./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/ldv-regression/test27-1.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 826ab2ba Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5a674ae-370b-4e20-8567-81a5473fba23/bin/uautomizer-verify-qhAvR1uOyd/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5a674ae-370b-4e20-8567-81a5473fba23/bin/uautomizer-verify-qhAvR1uOyd/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5a674ae-370b-4e20-8567-81a5473fba23/bin/uautomizer-verify-qhAvR1uOyd/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5a674ae-370b-4e20-8567-81a5473fba23/bin/uautomizer-verify-qhAvR1uOyd/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/ldv-regression/test27-1.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5a674ae-370b-4e20-8567-81a5473fba23/bin/uautomizer-verify-qhAvR1uOyd/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5a674ae-370b-4e20-8567-81a5473fba23/bin/uautomizer-verify-qhAvR1uOyd --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 78863f43fa37191b47f0d738bb1bc2018c82b38cb68dad85c455cdbd7fd69aa4 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 12:44:28,543 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 12:44:28,603 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5a674ae-370b-4e20-8567-81a5473fba23/bin/uautomizer-verify-qhAvR1uOyd/config/svcomp-Termination-32bit-Automizer_Default.epf [2024-11-13 12:44:28,608 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 12:44:28,608 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-13 12:44:28,642 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 12:44:28,643 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-13 12:44:28,643 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-13 12:44:28,643 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-13 12:44:28,643 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-13 12:44:28,644 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 12:44:28,644 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 12:44:28,644 INFO L153 SettingsManager]: * Use SBE=true [2024-11-13 12:44:28,644 INFO L151 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2024-11-13 12:44:28,644 INFO L153 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2024-11-13 12:44:28,644 INFO L153 SettingsManager]: * Use old map elimination=false [2024-11-13 12:44:28,644 INFO L153 SettingsManager]: * Use external solver (rank synthesis)=false [2024-11-13 12:44:28,645 INFO L153 SettingsManager]: * Use only trivial implications for array writes=true [2024-11-13 12:44:28,645 INFO L153 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2024-11-13 12:44:28,645 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 12:44:28,645 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2024-11-13 12:44:28,645 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-13 12:44:28,645 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-13 12:44:28,645 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-13 12:44:28,645 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 12:44:28,645 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2024-11-13 12:44:28,646 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2024-11-13 12:44:28,646 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2024-11-13 12:44:28,646 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 12:44:28,646 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-13 12:44:28,646 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-13 12:44:28,646 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 12:44:28,646 INFO L153 SettingsManager]: * Assume nondeterminstic values are in range=false [2024-11-13 12:44:28,646 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 12:44:28,646 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 12:44:28,646 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-13 12:44:28,647 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 12:44:28,647 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-13 12:44:28,647 INFO L151 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2024-11-13 12:44:28,647 INFO L153 SettingsManager]: * TransformationType=MODULO_NEIGHBOR 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_f5a674ae-370b-4e20-8567-81a5473fba23/bin/uautomizer-verify-qhAvR1uOyd 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 -> 78863f43fa37191b47f0d738bb1bc2018c82b38cb68dad85c455cdbd7fd69aa4 [2024-11-13 12:44:28,946 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 12:44:28,960 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 12:44:28,962 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 12:44:28,964 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 12:44:28,964 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 12:44:28,966 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5a674ae-370b-4e20-8567-81a5473fba23/bin/uautomizer-verify-qhAvR1uOyd/../../sv-benchmarks/c/ldv-regression/test27-1.c Unable to find full path for "g++" [2024-11-13 12:44:30,789 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 12:44:31,049 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 12:44:31,050 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5a674ae-370b-4e20-8567-81a5473fba23/sv-benchmarks/c/ldv-regression/test27-1.c [2024-11-13 12:44:31,071 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5a674ae-370b-4e20-8567-81a5473fba23/bin/uautomizer-verify-qhAvR1uOyd/data/ee4d2fd48/5feb0ad087774185927940429c9ced4d/FLAG6097dafa8 [2024-11-13 12:44:31,097 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5a674ae-370b-4e20-8567-81a5473fba23/bin/uautomizer-verify-qhAvR1uOyd/data/ee4d2fd48/5feb0ad087774185927940429c9ced4d [2024-11-13 12:44:31,100 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 12:44:31,103 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 12:44:31,105 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 12:44:31,105 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 12:44:31,111 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 12:44:31,112 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 12:44:31" (1/1) ... [2024-11-13 12:44:31,113 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5f150a6f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 12:44:31, skipping insertion in model container [2024-11-13 12:44:31,113 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 12:44:31" (1/1) ... [2024-11-13 12:44:31,127 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 12:44:31,286 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 12:44:31,295 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 12:44:31,313 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 12:44:31,331 INFO L204 MainTranslator]: Completed translation [2024-11-13 12:44:31,332 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 12:44:31 WrapperNode [2024-11-13 12:44:31,332 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 12:44:31,333 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 12:44:31,333 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 12:44:31,333 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 12:44:31,339 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 12:44:31" (1/1) ... [2024-11-13 12:44:31,345 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 12:44:31" (1/1) ... [2024-11-13 12:44:31,362 INFO L138 Inliner]: procedures = 16, calls = 43, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 115 [2024-11-13 12:44:31,363 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 12:44:31,363 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 12:44:31,363 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 12:44:31,363 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 12:44:31,371 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 12:44:31" (1/1) ... [2024-11-13 12:44:31,371 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 12:44:31" (1/1) ... [2024-11-13 12:44:31,373 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 12:44:31" (1/1) ... [2024-11-13 12:44:31,387 INFO L175 MemorySlicer]: Split 20 memory accesses to 5 slices as follows [2, 6, 4, 5, 3]. 30 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2, 0, 0, 0, 0]. The 6 writes are split as follows [0, 2, 1, 2, 1]. [2024-11-13 12:44:31,387 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 12:44:31" (1/1) ... [2024-11-13 12:44:31,387 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 12:44:31" (1/1) ... [2024-11-13 12:44:31,396 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 12:44:31" (1/1) ... [2024-11-13 12:44:31,399 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 12:44:31" (1/1) ... [2024-11-13 12:44:31,401 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 12:44:31" (1/1) ... [2024-11-13 12:44:31,402 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 12:44:31" (1/1) ... [2024-11-13 12:44:31,405 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 12:44:31,405 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 12:44:31,406 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 12:44:31,406 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 12:44:31,407 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 12:44:31" (1/1) ... [2024-11-13 12:44:31,412 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-13 12:44:31,429 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5a674ae-370b-4e20-8567-81a5473fba23/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 12:44:31,442 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5a674ae-370b-4e20-8567-81a5473fba23/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-13 12:44:31,446 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5a674ae-370b-4e20-8567-81a5473fba23/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2024-11-13 12:44:31,467 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-11-13 12:44:31,467 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-11-13 12:44:31,467 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-11-13 12:44:31,467 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2024-11-13 12:44:31,467 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2024-11-13 12:44:31,467 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 12:44:31,467 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-13 12:44:31,468 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-13 12:44:31,468 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-11-13 12:44:31,468 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-11-13 12:44:31,468 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-11-13 12:44:31,468 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-11-13 12:44:31,468 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-11-13 12:44:31,468 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-11-13 12:44:31,468 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2024-11-13 12:44:31,468 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2024-11-13 12:44:31,468 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-13 12:44:31,468 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-13 12:44:31,468 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-11-13 12:44:31,468 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-11-13 12:44:31,468 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-11-13 12:44:31,469 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-11-13 12:44:31,469 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 12:44:31,469 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 12:44:31,469 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-13 12:44:31,469 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-11-13 12:44:31,469 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-11-13 12:44:31,469 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-11-13 12:44:31,469 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-11-13 12:44:31,469 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-13 12:44:31,594 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 12:44:31,595 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 12:44:31,834 INFO L? ?]: Removed 16 outVars from TransFormulas that were not future-live. [2024-11-13 12:44:31,834 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 12:44:31,846 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 12:44:31,847 INFO L316 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-13 12:44:31,848 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 12:44:31 BoogieIcfgContainer [2024-11-13 12:44:31,848 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 12:44:31,849 INFO L112 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2024-11-13 12:44:31,849 INFO L270 PluginConnector]: Initializing BuchiAutomizer... [2024-11-13 12:44:31,854 INFO L274 PluginConnector]: BuchiAutomizer initialized [2024-11-13 12:44:31,855 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-13 12:44:31,855 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 13.11 12:44:31" (1/3) ... [2024-11-13 12:44:31,856 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@60b242f3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 13.11 12:44:31, skipping insertion in model container [2024-11-13 12:44:31,856 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-13 12:44:31,856 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 12:44:31" (2/3) ... [2024-11-13 12:44:31,857 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@60b242f3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 13.11 12:44:31, skipping insertion in model container [2024-11-13 12:44:31,857 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-13 12:44:31,857 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 12:44:31" (3/3) ... [2024-11-13 12:44:31,858 INFO L333 chiAutomizerObserver]: Analyzing ICFG test27-1.c [2024-11-13 12:44:31,901 INFO L299 stractBuchiCegarLoop]: Interprodecural is true [2024-11-13 12:44:31,901 INFO L300 stractBuchiCegarLoop]: Hoare is None [2024-11-13 12:44:31,901 INFO L301 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2024-11-13 12:44:31,901 INFO L302 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2024-11-13 12:44:31,901 INFO L303 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2024-11-13 12:44:31,902 INFO L304 stractBuchiCegarLoop]: Difference is false [2024-11-13 12:44:31,902 INFO L305 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2024-11-13 12:44:31,902 INFO L309 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2024-11-13 12:44:31,907 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 17 states, 16 states have (on average 1.4375) internal successors, (23), 16 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 12:44:31,921 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 3 [2024-11-13 12:44:31,922 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-13 12:44:31,922 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-13 12:44:31,927 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2024-11-13 12:44:31,927 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1] [2024-11-13 12:44:31,927 INFO L331 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2024-11-13 12:44:31,928 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 17 states, 16 states have (on average 1.4375) internal successors, (23), 16 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 12:44:31,929 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 3 [2024-11-13 12:44:31,929 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-13 12:44:31,929 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-13 12:44:31,929 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2024-11-13 12:44:31,929 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1] [2024-11-13 12:44:31,936 INFO L745 eck$LassoCheckResult]: Stem: 13#$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(11, 2);call #Ultimate.allocInit(12, 3); 6#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet8#1, main_#t~nondet9#1, main_#t~post10#1, main_~j~0#1, main_#t~mem11#1.base, main_#t~mem11#1.offset, main_#t~mem12#1.base, main_#t~mem12#1.offset, main_#t~mem13#1.base, main_#t~mem13#1.offset, main_#t~mem14#1, main_#t~mem15#1.base, main_#t~mem15#1.offset, main_#t~mem16#1.base, main_#t~mem16#1.offset, main_#t~mem17#1, main_#t~mem18#1, main_#t~pre19#1, main_#t~ret20#1, main_~#cont~0#1.base, main_~#cont~0#1.offset, main_~#dummy~0#1.base, main_~#dummy~0#1.offset, main_~#dummies~0#1.base, main_~#dummies~0#1.offset, main_~#a~0#1.base, main_~#a~0#1.offset, main_~i~0#1, main_~pa~0#1.base, main_~pa~0#1.offset;call main_~#cont~0#1.base, main_~#cont~0#1.offset := #Ultimate.allocOnStack(4);call main_~#dummy~0#1.base, main_~#dummy~0#1.offset := #Ultimate.allocOnStack(4);call main_~#dummies~0#1.base, main_~#dummies~0#1.offset := #Ultimate.allocOnStack(40);call main_~#a~0#1.base, main_~#a~0#1.offset := #Ultimate.allocOnStack(40);havoc main_~i~0#1;havoc main_~pa~0#1.base, main_~pa~0#1.offset;havoc main_#t~nondet8#1;main_~i~0#1 := main_#t~nondet8#1;havoc main_#t~nondet8#1;main_~j~0#1 := 0; 16#L29-2true [2024-11-13 12:44:31,936 INFO L747 eck$LassoCheckResult]: Loop: 16#L29-2true assume !!(main_~j~0#1 < 10);havoc main_#t~nondet9#1;call write~int#1(main_#t~nondet9#1, main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~j~0#1, 4);havoc main_#t~nondet9#1;call write~$Pointer$#3(0, 0, main_~#dummies~0#1.base, main_~#dummies~0#1.offset + 4 * main_~j~0#1, 4);main_#t~post10#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post10#1;havoc main_#t~post10#1; 16#L29-2true [2024-11-13 12:44:31,941 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 12:44:31,941 INFO L85 PathProgramCache]: Analyzing trace with hash 963, now seen corresponding path program 1 times [2024-11-13 12:44:31,948 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 12:44:31,949 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [322036709] [2024-11-13 12:44:31,949 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 12:44:31,950 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 12:44:32,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 12:44:32,040 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 12:44:32,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 12:44:32,086 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-13 12:44:32,089 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 12:44:32,089 INFO L85 PathProgramCache]: Analyzing trace with hash 41, now seen corresponding path program 1 times [2024-11-13 12:44:32,089 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 12:44:32,090 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [345707877] [2024-11-13 12:44:32,090 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 12:44:32,090 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 12:44:32,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 12:44:32,120 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 12:44:32,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 12:44:32,144 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-13 12:44:32,147 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 12:44:32,147 INFO L85 PathProgramCache]: Analyzing trace with hash 29863, now seen corresponding path program 1 times [2024-11-13 12:44:32,147 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 12:44:32,148 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1153260638] [2024-11-13 12:44:32,148 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 12:44:32,148 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 12:44:32,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 12:44:32,219 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 12:44:32,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 12:44:32,275 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-13 12:44:33,186 INFO L204 LassoAnalysis]: Preferences: [2024-11-13 12:44:33,187 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-11-13 12:44:33,187 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-11-13 12:44:33,187 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-11-13 12:44:33,188 INFO L128 ssoRankerPreferences]: Use exernal solver: false [2024-11-13 12:44:33,188 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-13 12:44:33,188 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-11-13 12:44:33,188 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-11-13 12:44:33,188 INFO L132 ssoRankerPreferences]: Filename of dumped script: test27-1.c_Iteration1_Lasso [2024-11-13 12:44:33,188 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-11-13 12:44:33,188 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-11-13 12:44:33,208 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-13 12:44:33,216 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-13 12:44:33,220 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-13 12:44:33,223 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-13 12:44:33,226 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-13 12:44:33,229 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-13 12:44:33,232 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-13 12:44:33,235 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-13 12:44:33,237 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-13 12:44:33,240 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-13 12:44:33,243 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-13 12:44:33,246 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-13 12:44:33,249 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-13 12:44:33,269 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-13 12:44:33,885 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-13 12:44:33,888 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-13 12:44:33,891 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-13 12:44:33,893 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-13 12:44:33,896 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-13 12:44:33,899 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-13 12:44:33,902 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-13 12:44:33,904 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-13 12:44:33,907 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-13 12:44:33,910 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-13 12:44:33,913 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-13 12:44:33,916 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-13 12:44:34,348 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-11-13 12:44:34,352 INFO L451 LassoAnalysis]: Using template 'affine'. [2024-11-13 12:44:34,354 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-13 12:44:34,354 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5a674ae-370b-4e20-8567-81a5473fba23/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 12:44:34,356 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5a674ae-370b-4e20-8567-81a5473fba23/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-13 12:44:34,359 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5a674ae-370b-4e20-8567-81a5473fba23/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2024-11-13 12:44:34,361 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 [2024-11-13 12:44:34,378 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-13 12:44:34,378 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-13 12:44:34,379 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-13 12:44:34,379 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-13 12:44:34,379 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-13 12:44:34,385 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-13 12:44:34,387 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-13 12:44:34,393 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-13 12:44:34,411 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5a674ae-370b-4e20-8567-81a5473fba23/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Ended with exit code 0 [2024-11-13 12:44:34,411 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-13 12:44:34,411 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5a674ae-370b-4e20-8567-81a5473fba23/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 12:44:34,413 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5a674ae-370b-4e20-8567-81a5473fba23/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-13 12:44:34,415 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5a674ae-370b-4e20-8567-81a5473fba23/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2024-11-13 12:44:34,416 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 [2024-11-13 12:44:34,430 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-13 12:44:34,431 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-13 12:44:34,431 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-13 12:44:34,431 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-13 12:44:34,434 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-13 12:44:34,434 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-13 12:44:34,438 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-13 12:44:34,456 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5a674ae-370b-4e20-8567-81a5473fba23/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Forceful destruction successful, exit code 0 [2024-11-13 12:44:34,457 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-13 12:44:34,457 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5a674ae-370b-4e20-8567-81a5473fba23/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 12:44:34,458 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5a674ae-370b-4e20-8567-81a5473fba23/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-13 12:44:34,461 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5a674ae-370b-4e20-8567-81a5473fba23/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2024-11-13 12:44:34,462 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 [2024-11-13 12:44:34,476 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-13 12:44:34,476 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-13 12:44:34,476 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-13 12:44:34,477 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-13 12:44:34,477 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-13 12:44:34,477 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-13 12:44:34,477 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-13 12:44:34,481 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-13 12:44:34,499 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5a674ae-370b-4e20-8567-81a5473fba23/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Ended with exit code 0 [2024-11-13 12:44:34,499 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-13 12:44:34,499 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5a674ae-370b-4e20-8567-81a5473fba23/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 12:44:34,501 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5a674ae-370b-4e20-8567-81a5473fba23/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-13 12:44:34,502 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5a674ae-370b-4e20-8567-81a5473fba23/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2024-11-13 12:44:34,505 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 [2024-11-13 12:44:34,520 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-13 12:44:34,520 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-13 12:44:34,520 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-13 12:44:34,520 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-13 12:44:34,520 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-13 12:44:34,521 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-13 12:44:34,521 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-13 12:44:34,526 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-13 12:44:34,539 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5a674ae-370b-4e20-8567-81a5473fba23/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Ended with exit code 0 [2024-11-13 12:44:34,539 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-13 12:44:34,540 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5a674ae-370b-4e20-8567-81a5473fba23/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 12:44:34,541 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5a674ae-370b-4e20-8567-81a5473fba23/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-13 12:44:34,542 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5a674ae-370b-4e20-8567-81a5473fba23/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2024-11-13 12:44:34,543 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 [2024-11-13 12:44:34,554 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-13 12:44:34,554 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-13 12:44:34,555 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-13 12:44:34,555 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-13 12:44:34,555 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-13 12:44:34,555 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-13 12:44:34,556 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-13 12:44:34,557 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-13 12:44:34,577 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5a674ae-370b-4e20-8567-81a5473fba23/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Forceful destruction successful, exit code 0 [2024-11-13 12:44:34,578 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-13 12:44:34,578 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5a674ae-370b-4e20-8567-81a5473fba23/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 12:44:34,580 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5a674ae-370b-4e20-8567-81a5473fba23/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-13 12:44:34,582 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5a674ae-370b-4e20-8567-81a5473fba23/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2024-11-13 12:44:34,583 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 [2024-11-13 12:44:34,596 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-13 12:44:34,596 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-13 12:44:34,597 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-13 12:44:34,597 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-13 12:44:34,597 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-13 12:44:34,597 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-13 12:44:34,597 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-13 12:44:34,598 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-13 12:44:34,611 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5a674ae-370b-4e20-8567-81a5473fba23/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Forceful destruction successful, exit code 0 [2024-11-13 12:44:34,611 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-13 12:44:34,612 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5a674ae-370b-4e20-8567-81a5473fba23/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 12:44:34,613 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5a674ae-370b-4e20-8567-81a5473fba23/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-13 12:44:34,615 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5a674ae-370b-4e20-8567-81a5473fba23/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2024-11-13 12:44:34,615 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 [2024-11-13 12:44:34,626 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-13 12:44:34,626 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-13 12:44:34,626 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-13 12:44:34,627 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-13 12:44:34,627 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-13 12:44:34,627 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-13 12:44:34,627 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-13 12:44:34,629 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-13 12:44:34,646 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5a674ae-370b-4e20-8567-81a5473fba23/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Ended with exit code 0 [2024-11-13 12:44:34,646 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-13 12:44:34,646 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5a674ae-370b-4e20-8567-81a5473fba23/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 12:44:34,648 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5a674ae-370b-4e20-8567-81a5473fba23/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-13 12:44:34,650 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5a674ae-370b-4e20-8567-81a5473fba23/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2024-11-13 12:44:34,651 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 [2024-11-13 12:44:34,664 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-13 12:44:34,665 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-13 12:44:34,665 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-13 12:44:34,665 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-13 12:44:34,665 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-13 12:44:34,666 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-13 12:44:34,666 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-13 12:44:34,669 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-13 12:44:34,687 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5a674ae-370b-4e20-8567-81a5473fba23/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Forceful destruction successful, exit code 0 [2024-11-13 12:44:34,687 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-13 12:44:34,687 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5a674ae-370b-4e20-8567-81a5473fba23/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 12:44:34,689 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5a674ae-370b-4e20-8567-81a5473fba23/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-13 12:44:34,691 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5a674ae-370b-4e20-8567-81a5473fba23/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Waiting until timeout for monitored process [2024-11-13 12:44:34,692 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-13 12:44:34,706 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-13 12:44:34,706 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-13 12:44:34,707 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-13 12:44:34,707 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-13 12:44:34,707 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-13 12:44:34,707 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-13 12:44:34,708 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-13 12:44:34,710 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-13 12:44:34,728 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5a674ae-370b-4e20-8567-81a5473fba23/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Ended with exit code 0 [2024-11-13 12:44:34,728 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-13 12:44:34,728 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5a674ae-370b-4e20-8567-81a5473fba23/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 12:44:34,730 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5a674ae-370b-4e20-8567-81a5473fba23/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-13 12:44:34,732 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5a674ae-370b-4e20-8567-81a5473fba23/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Waiting until timeout for monitored process [2024-11-13 12:44:34,733 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-13 12:44:34,747 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-13 12:44:34,747 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-13 12:44:34,748 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-13 12:44:34,748 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-13 12:44:34,748 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-13 12:44:34,748 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-13 12:44:34,749 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-13 12:44:34,752 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-13 12:44:34,765 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5a674ae-370b-4e20-8567-81a5473fba23/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Forceful destruction successful, exit code 0 [2024-11-13 12:44:34,766 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-13 12:44:34,766 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5a674ae-370b-4e20-8567-81a5473fba23/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 12:44:34,768 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5a674ae-370b-4e20-8567-81a5473fba23/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-13 12:44:34,770 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5a674ae-370b-4e20-8567-81a5473fba23/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Waiting until timeout for monitored process [2024-11-13 12:44:34,771 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 [2024-11-13 12:44:34,781 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-13 12:44:34,782 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-13 12:44:34,782 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-13 12:44:34,782 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-13 12:44:34,782 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-13 12:44:34,784 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-13 12:44:34,784 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-13 12:44:34,786 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-13 12:44:34,798 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5a674ae-370b-4e20-8567-81a5473fba23/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Forceful destruction successful, exit code 0 [2024-11-13 12:44:34,799 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-13 12:44:34,799 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5a674ae-370b-4e20-8567-81a5473fba23/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 12:44:34,800 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5a674ae-370b-4e20-8567-81a5473fba23/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-13 12:44:34,801 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5a674ae-370b-4e20-8567-81a5473fba23/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Waiting until timeout for monitored process [2024-11-13 12:44:34,802 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 [2024-11-13 12:44:34,813 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-13 12:44:34,813 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-13 12:44:34,813 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-13 12:44:34,813 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-13 12:44:34,813 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-13 12:44:34,813 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-13 12:44:34,814 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-13 12:44:34,817 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-13 12:44:34,835 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5a674ae-370b-4e20-8567-81a5473fba23/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Ended with exit code 0 [2024-11-13 12:44:34,835 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-13 12:44:34,835 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5a674ae-370b-4e20-8567-81a5473fba23/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 12:44:34,837 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5a674ae-370b-4e20-8567-81a5473fba23/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-13 12:44:34,839 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5a674ae-370b-4e20-8567-81a5473fba23/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Waiting until timeout for monitored process [2024-11-13 12:44:34,840 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 [2024-11-13 12:44:34,854 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-13 12:44:34,854 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-13 12:44:34,854 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-13 12:44:34,854 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-13 12:44:34,856 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-13 12:44:34,856 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-13 12:44:34,860 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-13 12:44:34,879 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5a674ae-370b-4e20-8567-81a5473fba23/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Ended with exit code 0 [2024-11-13 12:44:34,879 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-13 12:44:34,879 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5a674ae-370b-4e20-8567-81a5473fba23/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 12:44:34,881 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5a674ae-370b-4e20-8567-81a5473fba23/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-13 12:44:34,884 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5a674ae-370b-4e20-8567-81a5473fba23/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Waiting until timeout for monitored process [2024-11-13 12:44:34,885 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 [2024-11-13 12:44:34,899 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-13 12:44:34,899 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-13 12:44:34,899 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-13 12:44:34,899 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-13 12:44:34,902 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-13 12:44:34,902 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-13 12:44:34,908 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-13 12:44:34,926 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5a674ae-370b-4e20-8567-81a5473fba23/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Ended with exit code 0 [2024-11-13 12:44:34,928 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-13 12:44:34,929 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5a674ae-370b-4e20-8567-81a5473fba23/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 12:44:34,930 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5a674ae-370b-4e20-8567-81a5473fba23/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-13 12:44:34,932 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5a674ae-370b-4e20-8567-81a5473fba23/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Waiting until timeout for monitored process [2024-11-13 12:44:34,933 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 [2024-11-13 12:44:34,947 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-13 12:44:34,947 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-13 12:44:34,947 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-13 12:44:34,947 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-13 12:44:34,948 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-13 12:44:34,948 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-13 12:44:34,948 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-13 12:44:34,952 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-13 12:44:34,970 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5a674ae-370b-4e20-8567-81a5473fba23/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Forceful destruction successful, exit code 0 [2024-11-13 12:44:34,970 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-13 12:44:34,970 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5a674ae-370b-4e20-8567-81a5473fba23/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 12:44:34,972 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5a674ae-370b-4e20-8567-81a5473fba23/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-13 12:44:34,974 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5a674ae-370b-4e20-8567-81a5473fba23/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Waiting until timeout for monitored process [2024-11-13 12:44:34,975 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 [2024-11-13 12:44:34,989 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-13 12:44:34,989 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-13 12:44:34,989 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-13 12:44:34,989 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-13 12:44:34,989 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-13 12:44:34,990 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-13 12:44:34,990 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-13 12:44:34,994 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-13 12:44:35,011 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5a674ae-370b-4e20-8567-81a5473fba23/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Forceful destruction successful, exit code 0 [2024-11-13 12:44:35,012 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-13 12:44:35,012 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5a674ae-370b-4e20-8567-81a5473fba23/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 12:44:35,014 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5a674ae-370b-4e20-8567-81a5473fba23/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-13 12:44:35,016 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5a674ae-370b-4e20-8567-81a5473fba23/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Waiting until timeout for monitored process [2024-11-13 12:44:35,017 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 [2024-11-13 12:44:35,031 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-13 12:44:35,031 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-13 12:44:35,031 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-13 12:44:35,031 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-13 12:44:35,033 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-13 12:44:35,034 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-13 12:44:35,038 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-13 12:44:35,055 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5a674ae-370b-4e20-8567-81a5473fba23/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Ended with exit code 0 [2024-11-13 12:44:35,056 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-13 12:44:35,056 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5a674ae-370b-4e20-8567-81a5473fba23/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 12:44:35,058 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5a674ae-370b-4e20-8567-81a5473fba23/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-13 12:44:35,059 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5a674ae-370b-4e20-8567-81a5473fba23/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Waiting until timeout for monitored process [2024-11-13 12:44:35,061 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 [2024-11-13 12:44:35,074 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-13 12:44:35,075 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-13 12:44:35,075 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-13 12:44:35,075 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-13 12:44:35,078 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-13 12:44:35,078 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-13 12:44:35,084 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-13 12:44:35,097 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5a674ae-370b-4e20-8567-81a5473fba23/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Ended with exit code 0 [2024-11-13 12:44:35,097 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-13 12:44:35,097 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5a674ae-370b-4e20-8567-81a5473fba23/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 12:44:35,099 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5a674ae-370b-4e20-8567-81a5473fba23/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-13 12:44:35,100 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5a674ae-370b-4e20-8567-81a5473fba23/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Waiting until timeout for monitored process [2024-11-13 12:44:35,101 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 [2024-11-13 12:44:35,111 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-13 12:44:35,111 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-13 12:44:35,111 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-13 12:44:35,112 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-13 12:44:35,112 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-13 12:44:35,112 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-13 12:44:35,112 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-13 12:44:35,115 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-13 12:44:35,129 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5a674ae-370b-4e20-8567-81a5473fba23/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Ended with exit code 0 [2024-11-13 12:44:35,130 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-13 12:44:35,130 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5a674ae-370b-4e20-8567-81a5473fba23/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 12:44:35,131 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5a674ae-370b-4e20-8567-81a5473fba23/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-13 12:44:35,133 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5a674ae-370b-4e20-8567-81a5473fba23/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Waiting until timeout for monitored process [2024-11-13 12:44:35,134 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 [2024-11-13 12:44:35,145 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-13 12:44:35,145 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-13 12:44:35,145 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-13 12:44:35,145 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-13 12:44:35,147 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-13 12:44:35,147 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-13 12:44:35,151 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-13 12:44:35,169 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5a674ae-370b-4e20-8567-81a5473fba23/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Ended with exit code 0 [2024-11-13 12:44:35,169 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-13 12:44:35,169 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5a674ae-370b-4e20-8567-81a5473fba23/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 12:44:35,171 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5a674ae-370b-4e20-8567-81a5473fba23/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-13 12:44:35,173 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5a674ae-370b-4e20-8567-81a5473fba23/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Waiting until timeout for monitored process [2024-11-13 12:44:35,174 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 [2024-11-13 12:44:35,188 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-13 12:44:35,188 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-13 12:44:35,189 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-13 12:44:35,189 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-13 12:44:35,191 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-13 12:44:35,192 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-13 12:44:35,196 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-13 12:44:35,213 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5a674ae-370b-4e20-8567-81a5473fba23/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Forceful destruction successful, exit code 0 [2024-11-13 12:44:35,226 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-13 12:44:35,226 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5a674ae-370b-4e20-8567-81a5473fba23/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 12:44:35,231 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5a674ae-370b-4e20-8567-81a5473fba23/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-13 12:44:35,232 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5a674ae-370b-4e20-8567-81a5473fba23/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Waiting until timeout for monitored process [2024-11-13 12:44:35,234 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 [2024-11-13 12:44:35,248 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-13 12:44:35,248 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-13 12:44:35,248 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-13 12:44:35,248 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-13 12:44:35,252 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-13 12:44:35,253 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-13 12:44:35,257 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-13 12:44:35,275 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5a674ae-370b-4e20-8567-81a5473fba23/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Forceful destruction successful, exit code 0 [2024-11-13 12:44:35,276 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-13 12:44:35,276 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5a674ae-370b-4e20-8567-81a5473fba23/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 12:44:35,278 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5a674ae-370b-4e20-8567-81a5473fba23/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-13 12:44:35,281 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5a674ae-370b-4e20-8567-81a5473fba23/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Waiting until timeout for monitored process [2024-11-13 12:44:35,282 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 [2024-11-13 12:44:35,296 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-13 12:44:35,297 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-13 12:44:35,297 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-13 12:44:35,297 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-13 12:44:35,302 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-13 12:44:35,302 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-13 12:44:35,308 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-13 12:44:35,326 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5a674ae-370b-4e20-8567-81a5473fba23/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Ended with exit code 0 [2024-11-13 12:44:35,327 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-13 12:44:35,327 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5a674ae-370b-4e20-8567-81a5473fba23/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 12:44:35,329 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5a674ae-370b-4e20-8567-81a5473fba23/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-13 12:44:35,331 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5a674ae-370b-4e20-8567-81a5473fba23/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Waiting until timeout for monitored process [2024-11-13 12:44:35,332 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 [2024-11-13 12:44:35,346 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-13 12:44:35,346 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-13 12:44:35,346 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-13 12:44:35,346 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-13 12:44:35,346 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-13 12:44:35,347 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-13 12:44:35,347 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-13 12:44:35,349 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-13 12:44:35,366 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5a674ae-370b-4e20-8567-81a5473fba23/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Ended with exit code 0 [2024-11-13 12:44:35,367 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-13 12:44:35,367 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5a674ae-370b-4e20-8567-81a5473fba23/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 12:44:35,369 INFO L229 MonitoredProcess]: Starting monitored process 26 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5a674ae-370b-4e20-8567-81a5473fba23/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-13 12:44:35,371 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5a674ae-370b-4e20-8567-81a5473fba23/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Waiting until timeout for monitored process [2024-11-13 12:44:35,372 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 [2024-11-13 12:44:35,386 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-13 12:44:35,386 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-13 12:44:35,386 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-13 12:44:35,386 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-13 12:44:35,389 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-13 12:44:35,390 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-13 12:44:35,394 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-13 12:44:35,412 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5a674ae-370b-4e20-8567-81a5473fba23/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Ended with exit code 0 [2024-11-13 12:44:35,412 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-13 12:44:35,412 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5a674ae-370b-4e20-8567-81a5473fba23/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 12:44:35,414 INFO L229 MonitoredProcess]: Starting monitored process 27 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5a674ae-370b-4e20-8567-81a5473fba23/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-13 12:44:35,416 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5a674ae-370b-4e20-8567-81a5473fba23/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Waiting until timeout for monitored process [2024-11-13 12:44:35,417 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 [2024-11-13 12:44:35,431 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-13 12:44:35,431 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-13 12:44:35,431 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-13 12:44:35,431 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-13 12:44:35,433 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-13 12:44:35,433 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-13 12:44:35,440 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-13 12:44:35,458 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5a674ae-370b-4e20-8567-81a5473fba23/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Ended with exit code 0 [2024-11-13 12:44:35,458 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-13 12:44:35,458 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5a674ae-370b-4e20-8567-81a5473fba23/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 12:44:35,460 INFO L229 MonitoredProcess]: Starting monitored process 28 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5a674ae-370b-4e20-8567-81a5473fba23/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-13 12:44:35,463 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 [2024-11-13 12:44:35,465 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5a674ae-370b-4e20-8567-81a5473fba23/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Waiting until timeout for monitored process [2024-11-13 12:44:35,478 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-13 12:44:35,478 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-13 12:44:35,478 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-13 12:44:35,478 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-13 12:44:35,485 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-13 12:44:35,485 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-13 12:44:35,497 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2024-11-13 12:44:35,563 INFO L443 ModelExtractionUtils]: Simplification made 22 calls to the SMT solver. [2024-11-13 12:44:35,567 INFO L444 ModelExtractionUtils]: 0 out of 19 variables were initially zero. Simplification set additionally 16 variables to zero. [2024-11-13 12:44:35,569 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-13 12:44:35,569 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5a674ae-370b-4e20-8567-81a5473fba23/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 12:44:35,571 INFO L229 MonitoredProcess]: Starting monitored process 29 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5a674ae-370b-4e20-8567-81a5473fba23/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-13 12:44:35,575 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5a674ae-370b-4e20-8567-81a5473fba23/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Waiting until timeout for monitored process [2024-11-13 12:44:35,576 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2024-11-13 12:44:35,595 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2024-11-13 12:44:35,595 INFO L474 LassoAnalysis]: Proved termination. [2024-11-13 12:44:35,595 INFO L476 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~j~0#1, v_rep(select #length ULTIMATE.start_main_~#a~0#1.base)_1) = -8*ULTIMATE.start_main_~j~0#1 + 19*v_rep(select #length ULTIMATE.start_main_~#a~0#1.base)_1 Supporting invariants [] [2024-11-13 12:44:35,613 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5a674ae-370b-4e20-8567-81a5473fba23/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Forceful destruction successful, exit code 0 [2024-11-13 12:44:35,719 INFO L156 tatePredicateManager]: 23 out of 23 supporting invariants were superfluous and have been removed [2024-11-13 12:44:35,729 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #length [2024-11-13 12:44:35,730 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#length,GLOBAL] [2024-11-13 12:44:35,748 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 12:44:35,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 12:44:35,791 INFO L255 TraceCheckSpWp]: Trace formula consists of 65 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-13 12:44:35,791 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 12:44:35,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 12:44:35,815 INFO L255 TraceCheckSpWp]: Trace formula consists of 37 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-13 12:44:35,816 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 12:44:35,820 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 12:44:35,852 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 1 loop predicates [2024-11-13 12:44:35,854 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand has 17 states, 16 states have (on average 1.4375) internal successors, (23), 16 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 2 states, 2 states have (on average 1.5) internal successors, (3), 2 states have internal predecessors, (3), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 12:44:35,898 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand has 17 states, 16 states have (on average 1.4375) internal successors, (23), 16 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0). Second operand has 2 states, 2 states have (on average 1.5) internal successors, (3), 2 states have internal predecessors, (3), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 32 states and 44 transitions. Complement of second has 4 states. [2024-11-13 12:44:35,899 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 1 stem states 0 non-accepting loop states 1 accepting loop states [2024-11-13 12:44:35,905 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2 states, 2 states have (on average 1.5) internal successors, (3), 2 states have internal predecessors, (3), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 12:44:35,910 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 22 transitions. [2024-11-13 12:44:35,916 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 22 transitions. Stem has 2 letters. Loop has 1 letters. [2024-11-13 12:44:35,917 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-13 12:44:35,917 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 22 transitions. Stem has 3 letters. Loop has 1 letters. [2024-11-13 12:44:35,917 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-13 12:44:35,917 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 22 transitions. Stem has 2 letters. Loop has 2 letters. [2024-11-13 12:44:35,917 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-13 12:44:35,918 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 32 states and 44 transitions. [2024-11-13 12:44:35,922 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2024-11-13 12:44:35,926 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 32 states to 9 states and 11 transitions. [2024-11-13 12:44:35,927 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 7 [2024-11-13 12:44:35,928 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 8 [2024-11-13 12:44:35,929 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 11 transitions. [2024-11-13 12:44:35,929 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2024-11-13 12:44:35,929 INFO L218 hiAutomatonCegarLoop]: Abstraction has 9 states and 11 transitions. [2024-11-13 12:44:35,941 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9 states and 11 transitions. [2024-11-13 12:44:35,947 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9 to 9. [2024-11-13 12:44:35,948 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9 states, 9 states have (on average 1.2222222222222223) internal successors, (11), 8 states have internal predecessors, (11), 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) [2024-11-13 12:44:35,948 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 11 transitions. [2024-11-13 12:44:35,949 INFO L240 hiAutomatonCegarLoop]: Abstraction has 9 states and 11 transitions. [2024-11-13 12:44:35,949 INFO L424 stractBuchiCegarLoop]: Abstraction has 9 states and 11 transitions. [2024-11-13 12:44:35,949 INFO L331 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2024-11-13 12:44:35,949 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 9 states and 11 transitions. [2024-11-13 12:44:35,950 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2024-11-13 12:44:35,950 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-13 12:44:35,950 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-13 12:44:35,950 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2024-11-13 12:44:35,950 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2024-11-13 12:44:35,950 INFO L745 eck$LassoCheckResult]: Stem: 175#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int#0(48, 1, 0, 1);call write~init~int#0(0, 1, 1, 1);call #Ultimate.allocInit(11, 2);call #Ultimate.allocInit(12, 3); 176#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet8#1, main_#t~nondet9#1, main_#t~post10#1, main_~j~0#1, main_#t~mem11#1.base, main_#t~mem11#1.offset, main_#t~mem12#1.base, main_#t~mem12#1.offset, main_#t~mem13#1.base, main_#t~mem13#1.offset, main_#t~mem14#1, main_#t~mem15#1.base, main_#t~mem15#1.offset, main_#t~mem16#1.base, main_#t~mem16#1.offset, main_#t~mem17#1, main_#t~mem18#1, main_#t~pre19#1, main_#t~ret20#1, main_~#cont~0#1.base, main_~#cont~0#1.offset, main_~#dummy~0#1.base, main_~#dummy~0#1.offset, main_~#dummies~0#1.base, main_~#dummies~0#1.offset, main_~#a~0#1.base, main_~#a~0#1.offset, main_~i~0#1, main_~pa~0#1.base, main_~pa~0#1.offset;call main_~#cont~0#1.base, main_~#cont~0#1.offset := #Ultimate.allocOnStack(4);call main_~#dummy~0#1.base, main_~#dummy~0#1.offset := #Ultimate.allocOnStack(4);call main_~#dummies~0#1.base, main_~#dummies~0#1.offset := #Ultimate.allocOnStack(40);call main_~#a~0#1.base, main_~#a~0#1.offset := #Ultimate.allocOnStack(40);havoc main_~i~0#1;havoc main_~pa~0#1.base, main_~pa~0#1.offset;havoc main_#t~nondet8#1;main_~i~0#1 := main_#t~nondet8#1;havoc main_#t~nondet8#1;main_~j~0#1 := 0; 177#L29-2 assume !(main_~j~0#1 < 10); 172#L29-3 havoc main_~j~0#1; 173#L35 assume main_~i~0#1 > 0 && main_~i~0#1 < 9;call write~int#1(main_~i~0#1, main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4);call write~$Pointer$#2(main_~#a~0#1.base, main_~#a~0#1.offset + 4 * (main_~i~0#1 - 1), main_~#dummy~0#1.base, main_~#dummy~0#1.offset, 4);call write~$Pointer$#3(main_~#dummy~0#1.base, main_~#dummy~0#1.offset, main_~#dummies~0#1.base, main_~#dummies~0#1.offset + 4 * (1 + main_~i~0#1), 4);call write~$Pointer$#4(main_~#dummies~0#1.base, 4 + main_~#dummies~0#1.offset, main_~#cont~0#1.base, main_~#cont~0#1.offset, 4);call main_#t~mem11#1.base, main_#t~mem11#1.offset := read~$Pointer$#4(main_~#cont~0#1.base, main_~#cont~0#1.offset, 4);call main_#t~mem12#1.base, main_#t~mem12#1.offset := read~$Pointer$#3(main_#t~mem11#1.base, main_#t~mem11#1.offset + 4 * main_~i~0#1, 4);call main_#t~mem13#1.base, main_#t~mem13#1.offset := read~$Pointer$#2(main_#t~mem12#1.base, main_#t~mem12#1.offset, 4);main_~pa~0#1.base, main_~pa~0#1.offset := main_#t~mem13#1.base, 4 + main_#t~mem13#1.offset;havoc main_#t~mem11#1.base, main_#t~mem11#1.offset;havoc main_#t~mem12#1.base, main_#t~mem12#1.offset;havoc main_#t~mem13#1.base, main_#t~mem13#1.offset;call main_#t~mem14#1 := read~int#1(main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4); 170#L41 assume main_#t~mem14#1 > 0;havoc main_#t~mem14#1;call main_#t~mem15#1.base, main_#t~mem15#1.offset := read~$Pointer$#3(main_~#dummies~0#1.base, main_~#dummies~0#1.offset + 4 * (1 + main_~i~0#1), 4);call main_#t~mem16#1.base, main_#t~mem16#1.offset := read~$Pointer$#2(main_#t~mem15#1.base, main_#t~mem15#1.offset, 4);call main_#t~mem17#1 := read~int#1(main_#t~mem16#1.base, 4 + main_#t~mem16#1.offset, 4);main_~i~0#1 := main_#t~mem17#1 - 10;havoc main_#t~mem15#1.base, main_#t~mem15#1.offset;havoc main_#t~mem16#1.base, main_#t~mem16#1.offset;havoc main_#t~mem17#1; 171#L43-3 [2024-11-13 12:44:35,950 INFO L747 eck$LassoCheckResult]: Loop: 171#L43-3 call main_#t~mem18#1 := read~int#1(main_~pa~0#1.base, main_~pa~0#1.offset, 4); 174#L43-1 assume !!(main_~i~0#1 < main_#t~mem18#1);havoc main_#t~mem18#1;main_#t~pre19#1 := 1 + main_~i~0#1;main_~i~0#1 := 1 + main_~i~0#1;havoc main_#t~pre19#1; 171#L43-3 [2024-11-13 12:44:35,951 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 12:44:35,951 INFO L85 PathProgramCache]: Analyzing trace with hash 889603052, now seen corresponding path program 1 times [2024-11-13 12:44:35,951 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 12:44:35,951 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [833074376] [2024-11-13 12:44:35,951 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 12:44:35,951 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 12:44:35,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 12:44:36,085 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 12:44:36,085 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 12:44:36,086 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [833074376] [2024-11-13 12:44:36,086 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [833074376] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 12:44:36,086 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 12:44:36,086 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-13 12:44:36,087 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [607734277] [2024-11-13 12:44:36,087 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 12:44:36,090 INFO L750 eck$LassoCheckResult]: stem already infeasible [2024-11-13 12:44:36,091 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 12:44:36,093 INFO L85 PathProgramCache]: Analyzing trace with hash 1734, now seen corresponding path program 1 times [2024-11-13 12:44:36,093 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 12:44:36,093 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1159274335] [2024-11-13 12:44:36,093 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 12:44:36,094 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 12:44:36,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 12:44:36,102 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 12:44:36,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 12:44:36,110 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-13 12:44:36,154 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 12:44:36,155 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-13 12:44:36,156 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 12:44:36,156 INFO L87 Difference]: Start difference. First operand 9 states and 11 transitions. cyclomatic complexity: 4 Second operand has 3 states, 3 states have (on average 2.0) internal successors, (6), 3 states have internal predecessors, (6), 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) [2024-11-13 12:44:36,174 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 12:44:36,174 INFO L93 Difference]: Finished difference Result 9 states and 10 transitions. [2024-11-13 12:44:36,175 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 9 states and 10 transitions. [2024-11-13 12:44:36,176 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2024-11-13 12:44:36,177 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 9 states to 9 states and 10 transitions. [2024-11-13 12:44:36,177 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 8 [2024-11-13 12:44:36,177 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 8 [2024-11-13 12:44:36,177 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 10 transitions. [2024-11-13 12:44:36,177 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2024-11-13 12:44:36,177 INFO L218 hiAutomatonCegarLoop]: Abstraction has 9 states and 10 transitions. [2024-11-13 12:44:36,177 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9 states and 10 transitions. [2024-11-13 12:44:36,178 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9 to 9. [2024-11-13 12:44:36,178 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9 states, 9 states have (on average 1.1111111111111112) internal successors, (10), 8 states have internal predecessors, (10), 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) [2024-11-13 12:44:36,179 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 10 transitions. [2024-11-13 12:44:36,179 INFO L240 hiAutomatonCegarLoop]: Abstraction has 9 states and 10 transitions. [2024-11-13 12:44:36,180 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 12:44:36,181 INFO L424 stractBuchiCegarLoop]: Abstraction has 9 states and 10 transitions. [2024-11-13 12:44:36,181 INFO L331 stractBuchiCegarLoop]: ======== Iteration 3 ============ [2024-11-13 12:44:36,181 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 9 states and 10 transitions. [2024-11-13 12:44:36,181 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2024-11-13 12:44:36,181 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-13 12:44:36,182 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-13 12:44:36,182 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2024-11-13 12:44:36,182 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2024-11-13 12:44:36,182 INFO L745 eck$LassoCheckResult]: Stem: 199#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int#0(48, 1, 0, 1);call write~init~int#0(0, 1, 1, 1);call #Ultimate.allocInit(11, 2);call #Ultimate.allocInit(12, 3); 200#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet8#1, main_#t~nondet9#1, main_#t~post10#1, main_~j~0#1, main_#t~mem11#1.base, main_#t~mem11#1.offset, main_#t~mem12#1.base, main_#t~mem12#1.offset, main_#t~mem13#1.base, main_#t~mem13#1.offset, main_#t~mem14#1, main_#t~mem15#1.base, main_#t~mem15#1.offset, main_#t~mem16#1.base, main_#t~mem16#1.offset, main_#t~mem17#1, main_#t~mem18#1, main_#t~pre19#1, main_#t~ret20#1, main_~#cont~0#1.base, main_~#cont~0#1.offset, main_~#dummy~0#1.base, main_~#dummy~0#1.offset, main_~#dummies~0#1.base, main_~#dummies~0#1.offset, main_~#a~0#1.base, main_~#a~0#1.offset, main_~i~0#1, main_~pa~0#1.base, main_~pa~0#1.offset;call main_~#cont~0#1.base, main_~#cont~0#1.offset := #Ultimate.allocOnStack(4);call main_~#dummy~0#1.base, main_~#dummy~0#1.offset := #Ultimate.allocOnStack(4);call main_~#dummies~0#1.base, main_~#dummies~0#1.offset := #Ultimate.allocOnStack(40);call main_~#a~0#1.base, main_~#a~0#1.offset := #Ultimate.allocOnStack(40);havoc main_~i~0#1;havoc main_~pa~0#1.base, main_~pa~0#1.offset;havoc main_#t~nondet8#1;main_~i~0#1 := main_#t~nondet8#1;havoc main_#t~nondet8#1;main_~j~0#1 := 0; 201#L29-2 assume !!(main_~j~0#1 < 10);havoc main_#t~nondet9#1;call write~int#1(main_#t~nondet9#1, main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~j~0#1, 4);havoc main_#t~nondet9#1;call write~$Pointer$#3(0, 0, main_~#dummies~0#1.base, main_~#dummies~0#1.offset + 4 * main_~j~0#1, 4);main_#t~post10#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post10#1;havoc main_#t~post10#1; 202#L29-2 assume !(main_~j~0#1 < 10); 196#L29-3 havoc main_~j~0#1; 197#L35 assume main_~i~0#1 > 0 && main_~i~0#1 < 9;call write~int#1(main_~i~0#1, main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4);call write~$Pointer$#2(main_~#a~0#1.base, main_~#a~0#1.offset + 4 * (main_~i~0#1 - 1), main_~#dummy~0#1.base, main_~#dummy~0#1.offset, 4);call write~$Pointer$#3(main_~#dummy~0#1.base, main_~#dummy~0#1.offset, main_~#dummies~0#1.base, main_~#dummies~0#1.offset + 4 * (1 + main_~i~0#1), 4);call write~$Pointer$#4(main_~#dummies~0#1.base, 4 + main_~#dummies~0#1.offset, main_~#cont~0#1.base, main_~#cont~0#1.offset, 4);call main_#t~mem11#1.base, main_#t~mem11#1.offset := read~$Pointer$#4(main_~#cont~0#1.base, main_~#cont~0#1.offset, 4);call main_#t~mem12#1.base, main_#t~mem12#1.offset := read~$Pointer$#3(main_#t~mem11#1.base, main_#t~mem11#1.offset + 4 * main_~i~0#1, 4);call main_#t~mem13#1.base, main_#t~mem13#1.offset := read~$Pointer$#2(main_#t~mem12#1.base, main_#t~mem12#1.offset, 4);main_~pa~0#1.base, main_~pa~0#1.offset := main_#t~mem13#1.base, 4 + main_#t~mem13#1.offset;havoc main_#t~mem11#1.base, main_#t~mem11#1.offset;havoc main_#t~mem12#1.base, main_#t~mem12#1.offset;havoc main_#t~mem13#1.base, main_#t~mem13#1.offset;call main_#t~mem14#1 := read~int#1(main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4); 194#L41 assume main_#t~mem14#1 > 0;havoc main_#t~mem14#1;call main_#t~mem15#1.base, main_#t~mem15#1.offset := read~$Pointer$#3(main_~#dummies~0#1.base, main_~#dummies~0#1.offset + 4 * (1 + main_~i~0#1), 4);call main_#t~mem16#1.base, main_#t~mem16#1.offset := read~$Pointer$#2(main_#t~mem15#1.base, main_#t~mem15#1.offset, 4);call main_#t~mem17#1 := read~int#1(main_#t~mem16#1.base, 4 + main_#t~mem16#1.offset, 4);main_~i~0#1 := main_#t~mem17#1 - 10;havoc main_#t~mem15#1.base, main_#t~mem15#1.offset;havoc main_#t~mem16#1.base, main_#t~mem16#1.offset;havoc main_#t~mem17#1; 195#L43-3 [2024-11-13 12:44:36,182 INFO L747 eck$LassoCheckResult]: Loop: 195#L43-3 call main_#t~mem18#1 := read~int#1(main_~pa~0#1.base, main_~pa~0#1.offset, 4); 198#L43-1 assume !!(main_~i~0#1 < main_#t~mem18#1);havoc main_#t~mem18#1;main_#t~pre19#1 := 1 + main_~i~0#1;main_~i~0#1 := 1 + main_~i~0#1;havoc main_#t~pre19#1; 195#L43-3 [2024-11-13 12:44:36,182 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 12:44:36,182 INFO L85 PathProgramCache]: Analyzing trace with hash 1809556176, now seen corresponding path program 1 times [2024-11-13 12:44:36,182 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 12:44:36,183 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [713705406] [2024-11-13 12:44:36,183 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 12:44:36,183 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 12:44:36,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 12:44:36,284 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5a674ae-370b-4e20-8567-81a5473fba23/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Ended with exit code 0 [2024-11-13 12:44:36,356 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 12:44:36,356 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 12:44:36,356 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [713705406] [2024-11-13 12:44:36,356 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [713705406] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-13 12:44:36,356 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1722708843] [2024-11-13 12:44:36,356 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 12:44:36,356 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 12:44:36,356 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5a674ae-370b-4e20-8567-81a5473fba23/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 12:44:36,359 INFO L229 MonitoredProcess]: Starting monitored process 30 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5a674ae-370b-4e20-8567-81a5473fba23/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 12:44:36,360 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5a674ae-370b-4e20-8567-81a5473fba23/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (30)] Waiting until timeout for monitored process [2024-11-13 12:44:36,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 12:44:36,480 INFO L255 TraceCheckSpWp]: Trace formula consists of 197 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-13 12:44:36,481 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 12:44:36,497 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 12:44:36,497 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-13 12:44:36,520 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 12:44:36,521 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1722708843] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-13 12:44:36,521 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-13 12:44:36,521 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 7 [2024-11-13 12:44:36,521 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [353038008] [2024-11-13 12:44:36,522 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-13 12:44:36,522 INFO L750 eck$LassoCheckResult]: stem already infeasible [2024-11-13 12:44:36,522 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 12:44:36,523 INFO L85 PathProgramCache]: Analyzing trace with hash 1734, now seen corresponding path program 2 times [2024-11-13 12:44:36,523 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 12:44:36,523 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1860793416] [2024-11-13 12:44:36,523 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 12:44:36,523 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 12:44:36,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 12:44:36,531 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 12:44:36,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 12:44:36,539 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-13 12:44:36,584 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 12:44:36,584 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-13 12:44:36,584 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2024-11-13 12:44:36,585 INFO L87 Difference]: Start difference. First operand 9 states and 10 transitions. cyclomatic complexity: 3 Second operand has 7 states, 7 states have (on average 1.7142857142857142) internal successors, (12), 7 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 12:44:36,609 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 12:44:36,610 INFO L93 Difference]: Finished difference Result 12 states and 13 transitions. [2024-11-13 12:44:36,610 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 12 states and 13 transitions. [2024-11-13 12:44:36,611 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2024-11-13 12:44:36,612 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 12 states to 12 states and 13 transitions. [2024-11-13 12:44:36,612 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 8 [2024-11-13 12:44:36,612 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 8 [2024-11-13 12:44:36,612 INFO L73 IsDeterministic]: Start isDeterministic. Operand 12 states and 13 transitions. [2024-11-13 12:44:36,613 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2024-11-13 12:44:36,613 INFO L218 hiAutomatonCegarLoop]: Abstraction has 12 states and 13 transitions. [2024-11-13 12:44:36,613 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12 states and 13 transitions. [2024-11-13 12:44:36,613 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12 to 12. [2024-11-13 12:44:36,614 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12 states, 12 states have (on average 1.0833333333333333) internal successors, (13), 11 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 12:44:36,614 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 13 transitions. [2024-11-13 12:44:36,614 INFO L240 hiAutomatonCegarLoop]: Abstraction has 12 states and 13 transitions. [2024-11-13 12:44:36,615 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-13 12:44:36,616 INFO L424 stractBuchiCegarLoop]: Abstraction has 12 states and 13 transitions. [2024-11-13 12:44:36,616 INFO L331 stractBuchiCegarLoop]: ======== Iteration 4 ============ [2024-11-13 12:44:36,616 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 12 states and 13 transitions. [2024-11-13 12:44:36,617 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2024-11-13 12:44:36,617 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-13 12:44:36,617 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-13 12:44:36,617 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [4, 1, 1, 1, 1, 1, 1] [2024-11-13 12:44:36,618 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2024-11-13 12:44:36,619 INFO L745 eck$LassoCheckResult]: Stem: 266#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int#0(48, 1, 0, 1);call write~init~int#0(0, 1, 1, 1);call #Ultimate.allocInit(11, 2);call #Ultimate.allocInit(12, 3); 267#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet8#1, main_#t~nondet9#1, main_#t~post10#1, main_~j~0#1, main_#t~mem11#1.base, main_#t~mem11#1.offset, main_#t~mem12#1.base, main_#t~mem12#1.offset, main_#t~mem13#1.base, main_#t~mem13#1.offset, main_#t~mem14#1, main_#t~mem15#1.base, main_#t~mem15#1.offset, main_#t~mem16#1.base, main_#t~mem16#1.offset, main_#t~mem17#1, main_#t~mem18#1, main_#t~pre19#1, main_#t~ret20#1, main_~#cont~0#1.base, main_~#cont~0#1.offset, main_~#dummy~0#1.base, main_~#dummy~0#1.offset, main_~#dummies~0#1.base, main_~#dummies~0#1.offset, main_~#a~0#1.base, main_~#a~0#1.offset, main_~i~0#1, main_~pa~0#1.base, main_~pa~0#1.offset;call main_~#cont~0#1.base, main_~#cont~0#1.offset := #Ultimate.allocOnStack(4);call main_~#dummy~0#1.base, main_~#dummy~0#1.offset := #Ultimate.allocOnStack(4);call main_~#dummies~0#1.base, main_~#dummies~0#1.offset := #Ultimate.allocOnStack(40);call main_~#a~0#1.base, main_~#a~0#1.offset := #Ultimate.allocOnStack(40);havoc main_~i~0#1;havoc main_~pa~0#1.base, main_~pa~0#1.offset;havoc main_#t~nondet8#1;main_~i~0#1 := main_#t~nondet8#1;havoc main_#t~nondet8#1;main_~j~0#1 := 0; 268#L29-2 assume !!(main_~j~0#1 < 10);havoc main_#t~nondet9#1;call write~int#1(main_#t~nondet9#1, main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~j~0#1, 4);havoc main_#t~nondet9#1;call write~$Pointer$#3(0, 0, main_~#dummies~0#1.base, main_~#dummies~0#1.offset + 4 * main_~j~0#1, 4);main_#t~post10#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post10#1;havoc main_#t~post10#1; 269#L29-2 assume !!(main_~j~0#1 < 10);havoc main_#t~nondet9#1;call write~int#1(main_#t~nondet9#1, main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~j~0#1, 4);havoc main_#t~nondet9#1;call write~$Pointer$#3(0, 0, main_~#dummies~0#1.base, main_~#dummies~0#1.offset + 4 * main_~j~0#1, 4);main_#t~post10#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post10#1;havoc main_#t~post10#1; 270#L29-2 assume !!(main_~j~0#1 < 10);havoc main_#t~nondet9#1;call write~int#1(main_#t~nondet9#1, main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~j~0#1, 4);havoc main_#t~nondet9#1;call write~$Pointer$#3(0, 0, main_~#dummies~0#1.base, main_~#dummies~0#1.offset + 4 * main_~j~0#1, 4);main_#t~post10#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post10#1;havoc main_#t~post10#1; 272#L29-2 assume !!(main_~j~0#1 < 10);havoc main_#t~nondet9#1;call write~int#1(main_#t~nondet9#1, main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~j~0#1, 4);havoc main_#t~nondet9#1;call write~$Pointer$#3(0, 0, main_~#dummies~0#1.base, main_~#dummies~0#1.offset + 4 * main_~j~0#1, 4);main_#t~post10#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post10#1;havoc main_#t~post10#1; 271#L29-2 assume !(main_~j~0#1 < 10); 263#L29-3 havoc main_~j~0#1; 264#L35 assume main_~i~0#1 > 0 && main_~i~0#1 < 9;call write~int#1(main_~i~0#1, main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4);call write~$Pointer$#2(main_~#a~0#1.base, main_~#a~0#1.offset + 4 * (main_~i~0#1 - 1), main_~#dummy~0#1.base, main_~#dummy~0#1.offset, 4);call write~$Pointer$#3(main_~#dummy~0#1.base, main_~#dummy~0#1.offset, main_~#dummies~0#1.base, main_~#dummies~0#1.offset + 4 * (1 + main_~i~0#1), 4);call write~$Pointer$#4(main_~#dummies~0#1.base, 4 + main_~#dummies~0#1.offset, main_~#cont~0#1.base, main_~#cont~0#1.offset, 4);call main_#t~mem11#1.base, main_#t~mem11#1.offset := read~$Pointer$#4(main_~#cont~0#1.base, main_~#cont~0#1.offset, 4);call main_#t~mem12#1.base, main_#t~mem12#1.offset := read~$Pointer$#3(main_#t~mem11#1.base, main_#t~mem11#1.offset + 4 * main_~i~0#1, 4);call main_#t~mem13#1.base, main_#t~mem13#1.offset := read~$Pointer$#2(main_#t~mem12#1.base, main_#t~mem12#1.offset, 4);main_~pa~0#1.base, main_~pa~0#1.offset := main_#t~mem13#1.base, 4 + main_#t~mem13#1.offset;havoc main_#t~mem11#1.base, main_#t~mem11#1.offset;havoc main_#t~mem12#1.base, main_#t~mem12#1.offset;havoc main_#t~mem13#1.base, main_#t~mem13#1.offset;call main_#t~mem14#1 := read~int#1(main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4); 261#L41 assume main_#t~mem14#1 > 0;havoc main_#t~mem14#1;call main_#t~mem15#1.base, main_#t~mem15#1.offset := read~$Pointer$#3(main_~#dummies~0#1.base, main_~#dummies~0#1.offset + 4 * (1 + main_~i~0#1), 4);call main_#t~mem16#1.base, main_#t~mem16#1.offset := read~$Pointer$#2(main_#t~mem15#1.base, main_#t~mem15#1.offset, 4);call main_#t~mem17#1 := read~int#1(main_#t~mem16#1.base, 4 + main_#t~mem16#1.offset, 4);main_~i~0#1 := main_#t~mem17#1 - 10;havoc main_#t~mem15#1.base, main_#t~mem15#1.offset;havoc main_#t~mem16#1.base, main_#t~mem16#1.offset;havoc main_#t~mem17#1; 262#L43-3 [2024-11-13 12:44:36,619 INFO L747 eck$LassoCheckResult]: Loop: 262#L43-3 call main_#t~mem18#1 := read~int#1(main_~pa~0#1.base, main_~pa~0#1.offset, 4); 265#L43-1 assume !!(main_~i~0#1 < main_#t~mem18#1);havoc main_#t~mem18#1;main_#t~pre19#1 := 1 + main_~i~0#1;main_~i~0#1 := 1 + main_~i~0#1;havoc main_#t~pre19#1; 262#L43-3 [2024-11-13 12:44:36,619 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 12:44:36,619 INFO L85 PathProgramCache]: Analyzing trace with hash -287777556, now seen corresponding path program 2 times [2024-11-13 12:44:36,619 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 12:44:36,619 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1991266527] [2024-11-13 12:44:36,620 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 12:44:36,620 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 12:44:36,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 12:44:36,968 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 12:44:36,969 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 12:44:36,969 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1991266527] [2024-11-13 12:44:36,969 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1991266527] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-13 12:44:36,969 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [51221682] [2024-11-13 12:44:36,969 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-13 12:44:36,969 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 12:44:36,969 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5a674ae-370b-4e20-8567-81a5473fba23/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 12:44:36,971 INFO L229 MonitoredProcess]: Starting monitored process 31 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5a674ae-370b-4e20-8567-81a5473fba23/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 12:44:36,973 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5a674ae-370b-4e20-8567-81a5473fba23/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (31)] Waiting until timeout for monitored process [2024-11-13 12:44:37,124 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-13 12:44:37,124 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-13 12:44:37,127 INFO L255 TraceCheckSpWp]: Trace formula consists of 302 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-13 12:44:37,129 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 12:44:37,151 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 12:44:37,151 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-13 12:44:37,219 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 12:44:37,219 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [51221682] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-13 12:44:37,219 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-13 12:44:37,219 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7, 7] total 13 [2024-11-13 12:44:37,219 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [954315688] [2024-11-13 12:44:37,219 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-13 12:44:37,220 INFO L750 eck$LassoCheckResult]: stem already infeasible [2024-11-13 12:44:37,220 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 12:44:37,220 INFO L85 PathProgramCache]: Analyzing trace with hash 1734, now seen corresponding path program 3 times [2024-11-13 12:44:37,220 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 12:44:37,220 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1462110210] [2024-11-13 12:44:37,220 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 12:44:37,220 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 12:44:37,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 12:44:37,225 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 12:44:37,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 12:44:37,229 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-13 12:44:37,270 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 12:44:37,271 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-11-13 12:44:37,271 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=78, Invalid=78, Unknown=0, NotChecked=0, Total=156 [2024-11-13 12:44:37,271 INFO L87 Difference]: Start difference. First operand 12 states and 13 transitions. cyclomatic complexity: 3 Second operand has 13 states, 13 states have (on average 1.3846153846153846) internal successors, (18), 13 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 12:44:37,307 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 12:44:37,307 INFO L93 Difference]: Finished difference Result 18 states and 19 transitions. [2024-11-13 12:44:37,307 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 18 states and 19 transitions. [2024-11-13 12:44:37,308 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2024-11-13 12:44:37,308 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 18 states to 18 states and 19 transitions. [2024-11-13 12:44:37,308 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 8 [2024-11-13 12:44:37,308 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 8 [2024-11-13 12:44:37,308 INFO L73 IsDeterministic]: Start isDeterministic. Operand 18 states and 19 transitions. [2024-11-13 12:44:37,308 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2024-11-13 12:44:37,308 INFO L218 hiAutomatonCegarLoop]: Abstraction has 18 states and 19 transitions. [2024-11-13 12:44:37,308 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18 states and 19 transitions. [2024-11-13 12:44:37,309 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18 to 18. [2024-11-13 12:44:37,310 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18 states, 18 states have (on average 1.0555555555555556) internal successors, (19), 17 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 12:44:37,310 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 19 transitions. [2024-11-13 12:44:37,310 INFO L240 hiAutomatonCegarLoop]: Abstraction has 18 states and 19 transitions. [2024-11-13 12:44:37,310 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-13 12:44:37,311 INFO L424 stractBuchiCegarLoop]: Abstraction has 18 states and 19 transitions. [2024-11-13 12:44:37,311 INFO L331 stractBuchiCegarLoop]: ======== Iteration 5 ============ [2024-11-13 12:44:37,311 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 18 states and 19 transitions. [2024-11-13 12:44:37,311 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2024-11-13 12:44:37,312 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-13 12:44:37,312 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-13 12:44:37,312 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [10, 1, 1, 1, 1, 1, 1] [2024-11-13 12:44:37,312 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2024-11-13 12:44:37,312 INFO L745 eck$LassoCheckResult]: Stem: 366#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int#0(48, 1, 0, 1);call write~init~int#0(0, 1, 1, 1);call #Ultimate.allocInit(11, 2);call #Ultimate.allocInit(12, 3); 367#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet8#1, main_#t~nondet9#1, main_#t~post10#1, main_~j~0#1, main_#t~mem11#1.base, main_#t~mem11#1.offset, main_#t~mem12#1.base, main_#t~mem12#1.offset, main_#t~mem13#1.base, main_#t~mem13#1.offset, main_#t~mem14#1, main_#t~mem15#1.base, main_#t~mem15#1.offset, main_#t~mem16#1.base, main_#t~mem16#1.offset, main_#t~mem17#1, main_#t~mem18#1, main_#t~pre19#1, main_#t~ret20#1, main_~#cont~0#1.base, main_~#cont~0#1.offset, main_~#dummy~0#1.base, main_~#dummy~0#1.offset, main_~#dummies~0#1.base, main_~#dummies~0#1.offset, main_~#a~0#1.base, main_~#a~0#1.offset, main_~i~0#1, main_~pa~0#1.base, main_~pa~0#1.offset;call main_~#cont~0#1.base, main_~#cont~0#1.offset := #Ultimate.allocOnStack(4);call main_~#dummy~0#1.base, main_~#dummy~0#1.offset := #Ultimate.allocOnStack(4);call main_~#dummies~0#1.base, main_~#dummies~0#1.offset := #Ultimate.allocOnStack(40);call main_~#a~0#1.base, main_~#a~0#1.offset := #Ultimate.allocOnStack(40);havoc main_~i~0#1;havoc main_~pa~0#1.base, main_~pa~0#1.offset;havoc main_#t~nondet8#1;main_~i~0#1 := main_#t~nondet8#1;havoc main_#t~nondet8#1;main_~j~0#1 := 0; 368#L29-2 assume !!(main_~j~0#1 < 10);havoc main_#t~nondet9#1;call write~int#1(main_#t~nondet9#1, main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~j~0#1, 4);havoc main_#t~nondet9#1;call write~$Pointer$#3(0, 0, main_~#dummies~0#1.base, main_~#dummies~0#1.offset + 4 * main_~j~0#1, 4);main_#t~post10#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post10#1;havoc main_#t~post10#1; 369#L29-2 assume !!(main_~j~0#1 < 10);havoc main_#t~nondet9#1;call write~int#1(main_#t~nondet9#1, main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~j~0#1, 4);havoc main_#t~nondet9#1;call write~$Pointer$#3(0, 0, main_~#dummies~0#1.base, main_~#dummies~0#1.offset + 4 * main_~j~0#1, 4);main_#t~post10#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post10#1;havoc main_#t~post10#1; 370#L29-2 assume !!(main_~j~0#1 < 10);havoc main_#t~nondet9#1;call write~int#1(main_#t~nondet9#1, main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~j~0#1, 4);havoc main_#t~nondet9#1;call write~$Pointer$#3(0, 0, main_~#dummies~0#1.base, main_~#dummies~0#1.offset + 4 * main_~j~0#1, 4);main_#t~post10#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post10#1;havoc main_#t~post10#1; 378#L29-2 assume !!(main_~j~0#1 < 10);havoc main_#t~nondet9#1;call write~int#1(main_#t~nondet9#1, main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~j~0#1, 4);havoc main_#t~nondet9#1;call write~$Pointer$#3(0, 0, main_~#dummies~0#1.base, main_~#dummies~0#1.offset + 4 * main_~j~0#1, 4);main_#t~post10#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post10#1;havoc main_#t~post10#1; 377#L29-2 assume !!(main_~j~0#1 < 10);havoc main_#t~nondet9#1;call write~int#1(main_#t~nondet9#1, main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~j~0#1, 4);havoc main_#t~nondet9#1;call write~$Pointer$#3(0, 0, main_~#dummies~0#1.base, main_~#dummies~0#1.offset + 4 * main_~j~0#1, 4);main_#t~post10#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post10#1;havoc main_#t~post10#1; 376#L29-2 assume !!(main_~j~0#1 < 10);havoc main_#t~nondet9#1;call write~int#1(main_#t~nondet9#1, main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~j~0#1, 4);havoc main_#t~nondet9#1;call write~$Pointer$#3(0, 0, main_~#dummies~0#1.base, main_~#dummies~0#1.offset + 4 * main_~j~0#1, 4);main_#t~post10#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post10#1;havoc main_#t~post10#1; 375#L29-2 assume !!(main_~j~0#1 < 10);havoc main_#t~nondet9#1;call write~int#1(main_#t~nondet9#1, main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~j~0#1, 4);havoc main_#t~nondet9#1;call write~$Pointer$#3(0, 0, main_~#dummies~0#1.base, main_~#dummies~0#1.offset + 4 * main_~j~0#1, 4);main_#t~post10#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post10#1;havoc main_#t~post10#1; 374#L29-2 assume !!(main_~j~0#1 < 10);havoc main_#t~nondet9#1;call write~int#1(main_#t~nondet9#1, main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~j~0#1, 4);havoc main_#t~nondet9#1;call write~$Pointer$#3(0, 0, main_~#dummies~0#1.base, main_~#dummies~0#1.offset + 4 * main_~j~0#1, 4);main_#t~post10#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post10#1;havoc main_#t~post10#1; 373#L29-2 assume !!(main_~j~0#1 < 10);havoc main_#t~nondet9#1;call write~int#1(main_#t~nondet9#1, main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~j~0#1, 4);havoc main_#t~nondet9#1;call write~$Pointer$#3(0, 0, main_~#dummies~0#1.base, main_~#dummies~0#1.offset + 4 * main_~j~0#1, 4);main_#t~post10#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post10#1;havoc main_#t~post10#1; 372#L29-2 assume !!(main_~j~0#1 < 10);havoc main_#t~nondet9#1;call write~int#1(main_#t~nondet9#1, main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~j~0#1, 4);havoc main_#t~nondet9#1;call write~$Pointer$#3(0, 0, main_~#dummies~0#1.base, main_~#dummies~0#1.offset + 4 * main_~j~0#1, 4);main_#t~post10#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post10#1;havoc main_#t~post10#1; 371#L29-2 assume !(main_~j~0#1 < 10); 363#L29-3 havoc main_~j~0#1; 364#L35 assume main_~i~0#1 > 0 && main_~i~0#1 < 9;call write~int#1(main_~i~0#1, main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4);call write~$Pointer$#2(main_~#a~0#1.base, main_~#a~0#1.offset + 4 * (main_~i~0#1 - 1), main_~#dummy~0#1.base, main_~#dummy~0#1.offset, 4);call write~$Pointer$#3(main_~#dummy~0#1.base, main_~#dummy~0#1.offset, main_~#dummies~0#1.base, main_~#dummies~0#1.offset + 4 * (1 + main_~i~0#1), 4);call write~$Pointer$#4(main_~#dummies~0#1.base, 4 + main_~#dummies~0#1.offset, main_~#cont~0#1.base, main_~#cont~0#1.offset, 4);call main_#t~mem11#1.base, main_#t~mem11#1.offset := read~$Pointer$#4(main_~#cont~0#1.base, main_~#cont~0#1.offset, 4);call main_#t~mem12#1.base, main_#t~mem12#1.offset := read~$Pointer$#3(main_#t~mem11#1.base, main_#t~mem11#1.offset + 4 * main_~i~0#1, 4);call main_#t~mem13#1.base, main_#t~mem13#1.offset := read~$Pointer$#2(main_#t~mem12#1.base, main_#t~mem12#1.offset, 4);main_~pa~0#1.base, main_~pa~0#1.offset := main_#t~mem13#1.base, 4 + main_#t~mem13#1.offset;havoc main_#t~mem11#1.base, main_#t~mem11#1.offset;havoc main_#t~mem12#1.base, main_#t~mem12#1.offset;havoc main_#t~mem13#1.base, main_#t~mem13#1.offset;call main_#t~mem14#1 := read~int#1(main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4); 361#L41 assume main_#t~mem14#1 > 0;havoc main_#t~mem14#1;call main_#t~mem15#1.base, main_#t~mem15#1.offset := read~$Pointer$#3(main_~#dummies~0#1.base, main_~#dummies~0#1.offset + 4 * (1 + main_~i~0#1), 4);call main_#t~mem16#1.base, main_#t~mem16#1.offset := read~$Pointer$#2(main_#t~mem15#1.base, main_#t~mem15#1.offset, 4);call main_#t~mem17#1 := read~int#1(main_#t~mem16#1.base, 4 + main_#t~mem16#1.offset, 4);main_~i~0#1 := main_#t~mem17#1 - 10;havoc main_#t~mem15#1.base, main_#t~mem15#1.offset;havoc main_#t~mem16#1.base, main_#t~mem16#1.offset;havoc main_#t~mem17#1; 362#L43-3 [2024-11-13 12:44:37,312 INFO L747 eck$LassoCheckResult]: Loop: 362#L43-3 call main_#t~mem18#1 := read~int#1(main_~pa~0#1.base, main_~pa~0#1.offset, 4); 365#L43-1 assume !!(main_~i~0#1 < main_#t~mem18#1);havoc main_#t~mem18#1;main_#t~pre19#1 := 1 + main_~i~0#1;main_~i~0#1 := 1 + main_~i~0#1;havoc main_#t~pre19#1; 362#L43-3 [2024-11-13 12:44:37,312 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 12:44:37,312 INFO L85 PathProgramCache]: Analyzing trace with hash -855747988, now seen corresponding path program 3 times [2024-11-13 12:44:37,313 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 12:44:37,313 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1282257061] [2024-11-13 12:44:37,313 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 12:44:37,313 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 12:44:37,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 12:44:37,402 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 12:44:37,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 12:44:37,501 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-13 12:44:37,505 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 12:44:37,509 INFO L85 PathProgramCache]: Analyzing trace with hash 1734, now seen corresponding path program 4 times [2024-11-13 12:44:37,509 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 12:44:37,510 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [505763677] [2024-11-13 12:44:37,510 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 12:44:37,510 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 12:44:37,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 12:44:37,514 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 12:44:37,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 12:44:37,517 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-13 12:44:37,518 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 12:44:37,518 INFO L85 PathProgramCache]: Analyzing trace with hash -2035062159, now seen corresponding path program 1 times [2024-11-13 12:44:37,518 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 12:44:37,518 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [114888000] [2024-11-13 12:44:37,518 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 12:44:37,518 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 12:44:37,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 12:44:37,611 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 12:44:37,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 12:44:37,699 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace