:50,241 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5cad805e-20eb-4dec-8305-67530291aee2/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (29)] Waiting until timeout for monitored process [2022-12-13 22:19:50,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:19:50,296 INFO L263 TraceCheckSpWp]: Trace formula consists of 205 conjuncts, 3 conjunts are in the unsatisfiable core [2022-12-13 22:19:50,298 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 22:19:50,308 INFO L134 CoverageAnalysis]: Checked inductivity of 101 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 100 trivial. 0 not checked. [2022-12-13 22:19:50,308 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-13 22:19:50,320 INFO L134 CoverageAnalysis]: Checked inductivity of 101 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 100 trivial. 0 not checked. [2022-12-13 22:19:50,320 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [749035846] provided 0 perfect and 2 imperfect interpolant sequences [2022-12-13 22:19:50,321 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-12-13 22:19:50,321 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 7 [2022-12-13 22:19:50,321 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [563031321] [2022-12-13 22:19:50,321 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-12-13 22:19:50,321 INFO L753 eck$LassoCheckResult]: stem already infeasible [2022-12-13 22:19:50,322 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 22:19:50,322 INFO L85 PathProgramCache]: Analyzing trace with hash 2303, now seen corresponding path program 2 times [2022-12-13 22:19:50,322 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 22:19:50,322 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [688349790] [2022-12-13 22:19:50,322 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 22:19:50,322 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 22:19:50,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 22:19:50,326 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-13 22:19:50,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 22:19:50,328 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-12-13 22:19:50,357 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 22:19:50,358 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-12-13 22:19:50,358 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2022-12-13 22:19:50,358 INFO L87 Difference]: Start difference. First operand 39 states and 43 transitions. cyclomatic complexity: 9 Second operand has 7 states, 7 states have (on average 2.7142857142857144) internal successors, (19), 7 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) [2022-12-13 22:19:50,399 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 22:19:50,399 INFO L93 Difference]: Finished difference Result 58 states and 62 transitions. [2022-12-13 22:19:50,399 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 58 states and 62 transitions. [2022-12-13 22:19:50,400 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 6 [2022-12-13 22:19:50,400 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 58 states to 58 states and 62 transitions. [2022-12-13 22:19:50,400 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 30 [2022-12-13 22:19:50,400 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 30 [2022-12-13 22:19:50,400 INFO L73 IsDeterministic]: Start isDeterministic. Operand 58 states and 62 transitions. [2022-12-13 22:19:50,400 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-12-13 22:19:50,400 INFO L218 hiAutomatonCegarLoop]: Abstraction has 58 states and 62 transitions. [2022-12-13 22:19:50,400 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 58 states and 62 transitions. [2022-12-13 22:19:50,402 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 58 to 51. [2022-12-13 22:19:50,402 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 51 states, 51 states have (on average 1.0784313725490196) internal successors, (55), 50 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 22:19:50,402 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 51 states and 55 transitions. [2022-12-13 22:19:50,402 INFO L240 hiAutomatonCegarLoop]: Abstraction has 51 states and 55 transitions. [2022-12-13 22:19:50,402 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-12-13 22:19:50,403 INFO L428 stractBuchiCegarLoop]: Abstraction has 51 states and 55 transitions. [2022-12-13 22:19:50,403 INFO L335 stractBuchiCegarLoop]: ======== Iteration 8 ============ [2022-12-13 22:19:50,403 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 51 states and 55 transitions. [2022-12-13 22:19:50,403 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 6 [2022-12-13 22:19:50,403 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-12-13 22:19:50,403 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-12-13 22:19:50,404 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [10, 10, 4, 4, 4, 3, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 22:19:50,404 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2022-12-13 22:19:50,404 INFO L748 eck$LassoCheckResult]: Stem: 1142#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(10, 2); 1132#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet4#1, main_#t~post3#1, main_~i~1#1, main_#t~ret5#1, main_#t~mem6#1, main_#t~mem7#1, main_#t~ret8#1, main_#t~mem9#1, main_#t~mem11#1, main_#t~post10#1, main_~i~2#1, main_#t~ret12#1, main_~#x~0#1.base, main_~#x~0#1.offset, main_~temp~0#1, main_~ret~1#1, main_~ret2~0#1, main_~ret5~0#1;call main_~#x~0#1.base, main_~#x~0#1.offset := #Ultimate.allocOnStack(40);havoc main_~temp~0#1;havoc main_~ret~1#1;havoc main_~ret2~0#1;havoc main_~ret5~0#1;main_~i~1#1 := 0; 1133#L34-3 assume !!(main_~i~1#1 < 10);call write~int(main_#t~nondet4#1, main_~#x~0#1.base, main_~#x~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet4#1; 1144#L34-2 main_#t~post3#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post3#1;havoc main_#t~post3#1; 1145#L34-3 assume !!(main_~i~1#1 < 10);call write~int(main_#t~nondet4#1, main_~#x~0#1.base, main_~#x~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet4#1; 1136#L34-2 main_#t~post3#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post3#1;havoc main_#t~post3#1; 1137#L34-3 assume !!(main_~i~1#1 < 10);call write~int(main_#t~nondet4#1, main_~#x~0#1.base, main_~#x~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet4#1; 1167#L34-2 main_#t~post3#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post3#1;havoc main_#t~post3#1; 1166#L34-3 assume !!(main_~i~1#1 < 10);call write~int(main_#t~nondet4#1, main_~#x~0#1.base, main_~#x~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet4#1; 1165#L34-2 main_#t~post3#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post3#1;havoc main_#t~post3#1; 1164#L34-3 assume !!(main_~i~1#1 < 10);call write~int(main_#t~nondet4#1, main_~#x~0#1.base, main_~#x~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet4#1; 1163#L34-2 main_#t~post3#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post3#1;havoc main_#t~post3#1; 1162#L34-3 assume !!(main_~i~1#1 < 10);call write~int(main_#t~nondet4#1, main_~#x~0#1.base, main_~#x~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet4#1; 1161#L34-2 main_#t~post3#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post3#1;havoc main_#t~post3#1; 1160#L34-3 assume !!(main_~i~1#1 < 10);call write~int(main_#t~nondet4#1, main_~#x~0#1.base, main_~#x~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet4#1; 1159#L34-2 main_#t~post3#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post3#1;havoc main_#t~post3#1; 1157#L34-3 assume !!(main_~i~1#1 < 10);call write~int(main_#t~nondet4#1, main_~#x~0#1.base, main_~#x~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet4#1; 1155#L34-2 main_#t~post3#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post3#1;havoc main_#t~post3#1; 1153#L34-3 assume !!(main_~i~1#1 < 10);call write~int(main_#t~nondet4#1, main_~#x~0#1.base, main_~#x~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet4#1; 1151#L34-2 main_#t~post3#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post3#1;havoc main_#t~post3#1; 1150#L34-3 assume !!(main_~i~1#1 < 10);call write~int(main_#t~nondet4#1, main_~#x~0#1.base, main_~#x~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet4#1; 1149#L34-2 main_#t~post3#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post3#1;havoc main_#t~post3#1; 1148#L34-3 assume !(main_~i~1#1 < 10); 1124#L34-4 assume { :begin_inline_avg } true;avg_#in~x#1.base, avg_#in~x#1.offset := main_~#x~0#1.base, main_~#x~0#1.offset;havoc avg_#res#1;havoc avg_#t~mem2#1, avg_#t~post1#1, avg_~x#1.base, avg_~x#1.offset, avg_~i~0#1, avg_~ret~0#1;avg_~x#1.base, avg_~x#1.offset := avg_#in~x#1.base, avg_#in~x#1.offset;havoc avg_~i~0#1;havoc avg_~ret~0#1;avg_~ret~0#1 := 0;avg_~i~0#1 := 0; 1125#L20-3 assume !!(avg_~i~0#1 < 10);call avg_#t~mem2#1 := read~int(avg_~x#1.base, avg_~x#1.offset + 4 * avg_~i~0#1, 4);avg_~ret~0#1 := avg_~ret~0#1 + avg_#t~mem2#1;havoc avg_#t~mem2#1; 1139#L20-2 avg_#t~post1#1 := avg_~i~0#1;avg_~i~0#1 := 1 + avg_#t~post1#1;havoc avg_#t~post1#1; 1140#L20-3 assume !!(avg_~i~0#1 < 10);call avg_#t~mem2#1 := read~int(avg_~x#1.base, avg_~x#1.offset + 4 * avg_~i~0#1, 4);avg_~ret~0#1 := avg_~ret~0#1 + avg_#t~mem2#1;havoc avg_#t~mem2#1; 1141#L20-2 avg_#t~post1#1 := avg_~i~0#1;avg_~i~0#1 := 1 + avg_#t~post1#1;havoc avg_#t~post1#1; 1172#L20-3 assume !!(avg_~i~0#1 < 10);call avg_#t~mem2#1 := read~int(avg_~x#1.base, avg_~x#1.offset + 4 * avg_~i~0#1, 4);avg_~ret~0#1 := avg_~ret~0#1 + avg_#t~mem2#1;havoc avg_#t~mem2#1; 1171#L20-2 avg_#t~post1#1 := avg_~i~0#1;avg_~i~0#1 := 1 + avg_#t~post1#1;havoc avg_#t~post1#1; 1170#L20-3 assume !!(avg_~i~0#1 < 10);call avg_#t~mem2#1 := read~int(avg_~x#1.base, avg_~x#1.offset + 4 * avg_~i~0#1, 4);avg_~ret~0#1 := avg_~ret~0#1 + avg_#t~mem2#1;havoc avg_#t~mem2#1; 1169#L20-2 avg_#t~post1#1 := avg_~i~0#1;avg_~i~0#1 := 1 + avg_#t~post1#1;havoc avg_#t~post1#1; 1168#L20-3 assume !(avg_~i~0#1 < 10); 1134#L20-4 avg_#res#1 := (if (if avg_~ret~0#1 < 0 && 0 != avg_~ret~0#1 % 10 then 1 + avg_~ret~0#1 / 10 else avg_~ret~0#1 / 10) % 4294967296 <= 2147483647 then (if avg_~ret~0#1 < 0 && 0 != avg_~ret~0#1 % 10 then 1 + avg_~ret~0#1 / 10 else avg_~ret~0#1 / 10) % 4294967296 else (if avg_~ret~0#1 < 0 && 0 != avg_~ret~0#1 % 10 then 1 + avg_~ret~0#1 / 10 else avg_~ret~0#1 / 10) % 4294967296 - 4294967296); 1135#avg_returnLabel#1 main_#t~ret5#1 := avg_#res#1;assume { :end_inline_avg } true;main_~ret~1#1 := main_#t~ret5#1;havoc main_#t~ret5#1;call main_#t~mem6#1 := read~int(main_~#x~0#1.base, main_~#x~0#1.offset, 4);main_~temp~0#1 := main_#t~mem6#1;havoc main_#t~mem6#1;call main_#t~mem7#1 := read~int(main_~#x~0#1.base, 4 + main_~#x~0#1.offset, 4);call write~int(main_#t~mem7#1, main_~#x~0#1.base, main_~#x~0#1.offset, 4);havoc main_#t~mem7#1;call write~int(main_~temp~0#1, main_~#x~0#1.base, 4 + main_~#x~0#1.offset, 4);assume { :begin_inline_avg } true;avg_#in~x#1.base, avg_#in~x#1.offset := main_~#x~0#1.base, main_~#x~0#1.offset;havoc avg_#res#1;havoc avg_#t~mem2#1, avg_#t~post1#1, avg_~x#1.base, avg_~x#1.offset, avg_~i~0#1, avg_~ret~0#1;avg_~x#1.base, avg_~x#1.offset := avg_#in~x#1.base, avg_#in~x#1.offset;havoc avg_~i~0#1;havoc avg_~ret~0#1;avg_~ret~0#1 := 0;avg_~i~0#1 := 0; 1130#L20-8 assume !!(avg_~i~0#1 < 10);call avg_#t~mem2#1 := read~int(avg_~x#1.base, avg_~x#1.offset + 4 * avg_~i~0#1, 4);avg_~ret~0#1 := avg_~ret~0#1 + avg_#t~mem2#1;havoc avg_#t~mem2#1; 1131#L20-7 avg_#t~post1#1 := avg_~i~0#1;avg_~i~0#1 := 1 + avg_#t~post1#1;havoc avg_#t~post1#1; 1143#L20-8 assume !!(avg_~i~0#1 < 10);call avg_#t~mem2#1 := read~int(avg_~x#1.base, avg_~x#1.offset + 4 * avg_~i~0#1, 4);avg_~ret~0#1 := avg_~ret~0#1 + avg_#t~mem2#1;havoc avg_#t~mem2#1; 1158#L20-7 avg_#t~post1#1 := avg_~i~0#1;avg_~i~0#1 := 1 + avg_#t~post1#1;havoc avg_#t~post1#1; 1156#L20-8 assume !!(avg_~i~0#1 < 10);call avg_#t~mem2#1 := read~int(avg_~x#1.base, avg_~x#1.offset + 4 * avg_~i~0#1, 4);avg_~ret~0#1 := avg_~ret~0#1 + avg_#t~mem2#1;havoc avg_#t~mem2#1; 1154#L20-7 avg_#t~post1#1 := avg_~i~0#1;avg_~i~0#1 := 1 + avg_#t~post1#1;havoc avg_#t~post1#1; 1152#L20-8 assume !!(avg_~i~0#1 < 10);call avg_#t~mem2#1 := read~int(avg_~x#1.base, avg_~x#1.offset + 4 * avg_~i~0#1, 4);avg_~ret~0#1 := avg_~ret~0#1 + avg_#t~mem2#1;havoc avg_#t~mem2#1; 1147#L20-7 [2022-12-13 22:19:50,404 INFO L750 eck$LassoCheckResult]: Loop: 1147#L20-7 avg_#t~post1#1 := avg_~i~0#1;avg_~i~0#1 := 1 + avg_#t~post1#1;havoc avg_#t~post1#1; 1146#L20-8 assume !!(avg_~i~0#1 < 10);call avg_#t~mem2#1 := read~int(avg_~x#1.base, avg_~x#1.offset + 4 * avg_~i~0#1, 4);avg_~ret~0#1 := avg_~ret~0#1 + avg_#t~mem2#1;havoc avg_#t~mem2#1; 1147#L20-7 [2022-12-13 22:19:50,404 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 22:19:50,404 INFO L85 PathProgramCache]: Analyzing trace with hash 512696561, now seen corresponding path program 1 times [2022-12-13 22:19:50,405 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 22:19:50,405 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [121270347] [2022-12-13 22:19:50,405 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 22:19:50,405 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 22:19:50,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:19:50,493 INFO L134 CoverageAnalysis]: Checked inductivity of 125 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 109 trivial. 0 not checked. [2022-12-13 22:19:50,493 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 22:19:50,494 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [121270347] [2022-12-13 22:19:50,494 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [121270347] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-13 22:19:50,494 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1547643230] [2022-12-13 22:19:50,494 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 22:19:50,494 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 22:19:50,494 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5cad805e-20eb-4dec-8305-67530291aee2/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 22:19:50,495 INFO L229 MonitoredProcess]: Starting monitored process 30 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5cad805e-20eb-4dec-8305-67530291aee2/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-13 22:19:50,496 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5cad805e-20eb-4dec-8305-67530291aee2/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (30)] Waiting until timeout for monitored process [2022-12-13 22:19:50,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:19:50,558 INFO L263 TraceCheckSpWp]: Trace formula consists of 259 conjuncts, 6 conjunts are in the unsatisfiable core [2022-12-13 22:19:50,560 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 22:19:50,578 INFO L134 CoverageAnalysis]: Checked inductivity of 125 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 109 trivial. 0 not checked. [2022-12-13 22:19:50,578 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-13 22:19:50,629 INFO L134 CoverageAnalysis]: Checked inductivity of 125 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 109 trivial. 0 not checked. [2022-12-13 22:19:50,629 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1547643230] provided 0 perfect and 2 imperfect interpolant sequences [2022-12-13 22:19:50,629 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-12-13 22:19:50,630 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7, 7] total 13 [2022-12-13 22:19:50,630 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1956330381] [2022-12-13 22:19:50,630 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-12-13 22:19:50,630 INFO L753 eck$LassoCheckResult]: stem already infeasible [2022-12-13 22:19:50,630 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 22:19:50,631 INFO L85 PathProgramCache]: Analyzing trace with hash 2303, now seen corresponding path program 3 times [2022-12-13 22:19:50,631 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 22:19:50,631 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1155677716] [2022-12-13 22:19:50,631 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 22:19:50,631 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 22:19:50,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 22:19:50,634 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-13 22:19:50,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 22:19:50,637 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-12-13 22:19:50,669 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 22:19:50,669 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-12-13 22:19:50,670 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=78, Invalid=78, Unknown=0, NotChecked=0, Total=156 [2022-12-13 22:19:50,670 INFO L87 Difference]: Start difference. First operand 51 states and 55 transitions. cyclomatic complexity: 9 Second operand has 13 states, 13 states have (on average 2.4615384615384617) internal successors, (32), 13 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) [2022-12-13 22:19:50,774 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 22:19:50,774 INFO L93 Difference]: Finished difference Result 94 states and 98 transitions. [2022-12-13 22:19:50,774 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 94 states and 98 transitions. [2022-12-13 22:19:50,775 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 6 [2022-12-13 22:19:50,776 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 94 states to 94 states and 98 transitions. [2022-12-13 22:19:50,776 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 54 [2022-12-13 22:19:50,776 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 54 [2022-12-13 22:19:50,776 INFO L73 IsDeterministic]: Start isDeterministic. Operand 94 states and 98 transitions. [2022-12-13 22:19:50,776 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-12-13 22:19:50,776 INFO L218 hiAutomatonCegarLoop]: Abstraction has 94 states and 98 transitions. [2022-12-13 22:19:50,777 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 94 states and 98 transitions. [2022-12-13 22:19:50,780 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 94 to 75. [2022-12-13 22:19:50,780 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 75 states, 75 states have (on average 1.0533333333333332) internal successors, (79), 74 states have internal predecessors, (79), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 22:19:50,781 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 75 states and 79 transitions. [2022-12-13 22:19:50,781 INFO L240 hiAutomatonCegarLoop]: Abstraction has 75 states and 79 transitions. [2022-12-13 22:19:50,781 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-12-13 22:19:50,782 INFO L428 stractBuchiCegarLoop]: Abstraction has 75 states and 79 transitions. [2022-12-13 22:19:50,782 INFO L335 stractBuchiCegarLoop]: ======== Iteration 9 ============ [2022-12-13 22:19:50,782 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 75 states and 79 transitions. [2022-12-13 22:19:50,783 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 6 [2022-12-13 22:19:50,783 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-12-13 22:19:50,783 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-12-13 22:19:50,784 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [10, 10, 10, 10, 10, 9, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 22:19:50,784 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2022-12-13 22:19:50,788 INFO L748 eck$LassoCheckResult]: Stem: 1549#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(10, 2); 1539#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet4#1, main_#t~post3#1, main_~i~1#1, main_#t~ret5#1, main_#t~mem6#1, main_#t~mem7#1, main_#t~ret8#1, main_#t~mem9#1, main_#t~mem11#1, main_#t~post10#1, main_~i~2#1, main_#t~ret12#1, main_~#x~0#1.base, main_~#x~0#1.offset, main_~temp~0#1, main_~ret~1#1, main_~ret2~0#1, main_~ret5~0#1;call main_~#x~0#1.base, main_~#x~0#1.offset := #Ultimate.allocOnStack(40);havoc main_~temp~0#1;havoc main_~ret~1#1;havoc main_~ret2~0#1;havoc main_~ret5~0#1;main_~i~1#1 := 0; 1540#L34-3 assume !!(main_~i~1#1 < 10);call write~int(main_#t~nondet4#1, main_~#x~0#1.base, main_~#x~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet4#1; 1543#L34-2 main_#t~post3#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post3#1;havoc main_#t~post3#1; 1544#L34-3 assume !!(main_~i~1#1 < 10);call write~int(main_#t~nondet4#1, main_~#x~0#1.base, main_~#x~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet4#1; 1551#L34-2 main_#t~post3#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post3#1;havoc main_#t~post3#1; 1583#L34-3 assume !!(main_~i~1#1 < 10);call write~int(main_#t~nondet4#1, main_~#x~0#1.base, main_~#x~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet4#1; 1581#L34-2 main_#t~post3#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post3#1;havoc main_#t~post3#1; 1579#L34-3 assume !!(main_~i~1#1 < 10);call write~int(main_#t~nondet4#1, main_~#x~0#1.base, main_~#x~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet4#1; 1577#L34-2 main_#t~post3#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post3#1;havoc main_#t~post3#1; 1575#L34-3 assume !!(main_~i~1#1 < 10);call write~int(main_#t~nondet4#1, main_~#x~0#1.base, main_~#x~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet4#1; 1573#L34-2 main_#t~post3#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post3#1;havoc main_#t~post3#1; 1571#L34-3 assume !!(main_~i~1#1 < 10);call write~int(main_#t~nondet4#1, main_~#x~0#1.base, main_~#x~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet4#1; 1569#L34-2 main_#t~post3#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post3#1;havoc main_#t~post3#1; 1567#L34-3 assume !!(main_~i~1#1 < 10);call write~int(main_#t~nondet4#1, main_~#x~0#1.base, main_~#x~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet4#1; 1565#L34-2 main_#t~post3#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post3#1;havoc main_#t~post3#1; 1563#L34-3 assume !!(main_~i~1#1 < 10);call write~int(main_#t~nondet4#1, main_~#x~0#1.base, main_~#x~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet4#1; 1561#L34-2 main_#t~post3#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post3#1;havoc main_#t~post3#1; 1559#L34-3 assume !!(main_~i~1#1 < 10);call write~int(main_#t~nondet4#1, main_~#x~0#1.base, main_~#x~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet4#1; 1557#L34-2 main_#t~post3#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post3#1;havoc main_#t~post3#1; 1556#L34-3 assume !!(main_~i~1#1 < 10);call write~int(main_#t~nondet4#1, main_~#x~0#1.base, main_~#x~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet4#1; 1555#L34-2 main_#t~post3#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post3#1;havoc main_#t~post3#1; 1554#L34-3 assume !(main_~i~1#1 < 10); 1531#L34-4 assume { :begin_inline_avg } true;avg_#in~x#1.base, avg_#in~x#1.offset := main_~#x~0#1.base, main_~#x~0#1.offset;havoc avg_#res#1;havoc avg_#t~mem2#1, avg_#t~post1#1, avg_~x#1.base, avg_~x#1.offset, avg_~i~0#1, avg_~ret~0#1;avg_~x#1.base, avg_~x#1.offset := avg_#in~x#1.base, avg_#in~x#1.offset;havoc avg_~i~0#1;havoc avg_~ret~0#1;avg_~ret~0#1 := 0;avg_~i~0#1 := 0; 1532#L20-3 assume !!(avg_~i~0#1 < 10);call avg_#t~mem2#1 := read~int(avg_~x#1.base, avg_~x#1.offset + 4 * avg_~i~0#1, 4);avg_~ret~0#1 := avg_~ret~0#1 + avg_#t~mem2#1;havoc avg_#t~mem2#1; 1546#L20-2 avg_#t~post1#1 := avg_~i~0#1;avg_~i~0#1 := 1 + avg_#t~post1#1;havoc avg_#t~post1#1; 1547#L20-3 assume !!(avg_~i~0#1 < 10);call avg_#t~mem2#1 := read~int(avg_~x#1.base, avg_~x#1.offset + 4 * avg_~i~0#1, 4);avg_~ret~0#1 := avg_~ret~0#1 + avg_#t~mem2#1;havoc avg_#t~mem2#1; 1548#L20-2 avg_#t~post1#1 := avg_~i~0#1;avg_~i~0#1 := 1 + avg_#t~post1#1;havoc avg_#t~post1#1; 1603#L20-3 assume !!(avg_~i~0#1 < 10);call avg_#t~mem2#1 := read~int(avg_~x#1.base, avg_~x#1.offset + 4 * avg_~i~0#1, 4);avg_~ret~0#1 := avg_~ret~0#1 + avg_#t~mem2#1;havoc avg_#t~mem2#1; 1602#L20-2 avg_#t~post1#1 := avg_~i~0#1;avg_~i~0#1 := 1 + avg_#t~post1#1;havoc avg_#t~post1#1; 1601#L20-3 assume !!(avg_~i~0#1 < 10);call avg_#t~mem2#1 := read~int(avg_~x#1.base, avg_~x#1.offset + 4 * avg_~i~0#1, 4);avg_~ret~0#1 := avg_~ret~0#1 + avg_#t~mem2#1;havoc avg_#t~mem2#1; 1600#L20-2 avg_#t~post1#1 := avg_~i~0#1;avg_~i~0#1 := 1 + avg_#t~post1#1;havoc avg_#t~post1#1; 1599#L20-3 assume !!(avg_~i~0#1 < 10);call avg_#t~mem2#1 := read~int(avg_~x#1.base, avg_~x#1.offset + 4 * avg_~i~0#1, 4);avg_~ret~0#1 := avg_~ret~0#1 + avg_#t~mem2#1;havoc avg_#t~mem2#1; 1598#L20-2 avg_#t~post1#1 := avg_~i~0#1;avg_~i~0#1 := 1 + avg_#t~post1#1;havoc avg_#t~post1#1; 1597#L20-3 assume !!(avg_~i~0#1 < 10);call avg_#t~mem2#1 := read~int(avg_~x#1.base, avg_~x#1.offset + 4 * avg_~i~0#1, 4);avg_~ret~0#1 := avg_~ret~0#1 + avg_#t~mem2#1;havoc avg_#t~mem2#1; 1596#L20-2 avg_#t~post1#1 := avg_~i~0#1;avg_~i~0#1 := 1 + avg_#t~post1#1;havoc avg_#t~post1#1; 1595#L20-3 assume !!(avg_~i~0#1 < 10);call avg_#t~mem2#1 := read~int(avg_~x#1.base, avg_~x#1.offset + 4 * avg_~i~0#1, 4);avg_~ret~0#1 := avg_~ret~0#1 + avg_#t~mem2#1;havoc avg_#t~mem2#1; 1594#L20-2 avg_#t~post1#1 := avg_~i~0#1;avg_~i~0#1 := 1 + avg_#t~post1#1;havoc avg_#t~post1#1; 1593#L20-3 assume !!(avg_~i~0#1 < 10);call avg_#t~mem2#1 := read~int(avg_~x#1.base, avg_~x#1.offset + 4 * avg_~i~0#1, 4);avg_~ret~0#1 := avg_~ret~0#1 + avg_#t~mem2#1;havoc avg_#t~mem2#1; 1592#L20-2 avg_#t~post1#1 := avg_~i~0#1;avg_~i~0#1 := 1 + avg_#t~post1#1;havoc avg_#t~post1#1; 1591#L20-3 assume !!(avg_~i~0#1 < 10);call avg_#t~mem2#1 := read~int(avg_~x#1.base, avg_~x#1.offset + 4 * avg_~i~0#1, 4);avg_~ret~0#1 := avg_~ret~0#1 + avg_#t~mem2#1;havoc avg_#t~mem2#1; 1590#L20-2 avg_#t~post1#1 := avg_~i~0#1;avg_~i~0#1 := 1 + avg_#t~post1#1;havoc avg_#t~post1#1; 1589#L20-3 assume !!(avg_~i~0#1 < 10);call avg_#t~mem2#1 := read~int(avg_~x#1.base, avg_~x#1.offset + 4 * avg_~i~0#1, 4);avg_~ret~0#1 := avg_~ret~0#1 + avg_#t~mem2#1;havoc avg_#t~mem2#1; 1588#L20-2 avg_#t~post1#1 := avg_~i~0#1;avg_~i~0#1 := 1 + avg_#t~post1#1;havoc avg_#t~post1#1; 1587#L20-3 assume !(avg_~i~0#1 < 10); 1541#L20-4 avg_#res#1 := (if (if avg_~ret~0#1 < 0 && 0 != avg_~ret~0#1 % 10 then 1 + avg_~ret~0#1 / 10 else avg_~ret~0#1 / 10) % 4294967296 <= 2147483647 then (if avg_~ret~0#1 < 0 && 0 != avg_~ret~0#1 % 10 then 1 + avg_~ret~0#1 / 10 else avg_~ret~0#1 / 10) % 4294967296 else (if avg_~ret~0#1 < 0 && 0 != avg_~ret~0#1 % 10 then 1 + avg_~ret~0#1 / 10 else avg_~ret~0#1 / 10) % 4294967296 - 4294967296); 1542#avg_returnLabel#1 main_#t~ret5#1 := avg_#res#1;assume { :end_inline_avg } true;main_~ret~1#1 := main_#t~ret5#1;havoc main_#t~ret5#1;call main_#t~mem6#1 := read~int(main_~#x~0#1.base, main_~#x~0#1.offset, 4);main_~temp~0#1 := main_#t~mem6#1;havoc main_#t~mem6#1;call main_#t~mem7#1 := read~int(main_~#x~0#1.base, 4 + main_~#x~0#1.offset, 4);call write~int(main_#t~mem7#1, main_~#x~0#1.base, main_~#x~0#1.offset, 4);havoc main_#t~mem7#1;call write~int(main_~temp~0#1, main_~#x~0#1.base, 4 + main_~#x~0#1.offset, 4);assume { :begin_inline_avg } true;avg_#in~x#1.base, avg_#in~x#1.offset := main_~#x~0#1.base, main_~#x~0#1.offset;havoc avg_#res#1;havoc avg_#t~mem2#1, avg_#t~post1#1, avg_~x#1.base, avg_~x#1.offset, avg_~i~0#1, avg_~ret~0#1;avg_~x#1.base, avg_~x#1.offset := avg_#in~x#1.base, avg_#in~x#1.offset;havoc avg_~i~0#1;havoc avg_~ret~0#1;avg_~ret~0#1 := 0;avg_~i~0#1 := 0; 1537#L20-8 assume !!(avg_~i~0#1 < 10);call avg_#t~mem2#1 := read~int(avg_~x#1.base, avg_~x#1.offset + 4 * avg_~i~0#1, 4);avg_~ret~0#1 := avg_~ret~0#1 + avg_#t~mem2#1;havoc avg_#t~mem2#1; 1538#L20-7 avg_#t~post1#1 := avg_~i~0#1;avg_~i~0#1 := 1 + avg_#t~post1#1;havoc avg_#t~post1#1; 1550#L20-8 assume !!(avg_~i~0#1 < 10);call avg_#t~mem2#1 := read~int(avg_~x#1.base, avg_~x#1.offset + 4 * avg_~i~0#1, 4);avg_~ret~0#1 := avg_~ret~0#1 + avg_#t~mem2#1;havoc avg_#t~mem2#1; 1586#L20-7 avg_#t~post1#1 := avg_~i~0#1;avg_~i~0#1 := 1 + avg_#t~post1#1;havoc avg_#t~post1#1; 1585#L20-8 assume !!(avg_~i~0#1 < 10);call avg_#t~mem2#1 := read~int(avg_~x#1.base, avg_~x#1.offset + 4 * avg_~i~0#1, 4);avg_~ret~0#1 := avg_~ret~0#1 + avg_#t~mem2#1;havoc avg_#t~mem2#1; 1584#L20-7 avg_#t~post1#1 := avg_~i~0#1;avg_~i~0#1 := 1 + avg_#t~post1#1;havoc avg_#t~post1#1; 1582#L20-8 assume !!(avg_~i~0#1 < 10);call avg_#t~mem2#1 := read~int(avg_~x#1.base, avg_~x#1.offset + 4 * avg_~i~0#1, 4);avg_~ret~0#1 := avg_~ret~0#1 + avg_#t~mem2#1;havoc avg_#t~mem2#1; 1580#L20-7 avg_#t~post1#1 := avg_~i~0#1;avg_~i~0#1 := 1 + avg_#t~post1#1;havoc avg_#t~post1#1; 1578#L20-8 assume !!(avg_~i~0#1 < 10);call avg_#t~mem2#1 := read~int(avg_~x#1.base, avg_~x#1.offset + 4 * avg_~i~0#1, 4);avg_~ret~0#1 := avg_~ret~0#1 + avg_#t~mem2#1;havoc avg_#t~mem2#1; 1576#L20-7 avg_#t~post1#1 := avg_~i~0#1;avg_~i~0#1 := 1 + avg_#t~post1#1;havoc avg_#t~post1#1; 1574#L20-8 assume !!(avg_~i~0#1 < 10);call avg_#t~mem2#1 := read~int(avg_~x#1.base, avg_~x#1.offset + 4 * avg_~i~0#1, 4);avg_~ret~0#1 := avg_~ret~0#1 + avg_#t~mem2#1;havoc avg_#t~mem2#1; 1572#L20-7 avg_#t~post1#1 := avg_~i~0#1;avg_~i~0#1 := 1 + avg_#t~post1#1;havoc avg_#t~post1#1; 1570#L20-8 assume !!(avg_~i~0#1 < 10);call avg_#t~mem2#1 := read~int(avg_~x#1.base, avg_~x#1.offset + 4 * avg_~i~0#1, 4);avg_~ret~0#1 := avg_~ret~0#1 + avg_#t~mem2#1;havoc avg_#t~mem2#1; 1568#L20-7 avg_#t~post1#1 := avg_~i~0#1;avg_~i~0#1 := 1 + avg_#t~post1#1;havoc avg_#t~post1#1; 1566#L20-8 assume !!(avg_~i~0#1 < 10);call avg_#t~mem2#1 := read~int(avg_~x#1.base, avg_~x#1.offset + 4 * avg_~i~0#1, 4);avg_~ret~0#1 := avg_~ret~0#1 + avg_#t~mem2#1;havoc avg_#t~mem2#1; 1564#L20-7 avg_#t~post1#1 := avg_~i~0#1;avg_~i~0#1 := 1 + avg_#t~post1#1;havoc avg_#t~post1#1; 1562#L20-8 assume !!(avg_~i~0#1 < 10);call avg_#t~mem2#1 := read~int(avg_~x#1.base, avg_~x#1.offset + 4 * avg_~i~0#1, 4);avg_~ret~0#1 := avg_~ret~0#1 + avg_#t~mem2#1;havoc avg_#t~mem2#1; 1560#L20-7 avg_#t~post1#1 := avg_~i~0#1;avg_~i~0#1 := 1 + avg_#t~post1#1;havoc avg_#t~post1#1; 1558#L20-8 assume !!(avg_~i~0#1 < 10);call avg_#t~mem2#1 := read~int(avg_~x#1.base, avg_~x#1.offset + 4 * avg_~i~0#1, 4);avg_~ret~0#1 := avg_~ret~0#1 + avg_#t~mem2#1;havoc avg_#t~mem2#1; 1553#L20-7 [2022-12-13 22:19:50,788 INFO L750 eck$LassoCheckResult]: Loop: 1553#L20-7 avg_#t~post1#1 := avg_~i~0#1;avg_~i~0#1 := 1 + avg_#t~post1#1;havoc avg_#t~post1#1; 1552#L20-8 assume !!(avg_~i~0#1 < 10);call avg_#t~mem2#1 := read~int(avg_~x#1.base, avg_~x#1.offset + 4 * avg_~i~0#1, 4);avg_~ret~0#1 := avg_~ret~0#1 + avg_#t~mem2#1;havoc avg_#t~mem2#1; 1553#L20-7 [2022-12-13 22:19:50,789 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 22:19:50,789 INFO L85 PathProgramCache]: Analyzing trace with hash -549950095, now seen corresponding path program 2 times [2022-12-13 22:19:50,789 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 22:19:50,789 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2088823847] [2022-12-13 22:19:50,789 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 22:19:50,789 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 22:19:50,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 22:19:50,879 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-13 22:19:50,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 22:19:50,956 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-12-13 22:19:50,956 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 22:19:50,957 INFO L85 PathProgramCache]: Analyzing trace with hash 2303, now seen corresponding path program 4 times [2022-12-13 22:19:50,957 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 22:19:50,957 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1946177071] [2022-12-13 22:19:50,957 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 22:19:50,957 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 22:19:50,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 22:19:50,960 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-13 22:19:50,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 22:19:50,962 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-12-13 22:19:50,963 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 22:19:50,963 INFO L85 PathProgramCache]: Analyzing trace with hash -221062545, now seen corresponding path program 3 times [2022-12-13 22:19:50,963 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 22:19:50,963 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2022824632] [2022-12-13 22:19:50,963 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 22:19:50,963 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 22:19:50,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:19:51,207 INFO L134 CoverageAnalysis]: Checked inductivity of 300 backedges. 81 proven. 19 refuted. 0 times theorem prover too weak. 200 trivial. 0 not checked. [2022-12-13 22:19:51,207 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 22:19:51,207 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2022824632] [2022-12-13 22:19:51,207 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2022824632] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-13 22:19:51,207 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1933885150] [2022-12-13 22:19:51,207 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-12-13 22:19:51,208 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 22:19:51,208 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5cad805e-20eb-4dec-8305-67530291aee2/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 22:19:51,209 INFO L229 MonitoredProcess]: Starting monitored process 31 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5cad805e-20eb-4dec-8305-67530291aee2/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-13 22:19:51,210 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5cad805e-20eb-4dec-8305-67530291aee2/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (31)] Waiting until timeout for monitored process [2022-12-13 22:19:51,418 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 11 check-sat command(s) [2022-12-13 22:19:51,418 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-12-13 22:19:51,420 INFO L263 TraceCheckSpWp]: Trace formula consists of 376 conjuncts, 12 conjunts are in the unsatisfiable core [2022-12-13 22:19:51,422 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 22:19:51,456 INFO L134 CoverageAnalysis]: Checked inductivity of 300 backedges. 100 proven. 0 refuted. 0 times theorem prover too weak. 200 trivial. 0 not checked. [2022-12-13 22:19:51,456 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-13 22:19:51,456 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1933885150] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 22:19:51,456 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-12-13 22:19:51,456 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [12] total 13 [2022-12-13 22:19:51,457 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1647743284] [2022-12-13 22:19:51,457 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 22:19:51,486 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 22:19:51,486 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-12-13 22:19:51,486 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=81, Invalid=101, Unknown=0, NotChecked=0, Total=182 [2022-12-13 22:19:51,486 INFO L87 Difference]: Start difference. First operand 75 states and 79 transitions. cyclomatic complexity: 9 Second operand has 13 states, 12 states have (on average 2.6666666666666665) internal successors, (32), 13 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) [2022-12-13 22:19:51,606 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 22:19:51,606 INFO L93 Difference]: Finished difference Result 94 states and 95 transitions. [2022-12-13 22:19:51,606 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 94 states and 95 transitions. [2022-12-13 22:19:51,607 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2022-12-13 22:19:51,608 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 94 states to 72 states and 73 transitions. [2022-12-13 22:19:51,608 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 32 [2022-12-13 22:19:51,608 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 52 [2022-12-13 22:19:51,608 INFO L73 IsDeterministic]: Start isDeterministic. Operand 72 states and 73 transitions. [2022-12-13 22:19:51,609 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-12-13 22:19:51,609 INFO L218 hiAutomatonCegarLoop]: Abstraction has 72 states and 73 transitions. [2022-12-13 22:19:51,609 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 72 states and 73 transitions. [2022-12-13 22:19:51,611 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 72 to 72. [2022-12-13 22:19:51,612 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 72 states, 72 states have (on average 1.0138888888888888) internal successors, (73), 71 states have internal predecessors, (73), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 22:19:51,612 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 72 states and 73 transitions. [2022-12-13 22:19:51,613 INFO L240 hiAutomatonCegarLoop]: Abstraction has 72 states and 73 transitions. [2022-12-13 22:19:51,613 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-12-13 22:19:51,614 INFO L428 stractBuchiCegarLoop]: Abstraction has 72 states and 73 transitions. [2022-12-13 22:19:51,614 INFO L335 stractBuchiCegarLoop]: ======== Iteration 10 ============ [2022-12-13 22:19:51,614 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 72 states and 73 transitions. [2022-12-13 22:19:51,614 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2022-12-13 22:19:51,614 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-12-13 22:19:51,614 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-12-13 22:19:51,615 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [10, 10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 22:19:51,615 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2022-12-13 22:19:51,616 INFO L748 eck$LassoCheckResult]: Stem: 1935#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(10, 2); 1926#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet4#1, main_#t~post3#1, main_~i~1#1, main_#t~ret5#1, main_#t~mem6#1, main_#t~mem7#1, main_#t~ret8#1, main_#t~mem9#1, main_#t~mem11#1, main_#t~post10#1, main_~i~2#1, main_#t~ret12#1, main_~#x~0#1.base, main_~#x~0#1.offset, main_~temp~0#1, main_~ret~1#1, main_~ret2~0#1, main_~ret5~0#1;call main_~#x~0#1.base, main_~#x~0#1.offset := #Ultimate.allocOnStack(40);havoc main_~temp~0#1;havoc main_~ret~1#1;havoc main_~ret2~0#1;havoc main_~ret5~0#1;main_~i~1#1 := 0; 1927#L34-3 assume !!(main_~i~1#1 < 10);call write~int(main_#t~nondet4#1, main_~#x~0#1.base, main_~#x~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet4#1; 1930#L34-2 main_#t~post3#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post3#1;havoc main_#t~post3#1; 1931#L34-3 assume !!(main_~i~1#1 < 10);call write~int(main_#t~nondet4#1, main_~#x~0#1.base, main_~#x~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet4#1; 1937#L34-2 main_#t~post3#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post3#1;havoc main_#t~post3#1; 1972#L34-3 assume !!(main_~i~1#1 < 10);call write~int(main_#t~nondet4#1, main_~#x~0#1.base, main_~#x~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet4#1; 1970#L34-2 main_#t~post3#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post3#1;havoc main_#t~post3#1; 1968#L34-3 assume !!(main_~i~1#1 < 10);call write~int(main_#t~nondet4#1, main_~#x~0#1.base, main_~#x~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet4#1; 1966#L34-2 main_#t~post3#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post3#1;havoc main_#t~post3#1; 1964#L34-3 assume !!(main_~i~1#1 < 10);call write~int(main_#t~nondet4#1, main_~#x~0#1.base, main_~#x~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet4#1; 1962#L34-2 main_#t~post3#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post3#1;havoc main_#t~post3#1; 1960#L34-3 assume !!(main_~i~1#1 < 10);call write~int(main_#t~nondet4#1, main_~#x~0#1.base, main_~#x~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet4#1; 1958#L34-2 main_#t~post3#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post3#1;havoc main_#t~post3#1; 1956#L34-3 assume !!(main_~i~1#1 < 10);call write~int(main_#t~nondet4#1, main_~#x~0#1.base, main_~#x~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet4#1; 1954#L34-2 main_#t~post3#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post3#1;havoc main_#t~post3#1; 1952#L34-3 assume !!(main_~i~1#1 < 10);call write~int(main_#t~nondet4#1, main_~#x~0#1.base, main_~#x~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet4#1; 1950#L34-2 main_#t~post3#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post3#1;havoc main_#t~post3#1; 1948#L34-3 assume !!(main_~i~1#1 < 10);call write~int(main_#t~nondet4#1, main_~#x~0#1.base, main_~#x~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet4#1; 1946#L34-2 main_#t~post3#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post3#1;havoc main_#t~post3#1; 1944#L34-3 assume !!(main_~i~1#1 < 10);call write~int(main_#t~nondet4#1, main_~#x~0#1.base, main_~#x~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet4#1; 1940#L34-2 main_#t~post3#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post3#1;havoc main_#t~post3#1; 1939#L34-3 assume !(main_~i~1#1 < 10); 1920#L34-4 assume { :begin_inline_avg } true;avg_#in~x#1.base, avg_#in~x#1.offset := main_~#x~0#1.base, main_~#x~0#1.offset;havoc avg_#res#1;havoc avg_#t~mem2#1, avg_#t~post1#1, avg_~x#1.base, avg_~x#1.offset, avg_~i~0#1, avg_~ret~0#1;avg_~x#1.base, avg_~x#1.offset := avg_#in~x#1.base, avg_#in~x#1.offset;havoc avg_~i~0#1;havoc avg_~ret~0#1;avg_~ret~0#1 := 0;avg_~i~0#1 := 0; 1921#L20-3 assume !!(avg_~i~0#1 < 10);call avg_#t~mem2#1 := read~int(avg_~x#1.base, avg_~x#1.offset + 4 * avg_~i~0#1, 4);avg_~ret~0#1 := avg_~ret~0#1 + avg_#t~mem2#1;havoc avg_#t~mem2#1; 1934#L20-2 avg_#t~post1#1 := avg_~i~0#1;avg_~i~0#1 := 1 + avg_#t~post1#1;havoc avg_#t~post1#1; 1932#L20-3 assume !!(avg_~i~0#1 < 10);call avg_#t~mem2#1 := read~int(avg_~x#1.base, avg_~x#1.offset + 4 * avg_~i~0#1, 4);avg_~ret~0#1 := avg_~ret~0#1 + avg_#t~mem2#1;havoc avg_#t~mem2#1; 1933#L20-2 avg_#t~post1#1 := avg_~i~0#1;avg_~i~0#1 := 1 + avg_#t~post1#1;havoc avg_#t~post1#1; 1989#L20-3 assume !!(avg_~i~0#1 < 10);call avg_#t~mem2#1 := read~int(avg_~x#1.base, avg_~x#1.offset + 4 * avg_~i~0#1, 4);avg_~ret~0#1 := avg_~ret~0#1 + avg_#t~mem2#1;havoc avg_#t~mem2#1; 1988#L20-2 avg_#t~post1#1 := avg_~i~0#1;avg_~i~0#1 := 1 + avg_#t~post1#1;havoc avg_#t~post1#1; 1987#L20-3 assume !!(avg_~i~0#1 < 10);call avg_#t~mem2#1 := read~int(avg_~x#1.base, avg_~x#1.offset + 4 * avg_~i~0#1, 4);avg_~ret~0#1 := avg_~ret~0#1 + avg_#t~mem2#1;havoc avg_#t~mem2#1; 1986#L20-2 avg_#t~post1#1 := avg_~i~0#1;avg_~i~0#1 := 1 + avg_#t~post1#1;havoc avg_#t~post1#1; 1985#L20-3 assume !!(avg_~i~0#1 < 10);call avg_#t~mem2#1 := read~int(avg_~x#1.base, avg_~x#1.offset + 4 * avg_~i~0#1, 4);avg_~ret~0#1 := avg_~ret~0#1 + avg_#t~mem2#1;havoc avg_#t~mem2#1; 1984#L20-2 avg_#t~post1#1 := avg_~i~0#1;avg_~i~0#1 := 1 + avg_#t~post1#1;havoc avg_#t~post1#1; 1983#L20-3 assume !!(avg_~i~0#1 < 10);call avg_#t~mem2#1 := read~int(avg_~x#1.base, avg_~x#1.offset + 4 * avg_~i~0#1, 4);avg_~ret~0#1 := avg_~ret~0#1 + avg_#t~mem2#1;havoc avg_#t~mem2#1; 1982#L20-2 avg_#t~post1#1 := avg_~i~0#1;avg_~i~0#1 := 1 + avg_#t~post1#1;havoc avg_#t~post1#1; 1981#L20-3 assume !!(avg_~i~0#1 < 10);call avg_#t~mem2#1 := read~int(avg_~x#1.base, avg_~x#1.offset + 4 * avg_~i~0#1, 4);avg_~ret~0#1 := avg_~ret~0#1 + avg_#t~mem2#1;havoc avg_#t~mem2#1; 1980#L20-2 avg_#t~post1#1 := avg_~i~0#1;avg_~i~0#1 := 1 + avg_#t~post1#1;havoc avg_#t~post1#1; 1979#L20-3 assume !!(avg_~i~0#1 < 10);call avg_#t~mem2#1 := read~int(avg_~x#1.base, avg_~x#1.offset + 4 * avg_~i~0#1, 4);avg_~ret~0#1 := avg_~ret~0#1 + avg_#t~mem2#1;havoc avg_#t~mem2#1; 1978#L20-2 avg_#t~post1#1 := avg_~i~0#1;avg_~i~0#1 := 1 + avg_#t~post1#1;havoc avg_#t~post1#1; 1977#L20-3 assume !!(avg_~i~0#1 < 10);call avg_#t~mem2#1 := read~int(avg_~x#1.base, avg_~x#1.offset + 4 * avg_~i~0#1, 4);avg_~ret~0#1 := avg_~ret~0#1 + avg_#t~mem2#1;havoc avg_#t~mem2#1; 1976#L20-2 avg_#t~post1#1 := avg_~i~0#1;avg_~i~0#1 := 1 + avg_#t~post1#1;havoc avg_#t~post1#1; 1975#L20-3 assume !!(avg_~i~0#1 < 10);call avg_#t~mem2#1 := read~int(avg_~x#1.base, avg_~x#1.offset + 4 * avg_~i~0#1, 4);avg_~ret~0#1 := avg_~ret~0#1 + avg_#t~mem2#1;havoc avg_#t~mem2#1; 1974#L20-2 avg_#t~post1#1 := avg_~i~0#1;avg_~i~0#1 := 1 + avg_#t~post1#1;havoc avg_#t~post1#1; 1973#L20-3 assume !(avg_~i~0#1 < 10); 1928#L20-4 avg_#res#1 := (if (if avg_~ret~0#1 < 0 && 0 != avg_~ret~0#1 % 10 then 1 + avg_~ret~0#1 / 10 else avg_~ret~0#1 / 10) % 4294967296 <= 2147483647 then (if avg_~ret~0#1 < 0 && 0 != avg_~ret~0#1 % 10 then 1 + avg_~ret~0#1 / 10 else avg_~ret~0#1 / 10) % 4294967296 else (if avg_~ret~0#1 < 0 && 0 != avg_~ret~0#1 % 10 then 1 + avg_~ret~0#1 / 10 else avg_~ret~0#1 / 10) % 4294967296 - 4294967296); 1929#avg_returnLabel#1 main_#t~ret5#1 := avg_#res#1;assume { :end_inline_avg } true;main_~ret~1#1 := main_#t~ret5#1;havoc main_#t~ret5#1;call main_#t~mem6#1 := read~int(main_~#x~0#1.base, main_~#x~0#1.offset, 4);main_~temp~0#1 := main_#t~mem6#1;havoc main_#t~mem6#1;call main_#t~mem7#1 := read~int(main_~#x~0#1.base, 4 + main_~#x~0#1.offset, 4);call write~int(main_#t~mem7#1, main_~#x~0#1.base, main_~#x~0#1.offset, 4);havoc main_#t~mem7#1;call write~int(main_~temp~0#1, main_~#x~0#1.base, 4 + main_~#x~0#1.offset, 4);assume { :begin_inline_avg } true;avg_#in~x#1.base, avg_#in~x#1.offset := main_~#x~0#1.base, main_~#x~0#1.offset;havoc avg_#res#1;havoc avg_#t~mem2#1, avg_#t~post1#1, avg_~x#1.base, avg_~x#1.offset, avg_~i~0#1, avg_~ret~0#1;avg_~x#1.base, avg_~x#1.offset := avg_#in~x#1.base, avg_#in~x#1.offset;havoc avg_~i~0#1;havoc avg_~ret~0#1;avg_~ret~0#1 := 0;avg_~i~0#1 := 0; 1924#L20-8 assume !!(avg_~i~0#1 < 10);call avg_#t~mem2#1 := read~int(avg_~x#1.base, avg_~x#1.offset + 4 * avg_~i~0#1, 4);avg_~ret~0#1 := avg_~ret~0#1 + avg_#t~mem2#1;havoc avg_#t~mem2#1; 1925#L20-7 avg_#t~post1#1 := avg_~i~0#1;avg_~i~0#1 := 1 + avg_#t~post1#1;havoc avg_#t~post1#1; 1936#L20-8 assume !!(avg_~i~0#1 < 10);call avg_#t~mem2#1 := read~int(avg_~x#1.base, avg_~x#1.offset + 4 * avg_~i~0#1, 4);avg_~ret~0#1 := avg_~ret~0#1 + avg_#t~mem2#1;havoc avg_#t~mem2#1; 1971#L20-7 avg_#t~post1#1 := avg_~i~0#1;avg_~i~0#1 := 1 + avg_#t~post1#1;havoc avg_#t~post1#1; 1969#L20-8 assume !!(avg_~i~0#1 < 10);call avg_#t~mem2#1 := read~int(avg_~x#1.base, avg_~x#1.offset + 4 * avg_~i~0#1, 4);avg_~ret~0#1 := avg_~ret~0#1 + avg_#t~mem2#1;havoc avg_#t~mem2#1; 1967#L20-7 avg_#t~post1#1 := avg_~i~0#1;avg_~i~0#1 := 1 + avg_#t~post1#1;havoc avg_#t~post1#1; 1965#L20-8 assume !!(avg_~i~0#1 < 10);call avg_#t~mem2#1 := read~int(avg_~x#1.base, avg_~x#1.offset + 4 * avg_~i~0#1, 4);avg_~ret~0#1 := avg_~ret~0#1 + avg_#t~mem2#1;havoc avg_#t~mem2#1; 1963#L20-7 avg_#t~post1#1 := avg_~i~0#1;avg_~i~0#1 := 1 + avg_#t~post1#1;havoc avg_#t~post1#1; 1961#L20-8 assume !!(avg_~i~0#1 < 10);call avg_#t~mem2#1 := read~int(avg_~x#1.base, avg_~x#1.offset + 4 * avg_~i~0#1, 4);avg_~ret~0#1 := avg_~ret~0#1 + avg_#t~mem2#1;havoc avg_#t~mem2#1; 1959#L20-7 avg_#t~post1#1 := avg_~i~0#1;avg_~i~0#1 := 1 + avg_#t~post1#1;havoc avg_#t~post1#1; 1957#L20-8 assume !!(avg_~i~0#1 < 10);call avg_#t~mem2#1 := read~int(avg_~x#1.base, avg_~x#1.offset + 4 * avg_~i~0#1, 4);avg_~ret~0#1 := avg_~ret~0#1 + avg_#t~mem2#1;havoc avg_#t~mem2#1; 1955#L20-7 avg_#t~post1#1 := avg_~i~0#1;avg_~i~0#1 := 1 + avg_#t~post1#1;havoc avg_#t~post1#1; 1953#L20-8 assume !!(avg_~i~0#1 < 10);call avg_#t~mem2#1 := read~int(avg_~x#1.base, avg_~x#1.offset + 4 * avg_~i~0#1, 4);avg_~ret~0#1 := avg_~ret~0#1 + avg_#t~mem2#1;havoc avg_#t~mem2#1; 1951#L20-7 avg_#t~post1#1 := avg_~i~0#1;avg_~i~0#1 := 1 + avg_#t~post1#1;havoc avg_#t~post1#1; 1949#L20-8 assume !!(avg_~i~0#1 < 10);call avg_#t~mem2#1 := read~int(avg_~x#1.base, avg_~x#1.offset + 4 * avg_~i~0#1, 4);avg_~ret~0#1 := avg_~ret~0#1 + avg_#t~mem2#1;havoc avg_#t~mem2#1; 1947#L20-7 avg_#t~post1#1 := avg_~i~0#1;avg_~i~0#1 := 1 + avg_#t~post1#1;havoc avg_#t~post1#1; 1945#L20-8 assume !!(avg_~i~0#1 < 10);call avg_#t~mem2#1 := read~int(avg_~x#1.base, avg_~x#1.offset + 4 * avg_~i~0#1, 4);avg_~ret~0#1 := avg_~ret~0#1 + avg_#t~mem2#1;havoc avg_#t~mem2#1; 1943#L20-7 avg_#t~post1#1 := avg_~i~0#1;avg_~i~0#1 := 1 + avg_#t~post1#1;havoc avg_#t~post1#1; 1942#L20-8 assume !!(avg_~i~0#1 < 10);call avg_#t~mem2#1 := read~int(avg_~x#1.base, avg_~x#1.offset + 4 * avg_~i~0#1, 4);avg_~ret~0#1 := avg_~ret~0#1 + avg_#t~mem2#1;havoc avg_#t~mem2#1; 1941#L20-7 avg_#t~post1#1 := avg_~i~0#1;avg_~i~0#1 := 1 + avg_#t~post1#1;havoc avg_#t~post1#1; 1938#L20-8 assume !(avg_~i~0#1 < 10); 1918#L20-9 avg_#res#1 := (if (if avg_~ret~0#1 < 0 && 0 != avg_~ret~0#1 % 10 then 1 + avg_~ret~0#1 / 10 else avg_~ret~0#1 / 10) % 4294967296 <= 2147483647 then (if avg_~ret~0#1 < 0 && 0 != avg_~ret~0#1 % 10 then 1 + avg_~ret~0#1 / 10 else avg_~ret~0#1 / 10) % 4294967296 else (if avg_~ret~0#1 < 0 && 0 != avg_~ret~0#1 % 10 then 1 + avg_~ret~0#1 / 10 else avg_~ret~0#1 / 10) % 4294967296 - 4294967296); 1919#avg_returnLabel#2 main_#t~ret8#1 := avg_#res#1;assume { :end_inline_avg } true;main_~ret2~0#1 := main_#t~ret8#1;havoc main_#t~ret8#1;call main_#t~mem9#1 := read~int(main_~#x~0#1.base, main_~#x~0#1.offset, 4);main_~temp~0#1 := main_#t~mem9#1;havoc main_#t~mem9#1;main_~i~2#1 := 0; 1923#L43-3 [2022-12-13 22:19:51,616 INFO L750 eck$LassoCheckResult]: Loop: 1923#L43-3 assume !!(main_~i~2#1 < 9);call main_#t~mem11#1 := read~int(main_~#x~0#1.base, main_~#x~0#1.offset + 4 * (1 + main_~i~2#1), 4);call write~int(main_#t~mem11#1, main_~#x~0#1.base, main_~#x~0#1.offset + 4 * main_~i~2#1, 4);havoc main_#t~mem11#1; 1922#L43-2 main_#t~post10#1 := main_~i~2#1;main_~i~2#1 := 1 + main_#t~post10#1;havoc main_#t~post10#1; 1923#L43-3 [2022-12-13 22:19:51,616 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 22:19:51,616 INFO L85 PathProgramCache]: Analyzing trace with hash -1987708689, now seen corresponding path program 1 times [2022-12-13 22:19:51,616 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 22:19:51,617 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1975415716] [2022-12-13 22:19:51,617 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 22:19:51,617 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 22:19:51,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 22:19:51,742 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-13 22:19:51,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 22:19:51,820 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-12-13 22:19:51,821 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 22:19:51,821 INFO L85 PathProgramCache]: Analyzing trace with hash 2755, now seen corresponding path program 1 times [2022-12-13 22:19:51,821 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 22:19:51,821 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1490272942] [2022-12-13 22:19:51,821 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 22:19:51,821 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 22:19:51,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 22:19:51,825 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-13 22:19:51,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 22:19:51,828 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-12-13 22:19:51,828 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 22:19:51,828 INFO L85 PathProgramCache]: Analyzing trace with hash 1072398385, now seen corresponding path program 1 times [2022-12-13 22:19:51,828 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 22:19:51,828 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [978446873] [2022-12-13 22:19:51,828 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 22:19:51,828 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 22:19:51,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 22:19:51,918 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-13 22:19:51,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 22:19:51,993 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-12-13 22:20:16,199 WARN L233 SmtUtils]: Spent 24.15s on a formula simplification. DAG size of input: 557 DAG size of output: 419 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-12-13 22:24:29,085 WARN L233 SmtUtils]: Spent 4.04m on a formula simplification that was a NOOP. DAG size: 715 (called from [L 301] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-12-13 22:24:29,102 INFO L210 LassoAnalysis]: Preferences: [2022-12-13 22:24:29,102 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-12-13 22:24:29,102 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-12-13 22:24:29,102 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-12-13 22:24:29,102 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-12-13 22:24:29,102 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 22:24:29,102 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-12-13 22:24:29,102 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-12-13 22:24:29,102 INFO L133 ssoRankerPreferences]: Filename of dumped script: avg10-2.i_Iteration10_Lasso [2022-12-13 22:24:29,102 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-12-13 22:24:29,103 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-12-13 22:24:29,113 WARN L137 XnfTransformerHelper]: expecting exponential blowup for input size 12