./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/termination-crafted-lit/strchr-2.c --full-output --architecture 64bit -------------------------------------------------------------------------------- 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_3e0d77dc-c5d0-4fc1-85d3-5c47bfbbb5b2/bin/uautomizer-verify-VRDe98Ueme/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e0d77dc-c5d0-4fc1-85d3-5c47bfbbb5b2/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_3e0d77dc-c5d0-4fc1-85d3-5c47bfbbb5b2/bin/uautomizer-verify-VRDe98Ueme/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e0d77dc-c5d0-4fc1-85d3-5c47bfbbb5b2/bin/uautomizer-verify-VRDe98Ueme/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/termination-crafted-lit/strchr-2.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e0d77dc-c5d0-4fc1-85d3-5c47bfbbb5b2/bin/uautomizer-verify-VRDe98Ueme/config/svcomp-Termination-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e0d77dc-c5d0-4fc1-85d3-5c47bfbbb5b2/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 64bit --witnessprinter.graph.data.programhash 56543ff07033f409bda2d099925e951e930a78ae70df66d6e254f37a45b78a9d --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-26 10:42:52,617 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-26 10:42:52,748 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e0d77dc-c5d0-4fc1-85d3-5c47bfbbb5b2/bin/uautomizer-verify-VRDe98Ueme/config/svcomp-Termination-64bit-Automizer_Default.epf [2023-11-26 10:42:52,758 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-26 10:42:52,759 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-26 10:42:52,795 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-26 10:42:52,796 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-26 10:42:52,796 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-26 10:42:52,797 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-11-26 10:42:52,798 INFO L153 SettingsManager]: * Use memory slicer=true [2023-11-26 10:42:52,799 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-26 10:42:52,799 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-26 10:42:52,800 INFO L153 SettingsManager]: * Use SBE=true [2023-11-26 10:42:52,801 INFO L151 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2023-11-26 10:42:52,801 INFO L153 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2023-11-26 10:42:52,802 INFO L153 SettingsManager]: * Use old map elimination=false [2023-11-26 10:42:52,803 INFO L153 SettingsManager]: * Use external solver (rank synthesis)=false [2023-11-26 10:42:52,803 INFO L153 SettingsManager]: * Use only trivial implications for array writes=true [2023-11-26 10:42:52,804 INFO L153 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2023-11-26 10:42:52,805 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-26 10:42:52,805 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2023-11-26 10:42:52,806 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-26 10:42:52,807 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-26 10:42:52,807 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2023-11-26 10:42:52,808 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2023-11-26 10:42:52,808 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2023-11-26 10:42:52,809 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-26 10:42:52,809 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-26 10:42:52,810 INFO L153 SettingsManager]: * Assume nondeterminstic values are in range=false [2023-11-26 10:42:52,810 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-26 10:42:52,811 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-26 10:42:52,812 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-26 10:42:52,812 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-26 10:42:52,813 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-26 10:42:52,814 INFO L151 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2023-11-26 10:42:52,814 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_3e0d77dc-c5d0-4fc1-85d3-5c47bfbbb5b2/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e0d77dc-c5d0-4fc1-85d3-5c47bfbbb5b2/bin/uautomizer-verify-VRDe98Ueme Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 56543ff07033f409bda2d099925e951e930a78ae70df66d6e254f37a45b78a9d [2023-11-26 10:42:53,147 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-26 10:42:53,187 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-26 10:42:53,190 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-26 10:42:53,192 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-26 10:42:53,192 INFO L274 PluginConnector]: CDTParser initialized [2023-11-26 10:42:53,194 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e0d77dc-c5d0-4fc1-85d3-5c47bfbbb5b2/bin/uautomizer-verify-VRDe98Ueme/../../sv-benchmarks/c/termination-crafted-lit/strchr-2.c [2023-11-26 10:42:56,652 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-26 10:42:56,886 INFO L384 CDTParser]: Found 1 translation units. [2023-11-26 10:42:56,887 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e0d77dc-c5d0-4fc1-85d3-5c47bfbbb5b2/sv-benchmarks/c/termination-crafted-lit/strchr-2.c [2023-11-26 10:42:56,898 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e0d77dc-c5d0-4fc1-85d3-5c47bfbbb5b2/bin/uautomizer-verify-VRDe98Ueme/data/36c116603/f2aae7bfae7d4022afcc78652b2df26d/FLAGd81ab78f7 [2023-11-26 10:42:56,915 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e0d77dc-c5d0-4fc1-85d3-5c47bfbbb5b2/bin/uautomizer-verify-VRDe98Ueme/data/36c116603/f2aae7bfae7d4022afcc78652b2df26d [2023-11-26 10:42:56,919 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-26 10:42:56,921 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-26 10:42:56,923 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-26 10:42:56,924 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-26 10:42:56,932 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-26 10:42:56,933 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 10:42:56" (1/1) ... [2023-11-26 10:42:56,935 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2ccedcc8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:42:56, skipping insertion in model container [2023-11-26 10:42:56,936 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 10:42:56" (1/1) ... [2023-11-26 10:42:56,959 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-26 10:42:57,164 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-26 10:42:57,181 INFO L202 MainTranslator]: Completed pre-run [2023-11-26 10:42:57,197 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-26 10:42:57,213 INFO L206 MainTranslator]: Completed translation [2023-11-26 10:42:57,213 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:42:57 WrapperNode [2023-11-26 10:42:57,214 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-26 10:42:57,215 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-26 10:42:57,216 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-26 10:42:57,216 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-26 10:42:57,227 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:42:57" (1/1) ... [2023-11-26 10:42:57,237 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:42:57" (1/1) ... [2023-11-26 10:42:57,264 INFO L138 Inliner]: procedures = 11, calls = 9, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 47 [2023-11-26 10:42:57,265 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-26 10:42:57,266 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-26 10:42:57,266 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-26 10:42:57,266 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-26 10:42:57,281 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:42:57" (1/1) ... [2023-11-26 10:42:57,282 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:42:57" (1/1) ... [2023-11-26 10:42:57,295 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:42:57" (1/1) ... [2023-11-26 10:42:57,312 INFO L175 MemorySlicer]: Split 4 memory accesses to 1 slices as follows [4]. 100 percent of accesses are in the largest equivalence class. The 0 initializations are split as follows [0]. The 1 writes are split as follows [1]. [2023-11-26 10:42:57,312 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:42:57" (1/1) ... [2023-11-26 10:42:57,313 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:42:57" (1/1) ... [2023-11-26 10:42:57,318 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:42:57" (1/1) ... [2023-11-26 10:42:57,322 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:42:57" (1/1) ... [2023-11-26 10:42:57,323 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:42:57" (1/1) ... [2023-11-26 10:42:57,325 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:42:57" (1/1) ... [2023-11-26 10:42:57,327 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-26 10:42:57,328 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-26 10:42:57,329 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-26 10:42:57,329 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-26 10:42:57,335 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:42:57" (1/1) ... [2023-11-26 10:42:57,346 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 10:42:57,362 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e0d77dc-c5d0-4fc1-85d3-5c47bfbbb5b2/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 10:42:57,377 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e0d77dc-c5d0-4fc1-85d3-5c47bfbbb5b2/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 10:42:57,386 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e0d77dc-c5d0-4fc1-85d3-5c47bfbbb5b2/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2023-11-26 10:42:57,428 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2023-11-26 10:42:57,428 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-26 10:42:57,428 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-26 10:42:57,429 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-26 10:42:57,429 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2023-11-26 10:42:57,528 INFO L241 CfgBuilder]: Building ICFG [2023-11-26 10:42:57,531 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-26 10:42:57,746 INFO L282 CfgBuilder]: Performing block encoding [2023-11-26 10:42:57,762 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-26 10:42:57,768 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-26 10:42:57,770 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 10:42:57 BoogieIcfgContainer [2023-11-26 10:42:57,771 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-26 10:42:57,772 INFO L112 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2023-11-26 10:42:57,773 INFO L270 PluginConnector]: Initializing BuchiAutomizer... [2023-11-26 10:42:57,783 INFO L274 PluginConnector]: BuchiAutomizer initialized [2023-11-26 10:42:57,784 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2023-11-26 10:42:57,785 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 26.11 10:42:56" (1/3) ... [2023-11-26 10:42:57,787 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@1808db16 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 26.11 10:42:57, skipping insertion in model container [2023-11-26 10:42:57,788 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2023-11-26 10:42:57,788 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:42:57" (2/3) ... [2023-11-26 10:42:57,790 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@1808db16 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 26.11 10:42:57, skipping insertion in model container [2023-11-26 10:42:57,791 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2023-11-26 10:42:57,794 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 10:42:57" (3/3) ... [2023-11-26 10:42:57,796 INFO L332 chiAutomizerObserver]: Analyzing ICFG strchr-2.c [2023-11-26 10:42:57,886 INFO L303 stractBuchiCegarLoop]: Interprodecural is true [2023-11-26 10:42:57,886 INFO L304 stractBuchiCegarLoop]: Hoare is false [2023-11-26 10:42:57,886 INFO L305 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2023-11-26 10:42:57,887 INFO L306 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2023-11-26 10:42:57,887 INFO L307 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2023-11-26 10:42:57,887 INFO L308 stractBuchiCegarLoop]: Difference is false [2023-11-26 10:42:57,888 INFO L309 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2023-11-26 10:42:57,888 INFO L313 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2023-11-26 10:42:57,894 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 13 states, 12 states have (on average 1.3333333333333333) internal successors, (16), 12 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 10:42:57,921 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2023-11-26 10:42:57,921 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-26 10:42:57,921 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-26 10:42:57,929 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2023-11-26 10:42:57,930 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2023-11-26 10:42:57,930 INFO L335 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2023-11-26 10:42:57,930 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 13 states, 12 states have (on average 1.3333333333333333) internal successors, (16), 12 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 10:42:57,933 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2023-11-26 10:42:57,933 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-26 10:42:57,933 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-26 10:42:57,934 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2023-11-26 10:42:57,934 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2023-11-26 10:42:57,989 INFO L748 eck$LassoCheckResult]: Stem: 10#$Ultimate##0true assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 5#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret7#1.base, main_#t~ret7#1.offset, main_#t~nondet8#1, main_#t~ret9#1.base, main_#t~ret9#1.offset;assume { :begin_inline_build_nondet_String } true;havoc build_nondet_String_#res#1.base, build_nondet_String_#res#1.offset;havoc build_nondet_String_#t~nondet0#1, build_nondet_String_#t~malloc1#1.base, build_nondet_String_#t~malloc1#1.offset, build_nondet_String_~length~0#1, build_nondet_String_~nondetString~0#1.base, build_nondet_String_~nondetString~0#1.offset;havoc build_nondet_String_#t~nondet0#1;build_nondet_String_~length~0#1 := build_nondet_String_#t~nondet0#1;havoc build_nondet_String_#t~nondet0#1; 6#L14true assume !(build_nondet_String_~length~0#1 < 1); 12#L14-2true call build_nondet_String_#t~malloc1#1.base, build_nondet_String_#t~malloc1#1.offset := #Ultimate.allocOnHeap(build_nondet_String_~length~0#1 % 18446744073709551616);build_nondet_String_~nondetString~0#1.base, build_nondet_String_~nondetString~0#1.offset := build_nondet_String_#t~malloc1#1.base, build_nondet_String_#t~malloc1#1.offset;havoc build_nondet_String_#t~malloc1#1.base, build_nondet_String_#t~malloc1#1.offset;call write~int#0(0, build_nondet_String_~nondetString~0#1.base, build_nondet_String_~nondetString~0#1.offset + (build_nondet_String_~length~0#1 - 1), 1);build_nondet_String_#res#1.base, build_nondet_String_#res#1.offset := build_nondet_String_~nondetString~0#1.base, build_nondet_String_~nondetString~0#1.offset; 2#build_nondet_String_returnLabel#1true main_#t~ret7#1.base, main_#t~ret7#1.offset := build_nondet_String_#res#1.base, build_nondet_String_#res#1.offset;havoc build_nondet_String_#t~nondet0#1, build_nondet_String_#t~malloc1#1.base, build_nondet_String_#t~malloc1#1.offset, build_nondet_String_~length~0#1, build_nondet_String_~nondetString~0#1.base, build_nondet_String_~nondetString~0#1.offset;assume { :end_inline_build_nondet_String } true;havoc main_#t~nondet8#1;assume { :begin_inline_cstrchr } true;cstrchr_#in~s#1.base, cstrchr_#in~s#1.offset, cstrchr_#in~c#1 := main_#t~ret7#1.base, main_#t~ret7#1.offset, main_#t~nondet8#1;havoc cstrchr_#res#1.base, cstrchr_#res#1.offset;havoc cstrchr_#t~post5#1.base, cstrchr_#t~post5#1.offset, cstrchr_#t~mem2#1, cstrchr_#t~mem3#1, cstrchr_#t~short4#1, cstrchr_#t~mem6#1, cstrchr_~s#1.base, cstrchr_~s#1.offset, cstrchr_~c#1;cstrchr_~s#1.base, cstrchr_~s#1.offset := cstrchr_#in~s#1.base, cstrchr_#in~s#1.offset;cstrchr_~c#1 := cstrchr_#in~c#1; 13#L31-5true [2023-11-26 10:42:57,990 INFO L750 eck$LassoCheckResult]: Loop: 13#L31-5true call cstrchr_#t~mem2#1 := read~int#0(cstrchr_~s#1.base, cstrchr_~s#1.offset, 1);cstrchr_#t~short4#1 := 0 != cstrchr_#t~mem2#1; 11#L31-1true assume cstrchr_#t~short4#1;call cstrchr_#t~mem3#1 := read~int#0(cstrchr_~s#1.base, cstrchr_~s#1.offset, 1);cstrchr_#t~short4#1 := cstrchr_#t~mem3#1 != (if cstrchr_~c#1 % 256 <= 127 then cstrchr_~c#1 % 256 else cstrchr_~c#1 % 256 - 256); 7#L31-3true assume !!cstrchr_#t~short4#1;havoc cstrchr_#t~mem2#1;havoc cstrchr_#t~mem3#1;havoc cstrchr_#t~short4#1;cstrchr_#t~post5#1.base, cstrchr_#t~post5#1.offset := cstrchr_~s#1.base, cstrchr_~s#1.offset;cstrchr_~s#1.base, cstrchr_~s#1.offset := cstrchr_#t~post5#1.base, 1 + cstrchr_#t~post5#1.offset;havoc cstrchr_#t~post5#1.base, cstrchr_#t~post5#1.offset; 13#L31-5true [2023-11-26 10:42:57,999 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 10:42:57,999 INFO L85 PathProgramCache]: Analyzing trace with hash 28695750, now seen corresponding path program 1 times [2023-11-26 10:42:58,012 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 10:42:58,013 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [707641112] [2023-11-26 10:42:58,014 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 10:42:58,014 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 10:42:58,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 10:42:58,192 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-26 10:42:58,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 10:42:58,284 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-26 10:42:58,292 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 10:42:58,293 INFO L85 PathProgramCache]: Analyzing trace with hash 45783, now seen corresponding path program 1 times [2023-11-26 10:42:58,293 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 10:42:58,294 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [231734091] [2023-11-26 10:42:58,294 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 10:42:58,295 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 10:42:58,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 10:42:58,342 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-26 10:42:58,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 10:42:58,376 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-26 10:42:58,381 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 10:42:58,382 INFO L85 PathProgramCache]: Analyzing trace with hash 176612338, now seen corresponding path program 1 times [2023-11-26 10:42:58,383 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 10:42:58,384 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [210681748] [2023-11-26 10:42:58,384 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 10:42:58,385 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 10:42:58,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 10:42:58,490 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-26 10:42:58,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 10:42:58,575 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-26 10:42:59,812 INFO L210 LassoAnalysis]: Preferences: [2023-11-26 10:42:59,813 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-11-26 10:42:59,813 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-11-26 10:42:59,814 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-11-26 10:42:59,814 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2023-11-26 10:42:59,814 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 10:42:59,815 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-11-26 10:42:59,815 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-11-26 10:42:59,815 INFO L133 ssoRankerPreferences]: Filename of dumped script: strchr-2.c_Iteration1_Lasso [2023-11-26 10:42:59,815 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-11-26 10:42:59,816 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-11-26 10:42:59,846 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 10:42:59,857 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 10:42:59,862 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 10:42:59,870 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 10:42:59,875 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 10:43:00,280 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 10:43:00,285 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 10:43:00,290 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 10:43:00,298 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 10:43:00,304 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 10:43:00,311 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 10:43:00,316 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 10:43:00,323 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 10:43:00,328 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 10:43:00,333 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 10:43:00,337 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 10:43:00,341 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 10:43:00,346 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 10:43:00,352 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 10:43:00,357 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 10:43:00,361 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 10:43:01,145 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-11-26 10:43:01,150 INFO L490 LassoAnalysis]: Using template 'affine'. [2023-11-26 10:43:01,152 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 10:43:01,153 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e0d77dc-c5d0-4fc1-85d3-5c47bfbbb5b2/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 10:43:01,159 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e0d77dc-c5d0-4fc1-85d3-5c47bfbbb5b2/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 10:43:01,170 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-26 10:43:01,184 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e0d77dc-c5d0-4fc1-85d3-5c47bfbbb5b2/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2023-11-26 10:43:01,185 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 10:43:01,186 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-26 10:43:01,186 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 10:43:01,187 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 10:43:01,187 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 10:43:01,189 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-26 10:43:01,189 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-26 10:43:01,203 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 10:43:01,207 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e0d77dc-c5d0-4fc1-85d3-5c47bfbbb5b2/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Forceful destruction successful, exit code 0 [2023-11-26 10:43:01,208 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 10:43:01,208 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e0d77dc-c5d0-4fc1-85d3-5c47bfbbb5b2/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 10:43:01,210 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e0d77dc-c5d0-4fc1-85d3-5c47bfbbb5b2/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 10:43:01,213 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e0d77dc-c5d0-4fc1-85d3-5c47bfbbb5b2/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2023-11-26 10:43:01,214 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 10:43:01,227 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 10:43:01,227 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-26 10:43:01,227 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 10:43:01,227 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 10:43:01,227 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 10:43:01,228 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-26 10:43:01,228 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-26 10:43:01,245 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 10:43:01,255 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e0d77dc-c5d0-4fc1-85d3-5c47bfbbb5b2/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Forceful destruction successful, exit code 0 [2023-11-26 10:43:01,255 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 10:43:01,256 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e0d77dc-c5d0-4fc1-85d3-5c47bfbbb5b2/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 10:43:01,257 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e0d77dc-c5d0-4fc1-85d3-5c47bfbbb5b2/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 10:43:01,264 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e0d77dc-c5d0-4fc1-85d3-5c47bfbbb5b2/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2023-11-26 10:43:01,264 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 10:43:01,279 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 10:43:01,279 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 10:43:01,279 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 10:43:01,279 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 10:43:01,284 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-26 10:43:01,285 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-26 10:43:01,303 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 10:43:01,308 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e0d77dc-c5d0-4fc1-85d3-5c47bfbbb5b2/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Forceful destruction successful, exit code 0 [2023-11-26 10:43:01,308 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 10:43:01,309 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e0d77dc-c5d0-4fc1-85d3-5c47bfbbb5b2/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 10:43:01,310 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e0d77dc-c5d0-4fc1-85d3-5c47bfbbb5b2/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 10:43:01,316 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e0d77dc-c5d0-4fc1-85d3-5c47bfbbb5b2/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2023-11-26 10:43:01,316 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 10:43:01,333 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 10:43:01,333 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-26 10:43:01,334 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 10:43:01,334 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 10:43:01,334 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 10:43:01,336 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-26 10:43:01,336 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-26 10:43:01,346 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 10:43:01,357 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e0d77dc-c5d0-4fc1-85d3-5c47bfbbb5b2/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Forceful destruction successful, exit code 0 [2023-11-26 10:43:01,357 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 10:43:01,357 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e0d77dc-c5d0-4fc1-85d3-5c47bfbbb5b2/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 10:43:01,360 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e0d77dc-c5d0-4fc1-85d3-5c47bfbbb5b2/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 10:43:01,363 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e0d77dc-c5d0-4fc1-85d3-5c47bfbbb5b2/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2023-11-26 10:43:01,364 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 10:43:01,378 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 10:43:01,378 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 10:43:01,379 INFO L204 nArgumentSynthesizer]: 6 loop disjuncts [2023-11-26 10:43:01,379 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 10:43:01,526 INFO L401 nArgumentSynthesizer]: We have 96 Motzkin's Theorem applications. [2023-11-26 10:43:01,526 INFO L402 nArgumentSynthesizer]: A total of 12 supporting invariants were added. [2023-11-26 10:43:01,695 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 10:43:01,707 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e0d77dc-c5d0-4fc1-85d3-5c47bfbbb5b2/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Forceful destruction successful, exit code 0 [2023-11-26 10:43:01,708 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 10:43:01,708 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e0d77dc-c5d0-4fc1-85d3-5c47bfbbb5b2/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 10:43:01,709 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e0d77dc-c5d0-4fc1-85d3-5c47bfbbb5b2/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 10:43:01,714 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 10:43:01,726 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e0d77dc-c5d0-4fc1-85d3-5c47bfbbb5b2/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2023-11-26 10:43:01,727 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 10:43:01,727 INFO L203 nArgumentSynthesizer]: 2 stem disjuncts [2023-11-26 10:43:01,728 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 10:43:01,728 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 10:43:01,735 INFO L401 nArgumentSynthesizer]: We have 8 Motzkin's Theorem applications. [2023-11-26 10:43:01,736 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-26 10:43:01,751 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 10:43:01,760 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e0d77dc-c5d0-4fc1-85d3-5c47bfbbb5b2/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Forceful destruction successful, exit code 0 [2023-11-26 10:43:01,764 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 10:43:01,764 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e0d77dc-c5d0-4fc1-85d3-5c47bfbbb5b2/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 10:43:01,766 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e0d77dc-c5d0-4fc1-85d3-5c47bfbbb5b2/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 10:43:01,770 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 10:43:01,782 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 10:43:01,783 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 10:43:01,783 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 10:43:01,783 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 10:43:01,784 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e0d77dc-c5d0-4fc1-85d3-5c47bfbbb5b2/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2023-11-26 10:43:01,788 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-26 10:43:01,789 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-26 10:43:01,807 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 10:43:01,823 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e0d77dc-c5d0-4fc1-85d3-5c47bfbbb5b2/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Forceful destruction successful, exit code 0 [2023-11-26 10:43:01,824 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 10:43:01,824 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e0d77dc-c5d0-4fc1-85d3-5c47bfbbb5b2/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 10:43:01,825 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e0d77dc-c5d0-4fc1-85d3-5c47bfbbb5b2/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 10:43:01,829 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e0d77dc-c5d0-4fc1-85d3-5c47bfbbb5b2/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2023-11-26 10:43:01,830 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 10:43:01,843 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 10:43:01,843 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 10:43:01,843 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 10:43:01,843 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 10:43:01,845 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-26 10:43:01,846 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-26 10:43:01,862 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 10:43:01,866 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e0d77dc-c5d0-4fc1-85d3-5c47bfbbb5b2/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Forceful destruction successful, exit code 0 [2023-11-26 10:43:01,867 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 10:43:01,867 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e0d77dc-c5d0-4fc1-85d3-5c47bfbbb5b2/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 10:43:01,868 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e0d77dc-c5d0-4fc1-85d3-5c47bfbbb5b2/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 10:43:01,872 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 10:43:01,884 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e0d77dc-c5d0-4fc1-85d3-5c47bfbbb5b2/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Waiting until timeout for monitored process [2023-11-26 10:43:01,885 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 10:43:01,885 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 10:43:01,885 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 10:43:01,885 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 10:43:01,891 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-26 10:43:01,891 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-26 10:43:01,904 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2023-11-26 10:43:01,925 INFO L443 ModelExtractionUtils]: Simplification made 6 calls to the SMT solver. [2023-11-26 10:43:01,925 INFO L444 ModelExtractionUtils]: 1 out of 13 variables were initially zero. Simplification set additionally 9 variables to zero. [2023-11-26 10:43:01,927 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 10:43:01,927 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e0d77dc-c5d0-4fc1-85d3-5c47bfbbb5b2/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 10:43:01,974 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e0d77dc-c5d0-4fc1-85d3-5c47bfbbb5b2/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 10:43:01,978 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e0d77dc-c5d0-4fc1-85d3-5c47bfbbb5b2/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Waiting until timeout for monitored process [2023-11-26 10:43:01,979 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2023-11-26 10:43:02,005 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2023-11-26 10:43:02,005 INFO L513 LassoAnalysis]: Proved termination. [2023-11-26 10:43:02,006 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_cstrchr_~s#1.offset, v_rep(select #length ULTIMATE.start_build_nondet_String_#res#1.base)_1) = -1*ULTIMATE.start_cstrchr_~s#1.offset + 1*v_rep(select #length ULTIMATE.start_build_nondet_String_#res#1.base)_1 Supporting invariants [] [2023-11-26 10:43:02,015 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e0d77dc-c5d0-4fc1-85d3-5c47bfbbb5b2/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Forceful destruction successful, exit code 0 [2023-11-26 10:43:02,025 INFO L156 tatePredicateManager]: 2 out of 3 supporting invariants were superfluous and have been removed [2023-11-26 10:43:02,034 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: Expression ~s!offset has a CASTFunctionDefinition but is no IdentifierExpression: IdentifierExpression [2023-11-26 10:43:02,035 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #length[#res!base] could not be translated [2023-11-26 10:43:02,063 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 10:43:02,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:43:02,096 INFO L262 TraceCheckSpWp]: Trace formula consists of 47 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-26 10:43:02,098 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-26 10:43:02,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:43:02,133 INFO L262 TraceCheckSpWp]: Trace formula consists of 24 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-26 10:43:02,134 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-26 10:43:02,168 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 10:43:02,210 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 10:43:02,211 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand has 13 states, 12 states have (on average 1.3333333333333333) internal successors, (16), 12 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) 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 10:43:02,320 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand has 13 states, 12 states have (on average 1.3333333333333333) internal successors, (16), 12 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). 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 23 states and 28 transitions. Complement of second has 6 states. [2023-11-26 10:43:02,322 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2023-11-26 10:43:02,329 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 10:43:02,330 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 17 transitions. [2023-11-26 10:43:02,332 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 17 transitions. Stem has 5 letters. Loop has 3 letters. [2023-11-26 10:43:02,333 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-26 10:43:02,333 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 17 transitions. Stem has 8 letters. Loop has 3 letters. [2023-11-26 10:43:02,333 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-26 10:43:02,334 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 17 transitions. Stem has 5 letters. Loop has 6 letters. [2023-11-26 10:43:02,334 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-26 10:43:02,335 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 23 states and 28 transitions. [2023-11-26 10:43:02,340 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2023-11-26 10:43:02,342 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 23 states to 0 states and 0 transitions. [2023-11-26 10:43:02,344 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2023-11-26 10:43:02,344 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2023-11-26 10:43:02,344 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2023-11-26 10:43:02,345 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-26 10:43:02,345 INFO L218 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-11-26 10:43:02,345 INFO L240 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-11-26 10:43:02,345 INFO L428 stractBuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-11-26 10:43:02,345 INFO L335 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2023-11-26 10:43:02,345 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2023-11-26 10:43:02,346 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2023-11-26 10:43:02,346 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2023-11-26 10:43:02,369 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 26.11 10:43:02 BoogieIcfgContainer [2023-11-26 10:43:02,369 INFO L131 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2023-11-26 10:43:02,371 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-26 10:43:02,371 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-26 10:43:02,371 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-26 10:43:02,371 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 10:42:57" (3/4) ... [2023-11-26 10:43:02,373 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-26 10:43:02,375 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-26 10:43:02,376 INFO L158 Benchmark]: Toolchain (without parser) took 5454.26ms. Allocated memory was 125.8MB in the beginning and 199.2MB in the end (delta: 73.4MB). Free memory was 79.8MB in the beginning and 167.7MB in the end (delta: -87.9MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-26 10:43:02,376 INFO L158 Benchmark]: CDTParser took 0.34ms. Allocated memory is still 125.8MB. Free memory is still 98.8MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-26 10:43:02,377 INFO L158 Benchmark]: CACSL2BoogieTranslator took 291.12ms. Allocated memory is still 125.8MB. Free memory was 79.8MB in the beginning and 69.7MB in the end (delta: 10.1MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-11-26 10:43:02,377 INFO L158 Benchmark]: Boogie Procedure Inliner took 49.60ms. Allocated memory is still 125.8MB. Free memory was 69.7MB in the beginning and 68.3MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-26 10:43:02,378 INFO L158 Benchmark]: Boogie Preprocessor took 61.50ms. Allocated memory is still 125.8MB. Free memory was 67.9MB in the beginning and 66.3MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-26 10:43:02,378 INFO L158 Benchmark]: RCFGBuilder took 442.89ms. Allocated memory is still 125.8MB. Free memory was 66.3MB in the beginning and 55.8MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-11-26 10:43:02,379 INFO L158 Benchmark]: BuchiAutomizer took 4596.41ms. Allocated memory was 125.8MB in the beginning and 199.2MB in the end (delta: 73.4MB). Free memory was 55.8MB in the beginning and 168.0MB in the end (delta: -112.2MB). Peak memory consumption was 78.2MB. Max. memory is 16.1GB. [2023-11-26 10:43:02,379 INFO L158 Benchmark]: Witness Printer took 4.20ms. Allocated memory is still 199.2MB. Free memory is still 167.7MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-26 10:43:02,383 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### [2023-11-26 10:43:02,392 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e0d77dc-c5d0-4fc1-85d3-5c47bfbbb5b2/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Forceful destruction successful, exit code 0 --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.34ms. Allocated memory is still 125.8MB. Free memory is still 98.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 291.12ms. Allocated memory is still 125.8MB. Free memory was 79.8MB in the beginning and 69.7MB in the end (delta: 10.1MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 49.60ms. Allocated memory is still 125.8MB. Free memory was 69.7MB in the beginning and 68.3MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 61.50ms. Allocated memory is still 125.8MB. Free memory was 67.9MB in the beginning and 66.3MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 442.89ms. Allocated memory is still 125.8MB. Free memory was 66.3MB in the beginning and 55.8MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * BuchiAutomizer took 4596.41ms. Allocated memory was 125.8MB in the beginning and 199.2MB in the end (delta: 73.4MB). Free memory was 55.8MB in the beginning and 168.0MB in the end (delta: -112.2MB). Peak memory consumption was 78.2MB. Max. memory is 16.1GB. * Witness Printer took 4.20ms. Allocated memory is still 199.2MB. Free memory is still 167.7MB. 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: Expression ~s!offset has a CASTFunctionDefinition but is no IdentifierExpression: IdentifierExpression - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #length[#res!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 1 terminating modules (0 trivial, 1 deterministic, 0 nondeterministic). One deterministic module has affine ranking function null and consists of 4 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 4.4s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 4.0s. Construction of modules took 0.0s. Büchi inclusion checks took 0.2s. Highest rank in rank-based complementation 3. Minimization of det autom 1. Minimization of nondet autom 0. Automata minimization No data available. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had -1 states and ocurred in iteration -1. Nontrivial modules had stage [1, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 14 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 14 mSDsluCounter, 11 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 2 mSDsCounter, 4 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 9 IncrementalHoareTripleChecker+Invalid, 13 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 4 mSolverCounterUnsat, 9 mSDtfsCounter, 9 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso1 LassoPreprocessingBenchmarks: Lassos: inital165 mio100 ax100 hnf100 lsp94 ukn79 mio100 lsp32 div172 bol100 ite100 ukn100 eq155 hnf96 smp67 dnf825 smp28 tf100 neg100 sie113 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 337ms VariablesStem: 3 VariablesLoop: 4 DisjunctsStem: 1 DisjunctsLoop: 6 SupportingInvariants: 12 MotzkinApplications: 96 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 10:43:02,413 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e0d77dc-c5d0-4fc1-85d3-5c47bfbbb5b2/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