./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/ldv-regression/test_while_int.c_1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 2329fc70 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c298e07-0e96-4e7c-817f-6e2fd8512cfc/bin/uautomizer-uyxdKDjOR8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c298e07-0e96-4e7c-817f-6e2fd8512cfc/bin/uautomizer-uyxdKDjOR8/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c298e07-0e96-4e7c-817f-6e2fd8512cfc/bin/uautomizer-uyxdKDjOR8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c298e07-0e96-4e7c-817f-6e2fd8512cfc/bin/uautomizer-uyxdKDjOR8/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/ldv-regression/test_while_int.c_1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c298e07-0e96-4e7c-817f-6e2fd8512cfc/bin/uautomizer-uyxdKDjOR8/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c298e07-0e96-4e7c-817f-6e2fd8512cfc/bin/uautomizer-uyxdKDjOR8 --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(F end) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 0fa3b5fd31b0165adcc8931bdb36ef94241c9d1c36f2e335867de97d47f976fb --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-2329fc7 [2022-12-13 15:00:45,599 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-13 15:00:45,601 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-13 15:00:45,616 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-13 15:00:45,616 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-13 15:00:45,617 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-13 15:00:45,618 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-13 15:00:45,619 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-13 15:00:45,620 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-13 15:00:45,621 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-13 15:00:45,622 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-13 15:00:45,622 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-13 15:00:45,623 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-13 15:00:45,623 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-13 15:00:45,624 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-13 15:00:45,625 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-13 15:00:45,626 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-13 15:00:45,626 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-13 15:00:45,628 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-13 15:00:45,629 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-13 15:00:45,630 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-13 15:00:45,631 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-13 15:00:45,632 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-13 15:00:45,632 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-13 15:00:45,635 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-13 15:00:45,635 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-13 15:00:45,635 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-13 15:00:45,636 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-13 15:00:45,636 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-13 15:00:45,637 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-13 15:00:45,637 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-13 15:00:45,638 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-13 15:00:45,638 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-13 15:00:45,639 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-13 15:00:45,640 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-13 15:00:45,640 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-13 15:00:45,640 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-13 15:00:45,641 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-13 15:00:45,641 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-13 15:00:45,641 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-13 15:00:45,642 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-13 15:00:45,643 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c298e07-0e96-4e7c-817f-6e2fd8512cfc/bin/uautomizer-uyxdKDjOR8/config/svcomp-Termination-32bit-Automizer_Default.epf [2022-12-13 15:00:45,659 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-13 15:00:45,659 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-13 15:00:45,660 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-13 15:00:45,660 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-13 15:00:45,661 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-13 15:00:45,661 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-13 15:00:45,661 INFO L138 SettingsManager]: * Use SBE=true [2022-12-13 15:00:45,661 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2022-12-13 15:00:45,661 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2022-12-13 15:00:45,661 INFO L138 SettingsManager]: * Use old map elimination=false [2022-12-13 15:00:45,662 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2022-12-13 15:00:45,662 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2022-12-13 15:00:45,662 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2022-12-13 15:00:45,662 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-13 15:00:45,662 INFO L138 SettingsManager]: * sizeof long=4 [2022-12-13 15:00:45,662 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-12-13 15:00:45,663 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-13 15:00:45,663 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-12-13 15:00:45,663 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-13 15:00:45,663 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2022-12-13 15:00:45,663 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2022-12-13 15:00:45,663 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2022-12-13 15:00:45,663 INFO L138 SettingsManager]: * sizeof long double=12 [2022-12-13 15:00:45,664 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-13 15:00:45,664 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2022-12-13 15:00:45,664 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-13 15:00:45,664 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2022-12-13 15:00:45,664 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-13 15:00:45,665 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-12-13 15:00:45,665 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-13 15:00:45,665 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-12-13 15:00:45,666 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2022-12-13 15:00:45,666 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_8c298e07-0e96-4e7c-817f-6e2fd8512cfc/bin/uautomizer-uyxdKDjOR8/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c298e07-0e96-4e7c-817f-6e2fd8512cfc/bin/uautomizer-uyxdKDjOR8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0fa3b5fd31b0165adcc8931bdb36ef94241c9d1c36f2e335867de97d47f976fb [2022-12-13 15:00:45,865 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-13 15:00:45,885 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-13 15:00:45,886 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-13 15:00:45,887 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-13 15:00:45,888 INFO L275 PluginConnector]: CDTParser initialized [2022-12-13 15:00:45,888 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c298e07-0e96-4e7c-817f-6e2fd8512cfc/bin/uautomizer-uyxdKDjOR8/../../sv-benchmarks/c/ldv-regression/test_while_int.c_1.i [2022-12-13 15:00:48,464 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-13 15:00:48,606 INFO L351 CDTParser]: Found 1 translation units. [2022-12-13 15:00:48,607 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c298e07-0e96-4e7c-817f-6e2fd8512cfc/sv-benchmarks/c/ldv-regression/test_while_int.c_1.i [2022-12-13 15:00:48,612 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c298e07-0e96-4e7c-817f-6e2fd8512cfc/bin/uautomizer-uyxdKDjOR8/data/db96f418d/b6b3c2f744024ed69c6625971db373be/FLAGa9bb5bc44 [2022-12-13 15:00:48,625 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c298e07-0e96-4e7c-817f-6e2fd8512cfc/bin/uautomizer-uyxdKDjOR8/data/db96f418d/b6b3c2f744024ed69c6625971db373be [2022-12-13 15:00:48,628 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-13 15:00:48,629 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-13 15:00:48,630 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-13 15:00:48,631 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-13 15:00:48,634 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-13 15:00:48,635 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 03:00:48" (1/1) ... [2022-12-13 15:00:48,636 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6fda9949 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 03:00:48, skipping insertion in model container [2022-12-13 15:00:48,636 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 03:00:48" (1/1) ... [2022-12-13 15:00:48,643 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-13 15:00:48,656 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-13 15:00:48,781 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c298e07-0e96-4e7c-817f-6e2fd8512cfc/sv-benchmarks/c/ldv-regression/test_while_int.c_1.i[300,313] [2022-12-13 15:00:48,791 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 15:00:48,801 INFO L203 MainTranslator]: Completed pre-run [2022-12-13 15:00:48,811 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c298e07-0e96-4e7c-817f-6e2fd8512cfc/sv-benchmarks/c/ldv-regression/test_while_int.c_1.i[300,313] [2022-12-13 15:00:48,812 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 15:00:48,832 INFO L208 MainTranslator]: Completed translation [2022-12-13 15:00:48,832 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 03:00:48 WrapperNode [2022-12-13 15:00:48,833 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-13 15:00:48,834 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-13 15:00:48,834 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-13 15:00:48,834 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-13 15:00:48,840 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 03:00:48" (1/1) ... [2022-12-13 15:00:48,846 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 03:00:48" (1/1) ... [2022-12-13 15:00:48,858 INFO L138 Inliner]: procedures = 12, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 25 [2022-12-13 15:00:48,858 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-13 15:00:48,858 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-13 15:00:48,859 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-13 15:00:48,859 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-13 15:00:48,871 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 03:00:48" (1/1) ... [2022-12-13 15:00:48,871 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 03:00:48" (1/1) ... [2022-12-13 15:00:48,872 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 03:00:48" (1/1) ... [2022-12-13 15:00:48,872 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 03:00:48" (1/1) ... [2022-12-13 15:00:48,873 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 03:00:48" (1/1) ... [2022-12-13 15:00:48,875 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 03:00:48" (1/1) ... [2022-12-13 15:00:48,876 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 03:00:48" (1/1) ... [2022-12-13 15:00:48,876 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 03:00:48" (1/1) ... [2022-12-13 15:00:48,877 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-13 15:00:48,878 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-13 15:00:48,878 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-13 15:00:48,878 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-13 15:00:48,878 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 03:00:48" (1/1) ... [2022-12-13 15:00:48,883 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 15:00:48,891 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c298e07-0e96-4e7c-817f-6e2fd8512cfc/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 15:00:48,901 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c298e07-0e96-4e7c-817f-6e2fd8512cfc/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 15:00:48,903 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c298e07-0e96-4e7c-817f-6e2fd8512cfc/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2022-12-13 15:00:48,939 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-13 15:00:48,939 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-13 15:00:48,939 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-13 15:00:48,939 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-13 15:00:48,995 INFO L235 CfgBuilder]: Building ICFG [2022-12-13 15:00:48,996 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-13 15:00:49,068 INFO L276 CfgBuilder]: Performing block encoding [2022-12-13 15:00:49,073 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-13 15:00:49,074 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-12-13 15:00:49,076 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 03:00:49 BoogieIcfgContainer [2022-12-13 15:00:49,076 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-13 15:00:49,077 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2022-12-13 15:00:49,077 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2022-12-13 15:00:49,081 INFO L275 PluginConnector]: BuchiAutomizer initialized [2022-12-13 15:00:49,082 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-12-13 15:00:49,082 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 13.12 03:00:48" (1/3) ... [2022-12-13 15:00:49,083 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@582f71d0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 13.12 03:00:49, skipping insertion in model container [2022-12-13 15:00:49,083 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-12-13 15:00:49,083 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 03:00:48" (2/3) ... [2022-12-13 15:00:49,083 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@582f71d0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 13.12 03:00:49, skipping insertion in model container [2022-12-13 15:00:49,083 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-12-13 15:00:49,083 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 03:00:49" (3/3) ... [2022-12-13 15:00:49,085 INFO L332 chiAutomizerObserver]: Analyzing ICFG test_while_int.c_1.i [2022-12-13 15:00:49,139 INFO L303 stractBuchiCegarLoop]: Interprodecural is true [2022-12-13 15:00:49,139 INFO L304 stractBuchiCegarLoop]: Hoare is false [2022-12-13 15:00:49,139 INFO L305 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2022-12-13 15:00:49,139 INFO L306 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2022-12-13 15:00:49,139 INFO L307 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2022-12-13 15:00:49,139 INFO L308 stractBuchiCegarLoop]: Difference is false [2022-12-13 15:00:49,140 INFO L309 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2022-12-13 15:00:49,140 INFO L313 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2022-12-13 15:00:49,144 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 10 states, 9 states have (on average 1.3333333333333333) internal successors, (12), 9 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) [2022-12-13 15:00:49,160 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2022-12-13 15:00:49,161 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-12-13 15:00:49,161 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-12-13 15:00:49,166 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2022-12-13 15:00:49,166 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2022-12-13 15:00:49,166 INFO L335 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2022-12-13 15:00:49,167 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 10 states, 9 states have (on average 1.3333333333333333) internal successors, (12), 9 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) [2022-12-13 15:00:49,167 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2022-12-13 15:00:49,168 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-12-13 15:00:49,168 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-12-13 15:00:49,168 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2022-12-13 15:00:49,168 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2022-12-13 15:00:49,175 INFO L748 eck$LassoCheckResult]: Stem: 7#$Ultimate##0true assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(21, 2);call #Ultimate.allocInit(12, 3); 8#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~post4#1, main_~i~0#1;main_~i~0#1 := 0; 5#L18-2true [2022-12-13 15:00:49,176 INFO L750 eck$LassoCheckResult]: Loop: 5#L18-2true assume !!(main_~i~0#1 < 5);main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 3#L18true assume 3 != main_~i~0#1; 5#L18-2true [2022-12-13 15:00:49,181 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 15:00:49,181 INFO L85 PathProgramCache]: Analyzing trace with hash 963, now seen corresponding path program 1 times [2022-12-13 15:00:49,190 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 15:00:49,191 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1729190421] [2022-12-13 15:00:49,191 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 15:00:49,192 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 15:00:49,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 15:00:49,263 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-13 15:00:49,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 15:00:49,287 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-12-13 15:00:49,289 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 15:00:49,289 INFO L85 PathProgramCache]: Analyzing trace with hash 1316, now seen corresponding path program 1 times [2022-12-13 15:00:49,290 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 15:00:49,290 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [405957919] [2022-12-13 15:00:49,290 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 15:00:49,290 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 15:00:49,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 15:00:49,299 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-13 15:00:49,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 15:00:49,305 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-12-13 15:00:49,306 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 15:00:49,306 INFO L85 PathProgramCache]: Analyzing trace with hash 925798, now seen corresponding path program 1 times [2022-12-13 15:00:49,306 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 15:00:49,307 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [640192686] [2022-12-13 15:00:49,307 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 15:00:49,307 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 15:00:49,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 15:00:49,320 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-13 15:00:49,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 15:00:49,331 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-12-13 15:00:49,385 INFO L210 LassoAnalysis]: Preferences: [2022-12-13 15:00:49,385 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-12-13 15:00:49,385 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-12-13 15:00:49,386 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-12-13 15:00:49,386 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2022-12-13 15:00:49,386 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 15:00:49,386 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-12-13 15:00:49,386 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-12-13 15:00:49,386 INFO L133 ssoRankerPreferences]: Filename of dumped script: test_while_int.c_1.i_Iteration1_Loop [2022-12-13 15:00:49,386 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-12-13 15:00:49,387 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-12-13 15:00:49,402 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 15:00:49,420 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 15:00:49,496 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-12-13 15:00:49,497 INFO L404 LassoAnalysis]: Checking for nontermination... [2022-12-13 15:00:49,498 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 15:00:49,499 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c298e07-0e96-4e7c-817f-6e2fd8512cfc/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 15:00:49,500 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c298e07-0e96-4e7c-817f-6e2fd8512cfc/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 15:00:49,500 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c298e07-0e96-4e7c-817f-6e2fd8512cfc/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2022-12-13 15:00:49,502 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-12-13 15:00:49,502 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-12-13 15:00:49,519 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c298e07-0e96-4e7c-817f-6e2fd8512cfc/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Forceful destruction successful, exit code 0 [2022-12-13 15:00:49,520 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 15:00:49,520 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c298e07-0e96-4e7c-817f-6e2fd8512cfc/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 15:00:49,521 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c298e07-0e96-4e7c-817f-6e2fd8512cfc/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 15:00:49,522 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c298e07-0e96-4e7c-817f-6e2fd8512cfc/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2022-12-13 15:00:49,523 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2022-12-13 15:00:49,524 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-12-13 15:00:49,617 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2022-12-13 15:00:49,620 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c298e07-0e96-4e7c-817f-6e2fd8512cfc/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Ended with exit code 0 [2022-12-13 15:00:49,620 INFO L210 LassoAnalysis]: Preferences: [2022-12-13 15:00:49,620 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-12-13 15:00:49,620 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-12-13 15:00:49,620 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-12-13 15:00:49,620 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-12-13 15:00:49,620 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 15:00:49,621 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-12-13 15:00:49,621 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-12-13 15:00:49,621 INFO L133 ssoRankerPreferences]: Filename of dumped script: test_while_int.c_1.i_Iteration1_Loop [2022-12-13 15:00:49,621 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-12-13 15:00:49,621 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-12-13 15:00:49,622 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 15:00:49,624 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 15:00:49,678 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-12-13 15:00:49,682 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-12-13 15:00:49,683 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 15:00:49,684 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c298e07-0e96-4e7c-817f-6e2fd8512cfc/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 15:00:49,685 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c298e07-0e96-4e7c-817f-6e2fd8512cfc/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 15:00:49,686 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c298e07-0e96-4e7c-817f-6e2fd8512cfc/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2022-12-13 15:00:49,687 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-12-13 15:00:49,698 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-12-13 15:00:49,698 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-12-13 15:00:49,698 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-12-13 15:00:49,698 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-12-13 15:00:49,698 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-12-13 15:00:49,700 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-12-13 15:00:49,700 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-12-13 15:00:49,702 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-12-13 15:00:49,705 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c298e07-0e96-4e7c-817f-6e2fd8512cfc/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Ended with exit code 0 [2022-12-13 15:00:49,705 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 15:00:49,705 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c298e07-0e96-4e7c-817f-6e2fd8512cfc/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 15:00:49,706 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c298e07-0e96-4e7c-817f-6e2fd8512cfc/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 15:00:49,707 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c298e07-0e96-4e7c-817f-6e2fd8512cfc/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2022-12-13 15:00:49,708 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-12-13 15:00:49,719 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-12-13 15:00:49,719 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-12-13 15:00:49,719 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-12-13 15:00:49,719 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2022-12-13 15:00:49,719 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-12-13 15:00:49,721 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2022-12-13 15:00:49,721 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-12-13 15:00:49,725 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2022-12-13 15:00:49,731 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2022-12-13 15:00:49,731 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 0 variables to zero. [2022-12-13 15:00:49,732 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 15:00:49,733 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c298e07-0e96-4e7c-817f-6e2fd8512cfc/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 15:00:49,766 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c298e07-0e96-4e7c-817f-6e2fd8512cfc/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 15:00:49,767 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c298e07-0e96-4e7c-817f-6e2fd8512cfc/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2022-12-13 15:00:49,768 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2022-12-13 15:00:49,768 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2022-12-13 15:00:49,768 INFO L513 LassoAnalysis]: Proved termination. [2022-12-13 15:00:49,769 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~i~0#1) = -2*ULTIMATE.start_main_~i~0#1 + 9 Supporting invariants [] [2022-12-13 15:00:49,772 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c298e07-0e96-4e7c-817f-6e2fd8512cfc/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Forceful destruction successful, exit code 0 [2022-12-13 15:00:49,777 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2022-12-13 15:00:49,804 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 15:00:49,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:00:49,821 INFO L263 TraceCheckSpWp]: Trace formula consists of 27 conjuncts, 2 conjunts are in the unsatisfiable core [2022-12-13 15:00:49,823 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 15:00:49,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:00:49,837 WARN L261 TraceCheckSpWp]: Trace formula consists of 6 conjuncts, 4 conjunts are in the unsatisfiable core [2022-12-13 15:00:49,837 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 15:00:49,877 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 15:00:49,905 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2022-12-13 15:00:49,906 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand has 10 states, 9 states have (on average 1.3333333333333333) internal successors, (12), 9 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) Second operand has 3 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 15:00:49,939 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand has 10 states, 9 states have (on average 1.3333333333333333) internal successors, (12), 9 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). 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 25 states and 32 transitions. Complement of second has 5 states. [2022-12-13 15:00:49,941 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2022-12-13 15:00:49,945 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 15:00:49,946 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 24 transitions. [2022-12-13 15:00:49,947 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 24 transitions. Stem has 2 letters. Loop has 2 letters. [2022-12-13 15:00:49,948 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-12-13 15:00:49,948 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 24 transitions. Stem has 4 letters. Loop has 2 letters. [2022-12-13 15:00:49,949 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-12-13 15:00:49,949 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 24 transitions. Stem has 2 letters. Loop has 4 letters. [2022-12-13 15:00:49,949 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-12-13 15:00:49,950 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 25 states and 32 transitions. [2022-12-13 15:00:49,952 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2022-12-13 15:00:49,955 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 25 states to 0 states and 0 transitions. [2022-12-13 15:00:49,955 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2022-12-13 15:00:49,956 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2022-12-13 15:00:49,956 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2022-12-13 15:00:49,956 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-12-13 15:00:49,956 INFO L218 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-12-13 15:00:49,956 INFO L240 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-12-13 15:00:49,956 INFO L428 stractBuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-12-13 15:00:49,957 INFO L335 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2022-12-13 15:00:49,957 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2022-12-13 15:00:49,957 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2022-12-13 15:00:49,957 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2022-12-13 15:00:49,963 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 13.12 03:00:49 BoogieIcfgContainer [2022-12-13 15:00:49,964 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2022-12-13 15:00:49,964 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-12-13 15:00:49,964 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-12-13 15:00:49,964 INFO L275 PluginConnector]: Witness Printer initialized [2022-12-13 15:00:49,965 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 03:00:49" (3/4) ... [2022-12-13 15:00:49,967 INFO L140 WitnessPrinter]: No result that supports witness generation found [2022-12-13 15:00:49,967 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-12-13 15:00:49,968 INFO L158 Benchmark]: Toolchain (without parser) took 1338.81ms. Allocated memory was 119.5MB in the beginning and 151.0MB in the end (delta: 31.5MB). Free memory was 68.9MB in the beginning and 70.3MB in the end (delta: -1.4MB). Peak memory consumption was 31.2MB. Max. memory is 16.1GB. [2022-12-13 15:00:49,969 INFO L158 Benchmark]: CDTParser took 0.10ms. Allocated memory is still 119.5MB. Free memory is still 90.9MB. There was no memory consumed. Max. memory is 16.1GB. [2022-12-13 15:00:49,970 INFO L158 Benchmark]: CACSL2BoogieTranslator took 202.76ms. Allocated memory was 119.5MB in the beginning and 151.0MB in the end (delta: 31.5MB). Free memory was 68.7MB in the beginning and 122.5MB in the end (delta: -53.8MB). Peak memory consumption was 14.2MB. Max. memory is 16.1GB. [2022-12-13 15:00:49,970 INFO L158 Benchmark]: Boogie Procedure Inliner took 24.21ms. Allocated memory is still 151.0MB. Free memory was 122.4MB in the beginning and 121.1MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. [2022-12-13 15:00:49,971 INFO L158 Benchmark]: Boogie Preprocessor took 18.73ms. Allocated memory is still 151.0MB. Free memory was 121.0MB in the beginning and 123.3MB in the end (delta: -2.3MB). Peak memory consumption was 4.4MB. Max. memory is 16.1GB. [2022-12-13 15:00:49,971 INFO L158 Benchmark]: RCFGBuilder took 198.35ms. Allocated memory is still 151.0MB. Free memory was 123.3MB in the beginning and 114.9MB in the end (delta: 8.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2022-12-13 15:00:49,972 INFO L158 Benchmark]: BuchiAutomizer took 886.73ms. Allocated memory is still 151.0MB. Free memory was 114.9MB in the beginning and 70.9MB in the end (delta: 44.0MB). Peak memory consumption was 44.0MB. Max. memory is 16.1GB. [2022-12-13 15:00:49,972 INFO L158 Benchmark]: Witness Printer took 3.33ms. Allocated memory is still 151.0MB. Free memory was 70.9MB in the beginning and 70.3MB in the end (delta: 587.7kB). There was no memory consumed. Max. memory is 16.1GB. [2022-12-13 15:00:49,975 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.10ms. Allocated memory is still 119.5MB. Free memory is still 90.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 202.76ms. Allocated memory was 119.5MB in the beginning and 151.0MB in the end (delta: 31.5MB). Free memory was 68.7MB in the beginning and 122.5MB in the end (delta: -53.8MB). Peak memory consumption was 14.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 24.21ms. Allocated memory is still 151.0MB. Free memory was 122.4MB in the beginning and 121.1MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 18.73ms. Allocated memory is still 151.0MB. Free memory was 121.0MB in the beginning and 123.3MB in the end (delta: -2.3MB). Peak memory consumption was 4.4MB. Max. memory is 16.1GB. * RCFGBuilder took 198.35ms. Allocated memory is still 151.0MB. Free memory was 123.3MB in the beginning and 114.9MB in the end (delta: 8.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * BuchiAutomizer took 886.73ms. Allocated memory is still 151.0MB. Free memory was 114.9MB in the beginning and 70.9MB in the end (delta: 44.0MB). Peak memory consumption was 44.0MB. Max. memory is 16.1GB. * Witness Printer took 3.33ms. Allocated memory is still 151.0MB. Free memory was 70.9MB in the beginning and 70.3MB in the end (delta: 587.7kB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 1 terminating modules (0 trivial, 1 deterministic, 0 nondeterministic). One deterministic module has affine ranking function -2 * i + 9 and consists of 4 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 0.8s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 0.6s. Construction of modules took 0.0s. Büchi inclusion checks took 0.1s. Highest rank in rank-based complementation 3. Minimization of det autom 1. Minimization of nondet autom 0. Automata minimization No data available. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had -1 states and ocurred in iteration -1. Nontrivial modules had stage [1, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 8 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 7 mSDsluCounter, 8 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 3 mSDsCounter, 1 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 7 IncrementalHoareTripleChecker+Invalid, 8 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 1 mSolverCounterUnsat, 5 mSDtfsCounter, 7 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT1 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: Lassos: inital14 mio100 ax100 hnf100 lsp100 ukn100 mio100 lsp100 div100 bol100 ite100 ukn100 eq171 hnf95 smp100 dnf165 smp92 tf105 neg94 sie117 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: sat Degree: 0 Time: 62ms VariablesStem: 0 VariablesLoop: 2 DisjunctsStem: 1 DisjunctsLoop: 2 SupportingInvariants: 0 MotzkinApplications: 4 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 1 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.1s InitialAbstractionConstructionTime: 0.0s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! [2022-12-13 15:00:49,984 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c298e07-0e96-4e7c-817f-6e2fd8512cfc/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Ended with exit code 0 [2022-12-13 15:00:50,187 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c298e07-0e96-4e7c-817f-6e2fd8512cfc/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE