./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/product-lines/email_spec3_product31.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 0e0057cc 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_dd394a0f-0f74-474a-92bc-52ff83777c33/bin/uautomizer-verify-VRDe98Ueme/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd394a0f-0f74-474a-92bc-52ff83777c33/bin/uautomizer-verify-VRDe98Ueme/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd394a0f-0f74-474a-92bc-52ff83777c33/bin/uautomizer-verify-VRDe98Ueme/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd394a0f-0f74-474a-92bc-52ff83777c33/bin/uautomizer-verify-VRDe98Ueme/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/product-lines/email_spec3_product31.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd394a0f-0f74-474a-92bc-52ff83777c33/bin/uautomizer-verify-VRDe98Ueme/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd394a0f-0f74-474a-92bc-52ff83777c33/bin/uautomizer-verify-VRDe98Ueme --witnessprinter.witness.filename witness --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 beb678f648eb46083c76f273f6eef79e0abada1343858eba26829a720997a379 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-26 12:02:34,079 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-26 12:02:34,155 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd394a0f-0f74-474a-92bc-52ff83777c33/bin/uautomizer-verify-VRDe98Ueme/config/svcomp-Termination-32bit-Automizer_Default.epf [2023-11-26 12:02:34,160 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-26 12:02:34,161 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-26 12:02:34,202 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-26 12:02:34,203 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-26 12:02:34,203 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-26 12:02:34,204 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-11-26 12:02:34,205 INFO L153 SettingsManager]: * Use memory slicer=true [2023-11-26 12:02:34,206 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-26 12:02:34,207 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-26 12:02:34,207 INFO L153 SettingsManager]: * Use SBE=true [2023-11-26 12:02:34,208 INFO L151 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2023-11-26 12:02:34,208 INFO L153 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2023-11-26 12:02:34,209 INFO L153 SettingsManager]: * Use old map elimination=false [2023-11-26 12:02:34,209 INFO L153 SettingsManager]: * Use external solver (rank synthesis)=false [2023-11-26 12:02:34,210 INFO L153 SettingsManager]: * Use only trivial implications for array writes=true [2023-11-26 12:02:34,210 INFO L153 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2023-11-26 12:02:34,211 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-26 12:02:34,211 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2023-11-26 12:02:34,212 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-26 12:02:34,213 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-26 12:02:34,213 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-26 12:02:34,214 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-26 12:02:34,214 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2023-11-26 12:02:34,215 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2023-11-26 12:02:34,215 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2023-11-26 12:02:34,215 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-26 12:02:34,216 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-26 12:02:34,216 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-26 12:02:34,217 INFO L153 SettingsManager]: * Assume nondeterminstic values are in range=false [2023-11-26 12:02:34,217 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-26 12:02:34,218 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-26 12:02:34,218 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-26 12:02:34,219 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-26 12:02:34,219 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-26 12:02:34,220 INFO L151 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2023-11-26 12:02:34,220 INFO L153 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_dd394a0f-0f74-474a-92bc-52ff83777c33/bin/uautomizer-verify-VRDe98Ueme/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd394a0f-0f74-474a-92bc-52ff83777c33/bin/uautomizer-verify-VRDe98Ueme Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> beb678f648eb46083c76f273f6eef79e0abada1343858eba26829a720997a379 [2023-11-26 12:02:34,495 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-26 12:02:34,531 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-26 12:02:34,534 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-26 12:02:34,536 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-26 12:02:34,537 INFO L274 PluginConnector]: CDTParser initialized [2023-11-26 12:02:34,538 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd394a0f-0f74-474a-92bc-52ff83777c33/bin/uautomizer-verify-VRDe98Ueme/../../sv-benchmarks/c/product-lines/email_spec3_product31.cil.c [2023-11-26 12:02:37,733 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-26 12:02:38,091 INFO L384 CDTParser]: Found 1 translation units. [2023-11-26 12:02:38,091 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd394a0f-0f74-474a-92bc-52ff83777c33/sv-benchmarks/c/product-lines/email_spec3_product31.cil.c [2023-11-26 12:02:38,125 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd394a0f-0f74-474a-92bc-52ff83777c33/bin/uautomizer-verify-VRDe98Ueme/data/452d23bc8/bce8af3815684311afc8afeb7ba30e9f/FLAGd7c30456b [2023-11-26 12:02:38,144 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd394a0f-0f74-474a-92bc-52ff83777c33/bin/uautomizer-verify-VRDe98Ueme/data/452d23bc8/bce8af3815684311afc8afeb7ba30e9f [2023-11-26 12:02:38,147 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-26 12:02:38,151 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-26 12:02:38,154 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-26 12:02:38,155 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-26 12:02:38,161 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-26 12:02:38,162 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 12:02:38" (1/1) ... [2023-11-26 12:02:38,163 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@40c22a83 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:02:38, skipping insertion in model container [2023-11-26 12:02:38,163 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 12:02:38" (1/1) ... [2023-11-26 12:02:38,280 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-26 12:02:39,047 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-26 12:02:39,075 INFO L202 MainTranslator]: Completed pre-run [2023-11-26 12:02:39,086 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"ClientLib.i","") [48] [2023-11-26 12:02:39,088 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [1128] [2023-11-26 12:02:39,088 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [1435] [2023-11-26 12:02:39,088 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [1801] [2023-11-26 12:02:39,089 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [1836] [2023-11-26 12:02:39,089 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [1845] [2023-11-26 12:02:39,089 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Client.i","") [2061] [2023-11-26 12:02:39,089 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"SignVerify_spec.i","") [2436] [2023-11-26 12:02:39,090 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"EmailLib.i","") [2494] [2023-11-26 12:02:39,090 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Email.i","") [2893] [2023-11-26 12:02:39,090 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Util.i","") [3028] [2023-11-26 12:02:39,260 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-26 12:02:39,302 WARN L675 CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler. [2023-11-26 12:02:39,311 INFO L206 MainTranslator]: Completed translation [2023-11-26 12:02:39,312 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:02:39 WrapperNode [2023-11-26 12:02:39,313 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-26 12:02:39,314 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-26 12:02:39,315 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-26 12:02:39,315 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-26 12:02:39,323 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:02:39" (1/1) ... [2023-11-26 12:02:39,382 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:02:39" (1/1) ... [2023-11-26 12:02:39,508 INFO L138 Inliner]: procedures = 132, calls = 228, calls flagged for inlining = 135, calls inlined = 201, statements flattened = 3059 [2023-11-26 12:02:39,509 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-26 12:02:39,510 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-26 12:02:39,510 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-26 12:02:39,510 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-26 12:02:39,526 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:02:39" (1/1) ... [2023-11-26 12:02:39,526 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:02:39" (1/1) ... [2023-11-26 12:02:39,545 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:02:39" (1/1) ... [2023-11-26 12:02:39,629 INFO L175 MemorySlicer]: Split 14 memory accesses to 4 slices as follows [2, 4, 4, 4]. 29 percent of accesses are in the largest equivalence class. The 14 initializations are split as follows [2, 4, 4, 4]. The 0 writes are split as follows [0, 0, 0, 0]. [2023-11-26 12:02:39,630 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:02:39" (1/1) ... [2023-11-26 12:02:39,630 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:02:39" (1/1) ... [2023-11-26 12:02:39,668 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:02:39" (1/1) ... [2023-11-26 12:02:39,703 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:02:39" (1/1) ... [2023-11-26 12:02:39,708 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:02:39" (1/1) ... [2023-11-26 12:02:39,732 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:02:39" (1/1) ... [2023-11-26 12:02:39,753 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-26 12:02:39,754 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-26 12:02:39,754 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-26 12:02:39,754 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-26 12:02:39,755 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:02:39" (1/1) ... [2023-11-26 12:02:39,765 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 12:02:39,778 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd394a0f-0f74-474a-92bc-52ff83777c33/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 12:02:39,789 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd394a0f-0f74-474a-92bc-52ff83777c33/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 12:02:39,795 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd394a0f-0f74-474a-92bc-52ff83777c33/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2023-11-26 12:02:39,834 INFO L130 BoogieDeclarations]: Found specification of procedure puts [2023-11-26 12:02:39,834 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-26 12:02:39,834 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2023-11-26 12:02:39,834 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2023-11-26 12:02:39,835 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2023-11-26 12:02:39,835 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2023-11-26 12:02:39,835 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-26 12:02:39,835 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-26 12:02:40,102 INFO L241 CfgBuilder]: Building ICFG [2023-11-26 12:02:40,104 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-26 12:02:41,642 INFO L282 CfgBuilder]: Performing block encoding [2023-11-26 12:02:41,678 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-26 12:02:41,679 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-26 12:02:41,681 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 12:02:41 BoogieIcfgContainer [2023-11-26 12:02:41,681 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-26 12:02:41,683 INFO L112 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2023-11-26 12:02:41,683 INFO L270 PluginConnector]: Initializing BuchiAutomizer... [2023-11-26 12:02:41,686 INFO L274 PluginConnector]: BuchiAutomizer initialized [2023-11-26 12:02:41,687 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2023-11-26 12:02:41,688 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 26.11 12:02:38" (1/3) ... [2023-11-26 12:02:41,690 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@94ac57a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 26.11 12:02:41, skipping insertion in model container [2023-11-26 12:02:41,690 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2023-11-26 12:02:41,690 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:02:39" (2/3) ... [2023-11-26 12:02:41,693 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@94ac57a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 26.11 12:02:41, skipping insertion in model container [2023-11-26 12:02:41,694 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2023-11-26 12:02:41,694 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 12:02:41" (3/3) ... [2023-11-26 12:02:41,695 INFO L332 chiAutomizerObserver]: Analyzing ICFG email_spec3_product31.cil.c [2023-11-26 12:02:41,776 INFO L303 stractBuchiCegarLoop]: Interprodecural is true [2023-11-26 12:02:41,777 INFO L304 stractBuchiCegarLoop]: Hoare is false [2023-11-26 12:02:41,777 INFO L305 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2023-11-26 12:02:41,777 INFO L306 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2023-11-26 12:02:41,777 INFO L307 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2023-11-26 12:02:41,777 INFO L308 stractBuchiCegarLoop]: Difference is false [2023-11-26 12:02:41,777 INFO L309 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2023-11-26 12:02:41,778 INFO L313 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2023-11-26 12:02:41,786 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 656 states, 655 states have (on average 1.6717557251908397) internal successors, (1095), 655 states have internal predecessors, (1095), 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) [2023-11-26 12:02:41,847 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 222 [2023-11-26 12:02:41,848 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-26 12:02:41,848 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-26 12:02:41,860 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-26 12:02:41,862 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1] [2023-11-26 12:02:41,862 INFO L335 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2023-11-26 12:02:41,864 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 656 states, 655 states have (on average 1.6717557251908397) internal successors, (1095), 655 states have internal predecessors, (1095), 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) [2023-11-26 12:02:41,887 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 222 [2023-11-26 12:02:41,888 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-26 12:02:41,888 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-26 12:02:41,893 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-26 12:02:41,893 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1] [2023-11-26 12:02:41,908 INFO L748 eck$LassoCheckResult]: Stem: 206#$Ultimate##0true assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int#0(48, 1, 0, 1);call write~init~int#0(0, 1, 1, 1);call #Ultimate.allocInit(28, 2);call #Ultimate.allocInit(12, 3);call #Ultimate.allocInit(44, 4);call #Ultimate.allocInit(44, 5);call #Ultimate.allocInit(9, 6);call #Ultimate.allocInit(9, 7);call #Ultimate.allocInit(11, 8);call #Ultimate.allocInit(19, 9);call #Ultimate.allocInit(4, 10);call write~init~int#2(37, 10, 0, 1);call write~init~int#2(100, 10, 1, 1);call write~init~int#2(10, 10, 2, 1);call write~init~int#2(0, 10, 3, 1);call #Ultimate.allocInit(4, 11);call write~init~int#3(37, 11, 0, 1);call write~init~int#3(100, 11, 1, 1);call write~init~int#3(10, 11, 2, 1);call write~init~int#3(0, 11, 3, 1);call #Ultimate.allocInit(30, 12);call #Ultimate.allocInit(9, 13);call #Ultimate.allocInit(21, 14);call #Ultimate.allocInit(30, 15);call #Ultimate.allocInit(9, 16);call #Ultimate.allocInit(21, 17);call #Ultimate.allocInit(30, 18);call #Ultimate.allocInit(9, 19);call #Ultimate.allocInit(25, 20);call #Ultimate.allocInit(30, 21);call #Ultimate.allocInit(9, 22);call #Ultimate.allocInit(25, 23);call #Ultimate.allocInit(10, 24);call #Ultimate.allocInit(16, 25);call #Ultimate.allocInit(20, 26);call #Ultimate.allocInit(21, 27);call #Ultimate.allocInit(13, 28);call #Ultimate.allocInit(16, 29);call #Ultimate.allocInit(15, 30);call #Ultimate.allocInit(16, 31);call #Ultimate.allocInit(10, 32);call #Ultimate.allocInit(12, 33);call #Ultimate.allocInit(10, 34);call #Ultimate.allocInit(18, 35);call #Ultimate.allocInit(16, 36);call #Ultimate.allocInit(21, 37);call #Ultimate.allocInit(13, 38);call #Ultimate.allocInit(16, 39);call #Ultimate.allocInit(25, 40);call #Ultimate.allocInit(4, 41);call write~init~int#1(37, 41, 0, 1);call write~init~int#1(115, 41, 1, 1);call write~init~int#1(10, 41, 2, 1);call write~init~int#1(0, 41, 3, 1);~__ste_Client_counter~0 := 0;~__ste_client_name0~0.base, ~__ste_client_name0~0.offset := 0, 0;~__ste_client_name1~0.base, ~__ste_client_name1~0.offset := 0, 0;~__ste_client_name2~0.base, ~__ste_client_name2~0.offset := 0, 0;~__ste_client_outbuffer0~0 := 0;~__ste_client_outbuffer1~0 := 0;~__ste_client_outbuffer2~0 := 0;~__ste_client_outbuffer3~0 := 0;~__ste_ClientAddressBook_size0~0 := 0;~__ste_ClientAddressBook_size1~0 := 0;~__ste_ClientAddressBook_size2~0 := 0;~__ste_Client_AddressBook0_Alias0~0 := 0;~__ste_Client_AddressBook0_Alias1~0 := 0;~__ste_Client_AddressBook0_Alias2~0 := 0;~__ste_Client_AddressBook1_Alias0~0 := 0;~__ste_Client_AddressBook1_Alias1~0 := 0;~__ste_Client_AddressBook1_Alias2~0 := 0;~__ste_Client_AddressBook2_Alias0~0 := 0;~__ste_Client_AddressBook2_Alias1~0 := 0;~__ste_Client_AddressBook2_Alias2~0 := 0;~__ste_Client_AddressBook0_Address0~0 := 0;~__ste_Client_AddressBook0_Address1~0 := 0;~__ste_Client_AddressBook0_Address2~0 := 0;~__ste_Client_AddressBook1_Address0~0 := 0;~__ste_Client_AddressBook1_Address1~0 := 0;~__ste_Client_AddressBook1_Address2~0 := 0;~__ste_Client_AddressBook2_Address0~0 := 0;~__ste_Client_AddressBook2_Address1~0 := 0;~__ste_Client_AddressBook2_Address2~0 := 0;~__ste_client_autoResponse0~0 := 0;~__ste_client_autoResponse1~0 := 0;~__ste_client_autoResponse2~0 := 0;~__ste_client_privateKey0~0 := 0;~__ste_client_privateKey1~0 := 0;~__ste_client_privateKey2~0 := 0;~__ste_ClientKeyring_size0~0 := 0;~__ste_ClientKeyring_size1~0 := 0;~__ste_ClientKeyring_size2~0 := 0;~__ste_Client_Keyring0_User0~0 := 0;~__ste_Client_Keyring0_User1~0 := 0;~__ste_Client_Keyring0_User2~0 := 0;~__ste_Client_Keyring1_User0~0 := 0;~__ste_Client_Keyring1_User1~0 := 0;~__ste_Client_Keyring1_User2~0 := 0;~__ste_Client_Keyring2_User0~0 := 0;~__ste_Client_Keyring2_User1~0 := 0;~__ste_Client_Keyring2_User2~0 := 0;~__ste_Client_Keyring0_PublicKey0~0 := 0;~__ste_Client_Keyring0_PublicKey1~0 := 0;~__ste_Client_Keyring0_PublicKey2~0 := 0;~__ste_Client_Keyring1_PublicKey0~0 := 0;~__ste_Client_Keyring1_PublicKey1~0 := 0;~__ste_Client_Keyring1_PublicKey2~0 := 0;~__ste_Client_Keyring2_PublicKey0~0 := 0;~__ste_Client_Keyring2_PublicKey1~0 := 0;~__ste_Client_Keyring2_PublicKey2~0 := 0;~__ste_client_forwardReceiver0~0 := 0;~__ste_client_forwardReceiver1~0 := 0;~__ste_client_forwardReceiver2~0 := 0;~__ste_client_forwardReceiver3~0 := 0;~__ste_client_idCounter0~0 := 0;~__ste_client_idCounter1~0 := 0;~__ste_client_idCounter2~0 := 0;~__SELECTED_FEATURE_Base~0 := 0;~__SELECTED_FEATURE_Keys~0 := 0;~__SELECTED_FEATURE_Encrypt~0 := 0;~__SELECTED_FEATURE_AutoResponder~0 := 0;~__SELECTED_FEATURE_AddressBook~0 := 0;~__SELECTED_FEATURE_Sign~0 := 0;~__SELECTED_FEATURE_Forward~0 := 0;~__SELECTED_FEATURE_Verify~0 := 0;~__SELECTED_FEATURE_Decrypt~0 := 0;~__GUIDSL_ROOT_PRODUCTION~0 := 0;~__GUIDSL_NON_TERMINAL_main~0 := 0;~bob~0 := 0;~rjh~0 := 0;~chuck~0 := 0;~head~0.base, ~head~0.offset := 0, 0;~queue_empty~0 := 1;~queued_message~0 := 0;~queued_client~0 := 0;~sent_signed~0 := -1;~__ste_Email_counter~0 := 0;~__ste_email_id0~0 := 0;~__ste_email_id1~0 := 0;~__ste_email_from0~0 := 0;~__ste_email_from1~0 := 0;~__ste_email_to0~0 := 0;~__ste_email_to1~0 := 0;~__ste_email_subject0~0.base, ~__ste_email_subject0~0.offset := 0, 0;~__ste_email_subject1~0.base, ~__ste_email_subject1~0.offset := 0, 0;~__ste_email_body0~0.base, ~__ste_email_body0~0.offset := 0, 0;~__ste_email_body1~0.base, ~__ste_email_body1~0.offset := 0, 0;~__ste_email_isEncrypted0~0 := 0;~__ste_email_isEncrypted1~0 := 0;~__ste_email_encryptionKey0~0 := 0;~__ste_email_encryptionKey1~0 := 0;~__ste_email_isSigned0~0 := 0;~__ste_email_isSigned1~0 := 0;~__ste_email_signKey0~0 := 0;~__ste_email_signKey1~0 := 0;~__ste_email_isSignatureVerified0~0 := 0;~__ste_email_isSignatureVerified1~0 := 0; 542#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret16#1, main_~retValue_acc~17#1, main_~tmp~3#1;havoc main_~retValue_acc~17#1;havoc main_~tmp~3#1;assume { :begin_inline_select_helpers } true; 354#select_helpers_returnLabel#1true assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 623#select_features_returnLabel#1true assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~22#1;havoc valid_product_~retValue_acc~22#1;valid_product_~retValue_acc~22#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~22#1; 119#valid_product_returnLabel#1true main_#t~ret16#1 := valid_product_#res#1;havoc valid_product_~retValue_acc~22#1;assume { :end_inline_valid_product } true;main_~tmp~3#1 := main_#t~ret16#1;havoc main_#t~ret16#1; 575#L1302true assume 0 != main_~tmp~3#1;assume { :begin_inline_setup } true;havoc setup_#t~nondet13#1, setup_#t~nondet14#1, setup_#t~nondet15#1, setup_~__cil_tmp1~0#1.base, setup_~__cil_tmp1~0#1.offset, setup_~__cil_tmp2~0#1.base, setup_~__cil_tmp2~0#1.offset, setup_~__cil_tmp3~1#1.base, setup_~__cil_tmp3~1#1.offset;havoc setup_~__cil_tmp1~0#1.base, setup_~__cil_tmp1~0#1.offset;havoc setup_~__cil_tmp2~0#1.base, setup_~__cil_tmp2~0#1.offset;havoc setup_~__cil_tmp3~1#1.base, setup_~__cil_tmp3~1#1.offset;~bob~0 := 1;assume { :begin_inline_setup_bob } true;setup_bob_#in~bob___0#1 := ~bob~0;havoc setup_bob_~bob___0#1;setup_bob_~bob___0#1 := setup_bob_#in~bob___0#1;assume { :begin_inline_setup_bob__wrappee__Base } true;setup_bob__wrappee__Base_#in~bob___0#1 := setup_bob_~bob___0#1;havoc setup_bob__wrappee__Base_~bob___0#1;setup_bob__wrappee__Base_~bob___0#1 := setup_bob__wrappee__Base_#in~bob___0#1;assume { :begin_inline_setClientId } true;setClientId_#in~handle#1, setClientId_#in~value#1 := setup_bob__wrappee__Base_~bob___0#1, setup_bob__wrappee__Base_~bob___0#1;havoc setClientId_~handle#1, setClientId_~value#1;setClientId_~handle#1 := setClientId_#in~handle#1;setClientId_~value#1 := setClientId_#in~value#1; 569#L1112true assume 1 == setClientId_~handle#1;~__ste_client_idCounter0~0 := setClientId_~value#1; 347#L1118-2true havoc setClientId_~handle#1, setClientId_~value#1;havoc setClientId_#in~handle#1, setClientId_#in~value#1;assume { :end_inline_setClientId } true; 348#setup_bob__wrappee__Base_returnLabel#1true havoc setup_bob__wrappee__Base_~bob___0#1;havoc setup_bob__wrappee__Base_#in~bob___0#1;assume { :end_inline_setup_bob__wrappee__Base } true;assume { :begin_inline_setClientPrivateKey } true;setClientPrivateKey_#in~handle#1, setClientPrivateKey_#in~value#1 := setup_bob_~bob___0#1, 123;havoc setClientPrivateKey_~handle#1, setClientPrivateKey_~value#1;setClientPrivateKey_~handle#1 := setClientPrivateKey_#in~handle#1;setClientPrivateKey_~value#1 := setClientPrivateKey_#in~value#1; 333#L677true assume 1 == setClientPrivateKey_~handle#1;~__ste_client_privateKey0~0 := setClientPrivateKey_~value#1; 59#L683-2true havoc setClientPrivateKey_~handle#1, setClientPrivateKey_~value#1;havoc setClientPrivateKey_#in~handle#1, setClientPrivateKey_#in~value#1;assume { :end_inline_setClientPrivateKey } true; 627#setup_bob_returnLabel#1true havoc setup_bob_~bob___0#1;havoc setup_bob_#in~bob___0#1;assume { :end_inline_setup_bob } true;setup_~__cil_tmp1~0#1.base, setup_~__cil_tmp1~0#1.offset := 6, 0;havoc setup_#t~nondet13#1;~rjh~0 := 2;assume { :begin_inline_setup_rjh } true;setup_rjh_#in~rjh___0#1 := ~rjh~0;havoc setup_rjh_~rjh___0#1;setup_rjh_~rjh___0#1 := setup_rjh_#in~rjh___0#1;assume { :begin_inline_setup_rjh__wrappee__Base } true;setup_rjh__wrappee__Base_#in~rjh___0#1 := setup_rjh_~rjh___0#1;havoc setup_rjh__wrappee__Base_~rjh___0#1;setup_rjh__wrappee__Base_~rjh___0#1 := setup_rjh__wrappee__Base_#in~rjh___0#1;assume { :begin_inline_setClientId } true;setClientId_#in~handle#1, setClientId_#in~value#1 := setup_rjh__wrappee__Base_~rjh___0#1, setup_rjh__wrappee__Base_~rjh___0#1;havoc setClientId_~handle#1, setClientId_~value#1;setClientId_~handle#1 := setClientId_#in~handle#1;setClientId_~value#1 := setClientId_#in~value#1; 125#L1112-2true assume 1 == setClientId_~handle#1;~__ste_client_idCounter0~0 := setClientId_~value#1; 441#L1118-5true havoc setClientId_~handle#1, setClientId_~value#1;havoc setClientId_#in~handle#1, setClientId_#in~value#1;assume { :end_inline_setClientId } true; 473#setup_rjh__wrappee__Base_returnLabel#1true havoc setup_rjh__wrappee__Base_~rjh___0#1;havoc setup_rjh__wrappee__Base_#in~rjh___0#1;assume { :end_inline_setup_rjh__wrappee__Base } true;assume { :begin_inline_setClientPrivateKey } true;setClientPrivateKey_#in~handle#1, setClientPrivateKey_#in~value#1 := setup_rjh_~rjh___0#1, 456;havoc setClientPrivateKey_~handle#1, setClientPrivateKey_~value#1;setClientPrivateKey_~handle#1 := setClientPrivateKey_#in~handle#1;setClientPrivateKey_~value#1 := setClientPrivateKey_#in~value#1; 241#L677-2true assume 1 == setClientPrivateKey_~handle#1;~__ste_client_privateKey0~0 := setClientPrivateKey_~value#1; 78#L683-5true havoc setClientPrivateKey_~handle#1, setClientPrivateKey_~value#1;havoc setClientPrivateKey_#in~handle#1, setClientPrivateKey_#in~value#1;assume { :end_inline_setClientPrivateKey } true; 446#setup_rjh_returnLabel#1true havoc setup_rjh_~rjh___0#1;havoc setup_rjh_#in~rjh___0#1;assume { :end_inline_setup_rjh } true;setup_~__cil_tmp2~0#1.base, setup_~__cil_tmp2~0#1.offset := 7, 0;havoc setup_#t~nondet14#1;~chuck~0 := 3;assume { :begin_inline_setup_chuck } true;setup_chuck_#in~chuck___0#1 := ~chuck~0;havoc setup_chuck_~chuck___0#1;setup_chuck_~chuck___0#1 := setup_chuck_#in~chuck___0#1;assume { :begin_inline_setup_chuck__wrappee__Base } true;setup_chuck__wrappee__Base_#in~chuck___0#1 := setup_chuck_~chuck___0#1;havoc setup_chuck__wrappee__Base_~chuck___0#1;setup_chuck__wrappee__Base_~chuck___0#1 := setup_chuck__wrappee__Base_#in~chuck___0#1;assume { :begin_inline_setClientId } true;setClientId_#in~handle#1, setClientId_#in~value#1 := setup_chuck__wrappee__Base_~chuck___0#1, setup_chuck__wrappee__Base_~chuck___0#1;havoc setClientId_~handle#1, setClientId_~value#1;setClientId_~handle#1 := setClientId_#in~handle#1;setClientId_~value#1 := setClientId_#in~value#1; 325#L1112-4true assume 1 == setClientId_~handle#1;~__ste_client_idCounter0~0 := setClientId_~value#1; 371#L1118-8true havoc setClientId_~handle#1, setClientId_~value#1;havoc setClientId_#in~handle#1, setClientId_#in~value#1;assume { :end_inline_setClientId } true; 624#setup_chuck__wrappee__Base_returnLabel#1true havoc setup_chuck__wrappee__Base_~chuck___0#1;havoc setup_chuck__wrappee__Base_#in~chuck___0#1;assume { :end_inline_setup_chuck__wrappee__Base } true;assume { :begin_inline_setClientPrivateKey } true;setClientPrivateKey_#in~handle#1, setClientPrivateKey_#in~value#1 := setup_chuck_~chuck___0#1, 789;havoc setClientPrivateKey_~handle#1, setClientPrivateKey_~value#1;setClientPrivateKey_~handle#1 := setClientPrivateKey_#in~handle#1;setClientPrivateKey_~value#1 := setClientPrivateKey_#in~value#1; 305#L677-4true assume 1 == setClientPrivateKey_~handle#1;~__ste_client_privateKey0~0 := setClientPrivateKey_~value#1; 481#L683-8true havoc setClientPrivateKey_~handle#1, setClientPrivateKey_~value#1;havoc setClientPrivateKey_#in~handle#1, setClientPrivateKey_#in~value#1;assume { :end_inline_setClientPrivateKey } true; 373#setup_chuck_returnLabel#1true havoc setup_chuck_~chuck___0#1;havoc setup_chuck_#in~chuck___0#1;assume { :end_inline_setup_chuck } true;setup_~__cil_tmp3~1#1.base, setup_~__cil_tmp3~1#1.offset := 8, 0;havoc setup_#t~nondet15#1; 410#setup_returnLabel#1true havoc setup_#t~nondet13#1, setup_#t~nondet14#1, setup_#t~nondet15#1, setup_~__cil_tmp1~0#1.base, setup_~__cil_tmp1~0#1.offset, setup_~__cil_tmp2~0#1.base, setup_~__cil_tmp2~0#1.offset, setup_~__cil_tmp3~1#1.base, setup_~__cil_tmp3~1#1.offset;assume { :end_inline_setup } true;assume { :begin_inline_test } true;havoc test_#t~nondet53#1, test_#t~nondet54#1, test_#t~nondet55#1, test_#t~nondet56#1, test_#t~nondet57#1, test_#t~nondet58#1, test_#t~nondet59#1, test_#t~nondet60#1, test_#t~nondet61#1, test_#t~nondet62#1, test_#t~nondet63#1, test_~op1~0#1, test_~op2~0#1, test_~op3~0#1, test_~op4~0#1, test_~op5~0#1, test_~op6~0#1, test_~op7~0#1, test_~op8~0#1, test_~op9~0#1, test_~op10~0#1, test_~op11~0#1, test_~splverifierCounter~0#1, test_~tmp~8#1, test_~tmp___0~2#1, test_~tmp___1~1#1, test_~tmp___2~0#1, test_~tmp___3~0#1, test_~tmp___4~0#1, test_~tmp___5~0#1, test_~tmp___6~0#1, test_~tmp___7~0#1, test_~tmp___8~0#1, test_~tmp___9~0#1;havoc test_~op1~0#1;havoc test_~op2~0#1;havoc test_~op3~0#1;havoc test_~op4~0#1;havoc test_~op5~0#1;havoc test_~op6~0#1;havoc test_~op7~0#1;havoc test_~op8~0#1;havoc test_~op9~0#1;havoc test_~op10~0#1;havoc test_~op11~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~8#1;havoc test_~tmp___0~2#1;havoc test_~tmp___1~1#1;havoc test_~tmp___2~0#1;havoc test_~tmp___3~0#1;havoc test_~tmp___4~0#1;havoc test_~tmp___5~0#1;havoc test_~tmp___6~0#1;havoc test_~tmp___7~0#1;havoc test_~tmp___8~0#1;havoc test_~tmp___9~0#1;test_~op1~0#1 := 0;test_~op2~0#1 := 0;test_~op3~0#1 := 0;test_~op4~0#1 := 0;test_~op5~0#1 := 0;test_~op6~0#1 := 0;test_~op7~0#1 := 0;test_~op8~0#1 := 0;test_~op9~0#1 := 0;test_~op10~0#1 := 0;test_~op11~0#1 := 0;test_~splverifierCounter~0#1 := 0; 635#L2031-1true [2023-11-26 12:02:41,909 INFO L750 eck$LassoCheckResult]: Loop: 635#L2031-1true assume !false; 219#L1886true assume test_~splverifierCounter~0#1 < 4; 110#L1887true test_~splverifierCounter~0#1 := 1 + test_~splverifierCounter~0#1; 588#L1893true assume !(0 == test_~op1~0#1); 298#$Ultimate##179true assume 0 == test_~op2~0#1;havoc test_#t~nondet54#1;test_~tmp___8~0#1 := test_#t~nondet54#1;havoc test_#t~nondet54#1; 46#L1911true assume 0 != test_~tmp___8~0#1;test_~op2~0#1 := 1; 635#L2031-1true [2023-11-26 12:02:41,915 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 12:02:41,916 INFO L85 PathProgramCache]: Analyzing trace with hash 56074497, now seen corresponding path program 1 times [2023-11-26 12:02:41,926 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 12:02:41,926 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1578987277] [2023-11-26 12:02:41,927 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 12:02:41,927 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 12:02:42,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 12:02:42,491 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-26 12:02:42,491 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 12:02:42,492 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1578987277] [2023-11-26 12:02:42,492 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1578987277] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 12:02:42,493 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 12:02:42,493 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-26 12:02:42,495 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [778620522] [2023-11-26 12:02:42,496 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 12:02:42,501 INFO L753 eck$LassoCheckResult]: stem already infeasible [2023-11-26 12:02:42,504 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 12:02:42,504 INFO L85 PathProgramCache]: Analyzing trace with hash 797576867, now seen corresponding path program 1 times [2023-11-26 12:02:42,504 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 12:02:42,505 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [251369891] [2023-11-26 12:02:42,505 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 12:02:42,505 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 12:02:42,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 12:02:42,527 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-26 12:02:42,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 12:02:42,570 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-26 12:02:42,650 INFO L210 LassoAnalysis]: Preferences: [2023-11-26 12:02:42,651 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-11-26 12:02:42,651 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-11-26 12:02:42,651 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-11-26 12:02:42,652 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2023-11-26 12:02:42,652 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 12:02:42,652 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-11-26 12:02:42,652 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-11-26 12:02:42,653 INFO L133 ssoRankerPreferences]: Filename of dumped script: email_spec3_product31.cil.c_Iteration1_Loop [2023-11-26 12:02:42,653 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-11-26 12:02:42,653 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-11-26 12:02:42,671 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 12:02:42,694 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 12:02:42,716 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 12:02:42,722 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 12:02:42,725 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 12:02:42,798 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-11-26 12:02:42,799 INFO L404 LassoAnalysis]: Checking for nontermination... [2023-11-26 12:02:42,801 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 12:02:42,801 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd394a0f-0f74-474a-92bc-52ff83777c33/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 12:02:42,805 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd394a0f-0f74-474a-92bc-52ff83777c33/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 12:02:42,819 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2023-11-26 12:02:42,819 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-11-26 12:02:42,833 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd394a0f-0f74-474a-92bc-52ff83777c33/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2023-11-26 12:02:42,846 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2023-11-26 12:02:42,847 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_test_~tmp___8~0#1=4} Honda state: {ULTIMATE.start_test_~tmp___8~0#1=4} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2023-11-26 12:02:42,850 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd394a0f-0f74-474a-92bc-52ff83777c33/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Forceful destruction successful, exit code 0 [2023-11-26 12:02:42,851 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 12:02:42,851 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd394a0f-0f74-474a-92bc-52ff83777c33/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 12:02:42,855 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd394a0f-0f74-474a-92bc-52ff83777c33/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 12:02:42,868 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2023-11-26 12:02:42,868 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-11-26 12:02:42,881 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd394a0f-0f74-474a-92bc-52ff83777c33/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2023-11-26 12:02:42,903 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd394a0f-0f74-474a-92bc-52ff83777c33/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Ended with exit code 0 [2023-11-26 12:02:42,904 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 12:02:42,904 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd394a0f-0f74-474a-92bc-52ff83777c33/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 12:02:42,907 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd394a0f-0f74-474a-92bc-52ff83777c33/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 12:02:42,915 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2023-11-26 12:02:42,916 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-11-26 12:02:42,915 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd394a0f-0f74-474a-92bc-52ff83777c33/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2023-11-26 12:02:42,958 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2023-11-26 12:02:42,970 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd394a0f-0f74-474a-92bc-52ff83777c33/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Forceful destruction successful, exit code 0 [2023-11-26 12:02:42,970 INFO L210 LassoAnalysis]: Preferences: [2023-11-26 12:02:42,971 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-11-26 12:02:42,971 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-11-26 12:02:42,971 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-11-26 12:02:42,971 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2023-11-26 12:02:42,971 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 12:02:42,971 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-11-26 12:02:42,971 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-11-26 12:02:42,971 INFO L133 ssoRankerPreferences]: Filename of dumped script: email_spec3_product31.cil.c_Iteration1_Loop [2023-11-26 12:02:42,972 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-11-26 12:02:42,972 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-11-26 12:02:42,973 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 12:02:42,977 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 12:02:42,984 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 12:02:42,990 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 12:02:42,992 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 12:02:43,054 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-11-26 12:02:43,059 INFO L490 LassoAnalysis]: Using template 'affine'. [2023-11-26 12:02:43,060 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 12:02:43,060 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd394a0f-0f74-474a-92bc-52ff83777c33/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 12:02:43,061 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd394a0f-0f74-474a-92bc-52ff83777c33/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 12:02:43,075 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd394a0f-0f74-474a-92bc-52ff83777c33/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2023-11-26 12:02:43,075 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 [2023-11-26 12:02:43,088 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 12:02:43,089 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-26 12:02:43,089 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 12:02:43,089 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2023-11-26 12:02:43,089 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 12:02:43,092 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2023-11-26 12:02:43,092 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-26 12:02:43,109 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 12:02:43,118 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd394a0f-0f74-474a-92bc-52ff83777c33/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Forceful destruction successful, exit code 0 [2023-11-26 12:02:43,119 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 12:02:43,120 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd394a0f-0f74-474a-92bc-52ff83777c33/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 12:02:43,122 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd394a0f-0f74-474a-92bc-52ff83777c33/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 12:02:43,129 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 [2023-11-26 12:02:43,134 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd394a0f-0f74-474a-92bc-52ff83777c33/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2023-11-26 12:02:43,142 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 12:02:43,142 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-26 12:02:43,142 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 12:02:43,142 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 12:02:43,142 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 12:02:43,144 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-26 12:02:43,144 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-26 12:02:43,153 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2023-11-26 12:02:43,157 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2023-11-26 12:02:43,157 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 0 variables to zero. [2023-11-26 12:02:43,159 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 12:02:43,159 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd394a0f-0f74-474a-92bc-52ff83777c33/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 12:02:43,183 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd394a0f-0f74-474a-92bc-52ff83777c33/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 12:02:43,185 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd394a0f-0f74-474a-92bc-52ff83777c33/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2023-11-26 12:02:43,186 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2023-11-26 12:02:43,187 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2023-11-26 12:02:43,187 INFO L513 LassoAnalysis]: Proved termination. [2023-11-26 12:02:43,187 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_test_~splverifierCounter~0#1) = -2*ULTIMATE.start_test_~splverifierCounter~0#1 + 7 Supporting invariants [] [2023-11-26 12:02:43,192 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd394a0f-0f74-474a-92bc-52ff83777c33/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Ended with exit code 0 [2023-11-26 12:02:43,196 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2023-11-26 12:02:43,234 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 12:02:43,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 12:02:43,397 INFO L262 TraceCheckSpWp]: Trace formula consists of 572 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-26 12:02:43,400 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-26 12:02:43,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 12:02:43,473 INFO L262 TraceCheckSpWp]: Trace formula consists of 12 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-26 12:02:43,474 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-26 12:02:43,566 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-26 12:02:43,601 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 3 loop predicates [2023-11-26 12:02:43,605 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand has 656 states, 655 states have (on average 1.6717557251908397) internal successors, (1095), 655 states have internal predecessors, (1095), 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 5 states, 5 states have (on average 6.2) internal successors, (31), 5 states have internal predecessors, (31), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 12:02:43,839 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd394a0f-0f74-474a-92bc-52ff83777c33/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Ended with exit code 0 [2023-11-26 12:02:43,910 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand has 656 states, 655 states have (on average 1.6717557251908397) internal successors, (1095), 655 states have internal predecessors, (1095), 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 5 states, 5 states have (on average 6.2) internal successors, (31), 5 states have internal predecessors, (31), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 1658 states and 2755 transitions. Complement of second has 8 states. [2023-11-26 12:02:43,918 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 [2023-11-26 12:02:43,925 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5 states, 5 states have (on average 6.2) internal successors, (31), 5 states have internal predecessors, (31), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 12:02:43,930 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 1726 transitions. [2023-11-26 12:02:43,931 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 1726 transitions. Stem has 25 letters. Loop has 6 letters. [2023-11-26 12:02:43,933 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-26 12:02:43,933 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 1726 transitions. Stem has 31 letters. Loop has 6 letters. [2023-11-26 12:02:43,934 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-26 12:02:43,934 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 1726 transitions. Stem has 25 letters. Loop has 12 letters. [2023-11-26 12:02:43,936 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-26 12:02:43,937 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 1658 states and 2755 transitions. [2023-11-26 12:02:43,961 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2023-11-26 12:02:43,964 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 1658 states to 0 states and 0 transitions. [2023-11-26 12:02:43,966 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2023-11-26 12:02:43,966 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2023-11-26 12:02:43,967 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2023-11-26 12:02:43,967 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-26 12:02:43,968 INFO L218 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-11-26 12:02:43,968 INFO L240 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-11-26 12:02:43,968 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 12:02:43,972 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-26 12:02:43,973 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-26 12:02:43,974 INFO L87 Difference]: Start difference. First operand 0 states and 0 transitions. Second operand has 3 states, 3 states have (on average 8.333333333333334) internal successors, (25), 3 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 12:02:43,978 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-26 12:02:43,978 INFO L93 Difference]: Finished difference Result 0 states and 0 transitions. [2023-11-26 12:02:43,978 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 0 states and 0 transitions. [2023-11-26 12:02:43,978 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2023-11-26 12:02:43,979 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 0 states to 0 states and 0 transitions. [2023-11-26 12:02:43,979 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2023-11-26 12:02:43,979 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2023-11-26 12:02:43,979 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2023-11-26 12:02:43,979 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-26 12:02:43,979 INFO L218 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-11-26 12:02:43,980 INFO L240 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-11-26 12:02:43,980 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-26 12:02:43,981 INFO L428 stractBuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-11-26 12:02:43,981 INFO L335 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2023-11-26 12:02:43,982 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2023-11-26 12:02:43,982 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2023-11-26 12:02:43,982 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2023-11-26 12:02:43,991 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 26.11 12:02:43 BoogieIcfgContainer [2023-11-26 12:02:43,991 INFO L131 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2023-11-26 12:02:43,992 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-26 12:02:43,992 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-26 12:02:43,992 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-26 12:02:43,993 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 12:02:41" (3/4) ... [2023-11-26 12:02:43,996 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-26 12:02:43,997 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-26 12:02:43,999 INFO L158 Benchmark]: Toolchain (without parser) took 5849.04ms. Allocated memory was 130.0MB in the beginning and 224.4MB in the end (delta: 94.4MB). Free memory was 82.5MB in the beginning and 149.4MB in the end (delta: -66.9MB). Peak memory consumption was 28.1MB. Max. memory is 16.1GB. [2023-11-26 12:02:44,000 INFO L158 Benchmark]: CDTParser took 0.27ms. Allocated memory is still 130.0MB. Free memory is still 101.3MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-26 12:02:44,006 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1159.13ms. Allocated memory was 130.0MB in the beginning and 178.3MB in the end (delta: 48.2MB). Free memory was 82.5MB in the beginning and 139.1MB in the end (delta: -56.6MB). Peak memory consumption was 47.2MB. Max. memory is 16.1GB. [2023-11-26 12:02:44,007 INFO L158 Benchmark]: Boogie Procedure Inliner took 194.73ms. Allocated memory is still 178.3MB. Free memory was 139.1MB in the beginning and 126.5MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-11-26 12:02:44,008 INFO L158 Benchmark]: Boogie Preprocessor took 243.23ms. Allocated memory is still 178.3MB. Free memory was 126.5MB in the beginning and 112.7MB in the end (delta: 13.8MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-11-26 12:02:44,009 INFO L158 Benchmark]: RCFGBuilder took 1927.59ms. Allocated memory is still 178.3MB. Free memory was 112.7MB in the beginning and 107.5MB in the end (delta: 5.2MB). Peak memory consumption was 54.3MB. Max. memory is 16.1GB. [2023-11-26 12:02:44,011 INFO L158 Benchmark]: BuchiAutomizer took 2308.44ms. Allocated memory was 178.3MB in the beginning and 224.4MB in the end (delta: 46.1MB). Free memory was 106.5MB in the beginning and 149.4MB in the end (delta: -42.9MB). Peak memory consumption was 2.2MB. Max. memory is 16.1GB. [2023-11-26 12:02:44,011 INFO L158 Benchmark]: Witness Printer took 5.33ms. Allocated memory is still 224.4MB. Free memory is still 149.4MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-26 12:02:44,020 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27ms. Allocated memory is still 130.0MB. Free memory is still 101.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1159.13ms. Allocated memory was 130.0MB in the beginning and 178.3MB in the end (delta: 48.2MB). Free memory was 82.5MB in the beginning and 139.1MB in the end (delta: -56.6MB). Peak memory consumption was 47.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 194.73ms. Allocated memory is still 178.3MB. Free memory was 139.1MB in the beginning and 126.5MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Preprocessor took 243.23ms. Allocated memory is still 178.3MB. Free memory was 126.5MB in the beginning and 112.7MB in the end (delta: 13.8MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * RCFGBuilder took 1927.59ms. Allocated memory is still 178.3MB. Free memory was 112.7MB in the beginning and 107.5MB in the end (delta: 5.2MB). Peak memory consumption was 54.3MB. Max. memory is 16.1GB. * BuchiAutomizer took 2308.44ms. Allocated memory was 178.3MB in the beginning and 224.4MB in the end (delta: 46.1MB). Free memory was 106.5MB in the beginning and 149.4MB in the end (delta: -42.9MB). Peak memory consumption was 2.2MB. Max. memory is 16.1GB. * Witness Printer took 5.33ms. Allocated memory is still 224.4MB. Free memory is still 149.4MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResultAtLocation [Line: 48]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"ClientLib.i","") [48] - GenericResultAtLocation [Line: 1128]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [1128] - GenericResultAtLocation [Line: 1435]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [1435] - GenericResultAtLocation [Line: 1801]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [1801] - GenericResultAtLocation [Line: 1836]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [1836] - GenericResultAtLocation [Line: 1845]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [1845] - GenericResultAtLocation [Line: 2061]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Client.i","") [2061] - GenericResultAtLocation [Line: 2436]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"SignVerify_spec.i","") [2436] - GenericResultAtLocation [Line: 2494]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"EmailLib.i","") [2494] - GenericResultAtLocation [Line: 2893]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Email.i","") [2893] - GenericResultAtLocation [Line: 3028]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Util.i","") [3028] * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 2 terminating modules (1 trivial, 1 deterministic, 0 nondeterministic). One deterministic module has affine ranking function ((-2 * splverifierCounter) + 7) and consists of 5 locations. 1 modules have a trivial ranking function, the largest among these consists of 3 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 2.2s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 1.3s. Construction of modules took 0.0s. Büchi inclusion checks took 0.7s. Highest rank in rank-based complementation 3. Minimization of det autom 2. 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, 1079 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1078 mSDsluCounter, 3114 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 2036 mSDsCounter, 2 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 8 IncrementalHoareTripleChecker+Invalid, 10 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 2 mSolverCounterUnsat, 1078 mSDtfsCounter, 8 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT1 lasso0 LassoPreprocessingBenchmarks: Lassos: inital24 mio100 ax100 hnf100 lsp41 ukn100 mio100 lsp100 div100 bol100 ite100 ukn100 eq160 hnf93 smp100 dnf100 smp100 tf113 neg100 sie100 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 49ms VariablesStem: 0 VariablesLoop: 1 DisjunctsStem: 1 DisjunctsLoop: 2 SupportingInvariants: 0 MotzkinApplications: 4 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 1 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! [2023-11-26 12:02:44,053 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd394a0f-0f74-474a-92bc-52ff83777c33/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE