./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/array-memsafety/count_down-alloca-1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 4fc63b2a Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_619e0115-cc0b-4371-addc-ab79ab466fc0/bin/uautomizer-verify-4GaUIPS5ZU/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_619e0115-cc0b-4371-addc-ab79ab466fc0/bin/uautomizer-verify-4GaUIPS5ZU/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_619e0115-cc0b-4371-addc-ab79ab466fc0/bin/uautomizer-verify-4GaUIPS5ZU/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_619e0115-cc0b-4371-addc-ab79ab466fc0/bin/uautomizer-verify-4GaUIPS5ZU/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/array-memsafety/count_down-alloca-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_619e0115-cc0b-4371-addc-ab79ab466fc0/bin/uautomizer-verify-4GaUIPS5ZU/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_619e0115-cc0b-4371-addc-ab79ab466fc0/bin/uautomizer-verify-4GaUIPS5ZU --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 2407fc1341f915e07c0451c9d94952a51e657d88233cd0bc37ed2523188f0c82 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-4fc63b2 [2024-10-31 21:59:29,958 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-31 21:59:30,056 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_619e0115-cc0b-4371-addc-ab79ab466fc0/bin/uautomizer-verify-4GaUIPS5ZU/config/svcomp-Termination-32bit-Automizer_Default.epf [2024-10-31 21:59:30,064 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-31 21:59:30,065 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-31 21:59:30,111 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-31 21:59:30,112 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-31 21:59:30,112 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-31 21:59:30,113 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-31 21:59:30,115 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-31 21:59:30,116 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-31 21:59:30,117 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-31 21:59:30,118 INFO L153 SettingsManager]: * Use SBE=true [2024-10-31 21:59:30,121 INFO L151 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2024-10-31 21:59:30,121 INFO L153 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2024-10-31 21:59:30,122 INFO L153 SettingsManager]: * Use old map elimination=false [2024-10-31 21:59:30,122 INFO L153 SettingsManager]: * Use external solver (rank synthesis)=false [2024-10-31 21:59:30,122 INFO L153 SettingsManager]: * Use only trivial implications for array writes=true [2024-10-31 21:59:30,123 INFO L153 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2024-10-31 21:59:30,126 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-31 21:59:30,127 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2024-10-31 21:59:30,128 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-31 21:59:30,128 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-31 21:59:30,128 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-31 21:59:30,128 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-31 21:59:30,129 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2024-10-31 21:59:30,129 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2024-10-31 21:59:30,129 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2024-10-31 21:59:30,129 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-31 21:59:30,130 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-10-31 21:59:30,130 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-31 21:59:30,130 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-31 21:59:30,130 INFO L153 SettingsManager]: * Assume nondeterminstic values are in range=false [2024-10-31 21:59:30,133 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-31 21:59:30,133 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-31 21:59:30,134 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-31 21:59:30,134 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-31 21:59:30,134 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-31 21:59:30,135 INFO L151 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2024-10-31 21:59:30,135 INFO L153 SettingsManager]: * TransformationType=MODULO_NEIGHBOR WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_619e0115-cc0b-4371-addc-ab79ab466fc0/bin/uautomizer-verify-4GaUIPS5ZU/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_619e0115-cc0b-4371-addc-ab79ab466fc0/bin/uautomizer-verify-4GaUIPS5ZU Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2407fc1341f915e07c0451c9d94952a51e657d88233cd0bc37ed2523188f0c82 [2024-10-31 21:59:30,621 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-31 21:59:30,655 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-31 21:59:30,659 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-31 21:59:30,661 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-31 21:59:30,665 INFO L274 PluginConnector]: CDTParser initialized [2024-10-31 21:59:30,666 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_619e0115-cc0b-4371-addc-ab79ab466fc0/bin/uautomizer-verify-4GaUIPS5ZU/../../sv-benchmarks/c/array-memsafety/count_down-alloca-1.i Unable to find full path for "g++" [2024-10-31 21:59:32,924 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-31 21:59:33,211 INFO L384 CDTParser]: Found 1 translation units. [2024-10-31 21:59:33,211 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_619e0115-cc0b-4371-addc-ab79ab466fc0/sv-benchmarks/c/array-memsafety/count_down-alloca-1.i [2024-10-31 21:59:33,231 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_619e0115-cc0b-4371-addc-ab79ab466fc0/bin/uautomizer-verify-4GaUIPS5ZU/data/4e9b4da10/60181e216ed444d2a796b049725515d5/FLAGbc24f6271 [2024-10-31 21:59:33,257 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_619e0115-cc0b-4371-addc-ab79ab466fc0/bin/uautomizer-verify-4GaUIPS5ZU/data/4e9b4da10/60181e216ed444d2a796b049725515d5 [2024-10-31 21:59:33,262 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-31 21:59:33,265 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-31 21:59:33,267 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-31 21:59:33,268 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-31 21:59:33,275 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-31 21:59:33,276 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.10 09:59:33" (1/1) ... [2024-10-31 21:59:33,277 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1e89b2cf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 09:59:33, skipping insertion in model container [2024-10-31 21:59:33,277 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.10 09:59:33" (1/1) ... [2024-10-31 21:59:33,332 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-31 21:59:33,719 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-31 21:59:33,732 INFO L200 MainTranslator]: Completed pre-run [2024-10-31 21:59:33,777 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-31 21:59:33,805 INFO L204 MainTranslator]: Completed translation [2024-10-31 21:59:33,806 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 09:59:33 WrapperNode [2024-10-31 21:59:33,806 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-31 21:59:33,807 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-31 21:59:33,808 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-31 21:59:33,808 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-31 21:59:33,815 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 09:59:33" (1/1) ... [2024-10-31 21:59:33,827 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 09:59:33" (1/1) ... [2024-10-31 21:59:33,851 INFO L138 Inliner]: procedures = 115, calls = 10, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 59 [2024-10-31 21:59:33,854 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-31 21:59:33,858 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-31 21:59:33,858 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-31 21:59:33,858 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-31 21:59:33,871 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 09:59:33" (1/1) ... [2024-10-31 21:59:33,871 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 09:59:33" (1/1) ... [2024-10-31 21:59:33,874 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 09:59:33" (1/1) ... [2024-10-31 21:59:33,887 INFO L175 MemorySlicer]: Split 4 memory accesses to 1 slices as follows [4]. 100 percent of accesses are in the largest equivalence class. The 0 initializations are split as follows [0]. The 2 writes are split as follows [2]. [2024-10-31 21:59:33,887 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 09:59:33" (1/1) ... [2024-10-31 21:59:33,888 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 09:59:33" (1/1) ... [2024-10-31 21:59:33,894 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 09:59:33" (1/1) ... [2024-10-31 21:59:33,901 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 09:59:33" (1/1) ... [2024-10-31 21:59:33,904 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 09:59:33" (1/1) ... [2024-10-31 21:59:33,905 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 09:59:33" (1/1) ... [2024-10-31 21:59:33,907 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-31 21:59:33,908 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-31 21:59:33,909 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-31 21:59:33,909 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-31 21:59:33,910 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 09:59:33" (1/1) ... [2024-10-31 21:59:33,921 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 21:59:33,934 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_619e0115-cc0b-4371-addc-ab79ab466fc0/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 21:59:33,950 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_619e0115-cc0b-4371-addc-ab79ab466fc0/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 21:59:33,954 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_619e0115-cc0b-4371-addc-ab79ab466fc0/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2024-10-31 21:59:33,992 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-10-31 21:59:33,992 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-10-31 21:59:33,993 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-10-31 21:59:33,993 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-10-31 21:59:33,993 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-31 21:59:33,993 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-31 21:59:34,174 INFO L238 CfgBuilder]: Building ICFG [2024-10-31 21:59:34,176 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-31 21:59:34,364 INFO L? ?]: Removed 9 outVars from TransFormulas that were not future-live. [2024-10-31 21:59:34,365 INFO L287 CfgBuilder]: Performing block encoding [2024-10-31 21:59:34,377 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-31 21:59:34,378 INFO L316 CfgBuilder]: Removed 3 assume(true) statements. [2024-10-31 21:59:34,378 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.10 09:59:34 BoogieIcfgContainer [2024-10-31 21:59:34,379 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-31 21:59:34,380 INFO L112 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2024-10-31 21:59:34,380 INFO L270 PluginConnector]: Initializing BuchiAutomizer... [2024-10-31 21:59:34,385 INFO L274 PluginConnector]: BuchiAutomizer initialized [2024-10-31 21:59:34,386 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-10-31 21:59:34,386 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 31.10 09:59:33" (1/3) ... [2024-10-31 21:59:34,387 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@7a1b9e66 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 31.10 09:59:34, skipping insertion in model container [2024-10-31 21:59:34,387 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-10-31 21:59:34,388 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 09:59:33" (2/3) ... [2024-10-31 21:59:34,390 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@7a1b9e66 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 31.10 09:59:34, skipping insertion in model container [2024-10-31 21:59:34,390 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-10-31 21:59:34,391 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.10 09:59:34" (3/3) ... [2024-10-31 21:59:34,393 INFO L332 chiAutomizerObserver]: Analyzing ICFG count_down-alloca-1.i [2024-10-31 21:59:34,456 INFO L300 stractBuchiCegarLoop]: Interprodecural is true [2024-10-31 21:59:34,456 INFO L301 stractBuchiCegarLoop]: Hoare is None [2024-10-31 21:59:34,457 INFO L302 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2024-10-31 21:59:34,457 INFO L303 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2024-10-31 21:59:34,457 INFO L304 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2024-10-31 21:59:34,457 INFO L305 stractBuchiCegarLoop]: Difference is false [2024-10-31 21:59:34,457 INFO L306 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2024-10-31 21:59:34,458 INFO L310 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2024-10-31 21:59:34,463 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 18 states, 17 states have (on average 1.5294117647058822) internal successors, (26), 17 states have internal predecessors, (26), 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) [2024-10-31 21:59:34,479 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 8 [2024-10-31 21:59:34,480 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-10-31 21:59:34,480 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-10-31 21:59:34,485 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2024-10-31 21:59:34,486 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2024-10-31 21:59:34,486 INFO L332 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2024-10-31 21:59:34,486 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 18 states, 17 states have (on average 1.5294117647058822) internal successors, (26), 17 states have internal predecessors, (26), 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) [2024-10-31 21:59:34,488 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 8 [2024-10-31 21:59:34,488 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-10-31 21:59:34,489 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-10-31 21:59:34,489 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2024-10-31 21:59:34,489 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2024-10-31 21:59:34,497 INFO L745 eck$LassoCheckResult]: Stem: 15#$Ultimate##0true assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 9#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet2#1, main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_#t~nondet4#1, main_#t~post5#1, main_#t~mem6#1, main_#t~mem7#1, main_#t~post8#1, main_#t~post9#1, main_~i~0#1, main_~j~0#1, main_~val~0#1, main_~length~0#1, main_~arr~0#1.base, main_~arr~0#1.offset;havoc main_~i~0#1;havoc main_~j~0#1;havoc main_~val~0#1;havoc main_#t~nondet2#1;main_~length~0#1 := main_#t~nondet2#1;havoc main_#t~nondet2#1; 18#L516true assume !(main_~length~0#1 < 1 || main_~length~0#1 % 4294967296 >= 536870911); 16#L516-2true call main_#t~malloc3#1.base, main_#t~malloc3#1.offset := #Ultimate.allocOnStack(4 * main_~length~0#1 % 4294967296);main_~arr~0#1.base, main_~arr~0#1.offset := main_#t~malloc3#1.base, main_#t~malloc3#1.offset; 10#L518true assume !(main_~arr~0#1.base == 0 && main_~arr~0#1.offset == 0);main_~i~0#1 := 0; 11#L519-3true [2024-10-31 21:59:34,498 INFO L747 eck$LassoCheckResult]: Loop: 11#L519-3true assume !!(main_~i~0#1 < main_~length~0#1);havoc main_#t~nondet4#1;main_~val~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1; 12#L521true assume main_~val~0#1 < 0;main_~val~0#1 := 0; 7#L521-2true call write~int#0(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 8#L519-2true main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1; 11#L519-3true [2024-10-31 21:59:34,503 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 21:59:34,503 INFO L85 PathProgramCache]: Analyzing trace with hash 28695753, now seen corresponding path program 1 times [2024-10-31 21:59:34,518 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 21:59:34,519 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1003988528] [2024-10-31 21:59:34,519 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 21:59:34,520 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 21:59:34,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 21:59:34,667 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-31 21:59:34,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 21:59:34,704 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-31 21:59:34,707 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 21:59:34,707 INFO L85 PathProgramCache]: Analyzing trace with hash 1603878, now seen corresponding path program 1 times [2024-10-31 21:59:34,707 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 21:59:34,707 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [871098294] [2024-10-31 21:59:34,708 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 21:59:34,708 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 21:59:34,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 21:59:34,722 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-31 21:59:34,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 21:59:34,732 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-31 21:59:34,733 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 21:59:34,734 INFO L85 PathProgramCache]: Analyzing trace with hash 1182970350, now seen corresponding path program 1 times [2024-10-31 21:59:34,734 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 21:59:34,734 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1281360710] [2024-10-31 21:59:34,734 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 21:59:34,735 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 21:59:34,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 21:59:34,780 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-31 21:59:34,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 21:59:34,814 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-31 21:59:35,188 INFO L204 LassoAnalysis]: Preferences: [2024-10-31 21:59:35,189 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-10-31 21:59:35,189 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-10-31 21:59:35,189 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-10-31 21:59:35,190 INFO L128 ssoRankerPreferences]: Use exernal solver: false [2024-10-31 21:59:35,190 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 21:59:35,190 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-10-31 21:59:35,190 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-10-31 21:59:35,191 INFO L132 ssoRankerPreferences]: Filename of dumped script: count_down-alloca-1.i_Iteration1_Lasso [2024-10-31 21:59:35,191 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-10-31 21:59:35,191 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-10-31 21:59:35,215 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 21:59:35,227 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 21:59:35,232 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 21:59:35,238 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 21:59:35,243 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 21:59:35,251 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 21:59:35,489 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 21:59:35,495 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 21:59:35,501 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 21:59:35,504 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 21:59:35,509 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 21:59:35,512 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 21:59:35,517 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 21:59:35,523 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 21:59:35,528 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 21:59:35,899 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-10-31 21:59:35,904 INFO L451 LassoAnalysis]: Using template 'affine'. [2024-10-31 21:59:35,905 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 21:59:35,906 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_619e0115-cc0b-4371-addc-ab79ab466fc0/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 21:59:35,908 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_619e0115-cc0b-4371-addc-ab79ab466fc0/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 21:59:35,910 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_619e0115-cc0b-4371-addc-ab79ab466fc0/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2024-10-31 21:59:35,911 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 [2024-10-31 21:59:35,926 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-31 21:59:35,926 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-31 21:59:35,927 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-31 21:59:35,927 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-31 21:59:35,927 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-31 21:59:35,929 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-31 21:59:35,930 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-31 21:59:35,933 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-31 21:59:35,953 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_619e0115-cc0b-4371-addc-ab79ab466fc0/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Forceful destruction successful, exit code 0 [2024-10-31 21:59:35,953 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 21:59:35,953 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_619e0115-cc0b-4371-addc-ab79ab466fc0/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 21:59:35,957 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_619e0115-cc0b-4371-addc-ab79ab466fc0/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 21:59:35,958 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_619e0115-cc0b-4371-addc-ab79ab466fc0/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2024-10-31 21:59:35,959 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 [2024-10-31 21:59:35,975 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-31 21:59:35,975 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-31 21:59:35,976 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-31 21:59:35,976 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-31 21:59:35,976 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-31 21:59:35,977 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-31 21:59:35,977 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-31 21:59:35,980 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-31 21:59:36,009 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_619e0115-cc0b-4371-addc-ab79ab466fc0/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Forceful destruction successful, exit code 0 [2024-10-31 21:59:36,010 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 21:59:36,010 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_619e0115-cc0b-4371-addc-ab79ab466fc0/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 21:59:36,012 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_619e0115-cc0b-4371-addc-ab79ab466fc0/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 21:59:36,013 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_619e0115-cc0b-4371-addc-ab79ab466fc0/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2024-10-31 21:59:36,014 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 [2024-10-31 21:59:36,027 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-31 21:59:36,027 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-31 21:59:36,027 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-31 21:59:36,027 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-31 21:59:36,028 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-31 21:59:36,029 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-31 21:59:36,029 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-31 21:59:36,031 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-31 21:59:36,051 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_619e0115-cc0b-4371-addc-ab79ab466fc0/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Forceful destruction successful, exit code 0 [2024-10-31 21:59:36,051 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 21:59:36,051 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_619e0115-cc0b-4371-addc-ab79ab466fc0/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 21:59:36,054 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_619e0115-cc0b-4371-addc-ab79ab466fc0/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 21:59:36,057 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_619e0115-cc0b-4371-addc-ab79ab466fc0/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2024-10-31 21:59:36,059 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 [2024-10-31 21:59:36,073 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-31 21:59:36,073 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-31 21:59:36,074 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-31 21:59:36,074 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-31 21:59:36,074 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-31 21:59:36,076 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-31 21:59:36,076 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-31 21:59:36,079 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-31 21:59:36,094 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_619e0115-cc0b-4371-addc-ab79ab466fc0/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Ended with exit code 0 [2024-10-31 21:59:36,095 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 21:59:36,095 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_619e0115-cc0b-4371-addc-ab79ab466fc0/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 21:59:36,097 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_619e0115-cc0b-4371-addc-ab79ab466fc0/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 21:59:36,099 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_619e0115-cc0b-4371-addc-ab79ab466fc0/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2024-10-31 21:59:36,101 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 [2024-10-31 21:59:36,115 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-31 21:59:36,116 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-31 21:59:36,116 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-31 21:59:36,116 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-31 21:59:36,121 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-10-31 21:59:36,122 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-10-31 21:59:36,127 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-31 21:59:36,144 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_619e0115-cc0b-4371-addc-ab79ab466fc0/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Forceful destruction successful, exit code 0 [2024-10-31 21:59:36,145 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 21:59:36,146 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_619e0115-cc0b-4371-addc-ab79ab466fc0/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 21:59:36,148 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_619e0115-cc0b-4371-addc-ab79ab466fc0/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 21:59:36,149 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_619e0115-cc0b-4371-addc-ab79ab466fc0/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2024-10-31 21:59:36,150 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 [2024-10-31 21:59:36,164 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-31 21:59:36,165 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-31 21:59:36,165 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-31 21:59:36,165 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-31 21:59:36,175 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-10-31 21:59:36,176 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-10-31 21:59:36,193 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2024-10-31 21:59:36,230 INFO L443 ModelExtractionUtils]: Simplification made 10 calls to the SMT solver. [2024-10-31 21:59:36,230 INFO L444 ModelExtractionUtils]: 4 out of 19 variables were initially zero. Simplification set additionally 12 variables to zero. [2024-10-31 21:59:36,232 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 21:59:36,233 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_619e0115-cc0b-4371-addc-ab79ab466fc0/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 21:59:36,246 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_619e0115-cc0b-4371-addc-ab79ab466fc0/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 21:59:36,250 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_619e0115-cc0b-4371-addc-ab79ab466fc0/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2024-10-31 21:59:36,250 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2024-10-31 21:59:36,266 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2024-10-31 21:59:36,267 INFO L474 LassoAnalysis]: Proved termination. [2024-10-31 21:59:36,267 INFO L476 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~length~0#1, ULTIMATE.start_main_~i~0#1) = 1*ULTIMATE.start_main_~length~0#1 - 1*ULTIMATE.start_main_~i~0#1 Supporting invariants [] [2024-10-31 21:59:36,288 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_619e0115-cc0b-4371-addc-ab79ab466fc0/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Ended with exit code 0 [2024-10-31 21:59:36,303 INFO L156 tatePredicateManager]: 3 out of 3 supporting invariants were superfluous and have been removed [2024-10-31 21:59:36,337 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 21:59:36,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 21:59:36,359 INFO L255 TraceCheckSpWp]: Trace formula consists of 27 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-10-31 21:59:36,360 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-31 21:59:36,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 21:59:36,390 INFO L255 TraceCheckSpWp]: Trace formula consists of 16 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-10-31 21:59:36,391 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-31 21:59:36,432 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 21:59:36,467 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2024-10-31 21:59:36,468 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand has 18 states, 17 states have (on average 1.5294117647058822) internal successors, (26), 17 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 3 states, 3 states have (on average 3.0) internal successors, (9), 3 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 21:59:36,523 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand has 18 states, 17 states have (on average 1.5294117647058822) internal successors, (26), 17 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0). Second operand has 3 states, 3 states have (on average 3.0) internal successors, (9), 3 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 34 states and 48 transitions. Complement of second has 6 states. [2024-10-31 21:59:36,526 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2024-10-31 21:59:36,533 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 3.0) internal successors, (9), 3 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 21:59:36,533 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 27 transitions. [2024-10-31 21:59:36,535 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 27 transitions. Stem has 5 letters. Loop has 4 letters. [2024-10-31 21:59:36,536 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-10-31 21:59:36,536 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 27 transitions. Stem has 9 letters. Loop has 4 letters. [2024-10-31 21:59:36,537 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-10-31 21:59:36,537 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 27 transitions. Stem has 5 letters. Loop has 8 letters. [2024-10-31 21:59:36,537 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-10-31 21:59:36,538 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 34 states and 48 transitions. [2024-10-31 21:59:36,542 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2024-10-31 21:59:36,547 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 34 states to 15 states and 21 transitions. [2024-10-31 21:59:36,548 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 10 [2024-10-31 21:59:36,548 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 11 [2024-10-31 21:59:36,549 INFO L73 IsDeterministic]: Start isDeterministic. Operand 15 states and 21 transitions. [2024-10-31 21:59:36,550 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2024-10-31 21:59:36,550 INFO L218 hiAutomatonCegarLoop]: Abstraction has 15 states and 21 transitions. [2024-10-31 21:59:36,567 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15 states and 21 transitions. [2024-10-31 21:59:36,575 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15 to 15. [2024-10-31 21:59:36,575 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15 states, 15 states have (on average 1.4) internal successors, (21), 14 states have internal predecessors, (21), 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) [2024-10-31 21:59:36,576 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 21 transitions. [2024-10-31 21:59:36,577 INFO L240 hiAutomatonCegarLoop]: Abstraction has 15 states and 21 transitions. [2024-10-31 21:59:36,577 INFO L425 stractBuchiCegarLoop]: Abstraction has 15 states and 21 transitions. [2024-10-31 21:59:36,578 INFO L332 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2024-10-31 21:59:36,578 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 15 states and 21 transitions. [2024-10-31 21:59:36,578 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2024-10-31 21:59:36,579 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-10-31 21:59:36,579 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-10-31 21:59:36,579 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2024-10-31 21:59:36,579 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2024-10-31 21:59:36,580 INFO L745 eck$LassoCheckResult]: Stem: 128#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 122#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet2#1, main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_#t~nondet4#1, main_#t~post5#1, main_#t~mem6#1, main_#t~mem7#1, main_#t~post8#1, main_#t~post9#1, main_~i~0#1, main_~j~0#1, main_~val~0#1, main_~length~0#1, main_~arr~0#1.base, main_~arr~0#1.offset;havoc main_~i~0#1;havoc main_~j~0#1;havoc main_~val~0#1;havoc main_#t~nondet2#1;main_~length~0#1 := main_#t~nondet2#1;havoc main_#t~nondet2#1; 123#L516 assume !(main_~length~0#1 < 1 || main_~length~0#1 % 4294967296 >= 536870911); 129#L516-2 call main_#t~malloc3#1.base, main_#t~malloc3#1.offset := #Ultimate.allocOnStack(4 * main_~length~0#1 % 4294967296);main_~arr~0#1.base, main_~arr~0#1.offset := main_#t~malloc3#1.base, main_#t~malloc3#1.offset; 124#L518 assume !(main_~arr~0#1.base == 0 && main_~arr~0#1.offset == 0);main_~i~0#1 := 0; 125#L519-3 assume !(main_~i~0#1 < main_~length~0#1); 126#L519-4 main_~j~0#1 := 0; 116#L526-3 [2024-10-31 21:59:36,580 INFO L747 eck$LassoCheckResult]: Loop: 116#L526-3 assume !!(main_~j~0#1 < main_~length~0#1); 118#L527-3 assume !true; 115#L526-2 main_#t~post9#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post9#1;havoc main_#t~post9#1; 116#L526-3 [2024-10-31 21:59:36,580 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 21:59:36,580 INFO L85 PathProgramCache]: Analyzing trace with hash 1806815512, now seen corresponding path program 1 times [2024-10-31 21:59:36,581 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 21:59:36,581 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [90870484] [2024-10-31 21:59:36,581 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 21:59:36,581 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 21:59:36,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 21:59:36,728 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 21:59:36,729 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 21:59:36,729 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [90870484] [2024-10-31 21:59:36,730 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [90870484] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 21:59:36,730 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 21:59:36,730 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-31 21:59:36,731 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [355562302] [2024-10-31 21:59:36,732 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 21:59:36,735 INFO L750 eck$LassoCheckResult]: stem already infeasible [2024-10-31 21:59:36,735 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 21:59:36,735 INFO L85 PathProgramCache]: Analyzing trace with hash 72876, now seen corresponding path program 1 times [2024-10-31 21:59:36,736 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 21:59:36,736 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [740959216] [2024-10-31 21:59:36,736 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 21:59:36,736 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 21:59:36,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 21:59:36,750 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 21:59:36,750 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 21:59:36,751 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [740959216] [2024-10-31 21:59:36,751 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [740959216] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 21:59:36,751 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 21:59:36,751 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-31 21:59:36,751 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1162912724] [2024-10-31 21:59:36,752 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 21:59:36,752 INFO L762 eck$LassoCheckResult]: loop already infeasible [2024-10-31 21:59:36,752 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 21:59:36,755 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-10-31 21:59:36,756 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-10-31 21:59:36,757 INFO L87 Difference]: Start difference. First operand 15 states and 21 transitions. cyclomatic complexity: 8 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) [2024-10-31 21:59:36,763 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-31 21:59:36,763 INFO L93 Difference]: Finished difference Result 15 states and 20 transitions. [2024-10-31 21:59:36,763 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 15 states and 20 transitions. [2024-10-31 21:59:36,764 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2024-10-31 21:59:36,764 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 15 states to 15 states and 20 transitions. [2024-10-31 21:59:36,764 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 11 [2024-10-31 21:59:36,765 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 11 [2024-10-31 21:59:36,765 INFO L73 IsDeterministic]: Start isDeterministic. Operand 15 states and 20 transitions. [2024-10-31 21:59:36,765 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2024-10-31 21:59:36,765 INFO L218 hiAutomatonCegarLoop]: Abstraction has 15 states and 20 transitions. [2024-10-31 21:59:36,765 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15 states and 20 transitions. [2024-10-31 21:59:36,766 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15 to 15. [2024-10-31 21:59:36,766 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15 states, 15 states have (on average 1.3333333333333333) internal successors, (20), 14 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 21:59:36,770 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 20 transitions. [2024-10-31 21:59:36,771 INFO L240 hiAutomatonCegarLoop]: Abstraction has 15 states and 20 transitions. [2024-10-31 21:59:36,771 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-31 21:59:36,773 INFO L425 stractBuchiCegarLoop]: Abstraction has 15 states and 20 transitions. [2024-10-31 21:59:36,773 INFO L332 stractBuchiCegarLoop]: ======== Iteration 3 ============ [2024-10-31 21:59:36,773 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 15 states and 20 transitions. [2024-10-31 21:59:36,774 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2024-10-31 21:59:36,774 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-10-31 21:59:36,774 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-10-31 21:59:36,774 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2024-10-31 21:59:36,774 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2024-10-31 21:59:36,776 INFO L745 eck$LassoCheckResult]: Stem: 165#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 159#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet2#1, main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_#t~nondet4#1, main_#t~post5#1, main_#t~mem6#1, main_#t~mem7#1, main_#t~post8#1, main_#t~post9#1, main_~i~0#1, main_~j~0#1, main_~val~0#1, main_~length~0#1, main_~arr~0#1.base, main_~arr~0#1.offset;havoc main_~i~0#1;havoc main_~j~0#1;havoc main_~val~0#1;havoc main_#t~nondet2#1;main_~length~0#1 := main_#t~nondet2#1;havoc main_#t~nondet2#1; 160#L516 assume !(main_~length~0#1 < 1 || main_~length~0#1 % 4294967296 >= 536870911); 166#L516-2 call main_#t~malloc3#1.base, main_#t~malloc3#1.offset := #Ultimate.allocOnStack(4 * main_~length~0#1 % 4294967296);main_~arr~0#1.base, main_~arr~0#1.offset := main_#t~malloc3#1.base, main_#t~malloc3#1.offset; 161#L518 assume !(main_~arr~0#1.base == 0 && main_~arr~0#1.offset == 0);main_~i~0#1 := 0; 162#L519-3 assume !(main_~i~0#1 < main_~length~0#1); 163#L519-4 main_~j~0#1 := 0; 153#L526-3 [2024-10-31 21:59:36,776 INFO L747 eck$LassoCheckResult]: Loop: 153#L526-3 assume !!(main_~j~0#1 < main_~length~0#1); 155#L527-3 call main_#t~mem6#1 := read~int#0(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 154#L527-1 assume !(main_#t~mem6#1 > 0);havoc main_#t~mem6#1; 152#L526-2 main_#t~post9#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post9#1;havoc main_#t~post9#1; 153#L526-3 [2024-10-31 21:59:36,777 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 21:59:36,777 INFO L85 PathProgramCache]: Analyzing trace with hash 1806815512, now seen corresponding path program 2 times [2024-10-31 21:59:36,777 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 21:59:36,777 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1553121555] [2024-10-31 21:59:36,778 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 21:59:36,778 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 21:59:36,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 21:59:36,898 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 21:59:36,898 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 21:59:36,898 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1553121555] [2024-10-31 21:59:36,899 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1553121555] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 21:59:36,899 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 21:59:36,899 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-31 21:59:36,899 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [465277681] [2024-10-31 21:59:36,899 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 21:59:36,900 INFO L750 eck$LassoCheckResult]: stem already infeasible [2024-10-31 21:59:36,900 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 21:59:36,900 INFO L85 PathProgramCache]: Analyzing trace with hash 2252300, now seen corresponding path program 1 times [2024-10-31 21:59:36,900 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 21:59:36,901 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [412271961] [2024-10-31 21:59:36,901 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 21:59:36,902 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 21:59:36,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 21:59:36,911 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-31 21:59:36,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 21:59:36,922 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-31 21:59:36,986 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_619e0115-cc0b-4371-addc-ab79ab466fc0/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Ended with exit code 0 [2024-10-31 21:59:37,019 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 21:59:37,019 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-31 21:59:37,019 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-10-31 21:59:37,020 INFO L87 Difference]: Start difference. First operand 15 states and 20 transitions. cyclomatic complexity: 7 Second operand has 4 states, 4 states have (on average 1.75) internal successors, (7), 4 states have internal predecessors, (7), 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) [2024-10-31 21:59:37,052 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-31 21:59:37,052 INFO L93 Difference]: Finished difference Result 18 states and 23 transitions. [2024-10-31 21:59:37,052 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 18 states and 23 transitions. [2024-10-31 21:59:37,053 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2024-10-31 21:59:37,054 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 18 states to 18 states and 23 transitions. [2024-10-31 21:59:37,054 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 11 [2024-10-31 21:59:37,054 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 11 [2024-10-31 21:59:37,054 INFO L73 IsDeterministic]: Start isDeterministic. Operand 18 states and 23 transitions. [2024-10-31 21:59:37,054 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2024-10-31 21:59:37,054 INFO L218 hiAutomatonCegarLoop]: Abstraction has 18 states and 23 transitions. [2024-10-31 21:59:37,054 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18 states and 23 transitions. [2024-10-31 21:59:37,055 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18 to 15. [2024-10-31 21:59:37,057 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15 states, 15 states have (on average 1.2666666666666666) internal successors, (19), 14 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) [2024-10-31 21:59:37,061 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 19 transitions. [2024-10-31 21:59:37,061 INFO L240 hiAutomatonCegarLoop]: Abstraction has 15 states and 19 transitions. [2024-10-31 21:59:37,062 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-31 21:59:37,062 INFO L425 stractBuchiCegarLoop]: Abstraction has 15 states and 19 transitions. [2024-10-31 21:59:37,063 INFO L332 stractBuchiCegarLoop]: ======== Iteration 4 ============ [2024-10-31 21:59:37,063 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 15 states and 19 transitions. [2024-10-31 21:59:37,063 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2024-10-31 21:59:37,063 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-10-31 21:59:37,063 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-10-31 21:59:37,064 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-31 21:59:37,064 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2024-10-31 21:59:37,064 INFO L745 eck$LassoCheckResult]: Stem: 205#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 199#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet2#1, main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_#t~nondet4#1, main_#t~post5#1, main_#t~mem6#1, main_#t~mem7#1, main_#t~post8#1, main_#t~post9#1, main_~i~0#1, main_~j~0#1, main_~val~0#1, main_~length~0#1, main_~arr~0#1.base, main_~arr~0#1.offset;havoc main_~i~0#1;havoc main_~j~0#1;havoc main_~val~0#1;havoc main_#t~nondet2#1;main_~length~0#1 := main_#t~nondet2#1;havoc main_#t~nondet2#1; 200#L516 assume !(main_~length~0#1 < 1 || main_~length~0#1 % 4294967296 >= 536870911); 206#L516-2 call main_#t~malloc3#1.base, main_#t~malloc3#1.offset := #Ultimate.allocOnStack(4 * main_~length~0#1 % 4294967296);main_~arr~0#1.base, main_~arr~0#1.offset := main_#t~malloc3#1.base, main_#t~malloc3#1.offset; 201#L518 assume !(main_~arr~0#1.base == 0 && main_~arr~0#1.offset == 0);main_~i~0#1 := 0; 202#L519-3 assume !!(main_~i~0#1 < main_~length~0#1);havoc main_#t~nondet4#1;main_~val~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1; 203#L521 assume !(main_~val~0#1 < 0); 196#L521-2 call write~int#0(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 197#L519-2 main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1; 198#L519-3 assume !(main_~i~0#1 < main_~length~0#1); 204#L519-4 main_~j~0#1 := 0; 193#L526-3 [2024-10-31 21:59:37,064 INFO L747 eck$LassoCheckResult]: Loop: 193#L526-3 assume !!(main_~j~0#1 < main_~length~0#1); 195#L527-3 call main_#t~mem6#1 := read~int#0(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 194#L527-1 assume !(main_#t~mem6#1 > 0);havoc main_#t~mem6#1; 192#L526-2 main_#t~post9#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post9#1;havoc main_#t~post9#1; 193#L526-3 [2024-10-31 21:59:37,065 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 21:59:37,065 INFO L85 PathProgramCache]: Analyzing trace with hash -1329979393, now seen corresponding path program 1 times [2024-10-31 21:59:37,065 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 21:59:37,065 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [161330876] [2024-10-31 21:59:37,065 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 21:59:37,065 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 21:59:37,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 21:59:37,079 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-31 21:59:37,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 21:59:37,093 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-31 21:59:37,094 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 21:59:37,094 INFO L85 PathProgramCache]: Analyzing trace with hash 2252300, now seen corresponding path program 2 times [2024-10-31 21:59:37,094 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 21:59:37,094 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1600093829] [2024-10-31 21:59:37,095 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 21:59:37,095 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 21:59:37,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 21:59:37,100 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-31 21:59:37,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 21:59:37,105 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-31 21:59:37,105 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 21:59:37,105 INFO L85 PathProgramCache]: Analyzing trace with hash -2035265782, now seen corresponding path program 1 times [2024-10-31 21:59:37,105 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 21:59:37,106 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1679737219] [2024-10-31 21:59:37,106 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 21:59:37,106 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 21:59:37,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 21:59:37,124 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-31 21:59:37,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 21:59:37,141 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-31 21:59:37,412 INFO L204 LassoAnalysis]: Preferences: [2024-10-31 21:59:37,412 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-10-31 21:59:37,412 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-10-31 21:59:37,412 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-10-31 21:59:37,413 INFO L128 ssoRankerPreferences]: Use exernal solver: false [2024-10-31 21:59:37,413 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 21:59:37,413 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-10-31 21:59:37,413 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-10-31 21:59:37,413 INFO L132 ssoRankerPreferences]: Filename of dumped script: count_down-alloca-1.i_Iteration4_Lasso [2024-10-31 21:59:37,413 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-10-31 21:59:37,413 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-10-31 21:59:37,416 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 21:59:37,419 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 21:59:37,422 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 21:59:37,425 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 21:59:37,427 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 21:59:37,565 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 21:59:37,568 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 21:59:37,572 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 21:59:37,575 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 21:59:37,578 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 21:59:37,581 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 21:59:37,584 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 21:59:37,587 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 21:59:37,590 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 21:59:37,593 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 21:59:37,835 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-10-31 21:59:37,835 INFO L451 LassoAnalysis]: Using template 'affine'. [2024-10-31 21:59:37,835 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 21:59:37,835 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_619e0115-cc0b-4371-addc-ab79ab466fc0/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 21:59:37,840 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_619e0115-cc0b-4371-addc-ab79ab466fc0/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 21:59:37,841 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_619e0115-cc0b-4371-addc-ab79ab466fc0/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2024-10-31 21:59:37,842 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 [2024-10-31 21:59:37,858 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-31 21:59:37,858 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-31 21:59:37,858 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-31 21:59:37,858 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-31 21:59:37,858 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-31 21:59:37,859 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-31 21:59:37,859 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-31 21:59:37,861 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-31 21:59:37,881 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_619e0115-cc0b-4371-addc-ab79ab466fc0/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Ended with exit code 0 [2024-10-31 21:59:37,881 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 21:59:37,882 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_619e0115-cc0b-4371-addc-ab79ab466fc0/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 21:59:37,884 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_619e0115-cc0b-4371-addc-ab79ab466fc0/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 21:59:37,885 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_619e0115-cc0b-4371-addc-ab79ab466fc0/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Waiting until timeout for monitored process [2024-10-31 21:59:37,887 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 [2024-10-31 21:59:37,903 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-31 21:59:37,903 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-31 21:59:37,903 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-31 21:59:37,903 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-31 21:59:37,903 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-31 21:59:37,904 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-31 21:59:37,904 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-31 21:59:37,909 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-31 21:59:37,928 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_619e0115-cc0b-4371-addc-ab79ab466fc0/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Ended with exit code 0 [2024-10-31 21:59:37,929 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 21:59:37,929 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_619e0115-cc0b-4371-addc-ab79ab466fc0/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 21:59:37,931 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_619e0115-cc0b-4371-addc-ab79ab466fc0/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 21:59:37,933 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_619e0115-cc0b-4371-addc-ab79ab466fc0/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Waiting until timeout for monitored process [2024-10-31 21:59:37,935 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 [2024-10-31 21:59:37,951 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-31 21:59:37,951 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-31 21:59:37,951 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-31 21:59:37,951 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-31 21:59:37,951 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-31 21:59:37,952 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-31 21:59:37,952 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-31 21:59:37,954 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-31 21:59:37,973 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_619e0115-cc0b-4371-addc-ab79ab466fc0/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Ended with exit code 0 [2024-10-31 21:59:37,974 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 21:59:37,974 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_619e0115-cc0b-4371-addc-ab79ab466fc0/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 21:59:37,977 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_619e0115-cc0b-4371-addc-ab79ab466fc0/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 21:59:37,978 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_619e0115-cc0b-4371-addc-ab79ab466fc0/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Waiting until timeout for monitored process [2024-10-31 21:59:37,979 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 [2024-10-31 21:59:37,992 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-31 21:59:37,992 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-31 21:59:37,993 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-31 21:59:37,993 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-31 21:59:37,993 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-31 21:59:37,993 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-31 21:59:37,993 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-31 21:59:37,997 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-31 21:59:38,017 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_619e0115-cc0b-4371-addc-ab79ab466fc0/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Ended with exit code 0 [2024-10-31 21:59:38,017 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 21:59:38,018 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_619e0115-cc0b-4371-addc-ab79ab466fc0/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 21:59:38,020 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_619e0115-cc0b-4371-addc-ab79ab466fc0/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 21:59:38,021 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_619e0115-cc0b-4371-addc-ab79ab466fc0/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Waiting until timeout for monitored process [2024-10-31 21:59:38,023 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 [2024-10-31 21:59:38,039 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-31 21:59:38,039 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-31 21:59:38,039 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-31 21:59:38,040 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-31 21:59:38,048 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-10-31 21:59:38,048 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-10-31 21:59:38,063 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2024-10-31 21:59:38,101 INFO L443 ModelExtractionUtils]: Simplification made 12 calls to the SMT solver. [2024-10-31 21:59:38,101 INFO L444 ModelExtractionUtils]: 5 out of 19 variables were initially zero. Simplification set additionally 10 variables to zero. [2024-10-31 21:59:38,101 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 21:59:38,101 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_619e0115-cc0b-4371-addc-ab79ab466fc0/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 21:59:38,104 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_619e0115-cc0b-4371-addc-ab79ab466fc0/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 21:59:38,105 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_619e0115-cc0b-4371-addc-ab79ab466fc0/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Waiting until timeout for monitored process [2024-10-31 21:59:38,106 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2024-10-31 21:59:38,124 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2024-10-31 21:59:38,124 INFO L474 LassoAnalysis]: Proved termination. [2024-10-31 21:59:38,124 INFO L476 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select #length ULTIMATE.start_main_#t~malloc3#1.base)_2, ULTIMATE.start_main_~arr~0#1.offset, ULTIMATE.start_main_~j~0#1) = 2*v_rep(select #length ULTIMATE.start_main_#t~malloc3#1.base)_2 - 1*ULTIMATE.start_main_~arr~0#1.offset - 4*ULTIMATE.start_main_~j~0#1 Supporting invariants [] [2024-10-31 21:59:38,145 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_619e0115-cc0b-4371-addc-ab79ab466fc0/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Forceful destruction successful, exit code 0 [2024-10-31 21:59:38,158 INFO L156 tatePredicateManager]: 2 out of 3 supporting invariants were superfluous and have been removed [2024-10-31 21:59:38,165 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #length [2024-10-31 21:59:38,166 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#length,GLOBAL] [2024-10-31 21:59:38,166 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~arr~0!offset [2024-10-31 21:59:38,201 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 21:59:38,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 21:59:38,228 INFO L255 TraceCheckSpWp]: Trace formula consists of 42 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-10-31 21:59:38,229 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-31 21:59:38,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 21:59:38,284 WARN L253 TraceCheckSpWp]: Trace formula consists of 14 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-10-31 21:59:38,285 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-31 21:59:38,363 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 21:59:38,364 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.2 stem predicates 2 loop predicates [2024-10-31 21:59:38,364 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 15 states and 19 transitions. cyclomatic complexity: 6 Second operand has 5 states, 5 states have (on average 3.0) internal successors, (15), 5 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 21:59:38,438 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 15 states and 19 transitions. cyclomatic complexity: 6. Second operand has 5 states, 5 states have (on average 3.0) internal successors, (15), 5 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 21 states and 27 transitions. Complement of second has 7 states. [2024-10-31 21:59:38,439 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 2 stem states 2 non-accepting loop states 1 accepting loop states [2024-10-31 21:59:38,440 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5 states, 5 states have (on average 3.0) internal successors, (15), 5 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 21:59:38,440 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 19 transitions. [2024-10-31 21:59:38,440 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 19 transitions. Stem has 11 letters. Loop has 4 letters. [2024-10-31 21:59:38,441 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-10-31 21:59:38,441 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 19 transitions. Stem has 15 letters. Loop has 4 letters. [2024-10-31 21:59:38,441 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-10-31 21:59:38,441 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 19 transitions. Stem has 11 letters. Loop has 8 letters. [2024-10-31 21:59:38,441 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-10-31 21:59:38,441 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 21 states and 27 transitions. [2024-10-31 21:59:38,442 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2024-10-31 21:59:38,443 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 21 states to 20 states and 26 transitions. [2024-10-31 21:59:38,443 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 10 [2024-10-31 21:59:38,443 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 11 [2024-10-31 21:59:38,443 INFO L73 IsDeterministic]: Start isDeterministic. Operand 20 states and 26 transitions. [2024-10-31 21:59:38,444 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2024-10-31 21:59:38,444 INFO L218 hiAutomatonCegarLoop]: Abstraction has 20 states and 26 transitions. [2024-10-31 21:59:38,444 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20 states and 26 transitions. [2024-10-31 21:59:38,445 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20 to 18. [2024-10-31 21:59:38,445 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18 states, 18 states have (on average 1.3333333333333333) internal successors, (24), 17 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 21:59:38,446 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 24 transitions. [2024-10-31 21:59:38,446 INFO L240 hiAutomatonCegarLoop]: Abstraction has 18 states and 24 transitions. [2024-10-31 21:59:38,446 INFO L425 stractBuchiCegarLoop]: Abstraction has 18 states and 24 transitions. [2024-10-31 21:59:38,446 INFO L332 stractBuchiCegarLoop]: ======== Iteration 5 ============ [2024-10-31 21:59:38,446 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 18 states and 24 transitions. [2024-10-31 21:59:38,447 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2024-10-31 21:59:38,447 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-10-31 21:59:38,447 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-10-31 21:59:38,448 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-31 21:59:38,448 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2024-10-31 21:59:38,448 INFO L745 eck$LassoCheckResult]: Stem: 330#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 324#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet2#1, main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_#t~nondet4#1, main_#t~post5#1, main_#t~mem6#1, main_#t~mem7#1, main_#t~post8#1, main_#t~post9#1, main_~i~0#1, main_~j~0#1, main_~val~0#1, main_~length~0#1, main_~arr~0#1.base, main_~arr~0#1.offset;havoc main_~i~0#1;havoc main_~j~0#1;havoc main_~val~0#1;havoc main_#t~nondet2#1;main_~length~0#1 := main_#t~nondet2#1;havoc main_#t~nondet2#1; 325#L516 assume !(main_~length~0#1 < 1 || main_~length~0#1 % 4294967296 >= 536870911); 331#L516-2 call main_#t~malloc3#1.base, main_#t~malloc3#1.offset := #Ultimate.allocOnStack(4 * main_~length~0#1 % 4294967296);main_~arr~0#1.base, main_~arr~0#1.offset := main_#t~malloc3#1.base, main_#t~malloc3#1.offset; 326#L518 assume !(main_~arr~0#1.base == 0 && main_~arr~0#1.offset == 0);main_~i~0#1 := 0; 327#L519-3 assume !!(main_~i~0#1 < main_~length~0#1);havoc main_#t~nondet4#1;main_~val~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1; 328#L521 assume !(main_~val~0#1 < 0); 321#L521-2 call write~int#0(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 322#L519-2 main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1; 323#L519-3 assume !(main_~i~0#1 < main_~length~0#1); 329#L519-4 main_~j~0#1 := 0; 320#L526-3 assume !!(main_~j~0#1 < main_~length~0#1); 317#L527-3 [2024-10-31 21:59:38,448 INFO L747 eck$LassoCheckResult]: Loop: 317#L527-3 call main_#t~mem6#1 := read~int#0(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 316#L527-1 assume !!(main_#t~mem6#1 > 0);havoc main_#t~mem6#1;call main_#t~mem7#1 := read~int#0(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4);main_#t~post8#1 := main_#t~mem7#1;call write~int#0(main_#t~post8#1 - 1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4);havoc main_#t~mem7#1;havoc main_#t~post8#1; 317#L527-3 [2024-10-31 21:59:38,449 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 21:59:38,449 INFO L85 PathProgramCache]: Analyzing trace with hash 1720311820, now seen corresponding path program 1 times [2024-10-31 21:59:38,449 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 21:59:38,449 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1386008636] [2024-10-31 21:59:38,450 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 21:59:38,450 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 21:59:38,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 21:59:38,466 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-31 21:59:38,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 21:59:38,480 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-31 21:59:38,481 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 21:59:38,481 INFO L85 PathProgramCache]: Analyzing trace with hash 2502, now seen corresponding path program 1 times [2024-10-31 21:59:38,481 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 21:59:38,481 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1385212741] [2024-10-31 21:59:38,481 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 21:59:38,482 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 21:59:38,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 21:59:38,488 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-31 21:59:38,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 21:59:38,493 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-31 21:59:38,495 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 21:59:38,495 INFO L85 PathProgramCache]: Analyzing trace with hash -342748399, now seen corresponding path program 1 times [2024-10-31 21:59:38,495 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 21:59:38,496 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1432487365] [2024-10-31 21:59:38,497 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 21:59:38,497 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 21:59:38,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 21:59:38,529 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-31 21:59:38,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 21:59:38,545 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-31 21:59:38,735 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_619e0115-cc0b-4371-addc-ab79ab466fc0/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Forceful destruction successful, exit code 0 [2024-10-31 21:59:38,893 INFO L204 LassoAnalysis]: Preferences: [2024-10-31 21:59:38,893 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-10-31 21:59:38,893 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-10-31 21:59:38,893 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-10-31 21:59:38,893 INFO L128 ssoRankerPreferences]: Use exernal solver: false [2024-10-31 21:59:38,893 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 21:59:38,893 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-10-31 21:59:38,893 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-10-31 21:59:38,894 INFO L132 ssoRankerPreferences]: Filename of dumped script: count_down-alloca-1.i_Iteration5_Lasso [2024-10-31 21:59:38,894 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-10-31 21:59:38,894 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-10-31 21:59:38,896 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 21:59:39,055 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 21:59:39,058 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 21:59:39,060 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 21:59:39,063 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 21:59:39,066 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 21:59:39,072 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 21:59:39,075 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 21:59:39,077 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 21:59:39,080 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 21:59:39,083 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 21:59:39,086 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 21:59:39,089 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 21:59:39,091 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 21:59:39,094 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 21:59:39,096 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 21:59:39,330 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-10-31 21:59:39,330 INFO L451 LassoAnalysis]: Using template 'affine'. [2024-10-31 21:59:39,330 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 21:59:39,330 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_619e0115-cc0b-4371-addc-ab79ab466fc0/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 21:59:39,335 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_619e0115-cc0b-4371-addc-ab79ab466fc0/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 21:59:39,337 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_619e0115-cc0b-4371-addc-ab79ab466fc0/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Waiting until timeout for monitored process [2024-10-31 21:59:39,338 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 [2024-10-31 21:59:39,349 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-31 21:59:39,350 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-31 21:59:39,350 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-31 21:59:39,350 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-31 21:59:39,353 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-10-31 21:59:39,354 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-10-31 21:59:39,360 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-31 21:59:39,378 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_619e0115-cc0b-4371-addc-ab79ab466fc0/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Ended with exit code 0 [2024-10-31 21:59:39,379 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 21:59:39,379 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_619e0115-cc0b-4371-addc-ab79ab466fc0/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 21:59:39,381 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_619e0115-cc0b-4371-addc-ab79ab466fc0/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 21:59:39,382 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_619e0115-cc0b-4371-addc-ab79ab466fc0/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Waiting until timeout for monitored process [2024-10-31 21:59:39,384 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 [2024-10-31 21:59:39,398 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-31 21:59:39,399 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-31 21:59:39,399 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-31 21:59:39,400 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-31 21:59:39,403 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-10-31 21:59:39,404 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-10-31 21:59:39,410 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-31 21:59:39,428 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_619e0115-cc0b-4371-addc-ab79ab466fc0/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Forceful destruction successful, exit code 0 [2024-10-31 21:59:39,429 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 21:59:39,429 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_619e0115-cc0b-4371-addc-ab79ab466fc0/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 21:59:39,430 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_619e0115-cc0b-4371-addc-ab79ab466fc0/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 21:59:39,432 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_619e0115-cc0b-4371-addc-ab79ab466fc0/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Waiting until timeout for monitored process [2024-10-31 21:59:39,433 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-10-31 21:59:39,447 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-31 21:59:39,447 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-31 21:59:39,448 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-31 21:59:39,448 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-31 21:59:39,451 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-10-31 21:59:39,452 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-10-31 21:59:39,462 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2024-10-31 21:59:39,485 INFO L443 ModelExtractionUtils]: Simplification made 10 calls to the SMT solver. [2024-10-31 21:59:39,485 INFO L444 ModelExtractionUtils]: 1 out of 10 variables were initially zero. Simplification set additionally 7 variables to zero. [2024-10-31 21:59:39,486 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 21:59:39,486 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_619e0115-cc0b-4371-addc-ab79ab466fc0/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 21:59:39,488 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_619e0115-cc0b-4371-addc-ab79ab466fc0/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 21:59:39,489 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_619e0115-cc0b-4371-addc-ab79ab466fc0/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Waiting until timeout for monitored process [2024-10-31 21:59:39,490 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2024-10-31 21:59:39,509 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2024-10-31 21:59:39,509 INFO L474 LassoAnalysis]: Proved termination. [2024-10-31 21:59:39,509 INFO L476 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select (select #memory_int#0 ULTIMATE.start_main_~arr~0#1.base) 0)_2) = 1*v_rep(select (select #memory_int#0 ULTIMATE.start_main_~arr~0#1.base) 0)_2 Supporting invariants [] [2024-10-31 21:59:39,527 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_619e0115-cc0b-4371-addc-ab79ab466fc0/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Ended with exit code 0 [2024-10-31 21:59:39,545 INFO L156 tatePredicateManager]: 3 out of 4 supporting invariants were superfluous and have been removed [2024-10-31 21:59:39,547 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_int#0 [2024-10-31 21:59:39,547 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int#0,GLOBAL] [2024-10-31 21:59:39,548 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int#0,GLOBAL],[IdentifierExpression[~arr~0!base,]]] [2024-10-31 21:59:39,574 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 21:59:39,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 21:59:39,588 INFO L255 TraceCheckSpWp]: Trace formula consists of 43 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-10-31 21:59:39,589 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-31 21:59:39,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 21:59:39,666 INFO L255 TraceCheckSpWp]: Trace formula consists of 19 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-10-31 21:59:39,667 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-31 21:59:39,699 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 21:59:39,700 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.3 stem predicates 2 loop predicates [2024-10-31 21:59:39,700 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 18 states and 24 transitions. cyclomatic complexity: 9 Second operand has 5 states, 5 states have (on average 2.8) internal successors, (14), 5 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 21:59:39,774 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 18 states and 24 transitions. cyclomatic complexity: 9. Second operand has 5 states, 5 states have (on average 2.8) internal successors, (14), 5 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 27 states and 35 transitions. Complement of second has 9 states. [2024-10-31 21:59:39,774 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 6 states 3 stem states 2 non-accepting loop states 1 accepting loop states [2024-10-31 21:59:39,775 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5 states, 5 states have (on average 2.8) internal successors, (14), 5 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 21:59:39,775 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 17 transitions. [2024-10-31 21:59:39,776 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 17 transitions. Stem has 12 letters. Loop has 2 letters. [2024-10-31 21:59:39,777 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-10-31 21:59:39,777 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 17 transitions. Stem has 14 letters. Loop has 2 letters. [2024-10-31 21:59:39,777 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-10-31 21:59:39,777 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 17 transitions. Stem has 12 letters. Loop has 4 letters. [2024-10-31 21:59:39,778 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-10-31 21:59:39,779 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 27 states and 35 transitions. [2024-10-31 21:59:39,779 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2024-10-31 21:59:39,780 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 27 states to 22 states and 28 transitions. [2024-10-31 21:59:39,780 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 10 [2024-10-31 21:59:39,780 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 10 [2024-10-31 21:59:39,780 INFO L73 IsDeterministic]: Start isDeterministic. Operand 22 states and 28 transitions. [2024-10-31 21:59:39,780 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2024-10-31 21:59:39,780 INFO L218 hiAutomatonCegarLoop]: Abstraction has 22 states and 28 transitions. [2024-10-31 21:59:39,780 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22 states and 28 transitions. [2024-10-31 21:59:39,783 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22 to 21. [2024-10-31 21:59:39,784 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 21 states, 21 states have (on average 1.2857142857142858) internal successors, (27), 20 states have internal predecessors, (27), 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) [2024-10-31 21:59:39,785 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 27 transitions. [2024-10-31 21:59:39,786 INFO L240 hiAutomatonCegarLoop]: Abstraction has 21 states and 27 transitions. [2024-10-31 21:59:39,786 INFO L425 stractBuchiCegarLoop]: Abstraction has 21 states and 27 transitions. [2024-10-31 21:59:39,786 INFO L332 stractBuchiCegarLoop]: ======== Iteration 6 ============ [2024-10-31 21:59:39,786 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 21 states and 27 transitions. [2024-10-31 21:59:39,787 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2024-10-31 21:59:39,789 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-10-31 21:59:39,789 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-10-31 21:59:39,789 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-31 21:59:39,790 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2024-10-31 21:59:39,790 INFO L745 eck$LassoCheckResult]: Stem: 469#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 462#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet2#1, main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_#t~nondet4#1, main_#t~post5#1, main_#t~mem6#1, main_#t~mem7#1, main_#t~post8#1, main_#t~post9#1, main_~i~0#1, main_~j~0#1, main_~val~0#1, main_~length~0#1, main_~arr~0#1.base, main_~arr~0#1.offset;havoc main_~i~0#1;havoc main_~j~0#1;havoc main_~val~0#1;havoc main_#t~nondet2#1;main_~length~0#1 := main_#t~nondet2#1;havoc main_#t~nondet2#1; 463#L516 assume !(main_~length~0#1 < 1 || main_~length~0#1 % 4294967296 >= 536870911); 470#L516-2 call main_#t~malloc3#1.base, main_#t~malloc3#1.offset := #Ultimate.allocOnStack(4 * main_~length~0#1 % 4294967296);main_~arr~0#1.base, main_~arr~0#1.offset := main_#t~malloc3#1.base, main_#t~malloc3#1.offset; 464#L518 assume !(main_~arr~0#1.base == 0 && main_~arr~0#1.offset == 0);main_~i~0#1 := 0; 465#L519-3 assume !!(main_~i~0#1 < main_~length~0#1);havoc main_#t~nondet4#1;main_~val~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1; 466#L521 assume !(main_~val~0#1 < 0); 459#L521-2 call write~int#0(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 460#L519-2 main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1; 461#L519-3 assume !(main_~i~0#1 < main_~length~0#1); 467#L519-4 main_~j~0#1 := 0; 457#L526-3 assume !!(main_~j~0#1 < main_~length~0#1); 456#L527-3 call main_#t~mem6#1 := read~int#0(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 471#L527-1 assume !(main_#t~mem6#1 > 0);havoc main_#t~mem6#1; 451#L526-2 main_#t~post9#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post9#1;havoc main_#t~post9#1; 452#L526-3 assume !!(main_~j~0#1 < main_~length~0#1); 454#L527-3 [2024-10-31 21:59:39,790 INFO L747 eck$LassoCheckResult]: Loop: 454#L527-3 call main_#t~mem6#1 := read~int#0(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 453#L527-1 assume !!(main_#t~mem6#1 > 0);havoc main_#t~mem6#1;call main_#t~mem7#1 := read~int#0(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4);main_#t~post8#1 := main_#t~mem7#1;call write~int#0(main_#t~post8#1 - 1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4);havoc main_#t~mem7#1;havoc main_#t~post8#1; 454#L527-3 [2024-10-31 21:59:39,790 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 21:59:39,790 INFO L85 PathProgramCache]: Analyzing trace with hash 1331270241, now seen corresponding path program 2 times [2024-10-31 21:59:39,791 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 21:59:39,791 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [953551249] [2024-10-31 21:59:39,791 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 21:59:39,791 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 21:59:39,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 21:59:39,941 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 21:59:39,941 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 21:59:39,942 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [953551249] [2024-10-31 21:59:39,942 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [953551249] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-31 21:59:39,942 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2133960452] [2024-10-31 21:59:39,942 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-10-31 21:59:39,942 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-31 21:59:39,943 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_619e0115-cc0b-4371-addc-ab79ab466fc0/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 21:59:39,944 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_619e0115-cc0b-4371-addc-ab79ab466fc0/bin/uautomizer-verify-4GaUIPS5ZU/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-31 21:59:39,946 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_619e0115-cc0b-4371-addc-ab79ab466fc0/bin/uautomizer-verify-4GaUIPS5ZU/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Waiting until timeout for monitored process [2024-10-31 21:59:40,005 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-10-31 21:59:40,005 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-31 21:59:40,006 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-10-31 21:59:40,007 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-31 21:59:40,073 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 21:59:40,073 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-31 21:59:40,126 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 21:59:40,127 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2133960452] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-31 21:59:40,127 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-31 21:59:40,127 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 6] total 10 [2024-10-31 21:59:40,128 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1864727973] [2024-10-31 21:59:40,128 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-31 21:59:40,128 INFO L750 eck$LassoCheckResult]: stem already infeasible [2024-10-31 21:59:40,128 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 21:59:40,129 INFO L85 PathProgramCache]: Analyzing trace with hash 2502, now seen corresponding path program 2 times [2024-10-31 21:59:40,129 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 21:59:40,129 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2011231423] [2024-10-31 21:59:40,129 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 21:59:40,129 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 21:59:40,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 21:59:40,135 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-31 21:59:40,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 21:59:40,139 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-31 21:59:40,186 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 21:59:40,188 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-10-31 21:59:40,189 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=78, Unknown=0, NotChecked=0, Total=110 [2024-10-31 21:59:40,189 INFO L87 Difference]: Start difference. First operand 21 states and 27 transitions. cyclomatic complexity: 10 Second operand has 11 states, 10 states have (on average 3.2) internal successors, (32), 11 states have internal predecessors, (32), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 21:59:40,312 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-31 21:59:40,312 INFO L93 Difference]: Finished difference Result 45 states and 57 transitions. [2024-10-31 21:59:40,313 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 45 states and 57 transitions. [2024-10-31 21:59:40,314 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2024-10-31 21:59:40,314 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 45 states to 28 states and 35 transitions. [2024-10-31 21:59:40,314 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 10 [2024-10-31 21:59:40,317 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 10 [2024-10-31 21:59:40,318 INFO L73 IsDeterministic]: Start isDeterministic. Operand 28 states and 35 transitions. [2024-10-31 21:59:40,318 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2024-10-31 21:59:40,318 INFO L218 hiAutomatonCegarLoop]: Abstraction has 28 states and 35 transitions. [2024-10-31 21:59:40,318 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 28 states and 35 transitions. [2024-10-31 21:59:40,319 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 28 to 25. [2024-10-31 21:59:40,320 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 25 states, 25 states have (on average 1.24) internal successors, (31), 24 states have internal predecessors, (31), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 21:59:40,320 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 25 states and 31 transitions. [2024-10-31 21:59:40,322 INFO L240 hiAutomatonCegarLoop]: Abstraction has 25 states and 31 transitions. [2024-10-31 21:59:40,323 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-10-31 21:59:40,323 INFO L425 stractBuchiCegarLoop]: Abstraction has 25 states and 31 transitions. [2024-10-31 21:59:40,323 INFO L332 stractBuchiCegarLoop]: ======== Iteration 7 ============ [2024-10-31 21:59:40,323 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 25 states and 31 transitions. [2024-10-31 21:59:40,324 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2024-10-31 21:59:40,324 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-10-31 21:59:40,324 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-10-31 21:59:40,325 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-31 21:59:40,326 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2024-10-31 21:59:40,326 INFO L745 eck$LassoCheckResult]: Stem: 646#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 639#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet2#1, main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_#t~nondet4#1, main_#t~post5#1, main_#t~mem6#1, main_#t~mem7#1, main_#t~post8#1, main_#t~post9#1, main_~i~0#1, main_~j~0#1, main_~val~0#1, main_~length~0#1, main_~arr~0#1.base, main_~arr~0#1.offset;havoc main_~i~0#1;havoc main_~j~0#1;havoc main_~val~0#1;havoc main_#t~nondet2#1;main_~length~0#1 := main_#t~nondet2#1;havoc main_#t~nondet2#1; 640#L516 assume !(main_~length~0#1 < 1 || main_~length~0#1 % 4294967296 >= 536870911); 647#L516-2 call main_#t~malloc3#1.base, main_#t~malloc3#1.offset := #Ultimate.allocOnStack(4 * main_~length~0#1 % 4294967296);main_~arr~0#1.base, main_~arr~0#1.offset := main_#t~malloc3#1.base, main_#t~malloc3#1.offset; 641#L518 assume !(main_~arr~0#1.base == 0 && main_~arr~0#1.offset == 0);main_~i~0#1 := 0; 642#L519-3 assume !!(main_~i~0#1 < main_~length~0#1);havoc main_#t~nondet4#1;main_~val~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1; 643#L521 assume !(main_~val~0#1 < 0); 651#L521-2 call write~int#0(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 637#L519-2 main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1; 638#L519-3 assume !!(main_~i~0#1 < main_~length~0#1);havoc main_#t~nondet4#1;main_~val~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1; 644#L521 assume !(main_~val~0#1 < 0); 635#L521-2 call write~int#0(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 636#L519-2 main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1; 650#L519-3 assume !(main_~i~0#1 < main_~length~0#1); 648#L519-4 main_~j~0#1 := 0; 633#L526-3 assume !!(main_~j~0#1 < main_~length~0#1); 632#L527-3 call main_#t~mem6#1 := read~int#0(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 649#L527-1 assume !(main_#t~mem6#1 > 0);havoc main_#t~mem6#1; 627#L526-2 main_#t~post9#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post9#1;havoc main_#t~post9#1; 628#L526-3 assume !!(main_~j~0#1 < main_~length~0#1); 630#L527-3 [2024-10-31 21:59:40,326 INFO L747 eck$LassoCheckResult]: Loop: 630#L527-3 call main_#t~mem6#1 := read~int#0(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 629#L527-1 assume !!(main_#t~mem6#1 > 0);havoc main_#t~mem6#1;call main_#t~mem7#1 := read~int#0(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4);main_#t~post8#1 := main_#t~mem7#1;call write~int#0(main_#t~post8#1 - 1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4);havoc main_#t~mem7#1;havoc main_#t~post8#1; 630#L527-3 [2024-10-31 21:59:40,327 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 21:59:40,327 INFO L85 PathProgramCache]: Analyzing trace with hash 34477914, now seen corresponding path program 3 times [2024-10-31 21:59:40,327 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 21:59:40,327 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [126373393] [2024-10-31 21:59:40,327 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 21:59:40,327 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 21:59:40,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 21:59:40,350 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-31 21:59:40,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 21:59:40,365 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-31 21:59:40,366 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 21:59:40,366 INFO L85 PathProgramCache]: Analyzing trace with hash 2502, now seen corresponding path program 3 times [2024-10-31 21:59:40,366 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 21:59:40,366 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2103379436] [2024-10-31 21:59:40,366 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 21:59:40,366 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 21:59:40,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 21:59:40,371 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-31 21:59:40,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 21:59:40,375 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-31 21:59:40,375 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 21:59:40,376 INFO L85 PathProgramCache]: Analyzing trace with hash -1226461473, now seen corresponding path program 1 times [2024-10-31 21:59:40,376 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 21:59:40,376 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1178580233] [2024-10-31 21:59:40,376 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 21:59:40,376 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 21:59:40,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 21:59:40,394 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-31 21:59:40,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 21:59:40,433 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-31 21:59:40,472 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_619e0115-cc0b-4371-addc-ab79ab466fc0/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Ended with exit code 0 [2024-10-31 21:59:40,821 INFO L204 LassoAnalysis]: Preferences: [2024-10-31 21:59:40,822 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-10-31 21:59:40,822 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-10-31 21:59:40,822 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-10-31 21:59:40,822 INFO L128 ssoRankerPreferences]: Use exernal solver: false [2024-10-31 21:59:40,822 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 21:59:40,822 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-10-31 21:59:40,823 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-10-31 21:59:40,823 INFO L132 ssoRankerPreferences]: Filename of dumped script: count_down-alloca-1.i_Iteration7_Lasso [2024-10-31 21:59:40,823 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-10-31 21:59:40,823 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-10-31 21:59:40,825 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 21:59:40,828 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 21:59:41,007 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 21:59:41,010 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 21:59:41,012 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 21:59:41,014 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 21:59:41,017 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 21:59:41,023 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 21:59:41,026 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 21:59:41,028 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 21:59:41,031 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 21:59:41,035 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 21:59:41,037 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 21:59:41,039 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 21:59:41,042 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 21:59:41,045 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 21:59:41,292 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-10-31 21:59:41,292 INFO L451 LassoAnalysis]: Using template 'affine'. [2024-10-31 21:59:41,292 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 21:59:41,293 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_619e0115-cc0b-4371-addc-ab79ab466fc0/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 21:59:41,295 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_619e0115-cc0b-4371-addc-ab79ab466fc0/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 21:59:41,297 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_619e0115-cc0b-4371-addc-ab79ab466fc0/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Waiting until timeout for monitored process [2024-10-31 21:59:41,298 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 [2024-10-31 21:59:41,311 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-31 21:59:41,311 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-31 21:59:41,312 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-31 21:59:41,312 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-31 21:59:41,312 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-31 21:59:41,312 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-31 21:59:41,312 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-31 21:59:41,314 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-31 21:59:41,329 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_619e0115-cc0b-4371-addc-ab79ab466fc0/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Ended with exit code 0 [2024-10-31 21:59:41,330 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 21:59:41,330 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_619e0115-cc0b-4371-addc-ab79ab466fc0/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 21:59:41,332 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_619e0115-cc0b-4371-addc-ab79ab466fc0/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 21:59:41,333 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_619e0115-cc0b-4371-addc-ab79ab466fc0/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Waiting until timeout for monitored process [2024-10-31 21:59:41,334 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 [2024-10-31 21:59:41,348 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-31 21:59:41,349 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-31 21:59:41,349 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-31 21:59:41,349 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-31 21:59:41,352 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-10-31 21:59:41,353 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-10-31 21:59:41,365 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2024-10-31 21:59:41,380 INFO L443 ModelExtractionUtils]: Simplification made 7 calls to the SMT solver. [2024-10-31 21:59:41,381 INFO L444 ModelExtractionUtils]: 1 out of 10 variables were initially zero. Simplification set additionally 7 variables to zero. [2024-10-31 21:59:41,381 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 21:59:41,381 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_619e0115-cc0b-4371-addc-ab79ab466fc0/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 21:59:41,383 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_619e0115-cc0b-4371-addc-ab79ab466fc0/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 21:59:41,385 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_619e0115-cc0b-4371-addc-ab79ab466fc0/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Waiting until timeout for monitored process [2024-10-31 21:59:41,388 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2024-10-31 21:59:41,403 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2024-10-31 21:59:41,404 INFO L474 LassoAnalysis]: Proved termination. [2024-10-31 21:59:41,404 INFO L476 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select (select #memory_int#0 ULTIMATE.start_main_~arr~0#1.base) 4)_1) = 1*v_rep(select (select #memory_int#0 ULTIMATE.start_main_~arr~0#1.base) 4)_1 Supporting invariants [] [2024-10-31 21:59:41,423 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_619e0115-cc0b-4371-addc-ab79ab466fc0/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Forceful destruction successful, exit code 0 [2024-10-31 21:59:41,444 INFO L156 tatePredicateManager]: 5 out of 6 supporting invariants were superfluous and have been removed [2024-10-31 21:59:41,447 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_int#0 [2024-10-31 21:59:41,447 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int#0,GLOBAL] [2024-10-31 21:59:41,447 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int#0,GLOBAL],[IdentifierExpression[~arr~0!base,]]] [2024-10-31 21:59:41,476 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 21:59:41,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 21:59:41,505 INFO L255 TraceCheckSpWp]: Trace formula consists of 65 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-10-31 21:59:41,506 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-31 21:59:41,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 21:59:41,648 INFO L255 TraceCheckSpWp]: Trace formula consists of 19 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-10-31 21:59:41,649 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-31 21:59:41,681 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 21:59:41,681 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.4 stem predicates 2 loop predicates [2024-10-31 21:59:41,682 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 25 states and 31 transitions. cyclomatic complexity: 10 Second operand has 6 states, 6 states have (on average 3.0) internal successors, (18), 6 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) [2024-10-31 21:59:41,734 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 25 states and 31 transitions. cyclomatic complexity: 10. Second operand has 6 states, 6 states have (on average 3.0) internal successors, (18), 6 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) Result 26 states and 33 transitions. Complement of second has 5 states. [2024-10-31 21:59:41,735 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 3 stem states 0 non-accepting loop states 1 accepting loop states [2024-10-31 21:59:41,741 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6 states, 6 states have (on average 3.0) internal successors, (18), 6 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) [2024-10-31 21:59:41,741 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 13 transitions. [2024-10-31 21:59:41,741 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 13 transitions. Stem has 20 letters. Loop has 2 letters. [2024-10-31 21:59:41,741 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-10-31 21:59:41,742 INFO L682 stractBuchiCegarLoop]: Bad chosen interpolant automaton: word not accepted [2024-10-31 21:59:41,813 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 21:59:41,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 21:59:41,865 INFO L255 TraceCheckSpWp]: Trace formula consists of 65 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-10-31 21:59:41,866 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-31 21:59:42,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 21:59:42,034 INFO L255 TraceCheckSpWp]: Trace formula consists of 19 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-10-31 21:59:42,034 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-31 21:59:42,066 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 21:59:42,066 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and with honda bouncer for loop.4 stem predicates 2 loop predicates [2024-10-31 21:59:42,067 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 25 states and 31 transitions. cyclomatic complexity: 10 Second operand has 6 states, 6 states have (on average 3.0) internal successors, (18), 6 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) [2024-10-31 21:59:42,108 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 25 states and 31 transitions. cyclomatic complexity: 10. Second operand has 6 states, 6 states have (on average 3.0) internal successors, (18), 6 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) Result 26 states and 33 transitions. Complement of second has 5 states. [2024-10-31 21:59:42,108 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 3 stem states 0 non-accepting loop states 1 accepting loop states [2024-10-31 21:59:42,109 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6 states, 6 states have (on average 3.0) internal successors, (18), 6 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) [2024-10-31 21:59:42,111 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 13 transitions. [2024-10-31 21:59:42,111 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 13 transitions. Stem has 20 letters. Loop has 2 letters. [2024-10-31 21:59:42,111 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-10-31 21:59:42,111 INFO L682 stractBuchiCegarLoop]: Bad chosen interpolant automaton: word not accepted [2024-10-31 21:59:42,140 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 21:59:42,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 21:59:42,165 INFO L255 TraceCheckSpWp]: Trace formula consists of 65 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-10-31 21:59:42,166 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-31 21:59:42,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 21:59:42,304 INFO L255 TraceCheckSpWp]: Trace formula consists of 19 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-10-31 21:59:42,305 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-31 21:59:42,336 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 21:59:42,336 INFO L141 lantAutomatonBouncer]: Defining Buchi interpolant automaton with scrooge nondeterminism in stemwith honda bouncer for stem and without honda bouncer for loop.4 stem predicates 2 loop predicates [2024-10-31 21:59:42,337 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 25 states and 31 transitions. cyclomatic complexity: 10 Second operand has 6 states, 6 states have (on average 3.0) internal successors, (18), 6 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) [2024-10-31 21:59:42,452 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 25 states and 31 transitions. cyclomatic complexity: 10. Second operand has 6 states, 6 states have (on average 3.0) internal successors, (18), 6 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) Result 40 states and 50 transitions. Complement of second has 11 states. [2024-10-31 21:59:42,453 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 8 states 4 stem states 2 non-accepting loop states 2 accepting loop states [2024-10-31 21:59:42,453 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6 states, 6 states have (on average 3.0) internal successors, (18), 6 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) [2024-10-31 21:59:42,454 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 33 transitions. [2024-10-31 21:59:42,454 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 8 states and 33 transitions. Stem has 20 letters. Loop has 2 letters. [2024-10-31 21:59:42,454 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-10-31 21:59:42,454 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 8 states and 33 transitions. Stem has 22 letters. Loop has 2 letters. [2024-10-31 21:59:42,455 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-10-31 21:59:42,455 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 8 states and 33 transitions. Stem has 20 letters. Loop has 4 letters. [2024-10-31 21:59:42,455 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-10-31 21:59:42,455 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 40 states and 50 transitions. [2024-10-31 21:59:42,456 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2024-10-31 21:59:42,456 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 40 states to 35 states and 43 transitions. [2024-10-31 21:59:42,457 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 11 [2024-10-31 21:59:42,457 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 12 [2024-10-31 21:59:42,457 INFO L73 IsDeterministic]: Start isDeterministic. Operand 35 states and 43 transitions. [2024-10-31 21:59:42,457 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2024-10-31 21:59:42,457 INFO L218 hiAutomatonCegarLoop]: Abstraction has 35 states and 43 transitions. [2024-10-31 21:59:42,457 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35 states and 43 transitions. [2024-10-31 21:59:42,459 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35 to 30. [2024-10-31 21:59:42,459 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 30 states, 30 states have (on average 1.2333333333333334) internal successors, (37), 29 states have internal predecessors, (37), 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) [2024-10-31 21:59:42,459 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 30 states and 37 transitions. [2024-10-31 21:59:42,460 INFO L240 hiAutomatonCegarLoop]: Abstraction has 30 states and 37 transitions. [2024-10-31 21:59:42,460 INFO L425 stractBuchiCegarLoop]: Abstraction has 30 states and 37 transitions. [2024-10-31 21:59:42,460 INFO L332 stractBuchiCegarLoop]: ======== Iteration 8 ============ [2024-10-31 21:59:42,460 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 30 states and 37 transitions. [2024-10-31 21:59:42,460 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2024-10-31 21:59:42,460 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-10-31 21:59:42,461 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-10-31 21:59:42,461 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1] [2024-10-31 21:59:42,461 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2024-10-31 21:59:42,462 INFO L745 eck$LassoCheckResult]: Stem: 1049#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 1041#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet2#1, main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_#t~nondet4#1, main_#t~post5#1, main_#t~mem6#1, main_#t~mem7#1, main_#t~post8#1, main_#t~post9#1, main_~i~0#1, main_~j~0#1, main_~val~0#1, main_~length~0#1, main_~arr~0#1.base, main_~arr~0#1.offset;havoc main_~i~0#1;havoc main_~j~0#1;havoc main_~val~0#1;havoc main_#t~nondet2#1;main_~length~0#1 := main_#t~nondet2#1;havoc main_#t~nondet2#1; 1042#L516 assume !(main_~length~0#1 < 1 || main_~length~0#1 % 4294967296 >= 536870911); 1050#L516-2 call main_#t~malloc3#1.base, main_#t~malloc3#1.offset := #Ultimate.allocOnStack(4 * main_~length~0#1 % 4294967296);main_~arr~0#1.base, main_~arr~0#1.offset := main_#t~malloc3#1.base, main_#t~malloc3#1.offset; 1043#L518 assume !(main_~arr~0#1.base == 0 && main_~arr~0#1.offset == 0);main_~i~0#1 := 0; 1044#L519-3 assume !!(main_~i~0#1 < main_~length~0#1);havoc main_#t~nondet4#1;main_~val~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1; 1045#L521 assume !(main_~val~0#1 < 0); 1038#L521-2 call write~int#0(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 1039#L519-2 main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1; 1040#L519-3 assume !!(main_~i~0#1 < main_~length~0#1);havoc main_#t~nondet4#1;main_~val~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1; 1046#L521 assume !(main_~val~0#1 < 0); 1054#L521-2 call write~int#0(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 1053#L519-2 main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1; 1052#L519-3 assume !(main_~i~0#1 < main_~length~0#1); 1051#L519-4 main_~j~0#1 := 0; 1035#L526-3 assume !!(main_~j~0#1 < main_~length~0#1); 1036#L527-3 call main_#t~mem6#1 := read~int#0(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 1056#L527-1 assume !(main_#t~mem6#1 > 0);havoc main_#t~mem6#1; 1055#L526-2 main_#t~post9#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post9#1;havoc main_#t~post9#1; 1037#L526-3 assume !!(main_~j~0#1 < main_~length~0#1); 1034#L527-3 call main_#t~mem6#1 := read~int#0(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 1058#L527-1 assume !(main_#t~mem6#1 > 0);havoc main_#t~mem6#1; 1029#L526-2 main_#t~post9#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post9#1;havoc main_#t~post9#1; 1030#L526-3 assume !!(main_~j~0#1 < main_~length~0#1); 1032#L527-3 [2024-10-31 21:59:42,462 INFO L747 eck$LassoCheckResult]: Loop: 1032#L527-3 call main_#t~mem6#1 := read~int#0(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 1031#L527-1 assume !!(main_#t~mem6#1 > 0);havoc main_#t~mem6#1;call main_#t~mem7#1 := read~int#0(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4);main_#t~post8#1 := main_#t~mem7#1;call write~int#0(main_#t~post8#1 - 1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4);havoc main_#t~mem7#1;havoc main_#t~post8#1; 1032#L527-3 [2024-10-31 21:59:42,462 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 21:59:42,480 INFO L85 PathProgramCache]: Analyzing trace with hash -1808436561, now seen corresponding path program 4 times [2024-10-31 21:59:42,480 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 21:59:42,480 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1111938856] [2024-10-31 21:59:42,480 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 21:59:42,480 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 21:59:42,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 21:59:42,520 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_619e0115-cc0b-4371-addc-ab79ab466fc0/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Ended with exit code 0 [2024-10-31 21:59:42,669 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 11 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 21:59:42,670 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 21:59:42,670 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1111938856] [2024-10-31 21:59:42,670 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1111938856] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-31 21:59:42,670 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2105693285] [2024-10-31 21:59:42,670 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-10-31 21:59:42,670 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-31 21:59:42,671 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_619e0115-cc0b-4371-addc-ab79ab466fc0/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 21:59:42,673 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_619e0115-cc0b-4371-addc-ab79ab466fc0/bin/uautomizer-verify-4GaUIPS5ZU/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-31 21:59:42,674 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_619e0115-cc0b-4371-addc-ab79ab466fc0/bin/uautomizer-verify-4GaUIPS5ZU/z3 -smt2 -in SMTLIB2_COMPLIANT=true (23)] Waiting until timeout for monitored process [2024-10-31 21:59:42,744 INFO L227 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-10-31 21:59:42,744 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-31 21:59:42,745 INFO L255 TraceCheckSpWp]: Trace formula consists of 57 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-10-31 21:59:42,747 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-31 21:59:42,921 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 6 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 21:59:42,921 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-31 21:59:43,017 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 6 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 21:59:43,018 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2105693285] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-31 21:59:43,018 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-31 21:59:43,018 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8, 8] total 13 [2024-10-31 21:59:43,019 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [664194603] [2024-10-31 21:59:43,019 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-31 21:59:43,019 INFO L750 eck$LassoCheckResult]: stem already infeasible [2024-10-31 21:59:43,020 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 21:59:43,021 INFO L85 PathProgramCache]: Analyzing trace with hash 2502, now seen corresponding path program 4 times [2024-10-31 21:59:43,021 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 21:59:43,021 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [525412393] [2024-10-31 21:59:43,022 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 21:59:43,022 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 21:59:43,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 21:59:43,029 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-31 21:59:43,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 21:59:43,034 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-31 21:59:43,082 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 21:59:43,082 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-10-31 21:59:43,083 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=49, Invalid=133, Unknown=0, NotChecked=0, Total=182 [2024-10-31 21:59:43,083 INFO L87 Difference]: Start difference. First operand 30 states and 37 transitions. cyclomatic complexity: 12 Second operand has 14 states, 13 states have (on average 3.3846153846153846) internal successors, (44), 14 states have internal predecessors, (44), 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) [2024-10-31 21:59:43,205 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-31 21:59:43,206 INFO L93 Difference]: Finished difference Result 49 states and 60 transitions. [2024-10-31 21:59:43,206 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 49 states and 60 transitions. [2024-10-31 21:59:43,207 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2024-10-31 21:59:43,207 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 49 states to 37 states and 46 transitions. [2024-10-31 21:59:43,208 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 10 [2024-10-31 21:59:43,208 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 10 [2024-10-31 21:59:43,208 INFO L73 IsDeterministic]: Start isDeterministic. Operand 37 states and 46 transitions. [2024-10-31 21:59:43,208 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2024-10-31 21:59:43,208 INFO L218 hiAutomatonCegarLoop]: Abstraction has 37 states and 46 transitions. [2024-10-31 21:59:43,209 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 37 states and 46 transitions. [2024-10-31 21:59:43,210 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 37 to 34. [2024-10-31 21:59:43,211 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 34 states, 34 states have (on average 1.2352941176470589) internal successors, (42), 33 states have internal predecessors, (42), 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) [2024-10-31 21:59:43,211 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 34 states and 42 transitions. [2024-10-31 21:59:43,212 INFO L240 hiAutomatonCegarLoop]: Abstraction has 34 states and 42 transitions. [2024-10-31 21:59:43,212 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-10-31 21:59:43,213 INFO L425 stractBuchiCegarLoop]: Abstraction has 34 states and 42 transitions. [2024-10-31 21:59:43,213 INFO L332 stractBuchiCegarLoop]: ======== Iteration 9 ============ [2024-10-31 21:59:43,213 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 34 states and 42 transitions. [2024-10-31 21:59:43,214 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2024-10-31 21:59:43,214 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-10-31 21:59:43,214 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-10-31 21:59:43,214 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [3, 3, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1] [2024-10-31 21:59:43,214 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2024-10-31 21:59:43,215 INFO L745 eck$LassoCheckResult]: Stem: 1283#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 1274#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet2#1, main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_#t~nondet4#1, main_#t~post5#1, main_#t~mem6#1, main_#t~mem7#1, main_#t~post8#1, main_#t~post9#1, main_~i~0#1, main_~j~0#1, main_~val~0#1, main_~length~0#1, main_~arr~0#1.base, main_~arr~0#1.offset;havoc main_~i~0#1;havoc main_~j~0#1;havoc main_~val~0#1;havoc main_#t~nondet2#1;main_~length~0#1 := main_#t~nondet2#1;havoc main_#t~nondet2#1; 1275#L516 assume !(main_~length~0#1 < 1 || main_~length~0#1 % 4294967296 >= 536870911); 1284#L516-2 call main_#t~malloc3#1.base, main_#t~malloc3#1.offset := #Ultimate.allocOnStack(4 * main_~length~0#1 % 4294967296);main_~arr~0#1.base, main_~arr~0#1.offset := main_#t~malloc3#1.base, main_#t~malloc3#1.offset; 1276#L518 assume !(main_~arr~0#1.base == 0 && main_~arr~0#1.offset == 0);main_~i~0#1 := 0; 1277#L519-3 assume !!(main_~i~0#1 < main_~length~0#1);havoc main_#t~nondet4#1;main_~val~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1; 1278#L521 assume !(main_~val~0#1 < 0); 1296#L521-2 call write~int#0(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 1295#L519-2 main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1; 1279#L519-3 assume !!(main_~i~0#1 < main_~length~0#1);havoc main_#t~nondet4#1;main_~val~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1; 1280#L521 assume !(main_~val~0#1 < 0); 1271#L521-2 call write~int#0(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 1272#L519-2 main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1; 1273#L519-3 assume !!(main_~i~0#1 < main_~length~0#1);havoc main_#t~nondet4#1;main_~val~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1; 1287#L521 assume !(main_~val~0#1 < 0); 1294#L521-2 call write~int#0(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 1288#L519-2 main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1; 1286#L519-3 assume !(main_~i~0#1 < main_~length~0#1); 1285#L519-4 main_~j~0#1 := 0; 1269#L526-3 assume !!(main_~j~0#1 < main_~length~0#1); 1270#L527-3 call main_#t~mem6#1 := read~int#0(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 1291#L527-1 assume !(main_#t~mem6#1 > 0);havoc main_#t~mem6#1; 1263#L526-2 main_#t~post9#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post9#1;havoc main_#t~post9#1; 1264#L526-3 assume !!(main_~j~0#1 < main_~length~0#1); 1268#L527-3 call main_#t~mem6#1 := read~int#0(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 1292#L527-1 assume !(main_#t~mem6#1 > 0);havoc main_#t~mem6#1; 1290#L526-2 main_#t~post9#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post9#1;havoc main_#t~post9#1; 1289#L526-3 assume !!(main_~j~0#1 < main_~length~0#1); 1266#L527-3 [2024-10-31 21:59:43,215 INFO L747 eck$LassoCheckResult]: Loop: 1266#L527-3 call main_#t~mem6#1 := read~int#0(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 1265#L527-1 assume !!(main_#t~mem6#1 > 0);havoc main_#t~mem6#1;call main_#t~mem7#1 := read~int#0(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4);main_#t~post8#1 := main_#t~mem7#1;call write~int#0(main_#t~post8#1 - 1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4);havoc main_#t~mem7#1;havoc main_#t~post8#1; 1266#L527-3 [2024-10-31 21:59:43,215 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 21:59:43,215 INFO L85 PathProgramCache]: Analyzing trace with hash -759828824, now seen corresponding path program 5 times [2024-10-31 21:59:43,215 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 21:59:43,216 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1708668036] [2024-10-31 21:59:43,216 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 21:59:43,216 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 21:59:43,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 21:59:43,246 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-31 21:59:43,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 21:59:43,273 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-31 21:59:43,277 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 21:59:43,277 INFO L85 PathProgramCache]: Analyzing trace with hash 2502, now seen corresponding path program 5 times [2024-10-31 21:59:43,278 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 21:59:43,279 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2124727466] [2024-10-31 21:59:43,279 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 21:59:43,279 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 21:59:43,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 21:59:43,285 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-31 21:59:43,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 21:59:43,289 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-31 21:59:43,290 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 21:59:43,290 INFO L85 PathProgramCache]: Analyzing trace with hash -51058003, now seen corresponding path program 2 times [2024-10-31 21:59:43,290 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 21:59:43,290 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1319640277] [2024-10-31 21:59:43,290 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 21:59:43,291 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 21:59:43,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 21:59:43,323 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-31 21:59:43,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 21:59:43,365 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-31 21:59:44,117 INFO L204 LassoAnalysis]: Preferences: [2024-10-31 21:59:44,117 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-10-31 21:59:44,117 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-10-31 21:59:44,117 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-10-31 21:59:44,117 INFO L128 ssoRankerPreferences]: Use exernal solver: false [2024-10-31 21:59:44,117 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 21:59:44,118 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-10-31 21:59:44,118 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-10-31 21:59:44,118 INFO L132 ssoRankerPreferences]: Filename of dumped script: count_down-alloca-1.i_Iteration9_Lasso [2024-10-31 21:59:44,118 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-10-31 21:59:44,118 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-10-31 21:59:44,120 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 21:59:44,122 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 21:59:44,126 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 21:59:44,131 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 21:59:44,134 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 21:59:44,136 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 21:59:44,138 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 21:59:44,141 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 21:59:44,143 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 21:59:44,150 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 21:59:44,153 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 21:59:44,155 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 21:59:44,157 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 21:59:44,160 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 21:59:44,376 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 21:59:44,675 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-10-31 21:59:44,675 INFO L451 LassoAnalysis]: Using template 'affine'. [2024-10-31 21:59:44,675 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 21:59:44,675 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_619e0115-cc0b-4371-addc-ab79ab466fc0/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 21:59:44,677 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_619e0115-cc0b-4371-addc-ab79ab466fc0/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 21:59:44,679 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_619e0115-cc0b-4371-addc-ab79ab466fc0/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Waiting until timeout for monitored process [2024-10-31 21:59:44,680 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 [2024-10-31 21:59:44,692 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-31 21:59:44,692 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-31 21:59:44,692 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-31 21:59:44,692 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-31 21:59:44,692 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-31 21:59:44,693 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-31 21:59:44,693 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-31 21:59:44,694 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-31 21:59:44,705 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_619e0115-cc0b-4371-addc-ab79ab466fc0/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Ended with exit code 0 [2024-10-31 21:59:44,705 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 21:59:44,706 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_619e0115-cc0b-4371-addc-ab79ab466fc0/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 21:59:44,706 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_619e0115-cc0b-4371-addc-ab79ab466fc0/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 21:59:44,707 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_619e0115-cc0b-4371-addc-ab79ab466fc0/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Waiting until timeout for monitored process [2024-10-31 21:59:44,708 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-10-31 21:59:44,719 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-31 21:59:44,719 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-31 21:59:44,719 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-31 21:59:44,719 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-31 21:59:44,719 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-31 21:59:44,720 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-31 21:59:44,720 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-31 21:59:44,721 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-31 21:59:44,732 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_619e0115-cc0b-4371-addc-ab79ab466fc0/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Forceful destruction successful, exit code 0 [2024-10-31 21:59:44,732 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 21:59:44,732 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_619e0115-cc0b-4371-addc-ab79ab466fc0/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 21:59:44,733 INFO L229 MonitoredProcess]: Starting monitored process 26 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_619e0115-cc0b-4371-addc-ab79ab466fc0/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 21:59:44,734 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_619e0115-cc0b-4371-addc-ab79ab466fc0/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Waiting until timeout for monitored process [2024-10-31 21:59:44,735 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 [2024-10-31 21:59:44,746 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-31 21:59:44,746 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-31 21:59:44,746 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-31 21:59:44,746 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-31 21:59:44,746 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-31 21:59:44,747 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-31 21:59:44,747 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-31 21:59:44,748 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-31 21:59:44,760 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_619e0115-cc0b-4371-addc-ab79ab466fc0/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Forceful destruction successful, exit code 0 [2024-10-31 21:59:44,761 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 21:59:44,761 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_619e0115-cc0b-4371-addc-ab79ab466fc0/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 21:59:44,762 INFO L229 MonitoredProcess]: Starting monitored process 27 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_619e0115-cc0b-4371-addc-ab79ab466fc0/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 21:59:44,763 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_619e0115-cc0b-4371-addc-ab79ab466fc0/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Waiting until timeout for monitored process [2024-10-31 21:59:44,764 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 [2024-10-31 21:59:44,775 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-31 21:59:44,775 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-31 21:59:44,775 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-31 21:59:44,775 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-31 21:59:44,775 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-31 21:59:44,776 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-31 21:59:44,776 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-31 21:59:44,777 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-31 21:59:44,788 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_619e0115-cc0b-4371-addc-ab79ab466fc0/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Forceful destruction successful, exit code 0 [2024-10-31 21:59:44,789 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 21:59:44,789 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_619e0115-cc0b-4371-addc-ab79ab466fc0/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 21:59:44,790 INFO L229 MonitoredProcess]: Starting monitored process 28 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_619e0115-cc0b-4371-addc-ab79ab466fc0/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 21:59:44,791 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_619e0115-cc0b-4371-addc-ab79ab466fc0/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Waiting until timeout for monitored process [2024-10-31 21:59:44,792 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 [2024-10-31 21:59:44,803 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-31 21:59:44,803 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-31 21:59:44,804 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-31 21:59:44,804 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-31 21:59:44,804 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-31 21:59:44,804 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-31 21:59:44,804 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-31 21:59:44,806 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-31 21:59:44,823 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_619e0115-cc0b-4371-addc-ab79ab466fc0/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Forceful destruction successful, exit code 0 [2024-10-31 21:59:44,823 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 21:59:44,823 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_619e0115-cc0b-4371-addc-ab79ab466fc0/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 21:59:44,824 INFO L229 MonitoredProcess]: Starting monitored process 29 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_619e0115-cc0b-4371-addc-ab79ab466fc0/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 21:59:44,825 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_619e0115-cc0b-4371-addc-ab79ab466fc0/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Waiting until timeout for monitored process [2024-10-31 21:59:44,826 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 [2024-10-31 21:59:44,839 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-31 21:59:44,839 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-31 21:59:44,839 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-31 21:59:44,839 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-31 21:59:44,839 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-31 21:59:44,840 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-31 21:59:44,840 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-31 21:59:44,842 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-31 21:59:44,856 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_619e0115-cc0b-4371-addc-ab79ab466fc0/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Ended with exit code 0 [2024-10-31 21:59:44,857 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 21:59:44,857 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_619e0115-cc0b-4371-addc-ab79ab466fc0/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 21:59:44,858 INFO L229 MonitoredProcess]: Starting monitored process 30 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_619e0115-cc0b-4371-addc-ab79ab466fc0/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 21:59:44,859 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_619e0115-cc0b-4371-addc-ab79ab466fc0/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Waiting until timeout for monitored process [2024-10-31 21:59:44,859 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 [2024-10-31 21:59:44,870 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-31 21:59:44,870 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-31 21:59:44,870 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-31 21:59:44,870 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-31 21:59:44,872 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-10-31 21:59:44,872 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-10-31 21:59:44,876 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-31 21:59:44,888 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_619e0115-cc0b-4371-addc-ab79ab466fc0/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Ended with exit code 0 [2024-10-31 21:59:44,888 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 21:59:44,888 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_619e0115-cc0b-4371-addc-ab79ab466fc0/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 21:59:44,890 INFO L229 MonitoredProcess]: Starting monitored process 31 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_619e0115-cc0b-4371-addc-ab79ab466fc0/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 21:59:44,892 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_619e0115-cc0b-4371-addc-ab79ab466fc0/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Waiting until timeout for monitored process [2024-10-31 21:59:44,892 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 [2024-10-31 21:59:44,903 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-31 21:59:44,903 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-31 21:59:44,903 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-31 21:59:44,903 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-31 21:59:44,905 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-10-31 21:59:44,905 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-10-31 21:59:44,909 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-31 21:59:44,928 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_619e0115-cc0b-4371-addc-ab79ab466fc0/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Ended with exit code 0 [2024-10-31 21:59:44,928 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 21:59:44,928 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_619e0115-cc0b-4371-addc-ab79ab466fc0/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 21:59:44,929 INFO L229 MonitoredProcess]: Starting monitored process 32 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_619e0115-cc0b-4371-addc-ab79ab466fc0/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 21:59:44,930 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_619e0115-cc0b-4371-addc-ab79ab466fc0/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Waiting until timeout for monitored process [2024-10-31 21:59:44,930 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 [2024-10-31 21:59:44,941 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-31 21:59:44,942 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-31 21:59:44,942 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-31 21:59:44,942 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-31 21:59:44,942 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-31 21:59:44,942 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-31 21:59:44,942 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-31 21:59:44,944 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-31 21:59:44,956 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_619e0115-cc0b-4371-addc-ab79ab466fc0/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Ended with exit code 0 [2024-10-31 21:59:44,956 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 21:59:44,956 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_619e0115-cc0b-4371-addc-ab79ab466fc0/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 21:59:44,957 INFO L229 MonitoredProcess]: Starting monitored process 33 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_619e0115-cc0b-4371-addc-ab79ab466fc0/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 21:59:44,958 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_619e0115-cc0b-4371-addc-ab79ab466fc0/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Waiting until timeout for monitored process [2024-10-31 21:59:44,959 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 [2024-10-31 21:59:44,969 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-31 21:59:44,970 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-31 21:59:44,970 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-31 21:59:44,970 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-31 21:59:44,970 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-31 21:59:44,970 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-31 21:59:44,970 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-31 21:59:44,974 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-31 21:59:44,992 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_619e0115-cc0b-4371-addc-ab79ab466fc0/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Forceful destruction successful, exit code 0 [2024-10-31 21:59:44,992 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 21:59:44,992 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_619e0115-cc0b-4371-addc-ab79ab466fc0/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 21:59:44,994 INFO L229 MonitoredProcess]: Starting monitored process 34 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_619e0115-cc0b-4371-addc-ab79ab466fc0/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 21:59:44,995 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_619e0115-cc0b-4371-addc-ab79ab466fc0/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Waiting until timeout for monitored process [2024-10-31 21:59:44,996 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 [2024-10-31 21:59:45,010 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-31 21:59:45,010 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-31 21:59:45,010 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-31 21:59:45,010 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-31 21:59:45,010 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-31 21:59:45,011 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-31 21:59:45,011 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-31 21:59:45,016 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-31 21:59:45,033 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_619e0115-cc0b-4371-addc-ab79ab466fc0/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Forceful destruction successful, exit code 0 [2024-10-31 21:59:45,034 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 21:59:45,034 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_619e0115-cc0b-4371-addc-ab79ab466fc0/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 21:59:45,035 INFO L229 MonitoredProcess]: Starting monitored process 35 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_619e0115-cc0b-4371-addc-ab79ab466fc0/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 21:59:45,036 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_619e0115-cc0b-4371-addc-ab79ab466fc0/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (35)] Waiting until timeout for monitored process [2024-10-31 21:59:45,037 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 [2024-10-31 21:59:45,047 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-31 21:59:45,048 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-31 21:59:45,048 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-31 21:59:45,048 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-31 21:59:45,048 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-31 21:59:45,048 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-31 21:59:45,049 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-31 21:59:45,052 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-31 21:59:45,064 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_619e0115-cc0b-4371-addc-ab79ab466fc0/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (35)] Forceful destruction successful, exit code 0 [2024-10-31 21:59:45,065 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 21:59:45,065 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_619e0115-cc0b-4371-addc-ab79ab466fc0/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 21:59:45,066 INFO L229 MonitoredProcess]: Starting monitored process 36 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_619e0115-cc0b-4371-addc-ab79ab466fc0/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 21:59:45,067 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_619e0115-cc0b-4371-addc-ab79ab466fc0/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (36)] Waiting until timeout for monitored process [2024-10-31 21:59:45,067 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 [2024-10-31 21:59:45,078 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-31 21:59:45,078 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-31 21:59:45,078 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-31 21:59:45,078 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-31 21:59:45,078 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-31 21:59:45,079 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-31 21:59:45,079 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-31 21:59:45,080 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-31 21:59:45,091 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_619e0115-cc0b-4371-addc-ab79ab466fc0/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (36)] Ended with exit code 0 [2024-10-31 21:59:45,091 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 21:59:45,092 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_619e0115-cc0b-4371-addc-ab79ab466fc0/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 21:59:45,093 INFO L229 MonitoredProcess]: Starting monitored process 37 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_619e0115-cc0b-4371-addc-ab79ab466fc0/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 21:59:45,094 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_619e0115-cc0b-4371-addc-ab79ab466fc0/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (37)] Waiting until timeout for monitored process [2024-10-31 21:59:45,094 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 [2024-10-31 21:59:45,105 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-31 21:59:45,105 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-31 21:59:45,105 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-31 21:59:45,105 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-31 21:59:45,108 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-10-31 21:59:45,108 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-10-31 21:59:45,114 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-31 21:59:45,125 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_619e0115-cc0b-4371-addc-ab79ab466fc0/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (37)] Ended with exit code 0 [2024-10-31 21:59:45,125 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 21:59:45,125 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_619e0115-cc0b-4371-addc-ab79ab466fc0/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 21:59:45,126 INFO L229 MonitoredProcess]: Starting monitored process 38 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_619e0115-cc0b-4371-addc-ab79ab466fc0/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 21:59:45,129 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_619e0115-cc0b-4371-addc-ab79ab466fc0/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (38)] Waiting until timeout for monitored process [2024-10-31 21:59:45,130 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 [2024-10-31 21:59:45,144 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-31 21:59:45,144 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-31 21:59:45,144 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-31 21:59:45,144 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-31 21:59:45,146 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-10-31 21:59:45,146 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-10-31 21:59:45,150 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-31 21:59:45,168 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_619e0115-cc0b-4371-addc-ab79ab466fc0/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (38)] Forceful destruction successful, exit code 0 [2024-10-31 21:59:45,168 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 21:59:45,168 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_619e0115-cc0b-4371-addc-ab79ab466fc0/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 21:59:45,169 INFO L229 MonitoredProcess]: Starting monitored process 39 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_619e0115-cc0b-4371-addc-ab79ab466fc0/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 21:59:45,170 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_619e0115-cc0b-4371-addc-ab79ab466fc0/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (39)] Waiting until timeout for monitored process [2024-10-31 21:59:45,170 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 [2024-10-31 21:59:45,181 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-31 21:59:45,182 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-31 21:59:45,182 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-31 21:59:45,182 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-31 21:59:45,183 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-10-31 21:59:45,183 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-10-31 21:59:45,187 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-31 21:59:45,199 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_619e0115-cc0b-4371-addc-ab79ab466fc0/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (39)] Ended with exit code 0 [2024-10-31 21:59:45,199 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 21:59:45,199 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_619e0115-cc0b-4371-addc-ab79ab466fc0/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 21:59:45,200 INFO L229 MonitoredProcess]: Starting monitored process 40 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_619e0115-cc0b-4371-addc-ab79ab466fc0/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 21:59:45,202 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_619e0115-cc0b-4371-addc-ab79ab466fc0/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (40)] Waiting until timeout for monitored process [2024-10-31 21:59:45,202 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 [2024-10-31 21:59:45,213 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-31 21:59:45,213 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-31 21:59:45,213 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-31 21:59:45,213 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-31 21:59:45,216 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-10-31 21:59:45,216 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-10-31 21:59:45,222 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-31 21:59:45,233 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_619e0115-cc0b-4371-addc-ab79ab466fc0/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (40)] Forceful destruction successful, exit code 0 [2024-10-31 21:59:45,234 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 21:59:45,234 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_619e0115-cc0b-4371-addc-ab79ab466fc0/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 21:59:45,235 INFO L229 MonitoredProcess]: Starting monitored process 41 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_619e0115-cc0b-4371-addc-ab79ab466fc0/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 21:59:45,236 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_619e0115-cc0b-4371-addc-ab79ab466fc0/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (41)] Waiting until timeout for monitored process [2024-10-31 21:59:45,237 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 [2024-10-31 21:59:45,248 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-31 21:59:45,248 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-31 21:59:45,248 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-31 21:59:45,248 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-31 21:59:45,252 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-10-31 21:59:45,252 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-10-31 21:59:45,260 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2024-10-31 21:59:45,286 INFO L443 ModelExtractionUtils]: Simplification made 10 calls to the SMT solver. [2024-10-31 21:59:45,286 INFO L444 ModelExtractionUtils]: 1 out of 10 variables were initially zero. Simplification set additionally 7 variables to zero. [2024-10-31 21:59:45,286 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 21:59:45,286 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_619e0115-cc0b-4371-addc-ab79ab466fc0/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 21:59:45,288 INFO L229 MonitoredProcess]: Starting monitored process 42 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_619e0115-cc0b-4371-addc-ab79ab466fc0/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 21:59:45,291 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_619e0115-cc0b-4371-addc-ab79ab466fc0/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (42)] Waiting until timeout for monitored process [2024-10-31 21:59:45,292 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2024-10-31 21:59:45,308 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2024-10-31 21:59:45,308 INFO L474 LassoAnalysis]: Proved termination. [2024-10-31 21:59:45,309 INFO L476 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select (select #memory_int#0 ULTIMATE.start_main_~arr~0#1.base) (+ ULTIMATE.start_main_~arr~0#1.offset 8))_1) = 1*v_rep(select (select #memory_int#0 ULTIMATE.start_main_~arr~0#1.base) (+ ULTIMATE.start_main_~arr~0#1.offset 8))_1 Supporting invariants [] [2024-10-31 21:59:45,328 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_619e0115-cc0b-4371-addc-ab79ab466fc0/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (41)] Forceful destruction successful, exit code 0 [2024-10-31 21:59:45,346 INFO L156 tatePredicateManager]: 6 out of 7 supporting invariants were superfluous and have been removed [2024-10-31 21:59:45,348 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_int#0 [2024-10-31 21:59:45,349 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int#0,GLOBAL] [2024-10-31 21:59:45,349 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int#0,GLOBAL],[IdentifierExpression[~arr~0!base,]]] [2024-10-31 21:59:45,375 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 21:59:45,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 21:59:45,400 INFO L255 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-10-31 21:59:45,401 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-31 21:59:45,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 21:59:45,517 INFO L255 TraceCheckSpWp]: Trace formula consists of 19 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-10-31 21:59:45,518 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-31 21:59:45,546 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 21:59:45,547 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.4 stem predicates 2 loop predicates [2024-10-31 21:59:45,547 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 34 states and 42 transitions. cyclomatic complexity: 13 Second operand has 6 states, 6 states have (on average 3.6666666666666665) internal successors, (22), 6 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 21:59:45,571 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 34 states and 42 transitions. cyclomatic complexity: 13. Second operand has 6 states, 6 states have (on average 3.6666666666666665) internal successors, (22), 6 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 35 states and 44 transitions. Complement of second has 4 states. [2024-10-31 21:59:45,573 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 2 stem states 0 non-accepting loop states 1 accepting loop states [2024-10-31 21:59:45,573 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6 states, 6 states have (on average 3.6666666666666665) internal successors, (22), 6 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 21:59:45,574 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 13 transitions. [2024-10-31 21:59:45,574 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 13 transitions. Stem has 28 letters. Loop has 2 letters. [2024-10-31 21:59:45,574 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-10-31 21:59:45,574 INFO L682 stractBuchiCegarLoop]: Bad chosen interpolant automaton: word not accepted [2024-10-31 21:59:45,597 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 21:59:45,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 21:59:45,622 INFO L255 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-10-31 21:59:45,623 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-31 21:59:45,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 21:59:45,724 INFO L255 TraceCheckSpWp]: Trace formula consists of 19 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-10-31 21:59:45,724 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-31 21:59:45,751 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 21:59:45,751 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and with honda bouncer for loop.4 stem predicates 2 loop predicates [2024-10-31 21:59:45,752 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 34 states and 42 transitions. cyclomatic complexity: 13 Second operand has 6 states, 6 states have (on average 3.6666666666666665) internal successors, (22), 6 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 21:59:45,777 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 34 states and 42 transitions. cyclomatic complexity: 13. Second operand has 6 states, 6 states have (on average 3.6666666666666665) internal successors, (22), 6 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 35 states and 44 transitions. Complement of second has 4 states. [2024-10-31 21:59:45,778 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 2 stem states 0 non-accepting loop states 1 accepting loop states [2024-10-31 21:59:45,779 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6 states, 6 states have (on average 3.6666666666666665) internal successors, (22), 6 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 21:59:45,779 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 13 transitions. [2024-10-31 21:59:45,779 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 13 transitions. Stem has 28 letters. Loop has 2 letters. [2024-10-31 21:59:45,779 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-10-31 21:59:45,780 INFO L682 stractBuchiCegarLoop]: Bad chosen interpolant automaton: word not accepted [2024-10-31 21:59:45,805 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 21:59:45,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 21:59:45,828 INFO L255 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-10-31 21:59:45,829 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-31 21:59:45,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 21:59:45,920 INFO L255 TraceCheckSpWp]: Trace formula consists of 19 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-10-31 21:59:45,921 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-31 21:59:45,946 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 21:59:45,946 INFO L141 lantAutomatonBouncer]: Defining Buchi interpolant automaton with scrooge nondeterminism in stemwith honda bouncer for stem and without honda bouncer for loop.4 stem predicates 2 loop predicates [2024-10-31 21:59:45,946 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 34 states and 42 transitions. cyclomatic complexity: 13 Second operand has 6 states, 6 states have (on average 3.6666666666666665) internal successors, (22), 6 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 21:59:46,057 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 34 states and 42 transitions. cyclomatic complexity: 13. Second operand has 6 states, 6 states have (on average 3.6666666666666665) internal successors, (22), 6 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 50 states and 63 transitions. Complement of second has 12 states. [2024-10-31 21:59:46,058 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 8 states 4 stem states 2 non-accepting loop states 2 accepting loop states [2024-10-31 21:59:46,058 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6 states, 6 states have (on average 3.6666666666666665) internal successors, (22), 6 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 21:59:46,059 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 39 transitions. [2024-10-31 21:59:46,059 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 8 states and 39 transitions. Stem has 28 letters. Loop has 2 letters. [2024-10-31 21:59:46,059 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-10-31 21:59:46,059 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 8 states and 39 transitions. Stem has 30 letters. Loop has 2 letters. [2024-10-31 21:59:46,059 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-10-31 21:59:46,059 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 8 states and 39 transitions. Stem has 28 letters. Loop has 4 letters. [2024-10-31 21:59:46,060 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-10-31 21:59:46,060 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 50 states and 63 transitions. [2024-10-31 21:59:46,060 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2024-10-31 21:59:46,061 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 50 states to 45 states and 56 transitions. [2024-10-31 21:59:46,061 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 11 [2024-10-31 21:59:46,061 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 12 [2024-10-31 21:59:46,061 INFO L73 IsDeterministic]: Start isDeterministic. Operand 45 states and 56 transitions. [2024-10-31 21:59:46,061 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2024-10-31 21:59:46,061 INFO L218 hiAutomatonCegarLoop]: Abstraction has 45 states and 56 transitions. [2024-10-31 21:59:46,062 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 45 states and 56 transitions. [2024-10-31 21:59:46,064 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 45 to 39. [2024-10-31 21:59:46,064 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 39 states, 39 states have (on average 1.2307692307692308) internal successors, (48), 38 states have internal predecessors, (48), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 21:59:46,064 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 39 states and 48 transitions. [2024-10-31 21:59:46,064 INFO L240 hiAutomatonCegarLoop]: Abstraction has 39 states and 48 transitions. [2024-10-31 21:59:46,065 INFO L425 stractBuchiCegarLoop]: Abstraction has 39 states and 48 transitions. [2024-10-31 21:59:46,065 INFO L332 stractBuchiCegarLoop]: ======== Iteration 10 ============ [2024-10-31 21:59:46,065 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 39 states and 48 transitions. [2024-10-31 21:59:46,065 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2024-10-31 21:59:46,066 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-10-31 21:59:46,066 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-10-31 21:59:46,066 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [4, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1] [2024-10-31 21:59:46,067 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2024-10-31 21:59:46,067 INFO L745 eck$LassoCheckResult]: Stem: 1792#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 1785#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet2#1, main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_#t~nondet4#1, main_#t~post5#1, main_#t~mem6#1, main_#t~mem7#1, main_#t~post8#1, main_#t~post9#1, main_~i~0#1, main_~j~0#1, main_~val~0#1, main_~length~0#1, main_~arr~0#1.base, main_~arr~0#1.offset;havoc main_~i~0#1;havoc main_~j~0#1;havoc main_~val~0#1;havoc main_#t~nondet2#1;main_~length~0#1 := main_#t~nondet2#1;havoc main_#t~nondet2#1; 1786#L516 assume !(main_~length~0#1 < 1 || main_~length~0#1 % 4294967296 >= 536870911); 1793#L516-2 call main_#t~malloc3#1.base, main_#t~malloc3#1.offset := #Ultimate.allocOnStack(4 * main_~length~0#1 % 4294967296);main_~arr~0#1.base, main_~arr~0#1.offset := main_#t~malloc3#1.base, main_#t~malloc3#1.offset; 1787#L518 assume !(main_~arr~0#1.base == 0 && main_~arr~0#1.offset == 0);main_~i~0#1 := 0; 1788#L519-3 assume !!(main_~i~0#1 < main_~length~0#1);havoc main_#t~nondet4#1;main_~val~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1; 1789#L521 assume !(main_~val~0#1 < 0); 1803#L521-2 call write~int#0(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 1783#L519-2 main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1; 1784#L519-3 assume !!(main_~i~0#1 < main_~length~0#1);havoc main_#t~nondet4#1;main_~val~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1; 1790#L521 assume !(main_~val~0#1 < 0); 1781#L521-2 call write~int#0(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 1782#L519-2 main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1; 1799#L519-3 assume !!(main_~i~0#1 < main_~length~0#1);havoc main_#t~nondet4#1;main_~val~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1; 1796#L521 assume !(main_~val~0#1 < 0); 1798#L521-2 call write~int#0(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 1797#L519-2 main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1; 1795#L519-3 assume !(main_~i~0#1 < main_~length~0#1); 1794#L519-4 main_~j~0#1 := 0; 1778#L526-3 assume !!(main_~j~0#1 < main_~length~0#1); 1779#L527-3 call main_#t~mem6#1 := read~int#0(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 1805#L527-1 assume !(main_#t~mem6#1 > 0);havoc main_#t~mem6#1; 1806#L526-2 main_#t~post9#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post9#1;havoc main_#t~post9#1; 1780#L526-3 assume !!(main_~j~0#1 < main_~length~0#1); 1777#L527-3 call main_#t~mem6#1 := read~int#0(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 1791#L527-1 assume !(main_#t~mem6#1 > 0);havoc main_#t~mem6#1; 1772#L526-2 main_#t~post9#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post9#1;havoc main_#t~post9#1; 1773#L526-3 assume !!(main_~j~0#1 < main_~length~0#1); 1808#L527-3 call main_#t~mem6#1 := read~int#0(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 1804#L527-1 assume !(main_#t~mem6#1 > 0);havoc main_#t~mem6#1; 1802#L526-2 main_#t~post9#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post9#1;havoc main_#t~post9#1; 1800#L526-3 assume !!(main_~j~0#1 < main_~length~0#1); 1775#L527-3 [2024-10-31 21:59:46,067 INFO L747 eck$LassoCheckResult]: Loop: 1775#L527-3 call main_#t~mem6#1 := read~int#0(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 1774#L527-1 assume !!(main_#t~mem6#1 > 0);havoc main_#t~mem6#1;call main_#t~mem7#1 := read~int#0(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4);main_#t~post8#1 := main_#t~mem7#1;call write~int#0(main_#t~post8#1 - 1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4);havoc main_#t~mem7#1;havoc main_#t~post8#1; 1775#L527-3 [2024-10-31 21:59:46,067 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 21:59:46,068 INFO L85 PathProgramCache]: Analyzing trace with hash -1822100739, now seen corresponding path program 6 times [2024-10-31 21:59:46,068 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 21:59:46,068 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [472398908] [2024-10-31 21:59:46,068 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 21:59:46,069 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 21:59:46,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 21:59:46,227 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 6 proven. 24 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 21:59:46,228 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 21:59:46,228 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [472398908] [2024-10-31 21:59:46,228 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [472398908] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-31 21:59:46,228 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [930940894] [2024-10-31 21:59:46,228 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2024-10-31 21:59:46,229 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-31 21:59:46,229 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_619e0115-cc0b-4371-addc-ab79ab466fc0/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 21:59:46,231 INFO L229 MonitoredProcess]: Starting monitored process 43 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_619e0115-cc0b-4371-addc-ab79ab466fc0/bin/uautomizer-verify-4GaUIPS5ZU/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-31 21:59:46,232 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_619e0115-cc0b-4371-addc-ab79ab466fc0/bin/uautomizer-verify-4GaUIPS5ZU/z3 -smt2 -in SMTLIB2_COMPLIANT=true (43)] Waiting until timeout for monitored process [2024-10-31 21:59:46,317 INFO L227 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 4 check-sat command(s) [2024-10-31 21:59:46,318 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-31 21:59:46,319 INFO L255 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-10-31 21:59:46,320 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-31 21:59:46,478 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_619e0115-cc0b-4371-addc-ab79ab466fc0/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (42)] Ended with exit code 0 [2024-10-31 21:59:46,522 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 15 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 21:59:46,523 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-31 21:59:46,636 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 15 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 21:59:46,636 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [930940894] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-31 21:59:46,636 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-31 21:59:46,636 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10, 10] total 16 [2024-10-31 21:59:46,636 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [319841211] [2024-10-31 21:59:46,637 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-31 21:59:46,637 INFO L750 eck$LassoCheckResult]: stem already infeasible [2024-10-31 21:59:46,637 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 21:59:46,637 INFO L85 PathProgramCache]: Analyzing trace with hash 2502, now seen corresponding path program 6 times [2024-10-31 21:59:46,638 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 21:59:46,638 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [452323091] [2024-10-31 21:59:46,638 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 21:59:46,638 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 21:59:46,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 21:59:46,643 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-31 21:59:46,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 21:59:46,648 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-31 21:59:46,690 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 21:59:46,690 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2024-10-31 21:59:46,691 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=70, Invalid=202, Unknown=0, NotChecked=0, Total=272 [2024-10-31 21:59:46,691 INFO L87 Difference]: Start difference. First operand 39 states and 48 transitions. cyclomatic complexity: 15 Second operand has 17 states, 16 states have (on average 3.5) internal successors, (56), 17 states have internal predecessors, (56), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 21:59:46,818 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-31 21:59:46,818 INFO L93 Difference]: Finished difference Result 63 states and 77 transitions. [2024-10-31 21:59:46,818 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 63 states and 77 transitions. [2024-10-31 21:59:46,819 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2024-10-31 21:59:46,820 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 63 states to 46 states and 57 transitions. [2024-10-31 21:59:46,820 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 10 [2024-10-31 21:59:46,820 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 10 [2024-10-31 21:59:46,820 INFO L73 IsDeterministic]: Start isDeterministic. Operand 46 states and 57 transitions. [2024-10-31 21:59:46,820 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2024-10-31 21:59:46,820 INFO L218 hiAutomatonCegarLoop]: Abstraction has 46 states and 57 transitions. [2024-10-31 21:59:46,820 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 46 states and 57 transitions. [2024-10-31 21:59:46,825 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 46 to 43. [2024-10-31 21:59:46,826 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 43 states, 43 states have (on average 1.2325581395348837) internal successors, (53), 42 states have internal predecessors, (53), 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) [2024-10-31 21:59:46,826 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 43 states and 53 transitions. [2024-10-31 21:59:46,827 INFO L240 hiAutomatonCegarLoop]: Abstraction has 43 states and 53 transitions. [2024-10-31 21:59:46,827 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-10-31 21:59:46,827 INFO L425 stractBuchiCegarLoop]: Abstraction has 43 states and 53 transitions. [2024-10-31 21:59:46,828 INFO L332 stractBuchiCegarLoop]: ======== Iteration 11 ============ [2024-10-31 21:59:46,828 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 43 states and 53 transitions. [2024-10-31 21:59:46,828 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2024-10-31 21:59:46,828 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-10-31 21:59:46,828 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-10-31 21:59:46,829 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [4, 4, 4, 4, 4, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1] [2024-10-31 21:59:46,829 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2024-10-31 21:59:46,829 INFO L745 eck$LassoCheckResult]: Stem: 2100#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 2092#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet2#1, main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_#t~nondet4#1, main_#t~post5#1, main_#t~mem6#1, main_#t~mem7#1, main_#t~post8#1, main_#t~post9#1, main_~i~0#1, main_~j~0#1, main_~val~0#1, main_~length~0#1, main_~arr~0#1.base, main_~arr~0#1.offset;havoc main_~i~0#1;havoc main_~j~0#1;havoc main_~val~0#1;havoc main_#t~nondet2#1;main_~length~0#1 := main_#t~nondet2#1;havoc main_#t~nondet2#1; 2093#L516 assume !(main_~length~0#1 < 1 || main_~length~0#1 % 4294967296 >= 536870911); 2101#L516-2 call main_#t~malloc3#1.base, main_#t~malloc3#1.offset := #Ultimate.allocOnStack(4 * main_~length~0#1 % 4294967296);main_~arr~0#1.base, main_~arr~0#1.offset := main_#t~malloc3#1.base, main_#t~malloc3#1.offset; 2094#L518 assume !(main_~arr~0#1.base == 0 && main_~arr~0#1.offset == 0);main_~i~0#1 := 0; 2095#L519-3 assume !!(main_~i~0#1 < main_~length~0#1);havoc main_#t~nondet4#1;main_~val~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1; 2096#L521 assume !(main_~val~0#1 < 0); 2122#L521-2 call write~int#0(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 2121#L519-2 main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1; 2097#L519-3 assume !!(main_~i~0#1 < main_~length~0#1);havoc main_#t~nondet4#1;main_~val~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1; 2098#L521 assume !(main_~val~0#1 < 0); 2089#L521-2 call write~int#0(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 2090#L519-2 main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1; 2091#L519-3 assume !!(main_~i~0#1 < main_~length~0#1);havoc main_#t~nondet4#1;main_~val~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1; 2120#L521 assume !(main_~val~0#1 < 0); 2119#L521-2 call write~int#0(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 2118#L519-2 main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1; 2117#L519-3 assume !!(main_~i~0#1 < main_~length~0#1);havoc main_#t~nondet4#1;main_~val~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1; 2104#L521 assume !(main_~val~0#1 < 0); 2116#L521-2 call write~int#0(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 2105#L519-2 main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1; 2103#L519-3 assume !(main_~i~0#1 < main_~length~0#1); 2102#L519-4 main_~j~0#1 := 0; 2086#L526-3 assume !!(main_~j~0#1 < main_~length~0#1); 2087#L527-3 call main_#t~mem6#1 := read~int#0(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 2110#L527-1 assume !(main_#t~mem6#1 > 0);havoc main_#t~mem6#1; 2111#L526-2 main_#t~post9#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post9#1;havoc main_#t~post9#1; 2088#L526-3 assume !!(main_~j~0#1 < main_~length~0#1); 2085#L527-3 call main_#t~mem6#1 := read~int#0(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 2099#L527-1 assume !(main_#t~mem6#1 > 0);havoc main_#t~mem6#1; 2080#L526-2 main_#t~post9#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post9#1;havoc main_#t~post9#1; 2081#L526-3 assume !!(main_~j~0#1 < main_~length~0#1); 2114#L527-3 call main_#t~mem6#1 := read~int#0(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 2109#L527-1 assume !(main_#t~mem6#1 > 0);havoc main_#t~mem6#1; 2108#L526-2 main_#t~post9#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post9#1;havoc main_#t~post9#1; 2106#L526-3 assume !!(main_~j~0#1 < main_~length~0#1); 2083#L527-3 [2024-10-31 21:59:46,829 INFO L747 eck$LassoCheckResult]: Loop: 2083#L527-3 call main_#t~mem6#1 := read~int#0(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 2082#L527-1 assume !!(main_#t~mem6#1 > 0);havoc main_#t~mem6#1;call main_#t~mem7#1 := read~int#0(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4);main_#t~post8#1 := main_#t~mem7#1;call write~int#0(main_#t~post8#1 - 1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4);havoc main_#t~mem7#1;havoc main_#t~post8#1; 2083#L527-3 [2024-10-31 21:59:46,829 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 21:59:46,830 INFO L85 PathProgramCache]: Analyzing trace with hash 1774872054, now seen corresponding path program 7 times [2024-10-31 21:59:46,830 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 21:59:46,830 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1743905278] [2024-10-31 21:59:46,830 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 21:59:46,830 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 21:59:46,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 21:59:46,852 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-31 21:59:46,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 21:59:46,868 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-31 21:59:46,868 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 21:59:46,869 INFO L85 PathProgramCache]: Analyzing trace with hash 2502, now seen corresponding path program 7 times [2024-10-31 21:59:46,869 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 21:59:46,869 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1433558759] [2024-10-31 21:59:46,869 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 21:59:46,869 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 21:59:46,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 21:59:46,873 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-31 21:59:46,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 21:59:46,876 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-31 21:59:46,876 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 21:59:46,876 INFO L85 PathProgramCache]: Analyzing trace with hash 550028923, now seen corresponding path program 3 times [2024-10-31 21:59:46,878 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 21:59:46,878 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [497629575] [2024-10-31 21:59:46,878 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 21:59:46,878 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 21:59:46,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 21:59:46,900 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-31 21:59:46,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 21:59:46,931 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-31 21:59:47,802 INFO L204 LassoAnalysis]: Preferences: [2024-10-31 21:59:47,802 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-10-31 21:59:47,802 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-10-31 21:59:47,802 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-10-31 21:59:47,802 INFO L128 ssoRankerPreferences]: Use exernal solver: false [2024-10-31 21:59:47,803 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 21:59:47,803 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-10-31 21:59:47,803 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-10-31 21:59:47,803 INFO L132 ssoRankerPreferences]: Filename of dumped script: count_down-alloca-1.i_Iteration11_Lasso [2024-10-31 21:59:47,803 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-10-31 21:59:47,803 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-10-31 21:59:47,805 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 21:59:47,807 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 21:59:47,809 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 21:59:47,810 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 21:59:47,812 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 21:59:47,815 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 21:59:47,817 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 21:59:47,821 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 21:59:47,823 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 21:59:47,827 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 21:59:47,829 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 21:59:47,831 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 21:59:47,832 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 21:59:47,836 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 21:59:47,841 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 21:59:48,373 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-10-31 21:59:48,373 INFO L451 LassoAnalysis]: Using template 'affine'. [2024-10-31 21:59:48,374 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 21:59:48,374 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_619e0115-cc0b-4371-addc-ab79ab466fc0/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 21:59:48,377 INFO L229 MonitoredProcess]: Starting monitored process 44 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_619e0115-cc0b-4371-addc-ab79ab466fc0/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 21:59:48,378 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_619e0115-cc0b-4371-addc-ab79ab466fc0/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (44)] Waiting until timeout for monitored process [2024-10-31 21:59:48,379 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 [2024-10-31 21:59:48,393 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-31 21:59:48,393 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-31 21:59:48,393 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-31 21:59:48,393 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-31 21:59:48,393 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-31 21:59:48,394 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-31 21:59:48,394 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-31 21:59:48,395 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-31 21:59:48,406 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_619e0115-cc0b-4371-addc-ab79ab466fc0/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (44)] Forceful destruction successful, exit code 0 [2024-10-31 21:59:48,407 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 21:59:48,407 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_619e0115-cc0b-4371-addc-ab79ab466fc0/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 21:59:48,408 INFO L229 MonitoredProcess]: Starting monitored process 45 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_619e0115-cc0b-4371-addc-ab79ab466fc0/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 21:59:48,409 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_619e0115-cc0b-4371-addc-ab79ab466fc0/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (45)] Waiting until timeout for monitored process [2024-10-31 21:59:48,410 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 [2024-10-31 21:59:48,421 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-31 21:59:48,421 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-31 21:59:48,421 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-31 21:59:48,421 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-31 21:59:48,421 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-31 21:59:48,422 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-31 21:59:48,422 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-31 21:59:48,423 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-31 21:59:48,434 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_619e0115-cc0b-4371-addc-ab79ab466fc0/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (45)] Forceful destruction successful, exit code 0 [2024-10-31 21:59:48,434 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 21:59:48,434 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_619e0115-cc0b-4371-addc-ab79ab466fc0/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 21:59:48,435 INFO L229 MonitoredProcess]: Starting monitored process 46 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_619e0115-cc0b-4371-addc-ab79ab466fc0/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 21:59:48,437 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_619e0115-cc0b-4371-addc-ab79ab466fc0/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (46)] Waiting until timeout for monitored process [2024-10-31 21:59:48,437 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 [2024-10-31 21:59:48,448 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-31 21:59:48,448 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-31 21:59:48,448 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-31 21:59:48,448 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-31 21:59:48,449 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-31 21:59:48,449 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-31 21:59:48,449 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-31 21:59:48,452 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-31 21:59:48,470 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_619e0115-cc0b-4371-addc-ab79ab466fc0/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (46)] Forceful destruction successful, exit code 0 [2024-10-31 21:59:48,471 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 21:59:48,471 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_619e0115-cc0b-4371-addc-ab79ab466fc0/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 21:59:48,472 INFO L229 MonitoredProcess]: Starting monitored process 47 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_619e0115-cc0b-4371-addc-ab79ab466fc0/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 21:59:48,473 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_619e0115-cc0b-4371-addc-ab79ab466fc0/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (47)] Waiting until timeout for monitored process [2024-10-31 21:59:48,473 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 [2024-10-31 21:59:48,484 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-31 21:59:48,484 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-31 21:59:48,484 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-31 21:59:48,484 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-31 21:59:48,485 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-31 21:59:48,485 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-31 21:59:48,485 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-31 21:59:48,486 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-31 21:59:48,497 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_619e0115-cc0b-4371-addc-ab79ab466fc0/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (47)] Ended with exit code 0 [2024-10-31 21:59:48,498 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 21:59:48,498 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_619e0115-cc0b-4371-addc-ab79ab466fc0/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 21:59:48,499 INFO L229 MonitoredProcess]: Starting monitored process 48 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_619e0115-cc0b-4371-addc-ab79ab466fc0/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 21:59:48,500 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_619e0115-cc0b-4371-addc-ab79ab466fc0/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (48)] Waiting until timeout for monitored process [2024-10-31 21:59:48,501 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 [2024-10-31 21:59:48,512 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-31 21:59:48,512 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-31 21:59:48,512 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-31 21:59:48,512 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-31 21:59:48,513 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-10-31 21:59:48,513 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-10-31 21:59:48,517 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-31 21:59:48,529 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_619e0115-cc0b-4371-addc-ab79ab466fc0/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (48)] Ended with exit code 0 [2024-10-31 21:59:48,529 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 21:59:48,529 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_619e0115-cc0b-4371-addc-ab79ab466fc0/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 21:59:48,530 INFO L229 MonitoredProcess]: Starting monitored process 49 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_619e0115-cc0b-4371-addc-ab79ab466fc0/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 21:59:48,531 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_619e0115-cc0b-4371-addc-ab79ab466fc0/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (49)] Waiting until timeout for monitored process [2024-10-31 21:59:48,532 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 [2024-10-31 21:59:48,542 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-31 21:59:48,542 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-31 21:59:48,543 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-31 21:59:48,543 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-31 21:59:48,543 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-31 21:59:48,543 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-31 21:59:48,543 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-31 21:59:48,547 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-31 21:59:48,561 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_619e0115-cc0b-4371-addc-ab79ab466fc0/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (49)] Ended with exit code 0 [2024-10-31 21:59:48,561 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 21:59:48,561 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_619e0115-cc0b-4371-addc-ab79ab466fc0/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 21:59:48,563 INFO L229 MonitoredProcess]: Starting monitored process 50 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_619e0115-cc0b-4371-addc-ab79ab466fc0/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 21:59:48,566 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_619e0115-cc0b-4371-addc-ab79ab466fc0/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (50)] Waiting until timeout for monitored process [2024-10-31 21:59:48,567 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 [2024-10-31 21:59:48,580 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-31 21:59:48,580 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-31 21:59:48,581 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-31 21:59:48,581 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-31 21:59:48,582 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-10-31 21:59:48,582 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-10-31 21:59:48,589 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-31 21:59:48,600 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_619e0115-cc0b-4371-addc-ab79ab466fc0/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (50)] Ended with exit code 0 [2024-10-31 21:59:48,601 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 21:59:48,601 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_619e0115-cc0b-4371-addc-ab79ab466fc0/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 21:59:48,602 INFO L229 MonitoredProcess]: Starting monitored process 51 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_619e0115-cc0b-4371-addc-ab79ab466fc0/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 21:59:48,603 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_619e0115-cc0b-4371-addc-ab79ab466fc0/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (51)] Waiting until timeout for monitored process [2024-10-31 21:59:48,603 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 [2024-10-31 21:59:48,616 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-31 21:59:48,617 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-31 21:59:48,617 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-31 21:59:48,617 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-31 21:59:48,617 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-31 21:59:48,618 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-31 21:59:48,618 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-31 21:59:48,623 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-31 21:59:48,642 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_619e0115-cc0b-4371-addc-ab79ab466fc0/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (51)] Forceful destruction successful, exit code 0 [2024-10-31 21:59:48,642 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 21:59:48,643 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_619e0115-cc0b-4371-addc-ab79ab466fc0/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 21:59:48,645 INFO L229 MonitoredProcess]: Starting monitored process 52 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_619e0115-cc0b-4371-addc-ab79ab466fc0/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 21:59:48,646 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_619e0115-cc0b-4371-addc-ab79ab466fc0/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (52)] Waiting until timeout for monitored process [2024-10-31 21:59:48,647 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 [2024-10-31 21:59:48,661 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-31 21:59:48,661 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-31 21:59:48,661 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-31 21:59:48,662 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-31 21:59:48,662 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-31 21:59:48,662 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-31 21:59:48,663 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-31 21:59:48,664 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-31 21:59:48,682 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_619e0115-cc0b-4371-addc-ab79ab466fc0/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (52)] Ended with exit code 0 [2024-10-31 21:59:48,683 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 21:59:48,683 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_619e0115-cc0b-4371-addc-ab79ab466fc0/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 21:59:48,685 INFO L229 MonitoredProcess]: Starting monitored process 53 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_619e0115-cc0b-4371-addc-ab79ab466fc0/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 21:59:48,686 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_619e0115-cc0b-4371-addc-ab79ab466fc0/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (53)] Waiting until timeout for monitored process [2024-10-31 21:59:48,687 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-10-31 21:59:48,701 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-31 21:59:48,702 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-31 21:59:48,702 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-31 21:59:48,702 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-31 21:59:48,702 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-31 21:59:48,703 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-31 21:59:48,703 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-31 21:59:48,704 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-31 21:59:48,723 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_619e0115-cc0b-4371-addc-ab79ab466fc0/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (53)] Forceful destruction successful, exit code 0 [2024-10-31 21:59:48,723 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 21:59:48,723 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_619e0115-cc0b-4371-addc-ab79ab466fc0/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 21:59:48,724 INFO L229 MonitoredProcess]: Starting monitored process 54 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_619e0115-cc0b-4371-addc-ab79ab466fc0/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 21:59:48,726 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_619e0115-cc0b-4371-addc-ab79ab466fc0/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (54)] Waiting until timeout for monitored process [2024-10-31 21:59:48,728 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 [2024-10-31 21:59:48,742 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-31 21:59:48,742 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-31 21:59:48,742 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-31 21:59:48,743 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-31 21:59:48,743 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-31 21:59:48,743 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-31 21:59:48,743 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-31 21:59:48,745 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-31 21:59:48,764 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_619e0115-cc0b-4371-addc-ab79ab466fc0/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (54)] Forceful destruction successful, exit code 0 [2024-10-31 21:59:48,764 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 21:59:48,764 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_619e0115-cc0b-4371-addc-ab79ab466fc0/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 21:59:48,770 INFO L229 MonitoredProcess]: Starting monitored process 55 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_619e0115-cc0b-4371-addc-ab79ab466fc0/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 21:59:48,772 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_619e0115-cc0b-4371-addc-ab79ab466fc0/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (55)] Waiting until timeout for monitored process [2024-10-31 21:59:48,773 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 [2024-10-31 21:59:48,789 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-31 21:59:48,789 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-31 21:59:48,789 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-31 21:59:48,789 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-31 21:59:48,789 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-31 21:59:48,790 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-31 21:59:48,790 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-31 21:59:48,792 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-31 21:59:48,805 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_619e0115-cc0b-4371-addc-ab79ab466fc0/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (55)] Ended with exit code 0 [2024-10-31 21:59:48,806 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 21:59:48,806 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_619e0115-cc0b-4371-addc-ab79ab466fc0/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 21:59:48,808 INFO L229 MonitoredProcess]: Starting monitored process 56 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_619e0115-cc0b-4371-addc-ab79ab466fc0/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 21:59:48,809 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_619e0115-cc0b-4371-addc-ab79ab466fc0/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (56)] Waiting until timeout for monitored process [2024-10-31 21:59:48,810 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 [2024-10-31 21:59:48,825 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-31 21:59:48,825 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-31 21:59:48,825 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-31 21:59:48,825 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-31 21:59:48,826 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-31 21:59:48,826 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-31 21:59:48,826 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-31 21:59:48,829 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-31 21:59:48,850 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_619e0115-cc0b-4371-addc-ab79ab466fc0/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (56)] Ended with exit code 0 [2024-10-31 21:59:48,850 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 21:59:48,851 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_619e0115-cc0b-4371-addc-ab79ab466fc0/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 21:59:48,853 INFO L229 MonitoredProcess]: Starting monitored process 57 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_619e0115-cc0b-4371-addc-ab79ab466fc0/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 21:59:48,854 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_619e0115-cc0b-4371-addc-ab79ab466fc0/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (57)] Waiting until timeout for monitored process [2024-10-31 21:59:48,855 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 [2024-10-31 21:59:48,870 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-31 21:59:48,870 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-31 21:59:48,870 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-31 21:59:48,870 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-31 21:59:48,875 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-10-31 21:59:48,875 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-10-31 21:59:48,880 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-31 21:59:48,893 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_619e0115-cc0b-4371-addc-ab79ab466fc0/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (57)] Ended with exit code 0 [2024-10-31 21:59:48,893 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 21:59:48,893 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_619e0115-cc0b-4371-addc-ab79ab466fc0/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 21:59:48,894 INFO L229 MonitoredProcess]: Starting monitored process 58 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_619e0115-cc0b-4371-addc-ab79ab466fc0/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 21:59:48,895 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_619e0115-cc0b-4371-addc-ab79ab466fc0/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (58)] Waiting until timeout for monitored process [2024-10-31 21:59:48,896 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 [2024-10-31 21:59:48,907 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-31 21:59:48,907 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-31 21:59:48,907 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-31 21:59:48,907 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-31 21:59:48,909 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-10-31 21:59:48,910 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-10-31 21:59:48,915 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-31 21:59:48,926 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_619e0115-cc0b-4371-addc-ab79ab466fc0/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (58)] Forceful destruction successful, exit code 0 [2024-10-31 21:59:48,926 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 21:59:48,926 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_619e0115-cc0b-4371-addc-ab79ab466fc0/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 21:59:48,927 INFO L229 MonitoredProcess]: Starting monitored process 59 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_619e0115-cc0b-4371-addc-ab79ab466fc0/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 21:59:48,928 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_619e0115-cc0b-4371-addc-ab79ab466fc0/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (59)] Waiting until timeout for monitored process [2024-10-31 21:59:48,929 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 [2024-10-31 21:59:48,940 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-31 21:59:48,940 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-31 21:59:48,940 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-31 21:59:48,940 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-31 21:59:48,942 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-10-31 21:59:48,942 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-10-31 21:59:48,945 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-31 21:59:48,956 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_619e0115-cc0b-4371-addc-ab79ab466fc0/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (59)] Forceful destruction successful, exit code 0 [2024-10-31 21:59:48,956 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 21:59:48,957 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_619e0115-cc0b-4371-addc-ab79ab466fc0/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 21:59:48,957 INFO L229 MonitoredProcess]: Starting monitored process 60 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_619e0115-cc0b-4371-addc-ab79ab466fc0/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 21:59:48,958 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_619e0115-cc0b-4371-addc-ab79ab466fc0/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (60)] Waiting until timeout for monitored process [2024-10-31 21:59:48,959 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 [2024-10-31 21:59:48,970 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-31 21:59:48,970 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-31 21:59:48,970 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-31 21:59:48,970 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-31 21:59:48,974 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-10-31 21:59:48,974 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-10-31 21:59:48,988 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-31 21:59:49,006 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_619e0115-cc0b-4371-addc-ab79ab466fc0/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (60)] Ended with exit code 0 [2024-10-31 21:59:49,006 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 21:59:49,006 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_619e0115-cc0b-4371-addc-ab79ab466fc0/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 21:59:49,007 INFO L229 MonitoredProcess]: Starting monitored process 61 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_619e0115-cc0b-4371-addc-ab79ab466fc0/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 21:59:49,009 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_619e0115-cc0b-4371-addc-ab79ab466fc0/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (61)] Waiting until timeout for monitored process [2024-10-31 21:59:49,010 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 [2024-10-31 21:59:49,024 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-31 21:59:49,025 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-31 21:59:49,025 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-31 21:59:49,025 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-31 21:59:49,028 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-10-31 21:59:49,029 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-10-31 21:59:49,036 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2024-10-31 21:59:49,044 INFO L443 ModelExtractionUtils]: Simplification made 6 calls to the SMT solver. [2024-10-31 21:59:49,044 INFO L444 ModelExtractionUtils]: 3 out of 10 variables were initially zero. Simplification set additionally 5 variables to zero. [2024-10-31 21:59:49,044 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 21:59:49,045 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_619e0115-cc0b-4371-addc-ab79ab466fc0/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 21:59:49,046 INFO L229 MonitoredProcess]: Starting monitored process 62 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_619e0115-cc0b-4371-addc-ab79ab466fc0/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 21:59:49,047 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_619e0115-cc0b-4371-addc-ab79ab466fc0/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (62)] Waiting until timeout for monitored process [2024-10-31 21:59:49,047 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2024-10-31 21:59:49,058 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2024-10-31 21:59:49,059 INFO L474 LassoAnalysis]: Proved termination. [2024-10-31 21:59:49,059 INFO L476 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select (select #memory_int#0 ULTIMATE.start_main_~arr~0#1.base) (+ ULTIMATE.start_main_~arr~0#1.offset 12))_1) = 1*v_rep(select (select #memory_int#0 ULTIMATE.start_main_~arr~0#1.base) (+ ULTIMATE.start_main_~arr~0#1.offset 12))_1 Supporting invariants [] [2024-10-31 21:59:49,071 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_619e0115-cc0b-4371-addc-ab79ab466fc0/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (61)] Ended with exit code 0 [2024-10-31 21:59:49,087 INFO L156 tatePredicateManager]: 7 out of 8 supporting invariants were superfluous and have been removed [2024-10-31 21:59:49,089 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_int#0 [2024-10-31 21:59:49,089 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int#0,GLOBAL] [2024-10-31 21:59:49,089 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int#0,GLOBAL],[IdentifierExpression[~arr~0!base,]]] [2024-10-31 21:59:49,112 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 21:59:49,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 21:59:49,140 INFO L255 TraceCheckSpWp]: Trace formula consists of 109 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-10-31 21:59:49,141 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-31 21:59:49,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 21:59:49,261 INFO L255 TraceCheckSpWp]: Trace formula consists of 19 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-10-31 21:59:49,262 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-31 21:59:49,282 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 21:59:49,282 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.5 stem predicates 2 loop predicates [2024-10-31 21:59:49,283 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 43 states and 53 transitions. cyclomatic complexity: 16 Second operand has 7 states, 7 states have (on average 3.7142857142857144) internal successors, (26), 7 states have internal predecessors, (26), 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) [2024-10-31 21:59:49,308 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 43 states and 53 transitions. cyclomatic complexity: 16. Second operand has 7 states, 7 states have (on average 3.7142857142857144) internal successors, (26), 7 states have internal predecessors, (26), 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 44 states and 55 transitions. Complement of second has 4 states. [2024-10-31 21:59:49,310 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 2 stem states 0 non-accepting loop states 1 accepting loop states [2024-10-31 21:59:49,314 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7 states, 7 states have (on average 3.7142857142857144) internal successors, (26), 7 states have internal predecessors, (26), 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) [2024-10-31 21:59:49,314 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 13 transitions. [2024-10-31 21:59:49,314 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 13 transitions. Stem has 36 letters. Loop has 2 letters. [2024-10-31 21:59:49,314 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-10-31 21:59:49,314 INFO L682 stractBuchiCegarLoop]: Bad chosen interpolant automaton: word not accepted [2024-10-31 21:59:49,337 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 21:59:49,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 21:59:49,366 INFO L255 TraceCheckSpWp]: Trace formula consists of 109 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-10-31 21:59:49,367 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-31 21:59:49,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 21:59:49,503 INFO L255 TraceCheckSpWp]: Trace formula consists of 19 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-10-31 21:59:49,504 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-31 21:59:49,531 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 21:59:49,532 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and with honda bouncer for loop.5 stem predicates 2 loop predicates [2024-10-31 21:59:49,532 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 43 states and 53 transitions. cyclomatic complexity: 16 Second operand has 7 states, 7 states have (on average 3.7142857142857144) internal successors, (26), 7 states have internal predecessors, (26), 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) [2024-10-31 21:59:49,565 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 43 states and 53 transitions. cyclomatic complexity: 16. Second operand has 7 states, 7 states have (on average 3.7142857142857144) internal successors, (26), 7 states have internal predecessors, (26), 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 44 states and 55 transitions. Complement of second has 4 states. [2024-10-31 21:59:49,565 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 2 stem states 0 non-accepting loop states 1 accepting loop states [2024-10-31 21:59:49,566 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7 states, 7 states have (on average 3.7142857142857144) internal successors, (26), 7 states have internal predecessors, (26), 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) [2024-10-31 21:59:49,566 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 13 transitions. [2024-10-31 21:59:49,566 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 13 transitions. Stem has 36 letters. Loop has 2 letters. [2024-10-31 21:59:49,566 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-10-31 21:59:49,566 INFO L682 stractBuchiCegarLoop]: Bad chosen interpolant automaton: word not accepted [2024-10-31 21:59:49,594 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 21:59:49,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 21:59:49,621 INFO L255 TraceCheckSpWp]: Trace formula consists of 109 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-10-31 21:59:49,622 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-31 21:59:49,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 21:59:49,743 INFO L255 TraceCheckSpWp]: Trace formula consists of 19 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-10-31 21:59:49,744 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-31 21:59:49,765 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 21:59:49,765 INFO L141 lantAutomatonBouncer]: Defining Buchi interpolant automaton with scrooge nondeterminism in stemwith honda bouncer for stem and without honda bouncer for loop.5 stem predicates 2 loop predicates [2024-10-31 21:59:49,766 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 43 states and 53 transitions. cyclomatic complexity: 16 Second operand has 7 states, 7 states have (on average 3.7142857142857144) internal successors, (26), 7 states have internal predecessors, (26), 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) [2024-10-31 21:59:49,897 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 43 states and 53 transitions. cyclomatic complexity: 16. Second operand has 7 states, 7 states have (on average 3.7142857142857144) internal successors, (26), 7 states have internal predecessors, (26), 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 60 states and 76 transitions. Complement of second has 14 states. [2024-10-31 21:59:49,899 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 9 states 5 stem states 2 non-accepting loop states 2 accepting loop states [2024-10-31 21:59:49,900 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7 states, 7 states have (on average 3.7142857142857144) internal successors, (26), 7 states have internal predecessors, (26), 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) [2024-10-31 21:59:49,900 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 45 transitions. [2024-10-31 21:59:49,900 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 9 states and 45 transitions. Stem has 36 letters. Loop has 2 letters. [2024-10-31 21:59:49,900 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-10-31 21:59:49,900 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 9 states and 45 transitions. Stem has 38 letters. Loop has 2 letters. [2024-10-31 21:59:49,901 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-10-31 21:59:49,901 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 9 states and 45 transitions. Stem has 36 letters. Loop has 4 letters. [2024-10-31 21:59:49,901 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-10-31 21:59:49,901 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 60 states and 76 transitions. [2024-10-31 21:59:49,902 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2024-10-31 21:59:49,902 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 60 states to 55 states and 69 transitions. [2024-10-31 21:59:49,902 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 11 [2024-10-31 21:59:49,903 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 12 [2024-10-31 21:59:49,903 INFO L73 IsDeterministic]: Start isDeterministic. Operand 55 states and 69 transitions. [2024-10-31 21:59:49,903 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2024-10-31 21:59:49,903 INFO L218 hiAutomatonCegarLoop]: Abstraction has 55 states and 69 transitions. [2024-10-31 21:59:49,903 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 55 states and 69 transitions. [2024-10-31 21:59:49,905 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 55 to 48. [2024-10-31 21:59:49,906 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 48 states, 48 states have (on average 1.2291666666666667) internal successors, (59), 47 states have internal predecessors, (59), 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) [2024-10-31 21:59:49,906 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 48 states and 59 transitions. [2024-10-31 21:59:49,906 INFO L240 hiAutomatonCegarLoop]: Abstraction has 48 states and 59 transitions. [2024-10-31 21:59:49,906 INFO L425 stractBuchiCegarLoop]: Abstraction has 48 states and 59 transitions. [2024-10-31 21:59:49,907 INFO L332 stractBuchiCegarLoop]: ======== Iteration 12 ============ [2024-10-31 21:59:49,907 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 48 states and 59 transitions. [2024-10-31 21:59:49,907 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2024-10-31 21:59:49,907 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-10-31 21:59:49,907 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-10-31 21:59:49,908 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [5, 4, 4, 4, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1] [2024-10-31 21:59:49,908 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2024-10-31 21:59:49,908 INFO L745 eck$LassoCheckResult]: Stem: 2728#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 2720#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet2#1, main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_#t~nondet4#1, main_#t~post5#1, main_#t~mem6#1, main_#t~mem7#1, main_#t~post8#1, main_#t~post9#1, main_~i~0#1, main_~j~0#1, main_~val~0#1, main_~length~0#1, main_~arr~0#1.base, main_~arr~0#1.offset;havoc main_~i~0#1;havoc main_~j~0#1;havoc main_~val~0#1;havoc main_#t~nondet2#1;main_~length~0#1 := main_#t~nondet2#1;havoc main_#t~nondet2#1; 2721#L516 assume !(main_~length~0#1 < 1 || main_~length~0#1 % 4294967296 >= 536870911); 2729#L516-2 call main_#t~malloc3#1.base, main_#t~malloc3#1.offset := #Ultimate.allocOnStack(4 * main_~length~0#1 % 4294967296);main_~arr~0#1.base, main_~arr~0#1.offset := main_#t~malloc3#1.base, main_#t~malloc3#1.offset; 2722#L518 assume !(main_~arr~0#1.base == 0 && main_~arr~0#1.offset == 0);main_~i~0#1 := 0; 2723#L519-3 assume !!(main_~i~0#1 < main_~length~0#1);havoc main_#t~nondet4#1;main_~val~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1; 2724#L521 assume !(main_~val~0#1 < 0); 2716#L521-2 call write~int#0(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 2717#L519-2 main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1; 2725#L519-3 assume !!(main_~i~0#1 < main_~length~0#1);havoc main_#t~nondet4#1;main_~val~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1; 2726#L521 assume !(main_~val~0#1 < 0); 2742#L521-2 call write~int#0(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 2718#L519-2 main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1; 2719#L519-3 assume !!(main_~i~0#1 < main_~length~0#1);havoc main_#t~nondet4#1;main_~val~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1; 2738#L521 assume !(main_~val~0#1 < 0); 2737#L521-2 call write~int#0(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 2736#L519-2 main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1; 2735#L519-3 assume !!(main_~i~0#1 < main_~length~0#1);havoc main_#t~nondet4#1;main_~val~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1; 2732#L521 assume !(main_~val~0#1 < 0); 2734#L521-2 call write~int#0(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 2733#L519-2 main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1; 2731#L519-3 assume !(main_~i~0#1 < main_~length~0#1); 2730#L519-4 main_~j~0#1 := 0; 2714#L526-3 assume !!(main_~j~0#1 < main_~length~0#1); 2713#L527-3 call main_#t~mem6#1 := read~int#0(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 2727#L527-1 assume !(main_#t~mem6#1 > 0);havoc main_#t~mem6#1; 2708#L526-2 main_#t~post9#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post9#1;havoc main_#t~post9#1; 2709#L526-3 assume !!(main_~j~0#1 < main_~length~0#1); 2715#L527-3 call main_#t~mem6#1 := read~int#0(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 2754#L527-1 assume !(main_#t~mem6#1 > 0);havoc main_#t~mem6#1; 2753#L526-2 main_#t~post9#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post9#1;havoc main_#t~post9#1; 2752#L526-3 assume !!(main_~j~0#1 < main_~length~0#1); 2750#L527-3 call main_#t~mem6#1 := read~int#0(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 2749#L527-1 assume !(main_#t~mem6#1 > 0);havoc main_#t~mem6#1; 2748#L526-2 main_#t~post9#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post9#1;havoc main_#t~post9#1; 2747#L526-3 assume !!(main_~j~0#1 < main_~length~0#1); 2746#L527-3 call main_#t~mem6#1 := read~int#0(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 2743#L527-1 assume !(main_#t~mem6#1 > 0);havoc main_#t~mem6#1; 2741#L526-2 main_#t~post9#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post9#1;havoc main_#t~post9#1; 2739#L526-3 assume !!(main_~j~0#1 < main_~length~0#1); 2711#L527-3 [2024-10-31 21:59:49,909 INFO L747 eck$LassoCheckResult]: Loop: 2711#L527-3 call main_#t~mem6#1 := read~int#0(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 2710#L527-1 assume !!(main_#t~mem6#1 > 0);havoc main_#t~mem6#1;call main_#t~mem7#1 := read~int#0(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4);main_#t~post8#1 := main_#t~mem7#1;call write~int#0(main_#t~post8#1 - 1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4);havoc main_#t~mem7#1;havoc main_#t~post8#1; 2711#L527-3 [2024-10-31 21:59:49,909 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 21:59:49,909 INFO L85 PathProgramCache]: Analyzing trace with hash 296817483, now seen corresponding path program 8 times [2024-10-31 21:59:49,909 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 21:59:49,909 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1630256590] [2024-10-31 21:59:49,910 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 21:59:49,910 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 21:59:49,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 21:59:50,135 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 15 proven. 41 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 21:59:50,135 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 21:59:50,135 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1630256590] [2024-10-31 21:59:50,135 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1630256590] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-31 21:59:50,135 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [330045420] [2024-10-31 21:59:50,136 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-10-31 21:59:50,136 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-31 21:59:50,136 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_619e0115-cc0b-4371-addc-ab79ab466fc0/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 21:59:50,138 INFO L229 MonitoredProcess]: Starting monitored process 63 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_619e0115-cc0b-4371-addc-ab79ab466fc0/bin/uautomizer-verify-4GaUIPS5ZU/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-31 21:59:50,139 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_619e0115-cc0b-4371-addc-ab79ab466fc0/bin/uautomizer-verify-4GaUIPS5ZU/z3 -smt2 -in SMTLIB2_COMPLIANT=true (63)] Waiting until timeout for monitored process [2024-10-31 21:59:50,214 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-10-31 21:59:50,214 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-31 21:59:50,215 INFO L255 TraceCheckSpWp]: Trace formula consists of 119 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-10-31 21:59:50,216 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-31 21:59:50,272 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_619e0115-cc0b-4371-addc-ab79ab466fc0/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (62)] Forceful destruction successful, exit code 0 [2024-10-31 21:59:50,438 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 28 proven. 28 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 21:59:50,438 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-31 21:59:50,577 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 28 proven. 28 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 21:59:50,578 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [330045420] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-31 21:59:50,578 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-31 21:59:50,578 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 12, 12] total 19 [2024-10-31 21:59:50,578 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [516677804] [2024-10-31 21:59:50,578 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-31 21:59:50,579 INFO L750 eck$LassoCheckResult]: stem already infeasible [2024-10-31 21:59:50,579 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 21:59:50,579 INFO L85 PathProgramCache]: Analyzing trace with hash 2502, now seen corresponding path program 8 times [2024-10-31 21:59:50,579 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 21:59:50,579 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [622314123] [2024-10-31 21:59:50,579 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 21:59:50,580 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 21:59:50,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 21:59:50,585 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-31 21:59:50,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 21:59:50,588 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-31 21:59:50,635 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 21:59:50,635 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2024-10-31 21:59:50,636 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=95, Invalid=285, Unknown=0, NotChecked=0, Total=380 [2024-10-31 21:59:50,636 INFO L87 Difference]: Start difference. First operand 48 states and 59 transitions. cyclomatic complexity: 18 Second operand has 20 states, 19 states have (on average 3.5789473684210527) internal successors, (68), 20 states have internal predecessors, (68), 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) [2024-10-31 21:59:50,789 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-31 21:59:50,789 INFO L93 Difference]: Finished difference Result 77 states and 94 transitions. [2024-10-31 21:59:50,789 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 77 states and 94 transitions. [2024-10-31 21:59:50,790 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2024-10-31 21:59:50,790 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 77 states to 55 states and 68 transitions. [2024-10-31 21:59:50,790 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 10 [2024-10-31 21:59:50,791 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 10 [2024-10-31 21:59:50,791 INFO L73 IsDeterministic]: Start isDeterministic. Operand 55 states and 68 transitions. [2024-10-31 21:59:50,791 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2024-10-31 21:59:50,791 INFO L218 hiAutomatonCegarLoop]: Abstraction has 55 states and 68 transitions. [2024-10-31 21:59:50,791 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 55 states and 68 transitions. [2024-10-31 21:59:50,794 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 55 to 52. [2024-10-31 21:59:50,794 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 52 states, 52 states have (on average 1.2307692307692308) internal successors, (64), 51 states have internal predecessors, (64), 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) [2024-10-31 21:59:50,795 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 52 states and 64 transitions. [2024-10-31 21:59:50,795 INFO L240 hiAutomatonCegarLoop]: Abstraction has 52 states and 64 transitions. [2024-10-31 21:59:50,801 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-10-31 21:59:50,801 INFO L425 stractBuchiCegarLoop]: Abstraction has 52 states and 64 transitions. [2024-10-31 21:59:50,802 INFO L332 stractBuchiCegarLoop]: ======== Iteration 13 ============ [2024-10-31 21:59:50,802 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 52 states and 64 transitions. [2024-10-31 21:59:50,804 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2024-10-31 21:59:50,804 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-10-31 21:59:50,804 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-10-31 21:59:50,805 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [5, 5, 5, 5, 5, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1] [2024-10-31 21:59:50,805 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2024-10-31 21:59:50,805 INFO L745 eck$LassoCheckResult]: Stem: 3109#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 3101#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet2#1, main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_#t~nondet4#1, main_#t~post5#1, main_#t~mem6#1, main_#t~mem7#1, main_#t~post8#1, main_#t~post9#1, main_~i~0#1, main_~j~0#1, main_~val~0#1, main_~length~0#1, main_~arr~0#1.base, main_~arr~0#1.offset;havoc main_~i~0#1;havoc main_~j~0#1;havoc main_~val~0#1;havoc main_#t~nondet2#1;main_~length~0#1 := main_#t~nondet2#1;havoc main_#t~nondet2#1; 3102#L516 assume !(main_~length~0#1 < 1 || main_~length~0#1 % 4294967296 >= 536870911); 3110#L516-2 call main_#t~malloc3#1.base, main_#t~malloc3#1.offset := #Ultimate.allocOnStack(4 * main_~length~0#1 % 4294967296);main_~arr~0#1.base, main_~arr~0#1.offset := main_#t~malloc3#1.base, main_#t~malloc3#1.offset; 3103#L518 assume !(main_~arr~0#1.base == 0 && main_~arr~0#1.offset == 0);main_~i~0#1 := 0; 3104#L519-3 assume !!(main_~i~0#1 < main_~length~0#1);havoc main_#t~nondet4#1;main_~val~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1; 3105#L521 assume !(main_~val~0#1 < 0); 3141#L521-2 call write~int#0(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 3140#L519-2 main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1; 3106#L519-3 assume !!(main_~i~0#1 < main_~length~0#1);havoc main_#t~nondet4#1;main_~val~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1; 3107#L521 assume !(main_~val~0#1 < 0); 3098#L521-2 call write~int#0(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 3099#L519-2 main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1; 3100#L519-3 assume !!(main_~i~0#1 < main_~length~0#1);havoc main_#t~nondet4#1;main_~val~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1; 3139#L521 assume !(main_~val~0#1 < 0); 3138#L521-2 call write~int#0(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 3137#L519-2 main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1; 3136#L519-3 assume !!(main_~i~0#1 < main_~length~0#1);havoc main_#t~nondet4#1;main_~val~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1; 3135#L521 assume !(main_~val~0#1 < 0); 3134#L521-2 call write~int#0(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 3132#L519-2 main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1; 3130#L519-3 assume !!(main_~i~0#1 < main_~length~0#1);havoc main_#t~nondet4#1;main_~val~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1; 3113#L521 assume !(main_~val~0#1 < 0); 3119#L521-2 call write~int#0(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 3114#L519-2 main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1; 3112#L519-3 assume !(main_~i~0#1 < main_~length~0#1); 3111#L519-4 main_~j~0#1 := 0; 3095#L526-3 assume !!(main_~j~0#1 < main_~length~0#1); 3096#L527-3 call main_#t~mem6#1 := read~int#0(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 3094#L527-1 assume !(main_#t~mem6#1 > 0);havoc main_#t~mem6#1; 3090#L526-2 main_#t~post9#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post9#1;havoc main_#t~post9#1; 3091#L526-3 assume !!(main_~j~0#1 < main_~length~0#1); 3097#L527-3 call main_#t~mem6#1 := read~int#0(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 3131#L527-1 assume !(main_#t~mem6#1 > 0);havoc main_#t~mem6#1; 3129#L526-2 main_#t~post9#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post9#1;havoc main_#t~post9#1; 3128#L526-3 assume !!(main_~j~0#1 < main_~length~0#1); 3126#L527-3 call main_#t~mem6#1 := read~int#0(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 3125#L527-1 assume !(main_#t~mem6#1 > 0);havoc main_#t~mem6#1; 3124#L526-2 main_#t~post9#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post9#1;havoc main_#t~post9#1; 3123#L526-3 assume !!(main_~j~0#1 < main_~length~0#1); 3122#L527-3 call main_#t~mem6#1 := read~int#0(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 3118#L527-1 assume !(main_#t~mem6#1 > 0);havoc main_#t~mem6#1; 3117#L526-2 main_#t~post9#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post9#1;havoc main_#t~post9#1; 3115#L526-3 assume !!(main_~j~0#1 < main_~length~0#1); 3093#L527-3 [2024-10-31 21:59:50,805 INFO L747 eck$LassoCheckResult]: Loop: 3093#L527-3 call main_#t~mem6#1 := read~int#0(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 3092#L527-1 assume !!(main_#t~mem6#1 > 0);havoc main_#t~mem6#1;call main_#t~mem7#1 := read~int#0(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4);main_#t~post8#1 := main_#t~mem7#1;call write~int#0(main_#t~post8#1 - 1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4);havoc main_#t~mem7#1;havoc main_#t~post8#1; 3093#L527-3 [2024-10-31 21:59:50,805 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 21:59:50,805 INFO L85 PathProgramCache]: Analyzing trace with hash 1662287172, now seen corresponding path program 9 times [2024-10-31 21:59:50,806 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 21:59:50,806 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1656817483] [2024-10-31 21:59:50,806 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 21:59:50,806 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 21:59:50,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 21:59:50,835 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-31 21:59:50,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 21:59:50,858 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-31 21:59:50,859 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 21:59:50,859 INFO L85 PathProgramCache]: Analyzing trace with hash 2502, now seen corresponding path program 9 times [2024-10-31 21:59:50,859 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 21:59:50,859 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1716207837] [2024-10-31 21:59:50,860 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 21:59:50,860 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 21:59:50,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 21:59:50,864 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-31 21:59:50,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 21:59:50,869 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-31 21:59:50,870 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 21:59:50,870 INFO L85 PathProgramCache]: Analyzing trace with hash -269860279, now seen corresponding path program 4 times [2024-10-31 21:59:50,870 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 21:59:50,870 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1510690384] [2024-10-31 21:59:50,870 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 21:59:50,870 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 21:59:50,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 21:59:50,922 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-31 21:59:50,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 21:59:50,957 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-31 21:59:52,352 INFO L204 LassoAnalysis]: Preferences: [2024-10-31 21:59:52,352 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-10-31 21:59:52,352 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-10-31 21:59:52,352 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-10-31 21:59:52,352 INFO L128 ssoRankerPreferences]: Use exernal solver: false [2024-10-31 21:59:52,353 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 21:59:52,353 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-10-31 21:59:52,353 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-10-31 21:59:52,353 INFO L132 ssoRankerPreferences]: Filename of dumped script: count_down-alloca-1.i_Iteration13_Lasso [2024-10-31 21:59:52,353 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-10-31 21:59:52,353 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-10-31 21:59:52,355 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 21:59:52,358 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 21:59:52,360 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 21:59:52,362 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 21:59:52,364 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 21:59:52,367 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 21:59:52,373 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 21:59:52,375 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 21:59:52,377 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 21:59:52,380 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 21:59:52,694 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 21:59:52,697 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 21:59:52,699 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 21:59:52,702 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 21:59:52,704 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 21:59:53,001 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-10-31 21:59:53,001 INFO L451 LassoAnalysis]: Using template 'affine'. [2024-10-31 21:59:53,001 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 21:59:53,001 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_619e0115-cc0b-4371-addc-ab79ab466fc0/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 21:59:53,003 INFO L229 MonitoredProcess]: Starting monitored process 64 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_619e0115-cc0b-4371-addc-ab79ab466fc0/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 21:59:53,004 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_619e0115-cc0b-4371-addc-ab79ab466fc0/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (64)] Waiting until timeout for monitored process [2024-10-31 21:59:53,006 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 [2024-10-31 21:59:53,016 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-31 21:59:53,016 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-31 21:59:53,017 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-31 21:59:53,017 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-31 21:59:53,017 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-31 21:59:53,017 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-31 21:59:53,017 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-31 21:59:53,018 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-31 21:59:53,032 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_619e0115-cc0b-4371-addc-ab79ab466fc0/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (64)] Ended with exit code 0 [2024-10-31 21:59:53,032 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 21:59:53,032 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_619e0115-cc0b-4371-addc-ab79ab466fc0/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 21:59:53,033 INFO L229 MonitoredProcess]: Starting monitored process 65 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_619e0115-cc0b-4371-addc-ab79ab466fc0/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 21:59:53,034 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_619e0115-cc0b-4371-addc-ab79ab466fc0/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (65)] Waiting until timeout for monitored process [2024-10-31 21:59:53,034 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 [2024-10-31 21:59:53,045 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-31 21:59:53,045 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-31 21:59:53,046 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-31 21:59:53,046 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-31 21:59:53,046 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-31 21:59:53,046 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-31 21:59:53,046 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-31 21:59:53,047 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-31 21:59:53,059 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_619e0115-cc0b-4371-addc-ab79ab466fc0/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (65)] Ended with exit code 0 [2024-10-31 21:59:53,059 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 21:59:53,059 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_619e0115-cc0b-4371-addc-ab79ab466fc0/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 21:59:53,060 INFO L229 MonitoredProcess]: Starting monitored process 66 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_619e0115-cc0b-4371-addc-ab79ab466fc0/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 21:59:53,061 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_619e0115-cc0b-4371-addc-ab79ab466fc0/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (66)] Waiting until timeout for monitored process [2024-10-31 21:59:53,062 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 [2024-10-31 21:59:53,072 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-31 21:59:53,073 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-31 21:59:53,073 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-31 21:59:53,073 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-31 21:59:53,073 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-31 21:59:53,073 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-31 21:59:53,073 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-31 21:59:53,074 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-31 21:59:53,087 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_619e0115-cc0b-4371-addc-ab79ab466fc0/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (66)] Forceful destruction successful, exit code 0 [2024-10-31 21:59:53,087 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 21:59:53,087 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_619e0115-cc0b-4371-addc-ab79ab466fc0/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 21:59:53,088 INFO L229 MonitoredProcess]: Starting monitored process 67 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_619e0115-cc0b-4371-addc-ab79ab466fc0/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 21:59:53,089 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_619e0115-cc0b-4371-addc-ab79ab466fc0/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (67)] Waiting until timeout for monitored process [2024-10-31 21:59:53,090 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 [2024-10-31 21:59:53,101 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-31 21:59:53,101 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-31 21:59:53,101 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-31 21:59:53,101 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-31 21:59:53,103 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-10-31 21:59:53,103 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-10-31 21:59:53,108 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-31 21:59:53,125 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_619e0115-cc0b-4371-addc-ab79ab466fc0/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (67)] Ended with exit code 0 [2024-10-31 21:59:53,125 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 21:59:53,125 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_619e0115-cc0b-4371-addc-ab79ab466fc0/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 21:59:53,126 INFO L229 MonitoredProcess]: Starting monitored process 68 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_619e0115-cc0b-4371-addc-ab79ab466fc0/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 21:59:53,127 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_619e0115-cc0b-4371-addc-ab79ab466fc0/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (68)] Waiting until timeout for monitored process [2024-10-31 21:59:53,128 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 [2024-10-31 21:59:53,139 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-31 21:59:53,139 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-31 21:59:53,139 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-31 21:59:53,139 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-31 21:59:53,140 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-10-31 21:59:53,140 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-10-31 21:59:53,144 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-31 21:59:53,155 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_619e0115-cc0b-4371-addc-ab79ab466fc0/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (68)] Ended with exit code 0 [2024-10-31 21:59:53,155 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 21:59:53,155 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_619e0115-cc0b-4371-addc-ab79ab466fc0/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 21:59:53,156 INFO L229 MonitoredProcess]: Starting monitored process 69 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_619e0115-cc0b-4371-addc-ab79ab466fc0/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 21:59:53,157 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_619e0115-cc0b-4371-addc-ab79ab466fc0/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (69)] Waiting until timeout for monitored process [2024-10-31 21:59:53,158 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 [2024-10-31 21:59:53,169 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-31 21:59:53,169 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-31 21:59:53,169 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-31 21:59:53,169 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-31 21:59:53,169 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-31 21:59:53,169 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-31 21:59:53,169 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-31 21:59:53,171 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-31 21:59:53,183 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_619e0115-cc0b-4371-addc-ab79ab466fc0/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (69)] Ended with exit code 0 [2024-10-31 21:59:53,184 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 21:59:53,184 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_619e0115-cc0b-4371-addc-ab79ab466fc0/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 21:59:53,185 INFO L229 MonitoredProcess]: Starting monitored process 70 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_619e0115-cc0b-4371-addc-ab79ab466fc0/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 21:59:53,185 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_619e0115-cc0b-4371-addc-ab79ab466fc0/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (70)] Waiting until timeout for monitored process [2024-10-31 21:59:53,186 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 [2024-10-31 21:59:53,197 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-31 21:59:53,197 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-31 21:59:53,197 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-31 21:59:53,197 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-31 21:59:53,198 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-31 21:59:53,198 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-31 21:59:53,198 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-31 21:59:53,199 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-31 21:59:53,210 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_619e0115-cc0b-4371-addc-ab79ab466fc0/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (70)] Ended with exit code 0 [2024-10-31 21:59:53,210 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 21:59:53,210 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_619e0115-cc0b-4371-addc-ab79ab466fc0/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 21:59:53,211 INFO L229 MonitoredProcess]: Starting monitored process 71 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_619e0115-cc0b-4371-addc-ab79ab466fc0/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 21:59:53,212 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_619e0115-cc0b-4371-addc-ab79ab466fc0/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (71)] Waiting until timeout for monitored process [2024-10-31 21:59:53,213 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 [2024-10-31 21:59:53,224 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-31 21:59:53,224 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-31 21:59:53,224 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-31 21:59:53,224 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-31 21:59:53,224 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-31 21:59:53,225 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-31 21:59:53,225 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-31 21:59:53,226 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-31 21:59:53,237 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_619e0115-cc0b-4371-addc-ab79ab466fc0/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (71)] Forceful destruction successful, exit code 0 [2024-10-31 21:59:53,238 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 21:59:53,238 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_619e0115-cc0b-4371-addc-ab79ab466fc0/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 21:59:53,239 INFO L229 MonitoredProcess]: Starting monitored process 72 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_619e0115-cc0b-4371-addc-ab79ab466fc0/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 21:59:53,240 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_619e0115-cc0b-4371-addc-ab79ab466fc0/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (72)] Waiting until timeout for monitored process [2024-10-31 21:59:53,240 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 [2024-10-31 21:59:53,251 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-31 21:59:53,252 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-31 21:59:53,252 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-31 21:59:53,252 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-31 21:59:53,252 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-31 21:59:53,252 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-31 21:59:53,252 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-31 21:59:53,253 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-31 21:59:53,264 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_619e0115-cc0b-4371-addc-ab79ab466fc0/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (72)] Ended with exit code 0 [2024-10-31 21:59:53,264 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 21:59:53,265 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_619e0115-cc0b-4371-addc-ab79ab466fc0/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 21:59:53,266 INFO L229 MonitoredProcess]: Starting monitored process 73 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_619e0115-cc0b-4371-addc-ab79ab466fc0/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 21:59:53,266 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_619e0115-cc0b-4371-addc-ab79ab466fc0/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (73)] Waiting until timeout for monitored process [2024-10-31 21:59:53,267 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 [2024-10-31 21:59:53,278 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-31 21:59:53,278 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-31 21:59:53,278 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-31 21:59:53,278 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-31 21:59:53,280 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-10-31 21:59:53,280 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-10-31 21:59:53,284 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-31 21:59:53,295 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_619e0115-cc0b-4371-addc-ab79ab466fc0/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (73)] Ended with exit code 0 [2024-10-31 21:59:53,296 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 21:59:53,296 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_619e0115-cc0b-4371-addc-ab79ab466fc0/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 21:59:53,297 INFO L229 MonitoredProcess]: Starting monitored process 74 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_619e0115-cc0b-4371-addc-ab79ab466fc0/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 21:59:53,298 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_619e0115-cc0b-4371-addc-ab79ab466fc0/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (74)] Waiting until timeout for monitored process [2024-10-31 21:59:53,298 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 [2024-10-31 21:59:53,309 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-31 21:59:53,309 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-31 21:59:53,310 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-31 21:59:53,310 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-31 21:59:53,312 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-10-31 21:59:53,312 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-10-31 21:59:53,317 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-31 21:59:53,329 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_619e0115-cc0b-4371-addc-ab79ab466fc0/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (74)] Ended with exit code 0 [2024-10-31 21:59:53,329 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 21:59:53,329 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_619e0115-cc0b-4371-addc-ab79ab466fc0/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 21:59:53,330 INFO L229 MonitoredProcess]: Starting monitored process 75 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_619e0115-cc0b-4371-addc-ab79ab466fc0/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 21:59:53,331 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_619e0115-cc0b-4371-addc-ab79ab466fc0/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (75)] Waiting until timeout for monitored process [2024-10-31 21:59:53,332 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 [2024-10-31 21:59:53,343 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-31 21:59:53,343 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-31 21:59:53,343 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-31 21:59:53,344 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-31 21:59:53,346 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-10-31 21:59:53,346 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-10-31 21:59:53,352 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-31 21:59:53,363 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_619e0115-cc0b-4371-addc-ab79ab466fc0/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (75)] Ended with exit code 0 [2024-10-31 21:59:53,363 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 21:59:53,364 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_619e0115-cc0b-4371-addc-ab79ab466fc0/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 21:59:53,364 INFO L229 MonitoredProcess]: Starting monitored process 76 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_619e0115-cc0b-4371-addc-ab79ab466fc0/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 21:59:53,365 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_619e0115-cc0b-4371-addc-ab79ab466fc0/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (76)] Waiting until timeout for monitored process [2024-10-31 21:59:53,366 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 [2024-10-31 21:59:53,377 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-31 21:59:53,377 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-31 21:59:53,377 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-31 21:59:53,377 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-31 21:59:53,379 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-10-31 21:59:53,379 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-10-31 21:59:53,383 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-31 21:59:53,394 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_619e0115-cc0b-4371-addc-ab79ab466fc0/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (76)] Ended with exit code 0 [2024-10-31 21:59:53,394 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 21:59:53,394 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_619e0115-cc0b-4371-addc-ab79ab466fc0/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 21:59:53,395 INFO L229 MonitoredProcess]: Starting monitored process 77 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_619e0115-cc0b-4371-addc-ab79ab466fc0/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 21:59:53,396 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_619e0115-cc0b-4371-addc-ab79ab466fc0/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (77)] Waiting until timeout for monitored process [2024-10-31 21:59:53,397 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 [2024-10-31 21:59:53,408 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-31 21:59:53,408 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-31 21:59:53,408 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-31 21:59:53,408 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-31 21:59:53,411 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-10-31 21:59:53,411 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-10-31 21:59:53,418 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2024-10-31 21:59:53,428 INFO L443 ModelExtractionUtils]: Simplification made 8 calls to the SMT solver. [2024-10-31 21:59:53,429 INFO L444 ModelExtractionUtils]: 1 out of 10 variables were initially zero. Simplification set additionally 7 variables to zero. [2024-10-31 21:59:53,429 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 21:59:53,429 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_619e0115-cc0b-4371-addc-ab79ab466fc0/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 21:59:53,430 INFO L229 MonitoredProcess]: Starting monitored process 78 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_619e0115-cc0b-4371-addc-ab79ab466fc0/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 21:59:53,431 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_619e0115-cc0b-4371-addc-ab79ab466fc0/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (78)] Waiting until timeout for monitored process [2024-10-31 21:59:53,431 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2024-10-31 21:59:53,443 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2024-10-31 21:59:53,443 INFO L474 LassoAnalysis]: Proved termination. [2024-10-31 21:59:53,443 INFO L476 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select (select #memory_int#0 ULTIMATE.start_main_~arr~0#1.base) (+ 16 ULTIMATE.start_main_~arr~0#1.offset))_1) = 1*v_rep(select (select #memory_int#0 ULTIMATE.start_main_~arr~0#1.base) (+ 16 ULTIMATE.start_main_~arr~0#1.offset))_1 Supporting invariants [] [2024-10-31 21:59:53,455 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_619e0115-cc0b-4371-addc-ab79ab466fc0/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (77)] Ended with exit code 0 [2024-10-31 21:59:53,475 INFO L156 tatePredicateManager]: 8 out of 9 supporting invariants were superfluous and have been removed [2024-10-31 21:59:53,476 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_int#0 [2024-10-31 21:59:53,477 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int#0,GLOBAL] [2024-10-31 21:59:53,477 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int#0,GLOBAL],[IdentifierExpression[~arr~0!base,]]] [2024-10-31 21:59:53,497 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 21:59:53,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 21:59:53,525 INFO L255 TraceCheckSpWp]: Trace formula consists of 131 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-10-31 21:59:53,526 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-31 21:59:53,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 21:59:53,675 INFO L255 TraceCheckSpWp]: Trace formula consists of 19 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-10-31 21:59:53,676 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-31 21:59:53,698 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 21:59:53,698 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.6 stem predicates 2 loop predicates [2024-10-31 21:59:53,699 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 52 states and 64 transitions. cyclomatic complexity: 19 Second operand has 8 states, 8 states have (on average 3.75) internal successors, (30), 8 states have internal predecessors, (30), 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) [2024-10-31 21:59:53,735 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 52 states and 64 transitions. cyclomatic complexity: 19. Second operand has 8 states, 8 states have (on average 3.75) internal successors, (30), 8 states have internal predecessors, (30), 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 53 states and 66 transitions. Complement of second has 4 states. [2024-10-31 21:59:53,736 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 2 stem states 0 non-accepting loop states 1 accepting loop states [2024-10-31 21:59:53,736 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8 states, 8 states have (on average 3.75) internal successors, (30), 8 states have internal predecessors, (30), 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) [2024-10-31 21:59:53,736 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 13 transitions. [2024-10-31 21:59:53,736 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 13 transitions. Stem has 44 letters. Loop has 2 letters. [2024-10-31 21:59:53,737 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-10-31 21:59:53,737 INFO L682 stractBuchiCegarLoop]: Bad chosen interpolant automaton: word not accepted [2024-10-31 21:59:53,757 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 21:59:53,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 21:59:53,787 INFO L255 TraceCheckSpWp]: Trace formula consists of 131 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-10-31 21:59:53,788 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-31 21:59:53,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 21:59:53,928 INFO L255 TraceCheckSpWp]: Trace formula consists of 19 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-10-31 21:59:53,928 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-31 21:59:53,948 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 21:59:53,949 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and with honda bouncer for loop.6 stem predicates 2 loop predicates [2024-10-31 21:59:53,949 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 52 states and 64 transitions. cyclomatic complexity: 19 Second operand has 8 states, 8 states have (on average 3.75) internal successors, (30), 8 states have internal predecessors, (30), 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) [2024-10-31 21:59:53,970 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 52 states and 64 transitions. cyclomatic complexity: 19. Second operand has 8 states, 8 states have (on average 3.75) internal successors, (30), 8 states have internal predecessors, (30), 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 53 states and 66 transitions. Complement of second has 4 states. [2024-10-31 21:59:53,970 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 2 stem states 0 non-accepting loop states 1 accepting loop states [2024-10-31 21:59:53,971 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8 states, 8 states have (on average 3.75) internal successors, (30), 8 states have internal predecessors, (30), 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) [2024-10-31 21:59:53,971 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 13 transitions. [2024-10-31 21:59:53,971 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 13 transitions. Stem has 44 letters. Loop has 2 letters. [2024-10-31 21:59:53,971 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-10-31 21:59:53,971 INFO L682 stractBuchiCegarLoop]: Bad chosen interpolant automaton: word not accepted [2024-10-31 21:59:53,990 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 21:59:54,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 21:59:54,018 INFO L255 TraceCheckSpWp]: Trace formula consists of 131 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-10-31 21:59:54,019 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-31 21:59:54,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 21:59:54,168 INFO L255 TraceCheckSpWp]: Trace formula consists of 19 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-10-31 21:59:54,168 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-31 21:59:54,188 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 21:59:54,189 INFO L141 lantAutomatonBouncer]: Defining Buchi interpolant automaton with scrooge nondeterminism in stemwith honda bouncer for stem and without honda bouncer for loop.6 stem predicates 2 loop predicates [2024-10-31 21:59:54,189 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 52 states and 64 transitions. cyclomatic complexity: 19 Second operand has 8 states, 8 states have (on average 3.75) internal successors, (30), 8 states have internal predecessors, (30), 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) [2024-10-31 21:59:54,317 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 52 states and 64 transitions. cyclomatic complexity: 19. Second operand has 8 states, 8 states have (on average 3.75) internal successors, (30), 8 states have internal predecessors, (30), 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 70 states and 89 transitions. Complement of second has 16 states. [2024-10-31 21:59:54,318 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 10 states 6 stem states 2 non-accepting loop states 2 accepting loop states [2024-10-31 21:59:54,318 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8 states, 8 states have (on average 3.75) internal successors, (30), 8 states have internal predecessors, (30), 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) [2024-10-31 21:59:54,319 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 51 transitions. [2024-10-31 21:59:54,319 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 10 states and 51 transitions. Stem has 44 letters. Loop has 2 letters. [2024-10-31 21:59:54,319 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-10-31 21:59:54,319 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 10 states and 51 transitions. Stem has 46 letters. Loop has 2 letters. [2024-10-31 21:59:54,319 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-10-31 21:59:54,319 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 10 states and 51 transitions. Stem has 44 letters. Loop has 4 letters. [2024-10-31 21:59:54,319 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-10-31 21:59:54,320 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 70 states and 89 transitions. [2024-10-31 21:59:54,320 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2024-10-31 21:59:54,321 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 70 states to 65 states and 82 transitions. [2024-10-31 21:59:54,321 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 11 [2024-10-31 21:59:54,321 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 12 [2024-10-31 21:59:54,321 INFO L73 IsDeterministic]: Start isDeterministic. Operand 65 states and 82 transitions. [2024-10-31 21:59:54,321 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2024-10-31 21:59:54,321 INFO L218 hiAutomatonCegarLoop]: Abstraction has 65 states and 82 transitions. [2024-10-31 21:59:54,322 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 65 states and 82 transitions. [2024-10-31 21:59:54,324 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 65 to 57. [2024-10-31 21:59:54,324 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 57 states, 57 states have (on average 1.2280701754385965) internal successors, (70), 56 states have internal predecessors, (70), 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) [2024-10-31 21:59:54,325 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 57 states and 70 transitions. [2024-10-31 21:59:54,325 INFO L240 hiAutomatonCegarLoop]: Abstraction has 57 states and 70 transitions. [2024-10-31 21:59:54,325 INFO L425 stractBuchiCegarLoop]: Abstraction has 57 states and 70 transitions. [2024-10-31 21:59:54,325 INFO L332 stractBuchiCegarLoop]: ======== Iteration 14 ============ [2024-10-31 21:59:54,325 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 57 states and 70 transitions. [2024-10-31 21:59:54,326 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2024-10-31 21:59:54,326 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-10-31 21:59:54,326 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-10-31 21:59:54,327 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [6, 5, 5, 5, 5, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1] [2024-10-31 21:59:54,327 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2024-10-31 21:59:54,327 INFO L745 eck$LassoCheckResult]: Stem: 3858#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 3850#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet2#1, main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_#t~nondet4#1, main_#t~post5#1, main_#t~mem6#1, main_#t~mem7#1, main_#t~post8#1, main_#t~post9#1, main_~i~0#1, main_~j~0#1, main_~val~0#1, main_~length~0#1, main_~arr~0#1.base, main_~arr~0#1.offset;havoc main_~i~0#1;havoc main_~j~0#1;havoc main_~val~0#1;havoc main_#t~nondet2#1;main_~length~0#1 := main_#t~nondet2#1;havoc main_#t~nondet2#1; 3851#L516 assume !(main_~length~0#1 < 1 || main_~length~0#1 % 4294967296 >= 536870911); 3859#L516-2 call main_#t~malloc3#1.base, main_#t~malloc3#1.offset := #Ultimate.allocOnStack(4 * main_~length~0#1 % 4294967296);main_~arr~0#1.base, main_~arr~0#1.offset := main_#t~malloc3#1.base, main_#t~malloc3#1.offset; 3852#L518 assume !(main_~arr~0#1.base == 0 && main_~arr~0#1.offset == 0);main_~i~0#1 := 0; 3853#L519-3 assume !!(main_~i~0#1 < main_~length~0#1);havoc main_#t~nondet4#1;main_~val~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1; 3854#L521 assume !(main_~val~0#1 < 0); 3846#L521-2 call write~int#0(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 3847#L519-2 main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1; 3855#L519-3 assume !!(main_~i~0#1 < main_~length~0#1);havoc main_#t~nondet4#1;main_~val~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1; 3856#L521 assume !(main_~val~0#1 < 0); 3876#L521-2 call write~int#0(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 3848#L519-2 main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1; 3849#L519-3 assume !!(main_~i~0#1 < main_~length~0#1);havoc main_#t~nondet4#1;main_~val~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1; 3872#L521 assume !(main_~val~0#1 < 0); 3871#L521-2 call write~int#0(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 3870#L519-2 main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1; 3869#L519-3 assume !!(main_~i~0#1 < main_~length~0#1);havoc main_#t~nondet4#1;main_~val~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1; 3868#L521 assume !(main_~val~0#1 < 0); 3867#L521-2 call write~int#0(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 3866#L519-2 main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1; 3865#L519-3 assume !!(main_~i~0#1 < main_~length~0#1);havoc main_#t~nondet4#1;main_~val~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1; 3862#L521 assume !(main_~val~0#1 < 0); 3864#L521-2 call write~int#0(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 3863#L519-2 main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1; 3861#L519-3 assume !(main_~i~0#1 < main_~length~0#1); 3860#L519-4 main_~j~0#1 := 0; 3843#L526-3 assume !!(main_~j~0#1 < main_~length~0#1); 3844#L527-3 call main_#t~mem6#1 := read~int#0(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 3892#L527-1 assume !(main_#t~mem6#1 > 0);havoc main_#t~mem6#1; 3891#L526-2 main_#t~post9#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post9#1;havoc main_#t~post9#1; 3845#L526-3 assume !!(main_~j~0#1 < main_~length~0#1); 3842#L527-3 call main_#t~mem6#1 := read~int#0(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 3857#L527-1 assume !(main_#t~mem6#1 > 0);havoc main_#t~mem6#1; 3837#L526-2 main_#t~post9#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post9#1;havoc main_#t~post9#1; 3838#L526-3 assume !!(main_~j~0#1 < main_~length~0#1); 3889#L527-3 call main_#t~mem6#1 := read~int#0(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 3888#L527-1 assume !(main_#t~mem6#1 > 0);havoc main_#t~mem6#1; 3887#L526-2 main_#t~post9#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post9#1;havoc main_#t~post9#1; 3886#L526-3 assume !!(main_~j~0#1 < main_~length~0#1); 3884#L527-3 call main_#t~mem6#1 := read~int#0(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 3883#L527-1 assume !(main_#t~mem6#1 > 0);havoc main_#t~mem6#1; 3882#L526-2 main_#t~post9#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post9#1;havoc main_#t~post9#1; 3881#L526-3 assume !!(main_~j~0#1 < main_~length~0#1); 3880#L527-3 call main_#t~mem6#1 := read~int#0(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 3877#L527-1 assume !(main_#t~mem6#1 > 0);havoc main_#t~mem6#1; 3875#L526-2 main_#t~post9#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post9#1;havoc main_#t~post9#1; 3873#L526-3 assume !!(main_~j~0#1 < main_~length~0#1); 3840#L527-3 [2024-10-31 21:59:54,327 INFO L747 eck$LassoCheckResult]: Loop: 3840#L527-3 call main_#t~mem6#1 := read~int#0(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 3839#L527-1 assume !!(main_#t~mem6#1 > 0);havoc main_#t~mem6#1;call main_#t~mem7#1 := read~int#0(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4);main_#t~post8#1 := main_#t~mem7#1;call write~int#0(main_#t~post8#1 - 1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4);havoc main_#t~mem7#1;havoc main_#t~post8#1; 3840#L527-3 [2024-10-31 21:59:54,328 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 21:59:54,328 INFO L85 PathProgramCache]: Analyzing trace with hash -1637690471, now seen corresponding path program 10 times [2024-10-31 21:59:54,328 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 21:59:54,328 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [381311628] [2024-10-31 21:59:54,328 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 21:59:54,329 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 21:59:54,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 21:59:54,503 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_619e0115-cc0b-4371-addc-ab79ab466fc0/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (78)] Ended with exit code 0 [2024-10-31 21:59:54,629 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 28 proven. 62 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 21:59:54,629 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 21:59:54,629 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [381311628] [2024-10-31 21:59:54,629 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [381311628] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-31 21:59:54,629 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [939631954] [2024-10-31 21:59:54,630 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-10-31 21:59:54,630 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-31 21:59:54,630 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_619e0115-cc0b-4371-addc-ab79ab466fc0/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 21:59:54,632 INFO L229 MonitoredProcess]: Starting monitored process 79 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_619e0115-cc0b-4371-addc-ab79ab466fc0/bin/uautomizer-verify-4GaUIPS5ZU/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-31 21:59:54,633 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_619e0115-cc0b-4371-addc-ab79ab466fc0/bin/uautomizer-verify-4GaUIPS5ZU/z3 -smt2 -in SMTLIB2_COMPLIANT=true (79)] Waiting until timeout for monitored process [2024-10-31 21:59:54,714 INFO L227 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-10-31 21:59:54,714 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-31 21:59:54,715 INFO L255 TraceCheckSpWp]: Trace formula consists of 123 conjuncts, 14 conjuncts are in the unsatisfiable core [2024-10-31 21:59:54,716 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-31 21:59:54,934 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 45 proven. 45 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 21:59:54,934 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-31 21:59:55,095 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 45 proven. 45 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 21:59:55,095 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [939631954] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-31 21:59:55,095 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-31 21:59:55,095 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 14, 14] total 22 [2024-10-31 21:59:55,095 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1771608332] [2024-10-31 21:59:55,095 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-31 21:59:55,096 INFO L750 eck$LassoCheckResult]: stem already infeasible [2024-10-31 21:59:55,096 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 21:59:55,096 INFO L85 PathProgramCache]: Analyzing trace with hash 2502, now seen corresponding path program 10 times [2024-10-31 21:59:55,096 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 21:59:55,096 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2077002831] [2024-10-31 21:59:55,096 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 21:59:55,096 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 21:59:55,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 21:59:55,101 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-31 21:59:55,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 21:59:55,104 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-31 21:59:55,145 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 21:59:55,146 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2024-10-31 21:59:55,146 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=124, Invalid=382, Unknown=0, NotChecked=0, Total=506 [2024-10-31 21:59:55,146 INFO L87 Difference]: Start difference. First operand 57 states and 70 transitions. cyclomatic complexity: 21 Second operand has 23 states, 22 states have (on average 3.6363636363636362) internal successors, (80), 23 states have internal predecessors, (80), 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) [2024-10-31 21:59:55,336 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-31 21:59:55,336 INFO L93 Difference]: Finished difference Result 91 states and 111 transitions. [2024-10-31 21:59:55,336 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 91 states and 111 transitions. [2024-10-31 21:59:55,337 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2024-10-31 21:59:55,337 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 91 states to 64 states and 79 transitions. [2024-10-31 21:59:55,337 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 10 [2024-10-31 21:59:55,338 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 10 [2024-10-31 21:59:55,338 INFO L73 IsDeterministic]: Start isDeterministic. Operand 64 states and 79 transitions. [2024-10-31 21:59:55,338 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2024-10-31 21:59:55,338 INFO L218 hiAutomatonCegarLoop]: Abstraction has 64 states and 79 transitions. [2024-10-31 21:59:55,338 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 64 states and 79 transitions. [2024-10-31 21:59:55,340 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 64 to 61. [2024-10-31 21:59:55,341 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 61 states, 61 states have (on average 1.2295081967213115) internal successors, (75), 60 states have internal predecessors, (75), 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) [2024-10-31 21:59:55,341 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 61 states and 75 transitions. [2024-10-31 21:59:55,341 INFO L240 hiAutomatonCegarLoop]: Abstraction has 61 states and 75 transitions. [2024-10-31 21:59:55,342 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-10-31 21:59:55,343 INFO L425 stractBuchiCegarLoop]: Abstraction has 61 states and 75 transitions. [2024-10-31 21:59:55,343 INFO L332 stractBuchiCegarLoop]: ======== Iteration 15 ============ [2024-10-31 21:59:55,343 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 61 states and 75 transitions. [2024-10-31 21:59:55,343 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2024-10-31 21:59:55,343 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-10-31 21:59:55,343 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-10-31 21:59:55,344 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [6, 6, 6, 6, 6, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1] [2024-10-31 21:59:55,344 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2024-10-31 21:59:55,345 INFO L745 eck$LassoCheckResult]: Stem: 4312#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 4305#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet2#1, main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_#t~nondet4#1, main_#t~post5#1, main_#t~mem6#1, main_#t~mem7#1, main_#t~post8#1, main_#t~post9#1, main_~i~0#1, main_~j~0#1, main_~val~0#1, main_~length~0#1, main_~arr~0#1.base, main_~arr~0#1.offset;havoc main_~i~0#1;havoc main_~j~0#1;havoc main_~val~0#1;havoc main_#t~nondet2#1;main_~length~0#1 := main_#t~nondet2#1;havoc main_#t~nondet2#1; 4306#L516 assume !(main_~length~0#1 < 1 || main_~length~0#1 % 4294967296 >= 536870911); 4313#L516-2 call main_#t~malloc3#1.base, main_#t~malloc3#1.offset := #Ultimate.allocOnStack(4 * main_~length~0#1 % 4294967296);main_~arr~0#1.base, main_~arr~0#1.offset := main_#t~malloc3#1.base, main_#t~malloc3#1.offset; 4307#L518 assume !(main_~arr~0#1.base == 0 && main_~arr~0#1.offset == 0);main_~i~0#1 := 0; 4308#L519-3 assume !!(main_~i~0#1 < main_~length~0#1);havoc main_#t~nondet4#1;main_~val~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1; 4309#L521 assume !(main_~val~0#1 < 0); 4302#L521-2 call write~int#0(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 4303#L519-2 main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1; 4304#L519-3 assume !!(main_~i~0#1 < main_~length~0#1);havoc main_#t~nondet4#1;main_~val~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1; 4310#L521 assume !(main_~val~0#1 < 0); 4353#L521-2 call write~int#0(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 4352#L519-2 main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1; 4351#L519-3 assume !!(main_~i~0#1 < main_~length~0#1);havoc main_#t~nondet4#1;main_~val~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1; 4350#L521 assume !(main_~val~0#1 < 0); 4349#L521-2 call write~int#0(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 4348#L519-2 main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1; 4347#L519-3 assume !!(main_~i~0#1 < main_~length~0#1);havoc main_#t~nondet4#1;main_~val~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1; 4346#L521 assume !(main_~val~0#1 < 0); 4345#L521-2 call write~int#0(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 4344#L519-2 main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1; 4343#L519-3 assume !!(main_~i~0#1 < main_~length~0#1);havoc main_#t~nondet4#1;main_~val~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1; 4342#L521 assume !(main_~val~0#1 < 0); 4341#L521-2 call write~int#0(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 4340#L519-2 main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1; 4339#L519-3 assume !!(main_~i~0#1 < main_~length~0#1);havoc main_#t~nondet4#1;main_~val~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1; 4316#L521 assume !(main_~val~0#1 < 0); 4322#L521-2 call write~int#0(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 4317#L519-2 main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1; 4315#L519-3 assume !(main_~i~0#1 < main_~length~0#1); 4314#L519-4 main_~j~0#1 := 0; 4299#L526-3 assume !!(main_~j~0#1 < main_~length~0#1); 4300#L527-3 call main_#t~mem6#1 := read~int#0(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 4337#L527-1 assume !(main_#t~mem6#1 > 0);havoc main_#t~mem6#1; 4336#L526-2 main_#t~post9#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post9#1;havoc main_#t~post9#1; 4301#L526-3 assume !!(main_~j~0#1 < main_~length~0#1); 4298#L527-3 call main_#t~mem6#1 := read~int#0(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 4311#L527-1 assume !(main_#t~mem6#1 > 0);havoc main_#t~mem6#1; 4293#L526-2 main_#t~post9#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post9#1;havoc main_#t~post9#1; 4294#L526-3 assume !!(main_~j~0#1 < main_~length~0#1); 4334#L527-3 call main_#t~mem6#1 := read~int#0(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 4333#L527-1 assume !(main_#t~mem6#1 > 0);havoc main_#t~mem6#1; 4332#L526-2 main_#t~post9#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post9#1;havoc main_#t~post9#1; 4331#L526-3 assume !!(main_~j~0#1 < main_~length~0#1); 4329#L527-3 call main_#t~mem6#1 := read~int#0(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 4328#L527-1 assume !(main_#t~mem6#1 > 0);havoc main_#t~mem6#1; 4327#L526-2 main_#t~post9#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post9#1;havoc main_#t~post9#1; 4326#L526-3 assume !!(main_~j~0#1 < main_~length~0#1); 4325#L527-3 call main_#t~mem6#1 := read~int#0(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 4321#L527-1 assume !(main_#t~mem6#1 > 0);havoc main_#t~mem6#1; 4320#L526-2 main_#t~post9#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post9#1;havoc main_#t~post9#1; 4318#L526-3 assume !!(main_~j~0#1 < main_~length~0#1); 4296#L527-3 [2024-10-31 21:59:55,345 INFO L747 eck$LassoCheckResult]: Loop: 4296#L527-3 call main_#t~mem6#1 := read~int#0(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 4295#L527-1 assume !!(main_#t~mem6#1 > 0);havoc main_#t~mem6#1;call main_#t~mem7#1 := read~int#0(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4);main_#t~post8#1 := main_#t~mem7#1;call write~int#0(main_#t~post8#1 - 1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4);havoc main_#t~mem7#1;havoc main_#t~post8#1; 4296#L527-3 [2024-10-31 21:59:55,345 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 21:59:55,345 INFO L85 PathProgramCache]: Analyzing trace with hash 618476690, now seen corresponding path program 11 times [2024-10-31 21:59:55,346 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 21:59:55,346 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [810381807] [2024-10-31 21:59:55,346 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 21:59:55,346 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 21:59:55,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 21:59:55,371 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-31 21:59:55,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 21:59:55,393 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-31 21:59:55,393 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 21:59:55,393 INFO L85 PathProgramCache]: Analyzing trace with hash 2502, now seen corresponding path program 11 times [2024-10-31 21:59:55,394 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 21:59:55,394 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [835416927] [2024-10-31 21:59:55,394 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 21:59:55,394 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 21:59:55,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 21:59:55,397 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-31 21:59:55,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 21:59:55,400 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-31 21:59:55,401 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 21:59:55,401 INFO L85 PathProgramCache]: Analyzing trace with hash 1650613783, now seen corresponding path program 5 times [2024-10-31 21:59:55,401 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 21:59:55,401 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [995958623] [2024-10-31 21:59:55,402 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 21:59:55,402 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 21:59:55,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 21:59:55,429 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-31 21:59:55,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 21:59:55,450 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-31 21:59:57,907 INFO L204 LassoAnalysis]: Preferences: [2024-10-31 21:59:57,907 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-10-31 21:59:57,907 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-10-31 21:59:57,907 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-10-31 21:59:57,907 INFO L128 ssoRankerPreferences]: Use exernal solver: false [2024-10-31 21:59:57,907 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 21:59:57,907 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-10-31 21:59:57,908 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-10-31 21:59:57,908 INFO L132 ssoRankerPreferences]: Filename of dumped script: count_down-alloca-1.i_Iteration15_Lasso [2024-10-31 21:59:57,908 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-10-31 21:59:57,908 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-10-31 21:59:57,910 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 21:59:57,912 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 21:59:57,915 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 21:59:57,918 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 21:59:57,920 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 21:59:57,924 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 21:59:57,927 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 21:59:57,929 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 21:59:57,932 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 21:59:57,934 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 21:59:57,938 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 21:59:57,940 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 21:59:57,942 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 21:59:57,944 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 21:59:58,717 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 21:59:59,166 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-10-31 21:59:59,167 INFO L451 LassoAnalysis]: Using template 'affine'. [2024-10-31 21:59:59,167 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 21:59:59,167 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_619e0115-cc0b-4371-addc-ab79ab466fc0/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 21:59:59,172 INFO L229 MonitoredProcess]: Starting monitored process 80 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_619e0115-cc0b-4371-addc-ab79ab466fc0/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 21:59:59,178 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 [2024-10-31 21:59:59,182 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_619e0115-cc0b-4371-addc-ab79ab466fc0/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (80)] Waiting until timeout for monitored process [2024-10-31 21:59:59,193 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-31 21:59:59,193 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-31 21:59:59,194 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-31 21:59:59,194 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-31 21:59:59,194 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-31 21:59:59,194 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-31 21:59:59,195 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-31 21:59:59,197 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-31 21:59:59,210 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_619e0115-cc0b-4371-addc-ab79ab466fc0/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (80)] Forceful destruction successful, exit code 0 [2024-10-31 21:59:59,211 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 21:59:59,211 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_619e0115-cc0b-4371-addc-ab79ab466fc0/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 21:59:59,212 INFO L229 MonitoredProcess]: Starting monitored process 81 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_619e0115-cc0b-4371-addc-ab79ab466fc0/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 21:59:59,212 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_619e0115-cc0b-4371-addc-ab79ab466fc0/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (81)] Waiting until timeout for monitored process [2024-10-31 21:59:59,213 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 [2024-10-31 21:59:59,225 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-31 21:59:59,226 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-31 21:59:59,226 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-31 21:59:59,226 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-31 21:59:59,226 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-31 21:59:59,226 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-31 21:59:59,226 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-31 21:59:59,227 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-31 21:59:59,241 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_619e0115-cc0b-4371-addc-ab79ab466fc0/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (81)] Ended with exit code 0 [2024-10-31 21:59:59,241 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 21:59:59,241 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_619e0115-cc0b-4371-addc-ab79ab466fc0/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 21:59:59,242 INFO L229 MonitoredProcess]: Starting monitored process 82 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_619e0115-cc0b-4371-addc-ab79ab466fc0/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 21:59:59,243 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_619e0115-cc0b-4371-addc-ab79ab466fc0/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (82)] Waiting until timeout for monitored process [2024-10-31 21:59:59,244 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 [2024-10-31 21:59:59,255 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-31 21:59:59,255 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-31 21:59:59,255 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-31 21:59:59,255 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-31 21:59:59,255 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-31 21:59:59,256 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-31 21:59:59,256 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-31 21:59:59,260 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-31 21:59:59,276 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_619e0115-cc0b-4371-addc-ab79ab466fc0/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (82)] Ended with exit code 0 [2024-10-31 21:59:59,276 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 21:59:59,276 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_619e0115-cc0b-4371-addc-ab79ab466fc0/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 21:59:59,277 INFO L229 MonitoredProcess]: Starting monitored process 83 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_619e0115-cc0b-4371-addc-ab79ab466fc0/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 21:59:59,278 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_619e0115-cc0b-4371-addc-ab79ab466fc0/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (83)] Waiting until timeout for monitored process [2024-10-31 21:59:59,278 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 [2024-10-31 21:59:59,289 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-31 21:59:59,289 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-31 21:59:59,289 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-31 21:59:59,289 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-31 21:59:59,289 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-31 21:59:59,290 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-31 21:59:59,290 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-31 21:59:59,292 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-31 21:59:59,304 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_619e0115-cc0b-4371-addc-ab79ab466fc0/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (83)] Ended with exit code 0 [2024-10-31 21:59:59,305 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 21:59:59,305 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_619e0115-cc0b-4371-addc-ab79ab466fc0/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 21:59:59,306 INFO L229 MonitoredProcess]: Starting monitored process 84 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_619e0115-cc0b-4371-addc-ab79ab466fc0/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 21:59:59,307 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_619e0115-cc0b-4371-addc-ab79ab466fc0/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (84)] Waiting until timeout for monitored process [2024-10-31 21:59:59,307 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 [2024-10-31 21:59:59,318 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-31 21:59:59,318 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-31 21:59:59,318 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-31 21:59:59,318 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-31 21:59:59,320 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-10-31 21:59:59,320 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-10-31 21:59:59,323 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-31 21:59:59,334 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_619e0115-cc0b-4371-addc-ab79ab466fc0/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (84)] Ended with exit code 0 [2024-10-31 21:59:59,334 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 21:59:59,335 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_619e0115-cc0b-4371-addc-ab79ab466fc0/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 21:59:59,336 INFO L229 MonitoredProcess]: Starting monitored process 85 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_619e0115-cc0b-4371-addc-ab79ab466fc0/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 21:59:59,337 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_619e0115-cc0b-4371-addc-ab79ab466fc0/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (85)] Waiting until timeout for monitored process [2024-10-31 21:59:59,337 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 [2024-10-31 21:59:59,349 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-31 21:59:59,349 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-31 21:59:59,349 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-31 21:59:59,349 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-31 21:59:59,349 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-31 21:59:59,350 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-31 21:59:59,350 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-31 21:59:59,351 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-31 21:59:59,373 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_619e0115-cc0b-4371-addc-ab79ab466fc0/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (85)] Forceful destruction successful, exit code 0 [2024-10-31 21:59:59,373 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 21:59:59,373 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_619e0115-cc0b-4371-addc-ab79ab466fc0/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 21:59:59,375 INFO L229 MonitoredProcess]: Starting monitored process 86 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_619e0115-cc0b-4371-addc-ab79ab466fc0/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 21:59:59,378 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_619e0115-cc0b-4371-addc-ab79ab466fc0/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (86)] Waiting until timeout for monitored process [2024-10-31 21:59:59,379 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 [2024-10-31 21:59:59,394 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-31 21:59:59,394 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-31 21:59:59,394 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-31 21:59:59,394 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-31 21:59:59,394 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-31 21:59:59,395 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-31 21:59:59,395 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-31 21:59:59,397 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-31 21:59:59,418 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_619e0115-cc0b-4371-addc-ab79ab466fc0/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (86)] Forceful destruction successful, exit code 0 [2024-10-31 21:59:59,418 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 21:59:59,418 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_619e0115-cc0b-4371-addc-ab79ab466fc0/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 21:59:59,420 INFO L229 MonitoredProcess]: Starting monitored process 87 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_619e0115-cc0b-4371-addc-ab79ab466fc0/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 21:59:59,422 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_619e0115-cc0b-4371-addc-ab79ab466fc0/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (87)] Waiting until timeout for monitored process [2024-10-31 21:59:59,423 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 [2024-10-31 21:59:59,437 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-31 21:59:59,437 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-31 21:59:59,438 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-31 21:59:59,438 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-31 21:59:59,438 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-31 21:59:59,438 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-31 21:59:59,439 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-31 21:59:59,440 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-31 21:59:59,459 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_619e0115-cc0b-4371-addc-ab79ab466fc0/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (87)] Forceful destruction successful, exit code 0 [2024-10-31 21:59:59,460 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 21:59:59,460 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_619e0115-cc0b-4371-addc-ab79ab466fc0/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 21:59:59,462 INFO L229 MonitoredProcess]: Starting monitored process 88 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_619e0115-cc0b-4371-addc-ab79ab466fc0/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 21:59:59,464 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 [2024-10-31 21:59:59,467 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_619e0115-cc0b-4371-addc-ab79ab466fc0/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (88)] Waiting until timeout for monitored process [2024-10-31 21:59:59,478 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-31 21:59:59,478 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-31 21:59:59,479 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-31 21:59:59,479 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-31 21:59:59,479 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-31 21:59:59,479 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-31 21:59:59,479 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-31 21:59:59,481 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-31 21:59:59,500 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_619e0115-cc0b-4371-addc-ab79ab466fc0/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (88)] Forceful destruction successful, exit code 0 [2024-10-31 21:59:59,500 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 21:59:59,500 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_619e0115-cc0b-4371-addc-ab79ab466fc0/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 21:59:59,502 INFO L229 MonitoredProcess]: Starting monitored process 89 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_619e0115-cc0b-4371-addc-ab79ab466fc0/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 21:59:59,503 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_619e0115-cc0b-4371-addc-ab79ab466fc0/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (89)] Waiting until timeout for monitored process [2024-10-31 21:59:59,504 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 [2024-10-31 21:59:59,518 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-31 21:59:59,519 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-31 21:59:59,519 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-31 21:59:59,519 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-31 21:59:59,520 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-10-31 21:59:59,520 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-10-31 21:59:59,524 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-31 21:59:59,544 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_619e0115-cc0b-4371-addc-ab79ab466fc0/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (89)] Forceful destruction successful, exit code 0 [2024-10-31 21:59:59,544 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 21:59:59,545 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_619e0115-cc0b-4371-addc-ab79ab466fc0/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 21:59:59,547 INFO L229 MonitoredProcess]: Starting monitored process 90 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_619e0115-cc0b-4371-addc-ab79ab466fc0/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 21:59:59,548 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_619e0115-cc0b-4371-addc-ab79ab466fc0/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (90)] Waiting until timeout for monitored process [2024-10-31 21:59:59,550 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 [2024-10-31 21:59:59,565 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-31 21:59:59,565 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-31 21:59:59,565 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-31 21:59:59,566 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-31 21:59:59,566 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-31 21:59:59,566 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-31 21:59:59,566 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-31 21:59:59,568 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-31 21:59:59,587 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_619e0115-cc0b-4371-addc-ab79ab466fc0/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (90)] Ended with exit code 0 [2024-10-31 21:59:59,587 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 21:59:59,587 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_619e0115-cc0b-4371-addc-ab79ab466fc0/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 21:59:59,588 INFO L229 MonitoredProcess]: Starting monitored process 91 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_619e0115-cc0b-4371-addc-ab79ab466fc0/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 21:59:59,589 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_619e0115-cc0b-4371-addc-ab79ab466fc0/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (91)] Waiting until timeout for monitored process [2024-10-31 21:59:59,590 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 [2024-10-31 21:59:59,602 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-31 21:59:59,602 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-31 21:59:59,602 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-31 21:59:59,602 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-31 21:59:59,602 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-31 21:59:59,602 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-31 21:59:59,602 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-31 21:59:59,604 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-31 21:59:59,617 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_619e0115-cc0b-4371-addc-ab79ab466fc0/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (91)] Ended with exit code 0 [2024-10-31 21:59:59,617 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 21:59:59,617 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_619e0115-cc0b-4371-addc-ab79ab466fc0/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 21:59:59,650 INFO L229 MonitoredProcess]: Starting monitored process 92 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_619e0115-cc0b-4371-addc-ab79ab466fc0/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 21:59:59,651 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_619e0115-cc0b-4371-addc-ab79ab466fc0/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (92)] Waiting until timeout for monitored process [2024-10-31 21:59:59,651 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 [2024-10-31 21:59:59,674 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-31 21:59:59,674 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-31 21:59:59,675 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-31 21:59:59,675 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-31 21:59:59,675 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-31 21:59:59,675 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-31 21:59:59,676 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-31 21:59:59,679 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-31 21:59:59,693 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_619e0115-cc0b-4371-addc-ab79ab466fc0/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (92)] Forceful destruction successful, exit code 0 [2024-10-31 21:59:59,693 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 21:59:59,693 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_619e0115-cc0b-4371-addc-ab79ab466fc0/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 21:59:59,695 INFO L229 MonitoredProcess]: Starting monitored process 93 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_619e0115-cc0b-4371-addc-ab79ab466fc0/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 21:59:59,697 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_619e0115-cc0b-4371-addc-ab79ab466fc0/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (93)] Waiting until timeout for monitored process [2024-10-31 21:59:59,697 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 [2024-10-31 21:59:59,712 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-31 21:59:59,712 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-31 21:59:59,712 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-31 21:59:59,713 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-31 21:59:59,714 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-10-31 21:59:59,714 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-10-31 21:59:59,718 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-31 21:59:59,737 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_619e0115-cc0b-4371-addc-ab79ab466fc0/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (93)] Forceful destruction successful, exit code 0 [2024-10-31 21:59:59,738 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 21:59:59,738 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_619e0115-cc0b-4371-addc-ab79ab466fc0/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 21:59:59,741 INFO L229 MonitoredProcess]: Starting monitored process 94 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_619e0115-cc0b-4371-addc-ab79ab466fc0/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 21:59:59,743 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_619e0115-cc0b-4371-addc-ab79ab466fc0/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (94)] Waiting until timeout for monitored process [2024-10-31 21:59:59,743 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-10-31 21:59:59,758 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-31 21:59:59,758 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-31 21:59:59,758 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-31 21:59:59,758 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-31 21:59:59,761 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-10-31 21:59:59,761 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-10-31 21:59:59,767 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-31 21:59:59,782 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_619e0115-cc0b-4371-addc-ab79ab466fc0/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (94)] Forceful destruction successful, exit code 0 [2024-10-31 21:59:59,783 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 21:59:59,783 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_619e0115-cc0b-4371-addc-ab79ab466fc0/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 21:59:59,784 INFO L229 MonitoredProcess]: Starting monitored process 95 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_619e0115-cc0b-4371-addc-ab79ab466fc0/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 21:59:59,785 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_619e0115-cc0b-4371-addc-ab79ab466fc0/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (95)] Waiting until timeout for monitored process [2024-10-31 21:59:59,786 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 [2024-10-31 21:59:59,798 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-31 21:59:59,798 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-31 21:59:59,799 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-31 21:59:59,799 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-31 21:59:59,803 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-10-31 21:59:59,803 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-10-31 21:59:59,812 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-31 21:59:59,831 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_619e0115-cc0b-4371-addc-ab79ab466fc0/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (95)] Forceful destruction successful, exit code 0 [2024-10-31 21:59:59,832 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 21:59:59,832 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_619e0115-cc0b-4371-addc-ab79ab466fc0/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 21:59:59,834 INFO L229 MonitoredProcess]: Starting monitored process 96 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_619e0115-cc0b-4371-addc-ab79ab466fc0/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 21:59:59,835 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_619e0115-cc0b-4371-addc-ab79ab466fc0/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (96)] Waiting until timeout for monitored process [2024-10-31 21:59:59,836 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 [2024-10-31 21:59:59,851 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-31 21:59:59,851 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-31 21:59:59,851 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-31 21:59:59,851 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-31 21:59:59,853 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-10-31 21:59:59,853 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-10-31 21:59:59,860 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-31 21:59:59,879 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_619e0115-cc0b-4371-addc-ab79ab466fc0/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (96)] Forceful destruction successful, exit code 0 [2024-10-31 21:59:59,879 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 21:59:59,879 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_619e0115-cc0b-4371-addc-ab79ab466fc0/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 21:59:59,880 INFO L229 MonitoredProcess]: Starting monitored process 97 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_619e0115-cc0b-4371-addc-ab79ab466fc0/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 21:59:59,882 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_619e0115-cc0b-4371-addc-ab79ab466fc0/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (97)] Waiting until timeout for monitored process [2024-10-31 21:59:59,883 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 [2024-10-31 21:59:59,898 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-31 21:59:59,898 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-31 21:59:59,898 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-31 21:59:59,898 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-31 21:59:59,901 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-10-31 21:59:59,901 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-10-31 21:59:59,908 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-31 21:59:59,927 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_619e0115-cc0b-4371-addc-ab79ab466fc0/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (97)] Forceful destruction successful, exit code 0 [2024-10-31 21:59:59,927 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 21:59:59,927 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_619e0115-cc0b-4371-addc-ab79ab466fc0/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 21:59:59,930 INFO L229 MonitoredProcess]: Starting monitored process 98 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_619e0115-cc0b-4371-addc-ab79ab466fc0/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 21:59:59,931 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_619e0115-cc0b-4371-addc-ab79ab466fc0/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (98)] Waiting until timeout for monitored process [2024-10-31 21:59:59,932 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 [2024-10-31 21:59:59,947 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-31 21:59:59,947 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-31 21:59:59,947 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-31 21:59:59,947 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-31 21:59:59,949 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-10-31 21:59:59,949 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-10-31 21:59:59,953 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-31 21:59:59,965 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_619e0115-cc0b-4371-addc-ab79ab466fc0/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (98)] Forceful destruction successful, exit code 0 [2024-10-31 21:59:59,966 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 21:59:59,966 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_619e0115-cc0b-4371-addc-ab79ab466fc0/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 21:59:59,967 INFO L229 MonitoredProcess]: Starting monitored process 99 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_619e0115-cc0b-4371-addc-ab79ab466fc0/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 21:59:59,968 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_619e0115-cc0b-4371-addc-ab79ab466fc0/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (99)] Waiting until timeout for monitored process [2024-10-31 21:59:59,968 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 [2024-10-31 21:59:59,980 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-31 21:59:59,980 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-31 21:59:59,980 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-31 21:59:59,981 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-31 21:59:59,984 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-10-31 21:59:59,984 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-10-31 21:59:59,990 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-31 22:00:00,010 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_619e0115-cc0b-4371-addc-ab79ab466fc0/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (99)] Forceful destruction successful, exit code 0 [2024-10-31 22:00:00,011 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 22:00:00,011 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_619e0115-cc0b-4371-addc-ab79ab466fc0/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:00:00,014 INFO L229 MonitoredProcess]: Starting monitored process 100 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_619e0115-cc0b-4371-addc-ab79ab466fc0/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 22:00:00,015 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_619e0115-cc0b-4371-addc-ab79ab466fc0/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (100)] Waiting until timeout for monitored process [2024-10-31 22:00:00,017 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 [2024-10-31 22:00:00,033 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-31 22:00:00,033 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-31 22:00:00,034 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-31 22:00:00,034 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-31 22:00:00,037 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-10-31 22:00:00,037 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-10-31 22:00:00,045 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-31 22:00:00,058 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_619e0115-cc0b-4371-addc-ab79ab466fc0/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (100)] Ended with exit code 0 [2024-10-31 22:00:00,058 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 22:00:00,059 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_619e0115-cc0b-4371-addc-ab79ab466fc0/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:00:00,059 INFO L229 MonitoredProcess]: Starting monitored process 101 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_619e0115-cc0b-4371-addc-ab79ab466fc0/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 22:00:00,060 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_619e0115-cc0b-4371-addc-ab79ab466fc0/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (101)] Waiting until timeout for monitored process [2024-10-31 22:00:00,061 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 [2024-10-31 22:00:00,073 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-31 22:00:00,073 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-31 22:00:00,073 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-31 22:00:00,073 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-31 22:00:00,076 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-10-31 22:00:00,076 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-10-31 22:00:00,082 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2024-10-31 22:00:00,089 INFO L443 ModelExtractionUtils]: Simplification made 4 calls to the SMT solver. [2024-10-31 22:00:00,089 INFO L444 ModelExtractionUtils]: 5 out of 10 variables were initially zero. Simplification set additionally 3 variables to zero. [2024-10-31 22:00:00,089 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 22:00:00,090 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_619e0115-cc0b-4371-addc-ab79ab466fc0/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:00:00,091 INFO L229 MonitoredProcess]: Starting monitored process 102 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_619e0115-cc0b-4371-addc-ab79ab466fc0/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 22:00:00,092 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_619e0115-cc0b-4371-addc-ab79ab466fc0/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (102)] Waiting until timeout for monitored process [2024-10-31 22:00:00,092 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2024-10-31 22:00:00,104 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2024-10-31 22:00:00,104 INFO L474 LassoAnalysis]: Proved termination. [2024-10-31 22:00:00,104 INFO L476 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select (select #memory_int#0 ULTIMATE.start_main_~arr~0#1.base) 20)_1) = 1*v_rep(select (select #memory_int#0 ULTIMATE.start_main_~arr~0#1.base) 20)_1 Supporting invariants [] [2024-10-31 22:00:00,121 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_619e0115-cc0b-4371-addc-ab79ab466fc0/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (101)] Ended with exit code 0 [2024-10-31 22:00:00,200 INFO L156 tatePredicateManager]: 24 out of 25 supporting invariants were superfluous and have been removed [2024-10-31 22:00:00,202 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_int#0 [2024-10-31 22:00:00,202 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int#0,GLOBAL] [2024-10-31 22:00:00,202 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int#0,GLOBAL],[IdentifierExpression[~arr~0!base,]]] [2024-10-31 22:00:00,226 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:00:00,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:00:00,263 INFO L255 TraceCheckSpWp]: Trace formula consists of 153 conjuncts, 18 conjuncts are in the unsatisfiable core [2024-10-31 22:00:00,264 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-31 22:00:00,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:00:00,571 INFO L255 TraceCheckSpWp]: Trace formula consists of 19 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-10-31 22:00:00,571 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-31 22:00:00,600 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 22:00:00,601 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.8 stem predicates 2 loop predicates [2024-10-31 22:00:00,601 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 61 states and 75 transitions. cyclomatic complexity: 22 Second operand has 10 states, 10 states have (on average 3.4) internal successors, (34), 10 states have internal predecessors, (34), 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) [2024-10-31 22:00:00,642 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 61 states and 75 transitions. cyclomatic complexity: 22. Second operand has 10 states, 10 states have (on average 3.4) internal successors, (34), 10 states have internal predecessors, (34), 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 62 states and 77 transitions. Complement of second has 5 states. [2024-10-31 22:00:00,642 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 3 stem states 0 non-accepting loop states 1 accepting loop states [2024-10-31 22:00:00,643 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10 states, 10 states have (on average 3.4) internal successors, (34), 10 states have internal predecessors, (34), 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) [2024-10-31 22:00:00,643 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 13 transitions. [2024-10-31 22:00:00,643 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 13 transitions. Stem has 52 letters. Loop has 2 letters. [2024-10-31 22:00:00,643 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-10-31 22:00:00,643 INFO L682 stractBuchiCegarLoop]: Bad chosen interpolant automaton: word not accepted [2024-10-31 22:00:00,665 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:00:00,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:00:00,699 INFO L255 TraceCheckSpWp]: Trace formula consists of 153 conjuncts, 18 conjuncts are in the unsatisfiable core [2024-10-31 22:00:00,700 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-31 22:00:01,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:00:01,054 INFO L255 TraceCheckSpWp]: Trace formula consists of 19 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-10-31 22:00:01,055 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-31 22:00:01,081 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 22:00:01,081 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and with honda bouncer for loop.8 stem predicates 2 loop predicates [2024-10-31 22:00:01,082 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 61 states and 75 transitions. cyclomatic complexity: 22 Second operand has 10 states, 10 states have (on average 3.4) internal successors, (34), 10 states have internal predecessors, (34), 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) [2024-10-31 22:00:01,122 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 61 states and 75 transitions. cyclomatic complexity: 22. Second operand has 10 states, 10 states have (on average 3.4) internal successors, (34), 10 states have internal predecessors, (34), 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 62 states and 77 transitions. Complement of second has 5 states. [2024-10-31 22:00:01,123 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 3 stem states 0 non-accepting loop states 1 accepting loop states [2024-10-31 22:00:01,123 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10 states, 10 states have (on average 3.4) internal successors, (34), 10 states have internal predecessors, (34), 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) [2024-10-31 22:00:01,124 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 13 transitions. [2024-10-31 22:00:01,124 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 13 transitions. Stem has 52 letters. Loop has 2 letters. [2024-10-31 22:00:01,124 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-10-31 22:00:01,124 INFO L682 stractBuchiCegarLoop]: Bad chosen interpolant automaton: word not accepted [2024-10-31 22:00:01,148 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:00:01,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:00:01,179 INFO L255 TraceCheckSpWp]: Trace formula consists of 153 conjuncts, 18 conjuncts are in the unsatisfiable core [2024-10-31 22:00:01,180 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-31 22:00:01,542 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_619e0115-cc0b-4371-addc-ab79ab466fc0/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (102)] Forceful destruction successful, exit code 0 [2024-10-31 22:00:01,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:00:01,566 INFO L255 TraceCheckSpWp]: Trace formula consists of 19 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-10-31 22:00:01,567 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-31 22:00:01,593 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 22:00:01,593 INFO L141 lantAutomatonBouncer]: Defining Buchi interpolant automaton with scrooge nondeterminism in stemwith honda bouncer for stem and without honda bouncer for loop.8 stem predicates 2 loop predicates [2024-10-31 22:00:01,593 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 61 states and 75 transitions. cyclomatic complexity: 22 Second operand has 10 states, 10 states have (on average 3.4) internal successors, (34), 10 states have internal predecessors, (34), 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) [2024-10-31 22:00:01,773 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 61 states and 75 transitions. cyclomatic complexity: 22. Second operand has 10 states, 10 states have (on average 3.4) internal successors, (34), 10 states have internal predecessors, (34), 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 80 states and 102 transitions. Complement of second has 19 states. [2024-10-31 22:00:01,773 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 12 states 8 stem states 2 non-accepting loop states 2 accepting loop states [2024-10-31 22:00:01,774 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10 states, 10 states have (on average 3.4) internal successors, (34), 10 states have internal predecessors, (34), 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) [2024-10-31 22:00:01,774 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 57 transitions. [2024-10-31 22:00:01,774 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 12 states and 57 transitions. Stem has 52 letters. Loop has 2 letters. [2024-10-31 22:00:01,774 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-10-31 22:00:01,774 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 12 states and 57 transitions. Stem has 54 letters. Loop has 2 letters. [2024-10-31 22:00:01,774 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-10-31 22:00:01,774 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 12 states and 57 transitions. Stem has 52 letters. Loop has 4 letters. [2024-10-31 22:00:01,774 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-10-31 22:00:01,775 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 80 states and 102 transitions. [2024-10-31 22:00:01,775 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2024-10-31 22:00:01,775 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 80 states to 75 states and 95 transitions. [2024-10-31 22:00:01,776 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 11 [2024-10-31 22:00:01,776 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 12 [2024-10-31 22:00:01,776 INFO L73 IsDeterministic]: Start isDeterministic. Operand 75 states and 95 transitions. [2024-10-31 22:00:01,776 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2024-10-31 22:00:01,776 INFO L218 hiAutomatonCegarLoop]: Abstraction has 75 states and 95 transitions. [2024-10-31 22:00:01,776 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 75 states and 95 transitions. [2024-10-31 22:00:01,780 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 75 to 66. [2024-10-31 22:00:01,780 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 66 states, 66 states have (on average 1.2272727272727273) internal successors, (81), 65 states have internal predecessors, (81), 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) [2024-10-31 22:00:01,781 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 66 states and 81 transitions. [2024-10-31 22:00:01,781 INFO L240 hiAutomatonCegarLoop]: Abstraction has 66 states and 81 transitions. [2024-10-31 22:00:01,781 INFO L425 stractBuchiCegarLoop]: Abstraction has 66 states and 81 transitions. [2024-10-31 22:00:01,781 INFO L332 stractBuchiCegarLoop]: ======== Iteration 16 ============ [2024-10-31 22:00:01,781 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 66 states and 81 transitions. [2024-10-31 22:00:01,782 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2024-10-31 22:00:01,782 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-10-31 22:00:01,782 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-10-31 22:00:01,783 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [7, 6, 6, 6, 6, 6, 6, 6, 1, 1, 1, 1, 1, 1, 1] [2024-10-31 22:00:01,783 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2024-10-31 22:00:01,783 INFO L745 eck$LassoCheckResult]: Stem: 5252#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 5244#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet2#1, main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_#t~nondet4#1, main_#t~post5#1, main_#t~mem6#1, main_#t~mem7#1, main_#t~post8#1, main_#t~post9#1, main_~i~0#1, main_~j~0#1, main_~val~0#1, main_~length~0#1, main_~arr~0#1.base, main_~arr~0#1.offset;havoc main_~i~0#1;havoc main_~j~0#1;havoc main_~val~0#1;havoc main_#t~nondet2#1;main_~length~0#1 := main_#t~nondet2#1;havoc main_#t~nondet2#1; 5245#L516 assume !(main_~length~0#1 < 1 || main_~length~0#1 % 4294967296 >= 536870911); 5253#L516-2 call main_#t~malloc3#1.base, main_#t~malloc3#1.offset := #Ultimate.allocOnStack(4 * main_~length~0#1 % 4294967296);main_~arr~0#1.base, main_~arr~0#1.offset := main_#t~malloc3#1.base, main_#t~malloc3#1.offset; 5246#L518 assume !(main_~arr~0#1.base == 0 && main_~arr~0#1.offset == 0);main_~i~0#1 := 0; 5247#L519-3 assume !!(main_~i~0#1 < main_~length~0#1);havoc main_#t~nondet4#1;main_~val~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1; 5248#L521 assume !(main_~val~0#1 < 0); 5240#L521-2 call write~int#0(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 5241#L519-2 main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1; 5249#L519-3 assume !!(main_~i~0#1 < main_~length~0#1);havoc main_#t~nondet4#1;main_~val~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1; 5250#L521 assume !(main_~val~0#1 < 0); 5274#L521-2 call write~int#0(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 5242#L519-2 main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1; 5243#L519-3 assume !!(main_~i~0#1 < main_~length~0#1);havoc main_#t~nondet4#1;main_~val~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1; 5270#L521 assume !(main_~val~0#1 < 0); 5269#L521-2 call write~int#0(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 5268#L519-2 main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1; 5267#L519-3 assume !!(main_~i~0#1 < main_~length~0#1);havoc main_#t~nondet4#1;main_~val~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1; 5266#L521 assume !(main_~val~0#1 < 0); 5265#L521-2 call write~int#0(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 5264#L519-2 main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1; 5263#L519-3 assume !!(main_~i~0#1 < main_~length~0#1);havoc main_#t~nondet4#1;main_~val~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1; 5262#L521 assume !(main_~val~0#1 < 0); 5261#L521-2 call write~int#0(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 5260#L519-2 main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1; 5259#L519-3 assume !!(main_~i~0#1 < main_~length~0#1);havoc main_#t~nondet4#1;main_~val~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1; 5256#L521 assume !(main_~val~0#1 < 0); 5258#L521-2 call write~int#0(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 5257#L519-2 main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1; 5255#L519-3 assume !(main_~i~0#1 < main_~length~0#1); 5254#L519-4 main_~j~0#1 := 0; 5237#L526-3 assume !!(main_~j~0#1 < main_~length~0#1); 5238#L527-3 call main_#t~mem6#1 := read~int#0(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 5295#L527-1 assume !(main_#t~mem6#1 > 0);havoc main_#t~mem6#1; 5294#L526-2 main_#t~post9#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post9#1;havoc main_#t~post9#1; 5239#L526-3 assume !!(main_~j~0#1 < main_~length~0#1); 5236#L527-3 call main_#t~mem6#1 := read~int#0(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 5251#L527-1 assume !(main_#t~mem6#1 > 0);havoc main_#t~mem6#1; 5231#L526-2 main_#t~post9#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post9#1;havoc main_#t~post9#1; 5232#L526-3 assume !!(main_~j~0#1 < main_~length~0#1); 5292#L527-3 call main_#t~mem6#1 := read~int#0(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 5291#L527-1 assume !(main_#t~mem6#1 > 0);havoc main_#t~mem6#1; 5290#L526-2 main_#t~post9#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post9#1;havoc main_#t~post9#1; 5289#L526-3 assume !!(main_~j~0#1 < main_~length~0#1); 5287#L527-3 call main_#t~mem6#1 := read~int#0(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 5286#L527-1 assume !(main_#t~mem6#1 > 0);havoc main_#t~mem6#1; 5285#L526-2 main_#t~post9#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post9#1;havoc main_#t~post9#1; 5284#L526-3 assume !!(main_~j~0#1 < main_~length~0#1); 5282#L527-3 call main_#t~mem6#1 := read~int#0(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 5281#L527-1 assume !(main_#t~mem6#1 > 0);havoc main_#t~mem6#1; 5280#L526-2 main_#t~post9#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post9#1;havoc main_#t~post9#1; 5279#L526-3 assume !!(main_~j~0#1 < main_~length~0#1); 5278#L527-3 call main_#t~mem6#1 := read~int#0(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 5275#L527-1 assume !(main_#t~mem6#1 > 0);havoc main_#t~mem6#1; 5273#L526-2 main_#t~post9#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post9#1;havoc main_#t~post9#1; 5271#L526-3 assume !!(main_~j~0#1 < main_~length~0#1); 5234#L527-3 [2024-10-31 22:00:01,783 INFO L747 eck$LassoCheckResult]: Loop: 5234#L527-3 call main_#t~mem6#1 := read~int#0(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 5233#L527-1 assume !!(main_#t~mem6#1 > 0);havoc main_#t~mem6#1;call main_#t~mem7#1 := read~int#0(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4);main_#t~post8#1 := main_#t~mem7#1;call write~int#0(main_#t~post8#1 - 1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4);havoc main_#t~mem7#1;havoc main_#t~post8#1; 5234#L527-3 [2024-10-31 22:00:01,784 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:00:01,784 INFO L85 PathProgramCache]: Analyzing trace with hash 1396913127, now seen corresponding path program 12 times [2024-10-31 22:00:01,784 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:00:01,784 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1460034406] [2024-10-31 22:00:01,784 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:00:01,785 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:00:01,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:00:02,134 INFO L134 CoverageAnalysis]: Checked inductivity of 132 backedges. 45 proven. 87 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 22:00:02,134 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 22:00:02,134 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1460034406] [2024-10-31 22:00:02,134 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1460034406] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-31 22:00:02,134 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [318143103] [2024-10-31 22:00:02,135 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2024-10-31 22:00:02,135 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-31 22:00:02,135 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_619e0115-cc0b-4371-addc-ab79ab466fc0/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:00:02,137 INFO L229 MonitoredProcess]: Starting monitored process 103 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_619e0115-cc0b-4371-addc-ab79ab466fc0/bin/uautomizer-verify-4GaUIPS5ZU/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-31 22:00:02,139 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_619e0115-cc0b-4371-addc-ab79ab466fc0/bin/uautomizer-verify-4GaUIPS5ZU/z3 -smt2 -in SMTLIB2_COMPLIANT=true (103)] Waiting until timeout for monitored process [2024-10-31 22:00:02,260 INFO L227 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 7 check-sat command(s) [2024-10-31 22:00:02,260 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-31 22:00:02,261 INFO L255 TraceCheckSpWp]: Trace formula consists of 163 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-10-31 22:00:02,262 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-31 22:00:02,552 INFO L134 CoverageAnalysis]: Checked inductivity of 132 backedges. 66 proven. 66 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 22:00:02,552 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-31 22:00:02,765 INFO L134 CoverageAnalysis]: Checked inductivity of 132 backedges. 66 proven. 66 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 22:00:02,765 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [318143103] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-31 22:00:02,765 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-31 22:00:02,765 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 16, 16] total 25 [2024-10-31 22:00:02,766 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1062639176] [2024-10-31 22:00:02,766 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-31 22:00:02,766 INFO L750 eck$LassoCheckResult]: stem already infeasible [2024-10-31 22:00:02,766 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:00:02,766 INFO L85 PathProgramCache]: Analyzing trace with hash 2502, now seen corresponding path program 12 times [2024-10-31 22:00:02,766 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:00:02,767 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1753016933] [2024-10-31 22:00:02,767 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:00:02,767 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:00:02,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 22:00:02,774 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-31 22:00:02,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 22:00:02,777 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-31 22:00:02,823 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 22:00:02,823 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2024-10-31 22:00:02,824 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=157, Invalid=493, Unknown=0, NotChecked=0, Total=650 [2024-10-31 22:00:02,824 INFO L87 Difference]: Start difference. First operand 66 states and 81 transitions. cyclomatic complexity: 24 Second operand has 26 states, 25 states have (on average 3.68) internal successors, (92), 26 states have internal predecessors, (92), 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) [2024-10-31 22:00:03,066 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-31 22:00:03,066 INFO L93 Difference]: Finished difference Result 105 states and 128 transitions. [2024-10-31 22:00:03,067 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 105 states and 128 transitions. [2024-10-31 22:00:03,067 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2024-10-31 22:00:03,068 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 105 states to 73 states and 90 transitions. [2024-10-31 22:00:03,068 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 10 [2024-10-31 22:00:03,068 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 10 [2024-10-31 22:00:03,068 INFO L73 IsDeterministic]: Start isDeterministic. Operand 73 states and 90 transitions. [2024-10-31 22:00:03,068 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2024-10-31 22:00:03,068 INFO L218 hiAutomatonCegarLoop]: Abstraction has 73 states and 90 transitions. [2024-10-31 22:00:03,069 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 73 states and 90 transitions. [2024-10-31 22:00:03,074 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 73 to 70. [2024-10-31 22:00:03,075 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 70 states, 70 states have (on average 1.2285714285714286) internal successors, (86), 69 states have internal predecessors, (86), 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) [2024-10-31 22:00:03,079 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 70 states and 86 transitions. [2024-10-31 22:00:03,079 INFO L240 hiAutomatonCegarLoop]: Abstraction has 70 states and 86 transitions. [2024-10-31 22:00:03,079 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-10-31 22:00:03,080 INFO L425 stractBuchiCegarLoop]: Abstraction has 70 states and 86 transitions. [2024-10-31 22:00:03,080 INFO L332 stractBuchiCegarLoop]: ======== Iteration 17 ============ [2024-10-31 22:00:03,080 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 70 states and 86 transitions. [2024-10-31 22:00:03,081 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2024-10-31 22:00:03,081 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-10-31 22:00:03,081 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-10-31 22:00:03,081 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [7, 7, 7, 7, 7, 6, 6, 6, 1, 1, 1, 1, 1, 1, 1] [2024-10-31 22:00:03,082 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2024-10-31 22:00:03,082 INFO L745 eck$LassoCheckResult]: Stem: 5780#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 5773#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet2#1, main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_#t~nondet4#1, main_#t~post5#1, main_#t~mem6#1, main_#t~mem7#1, main_#t~post8#1, main_#t~post9#1, main_~i~0#1, main_~j~0#1, main_~val~0#1, main_~length~0#1, main_~arr~0#1.base, main_~arr~0#1.offset;havoc main_~i~0#1;havoc main_~j~0#1;havoc main_~val~0#1;havoc main_#t~nondet2#1;main_~length~0#1 := main_#t~nondet2#1;havoc main_#t~nondet2#1; 5774#L516 assume !(main_~length~0#1 < 1 || main_~length~0#1 % 4294967296 >= 536870911); 5781#L516-2 call main_#t~malloc3#1.base, main_#t~malloc3#1.offset := #Ultimate.allocOnStack(4 * main_~length~0#1 % 4294967296);main_~arr~0#1.base, main_~arr~0#1.offset := main_#t~malloc3#1.base, main_#t~malloc3#1.offset; 5775#L518 assume !(main_~arr~0#1.base == 0 && main_~arr~0#1.offset == 0);main_~i~0#1 := 0; 5776#L519-3 assume !!(main_~i~0#1 < main_~length~0#1);havoc main_#t~nondet4#1;main_~val~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1; 5777#L521 assume !(main_~val~0#1 < 0); 5770#L521-2 call write~int#0(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 5771#L519-2 main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1; 5772#L519-3 assume !!(main_~i~0#1 < main_~length~0#1);havoc main_#t~nondet4#1;main_~val~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1; 5778#L521 assume !(main_~val~0#1 < 0); 5830#L521-2 call write~int#0(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 5829#L519-2 main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1; 5828#L519-3 assume !!(main_~i~0#1 < main_~length~0#1);havoc main_#t~nondet4#1;main_~val~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1; 5827#L521 assume !(main_~val~0#1 < 0); 5826#L521-2 call write~int#0(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 5825#L519-2 main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1; 5824#L519-3 assume !!(main_~i~0#1 < main_~length~0#1);havoc main_#t~nondet4#1;main_~val~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1; 5823#L521 assume !(main_~val~0#1 < 0); 5822#L521-2 call write~int#0(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 5821#L519-2 main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1; 5820#L519-3 assume !!(main_~i~0#1 < main_~length~0#1);havoc main_#t~nondet4#1;main_~val~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1; 5819#L521 assume !(main_~val~0#1 < 0); 5818#L521-2 call write~int#0(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 5817#L519-2 main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1; 5816#L519-3 assume !!(main_~i~0#1 < main_~length~0#1);havoc main_#t~nondet4#1;main_~val~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1; 5815#L521 assume !(main_~val~0#1 < 0); 5814#L521-2 call write~int#0(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 5813#L519-2 main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1; 5812#L519-3 assume !!(main_~i~0#1 < main_~length~0#1);havoc main_#t~nondet4#1;main_~val~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1; 5784#L521 assume !(main_~val~0#1 < 0); 5790#L521-2 call write~int#0(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 5785#L519-2 main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1; 5783#L519-3 assume !(main_~i~0#1 < main_~length~0#1); 5782#L519-4 main_~j~0#1 := 0; 5767#L526-3 assume !!(main_~j~0#1 < main_~length~0#1); 5768#L527-3 call main_#t~mem6#1 := read~int#0(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 5810#L527-1 assume !(main_#t~mem6#1 > 0);havoc main_#t~mem6#1; 5809#L526-2 main_#t~post9#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post9#1;havoc main_#t~post9#1; 5769#L526-3 assume !!(main_~j~0#1 < main_~length~0#1); 5766#L527-3 call main_#t~mem6#1 := read~int#0(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 5779#L527-1 assume !(main_#t~mem6#1 > 0);havoc main_#t~mem6#1; 5761#L526-2 main_#t~post9#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post9#1;havoc main_#t~post9#1; 5762#L526-3 assume !!(main_~j~0#1 < main_~length~0#1); 5807#L527-3 call main_#t~mem6#1 := read~int#0(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 5806#L527-1 assume !(main_#t~mem6#1 > 0);havoc main_#t~mem6#1; 5805#L526-2 main_#t~post9#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post9#1;havoc main_#t~post9#1; 5804#L526-3 assume !!(main_~j~0#1 < main_~length~0#1); 5802#L527-3 call main_#t~mem6#1 := read~int#0(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 5801#L527-1 assume !(main_#t~mem6#1 > 0);havoc main_#t~mem6#1; 5800#L526-2 main_#t~post9#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post9#1;havoc main_#t~post9#1; 5799#L526-3 assume !!(main_~j~0#1 < main_~length~0#1); 5797#L527-3 call main_#t~mem6#1 := read~int#0(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 5796#L527-1 assume !(main_#t~mem6#1 > 0);havoc main_#t~mem6#1; 5795#L526-2 main_#t~post9#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post9#1;havoc main_#t~post9#1; 5794#L526-3 assume !!(main_~j~0#1 < main_~length~0#1); 5793#L527-3 call main_#t~mem6#1 := read~int#0(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 5789#L527-1 assume !(main_#t~mem6#1 > 0);havoc main_#t~mem6#1; 5788#L526-2 main_#t~post9#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post9#1;havoc main_#t~post9#1; 5786#L526-3 assume !!(main_~j~0#1 < main_~length~0#1); 5764#L527-3 [2024-10-31 22:00:03,082 INFO L747 eck$LassoCheckResult]: Loop: 5764#L527-3 call main_#t~mem6#1 := read~int#0(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 5763#L527-1 assume !!(main_#t~mem6#1 > 0);havoc main_#t~mem6#1;call main_#t~mem7#1 := read~int#0(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4);main_#t~post8#1 := main_#t~mem7#1;call write~int#0(main_#t~post8#1 - 1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4);havoc main_#t~mem7#1;havoc main_#t~post8#1; 5764#L527-3 [2024-10-31 22:00:03,082 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:00:03,082 INFO L85 PathProgramCache]: Analyzing trace with hash -1611822112, now seen corresponding path program 13 times [2024-10-31 22:00:03,082 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:00:03,082 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1445681560] [2024-10-31 22:00:03,083 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:00:03,083 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:00:03,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 22:00:03,119 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-31 22:00:03,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 22:00:03,160 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-31 22:00:03,162 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:00:03,162 INFO L85 PathProgramCache]: Analyzing trace with hash 2502, now seen corresponding path program 13 times [2024-10-31 22:00:03,162 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:00:03,162 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [602575040] [2024-10-31 22:00:03,163 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:00:03,163 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:00:03,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 22:00:03,166 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-31 22:00:03,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 22:00:03,169 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-31 22:00:03,169 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:00:03,170 INFO L85 PathProgramCache]: Analyzing trace with hash 1522145765, now seen corresponding path program 6 times [2024-10-31 22:00:03,170 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:00:03,170 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [709320413] [2024-10-31 22:00:03,170 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:00:03,170 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:00:03,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 22:00:03,240 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-31 22:00:03,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 22:00:03,280 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace