./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/array-examples/standard_vararg_ground.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version e04fb08f Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0647a5f9-33a5-40d9-bdbd-a744074c3f1b/bin/uautomizer-tPACEb0tL8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0647a5f9-33a5-40d9-bdbd-a744074c3f1b/bin/uautomizer-tPACEb0tL8/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0647a5f9-33a5-40d9-bdbd-a744074c3f1b/bin/uautomizer-tPACEb0tL8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0647a5f9-33a5-40d9-bdbd-a744074c3f1b/bin/uautomizer-tPACEb0tL8/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/array-examples/standard_vararg_ground.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0647a5f9-33a5-40d9-bdbd-a744074c3f1b/bin/uautomizer-tPACEb0tL8/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0647a5f9-33a5-40d9-bdbd-a744074c3f1b/bin/uautomizer-tPACEb0tL8 --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 28ac72543f751666908cbd68a77fa11ffe4dd886016c3996df45b97bb42d5078 --- 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-e04fb08 [2022-11-16 12:39:35,477 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-16 12:39:35,480 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-16 12:39:35,504 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-16 12:39:35,504 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-16 12:39:35,505 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-16 12:39:35,507 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-16 12:39:35,508 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-16 12:39:35,510 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-16 12:39:35,511 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-16 12:39:35,512 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-16 12:39:35,514 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-16 12:39:35,514 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-16 12:39:35,515 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-16 12:39:35,517 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-16 12:39:35,518 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-16 12:39:35,519 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-16 12:39:35,520 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-16 12:39:35,522 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-16 12:39:35,524 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-16 12:39:35,526 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-16 12:39:35,527 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-16 12:39:35,528 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-16 12:39:35,529 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-16 12:39:35,533 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-16 12:39:35,534 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-16 12:39:35,534 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-16 12:39:35,535 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-16 12:39:35,536 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-16 12:39:35,537 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-16 12:39:35,537 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-16 12:39:35,538 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-16 12:39:35,539 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-16 12:39:35,540 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-16 12:39:35,541 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-16 12:39:35,542 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-16 12:39:35,542 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-16 12:39:35,543 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-16 12:39:35,543 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-16 12:39:35,544 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-16 12:39:35,545 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-16 12:39:35,546 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0647a5f9-33a5-40d9-bdbd-a744074c3f1b/bin/uautomizer-tPACEb0tL8/config/svcomp-Termination-32bit-Automizer_Default.epf [2022-11-16 12:39:35,569 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-16 12:39:35,570 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-16 12:39:35,570 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-16 12:39:35,570 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-16 12:39:35,572 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-16 12:39:35,572 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-16 12:39:35,572 INFO L138 SettingsManager]: * Use SBE=true [2022-11-16 12:39:35,573 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2022-11-16 12:39:35,573 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2022-11-16 12:39:35,573 INFO L138 SettingsManager]: * Use old map elimination=false [2022-11-16 12:39:35,573 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2022-11-16 12:39:35,573 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2022-11-16 12:39:35,574 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2022-11-16 12:39:35,574 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-16 12:39:35,574 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-16 12:39:35,574 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-16 12:39:35,575 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-16 12:39:35,575 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-16 12:39:35,575 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-16 12:39:35,575 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2022-11-16 12:39:35,575 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2022-11-16 12:39:35,576 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2022-11-16 12:39:35,576 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-16 12:39:35,576 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-16 12:39:35,576 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2022-11-16 12:39:35,576 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-16 12:39:35,577 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2022-11-16 12:39:35,577 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-16 12:39:35,577 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-16 12:39:35,577 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-16 12:39:35,578 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-16 12:39:35,579 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2022-11-16 12:39:35,579 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_0647a5f9-33a5-40d9-bdbd-a744074c3f1b/bin/uautomizer-tPACEb0tL8/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0647a5f9-33a5-40d9-bdbd-a744074c3f1b/bin/uautomizer-tPACEb0tL8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 28ac72543f751666908cbd68a77fa11ffe4dd886016c3996df45b97bb42d5078 [2022-11-16 12:39:35,860 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-16 12:39:35,893 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-16 12:39:35,895 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-16 12:39:35,897 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-16 12:39:35,897 INFO L275 PluginConnector]: CDTParser initialized [2022-11-16 12:39:35,899 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0647a5f9-33a5-40d9-bdbd-a744074c3f1b/bin/uautomizer-tPACEb0tL8/../../sv-benchmarks/c/array-examples/standard_vararg_ground.i [2022-11-16 12:39:35,982 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0647a5f9-33a5-40d9-bdbd-a744074c3f1b/bin/uautomizer-tPACEb0tL8/data/dba368a65/98a34266409b4759a94e7ee308fdf635/FLAG4ee34f06d [2022-11-16 12:39:36,536 INFO L306 CDTParser]: Found 1 translation units. [2022-11-16 12:39:36,537 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0647a5f9-33a5-40d9-bdbd-a744074c3f1b/sv-benchmarks/c/array-examples/standard_vararg_ground.i [2022-11-16 12:39:36,544 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0647a5f9-33a5-40d9-bdbd-a744074c3f1b/bin/uautomizer-tPACEb0tL8/data/dba368a65/98a34266409b4759a94e7ee308fdf635/FLAG4ee34f06d [2022-11-16 12:39:36,905 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0647a5f9-33a5-40d9-bdbd-a744074c3f1b/bin/uautomizer-tPACEb0tL8/data/dba368a65/98a34266409b4759a94e7ee308fdf635 [2022-11-16 12:39:36,907 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-16 12:39:36,909 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-16 12:39:36,910 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-16 12:39:36,911 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-16 12:39:36,914 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-16 12:39:36,915 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 12:39:36" (1/1) ... [2022-11-16 12:39:36,916 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1abc9c18 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:39:36, skipping insertion in model container [2022-11-16 12:39:36,916 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 12:39:36" (1/1) ... [2022-11-16 12:39:36,924 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-16 12:39:36,938 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-16 12:39:37,110 WARN L229 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_0647a5f9-33a5-40d9-bdbd-a744074c3f1b/sv-benchmarks/c/array-examples/standard_vararg_ground.i[815,828] [2022-11-16 12:39:37,127 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-16 12:39:37,138 INFO L203 MainTranslator]: Completed pre-run [2022-11-16 12:39:37,156 WARN L229 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_0647a5f9-33a5-40d9-bdbd-a744074c3f1b/sv-benchmarks/c/array-examples/standard_vararg_ground.i[815,828] [2022-11-16 12:39:37,162 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-16 12:39:37,173 INFO L208 MainTranslator]: Completed translation [2022-11-16 12:39:37,173 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:39:37 WrapperNode [2022-11-16 12:39:37,173 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-16 12:39:37,174 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-16 12:39:37,174 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-16 12:39:37,175 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-16 12:39:37,182 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:39:37" (1/1) ... [2022-11-16 12:39:37,188 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:39:37" (1/1) ... [2022-11-16 12:39:37,206 INFO L138 Inliner]: procedures = 16, calls = 13, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 54 [2022-11-16 12:39:37,206 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-16 12:39:37,207 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-16 12:39:37,207 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-16 12:39:37,207 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-16 12:39:37,216 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:39:37" (1/1) ... [2022-11-16 12:39:37,216 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:39:37" (1/1) ... [2022-11-16 12:39:37,218 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:39:37" (1/1) ... [2022-11-16 12:39:37,218 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:39:37" (1/1) ... [2022-11-16 12:39:37,222 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:39:37" (1/1) ... [2022-11-16 12:39:37,226 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:39:37" (1/1) ... [2022-11-16 12:39:37,227 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:39:37" (1/1) ... [2022-11-16 12:39:37,228 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:39:37" (1/1) ... [2022-11-16 12:39:37,229 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-16 12:39:37,230 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-16 12:39:37,230 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-16 12:39:37,230 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-16 12:39:37,231 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:39:37" (1/1) ... [2022-11-16 12:39:37,238 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:39:37,249 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0647a5f9-33a5-40d9-bdbd-a744074c3f1b/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:39:37,265 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0647a5f9-33a5-40d9-bdbd-a744074c3f1b/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 12:39:37,294 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0647a5f9-33a5-40d9-bdbd-a744074c3f1b/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2022-11-16 12:39:37,308 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-16 12:39:37,309 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-16 12:39:37,309 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-16 12:39:37,309 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-16 12:39:37,309 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-16 12:39:37,309 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-16 12:39:37,309 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-16 12:39:37,310 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-16 12:39:37,383 INFO L235 CfgBuilder]: Building ICFG [2022-11-16 12:39:37,385 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-16 12:39:37,516 INFO L276 CfgBuilder]: Performing block encoding [2022-11-16 12:39:37,524 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-16 12:39:37,524 INFO L300 CfgBuilder]: Removed 3 assume(true) statements. [2022-11-16 12:39:37,526 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 12:39:37 BoogieIcfgContainer [2022-11-16 12:39:37,526 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-16 12:39:37,529 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2022-11-16 12:39:37,529 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2022-11-16 12:39:37,533 INFO L275 PluginConnector]: BuchiAutomizer initialized [2022-11-16 12:39:37,534 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-11-16 12:39:37,534 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 16.11 12:39:36" (1/3) ... [2022-11-16 12:39:37,535 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@14bf44ad and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 16.11 12:39:37, skipping insertion in model container [2022-11-16 12:39:37,535 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-11-16 12:39:37,536 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:39:37" (2/3) ... [2022-11-16 12:39:37,536 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@14bf44ad and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 16.11 12:39:37, skipping insertion in model container [2022-11-16 12:39:37,536 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-11-16 12:39:37,537 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 12:39:37" (3/3) ... [2022-11-16 12:39:37,538 INFO L332 chiAutomizerObserver]: Analyzing ICFG standard_vararg_ground.i [2022-11-16 12:39:37,642 INFO L303 stractBuchiCegarLoop]: Interprodecural is true [2022-11-16 12:39:37,642 INFO L304 stractBuchiCegarLoop]: Hoare is false [2022-11-16 12:39:37,642 INFO L305 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2022-11-16 12:39:37,643 INFO L306 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2022-11-16 12:39:37,643 INFO L307 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2022-11-16 12:39:37,643 INFO L308 stractBuchiCegarLoop]: Difference is false [2022-11-16 12:39:37,643 INFO L309 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2022-11-16 12:39:37,643 INFO L313 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2022-11-16 12:39:37,654 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 16 states, 15 states have (on average 1.4666666666666666) internal successors, (22), 15 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:39:37,691 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 9 [2022-11-16 12:39:37,691 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-16 12:39:37,691 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-16 12:39:37,699 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2022-11-16 12:39:37,700 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2022-11-16 12:39:37,700 INFO L335 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2022-11-16 12:39:37,700 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 16 states, 15 states have (on average 1.4666666666666666) internal successors, (22), 15 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:39:37,703 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 9 [2022-11-16 12:39:37,704 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-16 12:39:37,704 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-16 12:39:37,705 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2022-11-16 12:39:37,705 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2022-11-16 12:39:37,713 INFO L748 eck$LassoCheckResult]: Stem: 3#ULTIMATE.startENTRYtrue 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(25, 2); 8#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet2#1, main_#t~post1#1, main_~i~0#1, main_#t~post4#1, main_#t~mem3#1, main_#t~mem6#1, main_#t~post5#1, main_~#aa~0#1.base, main_~#aa~0#1.offset, main_~a~0#1, main_~x~0#1;call main_~#aa~0#1.base, main_~#aa~0#1.offset := #Ultimate.allocOnStack(400000);main_~a~0#1 := 0;main_~i~0#1 := 0; 14#L20-3true [2022-11-16 12:39:37,715 INFO L750 eck$LassoCheckResult]: Loop: 14#L20-3true assume !!(main_~i~0#1 < 100000);call write~int(main_#t~nondet2#1, main_~#aa~0#1.base, main_~#aa~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet2#1; 15#L20-2true main_#t~post1#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post1#1;havoc main_#t~post1#1; 14#L20-3true [2022-11-16 12:39:37,721 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:39:37,722 INFO L85 PathProgramCache]: Analyzing trace with hash 963, now seen corresponding path program 1 times [2022-11-16 12:39:37,732 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 12:39:37,733 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1018446447] [2022-11-16 12:39:37,734 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:39:37,735 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 12:39:37,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 12:39:37,865 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-16 12:39:37,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 12:39:37,908 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-16 12:39:37,911 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:39:37,911 INFO L85 PathProgramCache]: Analyzing trace with hash 1283, now seen corresponding path program 1 times [2022-11-16 12:39:37,912 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 12:39:37,913 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1034732952] [2022-11-16 12:39:37,913 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:39:37,914 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 12:39:37,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 12:39:37,939 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-16 12:39:37,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 12:39:37,957 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-16 12:39:37,963 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:39:37,964 INFO L85 PathProgramCache]: Analyzing trace with hash 925765, now seen corresponding path program 1 times [2022-11-16 12:39:37,964 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 12:39:37,964 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1026847412] [2022-11-16 12:39:37,964 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:39:37,965 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 12:39:37,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 12:39:37,990 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-16 12:39:38,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 12:39:38,009 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-16 12:39:38,479 INFO L210 LassoAnalysis]: Preferences: [2022-11-16 12:39:38,479 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-11-16 12:39:38,480 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-11-16 12:39:38,480 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-11-16 12:39:38,480 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-11-16 12:39:38,480 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:39:38,480 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-11-16 12:39:38,480 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-11-16 12:39:38,481 INFO L133 ssoRankerPreferences]: Filename of dumped script: standard_vararg_ground.i_Iteration1_Lasso [2022-11-16 12:39:38,481 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-11-16 12:39:38,481 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-11-16 12:39:38,502 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:39:38,514 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:39:38,517 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:39:38,521 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:39:38,524 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:39:38,527 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:39:38,531 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:39:38,534 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:39:38,536 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:39:38,786 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:39:38,789 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:39:39,058 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-11-16 12:39:39,063 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-11-16 12:39:39,065 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:39:39,065 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0647a5f9-33a5-40d9-bdbd-a744074c3f1b/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:39:39,068 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0647a5f9-33a5-40d9-bdbd-a744074c3f1b/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 12:39:39,076 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 [2022-11-16 12:39:39,090 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0647a5f9-33a5-40d9-bdbd-a744074c3f1b/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2022-11-16 12:39:39,090 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 12:39:39,091 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 12:39:39,091 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 12:39:39,091 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 12:39:39,099 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-16 12:39:39,099 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-16 12:39:39,113 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 12:39:39,123 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0647a5f9-33a5-40d9-bdbd-a744074c3f1b/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Forceful destruction successful, exit code 0 [2022-11-16 12:39:39,125 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:39:39,125 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0647a5f9-33a5-40d9-bdbd-a744074c3f1b/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:39:39,126 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0647a5f9-33a5-40d9-bdbd-a744074c3f1b/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 12:39:39,136 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 [2022-11-16 12:39:39,149 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 12:39:39,149 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-16 12:39:39,149 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 12:39:39,149 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 12:39:39,150 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 12:39:39,151 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-16 12:39:39,151 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-16 12:39:39,153 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0647a5f9-33a5-40d9-bdbd-a744074c3f1b/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2022-11-16 12:39:39,163 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 12:39:39,171 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0647a5f9-33a5-40d9-bdbd-a744074c3f1b/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Forceful destruction successful, exit code 0 [2022-11-16 12:39:39,172 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:39:39,172 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0647a5f9-33a5-40d9-bdbd-a744074c3f1b/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:39:39,174 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0647a5f9-33a5-40d9-bdbd-a744074c3f1b/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 12:39:39,183 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 [2022-11-16 12:39:39,197 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0647a5f9-33a5-40d9-bdbd-a744074c3f1b/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2022-11-16 12:39:39,198 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 12:39:39,198 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 12:39:39,199 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 12:39:39,199 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 12:39:39,203 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-16 12:39:39,203 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-16 12:39:39,219 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 12:39:39,228 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0647a5f9-33a5-40d9-bdbd-a744074c3f1b/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Forceful destruction successful, exit code 0 [2022-11-16 12:39:39,228 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:39:39,228 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0647a5f9-33a5-40d9-bdbd-a744074c3f1b/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:39:39,230 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0647a5f9-33a5-40d9-bdbd-a744074c3f1b/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 12:39:39,239 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 [2022-11-16 12:39:39,253 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0647a5f9-33a5-40d9-bdbd-a744074c3f1b/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2022-11-16 12:39:39,253 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 12:39:39,253 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-16 12:39:39,254 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 12:39:39,254 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 12:39:39,254 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 12:39:39,255 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-16 12:39:39,255 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-16 12:39:39,269 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 12:39:39,278 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0647a5f9-33a5-40d9-bdbd-a744074c3f1b/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Forceful destruction successful, exit code 0 [2022-11-16 12:39:39,278 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:39:39,278 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0647a5f9-33a5-40d9-bdbd-a744074c3f1b/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:39:39,281 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0647a5f9-33a5-40d9-bdbd-a744074c3f1b/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 12:39:39,291 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 [2022-11-16 12:39:39,304 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 12:39:39,304 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-16 12:39:39,304 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 12:39:39,304 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 12:39:39,305 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 12:39:39,306 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-16 12:39:39,306 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-16 12:39:39,308 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0647a5f9-33a5-40d9-bdbd-a744074c3f1b/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2022-11-16 12:39:39,323 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 12:39:39,326 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0647a5f9-33a5-40d9-bdbd-a744074c3f1b/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Ended with exit code 0 [2022-11-16 12:39:39,326 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:39:39,326 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0647a5f9-33a5-40d9-bdbd-a744074c3f1b/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:39:39,327 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0647a5f9-33a5-40d9-bdbd-a744074c3f1b/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 12:39:39,330 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0647a5f9-33a5-40d9-bdbd-a744074c3f1b/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2022-11-16 12:39:39,331 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 [2022-11-16 12:39:39,342 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 12:39:39,342 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 12:39:39,342 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 12:39:39,342 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 12:39:39,355 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-16 12:39:39,355 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-16 12:39:39,371 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 12:39:39,379 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0647a5f9-33a5-40d9-bdbd-a744074c3f1b/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Forceful destruction successful, exit code 0 [2022-11-16 12:39:39,380 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:39:39,380 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0647a5f9-33a5-40d9-bdbd-a744074c3f1b/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:39:39,381 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0647a5f9-33a5-40d9-bdbd-a744074c3f1b/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 12:39:39,388 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 [2022-11-16 12:39:39,397 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0647a5f9-33a5-40d9-bdbd-a744074c3f1b/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2022-11-16 12:39:39,403 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 12:39:39,403 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-16 12:39:39,403 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 12:39:39,404 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 12:39:39,404 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 12:39:39,405 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-16 12:39:39,405 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-16 12:39:39,414 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 12:39:39,422 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0647a5f9-33a5-40d9-bdbd-a744074c3f1b/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Forceful destruction successful, exit code 0 [2022-11-16 12:39:39,423 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:39:39,423 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0647a5f9-33a5-40d9-bdbd-a744074c3f1b/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:39:39,427 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0647a5f9-33a5-40d9-bdbd-a744074c3f1b/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 12:39:39,431 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0647a5f9-33a5-40d9-bdbd-a744074c3f1b/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2022-11-16 12:39:39,433 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 [2022-11-16 12:39:39,443 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 12:39:39,443 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-16 12:39:39,444 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 12:39:39,444 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 12:39:39,444 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 12:39:39,445 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-16 12:39:39,445 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-16 12:39:39,456 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 12:39:39,463 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0647a5f9-33a5-40d9-bdbd-a744074c3f1b/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Forceful destruction successful, exit code 0 [2022-11-16 12:39:39,463 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:39:39,463 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0647a5f9-33a5-40d9-bdbd-a744074c3f1b/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:39:39,465 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0647a5f9-33a5-40d9-bdbd-a744074c3f1b/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 12:39:39,472 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 [2022-11-16 12:39:39,484 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0647a5f9-33a5-40d9-bdbd-a744074c3f1b/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Waiting until timeout for monitored process [2022-11-16 12:39:39,485 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 12:39:39,485 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 12:39:39,485 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 12:39:39,485 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 12:39:39,493 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-16 12:39:39,493 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-16 12:39:39,512 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 12:39:39,521 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0647a5f9-33a5-40d9-bdbd-a744074c3f1b/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Forceful destruction successful, exit code 0 [2022-11-16 12:39:39,521 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:39:39,521 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0647a5f9-33a5-40d9-bdbd-a744074c3f1b/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:39:39,522 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0647a5f9-33a5-40d9-bdbd-a744074c3f1b/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 12:39:39,527 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0647a5f9-33a5-40d9-bdbd-a744074c3f1b/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Waiting until timeout for monitored process [2022-11-16 12:39:39,528 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 [2022-11-16 12:39:39,540 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 12:39:39,541 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 12:39:39,541 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 12:39:39,541 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 12:39:39,544 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-16 12:39:39,544 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-16 12:39:39,557 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 12:39:39,567 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0647a5f9-33a5-40d9-bdbd-a744074c3f1b/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Forceful destruction successful, exit code 0 [2022-11-16 12:39:39,567 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:39:39,567 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0647a5f9-33a5-40d9-bdbd-a744074c3f1b/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:39:39,569 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0647a5f9-33a5-40d9-bdbd-a744074c3f1b/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 12:39:39,572 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0647a5f9-33a5-40d9-bdbd-a744074c3f1b/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Waiting until timeout for monitored process [2022-11-16 12:39:39,573 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 [2022-11-16 12:39:39,587 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 12:39:39,587 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 12:39:39,587 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 12:39:39,587 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 12:39:39,597 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-16 12:39:39,597 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-16 12:39:39,615 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 12:39:39,620 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0647a5f9-33a5-40d9-bdbd-a744074c3f1b/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Forceful destruction successful, exit code 0 [2022-11-16 12:39:39,620 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:39:39,620 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0647a5f9-33a5-40d9-bdbd-a744074c3f1b/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:39:39,625 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0647a5f9-33a5-40d9-bdbd-a744074c3f1b/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 12:39:39,640 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 [2022-11-16 12:39:39,640 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0647a5f9-33a5-40d9-bdbd-a744074c3f1b/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Waiting until timeout for monitored process [2022-11-16 12:39:39,650 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 12:39:39,650 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 12:39:39,650 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 12:39:39,650 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 12:39:39,653 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-16 12:39:39,653 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-16 12:39:39,663 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 12:39:39,667 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0647a5f9-33a5-40d9-bdbd-a744074c3f1b/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Forceful destruction successful, exit code 0 [2022-11-16 12:39:39,668 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:39:39,668 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0647a5f9-33a5-40d9-bdbd-a744074c3f1b/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:39:39,669 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0647a5f9-33a5-40d9-bdbd-a744074c3f1b/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 12:39:39,671 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0647a5f9-33a5-40d9-bdbd-a744074c3f1b/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Waiting until timeout for monitored process [2022-11-16 12:39:39,674 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 [2022-11-16 12:39:39,684 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 12:39:39,684 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 12:39:39,684 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 12:39:39,684 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 12:39:39,695 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-16 12:39:39,695 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-16 12:39:39,722 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 12:39:39,733 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0647a5f9-33a5-40d9-bdbd-a744074c3f1b/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Forceful destruction successful, exit code 0 [2022-11-16 12:39:39,733 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:39:39,733 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0647a5f9-33a5-40d9-bdbd-a744074c3f1b/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:39:39,735 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0647a5f9-33a5-40d9-bdbd-a744074c3f1b/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 12:39:39,743 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 [2022-11-16 12:39:39,743 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0647a5f9-33a5-40d9-bdbd-a744074c3f1b/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Waiting until timeout for monitored process [2022-11-16 12:39:39,755 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 12:39:39,756 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 12:39:39,756 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 12:39:39,756 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 12:39:39,759 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-16 12:39:39,759 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-16 12:39:39,770 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 12:39:39,778 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0647a5f9-33a5-40d9-bdbd-a744074c3f1b/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Forceful destruction successful, exit code 0 [2022-11-16 12:39:39,779 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:39:39,779 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0647a5f9-33a5-40d9-bdbd-a744074c3f1b/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:39:39,780 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0647a5f9-33a5-40d9-bdbd-a744074c3f1b/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 12:39:39,784 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 [2022-11-16 12:39:39,796 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 12:39:39,796 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 12:39:39,796 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 12:39:39,796 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 12:39:39,800 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-16 12:39:39,800 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-16 12:39:39,802 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0647a5f9-33a5-40d9-bdbd-a744074c3f1b/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Waiting until timeout for monitored process [2022-11-16 12:39:39,812 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 12:39:39,815 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0647a5f9-33a5-40d9-bdbd-a744074c3f1b/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Forceful destruction successful, exit code 0 [2022-11-16 12:39:39,816 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:39:39,816 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0647a5f9-33a5-40d9-bdbd-a744074c3f1b/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:39:39,821 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0647a5f9-33a5-40d9-bdbd-a744074c3f1b/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 12:39:39,832 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 [2022-11-16 12:39:39,844 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 12:39:39,844 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-16 12:39:39,844 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 12:39:39,845 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 12:39:39,845 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 12:39:39,845 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-16 12:39:39,845 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-16 12:39:39,846 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0647a5f9-33a5-40d9-bdbd-a744074c3f1b/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Waiting until timeout for monitored process [2022-11-16 12:39:39,855 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 12:39:39,863 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0647a5f9-33a5-40d9-bdbd-a744074c3f1b/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Forceful destruction successful, exit code 0 [2022-11-16 12:39:39,863 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:39:39,863 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0647a5f9-33a5-40d9-bdbd-a744074c3f1b/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:39:39,865 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0647a5f9-33a5-40d9-bdbd-a744074c3f1b/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 12:39:39,868 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0647a5f9-33a5-40d9-bdbd-a744074c3f1b/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Waiting until timeout for monitored process [2022-11-16 12:39:39,869 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 [2022-11-16 12:39:39,880 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 12:39:39,880 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 12:39:39,880 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 12:39:39,880 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 12:39:39,883 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-16 12:39:39,883 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-16 12:39:39,895 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 12:39:39,903 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0647a5f9-33a5-40d9-bdbd-a744074c3f1b/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Forceful destruction successful, exit code 0 [2022-11-16 12:39:39,903 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:39:39,903 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0647a5f9-33a5-40d9-bdbd-a744074c3f1b/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:39:39,904 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0647a5f9-33a5-40d9-bdbd-a744074c3f1b/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 12:39:39,916 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 [2022-11-16 12:39:39,928 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 12:39:39,928 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 12:39:39,928 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 12:39:39,929 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 12:39:39,934 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0647a5f9-33a5-40d9-bdbd-a744074c3f1b/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Waiting until timeout for monitored process [2022-11-16 12:39:39,934 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-16 12:39:39,935 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-16 12:39:39,955 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 12:39:39,963 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0647a5f9-33a5-40d9-bdbd-a744074c3f1b/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Forceful destruction successful, exit code 0 [2022-11-16 12:39:39,964 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:39:39,964 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0647a5f9-33a5-40d9-bdbd-a744074c3f1b/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:39:39,965 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0647a5f9-33a5-40d9-bdbd-a744074c3f1b/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 12:39:39,982 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 [2022-11-16 12:39:39,994 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0647a5f9-33a5-40d9-bdbd-a744074c3f1b/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Waiting until timeout for monitored process [2022-11-16 12:39:39,995 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 12:39:39,995 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-16 12:39:39,995 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 12:39:39,996 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 12:39:39,996 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 12:39:39,996 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-16 12:39:39,996 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-16 12:39:40,006 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 12:39:40,009 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0647a5f9-33a5-40d9-bdbd-a744074c3f1b/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Forceful destruction successful, exit code 0 [2022-11-16 12:39:40,010 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:39:40,010 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0647a5f9-33a5-40d9-bdbd-a744074c3f1b/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:39:40,011 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0647a5f9-33a5-40d9-bdbd-a744074c3f1b/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 12:39:40,029 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 [2022-11-16 12:39:40,039 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0647a5f9-33a5-40d9-bdbd-a744074c3f1b/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Waiting until timeout for monitored process [2022-11-16 12:39:40,041 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 12:39:40,041 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 12:39:40,041 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 12:39:40,041 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 12:39:40,046 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-16 12:39:40,047 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-16 12:39:40,062 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2022-11-16 12:39:40,098 INFO L443 ModelExtractionUtils]: Simplification made 12 calls to the SMT solver. [2022-11-16 12:39:40,098 INFO L444 ModelExtractionUtils]: 0 out of 13 variables were initially zero. Simplification set additionally 10 variables to zero. [2022-11-16 12:39:40,100 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:39:40,100 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0647a5f9-33a5-40d9-bdbd-a744074c3f1b/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:39:40,104 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0647a5f9-33a5-40d9-bdbd-a744074c3f1b/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 12:39:40,126 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0647a5f9-33a5-40d9-bdbd-a744074c3f1b/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Waiting until timeout for monitored process [2022-11-16 12:39:40,127 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2022-11-16 12:39:40,157 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2022-11-16 12:39:40,157 INFO L513 LassoAnalysis]: Proved termination. [2022-11-16 12:39:40,157 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~i~0#1, v_rep(select #length ULTIMATE.start_main_~#aa~0#1.base)_1) = -8*ULTIMATE.start_main_~i~0#1 + 199999*v_rep(select #length ULTIMATE.start_main_~#aa~0#1.base)_1 Supporting invariants [] [2022-11-16 12:39:40,166 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0647a5f9-33a5-40d9-bdbd-a744074c3f1b/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Forceful destruction successful, exit code 0 [2022-11-16 12:39:40,184 INFO L156 tatePredicateManager]: 5 out of 5 supporting invariants were superfluous and have been removed [2022-11-16 12:39:40,224 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:39:40,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:39:40,247 INFO L263 TraceCheckSpWp]: Trace formula consists of 37 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-16 12:39:40,248 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 12:39:40,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:39:40,264 INFO L263 TraceCheckSpWp]: Trace formula consists of 13 conjuncts, 6 conjunts are in the unsatisfiable core [2022-11-16 12:39:40,264 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 12:39:40,298 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 12:39:40,334 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 [2022-11-16 12:39:40,336 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand has 16 states, 15 states have (on average 1.4666666666666666) internal successors, (22), 15 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) 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) [2022-11-16 12:39:40,417 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand has 16 states, 15 states have (on average 1.4666666666666666) internal successors, (22), 15 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0). 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 40 states and 56 transitions. Complement of second has 8 states. [2022-11-16 12:39:40,420 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 [2022-11-16 12:39:40,427 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) [2022-11-16 12:39:40,428 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 35 transitions. [2022-11-16 12:39:40,430 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 35 transitions. Stem has 2 letters. Loop has 2 letters. [2022-11-16 12:39:40,430 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-16 12:39:40,430 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 35 transitions. Stem has 4 letters. Loop has 2 letters. [2022-11-16 12:39:40,431 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-16 12:39:40,431 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 35 transitions. Stem has 2 letters. Loop has 4 letters. [2022-11-16 12:39:40,431 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-16 12:39:40,432 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 40 states and 56 transitions. [2022-11-16 12:39:40,439 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 6 [2022-11-16 12:39:40,445 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 40 states to 13 states and 16 transitions. [2022-11-16 12:39:40,446 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 10 [2022-11-16 12:39:40,446 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 11 [2022-11-16 12:39:40,447 INFO L73 IsDeterministic]: Start isDeterministic. Operand 13 states and 16 transitions. [2022-11-16 12:39:40,447 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-16 12:39:40,448 INFO L218 hiAutomatonCegarLoop]: Abstraction has 13 states and 16 transitions. [2022-11-16 12:39:40,465 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13 states and 16 transitions. [2022-11-16 12:39:40,474 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13 to 12. [2022-11-16 12:39:40,475 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12 states, 12 states have (on average 1.25) internal successors, (15), 11 states have internal predecessors, (15), 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) [2022-11-16 12:39:40,476 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 15 transitions. [2022-11-16 12:39:40,477 INFO L240 hiAutomatonCegarLoop]: Abstraction has 12 states and 15 transitions. [2022-11-16 12:39:40,477 INFO L428 stractBuchiCegarLoop]: Abstraction has 12 states and 15 transitions. [2022-11-16 12:39:40,477 INFO L335 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2022-11-16 12:39:40,477 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 12 states and 15 transitions. [2022-11-16 12:39:40,479 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 6 [2022-11-16 12:39:40,479 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-16 12:39:40,479 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-16 12:39:40,480 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1] [2022-11-16 12:39:40,480 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2022-11-16 12:39:40,481 INFO L748 eck$LassoCheckResult]: Stem: 117#ULTIMATE.startENTRY 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(25, 2); 118#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet2#1, main_#t~post1#1, main_~i~0#1, main_#t~post4#1, main_#t~mem3#1, main_#t~mem6#1, main_#t~post5#1, main_~#aa~0#1.base, main_~#aa~0#1.offset, main_~a~0#1, main_~x~0#1;call main_~#aa~0#1.base, main_~#aa~0#1.offset := #Ultimate.allocOnStack(400000);main_~a~0#1 := 0;main_~i~0#1 := 0; 122#L20-3 assume !(main_~i~0#1 < 100000); 115#L25-2 [2022-11-16 12:39:40,481 INFO L750 eck$LassoCheckResult]: Loop: 115#L25-2 call main_#t~mem3#1 := read~int(main_~#aa~0#1.base, main_~#aa~0#1.offset + 4 * main_~a~0#1, 4); 116#L25 assume !!(main_#t~mem3#1 >= 0);havoc main_#t~mem3#1;main_#t~post4#1 := main_~a~0#1;main_~a~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 115#L25-2 [2022-11-16 12:39:40,482 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:39:40,483 INFO L85 PathProgramCache]: Analyzing trace with hash 29861, now seen corresponding path program 1 times [2022-11-16 12:39:40,483 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 12:39:40,485 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [47113995] [2022-11-16 12:39:40,485 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:39:40,486 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 12:39:40,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:39:40,596 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 12:39:40,597 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 12:39:40,598 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [47113995] [2022-11-16 12:39:40,599 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [47113995] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 12:39:40,599 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 12:39:40,599 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-16 12:39:40,600 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [764148423] [2022-11-16 12:39:40,602 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 12:39:40,605 INFO L753 eck$LassoCheckResult]: stem already infeasible [2022-11-16 12:39:40,606 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:39:40,606 INFO L85 PathProgramCache]: Analyzing trace with hash 1574, now seen corresponding path program 1 times [2022-11-16 12:39:40,606 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 12:39:40,606 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1886221715] [2022-11-16 12:39:40,607 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:39:40,607 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 12:39:40,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 12:39:40,622 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-16 12:39:40,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 12:39:40,636 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-16 12:39:40,690 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 12:39:40,692 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-16 12:39:40,693 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-16 12:39:40,694 INFO L87 Difference]: Start difference. First operand 12 states and 15 transitions. cyclomatic complexity: 6 Second operand has 3 states, 2 states have (on average 1.5) internal successors, (3), 3 states have internal predecessors, (3), 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) [2022-11-16 12:39:40,709 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 12:39:40,710 INFO L93 Difference]: Finished difference Result 13 states and 15 transitions. [2022-11-16 12:39:40,710 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 13 states and 15 transitions. [2022-11-16 12:39:40,711 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 6 [2022-11-16 12:39:40,715 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 13 states to 13 states and 15 transitions. [2022-11-16 12:39:40,716 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 10 [2022-11-16 12:39:40,716 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 10 [2022-11-16 12:39:40,716 INFO L73 IsDeterministic]: Start isDeterministic. Operand 13 states and 15 transitions. [2022-11-16 12:39:40,716 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-16 12:39:40,716 INFO L218 hiAutomatonCegarLoop]: Abstraction has 13 states and 15 transitions. [2022-11-16 12:39:40,717 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13 states and 15 transitions. [2022-11-16 12:39:40,718 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13 to 12. [2022-11-16 12:39:40,718 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12 states, 12 states have (on average 1.1666666666666667) internal successors, (14), 11 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:39:40,719 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 14 transitions. [2022-11-16 12:39:40,719 INFO L240 hiAutomatonCegarLoop]: Abstraction has 12 states and 14 transitions. [2022-11-16 12:39:40,720 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-16 12:39:40,721 INFO L428 stractBuchiCegarLoop]: Abstraction has 12 states and 14 transitions. [2022-11-16 12:39:40,721 INFO L335 stractBuchiCegarLoop]: ======== Iteration 3 ============ [2022-11-16 12:39:40,721 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 12 states and 14 transitions. [2022-11-16 12:39:40,721 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 6 [2022-11-16 12:39:40,722 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-16 12:39:40,722 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-16 12:39:40,722 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2022-11-16 12:39:40,722 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2022-11-16 12:39:40,722 INFO L748 eck$LassoCheckResult]: Stem: 148#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(25, 2); 149#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet2#1, main_#t~post1#1, main_~i~0#1, main_#t~post4#1, main_#t~mem3#1, main_#t~mem6#1, main_#t~post5#1, main_~#aa~0#1.base, main_~#aa~0#1.offset, main_~a~0#1, main_~x~0#1;call main_~#aa~0#1.base, main_~#aa~0#1.offset := #Ultimate.allocOnStack(400000);main_~a~0#1 := 0;main_~i~0#1 := 0; 153#L20-3 assume !!(main_~i~0#1 < 100000);call write~int(main_#t~nondet2#1, main_~#aa~0#1.base, main_~#aa~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet2#1; 154#L20-2 main_#t~post1#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post1#1;havoc main_#t~post1#1; 155#L20-3 assume !(main_~i~0#1 < 100000); 146#L25-2 [2022-11-16 12:39:40,723 INFO L750 eck$LassoCheckResult]: Loop: 146#L25-2 call main_#t~mem3#1 := read~int(main_~#aa~0#1.base, main_~#aa~0#1.offset + 4 * main_~a~0#1, 4); 147#L25 assume !!(main_#t~mem3#1 >= 0);havoc main_#t~mem3#1;main_#t~post4#1 := main_~a~0#1;main_~a~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 146#L25-2 [2022-11-16 12:39:40,723 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:39:40,723 INFO L85 PathProgramCache]: Analyzing trace with hash 28698723, now seen corresponding path program 1 times [2022-11-16 12:39:40,724 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 12:39:40,728 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [218563335] [2022-11-16 12:39:40,728 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:39:40,729 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 12:39:40,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:39:40,794 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 12:39:40,795 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 12:39:40,795 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [218563335] [2022-11-16 12:39:40,795 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [218563335] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-16 12:39:40,796 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1584186547] [2022-11-16 12:39:40,796 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:39:40,796 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-16 12:39:40,796 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0647a5f9-33a5-40d9-bdbd-a744074c3f1b/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:39:40,797 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0647a5f9-33a5-40d9-bdbd-a744074c3f1b/bin/uautomizer-tPACEb0tL8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-16 12:39:40,815 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0647a5f9-33a5-40d9-bdbd-a744074c3f1b/bin/uautomizer-tPACEb0tL8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (23)] Waiting until timeout for monitored process [2022-11-16 12:39:40,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:39:40,851 INFO L263 TraceCheckSpWp]: Trace formula consists of 49 conjuncts, 3 conjunts are in the unsatisfiable core [2022-11-16 12:39:40,852 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 12:39:40,871 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 12:39:40,871 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-16 12:39:40,894 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 12:39:40,895 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1584186547] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-16 12:39:40,895 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-16 12:39:40,895 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3, 3] total 6 [2022-11-16 12:39:40,896 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [51993560] [2022-11-16 12:39:40,896 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-16 12:39:40,897 INFO L753 eck$LassoCheckResult]: stem already infeasible [2022-11-16 12:39:40,897 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:39:40,897 INFO L85 PathProgramCache]: Analyzing trace with hash 1574, now seen corresponding path program 2 times [2022-11-16 12:39:40,898 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 12:39:40,898 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1914849763] [2022-11-16 12:39:40,898 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:39:40,898 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 12:39:40,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 12:39:40,905 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-16 12:39:40,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 12:39:40,919 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-16 12:39:40,967 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 12:39:40,968 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-11-16 12:39:40,968 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2022-11-16 12:39:40,968 INFO L87 Difference]: Start difference. First operand 12 states and 14 transitions. cyclomatic complexity: 5 Second operand has 7 states, 6 states have (on average 2.0) internal successors, (12), 7 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:39:41,004 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 12:39:41,004 INFO L93 Difference]: Finished difference Result 18 states and 20 transitions. [2022-11-16 12:39:41,004 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 18 states and 20 transitions. [2022-11-16 12:39:41,006 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 6 [2022-11-16 12:39:41,007 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 18 states to 18 states and 20 transitions. [2022-11-16 12:39:41,007 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 10 [2022-11-16 12:39:41,008 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 10 [2022-11-16 12:39:41,008 INFO L73 IsDeterministic]: Start isDeterministic. Operand 18 states and 20 transitions. [2022-11-16 12:39:41,008 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-16 12:39:41,009 INFO L218 hiAutomatonCegarLoop]: Abstraction has 18 states and 20 transitions. [2022-11-16 12:39:41,009 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18 states and 20 transitions. [2022-11-16 12:39:41,010 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18 to 18. [2022-11-16 12:39:41,011 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18 states, 18 states have (on average 1.1111111111111112) internal successors, (20), 17 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:39:41,015 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 20 transitions. [2022-11-16 12:39:41,016 INFO L240 hiAutomatonCegarLoop]: Abstraction has 18 states and 20 transitions. [2022-11-16 12:39:41,016 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-16 12:39:41,017 INFO L428 stractBuchiCegarLoop]: Abstraction has 18 states and 20 transitions. [2022-11-16 12:39:41,017 INFO L335 stractBuchiCegarLoop]: ======== Iteration 4 ============ [2022-11-16 12:39:41,017 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 18 states and 20 transitions. [2022-11-16 12:39:41,018 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 6 [2022-11-16 12:39:41,018 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-16 12:39:41,018 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-16 12:39:41,019 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [4, 4, 1, 1, 1] [2022-11-16 12:39:41,019 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2022-11-16 12:39:41,019 INFO L748 eck$LassoCheckResult]: Stem: 212#ULTIMATE.startENTRY 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(25, 2); 213#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet2#1, main_#t~post1#1, main_~i~0#1, main_#t~post4#1, main_#t~mem3#1, main_#t~mem6#1, main_#t~post5#1, main_~#aa~0#1.base, main_~#aa~0#1.offset, main_~a~0#1, main_~x~0#1;call main_~#aa~0#1.base, main_~#aa~0#1.offset := #Ultimate.allocOnStack(400000);main_~a~0#1 := 0;main_~i~0#1 := 0; 217#L20-3 assume !!(main_~i~0#1 < 100000);call write~int(main_#t~nondet2#1, main_~#aa~0#1.base, main_~#aa~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet2#1; 218#L20-2 main_#t~post1#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post1#1;havoc main_#t~post1#1; 219#L20-3 assume !!(main_~i~0#1 < 100000);call write~int(main_#t~nondet2#1, main_~#aa~0#1.base, main_~#aa~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet2#1; 220#L20-2 main_#t~post1#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post1#1;havoc main_#t~post1#1; 227#L20-3 assume !!(main_~i~0#1 < 100000);call write~int(main_#t~nondet2#1, main_~#aa~0#1.base, main_~#aa~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet2#1; 226#L20-2 main_#t~post1#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post1#1;havoc main_#t~post1#1; 225#L20-3 assume !!(main_~i~0#1 < 100000);call write~int(main_#t~nondet2#1, main_~#aa~0#1.base, main_~#aa~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet2#1; 224#L20-2 main_#t~post1#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post1#1;havoc main_#t~post1#1; 223#L20-3 assume !(main_~i~0#1 < 100000); 210#L25-2 [2022-11-16 12:39:41,019 INFO L750 eck$LassoCheckResult]: Loop: 210#L25-2 call main_#t~mem3#1 := read~int(main_~#aa~0#1.base, main_~#aa~0#1.offset + 4 * main_~a~0#1, 4); 211#L25 assume !!(main_#t~mem3#1 >= 0);havoc main_#t~mem3#1;main_#t~post4#1 := main_~a~0#1;main_~a~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 210#L25-2 [2022-11-16 12:39:41,020 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:39:41,020 INFO L85 PathProgramCache]: Analyzing trace with hash -1081477475, now seen corresponding path program 2 times [2022-11-16 12:39:41,020 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 12:39:41,020 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1307452065] [2022-11-16 12:39:41,021 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:39:41,021 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 12:39:41,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:39:41,141 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 12:39:41,141 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 12:39:41,142 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1307452065] [2022-11-16 12:39:41,142 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1307452065] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-16 12:39:41,142 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [957880393] [2022-11-16 12:39:41,142 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-11-16 12:39:41,142 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-16 12:39:41,143 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0647a5f9-33a5-40d9-bdbd-a744074c3f1b/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:39:41,174 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0647a5f9-33a5-40d9-bdbd-a744074c3f1b/bin/uautomizer-tPACEb0tL8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-16 12:39:41,187 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0647a5f9-33a5-40d9-bdbd-a744074c3f1b/bin/uautomizer-tPACEb0tL8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (24)] Waiting until timeout for monitored process [2022-11-16 12:39:41,236 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-11-16 12:39:41,236 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-16 12:39:41,237 INFO L263 TraceCheckSpWp]: Trace formula consists of 82 conjuncts, 6 conjunts are in the unsatisfiable core [2022-11-16 12:39:41,239 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 12:39:41,272 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 12:39:41,273 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-16 12:39:41,352 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 12:39:41,352 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [957880393] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-16 12:39:41,352 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-16 12:39:41,353 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 6] total 12 [2022-11-16 12:39:41,353 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [162182338] [2022-11-16 12:39:41,353 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-16 12:39:41,354 INFO L753 eck$LassoCheckResult]: stem already infeasible [2022-11-16 12:39:41,354 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:39:41,355 INFO L85 PathProgramCache]: Analyzing trace with hash 1574, now seen corresponding path program 3 times [2022-11-16 12:39:41,355 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 12:39:41,355 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [242273383] [2022-11-16 12:39:41,355 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:39:41,355 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 12:39:41,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 12:39:41,366 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-16 12:39:41,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 12:39:41,372 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-16 12:39:41,412 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 12:39:41,413 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-11-16 12:39:41,414 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=78, Invalid=78, Unknown=0, NotChecked=0, Total=156 [2022-11-16 12:39:41,414 INFO L87 Difference]: Start difference. First operand 18 states and 20 transitions. cyclomatic complexity: 5 Second operand has 13 states, 12 states have (on average 2.0) internal successors, (24), 13 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) [2022-11-16 12:39:41,471 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 12:39:41,472 INFO L93 Difference]: Finished difference Result 30 states and 32 transitions. [2022-11-16 12:39:41,472 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 30 states and 32 transitions. [2022-11-16 12:39:41,474 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 6 [2022-11-16 12:39:41,475 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 30 states to 30 states and 32 transitions. [2022-11-16 12:39:41,475 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 10 [2022-11-16 12:39:41,476 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 10 [2022-11-16 12:39:41,476 INFO L73 IsDeterministic]: Start isDeterministic. Operand 30 states and 32 transitions. [2022-11-16 12:39:41,476 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-16 12:39:41,476 INFO L218 hiAutomatonCegarLoop]: Abstraction has 30 states and 32 transitions. [2022-11-16 12:39:41,476 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30 states and 32 transitions. [2022-11-16 12:39:41,484 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30 to 30. [2022-11-16 12:39:41,484 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 30 states, 30 states have (on average 1.0666666666666667) internal successors, (32), 29 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) [2022-11-16 12:39:41,487 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 30 states and 32 transitions. [2022-11-16 12:39:41,487 INFO L240 hiAutomatonCegarLoop]: Abstraction has 30 states and 32 transitions. [2022-11-16 12:39:41,487 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-11-16 12:39:41,488 INFO L428 stractBuchiCegarLoop]: Abstraction has 30 states and 32 transitions. [2022-11-16 12:39:41,488 INFO L335 stractBuchiCegarLoop]: ======== Iteration 5 ============ [2022-11-16 12:39:41,489 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 30 states and 32 transitions. [2022-11-16 12:39:41,490 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 6 [2022-11-16 12:39:41,490 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-16 12:39:41,490 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-16 12:39:41,491 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [10, 10, 1, 1, 1] [2022-11-16 12:39:41,492 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2022-11-16 12:39:41,492 INFO L748 eck$LassoCheckResult]: Stem: 339#ULTIMATE.startENTRY 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(25, 2); 340#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet2#1, main_#t~post1#1, main_~i~0#1, main_#t~post4#1, main_#t~mem3#1, main_#t~mem6#1, main_#t~post5#1, main_~#aa~0#1.base, main_~#aa~0#1.offset, main_~a~0#1, main_~x~0#1;call main_~#aa~0#1.base, main_~#aa~0#1.offset := #Ultimate.allocOnStack(400000);main_~a~0#1 := 0;main_~i~0#1 := 0; 341#L20-3 assume !!(main_~i~0#1 < 100000);call write~int(main_#t~nondet2#1, main_~#aa~0#1.base, main_~#aa~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet2#1; 342#L20-2 main_#t~post1#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post1#1;havoc main_#t~post1#1; 343#L20-3 assume !!(main_~i~0#1 < 100000);call write~int(main_#t~nondet2#1, main_~#aa~0#1.base, main_~#aa~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet2#1; 344#L20-2 main_#t~post1#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post1#1;havoc main_#t~post1#1; 345#L20-3 assume !!(main_~i~0#1 < 100000);call write~int(main_#t~nondet2#1, main_~#aa~0#1.base, main_~#aa~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet2#1; 363#L20-2 main_#t~post1#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post1#1;havoc main_#t~post1#1; 362#L20-3 assume !!(main_~i~0#1 < 100000);call write~int(main_#t~nondet2#1, main_~#aa~0#1.base, main_~#aa~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet2#1; 361#L20-2 main_#t~post1#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post1#1;havoc main_#t~post1#1; 360#L20-3 assume !!(main_~i~0#1 < 100000);call write~int(main_#t~nondet2#1, main_~#aa~0#1.base, main_~#aa~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet2#1; 359#L20-2 main_#t~post1#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post1#1;havoc main_#t~post1#1; 358#L20-3 assume !!(main_~i~0#1 < 100000);call write~int(main_#t~nondet2#1, main_~#aa~0#1.base, main_~#aa~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet2#1; 357#L20-2 main_#t~post1#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post1#1;havoc main_#t~post1#1; 356#L20-3 assume !!(main_~i~0#1 < 100000);call write~int(main_#t~nondet2#1, main_~#aa~0#1.base, main_~#aa~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet2#1; 355#L20-2 main_#t~post1#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post1#1;havoc main_#t~post1#1; 354#L20-3 assume !!(main_~i~0#1 < 100000);call write~int(main_#t~nondet2#1, main_~#aa~0#1.base, main_~#aa~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet2#1; 353#L20-2 main_#t~post1#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post1#1;havoc main_#t~post1#1; 352#L20-3 assume !!(main_~i~0#1 < 100000);call write~int(main_#t~nondet2#1, main_~#aa~0#1.base, main_~#aa~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet2#1; 351#L20-2 main_#t~post1#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post1#1;havoc main_#t~post1#1; 350#L20-3 assume !!(main_~i~0#1 < 100000);call write~int(main_#t~nondet2#1, main_~#aa~0#1.base, main_~#aa~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet2#1; 349#L20-2 main_#t~post1#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post1#1;havoc main_#t~post1#1; 348#L20-3 assume !(main_~i~0#1 < 100000); 334#L25-2 [2022-11-16 12:39:41,492 INFO L750 eck$LassoCheckResult]: Loop: 334#L25-2 call main_#t~mem3#1 := read~int(main_~#aa~0#1.base, main_~#aa~0#1.offset + 4 * main_~a~0#1, 4); 335#L25 assume !!(main_#t~mem3#1 >= 0);havoc main_#t~mem3#1;main_#t~post4#1 := main_~a~0#1;main_~a~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 334#L25-2 [2022-11-16 12:39:41,493 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:39:41,493 INFO L85 PathProgramCache]: Analyzing trace with hash 899905681, now seen corresponding path program 3 times [2022-11-16 12:39:41,493 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 12:39:41,493 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1376917771] [2022-11-16 12:39:41,493 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:39:41,494 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 12:39:41,536 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0647a5f9-33a5-40d9-bdbd-a744074c3f1b/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Forceful destruction successful, exit code 0 [2022-11-16 12:39:41,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:39:41,775 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 0 proven. 100 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 12:39:41,775 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 12:39:41,775 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1376917771] [2022-11-16 12:39:41,776 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1376917771] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-16 12:39:41,776 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1009622632] [2022-11-16 12:39:41,776 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-11-16 12:39:41,777 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-16 12:39:41,777 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0647a5f9-33a5-40d9-bdbd-a744074c3f1b/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:39:41,778 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0647a5f9-33a5-40d9-bdbd-a744074c3f1b/bin/uautomizer-tPACEb0tL8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-16 12:39:41,803 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0647a5f9-33a5-40d9-bdbd-a744074c3f1b/bin/uautomizer-tPACEb0tL8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (25)] Waiting until timeout for monitored process [2022-11-16 12:39:41,936 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 11 check-sat command(s) [2022-11-16 12:39:41,936 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-16 12:39:41,938 INFO L263 TraceCheckSpWp]: Trace formula consists of 148 conjuncts, 12 conjunts are in the unsatisfiable core [2022-11-16 12:39:41,940 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 12:39:42,021 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 0 proven. 100 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 12:39:42,022 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-16 12:39:42,315 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 0 proven. 100 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 12:39:42,316 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1009622632] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-16 12:39:42,316 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-16 12:39:42,316 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 12, 12] total 24 [2022-11-16 12:39:42,316 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1842670527] [2022-11-16 12:39:42,316 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-16 12:39:42,317 INFO L753 eck$LassoCheckResult]: stem already infeasible [2022-11-16 12:39:42,317 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:39:42,317 INFO L85 PathProgramCache]: Analyzing trace with hash 1574, now seen corresponding path program 4 times [2022-11-16 12:39:42,317 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 12:39:42,317 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [217823968] [2022-11-16 12:39:42,317 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:39:42,318 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 12:39:42,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 12:39:42,321 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-16 12:39:42,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 12:39:42,329 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-16 12:39:42,376 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 12:39:42,377 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2022-11-16 12:39:42,378 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=300, Invalid=300, Unknown=0, NotChecked=0, Total=600 [2022-11-16 12:39:42,379 INFO L87 Difference]: Start difference. First operand 30 states and 32 transitions. cyclomatic complexity: 5 Second operand has 25 states, 24 states have (on average 2.0) internal successors, (48), 25 states have internal predecessors, (48), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:39:42,496 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 12:39:42,496 INFO L93 Difference]: Finished difference Result 54 states and 56 transitions. [2022-11-16 12:39:42,496 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 54 states and 56 transitions. [2022-11-16 12:39:42,503 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 6 [2022-11-16 12:39:42,504 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 54 states to 54 states and 56 transitions. [2022-11-16 12:39:42,505 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 10 [2022-11-16 12:39:42,505 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 10 [2022-11-16 12:39:42,506 INFO L73 IsDeterministic]: Start isDeterministic. Operand 54 states and 56 transitions. [2022-11-16 12:39:42,506 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-16 12:39:42,506 INFO L218 hiAutomatonCegarLoop]: Abstraction has 54 states and 56 transitions. [2022-11-16 12:39:42,507 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 54 states and 56 transitions. [2022-11-16 12:39:42,512 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 54 to 54. [2022-11-16 12:39:42,513 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 54 states, 54 states have (on average 1.037037037037037) internal successors, (56), 53 states have internal predecessors, (56), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:39:42,515 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 54 states and 56 transitions. [2022-11-16 12:39:42,515 INFO L240 hiAutomatonCegarLoop]: Abstraction has 54 states and 56 transitions. [2022-11-16 12:39:42,516 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2022-11-16 12:39:42,517 INFO L428 stractBuchiCegarLoop]: Abstraction has 54 states and 56 transitions. [2022-11-16 12:39:42,517 INFO L335 stractBuchiCegarLoop]: ======== Iteration 6 ============ [2022-11-16 12:39:42,517 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 54 states and 56 transitions. [2022-11-16 12:39:42,518 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 6 [2022-11-16 12:39:42,518 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-16 12:39:42,518 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-16 12:39:42,519 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [22, 22, 1, 1, 1] [2022-11-16 12:39:42,519 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2022-11-16 12:39:42,520 INFO L748 eck$LassoCheckResult]: Stem: 580#ULTIMATE.startENTRY 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(25, 2); 581#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet2#1, main_#t~post1#1, main_~i~0#1, main_#t~post4#1, main_#t~mem3#1, main_#t~mem6#1, main_#t~post5#1, main_~#aa~0#1.base, main_~#aa~0#1.offset, main_~a~0#1, main_~x~0#1;call main_~#aa~0#1.base, main_~#aa~0#1.offset := #Ultimate.allocOnStack(400000);main_~a~0#1 := 0;main_~i~0#1 := 0; 585#L20-3 assume !!(main_~i~0#1 < 100000);call write~int(main_#t~nondet2#1, main_~#aa~0#1.base, main_~#aa~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet2#1; 586#L20-2 main_#t~post1#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post1#1;havoc main_#t~post1#1; 587#L20-3 assume !!(main_~i~0#1 < 100000);call write~int(main_#t~nondet2#1, main_~#aa~0#1.base, main_~#aa~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet2#1; 588#L20-2 main_#t~post1#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post1#1;havoc main_#t~post1#1; 589#L20-3 assume !!(main_~i~0#1 < 100000);call write~int(main_#t~nondet2#1, main_~#aa~0#1.base, main_~#aa~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet2#1; 631#L20-2 main_#t~post1#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post1#1;havoc main_#t~post1#1; 630#L20-3 assume !!(main_~i~0#1 < 100000);call write~int(main_#t~nondet2#1, main_~#aa~0#1.base, main_~#aa~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet2#1; 629#L20-2 main_#t~post1#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post1#1;havoc main_#t~post1#1; 628#L20-3 assume !!(main_~i~0#1 < 100000);call write~int(main_#t~nondet2#1, main_~#aa~0#1.base, main_~#aa~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet2#1; 627#L20-2 main_#t~post1#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post1#1;havoc main_#t~post1#1; 626#L20-3 assume !!(main_~i~0#1 < 100000);call write~int(main_#t~nondet2#1, main_~#aa~0#1.base, main_~#aa~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet2#1; 625#L20-2 main_#t~post1#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post1#1;havoc main_#t~post1#1; 624#L20-3 assume !!(main_~i~0#1 < 100000);call write~int(main_#t~nondet2#1, main_~#aa~0#1.base, main_~#aa~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet2#1; 623#L20-2 main_#t~post1#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post1#1;havoc main_#t~post1#1; 622#L20-3 assume !!(main_~i~0#1 < 100000);call write~int(main_#t~nondet2#1, main_~#aa~0#1.base, main_~#aa~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet2#1; 621#L20-2 main_#t~post1#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post1#1;havoc main_#t~post1#1; 620#L20-3 assume !!(main_~i~0#1 < 100000);call write~int(main_#t~nondet2#1, main_~#aa~0#1.base, main_~#aa~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet2#1; 619#L20-2 main_#t~post1#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post1#1;havoc main_#t~post1#1; 618#L20-3 assume !!(main_~i~0#1 < 100000);call write~int(main_#t~nondet2#1, main_~#aa~0#1.base, main_~#aa~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet2#1; 617#L20-2 main_#t~post1#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post1#1;havoc main_#t~post1#1; 616#L20-3 assume !!(main_~i~0#1 < 100000);call write~int(main_#t~nondet2#1, main_~#aa~0#1.base, main_~#aa~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet2#1; 615#L20-2 main_#t~post1#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post1#1;havoc main_#t~post1#1; 614#L20-3 assume !!(main_~i~0#1 < 100000);call write~int(main_#t~nondet2#1, main_~#aa~0#1.base, main_~#aa~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet2#1; 613#L20-2 main_#t~post1#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post1#1;havoc main_#t~post1#1; 612#L20-3 assume !!(main_~i~0#1 < 100000);call write~int(main_#t~nondet2#1, main_~#aa~0#1.base, main_~#aa~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet2#1; 611#L20-2 main_#t~post1#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post1#1;havoc main_#t~post1#1; 610#L20-3 assume !!(main_~i~0#1 < 100000);call write~int(main_#t~nondet2#1, main_~#aa~0#1.base, main_~#aa~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet2#1; 609#L20-2 main_#t~post1#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post1#1;havoc main_#t~post1#1; 608#L20-3 assume !!(main_~i~0#1 < 100000);call write~int(main_#t~nondet2#1, main_~#aa~0#1.base, main_~#aa~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet2#1; 607#L20-2 main_#t~post1#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post1#1;havoc main_#t~post1#1; 606#L20-3 assume !!(main_~i~0#1 < 100000);call write~int(main_#t~nondet2#1, main_~#aa~0#1.base, main_~#aa~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet2#1; 605#L20-2 main_#t~post1#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post1#1;havoc main_#t~post1#1; 604#L20-3 assume !!(main_~i~0#1 < 100000);call write~int(main_#t~nondet2#1, main_~#aa~0#1.base, main_~#aa~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet2#1; 603#L20-2 main_#t~post1#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post1#1;havoc main_#t~post1#1; 602#L20-3 assume !!(main_~i~0#1 < 100000);call write~int(main_#t~nondet2#1, main_~#aa~0#1.base, main_~#aa~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet2#1; 601#L20-2 main_#t~post1#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post1#1;havoc main_#t~post1#1; 600#L20-3 assume !!(main_~i~0#1 < 100000);call write~int(main_#t~nondet2#1, main_~#aa~0#1.base, main_~#aa~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet2#1; 599#L20-2 main_#t~post1#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post1#1;havoc main_#t~post1#1; 598#L20-3 assume !!(main_~i~0#1 < 100000);call write~int(main_#t~nondet2#1, main_~#aa~0#1.base, main_~#aa~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet2#1; 597#L20-2 main_#t~post1#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post1#1;havoc main_#t~post1#1; 596#L20-3 assume !!(main_~i~0#1 < 100000);call write~int(main_#t~nondet2#1, main_~#aa~0#1.base, main_~#aa~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet2#1; 595#L20-2 main_#t~post1#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post1#1;havoc main_#t~post1#1; 594#L20-3 assume !!(main_~i~0#1 < 100000);call write~int(main_#t~nondet2#1, main_~#aa~0#1.base, main_~#aa~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet2#1; 593#L20-2 main_#t~post1#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post1#1;havoc main_#t~post1#1; 592#L20-3 assume !(main_~i~0#1 < 100000); 578#L25-2 [2022-11-16 12:39:42,520 INFO L750 eck$LassoCheckResult]: Loop: 578#L25-2 call main_#t~mem3#1 := read~int(main_~#aa~0#1.base, main_~#aa~0#1.offset + 4 * main_~a~0#1, 4); 579#L25 assume !!(main_#t~mem3#1 >= 0);havoc main_#t~mem3#1;main_#t~post4#1 := main_~a~0#1;main_~a~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 578#L25-2 [2022-11-16 12:39:42,520 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:39:42,521 INFO L85 PathProgramCache]: Analyzing trace with hash -111832455, now seen corresponding path program 4 times [2022-11-16 12:39:42,521 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 12:39:42,521 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1855337754] [2022-11-16 12:39:42,521 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:39:42,521 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 12:39:42,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:39:43,370 INFO L134 CoverageAnalysis]: Checked inductivity of 484 backedges. 0 proven. 484 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 12:39:43,370 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 12:39:43,370 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1855337754] [2022-11-16 12:39:43,370 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1855337754] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-16 12:39:43,371 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1804710418] [2022-11-16 12:39:43,371 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2022-11-16 12:39:43,371 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-16 12:39:43,371 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0647a5f9-33a5-40d9-bdbd-a744074c3f1b/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:39:43,376 INFO L229 MonitoredProcess]: Starting monitored process 26 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0647a5f9-33a5-40d9-bdbd-a744074c3f1b/bin/uautomizer-tPACEb0tL8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-16 12:39:43,399 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0647a5f9-33a5-40d9-bdbd-a744074c3f1b/bin/uautomizer-tPACEb0tL8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (26)] Waiting until timeout for monitored process [2022-11-16 12:39:43,504 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2022-11-16 12:39:43,504 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-16 12:39:43,507 INFO L263 TraceCheckSpWp]: Trace formula consists of 280 conjuncts, 24 conjunts are in the unsatisfiable core [2022-11-16 12:39:43,510 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 12:39:43,637 INFO L134 CoverageAnalysis]: Checked inductivity of 484 backedges. 0 proven. 484 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 12:39:43,637 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-16 12:39:44,606 INFO L134 CoverageAnalysis]: Checked inductivity of 484 backedges. 0 proven. 484 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 12:39:44,607 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1804710418] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-16 12:39:44,607 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-16 12:39:44,607 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [24, 24, 24] total 48 [2022-11-16 12:39:44,607 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1294437981] [2022-11-16 12:39:44,607 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-16 12:39:44,608 INFO L753 eck$LassoCheckResult]: stem already infeasible [2022-11-16 12:39:44,608 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:39:44,608 INFO L85 PathProgramCache]: Analyzing trace with hash 1574, now seen corresponding path program 5 times [2022-11-16 12:39:44,608 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 12:39:44,608 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [596873475] [2022-11-16 12:39:44,608 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:39:44,608 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 12:39:44,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 12:39:44,612 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-16 12:39:44,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 12:39:44,616 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-16 12:39:44,651 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 12:39:44,652 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 49 interpolants. [2022-11-16 12:39:44,653 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1176, Invalid=1176, Unknown=0, NotChecked=0, Total=2352 [2022-11-16 12:39:44,653 INFO L87 Difference]: Start difference. First operand 54 states and 56 transitions. cyclomatic complexity: 5 Second operand has 49 states, 48 states have (on average 2.0) internal successors, (96), 49 states have internal predecessors, (96), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:39:44,899 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 12:39:44,899 INFO L93 Difference]: Finished difference Result 102 states and 104 transitions. [2022-11-16 12:39:44,899 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 102 states and 104 transitions. [2022-11-16 12:39:44,904 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 6 [2022-11-16 12:39:44,905 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 102 states to 102 states and 104 transitions. [2022-11-16 12:39:44,905 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 10 [2022-11-16 12:39:44,906 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 10 [2022-11-16 12:39:44,907 INFO L73 IsDeterministic]: Start isDeterministic. Operand 102 states and 104 transitions. [2022-11-16 12:39:44,908 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-16 12:39:44,908 INFO L218 hiAutomatonCegarLoop]: Abstraction has 102 states and 104 transitions. [2022-11-16 12:39:44,909 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 102 states and 104 transitions. [2022-11-16 12:39:44,917 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 102 to 102. [2022-11-16 12:39:44,919 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 102 states, 102 states have (on average 1.0196078431372548) internal successors, (104), 101 states have internal predecessors, (104), 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) [2022-11-16 12:39:44,923 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 102 states and 104 transitions. [2022-11-16 12:39:44,924 INFO L240 hiAutomatonCegarLoop]: Abstraction has 102 states and 104 transitions. [2022-11-16 12:39:44,924 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2022-11-16 12:39:44,926 INFO L428 stractBuchiCegarLoop]: Abstraction has 102 states and 104 transitions. [2022-11-16 12:39:44,926 INFO L335 stractBuchiCegarLoop]: ======== Iteration 7 ============ [2022-11-16 12:39:44,927 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 102 states and 104 transitions. [2022-11-16 12:39:44,928 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 6 [2022-11-16 12:39:44,930 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-16 12:39:44,930 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-16 12:39:44,932 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [46, 46, 1, 1, 1] [2022-11-16 12:39:44,933 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2022-11-16 12:39:44,935 INFO L748 eck$LassoCheckResult]: Stem: 1067#ULTIMATE.startENTRY 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(25, 2); 1068#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet2#1, main_#t~post1#1, main_~i~0#1, main_#t~post4#1, main_#t~mem3#1, main_#t~mem6#1, main_#t~post5#1, main_~#aa~0#1.base, main_~#aa~0#1.offset, main_~a~0#1, main_~x~0#1;call main_~#aa~0#1.base, main_~#aa~0#1.offset := #Ultimate.allocOnStack(400000);main_~a~0#1 := 0;main_~i~0#1 := 0; 1069#L20-3 assume !!(main_~i~0#1 < 100000);call write~int(main_#t~nondet2#1, main_~#aa~0#1.base, main_~#aa~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet2#1; 1070#L20-2 main_#t~post1#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post1#1;havoc main_#t~post1#1; 1071#L20-3 assume !!(main_~i~0#1 < 100000);call write~int(main_#t~nondet2#1, main_~#aa~0#1.base, main_~#aa~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet2#1; 1072#L20-2 main_#t~post1#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post1#1;havoc main_#t~post1#1; 1073#L20-3 assume !!(main_~i~0#1 < 100000);call write~int(main_#t~nondet2#1, main_~#aa~0#1.base, main_~#aa~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet2#1; 1163#L20-2 main_#t~post1#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post1#1;havoc main_#t~post1#1; 1162#L20-3 assume !!(main_~i~0#1 < 100000);call write~int(main_#t~nondet2#1, main_~#aa~0#1.base, main_~#aa~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet2#1; 1161#L20-2 main_#t~post1#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post1#1;havoc main_#t~post1#1; 1160#L20-3 assume !!(main_~i~0#1 < 100000);call write~int(main_#t~nondet2#1, main_~#aa~0#1.base, main_~#aa~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet2#1; 1159#L20-2 main_#t~post1#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post1#1;havoc main_#t~post1#1; 1158#L20-3 assume !!(main_~i~0#1 < 100000);call write~int(main_#t~nondet2#1, main_~#aa~0#1.base, main_~#aa~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet2#1; 1157#L20-2 main_#t~post1#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post1#1;havoc main_#t~post1#1; 1156#L20-3 assume !!(main_~i~0#1 < 100000);call write~int(main_#t~nondet2#1, main_~#aa~0#1.base, main_~#aa~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet2#1; 1155#L20-2 main_#t~post1#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post1#1;havoc main_#t~post1#1; 1154#L20-3 assume !!(main_~i~0#1 < 100000);call write~int(main_#t~nondet2#1, main_~#aa~0#1.base, main_~#aa~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet2#1; 1153#L20-2 main_#t~post1#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post1#1;havoc main_#t~post1#1; 1152#L20-3 assume !!(main_~i~0#1 < 100000);call write~int(main_#t~nondet2#1, main_~#aa~0#1.base, main_~#aa~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet2#1; 1151#L20-2 main_#t~post1#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post1#1;havoc main_#t~post1#1; 1150#L20-3 assume !!(main_~i~0#1 < 100000);call write~int(main_#t~nondet2#1, main_~#aa~0#1.base, main_~#aa~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet2#1; 1149#L20-2 main_#t~post1#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post1#1;havoc main_#t~post1#1; 1148#L20-3 assume !!(main_~i~0#1 < 100000);call write~int(main_#t~nondet2#1, main_~#aa~0#1.base, main_~#aa~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet2#1; 1147#L20-2 main_#t~post1#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post1#1;havoc main_#t~post1#1; 1146#L20-3 assume !!(main_~i~0#1 < 100000);call write~int(main_#t~nondet2#1, main_~#aa~0#1.base, main_~#aa~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet2#1; 1145#L20-2 main_#t~post1#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post1#1;havoc main_#t~post1#1; 1144#L20-3 assume !!(main_~i~0#1 < 100000);call write~int(main_#t~nondet2#1, main_~#aa~0#1.base, main_~#aa~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet2#1; 1143#L20-2 main_#t~post1#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post1#1;havoc main_#t~post1#1; 1142#L20-3 assume !!(main_~i~0#1 < 100000);call write~int(main_#t~nondet2#1, main_~#aa~0#1.base, main_~#aa~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet2#1; 1141#L20-2 main_#t~post1#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post1#1;havoc main_#t~post1#1; 1140#L20-3 assume !!(main_~i~0#1 < 100000);call write~int(main_#t~nondet2#1, main_~#aa~0#1.base, main_~#aa~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet2#1; 1139#L20-2 main_#t~post1#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post1#1;havoc main_#t~post1#1; 1138#L20-3 assume !!(main_~i~0#1 < 100000);call write~int(main_#t~nondet2#1, main_~#aa~0#1.base, main_~#aa~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet2#1; 1137#L20-2 main_#t~post1#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post1#1;havoc main_#t~post1#1; 1136#L20-3 assume !!(main_~i~0#1 < 100000);call write~int(main_#t~nondet2#1, main_~#aa~0#1.base, main_~#aa~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet2#1; 1135#L20-2 main_#t~post1#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post1#1;havoc main_#t~post1#1; 1134#L20-3 assume !!(main_~i~0#1 < 100000);call write~int(main_#t~nondet2#1, main_~#aa~0#1.base, main_~#aa~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet2#1; 1133#L20-2 main_#t~post1#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post1#1;havoc main_#t~post1#1; 1132#L20-3 assume !!(main_~i~0#1 < 100000);call write~int(main_#t~nondet2#1, main_~#aa~0#1.base, main_~#aa~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet2#1; 1131#L20-2 main_#t~post1#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post1#1;havoc main_#t~post1#1; 1130#L20-3 assume !!(main_~i~0#1 < 100000);call write~int(main_#t~nondet2#1, main_~#aa~0#1.base, main_~#aa~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet2#1; 1129#L20-2 main_#t~post1#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post1#1;havoc main_#t~post1#1; 1128#L20-3 assume !!(main_~i~0#1 < 100000);call write~int(main_#t~nondet2#1, main_~#aa~0#1.base, main_~#aa~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet2#1; 1127#L20-2 main_#t~post1#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post1#1;havoc main_#t~post1#1; 1126#L20-3 assume !!(main_~i~0#1 < 100000);call write~int(main_#t~nondet2#1, main_~#aa~0#1.base, main_~#aa~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet2#1; 1125#L20-2 main_#t~post1#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post1#1;havoc main_#t~post1#1; 1124#L20-3 assume !!(main_~i~0#1 < 100000);call write~int(main_#t~nondet2#1, main_~#aa~0#1.base, main_~#aa~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet2#1; 1123#L20-2 main_#t~post1#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post1#1;havoc main_#t~post1#1; 1122#L20-3 assume !!(main_~i~0#1 < 100000);call write~int(main_#t~nondet2#1, main_~#aa~0#1.base, main_~#aa~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet2#1; 1121#L20-2 main_#t~post1#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post1#1;havoc main_#t~post1#1; 1120#L20-3 assume !!(main_~i~0#1 < 100000);call write~int(main_#t~nondet2#1, main_~#aa~0#1.base, main_~#aa~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet2#1; 1119#L20-2 main_#t~post1#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post1#1;havoc main_#t~post1#1; 1118#L20-3 assume !!(main_~i~0#1 < 100000);call write~int(main_#t~nondet2#1, main_~#aa~0#1.base, main_~#aa~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet2#1; 1117#L20-2 main_#t~post1#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post1#1;havoc main_#t~post1#1; 1116#L20-3 assume !!(main_~i~0#1 < 100000);call write~int(main_#t~nondet2#1, main_~#aa~0#1.base, main_~#aa~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet2#1; 1115#L20-2 main_#t~post1#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post1#1;havoc main_#t~post1#1; 1114#L20-3 assume !!(main_~i~0#1 < 100000);call write~int(main_#t~nondet2#1, main_~#aa~0#1.base, main_~#aa~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet2#1; 1113#L20-2 main_#t~post1#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post1#1;havoc main_#t~post1#1; 1112#L20-3 assume !!(main_~i~0#1 < 100000);call write~int(main_#t~nondet2#1, main_~#aa~0#1.base, main_~#aa~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet2#1; 1111#L20-2 main_#t~post1#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post1#1;havoc main_#t~post1#1; 1110#L20-3 assume !!(main_~i~0#1 < 100000);call write~int(main_#t~nondet2#1, main_~#aa~0#1.base, main_~#aa~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet2#1; 1109#L20-2 main_#t~post1#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post1#1;havoc main_#t~post1#1; 1108#L20-3 assume !!(main_~i~0#1 < 100000);call write~int(main_#t~nondet2#1, main_~#aa~0#1.base, main_~#aa~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet2#1; 1107#L20-2 main_#t~post1#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post1#1;havoc main_#t~post1#1; 1106#L20-3 assume !!(main_~i~0#1 < 100000);call write~int(main_#t~nondet2#1, main_~#aa~0#1.base, main_~#aa~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet2#1; 1105#L20-2 main_#t~post1#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post1#1;havoc main_#t~post1#1; 1104#L20-3 assume !!(main_~i~0#1 < 100000);call write~int(main_#t~nondet2#1, main_~#aa~0#1.base, main_~#aa~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet2#1; 1103#L20-2 main_#t~post1#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post1#1;havoc main_#t~post1#1; 1102#L20-3 assume !!(main_~i~0#1 < 100000);call write~int(main_#t~nondet2#1, main_~#aa~0#1.base, main_~#aa~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet2#1; 1101#L20-2 main_#t~post1#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post1#1;havoc main_#t~post1#1; 1100#L20-3 assume !!(main_~i~0#1 < 100000);call write~int(main_#t~nondet2#1, main_~#aa~0#1.base, main_~#aa~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet2#1; 1099#L20-2 main_#t~post1#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post1#1;havoc main_#t~post1#1; 1098#L20-3 assume !!(main_~i~0#1 < 100000);call write~int(main_#t~nondet2#1, main_~#aa~0#1.base, main_~#aa~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet2#1; 1097#L20-2 main_#t~post1#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post1#1;havoc main_#t~post1#1; 1096#L20-3 assume !!(main_~i~0#1 < 100000);call write~int(main_#t~nondet2#1, main_~#aa~0#1.base, main_~#aa~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet2#1; 1095#L20-2 main_#t~post1#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post1#1;havoc main_#t~post1#1; 1094#L20-3 assume !!(main_~i~0#1 < 100000);call write~int(main_#t~nondet2#1, main_~#aa~0#1.base, main_~#aa~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet2#1; 1093#L20-2 main_#t~post1#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post1#1;havoc main_#t~post1#1; 1092#L20-3 assume !!(main_~i~0#1 < 100000);call write~int(main_#t~nondet2#1, main_~#aa~0#1.base, main_~#aa~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet2#1; 1091#L20-2 main_#t~post1#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post1#1;havoc main_#t~post1#1; 1090#L20-3 assume !!(main_~i~0#1 < 100000);call write~int(main_#t~nondet2#1, main_~#aa~0#1.base, main_~#aa~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet2#1; 1089#L20-2 main_#t~post1#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post1#1;havoc main_#t~post1#1; 1088#L20-3 assume !!(main_~i~0#1 < 100000);call write~int(main_#t~nondet2#1, main_~#aa~0#1.base, main_~#aa~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet2#1; 1087#L20-2 main_#t~post1#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post1#1;havoc main_#t~post1#1; 1086#L20-3 assume !!(main_~i~0#1 < 100000);call write~int(main_#t~nondet2#1, main_~#aa~0#1.base, main_~#aa~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet2#1; 1085#L20-2 main_#t~post1#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post1#1;havoc main_#t~post1#1; 1084#L20-3 assume !!(main_~i~0#1 < 100000);call write~int(main_#t~nondet2#1, main_~#aa~0#1.base, main_~#aa~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet2#1; 1083#L20-2 main_#t~post1#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post1#1;havoc main_#t~post1#1; 1082#L20-3 assume !!(main_~i~0#1 < 100000);call write~int(main_#t~nondet2#1, main_~#aa~0#1.base, main_~#aa~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet2#1; 1081#L20-2 main_#t~post1#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post1#1;havoc main_#t~post1#1; 1080#L20-3 assume !!(main_~i~0#1 < 100000);call write~int(main_#t~nondet2#1, main_~#aa~0#1.base, main_~#aa~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet2#1; 1079#L20-2 main_#t~post1#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post1#1;havoc main_#t~post1#1; 1078#L20-3 assume !!(main_~i~0#1 < 100000);call write~int(main_#t~nondet2#1, main_~#aa~0#1.base, main_~#aa~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet2#1; 1077#L20-2 main_#t~post1#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post1#1;havoc main_#t~post1#1; 1076#L20-3 assume !(main_~i~0#1 < 100000); 1062#L25-2 [2022-11-16 12:39:44,938 INFO L750 eck$LassoCheckResult]: Loop: 1062#L25-2 call main_#t~mem3#1 := read~int(main_~#aa~0#1.base, main_~#aa~0#1.offset + 4 * main_~a~0#1, 4); 1063#L25 assume !!(main_#t~mem3#1 >= 0);havoc main_#t~mem3#1;main_#t~post4#1 := main_~a~0#1;main_~a~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 1062#L25-2 [2022-11-16 12:39:44,939 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:39:44,939 INFO L85 PathProgramCache]: Analyzing trace with hash -1497227703, now seen corresponding path program 5 times [2022-11-16 12:39:44,939 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 12:39:44,939 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [767764294] [2022-11-16 12:39:44,940 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:39:44,940 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 12:39:45,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:39:47,518 INFO L134 CoverageAnalysis]: Checked inductivity of 2116 backedges. 0 proven. 2116 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 12:39:47,518 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 12:39:47,518 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [767764294] [2022-11-16 12:39:47,518 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [767764294] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-16 12:39:47,518 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1518744014] [2022-11-16 12:39:47,519 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2022-11-16 12:39:47,519 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-16 12:39:47,519 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0647a5f9-33a5-40d9-bdbd-a744074c3f1b/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:39:47,527 INFO L229 MonitoredProcess]: Starting monitored process 27 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0647a5f9-33a5-40d9-bdbd-a744074c3f1b/bin/uautomizer-tPACEb0tL8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-16 12:39:47,547 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0647a5f9-33a5-40d9-bdbd-a744074c3f1b/bin/uautomizer-tPACEb0tL8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (27)] Waiting until timeout for monitored process [2022-11-16 12:39:50,806 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 47 check-sat command(s) [2022-11-16 12:39:50,806 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-16 12:39:50,816 INFO L263 TraceCheckSpWp]: Trace formula consists of 544 conjuncts, 48 conjunts are in the unsatisfiable core [2022-11-16 12:39:50,821 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 12:39:51,086 INFO L134 CoverageAnalysis]: Checked inductivity of 2116 backedges. 0 proven. 2116 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 12:39:51,086 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-16 12:39:54,486 INFO L134 CoverageAnalysis]: Checked inductivity of 2116 backedges. 0 proven. 2116 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 12:39:54,486 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1518744014] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-16 12:39:54,487 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-16 12:39:54,487 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [48, 48, 48] total 96 [2022-11-16 12:39:54,487 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [396755653] [2022-11-16 12:39:54,487 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-16 12:39:54,488 INFO L753 eck$LassoCheckResult]: stem already infeasible [2022-11-16 12:39:54,489 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:39:54,489 INFO L85 PathProgramCache]: Analyzing trace with hash 1574, now seen corresponding path program 6 times [2022-11-16 12:39:54,489 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 12:39:54,489 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [958682841] [2022-11-16 12:39:54,489 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:39:54,490 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 12:39:54,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 12:39:54,494 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-16 12:39:54,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 12:39:54,497 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-16 12:39:54,528 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 12:39:54,530 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 97 interpolants. [2022-11-16 12:39:54,533 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=4656, Invalid=4656, Unknown=0, NotChecked=0, Total=9312 [2022-11-16 12:39:54,533 INFO L87 Difference]: Start difference. First operand 102 states and 104 transitions. cyclomatic complexity: 5 Second operand has 97 states, 96 states have (on average 2.0) internal successors, (192), 97 states have internal predecessors, (192), 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) [2022-11-16 12:39:54,984 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 12:39:54,984 INFO L93 Difference]: Finished difference Result 198 states and 200 transitions. [2022-11-16 12:39:54,984 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 198 states and 200 transitions. [2022-11-16 12:39:54,986 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 6 [2022-11-16 12:39:54,987 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 198 states to 198 states and 200 transitions. [2022-11-16 12:39:54,987 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 10 [2022-11-16 12:39:54,988 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 10 [2022-11-16 12:39:54,988 INFO L73 IsDeterministic]: Start isDeterministic. Operand 198 states and 200 transitions. [2022-11-16 12:39:54,989 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-16 12:39:54,989 INFO L218 hiAutomatonCegarLoop]: Abstraction has 198 states and 200 transitions. [2022-11-16 12:39:54,989 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 198 states and 200 transitions. [2022-11-16 12:39:54,995 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 198 to 198. [2022-11-16 12:39:54,996 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 198 states, 198 states have (on average 1.0101010101010102) internal successors, (200), 197 states have internal predecessors, (200), 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) [2022-11-16 12:39:54,996 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 198 states to 198 states and 200 transitions. [2022-11-16 12:39:54,997 INFO L240 hiAutomatonCegarLoop]: Abstraction has 198 states and 200 transitions. [2022-11-16 12:39:54,997 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 96 states. [2022-11-16 12:39:54,998 INFO L428 stractBuchiCegarLoop]: Abstraction has 198 states and 200 transitions. [2022-11-16 12:39:54,998 INFO L335 stractBuchiCegarLoop]: ======== Iteration 8 ============ [2022-11-16 12:39:54,998 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 198 states and 200 transitions. [2022-11-16 12:39:54,999 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 6 [2022-11-16 12:39:54,999 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-16 12:39:54,999 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-16 12:39:55,005 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [94, 94, 1, 1, 1] [2022-11-16 12:39:55,005 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2022-11-16 12:39:55,006 INFO L748 eck$LassoCheckResult]: Stem: 2028#ULTIMATE.startENTRY 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(25, 2); 2029#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet2#1, main_#t~post1#1, main_~i~0#1, main_#t~post4#1, main_#t~mem3#1, main_#t~mem6#1, main_#t~post5#1, main_~#aa~0#1.base, main_~#aa~0#1.offset, main_~a~0#1, main_~x~0#1;call main_~#aa~0#1.base, main_~#aa~0#1.offset := #Ultimate.allocOnStack(400000);main_~a~0#1 := 0;main_~i~0#1 := 0; 2033#L20-3 assume !!(main_~i~0#1 < 100000);call write~int(main_#t~nondet2#1, main_~#aa~0#1.base, main_~#aa~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet2#1; 2034#L20-2 main_#t~post1#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post1#1;havoc main_#t~post1#1; 2035#L20-3 assume !!(main_~i~0#1 < 100000);call write~int(main_#t~nondet2#1, main_~#aa~0#1.base, main_~#aa~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet2#1; 2036#L20-2 main_#t~post1#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post1#1;havoc main_#t~post1#1; 2037#L20-3 assume !!(main_~i~0#1 < 100000);call write~int(main_#t~nondet2#1, main_~#aa~0#1.base, main_~#aa~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet2#1; 2223#L20-2 main_#t~post1#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post1#1;havoc main_#t~post1#1; 2222#L20-3 assume !!(main_~i~0#1 < 100000);call write~int(main_#t~nondet2#1, main_~#aa~0#1.base, main_~#aa~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet2#1; 2221#L20-2 main_#t~post1#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post1#1;havoc main_#t~post1#1; 2220#L20-3 assume !!(main_~i~0#1 < 100000);call write~int(main_#t~nondet2#1, main_~#aa~0#1.base, main_~#aa~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet2#1; 2219#L20-2 main_#t~post1#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post1#1;havoc main_#t~post1#1; 2218#L20-3 assume !!(main_~i~0#1 < 100000);call write~int(main_#t~nondet2#1, main_~#aa~0#1.base, main_~#aa~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet2#1; 2217#L20-2 main_#t~post1#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post1#1;havoc main_#t~post1#1; 2216#L20-3 assume !!(main_~i~0#1 < 100000);call write~int(main_#t~nondet2#1, main_~#aa~0#1.base, main_~#aa~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet2#1; 2215#L20-2 main_#t~post1#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post1#1;havoc main_#t~post1#1; 2214#L20-3 assume !!(main_~i~0#1 < 100000);call write~int(main_#t~nondet2#1, main_~#aa~0#1.base, main_~#aa~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet2#1; 2213#L20-2 main_#t~post1#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post1#1;havoc main_#t~post1#1; 2212#L20-3 assume !!(main_~i~0#1 < 100000);call write~int(main_#t~nondet2#1, main_~#aa~0#1.base, main_~#aa~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet2#1; 2211#L20-2 main_#t~post1#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post1#1;havoc main_#t~post1#1; 2210#L20-3 assume !!(main_~i~0#1 < 100000);call write~int(main_#t~nondet2#1, main_~#aa~0#1.base, main_~#aa~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet2#1; 2209#L20-2 main_#t~post1#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post1#1;havoc main_#t~post1#1; 2208#L20-3 assume !!(main_~i~0#1 < 100000);call write~int(main_#t~nondet2#1, main_~#aa~0#1.base, main_~#aa~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet2#1; 2207#L20-2 main_#t~post1#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post1#1;havoc main_#t~post1#1; 2206#L20-3 assume !!(main_~i~0#1 < 100000);call write~int(main_#t~nondet2#1, main_~#aa~0#1.base, main_~#aa~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet2#1; 2205#L20-2 main_#t~post1#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post1#1;havoc main_#t~post1#1; 2204#L20-3 assume !!(main_~i~0#1 < 100000);call write~int(main_#t~nondet2#1, main_~#aa~0#1.base, main_~#aa~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet2#1; 2203#L20-2 main_#t~post1#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post1#1;havoc main_#t~post1#1; 2202#L20-3 assume !!(main_~i~0#1 < 100000);call write~int(main_#t~nondet2#1, main_~#aa~0#1.base, main_~#aa~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet2#1; 2201#L20-2 main_#t~post1#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post1#1;havoc main_#t~post1#1; 2200#L20-3 assume !!(main_~i~0#1 < 100000);call write~int(main_#t~nondet2#1, main_~#aa~0#1.base, main_~#aa~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet2#1; 2199#L20-2 main_#t~post1#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post1#1;havoc main_#t~post1#1; 2198#L20-3 assume !!(main_~i~0#1 < 100000);call write~int(main_#t~nondet2#1, main_~#aa~0#1.base, main_~#aa~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet2#1; 2197#L20-2 main_#t~post1#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post1#1;havoc main_#t~post1#1; 2196#L20-3 assume !!(main_~i~0#1 < 100000);call write~int(main_#t~nondet2#1, main_~#aa~0#1.base, main_~#aa~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet2#1; 2195#L20-2 main_#t~post1#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post1#1;havoc main_#t~post1#1; 2194#L20-3 assume !!(main_~i~0#1 < 100000);call write~int(main_#t~nondet2#1, main_~#aa~0#1.base, main_~#aa~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet2#1; 2193#L20-2 main_#t~post1#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post1#1;havoc main_#t~post1#1; 2192#L20-3 assume !!(main_~i~0#1 < 100000);call write~int(main_#t~nondet2#1, main_~#aa~0#1.base, main_~#aa~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet2#1; 2191#L20-2 main_#t~post1#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post1#1;havoc main_#t~post1#1; 2190#L20-3 assume !!(main_~i~0#1 < 100000);call write~int(main_#t~nondet2#1, main_~#aa~0#1.base, main_~#aa~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet2#1; 2189#L20-2 main_#t~post1#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post1#1;havoc main_#t~post1#1; 2188#L20-3 assume !!(main_~i~0#1 < 100000);call write~int(main_#t~nondet2#1, main_~#aa~0#1.base, main_~#aa~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet2#1; 2187#L20-2 main_#t~post1#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post1#1;havoc main_#t~post1#1; 2186#L20-3 assume !!(main_~i~0#1 < 100000);call write~int(main_#t~nondet2#1, main_~#aa~0#1.base, main_~#aa~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet2#1; 2185#L20-2 main_#t~post1#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post1#1;havoc main_#t~post1#1; 2184#L20-3 assume !!(main_~i~0#1 < 100000);call write~int(main_#t~nondet2#1, main_~#aa~0#1.base, main_~#aa~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet2#1; 2183#L20-2 main_#t~post1#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post1#1;havoc main_#t~post1#1; 2182#L20-3 assume !!(main_~i~0#1 < 100000);call write~int(main_#t~nondet2#1, main_~#aa~0#1.base, main_~#aa~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet2#1; 2181#L20-2 main_#t~post1#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post1#1;havoc main_#t~post1#1; 2180#L20-3 assume !!(main_~i~0#1 < 100000);call write~int(main_#t~nondet2#1, main_~#aa~0#1.base, main_~#aa~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet2#1; 2179#L20-2 main_#t~post1#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post1#1;havoc main_#t~post1#1; 2178#L20-3 assume !!(main_~i~0#1 < 100000);call write~int(main_#t~nondet2#1, main_~#aa~0#1.base, main_~#aa~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet2#1; 2177#L20-2 main_#t~post1#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post1#1;havoc main_#t~post1#1; 2176#L20-3 assume !!(main_~i~0#1 < 100000);call write~int(main_#t~nondet2#1, main_~#aa~0#1.base, main_~#aa~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet2#1; 2175#L20-2 main_#t~post1#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post1#1;havoc main_#t~post1#1; 2174#L20-3 assume !!(main_~i~0#1 < 100000);call write~int(main_#t~nondet2#1, main_~#aa~0#1.base, main_~#aa~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet2#1; 2173#L20-2 main_#t~post1#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post1#1;havoc main_#t~post1#1; 2172#L20-3 assume !!(main_~i~0#1 < 100000);call write~int(main_#t~nondet2#1, main_~#aa~0#1.base, main_~#aa~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet2#1; 2171#L20-2 main_#t~post1#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post1#1;havoc main_#t~post1#1; 2170#L20-3 assume !!(main_~i~0#1 < 100000);call write~int(main_#t~nondet2#1, main_~#aa~0#1.base, main_~#aa~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet2#1; 2169#L20-2 main_#t~post1#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post1#1;havoc main_#t~post1#1; 2168#L20-3 assume !!(main_~i~0#1 < 100000);call write~int(main_#t~nondet2#1, main_~#aa~0#1.base, main_~#aa~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet2#1; 2167#L20-2 main_#t~post1#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post1#1;havoc main_#t~post1#1; 2166#L20-3 assume !!(main_~i~0#1 < 100000);call write~int(main_#t~nondet2#1, main_~#aa~0#1.base, main_~#aa~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet2#1; 2165#L20-2 main_#t~post1#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post1#1;havoc main_#t~post1#1; 2164#L20-3 assume !!(main_~i~0#1 < 100000);call write~int(main_#t~nondet2#1, main_~#aa~0#1.base, main_~#aa~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet2#1; 2163#L20-2 main_#t~post1#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post1#1;havoc main_#t~post1#1; 2162#L20-3 assume !!(main_~i~0#1 < 100000);call write~int(main_#t~nondet2#1, main_~#aa~0#1.base, main_~#aa~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet2#1; 2161#L20-2 main_#t~post1#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post1#1;havoc main_#t~post1#1; 2160#L20-3 assume !!(main_~i~0#1 < 100000);call write~int(main_#t~nondet2#1, main_~#aa~0#1.base, main_~#aa~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet2#1; 2159#L20-2 main_#t~post1#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post1#1;havoc main_#t~post1#1; 2158#L20-3 assume !!(main_~i~0#1 < 100000);call write~int(main_#t~nondet2#1, main_~#aa~0#1.base, main_~#aa~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet2#1; 2157#L20-2 main_#t~post1#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post1#1;havoc main_#t~post1#1; 2156#L20-3 assume !!(main_~i~0#1 < 100000);call write~int(main_#t~nondet2#1, main_~#aa~0#1.base, main_~#aa~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet2#1; 2155#L20-2 main_#t~post1#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post1#1;havoc main_#t~post1#1; 2154#L20-3 assume !!(main_~i~0#1 < 100000);call write~int(main_#t~nondet2#1, main_~#aa~0#1.base, main_~#aa~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet2#1; 2153#L20-2 main_#t~post1#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post1#1;havoc main_#t~post1#1; 2152#L20-3 assume !!(main_~i~0#1 < 100000);call write~int(main_#t~nondet2#1, main_~#aa~0#1.base, main_~#aa~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet2#1; 2151#L20-2 main_#t~post1#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post1#1;havoc main_#t~post1#1; 2150#L20-3 assume !!(main_~i~0#1 < 100000);call write~int(main_#t~nondet2#1, main_~#aa~0#1.base, main_~#aa~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet2#1; 2149#L20-2 main_#t~post1#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post1#1;havoc main_#t~post1#1; 2148#L20-3 assume !!(main_~i~0#1 < 100000);call write~int(main_#t~nondet2#1, main_~#aa~0#1.base, main_~#aa~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet2#1; 2147#L20-2 main_#t~post1#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post1#1;havoc main_#t~post1#1; 2146#L20-3 assume !!(main_~i~0#1 < 100000);call write~int(main_#t~nondet2#1, main_~#aa~0#1.base, main_~#aa~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet2#1; 2145#L20-2 main_#t~post1#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post1#1;havoc main_#t~post1#1; 2144#L20-3 assume !!(main_~i~0#1 < 100000);call write~int(main_#t~nondet2#1, main_~#aa~0#1.base, main_~#aa~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet2#1; 2143#L20-2 main_#t~post1#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post1#1;havoc main_#t~post1#1; 2142#L20-3 assume !!(main_~i~0#1 < 100000);call write~int(main_#t~nondet2#1, main_~#aa~0#1.base, main_~#aa~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet2#1; 2141#L20-2 main_#t~post1#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post1#1;havoc main_#t~post1#1; 2140#L20-3 assume !!(main_~i~0#1 < 100000);call write~int(main_#t~nondet2#1, main_~#aa~0#1.base, main_~#aa~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet2#1; 2139#L20-2 main_#t~post1#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post1#1;havoc main_#t~post1#1; 2138#L20-3 assume !!(main_~i~0#1 < 100000);call write~int(main_#t~nondet2#1, main_~#aa~0#1.base, main_~#aa~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet2#1; 2137#L20-2 main_#t~post1#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post1#1;havoc main_#t~post1#1; 2136#L20-3 assume !!(main_~i~0#1 < 100000);call write~int(main_#t~nondet2#1, main_~#aa~0#1.base, main_~#aa~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet2#1; 2135#L20-2 main_#t~post1#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post1#1;havoc main_#t~post1#1; 2134#L20-3 assume !!(main_~i~0#1 < 100000);call write~int(main_#t~nondet2#1, main_~#aa~0#1.base, main_~#aa~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet2#1; 2133#L20-2 main_#t~post1#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post1#1;havoc main_#t~post1#1; 2132#L20-3 assume !!(main_~i~0#1 < 100000);call write~int(main_#t~nondet2#1, main_~#aa~0#1.base, main_~#aa~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet2#1; 2131#L20-2 main_#t~post1#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post1#1;havoc main_#t~post1#1; 2130#L20-3 assume !!(main_~i~0#1 < 100000);call write~int(main_#t~nondet2#1, main_~#aa~0#1.base, main_~#aa~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet2#1; 2129#L20-2 main_#t~post1#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post1#1;havoc main_#t~post1#1; 2128#L20-3 assume !!(main_~i~0#1 < 100000);call write~int(main_#t~nondet2#1, main_~#aa~0#1.base, main_~#aa~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet2#1; 2127#L20-2 main_#t~post1#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post1#1;havoc main_#t~post1#1; 2126#L20-3 assume !!(main_~i~0#1 < 100000);call write~int(main_#t~nondet2#1, main_~#aa~0#1.base, main_~#aa~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet2#1; 2125#L20-2 main_#t~post1#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post1#1;havoc main_#t~post1#1; 2124#L20-3 assume !!(main_~i~0#1 < 100000);call write~int(main_#t~nondet2#1, main_~#aa~0#1.base, main_~#aa~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet2#1; 2123#L20-2 main_#t~post1#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post1#1;havoc main_#t~post1#1; 2122#L20-3 assume !!(main_~i~0#1 < 100000);call write~int(main_#t~nondet2#1, main_~#aa~0#1.base, main_~#aa~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet2#1; 2121#L20-2 main_#t~post1#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post1#1;havoc main_#t~post1#1; 2120#L20-3 assume !!(main_~i~0#1 < 100000);call write~int(main_#t~nondet2#1, main_~#aa~0#1.base, main_~#aa~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet2#1; 2119#L20-2 main_#t~post1#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post1#1;havoc main_#t~post1#1; 2118#L20-3 assume !!(main_~i~0#1 < 100000);call write~int(main_#t~nondet2#1, main_~#aa~0#1.base, main_~#aa~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet2#1; 2117#L20-2 main_#t~post1#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post1#1;havoc main_#t~post1#1; 2116#L20-3 assume !!(main_~i~0#1 < 100000);call write~int(main_#t~nondet2#1, main_~#aa~0#1.base, main_~#aa~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet2#1; 2115#L20-2 main_#t~post1#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post1#1;havoc main_#t~post1#1; 2114#L20-3 assume !!(main_~i~0#1 < 100000);call write~int(main_#t~nondet2#1, main_~#aa~0#1.base, main_~#aa~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet2#1; 2113#L20-2 main_#t~post1#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post1#1;havoc main_#t~post1#1; 2112#L20-3 assume !!(main_~i~0#1 < 100000);call write~int(main_#t~nondet2#1, main_~#aa~0#1.base, main_~#aa~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet2#1; 2111#L20-2 main_#t~post1#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post1#1;havoc main_#t~post1#1; 2110#L20-3 assume !!(main_~i~0#1 < 100000);call write~int(main_#t~nondet2#1, main_~#aa~0#1.base, main_~#aa~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet2#1; 2109#L20-2 main_#t~post1#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post1#1;havoc main_#t~post1#1; 2108#L20-3 assume !!(main_~i~0#1 < 100000);call write~int(main_#t~nondet2#1, main_~#aa~0#1.base, main_~#aa~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet2#1; 2107#L20-2 main_#t~post1#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post1#1;havoc main_#t~post1#1; 2106#L20-3 assume !!(main_~i~0#1 < 100000);call write~int(main_#t~nondet2#1, main_~#aa~0#1.base, main_~#aa~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet2#1; 2105#L20-2 main_#t~post1#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post1#1;havoc main_#t~post1#1; 2104#L20-3 assume !!(main_~i~0#1 < 100000);call write~int(main_#t~nondet2#1, main_~#aa~0#1.base, main_~#aa~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet2#1; 2103#L20-2 main_#t~post1#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post1#1;havoc main_#t~post1#1; 2102#L20-3 assume !!(main_~i~0#1 < 100000);call write~int(main_#t~nondet2#1, main_~#aa~0#1.base, main_~#aa~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet2#1; 2101#L20-2 main_#t~post1#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post1#1;havoc main_#t~post1#1; 2100#L20-3 assume !!(main_~i~0#1 < 100000);call write~int(main_#t~nondet2#1, main_~#aa~0#1.base, main_~#aa~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet2#1; 2099#L20-2 main_#t~post1#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post1#1;havoc main_#t~post1#1; 2098#L20-3 assume !!(main_~i~0#1 < 100000);call write~int(main_#t~nondet2#1, main_~#aa~0#1.base, main_~#aa~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet2#1; 2097#L20-2 main_#t~post1#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post1#1;havoc main_#t~post1#1; 2096#L20-3 assume !!(main_~i~0#1 < 100000);call write~int(main_#t~nondet2#1, main_~#aa~0#1.base, main_~#aa~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet2#1; 2095#L20-2 main_#t~post1#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post1#1;havoc main_#t~post1#1; 2094#L20-3 assume !!(main_~i~0#1 < 100000);call write~int(main_#t~nondet2#1, main_~#aa~0#1.base, main_~#aa~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet2#1; 2093#L20-2 main_#t~post1#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post1#1;havoc main_#t~post1#1; 2092#L20-3 assume !!(main_~i~0#1 < 100000);call write~int(main_#t~nondet2#1, main_~#aa~0#1.base, main_~#aa~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet2#1; 2091#L20-2 main_#t~post1#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post1#1;havoc main_#t~post1#1; 2090#L20-3 assume !!(main_~i~0#1 < 100000);call write~int(main_#t~nondet2#1, main_~#aa~0#1.base, main_~#aa~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet2#1; 2089#L20-2 main_#t~post1#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post1#1;havoc main_#t~post1#1; 2088#L20-3 assume !!(main_~i~0#1 < 100000);call write~int(main_#t~nondet2#1, main_~#aa~0#1.base, main_~#aa~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet2#1; 2087#L20-2 main_#t~post1#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post1#1;havoc main_#t~post1#1; 2086#L20-3 assume !!(main_~i~0#1 < 100000);call write~int(main_#t~nondet2#1, main_~#aa~0#1.base, main_~#aa~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet2#1; 2085#L20-2 main_#t~post1#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post1#1;havoc main_#t~post1#1; 2084#L20-3 assume !!(main_~i~0#1 < 100000);call write~int(main_#t~nondet2#1, main_~#aa~0#1.base, main_~#aa~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet2#1; 2083#L20-2 main_#t~post1#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post1#1;havoc main_#t~post1#1; 2082#L20-3 assume !!(main_~i~0#1 < 100000);call write~int(main_#t~nondet2#1, main_~#aa~0#1.base, main_~#aa~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet2#1; 2081#L20-2 main_#t~post1#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post1#1;havoc main_#t~post1#1; 2080#L20-3 assume !!(main_~i~0#1 < 100000);call write~int(main_#t~nondet2#1, main_~#aa~0#1.base, main_~#aa~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet2#1; 2079#L20-2 main_#t~post1#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post1#1;havoc main_#t~post1#1; 2078#L20-3 assume !!(main_~i~0#1 < 100000);call write~int(main_#t~nondet2#1, main_~#aa~0#1.base, main_~#aa~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet2#1; 2077#L20-2 main_#t~post1#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post1#1;havoc main_#t~post1#1; 2076#L20-3 assume !!(main_~i~0#1 < 100000);call write~int(main_#t~nondet2#1, main_~#aa~0#1.base, main_~#aa~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet2#1; 2075#L20-2 main_#t~post1#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post1#1;havoc main_#t~post1#1; 2074#L20-3 assume !!(main_~i~0#1 < 100000);call write~int(main_#t~nondet2#1, main_~#aa~0#1.base, main_~#aa~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet2#1; 2073#L20-2 main_#t~post1#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post1#1;havoc main_#t~post1#1; 2072#L20-3 assume !!(main_~i~0#1 < 100000);call write~int(main_#t~nondet2#1, main_~#aa~0#1.base, main_~#aa~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet2#1; 2071#L20-2 main_#t~post1#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post1#1;havoc main_#t~post1#1; 2070#L20-3 assume !!(main_~i~0#1 < 100000);call write~int(main_#t~nondet2#1, main_~#aa~0#1.base, main_~#aa~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet2#1; 2069#L20-2 main_#t~post1#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post1#1;havoc main_#t~post1#1; 2068#L20-3 assume !!(main_~i~0#1 < 100000);call write~int(main_#t~nondet2#1, main_~#aa~0#1.base, main_~#aa~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet2#1; 2067#L20-2 main_#t~post1#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post1#1;havoc main_#t~post1#1; 2066#L20-3 assume !!(main_~i~0#1 < 100000);call write~int(main_#t~nondet2#1, main_~#aa~0#1.base, main_~#aa~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet2#1; 2065#L20-2 main_#t~post1#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post1#1;havoc main_#t~post1#1; 2064#L20-3 assume !!(main_~i~0#1 < 100000);call write~int(main_#t~nondet2#1, main_~#aa~0#1.base, main_~#aa~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet2#1; 2063#L20-2 main_#t~post1#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post1#1;havoc main_#t~post1#1; 2062#L20-3 assume !!(main_~i~0#1 < 100000);call write~int(main_#t~nondet2#1, main_~#aa~0#1.base, main_~#aa~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet2#1; 2061#L20-2 main_#t~post1#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post1#1;havoc main_#t~post1#1; 2060#L20-3 assume !!(main_~i~0#1 < 100000);call write~int(main_#t~nondet2#1, main_~#aa~0#1.base, main_~#aa~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet2#1; 2059#L20-2 main_#t~post1#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post1#1;havoc main_#t~post1#1; 2058#L20-3 assume !!(main_~i~0#1 < 100000);call write~int(main_#t~nondet2#1, main_~#aa~0#1.base, main_~#aa~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet2#1; 2057#L20-2 main_#t~post1#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post1#1;havoc main_#t~post1#1; 2056#L20-3 assume !!(main_~i~0#1 < 100000);call write~int(main_#t~nondet2#1, main_~#aa~0#1.base, main_~#aa~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet2#1; 2055#L20-2 main_#t~post1#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post1#1;havoc main_#t~post1#1; 2054#L20-3 assume !!(main_~i~0#1 < 100000);call write~int(main_#t~nondet2#1, main_~#aa~0#1.base, main_~#aa~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet2#1; 2053#L20-2 main_#t~post1#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post1#1;havoc main_#t~post1#1; 2052#L20-3 assume !!(main_~i~0#1 < 100000);call write~int(main_#t~nondet2#1, main_~#aa~0#1.base, main_~#aa~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet2#1; 2051#L20-2 main_#t~post1#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post1#1;havoc main_#t~post1#1; 2050#L20-3 assume !!(main_~i~0#1 < 100000);call write~int(main_#t~nondet2#1, main_~#aa~0#1.base, main_~#aa~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet2#1; 2049#L20-2 main_#t~post1#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post1#1;havoc main_#t~post1#1; 2048#L20-3 assume !!(main_~i~0#1 < 100000);call write~int(main_#t~nondet2#1, main_~#aa~0#1.base, main_~#aa~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet2#1; 2047#L20-2 main_#t~post1#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post1#1;havoc main_#t~post1#1; 2046#L20-3 assume !!(main_~i~0#1 < 100000);call write~int(main_#t~nondet2#1, main_~#aa~0#1.base, main_~#aa~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet2#1; 2045#L20-2 main_#t~post1#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post1#1;havoc main_#t~post1#1; 2044#L20-3 assume !!(main_~i~0#1 < 100000);call write~int(main_#t~nondet2#1, main_~#aa~0#1.base, main_~#aa~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet2#1; 2043#L20-2 main_#t~post1#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post1#1;havoc main_#t~post1#1; 2042#L20-3 assume !!(main_~i~0#1 < 100000);call write~int(main_#t~nondet2#1, main_~#aa~0#1.base, main_~#aa~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet2#1; 2041#L20-2 main_#t~post1#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post1#1;havoc main_#t~post1#1; 2040#L20-3 assume !(main_~i~0#1 < 100000); 2026#L25-2 [2022-11-16 12:39:55,006 INFO L750 eck$LassoCheckResult]: Loop: 2026#L25-2 call main_#t~mem3#1 := read~int(main_~#aa~0#1.base, main_~#aa~0#1.offset + 4 * main_~a~0#1, 4); 2027#L25 assume !!(main_#t~mem3#1 >= 0);havoc main_#t~mem3#1;main_#t~post4#1 := main_~a~0#1;main_~a~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 2026#L25-2 [2022-11-16 12:39:55,006 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:39:55,007 INFO L85 PathProgramCache]: Analyzing trace with hash 2115802601, now seen corresponding path program 6 times [2022-11-16 12:39:55,007 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 12:39:55,007 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [375160692] [2022-11-16 12:39:55,007 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:39:55,007 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 12:39:55,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:40:02,532 INFO L134 CoverageAnalysis]: Checked inductivity of 8836 backedges. 0 proven. 8836 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 12:40:02,532 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 12:40:02,532 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [375160692] [2022-11-16 12:40:02,532 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [375160692] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-16 12:40:02,532 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1536032489] [2022-11-16 12:40:02,533 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2022-11-16 12:40:02,533 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-16 12:40:02,533 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0647a5f9-33a5-40d9-bdbd-a744074c3f1b/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:40:02,535 INFO L229 MonitoredProcess]: Starting monitored process 28 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0647a5f9-33a5-40d9-bdbd-a744074c3f1b/bin/uautomizer-tPACEb0tL8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-16 12:40:02,538 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0647a5f9-33a5-40d9-bdbd-a744074c3f1b/bin/uautomizer-tPACEb0tL8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (28)] Waiting until timeout for monitored process