./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/array-memsafety/cstrcat-alloca-2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 0e0057cc 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_de1d0839-cfda-4aaf-90eb-90550bfee5ca/bin/uautomizer-verify-VRDe98Ueme/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de1d0839-cfda-4aaf-90eb-90550bfee5ca/bin/uautomizer-verify-VRDe98Ueme/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de1d0839-cfda-4aaf-90eb-90550bfee5ca/bin/uautomizer-verify-VRDe98Ueme/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de1d0839-cfda-4aaf-90eb-90550bfee5ca/bin/uautomizer-verify-VRDe98Ueme/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/array-memsafety/cstrcat-alloca-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de1d0839-cfda-4aaf-90eb-90550bfee5ca/bin/uautomizer-verify-VRDe98Ueme/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de1d0839-cfda-4aaf-90eb-90550bfee5ca/bin/uautomizer-verify-VRDe98Ueme --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(F end) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash bfd8ca9d9dda86f57445168715d124831c95b647e7c1b1093bb129b0384cce9e --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-26 11:58:07,375 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-26 11:58:07,491 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de1d0839-cfda-4aaf-90eb-90550bfee5ca/bin/uautomizer-verify-VRDe98Ueme/config/svcomp-Termination-32bit-Automizer_Default.epf [2023-11-26 11:58:07,500 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-26 11:58:07,501 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-26 11:58:07,542 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-26 11:58:07,543 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-26 11:58:07,543 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-26 11:58:07,544 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-11-26 11:58:07,549 INFO L153 SettingsManager]: * Use memory slicer=true [2023-11-26 11:58:07,550 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-26 11:58:07,551 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-26 11:58:07,551 INFO L153 SettingsManager]: * Use SBE=true [2023-11-26 11:58:07,553 INFO L151 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2023-11-26 11:58:07,554 INFO L153 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2023-11-26 11:58:07,554 INFO L153 SettingsManager]: * Use old map elimination=false [2023-11-26 11:58:07,555 INFO L153 SettingsManager]: * Use external solver (rank synthesis)=false [2023-11-26 11:58:07,555 INFO L153 SettingsManager]: * Use only trivial implications for array writes=true [2023-11-26 11:58:07,556 INFO L153 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2023-11-26 11:58:07,556 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-26 11:58:07,557 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2023-11-26 11:58:07,557 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-26 11:58:07,558 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-26 11:58:07,558 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-26 11:58:07,559 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-26 11:58:07,559 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2023-11-26 11:58:07,560 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2023-11-26 11:58:07,560 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2023-11-26 11:58:07,560 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-26 11:58:07,568 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-26 11:58:07,570 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-26 11:58:07,570 INFO L153 SettingsManager]: * Assume nondeterminstic values are in range=false [2023-11-26 11:58:07,570 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-26 11:58:07,570 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-26 11:58:07,571 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-26 11:58:07,571 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-26 11:58:07,572 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-26 11:58:07,572 INFO L151 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2023-11-26 11:58:07,572 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_de1d0839-cfda-4aaf-90eb-90550bfee5ca/bin/uautomizer-verify-VRDe98Ueme/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de1d0839-cfda-4aaf-90eb-90550bfee5ca/bin/uautomizer-verify-VRDe98Ueme Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> bfd8ca9d9dda86f57445168715d124831c95b647e7c1b1093bb129b0384cce9e [2023-11-26 11:58:07,906 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-26 11:58:07,940 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-26 11:58:07,943 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-26 11:58:07,944 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-26 11:58:07,945 INFO L274 PluginConnector]: CDTParser initialized [2023-11-26 11:58:07,946 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de1d0839-cfda-4aaf-90eb-90550bfee5ca/bin/uautomizer-verify-VRDe98Ueme/../../sv-benchmarks/c/array-memsafety/cstrcat-alloca-2.i [2023-11-26 11:58:11,120 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-26 11:58:11,390 INFO L384 CDTParser]: Found 1 translation units. [2023-11-26 11:58:11,392 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de1d0839-cfda-4aaf-90eb-90550bfee5ca/sv-benchmarks/c/array-memsafety/cstrcat-alloca-2.i [2023-11-26 11:58:11,410 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de1d0839-cfda-4aaf-90eb-90550bfee5ca/bin/uautomizer-verify-VRDe98Ueme/data/0b6084ea3/18d40ca1db5d4c86b4164c4f151089cf/FLAG2fc0f2dc5 [2023-11-26 11:58:11,425 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de1d0839-cfda-4aaf-90eb-90550bfee5ca/bin/uautomizer-verify-VRDe98Ueme/data/0b6084ea3/18d40ca1db5d4c86b4164c4f151089cf [2023-11-26 11:58:11,428 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-26 11:58:11,430 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-26 11:58:11,431 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-26 11:58:11,431 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-26 11:58:11,438 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-26 11:58:11,439 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 11:58:11" (1/1) ... [2023-11-26 11:58:11,440 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5300823c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:58:11, skipping insertion in model container [2023-11-26 11:58:11,440 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 11:58:11" (1/1) ... [2023-11-26 11:58:11,481 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-26 11:58:11,774 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-26 11:58:11,791 INFO L202 MainTranslator]: Completed pre-run [2023-11-26 11:58:11,863 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-26 11:58:11,908 INFO L206 MainTranslator]: Completed translation [2023-11-26 11:58:11,909 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:58:11 WrapperNode [2023-11-26 11:58:11,909 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-26 11:58:11,910 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-26 11:58:11,911 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-26 11:58:11,911 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-26 11:58:11,919 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:58:11" (1/1) ... [2023-11-26 11:58:11,947 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:58:11" (1/1) ... [2023-11-26 11:58:11,972 INFO L138 Inliner]: procedures = 117, calls = 16, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 95 [2023-11-26 11:58:11,972 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-26 11:58:11,973 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-26 11:58:11,973 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-26 11:58:11,973 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-26 11:58:11,985 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:58:11" (1/1) ... [2023-11-26 11:58:11,986 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:58:11" (1/1) ... [2023-11-26 11:58:11,989 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:58:11" (1/1) ... [2023-11-26 11:58:12,006 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 5 writes are split as follows [2, 3]. [2023-11-26 11:58:12,007 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:58:11" (1/1) ... [2023-11-26 11:58:12,007 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:58:11" (1/1) ... [2023-11-26 11:58:12,014 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:58:11" (1/1) ... [2023-11-26 11:58:12,018 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:58:11" (1/1) ... [2023-11-26 11:58:12,020 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:58:11" (1/1) ... [2023-11-26 11:58:12,022 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:58:11" (1/1) ... [2023-11-26 11:58:12,025 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-26 11:58:12,026 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-26 11:58:12,026 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-26 11:58:12,026 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-26 11:58:12,027 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:58:11" (1/1) ... [2023-11-26 11:58:12,034 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 11:58:12,050 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de1d0839-cfda-4aaf-90eb-90550bfee5ca/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 11:58:12,064 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de1d0839-cfda-4aaf-90eb-90550bfee5ca/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 11:58:12,076 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de1d0839-cfda-4aaf-90eb-90550bfee5ca/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2023-11-26 11:58:12,101 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2023-11-26 11:58:12,101 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2023-11-26 11:58:12,101 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2023-11-26 11:58:12,102 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2023-11-26 11:58:12,102 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-26 11:58:12,102 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-26 11:58:12,102 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-26 11:58:12,102 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-26 11:58:12,218 INFO L241 CfgBuilder]: Building ICFG [2023-11-26 11:58:12,221 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-26 11:58:12,430 INFO L282 CfgBuilder]: Performing block encoding [2023-11-26 11:58:12,439 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-26 11:58:12,440 INFO L309 CfgBuilder]: Removed 4 assume(true) statements. [2023-11-26 11:58:12,449 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 11:58:12 BoogieIcfgContainer [2023-11-26 11:58:12,449 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-26 11:58:12,450 INFO L112 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2023-11-26 11:58:12,451 INFO L270 PluginConnector]: Initializing BuchiAutomizer... [2023-11-26 11:58:12,455 INFO L274 PluginConnector]: BuchiAutomizer initialized [2023-11-26 11:58:12,456 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2023-11-26 11:58:12,456 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 26.11 11:58:11" (1/3) ... [2023-11-26 11:58:12,457 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@46d64c93 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 26.11 11:58:12, skipping insertion in model container [2023-11-26 11:58:12,457 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2023-11-26 11:58:12,457 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:58:11" (2/3) ... [2023-11-26 11:58:12,458 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@46d64c93 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 26.11 11:58:12, skipping insertion in model container [2023-11-26 11:58:12,458 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2023-11-26 11:58:12,458 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 11:58:12" (3/3) ... [2023-11-26 11:58:12,459 INFO L332 chiAutomizerObserver]: Analyzing ICFG cstrcat-alloca-2.i [2023-11-26 11:58:12,517 INFO L303 stractBuchiCegarLoop]: Interprodecural is true [2023-11-26 11:58:12,517 INFO L304 stractBuchiCegarLoop]: Hoare is false [2023-11-26 11:58:12,517 INFO L305 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2023-11-26 11:58:12,517 INFO L306 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2023-11-26 11:58:12,517 INFO L307 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2023-11-26 11:58:12,517 INFO L308 stractBuchiCegarLoop]: Difference is false [2023-11-26 11:58:12,518 INFO L309 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2023-11-26 11:58:12,518 INFO L313 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2023-11-26 11:58:12,522 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 21 states, 20 states have (on average 1.6) internal successors, (32), 20 states have internal predecessors, (32), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:58:12,545 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 8 [2023-11-26 11:58:12,545 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-26 11:58:12,546 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-26 11:58:12,552 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2023-11-26 11:58:12,552 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2023-11-26 11:58:12,553 INFO L335 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2023-11-26 11:58:12,553 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 21 states, 20 states have (on average 1.6) internal successors, (32), 20 states have internal predecessors, (32), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:58:12,558 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 8 [2023-11-26 11:58:12,559 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-26 11:58:12,559 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-26 11:58:12,559 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2023-11-26 11:58:12,560 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2023-11-26 11:58:12,569 INFO L748 eck$LassoCheckResult]: Stem: 17#$Ultimate##0true assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 6#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet7#1, main_#t~nondet8#1, main_#t~nondet9#1, main_#t~malloc10#1.base, main_#t~malloc10#1.offset, main_#t~malloc11#1.base, main_#t~malloc11#1.offset, main_#t~nondet13#1, main_#t~post12#1, main_~i~0#1, main_#t~nondet15#1, main_#t~post14#1, main_~i~1#1, main_#t~ret16#1.base, main_#t~ret16#1.offset, main_~length1~0#1, main_~length2~0#1, main_~length3~0#1, main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset;havoc main_#t~nondet7#1;main_~length1~0#1 := main_#t~nondet7#1;havoc main_#t~nondet7#1;havoc main_#t~nondet8#1;main_~length2~0#1 := main_#t~nondet8#1;havoc main_#t~nondet8#1;havoc main_#t~nondet9#1;main_~length3~0#1 := main_#t~nondet9#1;havoc main_#t~nondet9#1; 11#L527true assume !(main_~length1~0#1 < 1); 14#L527-2true assume !(main_~length2~0#1 < 2); 15#L530-1true assume !(main_~length3~0#1 < 1); 10#L533-1true assume !(main_~length2~0#1 - main_~length3~0#1 < main_~length1~0#1 || main_~length3~0#1 > main_~length2~0#1);call main_#t~malloc10#1.base, main_#t~malloc10#1.offset := #Ultimate.allocOnStack(main_~length1~0#1 % 4294967296);main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset := main_#t~malloc10#1.base, main_#t~malloc10#1.offset;call main_#t~malloc11#1.base, main_#t~malloc11#1.offset := #Ultimate.allocOnStack(main_~length2~0#1 % 4294967296);main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset := main_#t~malloc11#1.base, main_#t~malloc11#1.offset;main_~i~0#1 := 0; 7#L540-3true [2023-11-26 11:58:12,570 INFO L750 eck$LassoCheckResult]: Loop: 7#L540-3true assume !!(main_~i~0#1 < main_~length1~0#1 - 1);havoc main_#t~nondet13#1;call write~int#0(main_#t~nondet13#1, main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset + main_~i~0#1, 1);havoc main_#t~nondet13#1; 13#L540-2true main_#t~post12#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post12#1;havoc main_#t~post12#1; 7#L540-3true [2023-11-26 11:58:12,576 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 11:58:12,577 INFO L85 PathProgramCache]: Analyzing trace with hash 889572367, now seen corresponding path program 1 times [2023-11-26 11:58:12,588 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 11:58:12,596 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1112082514] [2023-11-26 11:58:12,597 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 11:58:12,597 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 11:58:12,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 11:58:12,735 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-26 11:58:12,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 11:58:12,802 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-26 11:58:12,808 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 11:58:12,809 INFO L85 PathProgramCache]: Analyzing trace with hash 2019, now seen corresponding path program 1 times [2023-11-26 11:58:12,809 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 11:58:12,809 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [447660921] [2023-11-26 11:58:12,809 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 11:58:12,810 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 11:58:12,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 11:58:12,834 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-26 11:58:12,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 11:58:12,854 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-26 11:58:12,856 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 11:58:12,856 INFO L85 PathProgramCache]: Analyzing trace with hash 180553841, now seen corresponding path program 1 times [2023-11-26 11:58:12,857 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 11:58:12,857 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1929131477] [2023-11-26 11:58:12,857 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 11:58:12,857 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 11:58:12,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 11:58:12,932 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-26 11:58:12,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 11:58:12,959 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-26 11:58:13,456 INFO L210 LassoAnalysis]: Preferences: [2023-11-26 11:58:13,457 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-11-26 11:58:13,457 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-11-26 11:58:13,457 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-11-26 11:58:13,457 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2023-11-26 11:58:13,458 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 11:58:13,458 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-11-26 11:58:13,458 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-11-26 11:58:13,458 INFO L133 ssoRankerPreferences]: Filename of dumped script: cstrcat-alloca-2.i_Iteration1_Lasso [2023-11-26 11:58:13,458 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-11-26 11:58:13,459 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-11-26 11:58:13,479 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 11:58:13,825 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 11:58:13,829 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 11:58:13,832 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 11:58:13,836 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 11:58:13,841 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 11:58:13,846 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 11:58:13,849 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 11:58:13,863 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 11:58:13,866 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 11:58:13,870 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 11:58:13,874 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 11:58:13,878 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 11:58:13,882 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 11:58:13,885 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 11:58:13,888 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 11:58:13,893 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 11:58:13,897 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 11:58:14,426 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-11-26 11:58:14,433 INFO L490 LassoAnalysis]: Using template 'affine'. [2023-11-26 11:58:14,435 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 11:58:14,435 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de1d0839-cfda-4aaf-90eb-90550bfee5ca/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 11:58:14,440 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de1d0839-cfda-4aaf-90eb-90550bfee5ca/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 11:58:14,453 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-26 11:58:14,467 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de1d0839-cfda-4aaf-90eb-90550bfee5ca/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2023-11-26 11:58:14,468 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 11:58:14,468 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 11:58:14,469 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 11:58:14,469 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 11:58:14,486 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-26 11:58:14,487 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-26 11:58:14,520 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2023-11-26 11:58:14,557 INFO L443 ModelExtractionUtils]: Simplification made 9 calls to the SMT solver. [2023-11-26 11:58:14,557 INFO L444 ModelExtractionUtils]: 10 out of 28 variables were initially zero. Simplification set additionally 15 variables to zero. [2023-11-26 11:58:14,559 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 11:58:14,559 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de1d0839-cfda-4aaf-90eb-90550bfee5ca/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 11:58:14,605 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de1d0839-cfda-4aaf-90eb-90550bfee5ca/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 11:58:14,612 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de1d0839-cfda-4aaf-90eb-90550bfee5ca/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2023-11-26 11:58:14,612 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2023-11-26 11:58:14,631 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2023-11-26 11:58:14,632 INFO L513 LassoAnalysis]: Proved termination. [2023-11-26 11:58:14,632 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~length1~0#1, ULTIMATE.start_main_~i~0#1) = 1*ULTIMATE.start_main_~length1~0#1 - 1*ULTIMATE.start_main_~i~0#1 Supporting invariants [] [2023-11-26 11:58:14,638 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de1d0839-cfda-4aaf-90eb-90550bfee5ca/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Ended with exit code 0 [2023-11-26 11:58:14,667 INFO L156 tatePredicateManager]: 6 out of 6 supporting invariants were superfluous and have been removed [2023-11-26 11:58:14,692 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 11:58:14,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:58:14,718 INFO L262 TraceCheckSpWp]: Trace formula consists of 43 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-26 11:58:14,720 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-26 11:58:14,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:58:14,747 INFO L262 TraceCheckSpWp]: Trace formula consists of 13 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-26 11:58:14,748 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-26 11:58:14,767 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-26 11:58:14,816 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 [2023-11-26 11:58:14,819 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand has 21 states, 20 states have (on average 1.6) internal successors, (32), 20 states have internal predecessors, (32), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 3 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 3 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:58:14,887 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand has 21 states, 20 states have (on average 1.6) internal successors, (32), 20 states have internal predecessors, (32), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0). Second operand has 3 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 3 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 40 states and 59 transitions. Complement of second has 8 states. [2023-11-26 11:58:14,889 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2023-11-26 11:58:14,895 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 3 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:58:14,897 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 34 transitions. [2023-11-26 11:58:14,898 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 34 transitions. Stem has 6 letters. Loop has 2 letters. [2023-11-26 11:58:14,903 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-26 11:58:14,903 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 34 transitions. Stem has 8 letters. Loop has 2 letters. [2023-11-26 11:58:14,904 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-26 11:58:14,905 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 34 transitions. Stem has 6 letters. Loop has 4 letters. [2023-11-26 11:58:14,908 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-26 11:58:14,909 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 40 states and 59 transitions. [2023-11-26 11:58:14,917 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 6 [2023-11-26 11:58:14,922 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 40 states to 17 states and 26 transitions. [2023-11-26 11:58:14,923 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 14 [2023-11-26 11:58:14,924 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 15 [2023-11-26 11:58:14,925 INFO L73 IsDeterministic]: Start isDeterministic. Operand 17 states and 26 transitions. [2023-11-26 11:58:14,926 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-26 11:58:14,927 INFO L218 hiAutomatonCegarLoop]: Abstraction has 17 states and 26 transitions. [2023-11-26 11:58:14,950 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17 states and 26 transitions. [2023-11-26 11:58:14,958 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17 to 17. [2023-11-26 11:58:14,960 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17 states, 17 states have (on average 1.5294117647058822) internal successors, (26), 16 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:58:14,962 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 26 transitions. [2023-11-26 11:58:14,963 INFO L240 hiAutomatonCegarLoop]: Abstraction has 17 states and 26 transitions. [2023-11-26 11:58:14,963 INFO L428 stractBuchiCegarLoop]: Abstraction has 17 states and 26 transitions. [2023-11-26 11:58:14,963 INFO L335 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2023-11-26 11:58:14,964 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 17 states and 26 transitions. [2023-11-26 11:58:14,966 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 6 [2023-11-26 11:58:14,966 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-26 11:58:14,967 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-26 11:58:14,967 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2023-11-26 11:58:14,967 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2023-11-26 11:58:14,968 INFO L748 eck$LassoCheckResult]: Stem: 152#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 145#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet7#1, main_#t~nondet8#1, main_#t~nondet9#1, main_#t~malloc10#1.base, main_#t~malloc10#1.offset, main_#t~malloc11#1.base, main_#t~malloc11#1.offset, main_#t~nondet13#1, main_#t~post12#1, main_~i~0#1, main_#t~nondet15#1, main_#t~post14#1, main_~i~1#1, main_#t~ret16#1.base, main_#t~ret16#1.offset, main_~length1~0#1, main_~length2~0#1, main_~length3~0#1, main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset;havoc main_#t~nondet7#1;main_~length1~0#1 := main_#t~nondet7#1;havoc main_#t~nondet7#1;havoc main_#t~nondet8#1;main_~length2~0#1 := main_#t~nondet8#1;havoc main_#t~nondet8#1;havoc main_#t~nondet9#1;main_~length3~0#1 := main_#t~nondet9#1;havoc main_#t~nondet9#1; 146#L527 assume !(main_~length1~0#1 < 1); 150#L527-2 assume !(main_~length2~0#1 < 2); 151#L530-1 assume !(main_~length3~0#1 < 1); 149#L533-1 assume !(main_~length2~0#1 - main_~length3~0#1 < main_~length1~0#1 || main_~length3~0#1 > main_~length2~0#1);call main_#t~malloc10#1.base, main_#t~malloc10#1.offset := #Ultimate.allocOnStack(main_~length1~0#1 % 4294967296);main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset := main_#t~malloc10#1.base, main_#t~malloc10#1.offset;call main_#t~malloc11#1.base, main_#t~malloc11#1.offset := #Ultimate.allocOnStack(main_~length2~0#1 % 4294967296);main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset := main_#t~malloc11#1.base, main_#t~malloc11#1.offset;main_~i~0#1 := 0; 141#L540-3 assume !(main_~i~0#1 < main_~length1~0#1 - 1); 143#L540-4 havoc main_~i~0#1;main_~i~1#1 := 0; 136#L545-3 [2023-11-26 11:58:14,968 INFO L750 eck$LassoCheckResult]: Loop: 136#L545-3 assume !!(main_~i~1#1 < main_~length2~0#1 - 1);havoc main_#t~nondet15#1;call write~int#1(main_#t~nondet15#1, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset + main_~i~1#1, 1);havoc main_#t~nondet15#1; 138#L545-2 main_#t~post14#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post14#1;havoc main_#t~post14#1; 136#L545-3 [2023-11-26 11:58:14,970 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 11:58:14,971 INFO L85 PathProgramCache]: Analyzing trace with hash 180553783, now seen corresponding path program 1 times [2023-11-26 11:58:14,971 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 11:58:14,972 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2120551546] [2023-11-26 11:58:14,972 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 11:58:14,973 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 11:58:15,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 11:58:15,019 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-26 11:58:15,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 11:58:15,034 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-26 11:58:15,035 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 11:58:15,035 INFO L85 PathProgramCache]: Analyzing trace with hash 2467, now seen corresponding path program 1 times [2023-11-26 11:58:15,035 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 11:58:15,036 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [527379087] [2023-11-26 11:58:15,036 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 11:58:15,036 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 11:58:15,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 11:58:15,043 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-26 11:58:15,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 11:58:15,050 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-26 11:58:15,051 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 11:58:15,051 INFO L85 PathProgramCache]: Analyzing trace with hash 1713495129, now seen corresponding path program 1 times [2023-11-26 11:58:15,051 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 11:58:15,052 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1510564511] [2023-11-26 11:58:15,052 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 11:58:15,052 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 11:58:15,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 11:58:15,073 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-26 11:58:15,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 11:58:15,093 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-26 11:58:15,443 INFO L210 LassoAnalysis]: Preferences: [2023-11-26 11:58:15,443 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-11-26 11:58:15,443 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-11-26 11:58:15,443 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-11-26 11:58:15,444 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2023-11-26 11:58:15,444 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 11:58:15,444 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-11-26 11:58:15,444 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-11-26 11:58:15,444 INFO L133 ssoRankerPreferences]: Filename of dumped script: cstrcat-alloca-2.i_Iteration2_Lasso [2023-11-26 11:58:15,444 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-11-26 11:58:15,445 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-11-26 11:58:15,448 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 11:58:15,561 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de1d0839-cfda-4aaf-90eb-90550bfee5ca/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Ended with exit code 0 [2023-11-26 11:58:15,678 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 11:58:15,681 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 11:58:15,684 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 11:58:15,688 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 11:58:15,691 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 11:58:15,694 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 11:58:15,696 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 11:58:15,700 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 11:58:15,704 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 11:58:15,706 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 11:58:15,710 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 11:58:15,714 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 11:58:15,716 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 11:58:15,719 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 11:58:15,721 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 11:58:15,724 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 11:58:15,727 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 11:58:15,730 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 11:58:16,073 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-11-26 11:58:16,073 INFO L490 LassoAnalysis]: Using template 'affine'. [2023-11-26 11:58:16,074 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 11:58:16,074 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de1d0839-cfda-4aaf-90eb-90550bfee5ca/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 11:58:16,078 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de1d0839-cfda-4aaf-90eb-90550bfee5ca/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 11:58:16,087 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-26 11:58:16,100 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de1d0839-cfda-4aaf-90eb-90550bfee5ca/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2023-11-26 11:58:16,100 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 11:58:16,100 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 11:58:16,100 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 11:58:16,101 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 11:58:16,110 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-26 11:58:16,110 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-26 11:58:16,124 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 11:58:16,129 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de1d0839-cfda-4aaf-90eb-90550bfee5ca/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Forceful destruction successful, exit code 0 [2023-11-26 11:58:16,130 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 11:58:16,130 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de1d0839-cfda-4aaf-90eb-90550bfee5ca/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 11:58:16,131 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de1d0839-cfda-4aaf-90eb-90550bfee5ca/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 11:58:16,140 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-26 11:58:16,153 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 11:58:16,153 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-26 11:58:16,153 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 11:58:16,153 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 11:58:16,153 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 11:58:16,155 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-26 11:58:16,155 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-26 11:58:16,155 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de1d0839-cfda-4aaf-90eb-90550bfee5ca/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2023-11-26 11:58:16,176 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 11:58:16,185 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de1d0839-cfda-4aaf-90eb-90550bfee5ca/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Forceful destruction successful, exit code 0 [2023-11-26 11:58:16,190 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 11:58:16,190 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de1d0839-cfda-4aaf-90eb-90550bfee5ca/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 11:58:16,191 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de1d0839-cfda-4aaf-90eb-90550bfee5ca/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 11:58:16,195 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de1d0839-cfda-4aaf-90eb-90550bfee5ca/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2023-11-26 11:58:16,196 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-26 11:58:16,208 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 11:58:16,209 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 11:58:16,209 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 11:58:16,209 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 11:58:16,212 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-26 11:58:16,212 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-26 11:58:16,224 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 11:58:16,232 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de1d0839-cfda-4aaf-90eb-90550bfee5ca/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Forceful destruction successful, exit code 0 [2023-11-26 11:58:16,237 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 11:58:16,237 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de1d0839-cfda-4aaf-90eb-90550bfee5ca/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 11:58:16,238 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de1d0839-cfda-4aaf-90eb-90550bfee5ca/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 11:58:16,250 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-26 11:58:16,263 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 11:58:16,263 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 11:58:16,263 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 11:58:16,264 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 11:58:16,266 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de1d0839-cfda-4aaf-90eb-90550bfee5ca/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2023-11-26 11:58:16,267 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-26 11:58:16,268 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-26 11:58:16,284 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 11:58:16,293 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de1d0839-cfda-4aaf-90eb-90550bfee5ca/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Forceful destruction successful, exit code 0 [2023-11-26 11:58:16,293 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 11:58:16,293 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de1d0839-cfda-4aaf-90eb-90550bfee5ca/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 11:58:16,295 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de1d0839-cfda-4aaf-90eb-90550bfee5ca/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 11:58:16,300 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de1d0839-cfda-4aaf-90eb-90550bfee5ca/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2023-11-26 11:58:16,301 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-26 11:58:16,314 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 11:58:16,314 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 11:58:16,314 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 11:58:16,314 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 11:58:16,323 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-26 11:58:16,324 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-26 11:58:16,340 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2023-11-26 11:58:16,394 INFO L443 ModelExtractionUtils]: Simplification made 9 calls to the SMT solver. [2023-11-26 11:58:16,394 INFO L444 ModelExtractionUtils]: 12 out of 22 variables were initially zero. Simplification set additionally 7 variables to zero. [2023-11-26 11:58:16,394 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 11:58:16,395 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de1d0839-cfda-4aaf-90eb-90550bfee5ca/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 11:58:16,409 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de1d0839-cfda-4aaf-90eb-90550bfee5ca/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 11:58:16,433 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2023-11-26 11:58:16,445 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de1d0839-cfda-4aaf-90eb-90550bfee5ca/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2023-11-26 11:58:16,452 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2023-11-26 11:58:16,452 INFO L513 LassoAnalysis]: Proved termination. [2023-11-26 11:58:16,452 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~i~1#1, ULTIMATE.start_main_~length2~0#1) = -1*ULTIMATE.start_main_~i~1#1 + 1*ULTIMATE.start_main_~length2~0#1 Supporting invariants [] [2023-11-26 11:58:16,461 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de1d0839-cfda-4aaf-90eb-90550bfee5ca/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Forceful destruction successful, exit code 0 [2023-11-26 11:58:16,489 INFO L156 tatePredicateManager]: 6 out of 6 supporting invariants were superfluous and have been removed [2023-11-26 11:58:16,505 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 11:58:16,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:58:16,521 INFO L262 TraceCheckSpWp]: Trace formula consists of 46 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-26 11:58:16,522 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-26 11:58:16,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:58:16,541 INFO L262 TraceCheckSpWp]: Trace formula consists of 13 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-26 11:58:16,541 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-26 11:58:16,558 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-26 11:58:16,559 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 [2023-11-26 11:58:16,559 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 17 states and 26 transitions. cyclomatic complexity: 13 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) [2023-11-26 11:58:16,587 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 17 states and 26 transitions. cyclomatic complexity: 13. 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 25 states and 40 transitions. Complement of second has 8 states. [2023-11-26 11:58:16,588 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2023-11-26 11:58:16,589 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) [2023-11-26 11:58:16,590 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 24 transitions. [2023-11-26 11:58:16,590 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 24 transitions. Stem has 8 letters. Loop has 2 letters. [2023-11-26 11:58:16,590 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-26 11:58:16,591 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 24 transitions. Stem has 10 letters. Loop has 2 letters. [2023-11-26 11:58:16,591 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-26 11:58:16,591 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 24 transitions. Stem has 8 letters. Loop has 4 letters. [2023-11-26 11:58:16,591 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-26 11:58:16,592 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 25 states and 40 transitions. [2023-11-26 11:58:16,594 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 4 [2023-11-26 11:58:16,594 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 25 states to 18 states and 27 transitions. [2023-11-26 11:58:16,594 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 13 [2023-11-26 11:58:16,596 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 14 [2023-11-26 11:58:16,596 INFO L73 IsDeterministic]: Start isDeterministic. Operand 18 states and 27 transitions. [2023-11-26 11:58:16,596 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-26 11:58:16,596 INFO L218 hiAutomatonCegarLoop]: Abstraction has 18 states and 27 transitions. [2023-11-26 11:58:16,597 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18 states and 27 transitions. [2023-11-26 11:58:16,598 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18 to 18. [2023-11-26 11:58:16,598 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18 states, 18 states have (on average 1.5) internal successors, (27), 17 states have internal predecessors, (27), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:58:16,599 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 27 transitions. [2023-11-26 11:58:16,599 INFO L240 hiAutomatonCegarLoop]: Abstraction has 18 states and 27 transitions. [2023-11-26 11:58:16,599 INFO L428 stractBuchiCegarLoop]: Abstraction has 18 states and 27 transitions. [2023-11-26 11:58:16,599 INFO L335 stractBuchiCegarLoop]: ======== Iteration 3 ============ [2023-11-26 11:58:16,600 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 18 states and 27 transitions. [2023-11-26 11:58:16,600 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 4 [2023-11-26 11:58:16,601 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-26 11:58:16,601 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-26 11:58:16,601 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-26 11:58:16,601 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2023-11-26 11:58:16,602 INFO L748 eck$LassoCheckResult]: Stem: 273#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 266#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet7#1, main_#t~nondet8#1, main_#t~nondet9#1, main_#t~malloc10#1.base, main_#t~malloc10#1.offset, main_#t~malloc11#1.base, main_#t~malloc11#1.offset, main_#t~nondet13#1, main_#t~post12#1, main_~i~0#1, main_#t~nondet15#1, main_#t~post14#1, main_~i~1#1, main_#t~ret16#1.base, main_#t~ret16#1.offset, main_~length1~0#1, main_~length2~0#1, main_~length3~0#1, main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset;havoc main_#t~nondet7#1;main_~length1~0#1 := main_#t~nondet7#1;havoc main_#t~nondet7#1;havoc main_#t~nondet8#1;main_~length2~0#1 := main_#t~nondet8#1;havoc main_#t~nondet8#1;havoc main_#t~nondet9#1;main_~length3~0#1 := main_#t~nondet9#1;havoc main_#t~nondet9#1; 267#L527 assume !(main_~length1~0#1 < 1); 271#L527-2 assume !(main_~length2~0#1 < 2); 272#L530-1 assume !(main_~length3~0#1 < 1); 270#L533-1 assume !(main_~length2~0#1 - main_~length3~0#1 < main_~length1~0#1 || main_~length3~0#1 > main_~length2~0#1);call main_#t~malloc10#1.base, main_#t~malloc10#1.offset := #Ultimate.allocOnStack(main_~length1~0#1 % 4294967296);main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset := main_#t~malloc10#1.base, main_#t~malloc10#1.offset;call main_#t~malloc11#1.base, main_#t~malloc11#1.offset := #Ultimate.allocOnStack(main_~length2~0#1 % 4294967296);main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset := main_#t~malloc11#1.base, main_#t~malloc11#1.offset;main_~i~0#1 := 0; 262#L540-3 assume !(main_~i~0#1 < main_~length1~0#1 - 1); 264#L540-4 havoc main_~i~0#1;main_~i~1#1 := 0; 256#L545-3 assume !(main_~i~1#1 < main_~length2~0#1 - 1); 257#L545-4 havoc main_~i~1#1;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 + (main_~length3~0#1 - 1), 1);assume { :begin_inline_cstrcat } true;cstrcat_#in~s1#1.base, cstrcat_#in~s1#1.offset, cstrcat_#in~s2#1.base, cstrcat_#in~s2#1.offset := main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset, main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset;havoc cstrcat_#res#1.base, cstrcat_#res#1.offset;havoc cstrcat_#t~post3#1.base, cstrcat_#t~post3#1.offset, cstrcat_#t~mem2#1, cstrcat_#t~post4#1.base, cstrcat_#t~post4#1.offset, cstrcat_#t~post5#1.base, cstrcat_#t~post5#1.offset, cstrcat_#t~mem6#1, cstrcat_~s1#1.base, cstrcat_~s1#1.offset, cstrcat_~s2#1.base, cstrcat_~s2#1.offset, cstrcat_~s~0#1.base, cstrcat_~s~0#1.offset;cstrcat_~s1#1.base, cstrcat_~s1#1.offset := cstrcat_#in~s1#1.base, cstrcat_#in~s1#1.offset;cstrcat_~s2#1.base, cstrcat_~s2#1.offset := cstrcat_#in~s2#1.base, cstrcat_#in~s2#1.offset;cstrcat_~s~0#1.base, cstrcat_~s~0#1.offset := cstrcat_~s1#1.base, cstrcat_~s1#1.offset; 269#L517-3 [2023-11-26 11:58:16,602 INFO L750 eck$LassoCheckResult]: Loop: 269#L517-3 call cstrcat_#t~mem2#1 := read~int#1(cstrcat_~s~0#1.base, cstrcat_~s~0#1.offset, 1); 268#L517-1 assume !!(0 != cstrcat_#t~mem2#1);havoc cstrcat_#t~mem2#1;cstrcat_#t~post3#1.base, cstrcat_#t~post3#1.offset := cstrcat_~s~0#1.base, cstrcat_~s~0#1.offset;cstrcat_~s~0#1.base, cstrcat_~s~0#1.offset := cstrcat_#t~post3#1.base, 1 + cstrcat_#t~post3#1.offset;havoc cstrcat_#t~post3#1.base, cstrcat_#t~post3#1.offset; 269#L517-3 [2023-11-26 11:58:16,602 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 11:58:16,603 INFO L85 PathProgramCache]: Analyzing trace with hash 1713495071, now seen corresponding path program 1 times [2023-11-26 11:58:16,603 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 11:58:16,603 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [94650483] [2023-11-26 11:58:16,603 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 11:58:16,604 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 11:58:16,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:58:16,774 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-26 11:58:16,775 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 11:58:16,775 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [94650483] [2023-11-26 11:58:16,776 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [94650483] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 11:58:16,777 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 11:58:16,777 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-26 11:58:16,778 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1628799436] [2023-11-26 11:58:16,778 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 11:58:16,781 INFO L753 eck$LassoCheckResult]: stem already infeasible [2023-11-26 11:58:16,781 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 11:58:16,782 INFO L85 PathProgramCache]: Analyzing trace with hash 2822, now seen corresponding path program 1 times [2023-11-26 11:58:16,782 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 11:58:16,782 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1901305083] [2023-11-26 11:58:16,782 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 11:58:16,783 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 11:58:16,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 11:58:16,789 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-26 11:58:16,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 11:58:16,793 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-26 11:58:16,843 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 11:58:16,845 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-26 11:58:16,846 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2023-11-26 11:58:16,847 INFO L87 Difference]: Start difference. First operand 18 states and 27 transitions. cyclomatic complexity: 13 Second operand has 4 states, 4 states have (on average 2.5) internal successors, (10), 4 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) [2023-11-26 11:58:16,882 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-26 11:58:16,883 INFO L93 Difference]: Finished difference Result 19 states and 26 transitions. [2023-11-26 11:58:16,883 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 19 states and 26 transitions. [2023-11-26 11:58:16,884 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 4 [2023-11-26 11:58:16,884 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 19 states to 19 states and 26 transitions. [2023-11-26 11:58:16,885 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 14 [2023-11-26 11:58:16,885 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 14 [2023-11-26 11:58:16,885 INFO L73 IsDeterministic]: Start isDeterministic. Operand 19 states and 26 transitions. [2023-11-26 11:58:16,885 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-26 11:58:16,886 INFO L218 hiAutomatonCegarLoop]: Abstraction has 19 states and 26 transitions. [2023-11-26 11:58:16,886 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19 states and 26 transitions. [2023-11-26 11:58:16,887 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19 to 18. [2023-11-26 11:58:16,887 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) [2023-11-26 11:58:16,888 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 25 transitions. [2023-11-26 11:58:16,888 INFO L240 hiAutomatonCegarLoop]: Abstraction has 18 states and 25 transitions. [2023-11-26 11:58:16,889 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-26 11:58:16,890 INFO L428 stractBuchiCegarLoop]: Abstraction has 18 states and 25 transitions. [2023-11-26 11:58:16,890 INFO L335 stractBuchiCegarLoop]: ======== Iteration 4 ============ [2023-11-26 11:58:16,890 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 18 states and 25 transitions. [2023-11-26 11:58:16,891 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 4 [2023-11-26 11:58:16,891 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-26 11:58:16,891 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-26 11:58:16,892 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-26 11:58:16,892 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2023-11-26 11:58:16,892 INFO L748 eck$LassoCheckResult]: Stem: 317#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 312#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet7#1, main_#t~nondet8#1, main_#t~nondet9#1, main_#t~malloc10#1.base, main_#t~malloc10#1.offset, main_#t~malloc11#1.base, main_#t~malloc11#1.offset, main_#t~nondet13#1, main_#t~post12#1, main_~i~0#1, main_#t~nondet15#1, main_#t~post14#1, main_~i~1#1, main_#t~ret16#1.base, main_#t~ret16#1.offset, main_~length1~0#1, main_~length2~0#1, main_~length3~0#1, main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset;havoc main_#t~nondet7#1;main_~length1~0#1 := main_#t~nondet7#1;havoc main_#t~nondet7#1;havoc main_#t~nondet8#1;main_~length2~0#1 := main_#t~nondet8#1;havoc main_#t~nondet8#1;havoc main_#t~nondet9#1;main_~length3~0#1 := main_#t~nondet9#1;havoc main_#t~nondet9#1; 313#L527 assume !(main_~length1~0#1 < 1); 315#L527-2 assume !(main_~length2~0#1 < 2); 316#L530-1 assume !(main_~length3~0#1 < 1); 314#L533-1 assume !(main_~length2~0#1 - main_~length3~0#1 < main_~length1~0#1 || main_~length3~0#1 > main_~length2~0#1);call main_#t~malloc10#1.base, main_#t~malloc10#1.offset := #Ultimate.allocOnStack(main_~length1~0#1 % 4294967296);main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset := main_#t~malloc10#1.base, main_#t~malloc10#1.offset;call main_#t~malloc11#1.base, main_#t~malloc11#1.offset := #Ultimate.allocOnStack(main_~length2~0#1 % 4294967296);main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset := main_#t~malloc11#1.base, main_#t~malloc11#1.offset;main_~i~0#1 := 0; 306#L540-3 assume !(main_~i~0#1 < main_~length1~0#1 - 1); 308#L540-4 havoc main_~i~0#1;main_~i~1#1 := 0; 300#L545-3 assume !!(main_~i~1#1 < main_~length2~0#1 - 1);havoc main_#t~nondet15#1;call write~int#1(main_#t~nondet15#1, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset + main_~i~1#1, 1);havoc main_#t~nondet15#1; 301#L545-2 main_#t~post14#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post14#1;havoc main_#t~post14#1; 302#L545-3 assume !(main_~i~1#1 < main_~length2~0#1 - 1); 303#L545-4 havoc main_~i~1#1;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 + (main_~length3~0#1 - 1), 1);assume { :begin_inline_cstrcat } true;cstrcat_#in~s1#1.base, cstrcat_#in~s1#1.offset, cstrcat_#in~s2#1.base, cstrcat_#in~s2#1.offset := main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset, main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset;havoc cstrcat_#res#1.base, cstrcat_#res#1.offset;havoc cstrcat_#t~post3#1.base, cstrcat_#t~post3#1.offset, cstrcat_#t~mem2#1, cstrcat_#t~post4#1.base, cstrcat_#t~post4#1.offset, cstrcat_#t~post5#1.base, cstrcat_#t~post5#1.offset, cstrcat_#t~mem6#1, cstrcat_~s1#1.base, cstrcat_~s1#1.offset, cstrcat_~s2#1.base, cstrcat_~s2#1.offset, cstrcat_~s~0#1.base, cstrcat_~s~0#1.offset;cstrcat_~s1#1.base, cstrcat_~s1#1.offset := cstrcat_#in~s1#1.base, cstrcat_#in~s1#1.offset;cstrcat_~s2#1.base, cstrcat_~s2#1.offset := cstrcat_#in~s2#1.base, cstrcat_#in~s2#1.offset;cstrcat_~s~0#1.base, cstrcat_~s~0#1.offset := cstrcat_~s1#1.base, cstrcat_~s1#1.offset; 311#L517-3 [2023-11-26 11:58:16,892 INFO L750 eck$LassoCheckResult]: Loop: 311#L517-3 call cstrcat_#t~mem2#1 := read~int#1(cstrcat_~s~0#1.base, cstrcat_~s~0#1.offset, 1); 310#L517-1 assume !!(0 != cstrcat_#t~mem2#1);havoc cstrcat_#t~mem2#1;cstrcat_#t~post3#1.base, cstrcat_#t~post3#1.offset := cstrcat_~s~0#1.base, cstrcat_~s~0#1.offset;cstrcat_~s~0#1.base, cstrcat_~s~0#1.offset := cstrcat_#t~post3#1.base, 1 + cstrcat_#t~post3#1.offset;havoc cstrcat_#t~post3#1.base, cstrcat_#t~post3#1.offset; 311#L517-3 [2023-11-26 11:58:16,893 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 11:58:16,893 INFO L85 PathProgramCache]: Analyzing trace with hash 1696346049, now seen corresponding path program 1 times [2023-11-26 11:58:16,893 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 11:58:16,893 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [912345567] [2023-11-26 11:58:16,894 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 11:58:16,894 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 11:58:16,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 11:58:16,914 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-26 11:58:16,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 11:58:16,956 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de1d0839-cfda-4aaf-90eb-90550bfee5ca/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Forceful destruction successful, exit code 0 [2023-11-26 11:58:16,969 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-26 11:58:16,969 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 11:58:16,970 INFO L85 PathProgramCache]: Analyzing trace with hash 2822, now seen corresponding path program 2 times [2023-11-26 11:58:16,970 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 11:58:16,970 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [964122137] [2023-11-26 11:58:16,970 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 11:58:16,970 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 11:58:16,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 11:58:16,975 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-26 11:58:16,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 11:58:16,979 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-26 11:58:16,979 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 11:58:16,980 INFO L85 PathProgramCache]: Analyzing trace with hash -1899017530, now seen corresponding path program 1 times [2023-11-26 11:58:16,980 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 11:58:16,980 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [662613730] [2023-11-26 11:58:16,980 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 11:58:16,981 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 11:58:17,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:58:17,470 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-26 11:58:17,471 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 11:58:17,471 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [662613730] [2023-11-26 11:58:17,471 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [662613730] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-26 11:58:17,472 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1533129073] [2023-11-26 11:58:17,473 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 11:58:17,473 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-26 11:58:17,473 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de1d0839-cfda-4aaf-90eb-90550bfee5ca/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 11:58:17,474 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de1d0839-cfda-4aaf-90eb-90550bfee5ca/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-26 11:58:17,500 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de1d0839-cfda-4aaf-90eb-90550bfee5ca/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2023-11-26 11:58:17,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:58:17,566 INFO L262 TraceCheckSpWp]: Trace formula consists of 105 conjuncts, 25 conjunts are in the unsatisfiable core [2023-11-26 11:58:17,568 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-26 11:58:17,754 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2023-11-26 11:58:17,831 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-26 11:58:17,834 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-26 11:58:17,835 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 15 treesize of output 10 [2023-11-26 11:58:17,841 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-26 11:58:17,841 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-26 11:58:17,908 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 11 [2023-11-26 11:58:17,914 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 20 [2023-11-26 11:58:18,238 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-26 11:58:18,239 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1533129073] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-26 11:58:18,239 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-26 11:58:18,239 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9, 9] total 20 [2023-11-26 11:58:18,240 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1683799747] [2023-11-26 11:58:18,240 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-26 11:58:18,286 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 11:58:18,287 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2023-11-26 11:58:18,288 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=77, Invalid=343, Unknown=0, NotChecked=0, Total=420 [2023-11-26 11:58:18,288 INFO L87 Difference]: Start difference. First operand 18 states and 25 transitions. cyclomatic complexity: 11 Second operand has 21 states, 20 states have (on average 1.55) internal successors, (31), 21 states have internal predecessors, (31), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:58:18,669 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-26 11:58:18,669 INFO L93 Difference]: Finished difference Result 27 states and 35 transitions. [2023-11-26 11:58:18,670 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 27 states and 35 transitions. [2023-11-26 11:58:18,670 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 6 [2023-11-26 11:58:18,671 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 27 states to 27 states and 35 transitions. [2023-11-26 11:58:18,671 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 20 [2023-11-26 11:58:18,671 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 20 [2023-11-26 11:58:18,672 INFO L73 IsDeterministic]: Start isDeterministic. Operand 27 states and 35 transitions. [2023-11-26 11:58:18,672 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-26 11:58:18,672 INFO L218 hiAutomatonCegarLoop]: Abstraction has 27 states and 35 transitions. [2023-11-26 11:58:18,672 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27 states and 35 transitions. [2023-11-26 11:58:18,674 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27 to 23. [2023-11-26 11:58:18,674 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 23 states, 23 states have (on average 1.3478260869565217) internal successors, (31), 22 states have internal predecessors, (31), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:58:18,674 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 23 states and 31 transitions. [2023-11-26 11:58:18,675 INFO L240 hiAutomatonCegarLoop]: Abstraction has 23 states and 31 transitions. [2023-11-26 11:58:18,678 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2023-11-26 11:58:18,679 INFO L428 stractBuchiCegarLoop]: Abstraction has 23 states and 31 transitions. [2023-11-26 11:58:18,680 INFO L335 stractBuchiCegarLoop]: ======== Iteration 5 ============ [2023-11-26 11:58:18,680 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 23 states and 31 transitions. [2023-11-26 11:58:18,681 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 4 [2023-11-26 11:58:18,682 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-26 11:58:18,682 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-26 11:58:18,683 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-26 11:58:18,683 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2023-11-26 11:58:18,684 INFO L748 eck$LassoCheckResult]: Stem: 482#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 473#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet7#1, main_#t~nondet8#1, main_#t~nondet9#1, main_#t~malloc10#1.base, main_#t~malloc10#1.offset, main_#t~malloc11#1.base, main_#t~malloc11#1.offset, main_#t~nondet13#1, main_#t~post12#1, main_~i~0#1, main_#t~nondet15#1, main_#t~post14#1, main_~i~1#1, main_#t~ret16#1.base, main_#t~ret16#1.offset, main_~length1~0#1, main_~length2~0#1, main_~length3~0#1, main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset;havoc main_#t~nondet7#1;main_~length1~0#1 := main_#t~nondet7#1;havoc main_#t~nondet7#1;havoc main_#t~nondet8#1;main_~length2~0#1 := main_#t~nondet8#1;havoc main_#t~nondet8#1;havoc main_#t~nondet9#1;main_~length3~0#1 := main_#t~nondet9#1;havoc main_#t~nondet9#1; 474#L527 assume !(main_~length1~0#1 < 1); 480#L527-2 assume !(main_~length2~0#1 < 2); 481#L530-1 assume !(main_~length3~0#1 < 1); 479#L533-1 assume !(main_~length2~0#1 - main_~length3~0#1 < main_~length1~0#1 || main_~length3~0#1 > main_~length2~0#1);call main_#t~malloc10#1.base, main_#t~malloc10#1.offset := #Ultimate.allocOnStack(main_~length1~0#1 % 4294967296);main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset := main_#t~malloc10#1.base, main_#t~malloc10#1.offset;call main_#t~malloc11#1.base, main_#t~malloc11#1.offset := #Ultimate.allocOnStack(main_~length2~0#1 % 4294967296);main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset := main_#t~malloc11#1.base, main_#t~malloc11#1.offset;main_~i~0#1 := 0; 475#L540-3 assume !(main_~i~0#1 < main_~length1~0#1 - 1); 477#L540-4 havoc main_~i~0#1;main_~i~1#1 := 0; 465#L545-3 assume !!(main_~i~1#1 < main_~length2~0#1 - 1);havoc main_#t~nondet15#1;call write~int#1(main_#t~nondet15#1, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset + main_~i~1#1, 1);havoc main_#t~nondet15#1; 466#L545-2 main_#t~post14#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post14#1;havoc main_#t~post14#1; 487#L545-3 assume !(main_~i~1#1 < main_~length2~0#1 - 1); 486#L545-4 havoc main_~i~1#1;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 + (main_~length3~0#1 - 1), 1);assume { :begin_inline_cstrcat } true;cstrcat_#in~s1#1.base, cstrcat_#in~s1#1.offset, cstrcat_#in~s2#1.base, cstrcat_#in~s2#1.offset := main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset, main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset;havoc cstrcat_#res#1.base, cstrcat_#res#1.offset;havoc cstrcat_#t~post3#1.base, cstrcat_#t~post3#1.offset, cstrcat_#t~mem2#1, cstrcat_#t~post4#1.base, cstrcat_#t~post4#1.offset, cstrcat_#t~post5#1.base, cstrcat_#t~post5#1.offset, cstrcat_#t~mem6#1, cstrcat_~s1#1.base, cstrcat_~s1#1.offset, cstrcat_~s2#1.base, cstrcat_~s2#1.offset, cstrcat_~s~0#1.base, cstrcat_~s~0#1.offset;cstrcat_~s1#1.base, cstrcat_~s1#1.offset := cstrcat_#in~s1#1.base, cstrcat_#in~s1#1.offset;cstrcat_~s2#1.base, cstrcat_~s2#1.offset := cstrcat_#in~s2#1.base, cstrcat_#in~s2#1.offset;cstrcat_~s~0#1.base, cstrcat_~s~0#1.offset := cstrcat_~s1#1.base, cstrcat_~s1#1.offset; 485#L517-3 call cstrcat_#t~mem2#1 := read~int#1(cstrcat_~s~0#1.base, cstrcat_~s~0#1.offset, 1); 472#L517-1 assume !(0 != cstrcat_#t~mem2#1);havoc cstrcat_#t~mem2#1; 470#L519-2 [2023-11-26 11:58:18,684 INFO L750 eck$LassoCheckResult]: Loop: 470#L519-2 cstrcat_#t~post4#1.base, cstrcat_#t~post4#1.offset := cstrcat_~s~0#1.base, cstrcat_~s~0#1.offset;cstrcat_~s~0#1.base, cstrcat_~s~0#1.offset := cstrcat_#t~post4#1.base, 1 + cstrcat_#t~post4#1.offset;cstrcat_#t~post5#1.base, cstrcat_#t~post5#1.offset := cstrcat_~s2#1.base, cstrcat_~s2#1.offset;cstrcat_~s2#1.base, cstrcat_~s2#1.offset := cstrcat_#t~post5#1.base, 1 + cstrcat_#t~post5#1.offset;call cstrcat_#t~mem6#1 := read~int#0(cstrcat_#t~post5#1.base, cstrcat_#t~post5#1.offset, 1);call write~int#1(cstrcat_#t~mem6#1, cstrcat_#t~post4#1.base, cstrcat_#t~post4#1.offset, 1); 471#L519 assume !!(0 != cstrcat_#t~mem6#1);havoc cstrcat_#t~post4#1.base, cstrcat_#t~post4#1.offset;havoc cstrcat_#t~post5#1.base, cstrcat_#t~post5#1.offset;havoc cstrcat_#t~mem6#1; 470#L519-2 [2023-11-26 11:58:18,684 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 11:58:18,685 INFO L85 PathProgramCache]: Analyzing trace with hash -1899017532, now seen corresponding path program 1 times [2023-11-26 11:58:18,685 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 11:58:18,685 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1749090393] [2023-11-26 11:58:18,685 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 11:58:18,685 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 11:58:18,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 11:58:18,705 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-26 11:58:18,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 11:58:18,720 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-26 11:58:18,721 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 11:58:18,721 INFO L85 PathProgramCache]: Analyzing trace with hash 3206, now seen corresponding path program 1 times [2023-11-26 11:58:18,721 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 11:58:18,721 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [937993846] [2023-11-26 11:58:18,722 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 11:58:18,722 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 11:58:18,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 11:58:18,727 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-26 11:58:18,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 11:58:18,732 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-26 11:58:18,732 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 11:58:18,733 INFO L85 PathProgramCache]: Analyzing trace with hash 405254793, now seen corresponding path program 1 times [2023-11-26 11:58:18,733 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 11:58:18,733 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2134054700] [2023-11-26 11:58:18,733 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 11:58:18,733 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 11:58:18,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:58:19,082 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-26 11:58:19,083 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 11:58:19,083 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2134054700] [2023-11-26 11:58:19,083 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2134054700] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 11:58:19,083 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 11:58:19,083 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-11-26 11:58:19,084 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1886628615] [2023-11-26 11:58:19,084 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 11:58:19,213 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 11:58:19,214 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-11-26 11:58:19,215 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2023-11-26 11:58:19,215 INFO L87 Difference]: Start difference. First operand 23 states and 31 transitions. cyclomatic complexity: 12 Second operand has 7 states, 6 states have (on average 2.6666666666666665) internal successors, (16), 7 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:58:19,283 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-26 11:58:19,284 INFO L93 Difference]: Finished difference Result 38 states and 48 transitions. [2023-11-26 11:58:19,284 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 38 states and 48 transitions. [2023-11-26 11:58:19,293 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 6 [2023-11-26 11:58:19,294 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 38 states to 33 states and 42 transitions. [2023-11-26 11:58:19,295 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 22 [2023-11-26 11:58:19,297 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 22 [2023-11-26 11:58:19,297 INFO L73 IsDeterministic]: Start isDeterministic. Operand 33 states and 42 transitions. [2023-11-26 11:58:19,297 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-26 11:58:19,297 INFO L218 hiAutomatonCegarLoop]: Abstraction has 33 states and 42 transitions. [2023-11-26 11:58:19,298 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33 states and 42 transitions. [2023-11-26 11:58:19,304 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33 to 32. [2023-11-26 11:58:19,304 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 32 states, 32 states have (on average 1.28125) internal successors, (41), 31 states have internal predecessors, (41), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:58:19,305 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 32 states and 41 transitions. [2023-11-26 11:58:19,305 INFO L240 hiAutomatonCegarLoop]: Abstraction has 32 states and 41 transitions. [2023-11-26 11:58:19,305 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-11-26 11:58:19,308 INFO L428 stractBuchiCegarLoop]: Abstraction has 32 states and 41 transitions. [2023-11-26 11:58:19,308 INFO L335 stractBuchiCegarLoop]: ======== Iteration 6 ============ [2023-11-26 11:58:19,309 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 32 states and 41 transitions. [2023-11-26 11:58:19,310 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 6 [2023-11-26 11:58:19,310 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-26 11:58:19,310 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-26 11:58:19,311 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-26 11:58:19,311 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2023-11-26 11:58:19,311 INFO L748 eck$LassoCheckResult]: Stem: 561#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 551#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet7#1, main_#t~nondet8#1, main_#t~nondet9#1, main_#t~malloc10#1.base, main_#t~malloc10#1.offset, main_#t~malloc11#1.base, main_#t~malloc11#1.offset, main_#t~nondet13#1, main_#t~post12#1, main_~i~0#1, main_#t~nondet15#1, main_#t~post14#1, main_~i~1#1, main_#t~ret16#1.base, main_#t~ret16#1.offset, main_~length1~0#1, main_~length2~0#1, main_~length3~0#1, main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset;havoc main_#t~nondet7#1;main_~length1~0#1 := main_#t~nondet7#1;havoc main_#t~nondet7#1;havoc main_#t~nondet8#1;main_~length2~0#1 := main_#t~nondet8#1;havoc main_#t~nondet8#1;havoc main_#t~nondet9#1;main_~length3~0#1 := main_#t~nondet9#1;havoc main_#t~nondet9#1; 552#L527 assume !(main_~length1~0#1 < 1); 559#L527-2 assume !(main_~length2~0#1 < 2); 560#L530-1 assume !(main_~length3~0#1 < 1); 558#L533-1 assume !(main_~length2~0#1 - main_~length3~0#1 < main_~length1~0#1 || main_~length3~0#1 > main_~length2~0#1);call main_#t~malloc10#1.base, main_#t~malloc10#1.offset := #Ultimate.allocOnStack(main_~length1~0#1 % 4294967296);main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset := main_#t~malloc10#1.base, main_#t~malloc10#1.offset;call main_#t~malloc11#1.base, main_#t~malloc11#1.offset := #Ultimate.allocOnStack(main_~length2~0#1 % 4294967296);main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset := main_#t~malloc11#1.base, main_#t~malloc11#1.offset;main_~i~0#1 := 0; 553#L540-3 assume !(main_~i~0#1 < main_~length1~0#1 - 1); 555#L540-4 havoc main_~i~0#1;main_~i~1#1 := 0; 570#L545-3 assume !!(main_~i~1#1 < main_~length2~0#1 - 1);havoc main_#t~nondet15#1;call write~int#1(main_#t~nondet15#1, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset + main_~i~1#1, 1);havoc main_#t~nondet15#1; 569#L545-2 main_#t~post14#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post14#1;havoc main_#t~post14#1; 568#L545-3 assume !!(main_~i~1#1 < main_~length2~0#1 - 1);havoc main_#t~nondet15#1;call write~int#1(main_#t~nondet15#1, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset + main_~i~1#1, 1);havoc main_#t~nondet15#1; 567#L545-2 main_#t~post14#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post14#1;havoc main_#t~post14#1; 566#L545-3 assume !(main_~i~1#1 < main_~length2~0#1 - 1); 565#L545-4 havoc main_~i~1#1;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 + (main_~length3~0#1 - 1), 1);assume { :begin_inline_cstrcat } true;cstrcat_#in~s1#1.base, cstrcat_#in~s1#1.offset, cstrcat_#in~s2#1.base, cstrcat_#in~s2#1.offset := main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset, main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset;havoc cstrcat_#res#1.base, cstrcat_#res#1.offset;havoc cstrcat_#t~post3#1.base, cstrcat_#t~post3#1.offset, cstrcat_#t~mem2#1, cstrcat_#t~post4#1.base, cstrcat_#t~post4#1.offset, cstrcat_#t~post5#1.base, cstrcat_#t~post5#1.offset, cstrcat_#t~mem6#1, cstrcat_~s1#1.base, cstrcat_~s1#1.offset, cstrcat_~s2#1.base, cstrcat_~s2#1.offset, cstrcat_~s~0#1.base, cstrcat_~s~0#1.offset;cstrcat_~s1#1.base, cstrcat_~s1#1.offset := cstrcat_#in~s1#1.base, cstrcat_#in~s1#1.offset;cstrcat_~s2#1.base, cstrcat_~s2#1.offset := cstrcat_#in~s2#1.base, cstrcat_#in~s2#1.offset;cstrcat_~s~0#1.base, cstrcat_~s~0#1.offset := cstrcat_~s1#1.base, cstrcat_~s1#1.offset; 550#L517-3 [2023-11-26 11:58:19,311 INFO L750 eck$LassoCheckResult]: Loop: 550#L517-3 call cstrcat_#t~mem2#1 := read~int#1(cstrcat_~s~0#1.base, cstrcat_~s~0#1.offset, 1); 549#L517-1 assume !!(0 != cstrcat_#t~mem2#1);havoc cstrcat_#t~mem2#1;cstrcat_#t~post3#1.base, cstrcat_#t~post3#1.offset := cstrcat_~s~0#1.base, cstrcat_~s~0#1.offset;cstrcat_~s~0#1.base, cstrcat_~s~0#1.offset := cstrcat_#t~post3#1.base, 1 + cstrcat_#t~post3#1.offset;havoc cstrcat_#t~post3#1.base, cstrcat_#t~post3#1.offset; 550#L517-3 [2023-11-26 11:58:19,312 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 11:58:19,312 INFO L85 PathProgramCache]: Analyzing trace with hash -1898962205, now seen corresponding path program 2 times [2023-11-26 11:58:19,312 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 11:58:19,314 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1447010079] [2023-11-26 11:58:19,314 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 11:58:19,314 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 11:58:19,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 11:58:19,344 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-26 11:58:19,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 11:58:19,364 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-26 11:58:19,365 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 11:58:19,365 INFO L85 PathProgramCache]: Analyzing trace with hash 2822, now seen corresponding path program 3 times [2023-11-26 11:58:19,365 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 11:58:19,366 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1535890229] [2023-11-26 11:58:19,366 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 11:58:19,366 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 11:58:19,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 11:58:19,371 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-26 11:58:19,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 11:58:19,375 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-26 11:58:19,377 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 11:58:19,378 INFO L85 PathProgramCache]: Analyzing trace with hash 458423656, now seen corresponding path program 2 times [2023-11-26 11:58:19,378 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 11:58:19,378 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1334823688] [2023-11-26 11:58:19,378 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 11:58:19,378 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 11:58:19,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 11:58:19,417 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-26 11:58:19,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 11:58:19,449 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-26 11:58:20,837 INFO L210 LassoAnalysis]: Preferences: [2023-11-26 11:58:20,837 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-11-26 11:58:20,838 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-11-26 11:58:20,838 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-11-26 11:58:20,838 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2023-11-26 11:58:20,838 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 11:58:20,838 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-11-26 11:58:20,838 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-11-26 11:58:20,838 INFO L133 ssoRankerPreferences]: Filename of dumped script: cstrcat-alloca-2.i_Iteration6_Lasso [2023-11-26 11:58:20,838 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-11-26 11:58:20,838 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-11-26 11:58:20,842 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 11:58:20,850 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 11:58:20,852 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 11:58:20,854 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 11:58:20,857 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 11:58:20,860 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 11:58:20,863 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 11:58:20,865 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 11:58:20,867 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 11:58:20,869 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 11:58:20,871 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 11:58:20,873 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 11:58:20,877 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 11:58:20,879 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 11:58:20,882 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 11:58:20,885 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 11:58:20,888 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 11:58:20,890 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 11:58:20,893 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 11:58:20,895 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 11:58:21,300 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 11:58:21,303 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 11:58:21,305 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 11:58:21,309 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 11:58:21,312 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 11:58:21,315 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 11:58:21,318 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 11:58:21,324 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 11:58:21,326 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 11:58:21,329 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 11:58:21,332 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 11:58:21,334 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 11:58:21,336 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 11:58:21,339 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 11:58:21,342 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 11:58:21,345 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 11:58:21,979 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-11-26 11:58:21,979 INFO L490 LassoAnalysis]: Using template 'affine'. [2023-11-26 11:58:21,980 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 11:58:21,980 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de1d0839-cfda-4aaf-90eb-90550bfee5ca/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 11:58:21,991 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de1d0839-cfda-4aaf-90eb-90550bfee5ca/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 11:58:21,992 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de1d0839-cfda-4aaf-90eb-90550bfee5ca/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Waiting until timeout for monitored process [2023-11-26 11:58:21,993 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-26 11:58:22,003 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 11:58:22,004 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-26 11:58:22,004 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 11:58:22,004 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 11:58:22,004 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 11:58:22,005 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-26 11:58:22,005 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-26 11:58:22,012 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 11:58:22,025 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de1d0839-cfda-4aaf-90eb-90550bfee5ca/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Forceful destruction successful, exit code 0 [2023-11-26 11:58:22,026 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 11:58:22,026 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de1d0839-cfda-4aaf-90eb-90550bfee5ca/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 11:58:22,027 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de1d0839-cfda-4aaf-90eb-90550bfee5ca/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 11:58:22,041 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de1d0839-cfda-4aaf-90eb-90550bfee5ca/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Waiting until timeout for monitored process [2023-11-26 11:58:22,042 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-26 11:58:22,053 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 11:58:22,053 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-26 11:58:22,053 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 11:58:22,053 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 11:58:22,053 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 11:58:22,054 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-26 11:58:22,054 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-26 11:58:22,055 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 11:58:22,058 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de1d0839-cfda-4aaf-90eb-90550bfee5ca/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Forceful destruction successful, exit code 0 [2023-11-26 11:58:22,059 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 11:58:22,059 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de1d0839-cfda-4aaf-90eb-90550bfee5ca/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 11:58:22,060 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de1d0839-cfda-4aaf-90eb-90550bfee5ca/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 11:58:22,062 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de1d0839-cfda-4aaf-90eb-90550bfee5ca/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Waiting until timeout for monitored process [2023-11-26 11:58:22,063 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-26 11:58:22,074 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 11:58:22,074 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-26 11:58:22,074 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 11:58:22,074 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 11:58:22,074 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 11:58:22,075 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-26 11:58:22,075 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-26 11:58:22,076 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 11:58:22,079 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de1d0839-cfda-4aaf-90eb-90550bfee5ca/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Forceful destruction successful, exit code 0 [2023-11-26 11:58:22,079 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 11:58:22,080 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de1d0839-cfda-4aaf-90eb-90550bfee5ca/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 11:58:22,092 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de1d0839-cfda-4aaf-90eb-90550bfee5ca/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 11:58:22,096 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de1d0839-cfda-4aaf-90eb-90550bfee5ca/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Waiting until timeout for monitored process [2023-11-26 11:58:22,097 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-26 11:58:22,107 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 11:58:22,107 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 11:58:22,108 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 11:58:22,108 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 11:58:22,110 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-26 11:58:22,110 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-26 11:58:22,124 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 11:58:22,133 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de1d0839-cfda-4aaf-90eb-90550bfee5ca/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Forceful destruction successful, exit code 0 [2023-11-26 11:58:22,136 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 11:58:22,136 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de1d0839-cfda-4aaf-90eb-90550bfee5ca/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 11:58:22,139 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de1d0839-cfda-4aaf-90eb-90550bfee5ca/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 11:58:22,146 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-26 11:58:22,158 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 11:58:22,159 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 11:58:22,159 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 11:58:22,159 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 11:58:22,159 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de1d0839-cfda-4aaf-90eb-90550bfee5ca/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Waiting until timeout for monitored process [2023-11-26 11:58:22,161 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-26 11:58:22,161 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-26 11:58:22,172 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 11:58:22,181 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de1d0839-cfda-4aaf-90eb-90550bfee5ca/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Forceful destruction successful, exit code 0 [2023-11-26 11:58:22,181 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 11:58:22,181 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de1d0839-cfda-4aaf-90eb-90550bfee5ca/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 11:58:22,183 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de1d0839-cfda-4aaf-90eb-90550bfee5ca/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 11:58:22,191 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-26 11:58:22,203 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de1d0839-cfda-4aaf-90eb-90550bfee5ca/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Waiting until timeout for monitored process [2023-11-26 11:58:22,204 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 11:58:22,204 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-26 11:58:22,204 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 11:58:22,204 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 11:58:22,204 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 11:58:22,205 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-26 11:58:22,205 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-26 11:58:22,228 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 11:58:22,236 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de1d0839-cfda-4aaf-90eb-90550bfee5ca/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Forceful destruction successful, exit code 0 [2023-11-26 11:58:22,237 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 11:58:22,237 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de1d0839-cfda-4aaf-90eb-90550bfee5ca/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 11:58:22,238 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de1d0839-cfda-4aaf-90eb-90550bfee5ca/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 11:58:22,250 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-26 11:58:22,251 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de1d0839-cfda-4aaf-90eb-90550bfee5ca/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Waiting until timeout for monitored process [2023-11-26 11:58:22,263 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 11:58:22,263 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-26 11:58:22,263 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 11:58:22,263 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 11:58:22,263 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 11:58:22,264 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-26 11:58:22,264 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-26 11:58:22,278 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 11:58:22,287 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de1d0839-cfda-4aaf-90eb-90550bfee5ca/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Forceful destruction successful, exit code 0 [2023-11-26 11:58:22,287 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 11:58:22,287 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de1d0839-cfda-4aaf-90eb-90550bfee5ca/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 11:58:22,288 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de1d0839-cfda-4aaf-90eb-90550bfee5ca/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 11:58:22,297 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-26 11:58:22,310 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 11:58:22,310 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-26 11:58:22,310 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 11:58:22,310 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 11:58:22,310 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 11:58:22,311 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-26 11:58:22,311 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-26 11:58:22,314 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de1d0839-cfda-4aaf-90eb-90550bfee5ca/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Waiting until timeout for monitored process [2023-11-26 11:58:22,320 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 11:58:22,330 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de1d0839-cfda-4aaf-90eb-90550bfee5ca/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Forceful destruction successful, exit code 0 [2023-11-26 11:58:22,331 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 11:58:22,331 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de1d0839-cfda-4aaf-90eb-90550bfee5ca/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 11:58:22,333 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de1d0839-cfda-4aaf-90eb-90550bfee5ca/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 11:58:22,338 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-26 11:58:22,350 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 11:58:22,350 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-26 11:58:22,350 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 11:58:22,350 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 11:58:22,350 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 11:58:22,351 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-26 11:58:22,351 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-26 11:58:22,352 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de1d0839-cfda-4aaf-90eb-90550bfee5ca/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Waiting until timeout for monitored process [2023-11-26 11:58:22,364 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 11:58:22,373 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de1d0839-cfda-4aaf-90eb-90550bfee5ca/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Forceful destruction successful, exit code 0 [2023-11-26 11:58:22,373 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 11:58:22,373 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de1d0839-cfda-4aaf-90eb-90550bfee5ca/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 11:58:22,374 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de1d0839-cfda-4aaf-90eb-90550bfee5ca/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 11:58:22,388 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-26 11:58:22,396 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de1d0839-cfda-4aaf-90eb-90550bfee5ca/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Waiting until timeout for monitored process [2023-11-26 11:58:22,400 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 11:58:22,400 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-26 11:58:22,401 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 11:58:22,401 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 11:58:22,401 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 11:58:22,401 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-26 11:58:22,401 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-26 11:58:22,420 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 11:58:22,428 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de1d0839-cfda-4aaf-90eb-90550bfee5ca/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Forceful destruction successful, exit code 0 [2023-11-26 11:58:22,429 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 11:58:22,429 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de1d0839-cfda-4aaf-90eb-90550bfee5ca/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 11:58:22,430 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de1d0839-cfda-4aaf-90eb-90550bfee5ca/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 11:58:22,439 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-26 11:58:22,451 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 11:58:22,451 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-26 11:58:22,451 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 11:58:22,451 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 11:58:22,451 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 11:58:22,452 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-26 11:58:22,452 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-26 11:58:22,455 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de1d0839-cfda-4aaf-90eb-90550bfee5ca/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Waiting until timeout for monitored process [2023-11-26 11:58:22,464 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 11:58:22,472 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de1d0839-cfda-4aaf-90eb-90550bfee5ca/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Forceful destruction successful, exit code 0 [2023-11-26 11:58:22,473 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 11:58:22,473 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de1d0839-cfda-4aaf-90eb-90550bfee5ca/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 11:58:22,474 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de1d0839-cfda-4aaf-90eb-90550bfee5ca/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 11:58:22,478 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-26 11:58:22,490 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de1d0839-cfda-4aaf-90eb-90550bfee5ca/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Waiting until timeout for monitored process [2023-11-26 11:58:22,491 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 11:58:22,491 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-26 11:58:22,491 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 11:58:22,491 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 11:58:22,491 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 11:58:22,492 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-26 11:58:22,492 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-26 11:58:22,512 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 11:58:22,520 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de1d0839-cfda-4aaf-90eb-90550bfee5ca/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Forceful destruction successful, exit code 0 [2023-11-26 11:58:22,520 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 11:58:22,521 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de1d0839-cfda-4aaf-90eb-90550bfee5ca/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 11:58:22,522 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de1d0839-cfda-4aaf-90eb-90550bfee5ca/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 11:58:22,529 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-26 11:58:22,541 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 11:58:22,541 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-26 11:58:22,541 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 11:58:22,541 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 11:58:22,541 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 11:58:22,542 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-26 11:58:22,542 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-26 11:58:22,543 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de1d0839-cfda-4aaf-90eb-90550bfee5ca/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Waiting until timeout for monitored process [2023-11-26 11:58:22,552 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 11:58:22,556 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de1d0839-cfda-4aaf-90eb-90550bfee5ca/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Forceful destruction successful, exit code 0 [2023-11-26 11:58:22,556 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 11:58:22,556 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de1d0839-cfda-4aaf-90eb-90550bfee5ca/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 11:58:22,558 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de1d0839-cfda-4aaf-90eb-90550bfee5ca/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 11:58:22,562 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-26 11:58:22,576 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 11:58:22,576 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 11:58:22,576 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 11:58:22,576 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 11:58:22,578 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-26 11:58:22,579 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-26 11:58:22,579 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de1d0839-cfda-4aaf-90eb-90550bfee5ca/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Waiting until timeout for monitored process [2023-11-26 11:58:22,596 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 11:58:22,604 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de1d0839-cfda-4aaf-90eb-90550bfee5ca/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Forceful destruction successful, exit code 0 [2023-11-26 11:58:22,605 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 11:58:22,605 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de1d0839-cfda-4aaf-90eb-90550bfee5ca/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 11:58:22,606 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de1d0839-cfda-4aaf-90eb-90550bfee5ca/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 11:58:22,610 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-26 11:58:22,622 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 11:58:22,622 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 11:58:22,622 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 11:58:22,622 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 11:58:22,624 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-26 11:58:22,624 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-26 11:58:22,627 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de1d0839-cfda-4aaf-90eb-90550bfee5ca/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Waiting until timeout for monitored process [2023-11-26 11:58:22,635 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 11:58:22,643 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de1d0839-cfda-4aaf-90eb-90550bfee5ca/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Forceful destruction successful, exit code 0 [2023-11-26 11:58:22,643 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 11:58:22,643 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de1d0839-cfda-4aaf-90eb-90550bfee5ca/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 11:58:22,645 INFO L229 MonitoredProcess]: Starting monitored process 26 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de1d0839-cfda-4aaf-90eb-90550bfee5ca/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 11:58:22,649 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-26 11:58:22,661 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 11:58:22,661 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-26 11:58:22,662 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 11:58:22,662 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 11:58:22,662 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 11:58:22,663 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-26 11:58:22,663 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-26 11:58:22,663 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de1d0839-cfda-4aaf-90eb-90550bfee5ca/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Waiting until timeout for monitored process [2023-11-26 11:58:22,672 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 11:58:22,680 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de1d0839-cfda-4aaf-90eb-90550bfee5ca/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Forceful destruction successful, exit code 0 [2023-11-26 11:58:22,680 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 11:58:22,681 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de1d0839-cfda-4aaf-90eb-90550bfee5ca/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 11:58:22,682 INFO L229 MonitoredProcess]: Starting monitored process 27 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de1d0839-cfda-4aaf-90eb-90550bfee5ca/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 11:58:22,685 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-26 11:58:22,698 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 11:58:22,698 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-26 11:58:22,698 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 11:58:22,698 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 11:58:22,698 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 11:58:22,699 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de1d0839-cfda-4aaf-90eb-90550bfee5ca/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Waiting until timeout for monitored process [2023-11-26 11:58:22,699 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-26 11:58:22,699 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-26 11:58:22,715 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 11:58:22,723 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de1d0839-cfda-4aaf-90eb-90550bfee5ca/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Forceful destruction successful, exit code 0 [2023-11-26 11:58:22,723 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 11:58:22,724 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de1d0839-cfda-4aaf-90eb-90550bfee5ca/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 11:58:22,725 INFO L229 MonitoredProcess]: Starting monitored process 28 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de1d0839-cfda-4aaf-90eb-90550bfee5ca/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 11:58:22,733 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-26 11:58:22,746 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 11:58:22,746 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 11:58:22,746 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 11:58:22,746 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 11:58:22,749 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-26 11:58:22,749 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-26 11:58:22,750 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de1d0839-cfda-4aaf-90eb-90550bfee5ca/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Waiting until timeout for monitored process [2023-11-26 11:58:22,772 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 11:58:22,777 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de1d0839-cfda-4aaf-90eb-90550bfee5ca/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Forceful destruction successful, exit code 0 [2023-11-26 11:58:22,777 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 11:58:22,778 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de1d0839-cfda-4aaf-90eb-90550bfee5ca/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 11:58:22,779 INFO L229 MonitoredProcess]: Starting monitored process 29 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de1d0839-cfda-4aaf-90eb-90550bfee5ca/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 11:58:22,785 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-26 11:58:22,797 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 11:58:22,797 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-26 11:58:22,797 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 11:58:22,797 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 11:58:22,797 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 11:58:22,798 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-26 11:58:22,798 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-26 11:58:22,800 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de1d0839-cfda-4aaf-90eb-90550bfee5ca/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Waiting until timeout for monitored process [2023-11-26 11:58:22,808 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 11:58:22,816 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de1d0839-cfda-4aaf-90eb-90550bfee5ca/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Forceful destruction successful, exit code 0 [2023-11-26 11:58:22,817 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 11:58:22,817 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de1d0839-cfda-4aaf-90eb-90550bfee5ca/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 11:58:22,818 INFO L229 MonitoredProcess]: Starting monitored process 30 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de1d0839-cfda-4aaf-90eb-90550bfee5ca/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 11:58:22,822 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-26 11:58:22,835 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 11:58:22,835 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 11:58:22,835 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 11:58:22,835 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 11:58:22,837 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-26 11:58:22,837 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-26 11:58:22,838 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de1d0839-cfda-4aaf-90eb-90550bfee5ca/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Waiting until timeout for monitored process [2023-11-26 11:58:22,852 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 11:58:22,860 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de1d0839-cfda-4aaf-90eb-90550bfee5ca/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Forceful destruction successful, exit code 0 [2023-11-26 11:58:22,861 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 11:58:22,861 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de1d0839-cfda-4aaf-90eb-90550bfee5ca/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 11:58:22,862 INFO L229 MonitoredProcess]: Starting monitored process 31 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de1d0839-cfda-4aaf-90eb-90550bfee5ca/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 11:58:22,866 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-26 11:58:22,878 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 11:58:22,878 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 11:58:22,878 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 11:58:22,878 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 11:58:22,880 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de1d0839-cfda-4aaf-90eb-90550bfee5ca/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Waiting until timeout for monitored process [2023-11-26 11:58:22,883 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-26 11:58:22,883 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-26 11:58:22,901 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2023-11-26 11:58:22,924 INFO L443 ModelExtractionUtils]: Simplification made 11 calls to the SMT solver. [2023-11-26 11:58:22,924 INFO L444 ModelExtractionUtils]: 1 out of 13 variables were initially zero. Simplification set additionally 9 variables to zero. [2023-11-26 11:58:22,924 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 11:58:22,924 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de1d0839-cfda-4aaf-90eb-90550bfee5ca/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 11:58:22,928 INFO L229 MonitoredProcess]: Starting monitored process 32 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de1d0839-cfda-4aaf-90eb-90550bfee5ca/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 11:58:22,930 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2023-11-26 11:58:22,942 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de1d0839-cfda-4aaf-90eb-90550bfee5ca/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Waiting until timeout for monitored process [2023-11-26 11:58:22,965 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2023-11-26 11:58:22,965 INFO L513 LassoAnalysis]: Proved termination. [2023-11-26 11:58:22,965 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select #length ULTIMATE.start_main_#t~malloc11#1.base)_3, ULTIMATE.start_cstrcat_~s~0#1.offset) = 1*v_rep(select #length ULTIMATE.start_main_#t~malloc11#1.base)_3 - 1*ULTIMATE.start_cstrcat_~s~0#1.offset Supporting invariants [] [2023-11-26 11:58:22,971 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de1d0839-cfda-4aaf-90eb-90550bfee5ca/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Forceful destruction successful, exit code 0 [2023-11-26 11:58:22,997 INFO L156 tatePredicateManager]: 7 out of 8 supporting invariants were superfluous and have been removed [2023-11-26 11:58:23,000 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #length[#t~malloc11!base] could not be translated [2023-11-26 11:58:23,024 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 11:58:23,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:58:23,058 INFO L262 TraceCheckSpWp]: Trace formula consists of 105 conjuncts, 10 conjunts are in the unsatisfiable core [2023-11-26 11:58:23,059 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-26 11:58:23,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:58:23,129 WARN L260 TraceCheckSpWp]: Trace formula consists of 15 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-26 11:58:23,130 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-26 11:58:23,154 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-26 11:58:23,155 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.2 stem predicates 2 loop predicates [2023-11-26 11:58:23,156 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 32 states and 41 transitions. cyclomatic complexity: 15 Second operand has 4 states, 4 states have (on average 3.5) internal successors, (14), 4 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:58:23,233 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de1d0839-cfda-4aaf-90eb-90550bfee5ca/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Forceful destruction successful, exit code 0 [2023-11-26 11:58:23,238 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 32 states and 41 transitions. cyclomatic complexity: 15. Second operand has 4 states, 4 states have (on average 3.5) internal successors, (14), 4 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 40 states and 52 transitions. Complement of second has 7 states. [2023-11-26 11:58:23,239 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 2 stem states 2 non-accepting loop states 1 accepting loop states [2023-11-26 11:58:23,241 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 3.5) internal successors, (14), 4 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:58:23,242 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 23 transitions. [2023-11-26 11:58:23,242 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 23 transitions. Stem has 14 letters. Loop has 2 letters. [2023-11-26 11:58:23,242 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-26 11:58:23,243 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 23 transitions. Stem has 16 letters. Loop has 2 letters. [2023-11-26 11:58:23,244 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-26 11:58:23,244 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 23 transitions. Stem has 14 letters. Loop has 4 letters. [2023-11-26 11:58:23,244 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-26 11:58:23,244 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 40 states and 52 transitions. [2023-11-26 11:58:23,246 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2023-11-26 11:58:23,247 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 40 states to 0 states and 0 transitions. [2023-11-26 11:58:23,247 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2023-11-26 11:58:23,247 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2023-11-26 11:58:23,247 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2023-11-26 11:58:23,247 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-26 11:58:23,247 INFO L218 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-11-26 11:58:23,247 INFO L240 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-11-26 11:58:23,247 INFO L428 stractBuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-11-26 11:58:23,248 INFO L335 stractBuchiCegarLoop]: ======== Iteration 7 ============ [2023-11-26 11:58:23,248 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2023-11-26 11:58:23,248 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2023-11-26 11:58:23,248 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2023-11-26 11:58:23,256 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 26.11 11:58:23 BoogieIcfgContainer [2023-11-26 11:58:23,256 INFO L131 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2023-11-26 11:58:23,256 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-26 11:58:23,257 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-26 11:58:23,257 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-26 11:58:23,257 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 11:58:12" (3/4) ... [2023-11-26 11:58:23,259 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-26 11:58:23,260 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-26 11:58:23,261 INFO L158 Benchmark]: Toolchain (without parser) took 11831.53ms. Allocated memory was 121.6MB in the beginning and 184.5MB in the end (delta: 62.9MB). Free memory was 78.1MB in the beginning and 146.0MB in the end (delta: -67.9MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-26 11:58:23,261 INFO L158 Benchmark]: CDTParser took 0.31ms. Allocated memory is still 121.6MB. Free memory was 93.0MB in the beginning and 92.9MB in the end (delta: 86.8kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-26 11:58:23,262 INFO L158 Benchmark]: CACSL2BoogieTranslator took 478.55ms. Allocated memory is still 121.6MB. Free memory was 77.8MB in the beginning and 61.1MB in the end (delta: 16.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2023-11-26 11:58:23,262 INFO L158 Benchmark]: Boogie Procedure Inliner took 61.92ms. Allocated memory is still 121.6MB. Free memory was 61.1MB in the beginning and 59.2MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-26 11:58:23,262 INFO L158 Benchmark]: Boogie Preprocessor took 52.15ms. Allocated memory is still 121.6MB. Free memory was 58.9MB in the beginning and 56.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-26 11:58:23,263 INFO L158 Benchmark]: RCFGBuilder took 423.75ms. Allocated memory is still 121.6MB. Free memory was 56.8MB in the beginning and 88.3MB in the end (delta: -31.5MB). Peak memory consumption was 13.9MB. Max. memory is 16.1GB. [2023-11-26 11:58:23,263 INFO L158 Benchmark]: BuchiAutomizer took 10805.48ms. Allocated memory was 121.6MB in the beginning and 184.5MB in the end (delta: 62.9MB). Free memory was 88.3MB in the beginning and 146.0MB in the end (delta: -57.6MB). Peak memory consumption was 6.0MB. Max. memory is 16.1GB. [2023-11-26 11:58:23,264 INFO L158 Benchmark]: Witness Printer took 4.03ms. Allocated memory is still 184.5MB. Free memory is still 146.0MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-26 11:58:23,266 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.31ms. Allocated memory is still 121.6MB. Free memory was 93.0MB in the beginning and 92.9MB in the end (delta: 86.8kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 478.55ms. Allocated memory is still 121.6MB. Free memory was 77.8MB in the beginning and 61.1MB in the end (delta: 16.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 61.92ms. Allocated memory is still 121.6MB. Free memory was 61.1MB in the beginning and 59.2MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 52.15ms. Allocated memory is still 121.6MB. Free memory was 58.9MB in the beginning and 56.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 423.75ms. Allocated memory is still 121.6MB. Free memory was 56.8MB in the beginning and 88.3MB in the end (delta: -31.5MB). Peak memory consumption was 13.9MB. Max. memory is 16.1GB. * BuchiAutomizer took 10805.48ms. Allocated memory was 121.6MB in the beginning and 184.5MB in the end (delta: 62.9MB). Free memory was 88.3MB in the beginning and 146.0MB in the end (delta: -57.6MB). Peak memory consumption was 6.0MB. Max. memory is 16.1GB. * Witness Printer took 4.03ms. Allocated memory is still 184.5MB. Free memory is still 146.0MB. 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: ArrayAccessExpression #length[#t~malloc11!base] could not be translated * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 6 terminating modules (3 trivial, 3 deterministic, 0 nondeterministic). One deterministic module has affine ranking function (length1 + (-1 * i)) and consists of 5 locations. One deterministic module has affine ranking function (length2 + (-1 * i)) and consists of 5 locations. One deterministic module has affine ranking function null and consists of 5 locations. 3 modules have a trivial ranking function, the largest among these consists of 21 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 10.7s and 7 iterations. TraceHistogramMax:2. Analysis of lassos took 9.4s. Construction of modules took 0.2s. Büchi inclusion checks took 0.8s. Highest rank in rank-based complementation 3. Minimization of det autom 6. Minimization of nondet autom 0. Automata minimization 0.0s AutomataMinimizationTime, 5 MinimizatonAttempts, 6 StatesRemovedByMinimization, 3 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 [3, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 193 SdHoareTripleChecker+Valid, 0.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 191 mSDsluCounter, 271 SdHoareTripleChecker+Invalid, 0.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 181 mSDsCounter, 23 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 197 IncrementalHoareTripleChecker+Invalid, 220 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 23 mSolverCounterUnsat, 90 mSDtfsCounter, 197 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc2 concLT0 SILN0 SILU1 SILI0 SILT0 lasso3 LassoPreprocessingBenchmarks: Lassos: inital155 mio100 ax112 hnf100 lsp85 ukn74 mio100 lsp47 div167 bol100 ite100 ukn100 eq161 hnf92 smp78 dnf131 smp83 tf100 neg100 sie100 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: sat Degree: 0 Time: 197ms VariablesStem: 12 VariablesLoop: 6 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 2 MotzkinApplications: 6 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! [2023-11-26 11:58:23,301 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de1d0839-cfda-4aaf-90eb-90550bfee5ca/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2023-11-26 11:58:23,498 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de1d0839-cfda-4aaf-90eb-90550bfee5ca/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE