./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/termination-15/cstrspn_mixed_alloca.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 4fc63b2a Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_118ebfdf-6be2-4258-8024-1ee5fc005d81/bin/uautomizer-verify-4GaUIPS5ZU/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_118ebfdf-6be2-4258-8024-1ee5fc005d81/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_118ebfdf-6be2-4258-8024-1ee5fc005d81/bin/uautomizer-verify-4GaUIPS5ZU/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_118ebfdf-6be2-4258-8024-1ee5fc005d81/bin/uautomizer-verify-4GaUIPS5ZU/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/termination-15/cstrspn_mixed_alloca.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_118ebfdf-6be2-4258-8024-1ee5fc005d81/bin/uautomizer-verify-4GaUIPS5ZU/config/svcomp-Termination-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_118ebfdf-6be2-4258-8024-1ee5fc005d81/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 64bit --witnessprinter.graph.data.programhash 8dd5f6931770ddb4b9cf8eb898fe5864af65999ea8d319a841184b1f7adb29d2 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-4fc63b2 [2024-10-31 22:12:50,223 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-31 22:12:50,336 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_118ebfdf-6be2-4258-8024-1ee5fc005d81/bin/uautomizer-verify-4GaUIPS5ZU/config/svcomp-Termination-64bit-Automizer_Default.epf [2024-10-31 22:12:50,342 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-31 22:12:50,343 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-31 22:12:50,386 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-31 22:12:50,388 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-31 22:12:50,388 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-31 22:12:50,389 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-31 22:12:50,390 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-31 22:12:50,391 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-31 22:12:50,392 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-31 22:12:50,393 INFO L153 SettingsManager]: * Use SBE=true [2024-10-31 22:12:50,393 INFO L151 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2024-10-31 22:12:50,395 INFO L153 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2024-10-31 22:12:50,396 INFO L153 SettingsManager]: * Use old map elimination=false [2024-10-31 22:12:50,396 INFO L153 SettingsManager]: * Use external solver (rank synthesis)=false [2024-10-31 22:12:50,397 INFO L153 SettingsManager]: * Use only trivial implications for array writes=true [2024-10-31 22:12:50,397 INFO L153 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2024-10-31 22:12:50,397 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-31 22:12:50,398 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2024-10-31 22:12:50,398 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-31 22:12:50,399 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-31 22:12:50,399 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2024-10-31 22:12:50,403 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2024-10-31 22:12:50,403 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2024-10-31 22:12:50,404 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-31 22:12:50,404 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-10-31 22:12:50,404 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-31 22:12:50,404 INFO L153 SettingsManager]: * Assume nondeterminstic values are in range=false [2024-10-31 22:12:50,405 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-31 22:12:50,405 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-31 22:12:50,405 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-31 22:12:50,405 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-31 22:12:50,406 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-31 22:12:50,406 INFO L151 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2024-10-31 22:12:50,406 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_118ebfdf-6be2-4258-8024-1ee5fc005d81/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_118ebfdf-6be2-4258-8024-1ee5fc005d81/bin/uautomizer-verify-4GaUIPS5ZU Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 8dd5f6931770ddb4b9cf8eb898fe5864af65999ea8d319a841184b1f7adb29d2 [2024-10-31 22:12:50,742 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-31 22:12:50,784 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-31 22:12:50,787 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-31 22:12:50,788 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-31 22:12:50,789 INFO L274 PluginConnector]: CDTParser initialized [2024-10-31 22:12:50,790 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_118ebfdf-6be2-4258-8024-1ee5fc005d81/bin/uautomizer-verify-4GaUIPS5ZU/../../sv-benchmarks/c/termination-15/cstrspn_mixed_alloca.i Unable to find full path for "g++" [2024-10-31 22:12:52,846 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-31 22:12:53,127 INFO L384 CDTParser]: Found 1 translation units. [2024-10-31 22:12:53,127 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_118ebfdf-6be2-4258-8024-1ee5fc005d81/sv-benchmarks/c/termination-15/cstrspn_mixed_alloca.i [2024-10-31 22:12:53,159 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_118ebfdf-6be2-4258-8024-1ee5fc005d81/bin/uautomizer-verify-4GaUIPS5ZU/data/a40beef87/fc422e94a1c94a7a9b0dd44b9034bb3e/FLAG25adb122b [2024-10-31 22:12:53,184 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_118ebfdf-6be2-4258-8024-1ee5fc005d81/bin/uautomizer-verify-4GaUIPS5ZU/data/a40beef87/fc422e94a1c94a7a9b0dd44b9034bb3e [2024-10-31 22:12:53,187 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-31 22:12:53,189 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-31 22:12:53,190 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-31 22:12:53,191 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-31 22:12:53,198 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-31 22:12:53,201 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.10 10:12:53" (1/1) ... [2024-10-31 22:12:53,203 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6371e93e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:12:53, skipping insertion in model container [2024-10-31 22:12:53,204 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.10 10:12:53" (1/1) ... [2024-10-31 22:12:53,241 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-31 22:12:53,724 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-31 22:12:53,737 INFO L200 MainTranslator]: Completed pre-run [2024-10-31 22:12:53,793 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-31 22:12:53,840 INFO L204 MainTranslator]: Completed translation [2024-10-31 22:12:53,841 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:12:53 WrapperNode [2024-10-31 22:12:53,841 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-31 22:12:53,843 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-31 22:12:53,843 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-31 22:12:53,843 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-31 22:12:53,851 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:12:53" (1/1) ... [2024-10-31 22:12:53,862 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:12:53" (1/1) ... [2024-10-31 22:12:53,885 INFO L138 Inliner]: procedures = 152, calls = 16, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 81 [2024-10-31 22:12:53,885 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-31 22:12:53,886 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-31 22:12:53,886 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-31 22:12:53,887 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-31 22:12:53,902 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:12:53" (1/1) ... [2024-10-31 22:12:53,902 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:12:53" (1/1) ... [2024-10-31 22:12:53,905 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:12:53" (1/1) ... [2024-10-31 22:12:53,919 INFO L175 MemorySlicer]: Split 7 memory accesses to 2 slices as follows [3, 4]. 57 percent of accesses are in the largest equivalence class. The 0 initializations are split as follows [0, 0]. The 2 writes are split as follows [1, 1]. [2024-10-31 22:12:53,919 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:12:53" (1/1) ... [2024-10-31 22:12:53,920 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:12:53" (1/1) ... [2024-10-31 22:12:53,926 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:12:53" (1/1) ... [2024-10-31 22:12:53,933 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:12:53" (1/1) ... [2024-10-31 22:12:53,935 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:12:53" (1/1) ... [2024-10-31 22:12:53,936 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:12:53" (1/1) ... [2024-10-31 22:12:53,938 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-31 22:12:53,939 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-31 22:12:53,940 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-31 22:12:53,940 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-31 22:12:53,941 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:12:53" (1/1) ... [2024-10-31 22:12:53,947 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 22:12:53,965 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_118ebfdf-6be2-4258-8024-1ee5fc005d81/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:12:53,979 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_118ebfdf-6be2-4258-8024-1ee5fc005d81/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 22:12:53,981 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_118ebfdf-6be2-4258-8024-1ee5fc005d81/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2024-10-31 22:12:54,010 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-10-31 22:12:54,010 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-10-31 22:12:54,011 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-10-31 22:12:54,011 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-10-31 22:12:54,011 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-10-31 22:12:54,011 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-10-31 22:12:54,011 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-31 22:12:54,011 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-31 22:12:54,098 INFO L238 CfgBuilder]: Building ICFG [2024-10-31 22:12:54,101 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-31 22:12:54,287 INFO L? ?]: Removed 31 outVars from TransFormulas that were not future-live. [2024-10-31 22:12:54,287 INFO L287 CfgBuilder]: Performing block encoding [2024-10-31 22:12:54,303 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-31 22:12:54,303 INFO L316 CfgBuilder]: Removed 2 assume(true) statements. [2024-10-31 22:12:54,304 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.10 10:12:54 BoogieIcfgContainer [2024-10-31 22:12:54,304 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-31 22:12:54,305 INFO L112 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2024-10-31 22:12:54,305 INFO L270 PluginConnector]: Initializing BuchiAutomizer... [2024-10-31 22:12:54,308 INFO L274 PluginConnector]: BuchiAutomizer initialized [2024-10-31 22:12:54,309 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-10-31 22:12:54,310 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 31.10 10:12:53" (1/3) ... [2024-10-31 22:12:54,311 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@2af9a3eb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 31.10 10:12:54, skipping insertion in model container [2024-10-31 22:12:54,311 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-10-31 22:12:54,311 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:12:53" (2/3) ... [2024-10-31 22:12:54,311 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@2af9a3eb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 31.10 10:12:54, skipping insertion in model container [2024-10-31 22:12:54,312 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-10-31 22:12:54,312 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.10 10:12:54" (3/3) ... [2024-10-31 22:12:54,313 INFO L332 chiAutomizerObserver]: Analyzing ICFG cstrspn_mixed_alloca.i [2024-10-31 22:12:54,386 INFO L300 stractBuchiCegarLoop]: Interprodecural is true [2024-10-31 22:12:54,386 INFO L301 stractBuchiCegarLoop]: Hoare is None [2024-10-31 22:12:54,386 INFO L302 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2024-10-31 22:12:54,387 INFO L303 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2024-10-31 22:12:54,387 INFO L304 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2024-10-31 22:12:54,387 INFO L305 stractBuchiCegarLoop]: Difference is false [2024-10-31 22:12:54,387 INFO L306 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2024-10-31 22:12:54,387 INFO L310 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2024-10-31 22:12:54,392 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 18 states, 17 states have (on average 1.4705882352941178) internal successors, (25), 17 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 22:12:54,414 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 8 [2024-10-31 22:12:54,416 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-10-31 22:12:54,416 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-10-31 22:12:54,422 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2024-10-31 22:12:54,426 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1] [2024-10-31 22:12:54,426 INFO L332 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2024-10-31 22:12:54,426 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 18 states, 17 states have (on average 1.4705882352941178) internal successors, (25), 17 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 22:12:54,428 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 8 [2024-10-31 22:12:54,428 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-10-31 22:12:54,428 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-10-31 22:12:54,428 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2024-10-31 22:12:54,429 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1] [2024-10-31 22:12:54,440 INFO L745 eck$LassoCheckResult]: Stem: 13#$Ultimate##0true assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 6#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet213#1, main_#t~nondet214#1, main_#t~malloc215#1.base, main_#t~malloc215#1.offset, main_#t~malloc216#1.base, main_#t~malloc216#1.offset, main_#t~ret217#1, main_~length1~0#1, main_~length2~0#1, main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset;havoc main_#t~nondet213#1;main_~length1~0#1 := main_#t~nondet213#1;havoc main_#t~nondet213#1;havoc main_#t~nondet214#1;main_~length2~0#1 := main_#t~nondet214#1;havoc main_#t~nondet214#1; 16#L382true assume !(main_~length1~0#1 < 1); 14#L382-2true assume !(main_~length2~0#1 < 1); 3#L385-1true call main_#t~malloc215#1.base, main_#t~malloc215#1.offset := #Ultimate.allocOnStack(main_~length1~0#1 % 18446744073709551616);main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset := main_#t~malloc215#1.base, main_#t~malloc215#1.offset;call main_#t~malloc216#1.base, main_#t~malloc216#1.offset := #Ultimate.allocOnStack(main_~length2~0#1 % 18446744073709551616);main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset := main_#t~malloc216#1.base, main_#t~malloc216#1.offset;call write~int#0(0, main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset + (main_~length1~0#1 - 1), 1);call write~int#1(0, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset, 1);main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset := main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset + (main_~length2~0#1 - 1);assume { :begin_inline_cstrspn } true;cstrspn_#in~s1#1.base, cstrspn_#in~s1#1.offset, cstrspn_#in~s2#1.base, cstrspn_#in~s2#1.offset := main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset;havoc cstrspn_#res#1;havoc cstrspn_#t~mem205#1, cstrspn_#t~mem206#1, cstrspn_#t~mem207#1, cstrspn_#t~mem208#1, cstrspn_#t~short209#1, cstrspn_#t~post210#1.base, cstrspn_#t~post210#1.offset, cstrspn_#t~mem211#1, cstrspn_#t~post212#1.base, cstrspn_#t~post212#1.offset, cstrspn_~s1#1.base, cstrspn_~s1#1.offset, cstrspn_~s2#1.base, cstrspn_~s2#1.offset, cstrspn_~sc1~0#1.base, cstrspn_~sc1~0#1.offset, cstrspn_~s~0#1.base, cstrspn_~s~0#1.offset, cstrspn_~c~0#1;cstrspn_~s1#1.base, cstrspn_~s1#1.offset := cstrspn_#in~s1#1.base, cstrspn_#in~s1#1.offset;cstrspn_~s2#1.base, cstrspn_~s2#1.offset := cstrspn_#in~s2#1.base, cstrspn_#in~s2#1.offset;havoc cstrspn_~sc1~0#1.base, cstrspn_~sc1~0#1.offset;havoc cstrspn_~s~0#1.base, cstrspn_~s~0#1.offset;havoc cstrspn_~c~0#1;cstrspn_~sc1~0#1.base, cstrspn_~sc1~0#1.offset := cstrspn_~s1#1.base, cstrspn_~s1#1.offset; 8#L369-4true [2024-10-31 22:12:54,441 INFO L747 eck$LassoCheckResult]: Loop: 8#L369-4true call cstrspn_#t~mem205#1 := read~int#0(cstrspn_~sc1~0#1.base, cstrspn_~sc1~0#1.offset, 1); 15#L369-1true assume !!(0 != cstrspn_#t~mem205#1);havoc cstrspn_#t~mem205#1;cstrspn_~s~0#1.base, cstrspn_~s~0#1.offset := cstrspn_~s2#1.base, cstrspn_~s2#1.offset;call cstrspn_#t~mem206#1 := read~int#0(cstrspn_~sc1~0#1.base, cstrspn_~sc1~0#1.offset, 1);cstrspn_~c~0#1 := cstrspn_#t~mem206#1;havoc cstrspn_#t~mem206#1; 5#L372-5true assume !true; 4#L372-6true call cstrspn_#t~mem211#1 := read~int#1(cstrspn_~s~0#1.base, cstrspn_~s~0#1.offset, 1); 19#L374true assume !(cstrspn_#t~mem211#1 != cstrspn_~c~0#1);havoc cstrspn_#t~mem211#1; 9#L369-3true cstrspn_#t~post212#1.base, cstrspn_#t~post212#1.offset := cstrspn_~sc1~0#1.base, cstrspn_~sc1~0#1.offset;cstrspn_~sc1~0#1.base, cstrspn_~sc1~0#1.offset := cstrspn_#t~post212#1.base, 1 + cstrspn_#t~post212#1.offset;havoc cstrspn_#t~post212#1.base, cstrspn_#t~post212#1.offset; 8#L369-4true [2024-10-31 22:12:54,448 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:12:54,449 INFO L85 PathProgramCache]: Analyzing trace with hash 28695878, now seen corresponding path program 1 times [2024-10-31 22:12:54,462 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:12:54,462 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [440850986] [2024-10-31 22:12:54,462 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:12:54,463 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:12:54,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 22:12:54,623 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-31 22:12:54,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 22:12:54,693 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-31 22:12:54,696 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:12:54,697 INFO L85 PathProgramCache]: Analyzing trace with hash 1454917130, now seen corresponding path program 1 times [2024-10-31 22:12:54,697 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:12:54,697 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1628297168] [2024-10-31 22:12:54,697 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:12:54,698 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:12:54,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:12:54,772 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 22:12:54,772 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 22:12:54,772 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1628297168] [2024-10-31 22:12:54,773 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1628297168] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 22:12:54,773 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 22:12:54,773 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-31 22:12:54,773 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [14248718] [2024-10-31 22:12:54,774 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 22:12:54,777 INFO L762 eck$LassoCheckResult]: loop already infeasible [2024-10-31 22:12:54,778 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 22:12:54,815 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-10-31 22:12:54,816 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-10-31 22:12:54,818 INFO L87 Difference]: Start difference. First operand has 18 states, 17 states have (on average 1.4705882352941178) internal successors, (25), 17 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 2 states, 2 states have (on average 3.0) internal successors, (6), 2 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 22:12:54,825 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-31 22:12:54,825 INFO L93 Difference]: Finished difference Result 18 states and 23 transitions. [2024-10-31 22:12:54,828 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 18 states and 23 transitions. [2024-10-31 22:12:54,829 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 8 [2024-10-31 22:12:54,832 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 18 states to 13 states and 17 transitions. [2024-10-31 22:12:54,833 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 13 [2024-10-31 22:12:54,834 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 13 [2024-10-31 22:12:54,834 INFO L73 IsDeterministic]: Start isDeterministic. Operand 13 states and 17 transitions. [2024-10-31 22:12:54,835 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2024-10-31 22:12:54,835 INFO L218 hiAutomatonCegarLoop]: Abstraction has 13 states and 17 transitions. [2024-10-31 22:12:54,853 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13 states and 17 transitions. [2024-10-31 22:12:54,861 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13 to 13. [2024-10-31 22:12:54,861 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13 states, 13 states have (on average 1.3076923076923077) internal successors, (17), 12 states have internal predecessors, (17), 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 22:12:54,862 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 17 transitions. [2024-10-31 22:12:54,863 INFO L240 hiAutomatonCegarLoop]: Abstraction has 13 states and 17 transitions. [2024-10-31 22:12:54,864 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-31 22:12:54,869 INFO L425 stractBuchiCegarLoop]: Abstraction has 13 states and 17 transitions. [2024-10-31 22:12:54,870 INFO L332 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2024-10-31 22:12:54,871 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 13 states and 17 transitions. [2024-10-31 22:12:54,872 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 8 [2024-10-31 22:12:54,873 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-10-31 22:12:54,873 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-10-31 22:12:54,873 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2024-10-31 22:12:54,874 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1] [2024-10-31 22:12:54,875 INFO L745 eck$LassoCheckResult]: Stem: 55#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 50#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet213#1, main_#t~nondet214#1, main_#t~malloc215#1.base, main_#t~malloc215#1.offset, main_#t~malloc216#1.base, main_#t~malloc216#1.offset, main_#t~ret217#1, main_~length1~0#1, main_~length2~0#1, main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset;havoc main_#t~nondet213#1;main_~length1~0#1 := main_#t~nondet213#1;havoc main_#t~nondet213#1;havoc main_#t~nondet214#1;main_~length2~0#1 := main_#t~nondet214#1;havoc main_#t~nondet214#1; 51#L382 assume !(main_~length1~0#1 < 1); 56#L382-2 assume !(main_~length2~0#1 < 1); 44#L385-1 call main_#t~malloc215#1.base, main_#t~malloc215#1.offset := #Ultimate.allocOnStack(main_~length1~0#1 % 18446744073709551616);main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset := main_#t~malloc215#1.base, main_#t~malloc215#1.offset;call main_#t~malloc216#1.base, main_#t~malloc216#1.offset := #Ultimate.allocOnStack(main_~length2~0#1 % 18446744073709551616);main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset := main_#t~malloc216#1.base, main_#t~malloc216#1.offset;call write~int#0(0, main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset + (main_~length1~0#1 - 1), 1);call write~int#1(0, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset, 1);main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset := main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset + (main_~length2~0#1 - 1);assume { :begin_inline_cstrspn } true;cstrspn_#in~s1#1.base, cstrspn_#in~s1#1.offset, cstrspn_#in~s2#1.base, cstrspn_#in~s2#1.offset := main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset;havoc cstrspn_#res#1;havoc cstrspn_#t~mem205#1, cstrspn_#t~mem206#1, cstrspn_#t~mem207#1, cstrspn_#t~mem208#1, cstrspn_#t~short209#1, cstrspn_#t~post210#1.base, cstrspn_#t~post210#1.offset, cstrspn_#t~mem211#1, cstrspn_#t~post212#1.base, cstrspn_#t~post212#1.offset, cstrspn_~s1#1.base, cstrspn_~s1#1.offset, cstrspn_~s2#1.base, cstrspn_~s2#1.offset, cstrspn_~sc1~0#1.base, cstrspn_~sc1~0#1.offset, cstrspn_~s~0#1.base, cstrspn_~s~0#1.offset, cstrspn_~c~0#1;cstrspn_~s1#1.base, cstrspn_~s1#1.offset := cstrspn_#in~s1#1.base, cstrspn_#in~s1#1.offset;cstrspn_~s2#1.base, cstrspn_~s2#1.offset := cstrspn_#in~s2#1.base, cstrspn_#in~s2#1.offset;havoc cstrspn_~sc1~0#1.base, cstrspn_~sc1~0#1.offset;havoc cstrspn_~s~0#1.base, cstrspn_~s~0#1.offset;havoc cstrspn_~c~0#1;cstrspn_~sc1~0#1.base, cstrspn_~sc1~0#1.offset := cstrspn_~s1#1.base, cstrspn_~s1#1.offset; 45#L369-4 [2024-10-31 22:12:54,875 INFO L747 eck$LassoCheckResult]: Loop: 45#L369-4 call cstrspn_#t~mem205#1 := read~int#0(cstrspn_~sc1~0#1.base, cstrspn_~sc1~0#1.offset, 1); 52#L369-1 assume !!(0 != cstrspn_#t~mem205#1);havoc cstrspn_#t~mem205#1;cstrspn_~s~0#1.base, cstrspn_~s~0#1.offset := cstrspn_~s2#1.base, cstrspn_~s2#1.offset;call cstrspn_#t~mem206#1 := read~int#0(cstrspn_~sc1~0#1.base, cstrspn_~sc1~0#1.offset, 1);cstrspn_~c~0#1 := cstrspn_#t~mem206#1;havoc cstrspn_#t~mem206#1; 48#L372-5 call cstrspn_#t~mem207#1 := read~int#1(cstrspn_~s~0#1.base, cstrspn_~s~0#1.offset, 1);cstrspn_#t~short209#1 := 0 != cstrspn_#t~mem207#1; 49#L372-1 assume cstrspn_#t~short209#1;call cstrspn_#t~mem208#1 := read~int#1(cstrspn_~s~0#1.base, cstrspn_~s~0#1.offset, 1);cstrspn_#t~short209#1 := cstrspn_#t~mem208#1 != (if cstrspn_~c~0#1 % 256 <= 127 then cstrspn_~c~0#1 % 256 else cstrspn_~c~0#1 % 256 - 256); 54#L372-3 assume !cstrspn_#t~short209#1;havoc cstrspn_#t~mem207#1;havoc cstrspn_#t~mem208#1;havoc cstrspn_#t~short209#1; 46#L372-6 call cstrspn_#t~mem211#1 := read~int#1(cstrspn_~s~0#1.base, cstrspn_~s~0#1.offset, 1); 47#L374 assume !(cstrspn_#t~mem211#1 != cstrspn_~c~0#1);havoc cstrspn_#t~mem211#1; 53#L369-3 cstrspn_#t~post212#1.base, cstrspn_#t~post212#1.offset := cstrspn_~sc1~0#1.base, cstrspn_~sc1~0#1.offset;cstrspn_~sc1~0#1.base, cstrspn_~sc1~0#1.offset := cstrspn_#t~post212#1.base, 1 + cstrspn_#t~post212#1.offset;havoc cstrspn_#t~post212#1.base, cstrspn_#t~post212#1.offset; 45#L369-4 [2024-10-31 22:12:54,876 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:12:54,876 INFO L85 PathProgramCache]: Analyzing trace with hash 28695878, now seen corresponding path program 2 times [2024-10-31 22:12:54,876 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:12:54,878 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [498084457] [2024-10-31 22:12:54,878 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:12:54,879 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:12:54,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 22:12:54,945 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-31 22:12:54,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 22:12:54,986 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-31 22:12:54,987 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:12:54,987 INFO L85 PathProgramCache]: Analyzing trace with hash 1927396657, now seen corresponding path program 1 times [2024-10-31 22:12:54,987 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:12:54,987 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [564989718] [2024-10-31 22:12:54,988 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:12:54,988 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:12:55,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 22:12:55,007 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-31 22:12:55,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 22:12:55,025 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-31 22:12:55,025 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:12:55,026 INFO L85 PathProgramCache]: Analyzing trace with hash -102988426, now seen corresponding path program 1 times [2024-10-31 22:12:55,026 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:12:55,028 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1864792435] [2024-10-31 22:12:55,028 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:12:55,028 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:12:55,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 22:12:55,134 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-31 22:12:55,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 22:12:55,197 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-31 22:12:56,685 INFO L204 LassoAnalysis]: Preferences: [2024-10-31 22:12:56,686 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-10-31 22:12:56,686 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-10-31 22:12:56,686 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-10-31 22:12:56,686 INFO L128 ssoRankerPreferences]: Use exernal solver: false [2024-10-31 22:12:56,686 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 22:12:56,687 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-10-31 22:12:56,687 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-10-31 22:12:56,687 INFO L132 ssoRankerPreferences]: Filename of dumped script: cstrspn_mixed_alloca.i_Iteration2_Lasso [2024-10-31 22:12:56,687 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-10-31 22:12:56,688 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-10-31 22:12:56,721 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:12:56,732 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:12:56,736 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:12:56,740 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:12:56,744 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:12:56,749 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:12:56,753 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:12:56,757 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:12:56,761 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:12:56,764 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:12:56,768 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:12:56,771 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:12:56,775 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:12:57,356 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:12:57,362 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:12:57,367 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:12:57,371 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:12:57,375 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:12:57,378 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:12:57,382 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:12:57,385 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:12:57,388 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:12:57,391 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:12:57,396 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:12:57,401 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:12:57,403 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:12:57,406 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:12:57,409 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:12:58,131 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-10-31 22:12:58,137 INFO L451 LassoAnalysis]: Using template 'affine'. [2024-10-31 22:12:58,139 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 22:12:58,139 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_118ebfdf-6be2-4258-8024-1ee5fc005d81/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:12:58,142 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_118ebfdf-6be2-4258-8024-1ee5fc005d81/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 22:12:58,145 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_118ebfdf-6be2-4258-8024-1ee5fc005d81/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2024-10-31 22:12:58,147 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 22:12:58,165 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-31 22:12:58,165 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-31 22:12:58,166 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-31 22:12:58,166 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-31 22:12:58,167 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-31 22:12:58,169 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-31 22:12:58,170 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-31 22:12:58,173 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-31 22:12:58,196 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_118ebfdf-6be2-4258-8024-1ee5fc005d81/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Ended with exit code 0 [2024-10-31 22:12:58,197 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 22:12:58,197 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_118ebfdf-6be2-4258-8024-1ee5fc005d81/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:12:58,199 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_118ebfdf-6be2-4258-8024-1ee5fc005d81/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 22:12:58,231 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_118ebfdf-6be2-4258-8024-1ee5fc005d81/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2024-10-31 22:12:58,232 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 22:12:58,245 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-31 22:12:58,246 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-31 22:12:58,246 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-31 22:12:58,246 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-31 22:12:58,246 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-31 22:12:58,247 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-31 22:12:58,247 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-31 22:12:58,249 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-31 22:12:58,270 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_118ebfdf-6be2-4258-8024-1ee5fc005d81/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Ended with exit code 0 [2024-10-31 22:12:58,271 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 22:12:58,271 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_118ebfdf-6be2-4258-8024-1ee5fc005d81/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:12:58,274 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_118ebfdf-6be2-4258-8024-1ee5fc005d81/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 22:12:58,276 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_118ebfdf-6be2-4258-8024-1ee5fc005d81/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2024-10-31 22:12:58,277 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 22:12:58,294 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-31 22:12:58,294 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-31 22:12:58,295 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-31 22:12:58,295 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-31 22:12:58,295 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-31 22:12:58,296 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-31 22:12:58,296 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-31 22:12:58,304 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-31 22:12:58,323 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_118ebfdf-6be2-4258-8024-1ee5fc005d81/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Ended with exit code 0 [2024-10-31 22:12:58,324 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 22:12:58,324 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_118ebfdf-6be2-4258-8024-1ee5fc005d81/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:12:58,327 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_118ebfdf-6be2-4258-8024-1ee5fc005d81/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 22:12:58,329 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_118ebfdf-6be2-4258-8024-1ee5fc005d81/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2024-10-31 22:12:58,330 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 22:12:58,344 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-31 22:12:58,345 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-31 22:12:58,345 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-31 22:12:58,345 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-31 22:12:58,345 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-31 22:12:58,348 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-31 22:12:58,348 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-31 22:12:58,352 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-31 22:12:58,371 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_118ebfdf-6be2-4258-8024-1ee5fc005d81/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Ended with exit code 0 [2024-10-31 22:12:58,371 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 22:12:58,371 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_118ebfdf-6be2-4258-8024-1ee5fc005d81/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:12:58,374 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_118ebfdf-6be2-4258-8024-1ee5fc005d81/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 22:12:58,375 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_118ebfdf-6be2-4258-8024-1ee5fc005d81/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2024-10-31 22:12:58,376 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 22:12:58,391 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-31 22:12:58,391 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-31 22:12:58,392 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-31 22:12:58,392 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-31 22:12:58,395 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-10-31 22:12:58,395 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-10-31 22:12:58,400 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-31 22:12:58,419 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_118ebfdf-6be2-4258-8024-1ee5fc005d81/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Ended with exit code 0 [2024-10-31 22:12:58,420 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 22:12:58,420 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_118ebfdf-6be2-4258-8024-1ee5fc005d81/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:12:58,422 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_118ebfdf-6be2-4258-8024-1ee5fc005d81/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 22:12:58,424 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_118ebfdf-6be2-4258-8024-1ee5fc005d81/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2024-10-31 22:12:58,425 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 22:12:58,440 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-31 22:12:58,440 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-31 22:12:58,440 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-31 22:12:58,440 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-31 22:12:58,440 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-31 22:12:58,441 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-31 22:12:58,442 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-31 22:12:58,443 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-31 22:12:58,463 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_118ebfdf-6be2-4258-8024-1ee5fc005d81/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Forceful destruction successful, exit code 0 [2024-10-31 22:12:58,463 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 22:12:58,463 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_118ebfdf-6be2-4258-8024-1ee5fc005d81/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:12:58,465 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_118ebfdf-6be2-4258-8024-1ee5fc005d81/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 22:12:58,468 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_118ebfdf-6be2-4258-8024-1ee5fc005d81/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2024-10-31 22:12:58,468 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 22:12:58,483 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-31 22:12:58,483 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-31 22:12:58,484 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-31 22:12:58,484 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-31 22:12:58,484 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-31 22:12:58,486 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-31 22:12:58,487 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-31 22:12:58,489 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-31 22:12:58,507 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_118ebfdf-6be2-4258-8024-1ee5fc005d81/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Ended with exit code 0 [2024-10-31 22:12:58,508 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 22:12:58,508 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_118ebfdf-6be2-4258-8024-1ee5fc005d81/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:12:58,511 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_118ebfdf-6be2-4258-8024-1ee5fc005d81/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 22:12:58,513 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_118ebfdf-6be2-4258-8024-1ee5fc005d81/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2024-10-31 22:12:58,514 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 22:12:58,529 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-31 22:12:58,529 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-31 22:12:58,529 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-31 22:12:58,529 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-31 22:12:58,530 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-31 22:12:58,534 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-31 22:12:58,534 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-31 22:12:58,536 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-31 22:12:58,555 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_118ebfdf-6be2-4258-8024-1ee5fc005d81/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Ended with exit code 0 [2024-10-31 22:12:58,556 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 22:12:58,556 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_118ebfdf-6be2-4258-8024-1ee5fc005d81/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:12:58,558 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_118ebfdf-6be2-4258-8024-1ee5fc005d81/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 22:12:58,560 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_118ebfdf-6be2-4258-8024-1ee5fc005d81/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Waiting until timeout for monitored process [2024-10-31 22:12:58,565 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 22:12:58,582 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-31 22:12:58,582 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-31 22:12:58,582 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-31 22:12:58,582 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-31 22:12:58,582 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-31 22:12:58,583 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-31 22:12:58,584 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-31 22:12:58,587 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-31 22:12:58,606 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_118ebfdf-6be2-4258-8024-1ee5fc005d81/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Forceful destruction successful, exit code 0 [2024-10-31 22:12:58,607 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 22:12:58,607 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_118ebfdf-6be2-4258-8024-1ee5fc005d81/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:12:58,609 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_118ebfdf-6be2-4258-8024-1ee5fc005d81/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 22:12:58,612 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_118ebfdf-6be2-4258-8024-1ee5fc005d81/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Waiting until timeout for monitored process [2024-10-31 22:12:58,614 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 22:12:58,628 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-31 22:12:58,628 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-31 22:12:58,629 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-31 22:12:58,629 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-31 22:12:58,629 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-31 22:12:58,630 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-31 22:12:58,630 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-31 22:12:58,635 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-31 22:12:58,654 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_118ebfdf-6be2-4258-8024-1ee5fc005d81/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Ended with exit code 0 [2024-10-31 22:12:58,655 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 22:12:58,655 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_118ebfdf-6be2-4258-8024-1ee5fc005d81/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:12:58,657 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_118ebfdf-6be2-4258-8024-1ee5fc005d81/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 22:12:58,658 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_118ebfdf-6be2-4258-8024-1ee5fc005d81/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Waiting until timeout for monitored process [2024-10-31 22:12:58,660 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 22:12:58,674 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-31 22:12:58,674 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-31 22:12:58,675 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-31 22:12:58,675 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-31 22:12:58,675 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-31 22:12:58,676 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-31 22:12:58,676 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-31 22:12:58,678 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-31 22:12:58,697 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_118ebfdf-6be2-4258-8024-1ee5fc005d81/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Ended with exit code 0 [2024-10-31 22:12:58,697 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 22:12:58,698 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_118ebfdf-6be2-4258-8024-1ee5fc005d81/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:12:58,699 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_118ebfdf-6be2-4258-8024-1ee5fc005d81/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 22:12:58,702 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_118ebfdf-6be2-4258-8024-1ee5fc005d81/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Waiting until timeout for monitored process [2024-10-31 22:12:58,703 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 22:12:58,717 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-31 22:12:58,718 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-31 22:12:58,718 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-31 22:12:58,718 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-31 22:12:58,718 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-31 22:12:58,719 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-31 22:12:58,719 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-31 22:12:58,722 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-31 22:12:58,741 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_118ebfdf-6be2-4258-8024-1ee5fc005d81/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Ended with exit code 0 [2024-10-31 22:12:58,742 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 22:12:58,742 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_118ebfdf-6be2-4258-8024-1ee5fc005d81/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:12:58,744 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_118ebfdf-6be2-4258-8024-1ee5fc005d81/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 22:12:58,745 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_118ebfdf-6be2-4258-8024-1ee5fc005d81/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Waiting until timeout for monitored process [2024-10-31 22:12:58,747 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 22:12:58,765 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-31 22:12:58,765 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-31 22:12:58,766 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-31 22:12:58,766 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-31 22:12:58,771 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-10-31 22:12:58,771 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-10-31 22:12:58,784 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-31 22:12:58,804 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_118ebfdf-6be2-4258-8024-1ee5fc005d81/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Ended with exit code 0 [2024-10-31 22:12:58,805 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 22:12:58,805 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_118ebfdf-6be2-4258-8024-1ee5fc005d81/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:12:58,807 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_118ebfdf-6be2-4258-8024-1ee5fc005d81/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 22:12:58,810 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_118ebfdf-6be2-4258-8024-1ee5fc005d81/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Waiting until timeout for monitored process [2024-10-31 22:12:58,813 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 22:12:58,828 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-31 22:12:58,828 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-31 22:12:58,828 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-31 22:12:58,829 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2024-10-31 22:12:58,829 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-31 22:12:58,832 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2024-10-31 22:12:58,832 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-31 22:12:58,839 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-31 22:12:58,858 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_118ebfdf-6be2-4258-8024-1ee5fc005d81/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Ended with exit code 0 [2024-10-31 22:12:58,860 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 22:12:58,860 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_118ebfdf-6be2-4258-8024-1ee5fc005d81/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:12:58,865 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_118ebfdf-6be2-4258-8024-1ee5fc005d81/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 22:12:58,867 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_118ebfdf-6be2-4258-8024-1ee5fc005d81/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Waiting until timeout for monitored process [2024-10-31 22:12:58,868 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 22:12:58,885 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-31 22:12:58,886 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-31 22:12:58,886 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-31 22:12:58,886 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-31 22:12:58,896 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-10-31 22:12:58,896 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-10-31 22:12:58,911 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2024-10-31 22:12:58,958 INFO L443 ModelExtractionUtils]: Simplification made 7 calls to the SMT solver. [2024-10-31 22:12:58,959 INFO L444 ModelExtractionUtils]: 1 out of 13 variables were initially zero. Simplification set additionally 9 variables to zero. [2024-10-31 22:12:58,964 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 22:12:58,964 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_118ebfdf-6be2-4258-8024-1ee5fc005d81/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:12:58,980 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_118ebfdf-6be2-4258-8024-1ee5fc005d81/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 22:12:58,982 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_118ebfdf-6be2-4258-8024-1ee5fc005d81/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Waiting until timeout for monitored process [2024-10-31 22:12:58,984 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2024-10-31 22:12:59,001 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2024-10-31 22:12:59,002 INFO L474 LassoAnalysis]: Proved termination. [2024-10-31 22:12:59,003 INFO L476 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select #length ULTIMATE.start_main_#t~malloc215#1.base)_1, ULTIMATE.start_cstrspn_~sc1~0#1.offset) = 1*v_rep(select #length ULTIMATE.start_main_#t~malloc215#1.base)_1 - 1*ULTIMATE.start_cstrspn_~sc1~0#1.offset Supporting invariants [] [2024-10-31 22:12:59,024 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_118ebfdf-6be2-4258-8024-1ee5fc005d81/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Ended with exit code 0 [2024-10-31 22:12:59,083 INFO L156 tatePredicateManager]: 9 out of 10 supporting invariants were superfluous and have been removed [2024-10-31 22:12:59,092 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #length [2024-10-31 22:12:59,093 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#length,GLOBAL] [2024-10-31 22:12:59,095 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~sc1~0!offset [2024-10-31 22:12:59,132 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:12:59,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:12:59,181 INFO L255 TraceCheckSpWp]: Trace formula consists of 74 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-10-31 22:12:59,183 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-31 22:12:59,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:12:59,230 INFO L255 TraceCheckSpWp]: Trace formula consists of 49 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-10-31 22:12:59,231 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-31 22:12:59,348 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 22:12:59,352 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 22:12:59,354 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 13 states and 17 transitions. cyclomatic complexity: 5 Second operand has 3 states, 3 states have (on average 4.333333333333333) internal successors, (13), 3 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 22:12:59,449 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 13 states and 17 transitions. cyclomatic complexity: 5. Second operand has 3 states, 3 states have (on average 4.333333333333333) internal successors, (13), 3 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 21 states and 28 transitions. Complement of second has 4 states. [2024-10-31 22:12:59,450 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2024-10-31 22:12:59,451 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 4.333333333333333) internal successors, (13), 3 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 22:12:59,452 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 17 transitions. [2024-10-31 22:12:59,453 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 17 transitions. Stem has 5 letters. Loop has 8 letters. [2024-10-31 22:12:59,454 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-10-31 22:12:59,455 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 17 transitions. Stem has 13 letters. Loop has 8 letters. [2024-10-31 22:12:59,455 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-10-31 22:12:59,455 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 17 transitions. Stem has 5 letters. Loop has 16 letters. [2024-10-31 22:12:59,456 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-10-31 22:12:59,456 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 21 states and 28 transitions. [2024-10-31 22:12:59,457 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2024-10-31 22:12:59,458 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 21 states to 18 states and 25 transitions. [2024-10-31 22:12:59,458 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 9 [2024-10-31 22:12:59,458 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 10 [2024-10-31 22:12:59,458 INFO L73 IsDeterministic]: Start isDeterministic. Operand 18 states and 25 transitions. [2024-10-31 22:12:59,459 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2024-10-31 22:12:59,459 INFO L218 hiAutomatonCegarLoop]: Abstraction has 18 states and 25 transitions. [2024-10-31 22:12:59,459 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18 states and 25 transitions. [2024-10-31 22:12:59,460 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18 to 18. [2024-10-31 22:12:59,461 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18 states, 18 states have (on average 1.3888888888888888) internal successors, (25), 17 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 22:12:59,461 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 25 transitions. [2024-10-31 22:12:59,462 INFO L240 hiAutomatonCegarLoop]: Abstraction has 18 states and 25 transitions. [2024-10-31 22:12:59,462 INFO L425 stractBuchiCegarLoop]: Abstraction has 18 states and 25 transitions. [2024-10-31 22:12:59,462 INFO L332 stractBuchiCegarLoop]: ======== Iteration 3 ============ [2024-10-31 22:12:59,462 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 18 states and 25 transitions. [2024-10-31 22:12:59,463 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2024-10-31 22:12:59,463 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-10-31 22:12:59,463 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-10-31 22:12:59,463 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2024-10-31 22:12:59,463 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2024-10-31 22:12:59,463 INFO L745 eck$LassoCheckResult]: Stem: 197#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 189#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet213#1, main_#t~nondet214#1, main_#t~malloc215#1.base, main_#t~malloc215#1.offset, main_#t~malloc216#1.base, main_#t~malloc216#1.offset, main_#t~ret217#1, main_~length1~0#1, main_~length2~0#1, main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset;havoc main_#t~nondet213#1;main_~length1~0#1 := main_#t~nondet213#1;havoc main_#t~nondet213#1;havoc main_#t~nondet214#1;main_~length2~0#1 := main_#t~nondet214#1;havoc main_#t~nondet214#1; 190#L382 assume !(main_~length1~0#1 < 1); 198#L382-2 assume !(main_~length2~0#1 < 1); 181#L385-1 call main_#t~malloc215#1.base, main_#t~malloc215#1.offset := #Ultimate.allocOnStack(main_~length1~0#1 % 18446744073709551616);main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset := main_#t~malloc215#1.base, main_#t~malloc215#1.offset;call main_#t~malloc216#1.base, main_#t~malloc216#1.offset := #Ultimate.allocOnStack(main_~length2~0#1 % 18446744073709551616);main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset := main_#t~malloc216#1.base, main_#t~malloc216#1.offset;call write~int#0(0, main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset + (main_~length1~0#1 - 1), 1);call write~int#1(0, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset, 1);main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset := main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset + (main_~length2~0#1 - 1);assume { :begin_inline_cstrspn } true;cstrspn_#in~s1#1.base, cstrspn_#in~s1#1.offset, cstrspn_#in~s2#1.base, cstrspn_#in~s2#1.offset := main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset;havoc cstrspn_#res#1;havoc cstrspn_#t~mem205#1, cstrspn_#t~mem206#1, cstrspn_#t~mem207#1, cstrspn_#t~mem208#1, cstrspn_#t~short209#1, cstrspn_#t~post210#1.base, cstrspn_#t~post210#1.offset, cstrspn_#t~mem211#1, cstrspn_#t~post212#1.base, cstrspn_#t~post212#1.offset, cstrspn_~s1#1.base, cstrspn_~s1#1.offset, cstrspn_~s2#1.base, cstrspn_~s2#1.offset, cstrspn_~sc1~0#1.base, cstrspn_~sc1~0#1.offset, cstrspn_~s~0#1.base, cstrspn_~s~0#1.offset, cstrspn_~c~0#1;cstrspn_~s1#1.base, cstrspn_~s1#1.offset := cstrspn_#in~s1#1.base, cstrspn_#in~s1#1.offset;cstrspn_~s2#1.base, cstrspn_~s2#1.offset := cstrspn_#in~s2#1.base, cstrspn_#in~s2#1.offset;havoc cstrspn_~sc1~0#1.base, cstrspn_~sc1~0#1.offset;havoc cstrspn_~s~0#1.base, cstrspn_~s~0#1.offset;havoc cstrspn_~c~0#1;cstrspn_~sc1~0#1.base, cstrspn_~sc1~0#1.offset := cstrspn_~s1#1.base, cstrspn_~s1#1.offset; 182#L369-4 call cstrspn_#t~mem205#1 := read~int#0(cstrspn_~sc1~0#1.base, cstrspn_~sc1~0#1.offset, 1); 192#L369-1 assume !!(0 != cstrspn_#t~mem205#1);havoc cstrspn_#t~mem205#1;cstrspn_~s~0#1.base, cstrspn_~s~0#1.offset := cstrspn_~s2#1.base, cstrspn_~s2#1.offset;call cstrspn_#t~mem206#1 := read~int#0(cstrspn_~sc1~0#1.base, cstrspn_~sc1~0#1.offset, 1);cstrspn_~c~0#1 := cstrspn_#t~mem206#1;havoc cstrspn_#t~mem206#1; 185#L372-5 [2024-10-31 22:12:59,464 INFO L747 eck$LassoCheckResult]: Loop: 185#L372-5 call cstrspn_#t~mem207#1 := read~int#1(cstrspn_~s~0#1.base, cstrspn_~s~0#1.offset, 1);cstrspn_#t~short209#1 := 0 != cstrspn_#t~mem207#1; 186#L372-1 assume cstrspn_#t~short209#1;call cstrspn_#t~mem208#1 := read~int#1(cstrspn_~s~0#1.base, cstrspn_~s~0#1.offset, 1);cstrspn_#t~short209#1 := cstrspn_#t~mem208#1 != (if cstrspn_~c~0#1 % 256 <= 127 then cstrspn_~c~0#1 % 256 else cstrspn_~c~0#1 % 256 - 256); 195#L372-3 assume !!cstrspn_#t~short209#1;havoc cstrspn_#t~mem207#1;havoc cstrspn_#t~mem208#1;havoc cstrspn_#t~short209#1;cstrspn_#t~post210#1.base, cstrspn_#t~post210#1.offset := cstrspn_~s~0#1.base, cstrspn_~s~0#1.offset;cstrspn_~s~0#1.base, cstrspn_~s~0#1.offset := cstrspn_#t~post210#1.base, cstrspn_#t~post210#1.offset - 1; 185#L372-5 [2024-10-31 22:12:59,464 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:12:59,464 INFO L85 PathProgramCache]: Analyzing trace with hash 1806935595, now seen corresponding path program 1 times [2024-10-31 22:12:59,464 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:12:59,464 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2050132260] [2024-10-31 22:12:59,465 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:12:59,465 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:12:59,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 22:12:59,532 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-31 22:12:59,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 22:12:59,570 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-31 22:12:59,571 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:12:59,571 INFO L85 PathProgramCache]: Analyzing trace with hash 58692, now seen corresponding path program 1 times [2024-10-31 22:12:59,571 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:12:59,571 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1455949507] [2024-10-31 22:12:59,571 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:12:59,571 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:12:59,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 22:12:59,586 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-31 22:12:59,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 22:12:59,593 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-31 22:12:59,593 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:12:59,594 INFO L85 PathProgramCache]: Analyzing trace with hash 1593218778, now seen corresponding path program 1 times [2024-10-31 22:12:59,594 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:12:59,594 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [384959922] [2024-10-31 22:12:59,594 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:12:59,594 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:12:59,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 22:12:59,628 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-31 22:12:59,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 22:12:59,672 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-31 22:12:59,911 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_118ebfdf-6be2-4258-8024-1ee5fc005d81/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Ended with exit code 0 [2024-10-31 22:13:00,725 INFO L204 LassoAnalysis]: Preferences: [2024-10-31 22:13:00,725 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-10-31 22:13:00,725 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-10-31 22:13:00,725 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-10-31 22:13:00,725 INFO L128 ssoRankerPreferences]: Use exernal solver: false [2024-10-31 22:13:00,726 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 22:13:00,726 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-10-31 22:13:00,726 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-10-31 22:13:00,726 INFO L132 ssoRankerPreferences]: Filename of dumped script: cstrspn_mixed_alloca.i_Iteration3_Lasso [2024-10-31 22:13:00,726 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-10-31 22:13:00,726 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-10-31 22:13:00,729 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:13:00,733 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:13:00,736 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:13:00,740 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:13:00,743 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:13:00,746 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:13:00,749 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:13:00,751 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:13:00,754 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:13:00,757 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:13:00,759 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:13:00,763 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:13:00,765 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:13:00,768 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:13:00,770 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:13:01,144 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:13:01,147 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:13:01,150 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:13:01,152 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:13:01,156 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:13:01,159 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:13:01,161 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:13:01,164 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:13:01,166 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:13:01,171 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:13:01,174 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:13:01,840 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-10-31 22:13:01,841 INFO L451 LassoAnalysis]: Using template 'affine'. [2024-10-31 22:13:01,841 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 22:13:01,842 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_118ebfdf-6be2-4258-8024-1ee5fc005d81/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:13:01,844 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_118ebfdf-6be2-4258-8024-1ee5fc005d81/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 22:13:01,845 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_118ebfdf-6be2-4258-8024-1ee5fc005d81/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Waiting until timeout for monitored process [2024-10-31 22:13:01,846 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 22:13:01,860 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-31 22:13:01,860 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-31 22:13:01,861 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-31 22:13:01,861 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-31 22:13:01,861 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-31 22:13:01,862 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-31 22:13:01,862 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-31 22:13:01,865 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-31 22:13:01,883 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_118ebfdf-6be2-4258-8024-1ee5fc005d81/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Ended with exit code 0 [2024-10-31 22:13:01,883 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 22:13:01,883 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_118ebfdf-6be2-4258-8024-1ee5fc005d81/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:13:01,885 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_118ebfdf-6be2-4258-8024-1ee5fc005d81/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 22:13:01,890 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_118ebfdf-6be2-4258-8024-1ee5fc005d81/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Waiting until timeout for monitored process [2024-10-31 22:13:01,892 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 22:13:01,905 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-31 22:13:01,906 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-31 22:13:01,906 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-31 22:13:01,906 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-31 22:13:01,906 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-31 22:13:01,906 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-31 22:13:01,906 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-31 22:13:01,908 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-31 22:13:01,920 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_118ebfdf-6be2-4258-8024-1ee5fc005d81/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Forceful destruction successful, exit code 0 [2024-10-31 22:13:01,920 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 22:13:01,920 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_118ebfdf-6be2-4258-8024-1ee5fc005d81/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:13:01,921 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_118ebfdf-6be2-4258-8024-1ee5fc005d81/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 22:13:01,923 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_118ebfdf-6be2-4258-8024-1ee5fc005d81/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Waiting until timeout for monitored process [2024-10-31 22:13:01,923 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 22:13:01,934 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-31 22:13:01,934 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-31 22:13:01,935 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-31 22:13:01,935 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-31 22:13:01,935 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-31 22:13:01,935 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-31 22:13:01,935 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-31 22:13:01,936 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-31 22:13:01,953 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_118ebfdf-6be2-4258-8024-1ee5fc005d81/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Ended with exit code 0 [2024-10-31 22:13:01,953 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 22:13:01,953 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_118ebfdf-6be2-4258-8024-1ee5fc005d81/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:13:01,954 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_118ebfdf-6be2-4258-8024-1ee5fc005d81/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 22:13:01,956 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_118ebfdf-6be2-4258-8024-1ee5fc005d81/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Waiting until timeout for monitored process [2024-10-31 22:13:01,957 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 22:13:01,971 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-31 22:13:01,971 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-31 22:13:01,971 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-31 22:13:01,972 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-31 22:13:01,973 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-10-31 22:13:01,974 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-10-31 22:13:01,977 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-31 22:13:01,996 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_118ebfdf-6be2-4258-8024-1ee5fc005d81/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Forceful destruction successful, exit code 0 [2024-10-31 22:13:01,997 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 22:13:01,997 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_118ebfdf-6be2-4258-8024-1ee5fc005d81/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:13:01,999 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_118ebfdf-6be2-4258-8024-1ee5fc005d81/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 22:13:02,000 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_118ebfdf-6be2-4258-8024-1ee5fc005d81/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Waiting until timeout for monitored process [2024-10-31 22:13:02,001 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 22:13:02,015 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-31 22:13:02,015 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-31 22:13:02,015 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-31 22:13:02,015 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-31 22:13:02,015 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-31 22:13:02,016 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-31 22:13:02,016 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-31 22:13:02,018 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-31 22:13:02,036 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_118ebfdf-6be2-4258-8024-1ee5fc005d81/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Ended with exit code 0 [2024-10-31 22:13:02,036 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 22:13:02,036 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_118ebfdf-6be2-4258-8024-1ee5fc005d81/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:13:02,038 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_118ebfdf-6be2-4258-8024-1ee5fc005d81/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 22:13:02,040 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_118ebfdf-6be2-4258-8024-1ee5fc005d81/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Waiting until timeout for monitored process [2024-10-31 22:13:02,040 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 22:13:02,055 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-31 22:13:02,055 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-31 22:13:02,055 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-31 22:13:02,055 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-31 22:13:02,055 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-31 22:13:02,056 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-31 22:13:02,056 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-31 22:13:02,058 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-31 22:13:02,076 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_118ebfdf-6be2-4258-8024-1ee5fc005d81/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Forceful destruction successful, exit code 0 [2024-10-31 22:13:02,077 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 22:13:02,077 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_118ebfdf-6be2-4258-8024-1ee5fc005d81/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:13:02,079 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_118ebfdf-6be2-4258-8024-1ee5fc005d81/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 22:13:02,081 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_118ebfdf-6be2-4258-8024-1ee5fc005d81/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Waiting until timeout for monitored process [2024-10-31 22:13:02,081 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 22:13:02,096 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-31 22:13:02,096 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-31 22:13:02,096 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-31 22:13:02,096 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-31 22:13:02,096 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-31 22:13:02,097 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-31 22:13:02,097 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-31 22:13:02,101 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-31 22:13:02,119 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_118ebfdf-6be2-4258-8024-1ee5fc005d81/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Forceful destruction successful, exit code 0 [2024-10-31 22:13:02,123 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 22:13:02,124 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_118ebfdf-6be2-4258-8024-1ee5fc005d81/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:13:02,127 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_118ebfdf-6be2-4258-8024-1ee5fc005d81/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 22:13:02,129 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_118ebfdf-6be2-4258-8024-1ee5fc005d81/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Waiting until timeout for monitored process [2024-10-31 22:13:02,131 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 22:13:02,145 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-31 22:13:02,146 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-31 22:13:02,146 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-31 22:13:02,146 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-31 22:13:02,146 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-31 22:13:02,147 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-31 22:13:02,147 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-31 22:13:02,149 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-31 22:13:02,168 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_118ebfdf-6be2-4258-8024-1ee5fc005d81/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Forceful destruction successful, exit code 0 [2024-10-31 22:13:02,168 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 22:13:02,168 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_118ebfdf-6be2-4258-8024-1ee5fc005d81/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:13:02,170 INFO L229 MonitoredProcess]: Starting monitored process 26 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_118ebfdf-6be2-4258-8024-1ee5fc005d81/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 22:13:02,173 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_118ebfdf-6be2-4258-8024-1ee5fc005d81/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Waiting until timeout for monitored process [2024-10-31 22:13:02,174 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-10-31 22:13:02,196 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-31 22:13:02,196 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-31 22:13:02,196 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-31 22:13:02,197 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-31 22:13:02,197 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-31 22:13:02,197 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-31 22:13:02,197 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-31 22:13:02,203 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-31 22:13:02,222 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_118ebfdf-6be2-4258-8024-1ee5fc005d81/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Forceful destruction successful, exit code 0 [2024-10-31 22:13:02,223 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 22:13:02,223 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_118ebfdf-6be2-4258-8024-1ee5fc005d81/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:13:02,225 INFO L229 MonitoredProcess]: Starting monitored process 27 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_118ebfdf-6be2-4258-8024-1ee5fc005d81/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 22:13:02,227 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_118ebfdf-6be2-4258-8024-1ee5fc005d81/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Waiting until timeout for monitored process [2024-10-31 22:13:02,228 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 22:13:02,242 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-31 22:13:02,242 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-31 22:13:02,243 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-31 22:13:02,243 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-31 22:13:02,243 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-31 22:13:02,243 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-31 22:13:02,244 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-31 22:13:02,245 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-31 22:13:02,263 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_118ebfdf-6be2-4258-8024-1ee5fc005d81/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Forceful destruction successful, exit code 0 [2024-10-31 22:13:02,264 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 22:13:02,264 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_118ebfdf-6be2-4258-8024-1ee5fc005d81/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:13:02,266 INFO L229 MonitoredProcess]: Starting monitored process 28 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_118ebfdf-6be2-4258-8024-1ee5fc005d81/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 22:13:02,267 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_118ebfdf-6be2-4258-8024-1ee5fc005d81/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Waiting until timeout for monitored process [2024-10-31 22:13:02,269 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 22:13:02,283 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-31 22:13:02,283 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-31 22:13:02,283 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-31 22:13:02,283 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-31 22:13:02,285 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-10-31 22:13:02,285 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-10-31 22:13:02,290 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-31 22:13:02,308 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_118ebfdf-6be2-4258-8024-1ee5fc005d81/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Ended with exit code 0 [2024-10-31 22:13:02,309 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 22:13:02,309 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_118ebfdf-6be2-4258-8024-1ee5fc005d81/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:13:02,311 INFO L229 MonitoredProcess]: Starting monitored process 29 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_118ebfdf-6be2-4258-8024-1ee5fc005d81/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 22:13:02,313 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_118ebfdf-6be2-4258-8024-1ee5fc005d81/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Waiting until timeout for monitored process [2024-10-31 22:13:02,313 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 22:13:02,325 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-31 22:13:02,326 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-31 22:13:02,326 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-31 22:13:02,326 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-31 22:13:02,326 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-31 22:13:02,327 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-31 22:13:02,327 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-31 22:13:02,328 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-31 22:13:02,346 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_118ebfdf-6be2-4258-8024-1ee5fc005d81/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Forceful destruction successful, exit code 0 [2024-10-31 22:13:02,347 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 22:13:02,347 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_118ebfdf-6be2-4258-8024-1ee5fc005d81/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:13:02,349 INFO L229 MonitoredProcess]: Starting monitored process 30 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_118ebfdf-6be2-4258-8024-1ee5fc005d81/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 22:13:02,351 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_118ebfdf-6be2-4258-8024-1ee5fc005d81/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Waiting until timeout for monitored process [2024-10-31 22:13:02,352 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 22:13:02,366 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-31 22:13:02,367 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-31 22:13:02,367 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-31 22:13:02,367 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-31 22:13:02,367 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-31 22:13:02,368 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-31 22:13:02,368 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-31 22:13:02,369 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-31 22:13:02,387 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_118ebfdf-6be2-4258-8024-1ee5fc005d81/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Forceful destruction successful, exit code 0 [2024-10-31 22:13:02,388 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 22:13:02,388 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_118ebfdf-6be2-4258-8024-1ee5fc005d81/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:13:02,389 INFO L229 MonitoredProcess]: Starting monitored process 31 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_118ebfdf-6be2-4258-8024-1ee5fc005d81/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 22:13:02,391 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_118ebfdf-6be2-4258-8024-1ee5fc005d81/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Waiting until timeout for monitored process [2024-10-31 22:13:02,392 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 22:13:02,406 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-31 22:13:02,406 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-31 22:13:02,406 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-31 22:13:02,406 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-31 22:13:02,406 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-31 22:13:02,407 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-31 22:13:02,407 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-31 22:13:02,409 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-31 22:13:02,425 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_118ebfdf-6be2-4258-8024-1ee5fc005d81/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Ended with exit code 0 [2024-10-31 22:13:02,425 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 22:13:02,425 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_118ebfdf-6be2-4258-8024-1ee5fc005d81/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:13:02,426 INFO L229 MonitoredProcess]: Starting monitored process 32 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_118ebfdf-6be2-4258-8024-1ee5fc005d81/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 22:13:02,427 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_118ebfdf-6be2-4258-8024-1ee5fc005d81/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Waiting until timeout for monitored process [2024-10-31 22:13:02,428 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 22:13:02,440 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-31 22:13:02,440 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-31 22:13:02,440 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-31 22:13:02,440 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-31 22:13:02,446 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-10-31 22:13:02,446 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-10-31 22:13:02,457 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-31 22:13:02,475 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_118ebfdf-6be2-4258-8024-1ee5fc005d81/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Ended with exit code 0 [2024-10-31 22:13:02,476 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 22:13:02,476 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_118ebfdf-6be2-4258-8024-1ee5fc005d81/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:13:02,478 INFO L229 MonitoredProcess]: Starting monitored process 33 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_118ebfdf-6be2-4258-8024-1ee5fc005d81/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 22:13:02,480 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_118ebfdf-6be2-4258-8024-1ee5fc005d81/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Waiting until timeout for monitored process [2024-10-31 22:13:02,481 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 22:13:02,495 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-31 22:13:02,496 INFO L203 nArgumentSynthesizer]: 2 stem disjuncts [2024-10-31 22:13:02,496 INFO L204 nArgumentSynthesizer]: 6 loop disjuncts [2024-10-31 22:13:02,496 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-31 22:13:02,560 INFO L401 nArgumentSynthesizer]: We have 108 Motzkin's Theorem applications. [2024-10-31 22:13:02,560 INFO L402 nArgumentSynthesizer]: A total of 12 supporting invariants were added. [2024-10-31 22:13:02,726 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-31 22:13:02,747 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_118ebfdf-6be2-4258-8024-1ee5fc005d81/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Forceful destruction successful, exit code 0 [2024-10-31 22:13:02,748 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 22:13:02,748 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_118ebfdf-6be2-4258-8024-1ee5fc005d81/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:13:02,751 INFO L229 MonitoredProcess]: Starting monitored process 34 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_118ebfdf-6be2-4258-8024-1ee5fc005d81/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 22:13:02,752 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_118ebfdf-6be2-4258-8024-1ee5fc005d81/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Waiting until timeout for monitored process [2024-10-31 22:13:02,754 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 22:13:02,771 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-31 22:13:02,771 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-31 22:13:02,772 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-31 22:13:02,772 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-31 22:13:02,774 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-10-31 22:13:02,774 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-10-31 22:13:02,779 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-31 22:13:02,804 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_118ebfdf-6be2-4258-8024-1ee5fc005d81/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Ended with exit code 0 [2024-10-31 22:13:02,804 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 22:13:02,804 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_118ebfdf-6be2-4258-8024-1ee5fc005d81/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:13:02,809 INFO L229 MonitoredProcess]: Starting monitored process 35 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_118ebfdf-6be2-4258-8024-1ee5fc005d81/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 22:13:02,818 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 22:13:02,819 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_118ebfdf-6be2-4258-8024-1ee5fc005d81/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (35)] Waiting until timeout for monitored process [2024-10-31 22:13:02,835 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-31 22:13:02,836 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-31 22:13:02,836 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-31 22:13:02,836 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-31 22:13:02,842 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-10-31 22:13:02,842 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-10-31 22:13:02,854 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2024-10-31 22:13:02,873 INFO L443 ModelExtractionUtils]: Simplification made 6 calls to the SMT solver. [2024-10-31 22:13:02,874 INFO L444 ModelExtractionUtils]: 9 out of 16 variables were initially zero. Simplification set additionally 4 variables to zero. [2024-10-31 22:13:02,874 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 22:13:02,874 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_118ebfdf-6be2-4258-8024-1ee5fc005d81/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:13:02,876 INFO L229 MonitoredProcess]: Starting monitored process 36 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_118ebfdf-6be2-4258-8024-1ee5fc005d81/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 22:13:02,877 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_118ebfdf-6be2-4258-8024-1ee5fc005d81/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (36)] Waiting until timeout for monitored process [2024-10-31 22:13:02,878 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2024-10-31 22:13:02,896 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2024-10-31 22:13:02,896 INFO L474 LassoAnalysis]: Proved termination. [2024-10-31 22:13:02,896 INFO L476 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_cstrspn_~s~0#1.offset) = 2*ULTIMATE.start_cstrspn_~s~0#1.offset + 1 Supporting invariants [] [2024-10-31 22:13:02,915 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_118ebfdf-6be2-4258-8024-1ee5fc005d81/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (35)] Forceful destruction successful, exit code 0 [2024-10-31 22:13:02,942 INFO L156 tatePredicateManager]: 6 out of 6 supporting invariants were superfluous and have been removed [2024-10-31 22:13:02,945 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~s~0!offset [2024-10-31 22:13:02,964 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:13:02,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:13:02,998 INFO L255 TraceCheckSpWp]: Trace formula consists of 91 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-10-31 22:13:02,999 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-31 22:13:03,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:13:03,035 INFO L255 TraceCheckSpWp]: Trace formula consists of 26 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-10-31 22:13:03,035 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-31 22:13:03,065 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 22:13:03,066 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 22:13:03,066 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 18 states and 25 transitions. cyclomatic complexity: 9 Second operand has 3 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 3 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 22:13:03,103 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 18 states and 25 transitions. cyclomatic complexity: 9. Second operand has 3 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 3 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 33 states and 46 transitions. Complement of second has 5 states. [2024-10-31 22:13:03,104 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2024-10-31 22:13:03,107 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 3 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 22:13:03,107 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 14 transitions. [2024-10-31 22:13:03,107 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 14 transitions. Stem has 7 letters. Loop has 3 letters. [2024-10-31 22:13:03,107 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-10-31 22:13:03,107 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 14 transitions. Stem has 10 letters. Loop has 3 letters. [2024-10-31 22:13:03,108 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-10-31 22:13:03,108 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 14 transitions. Stem has 7 letters. Loop has 6 letters. [2024-10-31 22:13:03,108 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-10-31 22:13:03,108 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 33 states and 46 transitions. [2024-10-31 22:13:03,109 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2024-10-31 22:13:03,110 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 33 states to 25 states and 34 transitions. [2024-10-31 22:13:03,110 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 10 [2024-10-31 22:13:03,111 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 10 [2024-10-31 22:13:03,111 INFO L73 IsDeterministic]: Start isDeterministic. Operand 25 states and 34 transitions. [2024-10-31 22:13:03,111 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2024-10-31 22:13:03,111 INFO L218 hiAutomatonCegarLoop]: Abstraction has 25 states and 34 transitions. [2024-10-31 22:13:03,111 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25 states and 34 transitions. [2024-10-31 22:13:03,116 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25 to 24. [2024-10-31 22:13:03,117 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24 states, 24 states have (on average 1.375) internal successors, (33), 23 states have internal predecessors, (33), 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 22:13:03,117 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 24 states and 33 transitions. [2024-10-31 22:13:03,117 INFO L240 hiAutomatonCegarLoop]: Abstraction has 24 states and 33 transitions. [2024-10-31 22:13:03,118 INFO L425 stractBuchiCegarLoop]: Abstraction has 24 states and 33 transitions. [2024-10-31 22:13:03,118 INFO L332 stractBuchiCegarLoop]: ======== Iteration 4 ============ [2024-10-31 22:13:03,118 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 24 states and 33 transitions. [2024-10-31 22:13:03,118 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2024-10-31 22:13:03,119 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-10-31 22:13:03,119 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-10-31 22:13:03,119 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-31 22:13:03,119 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2024-10-31 22:13:03,120 INFO L745 eck$LassoCheckResult]: Stem: 324#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 314#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet213#1, main_#t~nondet214#1, main_#t~malloc215#1.base, main_#t~malloc215#1.offset, main_#t~malloc216#1.base, main_#t~malloc216#1.offset, main_#t~ret217#1, main_~length1~0#1, main_~length2~0#1, main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset;havoc main_#t~nondet213#1;main_~length1~0#1 := main_#t~nondet213#1;havoc main_#t~nondet213#1;havoc main_#t~nondet214#1;main_~length2~0#1 := main_#t~nondet214#1;havoc main_#t~nondet214#1; 315#L382 assume !(main_~length1~0#1 < 1); 325#L382-2 assume !(main_~length2~0#1 < 1); 306#L385-1 call main_#t~malloc215#1.base, main_#t~malloc215#1.offset := #Ultimate.allocOnStack(main_~length1~0#1 % 18446744073709551616);main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset := main_#t~malloc215#1.base, main_#t~malloc215#1.offset;call main_#t~malloc216#1.base, main_#t~malloc216#1.offset := #Ultimate.allocOnStack(main_~length2~0#1 % 18446744073709551616);main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset := main_#t~malloc216#1.base, main_#t~malloc216#1.offset;call write~int#0(0, main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset + (main_~length1~0#1 - 1), 1);call write~int#1(0, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset, 1);main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset := main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset + (main_~length2~0#1 - 1);assume { :begin_inline_cstrspn } true;cstrspn_#in~s1#1.base, cstrspn_#in~s1#1.offset, cstrspn_#in~s2#1.base, cstrspn_#in~s2#1.offset := main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset;havoc cstrspn_#res#1;havoc cstrspn_#t~mem205#1, cstrspn_#t~mem206#1, cstrspn_#t~mem207#1, cstrspn_#t~mem208#1, cstrspn_#t~short209#1, cstrspn_#t~post210#1.base, cstrspn_#t~post210#1.offset, cstrspn_#t~mem211#1, cstrspn_#t~post212#1.base, cstrspn_#t~post212#1.offset, cstrspn_~s1#1.base, cstrspn_~s1#1.offset, cstrspn_~s2#1.base, cstrspn_~s2#1.offset, cstrspn_~sc1~0#1.base, cstrspn_~sc1~0#1.offset, cstrspn_~s~0#1.base, cstrspn_~s~0#1.offset, cstrspn_~c~0#1;cstrspn_~s1#1.base, cstrspn_~s1#1.offset := cstrspn_#in~s1#1.base, cstrspn_#in~s1#1.offset;cstrspn_~s2#1.base, cstrspn_~s2#1.offset := cstrspn_#in~s2#1.base, cstrspn_#in~s2#1.offset;havoc cstrspn_~sc1~0#1.base, cstrspn_~sc1~0#1.offset;havoc cstrspn_~s~0#1.base, cstrspn_~s~0#1.offset;havoc cstrspn_~c~0#1;cstrspn_~sc1~0#1.base, cstrspn_~sc1~0#1.offset := cstrspn_~s1#1.base, cstrspn_~s1#1.offset; 307#L369-4 call cstrspn_#t~mem205#1 := read~int#0(cstrspn_~sc1~0#1.base, cstrspn_~sc1~0#1.offset, 1); 316#L369-1 assume !!(0 != cstrspn_#t~mem205#1);havoc cstrspn_#t~mem205#1;cstrspn_~s~0#1.base, cstrspn_~s~0#1.offset := cstrspn_~s2#1.base, cstrspn_~s2#1.offset;call cstrspn_#t~mem206#1 := read~int#0(cstrspn_~sc1~0#1.base, cstrspn_~sc1~0#1.offset, 1);cstrspn_~c~0#1 := cstrspn_#t~mem206#1;havoc cstrspn_#t~mem206#1; 327#L372-5 call cstrspn_#t~mem207#1 := read~int#1(cstrspn_~s~0#1.base, cstrspn_~s~0#1.offset, 1);cstrspn_#t~short209#1 := 0 != cstrspn_#t~mem207#1; 322#L372-1 assume !cstrspn_#t~short209#1; 323#L372-3 assume !cstrspn_#t~short209#1;havoc cstrspn_#t~mem207#1;havoc cstrspn_#t~mem208#1;havoc cstrspn_#t~short209#1; 308#L372-6 call cstrspn_#t~mem211#1 := read~int#1(cstrspn_~s~0#1.base, cstrspn_~s~0#1.offset, 1); 309#L374 assume !(cstrspn_#t~mem211#1 != cstrspn_~c~0#1);havoc cstrspn_#t~mem211#1; 320#L369-3 cstrspn_#t~post212#1.base, cstrspn_#t~post212#1.offset := cstrspn_~sc1~0#1.base, cstrspn_~sc1~0#1.offset;cstrspn_~sc1~0#1.base, cstrspn_~sc1~0#1.offset := cstrspn_#t~post212#1.base, 1 + cstrspn_#t~post212#1.offset;havoc cstrspn_#t~post212#1.base, cstrspn_#t~post212#1.offset; 317#L369-4 call cstrspn_#t~mem205#1 := read~int#0(cstrspn_~sc1~0#1.base, cstrspn_~sc1~0#1.offset, 1); 318#L369-1 assume !!(0 != cstrspn_#t~mem205#1);havoc cstrspn_#t~mem205#1;cstrspn_~s~0#1.base, cstrspn_~s~0#1.offset := cstrspn_~s2#1.base, cstrspn_~s2#1.offset;call cstrspn_#t~mem206#1 := read~int#0(cstrspn_~sc1~0#1.base, cstrspn_~sc1~0#1.offset, 1);cstrspn_~c~0#1 := cstrspn_#t~mem206#1;havoc cstrspn_#t~mem206#1; 310#L372-5 [2024-10-31 22:13:03,120 INFO L747 eck$LassoCheckResult]: Loop: 310#L372-5 call cstrspn_#t~mem207#1 := read~int#1(cstrspn_~s~0#1.base, cstrspn_~s~0#1.offset, 1);cstrspn_#t~short209#1 := 0 != cstrspn_#t~mem207#1; 311#L372-1 assume cstrspn_#t~short209#1;call cstrspn_#t~mem208#1 := read~int#1(cstrspn_~s~0#1.base, cstrspn_~s~0#1.offset, 1);cstrspn_#t~short209#1 := cstrspn_#t~mem208#1 != (if cstrspn_~c~0#1 % 256 <= 127 then cstrspn_~c~0#1 % 256 else cstrspn_~c~0#1 % 256 - 256); 321#L372-3 assume !!cstrspn_#t~short209#1;havoc cstrspn_#t~mem207#1;havoc cstrspn_#t~mem208#1;havoc cstrspn_#t~short209#1;cstrspn_#t~post210#1.base, cstrspn_#t~post210#1.offset := cstrspn_~s~0#1.base, cstrspn_~s~0#1.offset;cstrspn_~s~0#1.base, cstrspn_~s~0#1.offset := cstrspn_#t~post210#1.base, cstrspn_#t~post210#1.offset - 1; 310#L372-5 [2024-10-31 22:13:03,120 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:13:03,120 INFO L85 PathProgramCache]: Analyzing trace with hash 1587378397, now seen corresponding path program 1 times [2024-10-31 22:13:03,120 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:13:03,121 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1656110682] [2024-10-31 22:13:03,121 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:13:03,121 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:13:03,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:13:03,327 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 22:13:03,328 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 22:13:03,328 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1656110682] [2024-10-31 22:13:03,328 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1656110682] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 22:13:03,328 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 22:13:03,328 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-10-31 22:13:03,328 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1696965840] [2024-10-31 22:13:03,329 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 22:13:03,329 INFO L750 eck$LassoCheckResult]: stem already infeasible [2024-10-31 22:13:03,329 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:13:03,329 INFO L85 PathProgramCache]: Analyzing trace with hash 58692, now seen corresponding path program 2 times [2024-10-31 22:13:03,330 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:13:03,330 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [975997813] [2024-10-31 22:13:03,330 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:13:03,330 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:13:03,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 22:13:03,336 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-31 22:13:03,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 22:13:03,341 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-31 22:13:03,516 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 22:13:03,517 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-10-31 22:13:03,517 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2024-10-31 22:13:03,518 INFO L87 Difference]: Start difference. First operand 24 states and 33 transitions. cyclomatic complexity: 12 Second operand has 7 states, 7 states have (on average 2.142857142857143) internal successors, (15), 7 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 22:13:03,606 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-31 22:13:03,606 INFO L93 Difference]: Finished difference Result 30 states and 39 transitions. [2024-10-31 22:13:03,606 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 30 states and 39 transitions. [2024-10-31 22:13:03,607 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2024-10-31 22:13:03,608 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 30 states to 27 states and 35 transitions. [2024-10-31 22:13:03,608 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 11 [2024-10-31 22:13:03,608 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 11 [2024-10-31 22:13:03,608 INFO L73 IsDeterministic]: Start isDeterministic. Operand 27 states and 35 transitions. [2024-10-31 22:13:03,608 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2024-10-31 22:13:03,608 INFO L218 hiAutomatonCegarLoop]: Abstraction has 27 states and 35 transitions. [2024-10-31 22:13:03,608 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27 states and 35 transitions. [2024-10-31 22:13:03,610 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27 to 25. [2024-10-31 22:13:03,610 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 25 states, 25 states have (on average 1.32) internal successors, (33), 24 states have internal predecessors, (33), 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 22:13:03,611 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 25 states and 33 transitions. [2024-10-31 22:13:03,611 INFO L240 hiAutomatonCegarLoop]: Abstraction has 25 states and 33 transitions. [2024-10-31 22:13:03,611 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-10-31 22:13:03,612 INFO L425 stractBuchiCegarLoop]: Abstraction has 25 states and 33 transitions. [2024-10-31 22:13:03,612 INFO L332 stractBuchiCegarLoop]: ======== Iteration 5 ============ [2024-10-31 22:13:03,612 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 25 states and 33 transitions. [2024-10-31 22:13:03,613 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2024-10-31 22:13:03,613 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-10-31 22:13:03,613 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-10-31 22:13:03,614 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-31 22:13:03,614 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2024-10-31 22:13:03,614 INFO L745 eck$LassoCheckResult]: Stem: 394#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 384#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet213#1, main_#t~nondet214#1, main_#t~malloc215#1.base, main_#t~malloc215#1.offset, main_#t~malloc216#1.base, main_#t~malloc216#1.offset, main_#t~ret217#1, main_~length1~0#1, main_~length2~0#1, main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset;havoc main_#t~nondet213#1;main_~length1~0#1 := main_#t~nondet213#1;havoc main_#t~nondet213#1;havoc main_#t~nondet214#1;main_~length2~0#1 := main_#t~nondet214#1;havoc main_#t~nondet214#1; 385#L382 assume !(main_~length1~0#1 < 1); 395#L382-2 assume !(main_~length2~0#1 < 1); 376#L385-1 call main_#t~malloc215#1.base, main_#t~malloc215#1.offset := #Ultimate.allocOnStack(main_~length1~0#1 % 18446744073709551616);main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset := main_#t~malloc215#1.base, main_#t~malloc215#1.offset;call main_#t~malloc216#1.base, main_#t~malloc216#1.offset := #Ultimate.allocOnStack(main_~length2~0#1 % 18446744073709551616);main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset := main_#t~malloc216#1.base, main_#t~malloc216#1.offset;call write~int#0(0, main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset + (main_~length1~0#1 - 1), 1);call write~int#1(0, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset, 1);main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset := main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset + (main_~length2~0#1 - 1);assume { :begin_inline_cstrspn } true;cstrspn_#in~s1#1.base, cstrspn_#in~s1#1.offset, cstrspn_#in~s2#1.base, cstrspn_#in~s2#1.offset := main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset;havoc cstrspn_#res#1;havoc cstrspn_#t~mem205#1, cstrspn_#t~mem206#1, cstrspn_#t~mem207#1, cstrspn_#t~mem208#1, cstrspn_#t~short209#1, cstrspn_#t~post210#1.base, cstrspn_#t~post210#1.offset, cstrspn_#t~mem211#1, cstrspn_#t~post212#1.base, cstrspn_#t~post212#1.offset, cstrspn_~s1#1.base, cstrspn_~s1#1.offset, cstrspn_~s2#1.base, cstrspn_~s2#1.offset, cstrspn_~sc1~0#1.base, cstrspn_~sc1~0#1.offset, cstrspn_~s~0#1.base, cstrspn_~s~0#1.offset, cstrspn_~c~0#1;cstrspn_~s1#1.base, cstrspn_~s1#1.offset := cstrspn_#in~s1#1.base, cstrspn_#in~s1#1.offset;cstrspn_~s2#1.base, cstrspn_~s2#1.offset := cstrspn_#in~s2#1.base, cstrspn_#in~s2#1.offset;havoc cstrspn_~sc1~0#1.base, cstrspn_~sc1~0#1.offset;havoc cstrspn_~s~0#1.base, cstrspn_~s~0#1.offset;havoc cstrspn_~c~0#1;cstrspn_~sc1~0#1.base, cstrspn_~sc1~0#1.offset := cstrspn_~s1#1.base, cstrspn_~s1#1.offset; 377#L369-4 call cstrspn_#t~mem205#1 := read~int#0(cstrspn_~sc1~0#1.base, cstrspn_~sc1~0#1.offset, 1); 386#L369-1 assume !!(0 != cstrspn_#t~mem205#1);havoc cstrspn_#t~mem205#1;cstrspn_~s~0#1.base, cstrspn_~s~0#1.offset := cstrspn_~s2#1.base, cstrspn_~s2#1.offset;call cstrspn_#t~mem206#1 := read~int#0(cstrspn_~sc1~0#1.base, cstrspn_~sc1~0#1.offset, 1);cstrspn_~c~0#1 := cstrspn_#t~mem206#1;havoc cstrspn_#t~mem206#1; 399#L372-5 call cstrspn_#t~mem207#1 := read~int#1(cstrspn_~s~0#1.base, cstrspn_~s~0#1.offset, 1);cstrspn_#t~short209#1 := 0 != cstrspn_#t~mem207#1; 398#L372-1 assume cstrspn_#t~short209#1;call cstrspn_#t~mem208#1 := read~int#1(cstrspn_~s~0#1.base, cstrspn_~s~0#1.offset, 1);cstrspn_#t~short209#1 := cstrspn_#t~mem208#1 != (if cstrspn_~c~0#1 % 256 <= 127 then cstrspn_~c~0#1 % 256 else cstrspn_~c~0#1 % 256 - 256); 397#L372-3 assume !cstrspn_#t~short209#1;havoc cstrspn_#t~mem207#1;havoc cstrspn_#t~mem208#1;havoc cstrspn_#t~short209#1; 378#L372-6 call cstrspn_#t~mem211#1 := read~int#1(cstrspn_~s~0#1.base, cstrspn_~s~0#1.offset, 1); 379#L374 assume !(cstrspn_#t~mem211#1 != cstrspn_~c~0#1);havoc cstrspn_#t~mem211#1; 390#L369-3 cstrspn_#t~post212#1.base, cstrspn_#t~post212#1.offset := cstrspn_~sc1~0#1.base, cstrspn_~sc1~0#1.offset;cstrspn_~sc1~0#1.base, cstrspn_~sc1~0#1.offset := cstrspn_#t~post212#1.base, 1 + cstrspn_#t~post212#1.offset;havoc cstrspn_#t~post212#1.base, cstrspn_#t~post212#1.offset; 387#L369-4 call cstrspn_#t~mem205#1 := read~int#0(cstrspn_~sc1~0#1.base, cstrspn_~sc1~0#1.offset, 1); 388#L369-1 assume !!(0 != cstrspn_#t~mem205#1);havoc cstrspn_#t~mem205#1;cstrspn_~s~0#1.base, cstrspn_~s~0#1.offset := cstrspn_~s2#1.base, cstrspn_~s2#1.offset;call cstrspn_#t~mem206#1 := read~int#0(cstrspn_~sc1~0#1.base, cstrspn_~sc1~0#1.offset, 1);cstrspn_~c~0#1 := cstrspn_#t~mem206#1;havoc cstrspn_#t~mem206#1; 380#L372-5 [2024-10-31 22:13:03,614 INFO L747 eck$LassoCheckResult]: Loop: 380#L372-5 call cstrspn_#t~mem207#1 := read~int#1(cstrspn_~s~0#1.base, cstrspn_~s~0#1.offset, 1);cstrspn_#t~short209#1 := 0 != cstrspn_#t~mem207#1; 381#L372-1 assume cstrspn_#t~short209#1;call cstrspn_#t~mem208#1 := read~int#1(cstrspn_~s~0#1.base, cstrspn_~s~0#1.offset, 1);cstrspn_#t~short209#1 := cstrspn_#t~mem208#1 != (if cstrspn_~c~0#1 % 256 <= 127 then cstrspn_~c~0#1 % 256 else cstrspn_~c~0#1 % 256 - 256); 391#L372-3 assume !!cstrspn_#t~short209#1;havoc cstrspn_#t~mem207#1;havoc cstrspn_#t~mem208#1;havoc cstrspn_#t~short209#1;cstrspn_#t~post210#1.base, cstrspn_#t~post210#1.offset := cstrspn_~s~0#1.base, cstrspn_~s~0#1.offset;cstrspn_~s~0#1.base, cstrspn_~s~0#1.offset := cstrspn_#t~post210#1.base, cstrspn_#t~post210#1.offset - 1; 380#L372-5 [2024-10-31 22:13:03,615 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:13:03,615 INFO L85 PathProgramCache]: Analyzing trace with hash -187628965, now seen corresponding path program 2 times [2024-10-31 22:13:03,615 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:13:03,615 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1845972071] [2024-10-31 22:13:03,615 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:13:03,616 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:13:03,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 22:13:03,651 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-31 22:13:03,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 22:13:03,680 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-31 22:13:03,681 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:13:03,681 INFO L85 PathProgramCache]: Analyzing trace with hash 58692, now seen corresponding path program 3 times [2024-10-31 22:13:03,681 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:13:03,682 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [78861897] [2024-10-31 22:13:03,682 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:13:03,682 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:13:03,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 22:13:03,687 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-31 22:13:03,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 22:13:03,692 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-31 22:13:03,693 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:13:03,693 INFO L85 PathProgramCache]: Analyzing trace with hash -1902015318, now seen corresponding path program 1 times [2024-10-31 22:13:03,693 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:13:03,694 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [883991506] [2024-10-31 22:13:03,694 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:13:03,694 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:13:03,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 22:13:03,720 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-31 22:13:03,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 22:13:03,747 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-31 22:13:04,025 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_118ebfdf-6be2-4258-8024-1ee5fc005d81/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (36)] Ended with exit code 0 [2024-10-31 22:13:05,314 INFO L204 LassoAnalysis]: Preferences: [2024-10-31 22:13:05,314 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-10-31 22:13:05,314 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-10-31 22:13:05,315 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-10-31 22:13:05,315 INFO L128 ssoRankerPreferences]: Use exernal solver: false [2024-10-31 22:13:05,315 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 22:13:05,315 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-10-31 22:13:05,315 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-10-31 22:13:05,315 INFO L132 ssoRankerPreferences]: Filename of dumped script: cstrspn_mixed_alloca.i_Iteration5_Lasso [2024-10-31 22:13:05,315 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-10-31 22:13:05,315 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-10-31 22:13:05,318 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:13:05,322 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:13:05,324 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:13:05,327 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:13:05,329 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:13:05,332 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:13:05,334 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:13:05,337 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:13:06,061 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:13:06,064 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:13:06,067 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:13:06,070 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:13:06,073 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:13:06,076 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:13:06,079 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:13:06,082 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:13:06,085 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:13:06,091 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:13:06,094 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:13:06,097 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:13:06,100 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:13:06,103 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:13:06,105 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:13:06,108 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:13:07,412 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-10-31 22:13:07,413 INFO L451 LassoAnalysis]: Using template 'affine'. [2024-10-31 22:13:07,413 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 22:13:07,413 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_118ebfdf-6be2-4258-8024-1ee5fc005d81/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:13:07,415 INFO L229 MonitoredProcess]: Starting monitored process 37 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_118ebfdf-6be2-4258-8024-1ee5fc005d81/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 22:13:07,419 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_118ebfdf-6be2-4258-8024-1ee5fc005d81/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (37)] Waiting until timeout for monitored process [2024-10-31 22:13:07,421 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 22:13:07,436 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-31 22:13:07,437 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-31 22:13:07,437 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-31 22:13:07,437 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-31 22:13:07,437 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-31 22:13:07,438 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-31 22:13:07,438 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-31 22:13:07,439 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-31 22:13:07,452 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_118ebfdf-6be2-4258-8024-1ee5fc005d81/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (37)] Forceful destruction successful, exit code 0 [2024-10-31 22:13:07,452 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 22:13:07,452 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_118ebfdf-6be2-4258-8024-1ee5fc005d81/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:13:07,453 INFO L229 MonitoredProcess]: Starting monitored process 38 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_118ebfdf-6be2-4258-8024-1ee5fc005d81/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 22:13:07,455 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_118ebfdf-6be2-4258-8024-1ee5fc005d81/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (38)] Waiting until timeout for monitored process [2024-10-31 22:13:07,455 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 22:13:07,467 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-31 22:13:07,467 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-31 22:13:07,468 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-31 22:13:07,468 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-31 22:13:07,468 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-31 22:13:07,468 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-31 22:13:07,468 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-31 22:13:07,470 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-31 22:13:07,482 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_118ebfdf-6be2-4258-8024-1ee5fc005d81/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (38)] Forceful destruction successful, exit code 0 [2024-10-31 22:13:07,483 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 22:13:07,483 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_118ebfdf-6be2-4258-8024-1ee5fc005d81/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:13:07,484 INFO L229 MonitoredProcess]: Starting monitored process 39 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_118ebfdf-6be2-4258-8024-1ee5fc005d81/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 22:13:07,485 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_118ebfdf-6be2-4258-8024-1ee5fc005d81/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (39)] Waiting until timeout for monitored process [2024-10-31 22:13:07,486 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 22:13:07,498 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-31 22:13:07,498 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-31 22:13:07,498 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-31 22:13:07,498 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-31 22:13:07,498 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-31 22:13:07,498 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-31 22:13:07,499 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-31 22:13:07,502 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-31 22:13:07,518 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_118ebfdf-6be2-4258-8024-1ee5fc005d81/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (39)] Ended with exit code 0 [2024-10-31 22:13:07,518 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 22:13:07,518 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_118ebfdf-6be2-4258-8024-1ee5fc005d81/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:13:07,519 INFO L229 MonitoredProcess]: Starting monitored process 40 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_118ebfdf-6be2-4258-8024-1ee5fc005d81/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 22:13:07,521 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_118ebfdf-6be2-4258-8024-1ee5fc005d81/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (40)] Waiting until timeout for monitored process [2024-10-31 22:13:07,523 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 22:13:07,538 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-31 22:13:07,538 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-31 22:13:07,538 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-31 22:13:07,539 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-31 22:13:07,539 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-31 22:13:07,540 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-31 22:13:07,540 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-31 22:13:07,544 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-31 22:13:07,563 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_118ebfdf-6be2-4258-8024-1ee5fc005d81/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (40)] Ended with exit code 0 [2024-10-31 22:13:07,564 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 22:13:07,564 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_118ebfdf-6be2-4258-8024-1ee5fc005d81/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:13:07,566 INFO L229 MonitoredProcess]: Starting monitored process 41 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_118ebfdf-6be2-4258-8024-1ee5fc005d81/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 22:13:07,568 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_118ebfdf-6be2-4258-8024-1ee5fc005d81/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (41)] Waiting until timeout for monitored process [2024-10-31 22:13:07,569 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 22:13:07,585 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-31 22:13:07,586 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-31 22:13:07,586 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-31 22:13:07,586 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-31 22:13:07,586 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-31 22:13:07,587 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-31 22:13:07,587 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-31 22:13:07,588 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-31 22:13:07,607 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_118ebfdf-6be2-4258-8024-1ee5fc005d81/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (41)] Ended with exit code 0 [2024-10-31 22:13:07,608 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 22:13:07,609 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_118ebfdf-6be2-4258-8024-1ee5fc005d81/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:13:07,611 INFO L229 MonitoredProcess]: Starting monitored process 42 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_118ebfdf-6be2-4258-8024-1ee5fc005d81/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 22:13:07,613 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_118ebfdf-6be2-4258-8024-1ee5fc005d81/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (42)] Waiting until timeout for monitored process [2024-10-31 22:13:07,614 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 22:13:07,629 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-31 22:13:07,629 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-31 22:13:07,629 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-31 22:13:07,629 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-31 22:13:07,630 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-31 22:13:07,630 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-31 22:13:07,630 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-31 22:13:07,635 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-31 22:13:07,654 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_118ebfdf-6be2-4258-8024-1ee5fc005d81/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (42)] Ended with exit code 0 [2024-10-31 22:13:07,654 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 22:13:07,654 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_118ebfdf-6be2-4258-8024-1ee5fc005d81/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:13:07,657 INFO L229 MonitoredProcess]: Starting monitored process 43 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_118ebfdf-6be2-4258-8024-1ee5fc005d81/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 22:13:07,658 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_118ebfdf-6be2-4258-8024-1ee5fc005d81/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (43)] Waiting until timeout for monitored process [2024-10-31 22:13:07,659 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 22:13:07,671 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-31 22:13:07,671 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-31 22:13:07,671 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-31 22:13:07,671 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-31 22:13:07,671 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-31 22:13:07,672 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-31 22:13:07,672 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-31 22:13:07,674 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-31 22:13:07,692 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_118ebfdf-6be2-4258-8024-1ee5fc005d81/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (43)] Ended with exit code 0 [2024-10-31 22:13:07,693 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 22:13:07,693 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_118ebfdf-6be2-4258-8024-1ee5fc005d81/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:13:07,695 INFO L229 MonitoredProcess]: Starting monitored process 44 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_118ebfdf-6be2-4258-8024-1ee5fc005d81/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 22:13:07,697 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_118ebfdf-6be2-4258-8024-1ee5fc005d81/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (44)] Waiting until timeout for monitored process [2024-10-31 22:13:07,698 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 22:13:07,713 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-31 22:13:07,713 INFO L203 nArgumentSynthesizer]: 4 stem disjuncts [2024-10-31 22:13:07,713 INFO L204 nArgumentSynthesizer]: 6 loop disjuncts [2024-10-31 22:13:07,713 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-31 22:13:07,807 INFO L401 nArgumentSynthesizer]: We have 132 Motzkin's Theorem applications. [2024-10-31 22:13:07,807 INFO L402 nArgumentSynthesizer]: A total of 12 supporting invariants were added. [2024-10-31 22:13:08,012 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-31 22:13:08,026 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_118ebfdf-6be2-4258-8024-1ee5fc005d81/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (44)] Forceful destruction successful, exit code 0 [2024-10-31 22:13:08,027 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 22:13:08,027 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_118ebfdf-6be2-4258-8024-1ee5fc005d81/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:13:08,029 INFO L229 MonitoredProcess]: Starting monitored process 45 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_118ebfdf-6be2-4258-8024-1ee5fc005d81/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 22:13:08,030 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_118ebfdf-6be2-4258-8024-1ee5fc005d81/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (45)] Waiting until timeout for monitored process [2024-10-31 22:13:08,031 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 22:13:08,043 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-31 22:13:08,043 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-31 22:13:08,044 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-31 22:13:08,044 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-31 22:13:08,047 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-10-31 22:13:08,047 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-10-31 22:13:08,053 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-31 22:13:08,065 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_118ebfdf-6be2-4258-8024-1ee5fc005d81/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (45)] Ended with exit code 0 [2024-10-31 22:13:08,065 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 22:13:08,065 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_118ebfdf-6be2-4258-8024-1ee5fc005d81/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:13:08,067 INFO L229 MonitoredProcess]: Starting monitored process 46 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_118ebfdf-6be2-4258-8024-1ee5fc005d81/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 22:13:08,068 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_118ebfdf-6be2-4258-8024-1ee5fc005d81/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (46)] Waiting until timeout for monitored process [2024-10-31 22:13:08,069 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 22:13:08,085 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-31 22:13:08,085 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-31 22:13:08,085 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-31 22:13:08,085 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-31 22:13:08,092 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-10-31 22:13:08,092 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-10-31 22:13:08,106 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2024-10-31 22:13:08,153 INFO L443 ModelExtractionUtils]: Simplification made 12 calls to the SMT solver. [2024-10-31 22:13:08,153 INFO L444 ModelExtractionUtils]: 5 out of 19 variables were initially zero. Simplification set additionally 11 variables to zero. [2024-10-31 22:13:08,154 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 22:13:08,154 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_118ebfdf-6be2-4258-8024-1ee5fc005d81/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:13:08,156 INFO L229 MonitoredProcess]: Starting monitored process 47 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_118ebfdf-6be2-4258-8024-1ee5fc005d81/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 22:13:08,158 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_118ebfdf-6be2-4258-8024-1ee5fc005d81/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (47)] Waiting until timeout for monitored process [2024-10-31 22:13:08,159 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2024-10-31 22:13:08,173 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2024-10-31 22:13:08,173 INFO L474 LassoAnalysis]: Proved termination. [2024-10-31 22:13:08,173 INFO L476 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_cstrspn_~s~0#1.offset) = 2*ULTIMATE.start_cstrspn_~s~0#1.offset + 1 Supporting invariants [] [2024-10-31 22:13:08,198 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_118ebfdf-6be2-4258-8024-1ee5fc005d81/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (46)] Forceful destruction successful, exit code 0 [2024-10-31 22:13:08,266 INFO L156 tatePredicateManager]: 16 out of 16 supporting invariants were superfluous and have been removed [2024-10-31 22:13:08,268 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~s~0!offset [2024-10-31 22:13:08,282 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:13:08,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:13:08,319 INFO L255 TraceCheckSpWp]: Trace formula consists of 136 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-10-31 22:13:08,320 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-31 22:13:08,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:13:08,353 INFO L255 TraceCheckSpWp]: Trace formula consists of 26 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-10-31 22:13:08,354 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-31 22:13:08,375 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 22:13:08,376 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 22:13:08,376 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 25 states and 33 transitions. cyclomatic complexity: 11 Second operand has 3 states, 3 states have (on average 5.666666666666667) internal successors, (17), 3 states have internal predecessors, (17), 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 22:13:08,402 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 25 states and 33 transitions. cyclomatic complexity: 11. Second operand has 3 states, 3 states have (on average 5.666666666666667) internal successors, (17), 3 states have internal predecessors, (17), 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 31 states and 40 transitions. Complement of second has 5 states. [2024-10-31 22:13:08,403 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2024-10-31 22:13:08,403 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 5.666666666666667) internal successors, (17), 3 states have internal predecessors, (17), 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 22:13:08,404 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 14 transitions. [2024-10-31 22:13:08,404 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 14 transitions. Stem has 15 letters. Loop has 3 letters. [2024-10-31 22:13:08,404 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-10-31 22:13:08,404 INFO L682 stractBuchiCegarLoop]: Bad chosen interpolant automaton: word not accepted [2024-10-31 22:13:08,419 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:13:08,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:13:08,451 INFO L255 TraceCheckSpWp]: Trace formula consists of 136 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-10-31 22:13:08,452 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-31 22:13:08,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:13:08,485 INFO L255 TraceCheckSpWp]: Trace formula consists of 26 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-10-31 22:13:08,485 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-31 22:13:08,505 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 22:13:08,505 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and with honda bouncer for loop.1 stem predicates 2 loop predicates [2024-10-31 22:13:08,506 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 25 states and 33 transitions. cyclomatic complexity: 11 Second operand has 3 states, 3 states have (on average 5.666666666666667) internal successors, (17), 3 states have internal predecessors, (17), 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 22:13:08,527 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 25 states and 33 transitions. cyclomatic complexity: 11. Second operand has 3 states, 3 states have (on average 5.666666666666667) internal successors, (17), 3 states have internal predecessors, (17), 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 31 states and 40 transitions. Complement of second has 5 states. [2024-10-31 22:13:08,527 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2024-10-31 22:13:08,528 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 5.666666666666667) internal successors, (17), 3 states have internal predecessors, (17), 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 22:13:08,529 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 14 transitions. [2024-10-31 22:13:08,529 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 14 transitions. Stem has 15 letters. Loop has 3 letters. [2024-10-31 22:13:08,529 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-10-31 22:13:08,529 INFO L682 stractBuchiCegarLoop]: Bad chosen interpolant automaton: word not accepted [2024-10-31 22:13:08,542 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:13:08,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:13:08,575 INFO L255 TraceCheckSpWp]: Trace formula consists of 136 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-10-31 22:13:08,576 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-31 22:13:08,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:13:08,607 INFO L255 TraceCheckSpWp]: Trace formula consists of 26 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-10-31 22:13:08,607 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-31 22:13:08,628 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 22:13:08,628 INFO L141 lantAutomatonBouncer]: Defining Buchi interpolant automaton with scrooge nondeterminism in stemwith honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2024-10-31 22:13:08,629 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 25 states and 33 transitions. cyclomatic complexity: 11 Second operand has 3 states, 3 states have (on average 5.666666666666667) internal successors, (17), 3 states have internal predecessors, (17), 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 22:13:08,657 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 25 states and 33 transitions. cyclomatic complexity: 11. Second operand has 3 states, 3 states have (on average 5.666666666666667) internal successors, (17), 3 states have internal predecessors, (17), 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 36 states and 48 transitions. Complement of second has 4 states. [2024-10-31 22:13:08,658 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2024-10-31 22:13:08,658 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 5.666666666666667) internal successors, (17), 3 states have internal predecessors, (17), 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 22:13:08,659 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 23 transitions. [2024-10-31 22:13:08,659 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 23 transitions. Stem has 15 letters. Loop has 3 letters. [2024-10-31 22:13:08,659 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-10-31 22:13:08,660 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 23 transitions. Stem has 18 letters. Loop has 3 letters. [2024-10-31 22:13:08,660 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-10-31 22:13:08,660 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 23 transitions. Stem has 15 letters. Loop has 6 letters. [2024-10-31 22:13:08,660 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-10-31 22:13:08,661 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 36 states and 48 transitions. [2024-10-31 22:13:08,662 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2024-10-31 22:13:08,662 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 36 states to 0 states and 0 transitions. [2024-10-31 22:13:08,663 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2024-10-31 22:13:08,663 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2024-10-31 22:13:08,663 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2024-10-31 22:13:08,663 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2024-10-31 22:13:08,663 INFO L218 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-10-31 22:13:08,663 INFO L240 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-10-31 22:13:08,663 INFO L425 stractBuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-10-31 22:13:08,663 INFO L332 stractBuchiCegarLoop]: ======== Iteration 6 ============ [2024-10-31 22:13:08,663 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2024-10-31 22:13:08,663 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2024-10-31 22:13:08,663 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2024-10-31 22:13:08,671 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 31.10 10:13:08 BoogieIcfgContainer [2024-10-31 22:13:08,671 INFO L131 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2024-10-31 22:13:08,672 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-10-31 22:13:08,672 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-10-31 22:13:08,672 INFO L274 PluginConnector]: Witness Printer initialized [2024-10-31 22:13:08,673 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.10 10:12:54" (3/4) ... [2024-10-31 22:13:08,676 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-10-31 22:13:08,677 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-10-31 22:13:08,678 INFO L158 Benchmark]: Toolchain (without parser) took 15489.34ms. Allocated memory was 148.9MB in the beginning and 226.5MB in the end (delta: 77.6MB). Free memory was 120.4MB in the beginning and 70.9MB in the end (delta: 49.4MB). Peak memory consumption was 127.0MB. Max. memory is 16.1GB. [2024-10-31 22:13:08,678 INFO L158 Benchmark]: CDTParser took 0.24ms. Allocated memory is still 121.6MB. Free memory is still 95.8MB. There was no memory consumed. Max. memory is 16.1GB. [2024-10-31 22:13:08,679 INFO L158 Benchmark]: CACSL2BoogieTranslator took 651.66ms. Allocated memory is still 148.9MB. Free memory was 119.9MB in the beginning and 99.9MB in the end (delta: 20.0MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2024-10-31 22:13:08,679 INFO L158 Benchmark]: Boogie Procedure Inliner took 43.05ms. Allocated memory is still 148.9MB. Free memory was 99.9MB in the beginning and 97.9MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-10-31 22:13:08,680 INFO L158 Benchmark]: Boogie Preprocessor took 52.53ms. Allocated memory is still 148.9MB. Free memory was 97.9MB in the beginning and 95.4MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-10-31 22:13:08,680 INFO L158 Benchmark]: RCFGBuilder took 364.57ms. Allocated memory is still 148.9MB. Free memory was 95.4MB in the beginning and 81.7MB in the end (delta: 13.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-10-31 22:13:08,680 INFO L158 Benchmark]: BuchiAutomizer took 14366.63ms. Allocated memory was 148.9MB in the beginning and 226.5MB in the end (delta: 77.6MB). Free memory was 81.7MB in the beginning and 70.9MB in the end (delta: 10.7MB). Peak memory consumption was 89.3MB. Max. memory is 16.1GB. [2024-10-31 22:13:08,681 INFO L158 Benchmark]: Witness Printer took 5.26ms. Allocated memory is still 226.5MB. Free memory is still 70.9MB. There was no memory consumed. Max. memory is 16.1GB. [2024-10-31 22:13:08,682 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24ms. Allocated memory is still 121.6MB. Free memory is still 95.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 651.66ms. Allocated memory is still 148.9MB. Free memory was 119.9MB in the beginning and 99.9MB in the end (delta: 20.0MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 43.05ms. Allocated memory is still 148.9MB. Free memory was 99.9MB in the beginning and 97.9MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 52.53ms. Allocated memory is still 148.9MB. Free memory was 97.9MB in the beginning and 95.4MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 364.57ms. Allocated memory is still 148.9MB. Free memory was 95.4MB in the beginning and 81.7MB in the end (delta: 13.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * BuchiAutomizer took 14366.63ms. Allocated memory was 148.9MB in the beginning and 226.5MB in the end (delta: 77.6MB). Free memory was 81.7MB in the beginning and 70.9MB in the end (delta: 10.7MB). Peak memory consumption was 89.3MB. Max. memory is 16.1GB. * Witness Printer took 5.26ms. Allocated memory is still 226.5MB. Free memory is still 70.9MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #length - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#length,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~sc1~0!offset - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~s~0!offset - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~s~0!offset * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 5 terminating modules (2 trivial, 2 deterministic, 1 nondeterministic). One deterministic module has affine ranking function null and consists of 3 locations. One deterministic module has affine ranking function null and consists of 3 locations. One nondeterministic module has affine ranking function null and consists of 3 locations. 2 modules have a trivial ranking function, the largest among these consists of 7 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 14.3s and 6 iterations. TraceHistogramMax:2. Analysis of lassos took 13.0s. Construction of modules took 0.1s. Büchi inclusion checks took 0.9s. Highest rank in rank-based complementation 3. Minimization of det autom 2. Minimization of nondet autom 3. Automata minimization 0.0s AutomataMinimizationTime, 4 MinimizatonAttempts, 3 StatesRemovedByMinimization, 2 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had -1 states and ocurred in iteration -1. Nontrivial modules had stage [2, 0, 1, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 96 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 92 mSDsluCounter, 158 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 58 mSDsCounter, 12 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 83 IncrementalHoareTripleChecker+Invalid, 95 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 12 mSolverCounterUnsat, 100 mSDtfsCounter, 83 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont0 unkn0 SFLI1 SFLT0 conc0 concLT0 SILN0 SILU1 SILI0 SILT0 lasso3 LassoPreprocessingBenchmarks: Lassos: inital246 mio100 ax100 hnf100 lsp110 ukn65 mio100 lsp27 div184 bol100 ite100 ukn100 eq153 hnf95 smp66 dnf784 smp23 tf101 neg100 sie111 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 319ms VariablesStem: 7 VariablesLoop: 4 DisjunctsStem: 4 DisjunctsLoop: 6 SupportingInvariants: 12 MotzkinApplications: 132 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s InitialAbstractionConstructionTime: 0.0s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! [2024-10-31 22:13:08,715 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_118ebfdf-6be2-4258-8024-1ee5fc005d81/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (47)] Forceful destruction successful, exit code 0 [2024-10-31 22:13:08,936 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_118ebfdf-6be2-4258-8024-1ee5fc005d81/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE