./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/termination-dietlibc/strrchr_short.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 527bcce2 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ada46b5a-edbe-4b72-80c8-c53e6d76d55d/bin/uautomizer-verify-bycVGegfSx/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ada46b5a-edbe-4b72-80c8-c53e6d76d55d/bin/uautomizer-verify-bycVGegfSx/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ada46b5a-edbe-4b72-80c8-c53e6d76d55d/bin/uautomizer-verify-bycVGegfSx/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ada46b5a-edbe-4b72-80c8-c53e6d76d55d/bin/uautomizer-verify-bycVGegfSx/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/termination-dietlibc/strrchr_short.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ada46b5a-edbe-4b72-80c8-c53e6d76d55d/bin/uautomizer-verify-bycVGegfSx/config/svcomp-Termination-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ada46b5a-edbe-4b72-80c8-c53e6d76d55d/bin/uautomizer-verify-bycVGegfSx --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 5714449da9967bbd2918d4305e52dc9c1161024d975984886640d613abe881d1 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-527bcce [2023-11-21 22:16:38,834 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-21 22:16:38,961 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ada46b5a-edbe-4b72-80c8-c53e6d76d55d/bin/uautomizer-verify-bycVGegfSx/config/svcomp-Termination-64bit-Automizer_Default.epf [2023-11-21 22:16:38,966 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-21 22:16:38,967 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-21 22:16:38,997 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-21 22:16:38,998 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-21 22:16:38,999 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-21 22:16:39,000 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-11-21 22:16:39,000 INFO L153 SettingsManager]: * Use memory slicer=true [2023-11-21 22:16:39,001 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-21 22:16:39,002 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-21 22:16:39,003 INFO L153 SettingsManager]: * Use SBE=true [2023-11-21 22:16:39,014 INFO L151 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2023-11-21 22:16:39,015 INFO L153 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2023-11-21 22:16:39,016 INFO L153 SettingsManager]: * Use old map elimination=false [2023-11-21 22:16:39,018 INFO L153 SettingsManager]: * Use external solver (rank synthesis)=false [2023-11-21 22:16:39,024 INFO L153 SettingsManager]: * Use only trivial implications for array writes=true [2023-11-21 22:16:39,025 INFO L153 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2023-11-21 22:16:39,025 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-21 22:16:39,026 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2023-11-21 22:16:39,027 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-21 22:16:39,028 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-21 22:16:39,028 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2023-11-21 22:16:39,029 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2023-11-21 22:16:39,029 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2023-11-21 22:16:39,030 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-21 22:16:39,030 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-21 22:16:39,031 INFO L153 SettingsManager]: * Assume nondeterminstic values are in range=false [2023-11-21 22:16:39,031 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-21 22:16:39,031 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-21 22:16:39,032 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-21 22:16:39,032 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-21 22:16:39,033 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-21 22:16:39,033 INFO L151 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2023-11-21 22:16:39,034 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_ada46b5a-edbe-4b72-80c8-c53e6d76d55d/bin/uautomizer-verify-bycVGegfSx/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ada46b5a-edbe-4b72-80c8-c53e6d76d55d/bin/uautomizer-verify-bycVGegfSx Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5714449da9967bbd2918d4305e52dc9c1161024d975984886640d613abe881d1 [2023-11-21 22:16:39,357 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-21 22:16:39,404 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-21 22:16:39,407 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-21 22:16:39,409 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-21 22:16:39,410 INFO L274 PluginConnector]: CDTParser initialized [2023-11-21 22:16:39,411 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ada46b5a-edbe-4b72-80c8-c53e6d76d55d/bin/uautomizer-verify-bycVGegfSx/../../sv-benchmarks/c/termination-dietlibc/strrchr_short.i [2023-11-21 22:16:42,862 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-21 22:16:43,141 INFO L384 CDTParser]: Found 1 translation units. [2023-11-21 22:16:43,142 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ada46b5a-edbe-4b72-80c8-c53e6d76d55d/sv-benchmarks/c/termination-dietlibc/strrchr_short.i [2023-11-21 22:16:43,159 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ada46b5a-edbe-4b72-80c8-c53e6d76d55d/bin/uautomizer-verify-bycVGegfSx/data/ac4bf7d08/ea924a72c37c4e45948e464cf7169ef5/FLAG6ea01efa4 [2023-11-21 22:16:43,175 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ada46b5a-edbe-4b72-80c8-c53e6d76d55d/bin/uautomizer-verify-bycVGegfSx/data/ac4bf7d08/ea924a72c37c4e45948e464cf7169ef5 [2023-11-21 22:16:43,178 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-21 22:16:43,180 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-21 22:16:43,182 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-21 22:16:43,182 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-21 22:16:43,189 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-21 22:16:43,190 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 10:16:43" (1/1) ... [2023-11-21 22:16:43,191 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6cdf6062 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:16:43, skipping insertion in model container [2023-11-21 22:16:43,191 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 10:16:43" (1/1) ... [2023-11-21 22:16:43,238 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-21 22:16:43,571 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 22:16:43,588 INFO L202 MainTranslator]: Completed pre-run [2023-11-21 22:16:43,637 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 22:16:43,674 INFO L206 MainTranslator]: Completed translation [2023-11-21 22:16:43,675 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:16:43 WrapperNode [2023-11-21 22:16:43,676 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-21 22:16:43,677 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-21 22:16:43,678 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-21 22:16:43,678 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-21 22:16:43,688 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:16:43" (1/1) ... [2023-11-21 22:16:43,704 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:16:43" (1/1) ... [2023-11-21 22:16:43,731 INFO L138 Inliner]: procedures = 113, calls = 9, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 49 [2023-11-21 22:16:43,732 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-21 22:16:43,733 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-21 22:16:43,734 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-21 22:16:43,734 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-21 22:16:43,748 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:16:43" (1/1) ... [2023-11-21 22:16:43,749 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:16:43" (1/1) ... [2023-11-21 22:16:43,753 INFO L184 PluginConnector]: Executing the observer HeapSplitter from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:16:43" (1/1) ... [2023-11-21 22:16:43,767 INFO L187 HeapSplitter]: Split 3 memory accesses to 1 slices as follows [3] [2023-11-21 22:16:43,768 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:16:43" (1/1) ... [2023-11-21 22:16:43,768 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:16:43" (1/1) ... [2023-11-21 22:16:43,775 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:16:43" (1/1) ... [2023-11-21 22:16:43,779 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:16:43" (1/1) ... [2023-11-21 22:16:43,781 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:16:43" (1/1) ... [2023-11-21 22:16:43,783 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:16:43" (1/1) ... [2023-11-21 22:16:43,785 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-21 22:16:43,787 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-21 22:16:43,787 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-21 22:16:43,787 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-21 22:16:43,788 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:16:43" (1/1) ... [2023-11-21 22:16:43,797 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-21 22:16:43,811 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ada46b5a-edbe-4b72-80c8-c53e6d76d55d/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 22:16:43,828 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ada46b5a-edbe-4b72-80c8-c53e6d76d55d/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-21 22:16:43,861 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ada46b5a-edbe-4b72-80c8-c53e6d76d55d/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2023-11-21 22:16:43,896 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2023-11-21 22:16:43,897 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2023-11-21 22:16:43,897 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-21 22:16:43,898 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-21 22:16:43,899 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-21 22:16:43,899 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-21 22:16:44,002 INFO L240 CfgBuilder]: Building ICFG [2023-11-21 22:16:44,005 INFO L266 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-21 22:16:44,168 INFO L281 CfgBuilder]: Performing block encoding [2023-11-21 22:16:44,178 INFO L303 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-21 22:16:44,179 INFO L308 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-21 22:16:44,181 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 10:16:44 BoogieIcfgContainer [2023-11-21 22:16:44,181 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-21 22:16:44,183 INFO L112 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2023-11-21 22:16:44,183 INFO L270 PluginConnector]: Initializing BuchiAutomizer... [2023-11-21 22:16:44,189 INFO L274 PluginConnector]: BuchiAutomizer initialized [2023-11-21 22:16:44,190 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2023-11-21 22:16:44,190 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 21.11 10:16:43" (1/3) ... [2023-11-21 22:16:44,191 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@58ef98aa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 21.11 10:16:44, skipping insertion in model container [2023-11-21 22:16:44,192 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2023-11-21 22:16:44,192 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:16:43" (2/3) ... [2023-11-21 22:16:44,193 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@58ef98aa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 21.11 10:16:44, skipping insertion in model container [2023-11-21 22:16:44,193 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2023-11-21 22:16:44,193 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 10:16:44" (3/3) ... [2023-11-21 22:16:44,195 INFO L332 chiAutomizerObserver]: Analyzing ICFG strrchr_short.i [2023-11-21 22:16:44,264 INFO L303 stractBuchiCegarLoop]: Interprodecural is true [2023-11-21 22:16:44,265 INFO L304 stractBuchiCegarLoop]: Hoare is false [2023-11-21 22:16:44,265 INFO L305 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2023-11-21 22:16:44,265 INFO L306 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2023-11-21 22:16:44,265 INFO L307 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2023-11-21 22:16:44,266 INFO L308 stractBuchiCegarLoop]: Difference is false [2023-11-21 22:16:44,266 INFO L309 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2023-11-21 22:16:44,266 INFO L313 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2023-11-21 22:16:44,274 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 12 states, 11 states have (on average 1.4545454545454546) internal successors, (16), 11 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) [2023-11-21 22:16:44,295 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2023-11-21 22:16:44,296 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-21 22:16:44,296 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-21 22:16:44,302 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1] [2023-11-21 22:16:44,303 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2023-11-21 22:16:44,304 INFO L335 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2023-11-21 22:16:44,304 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 12 states, 11 states have (on average 1.4545454545454546) internal successors, (16), 11 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) [2023-11-21 22:16:44,308 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2023-11-21 22:16:44,308 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-21 22:16:44,308 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-21 22:16:44,309 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1] [2023-11-21 22:16:44,309 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2023-11-21 22:16:44,318 INFO L748 eck$LassoCheckResult]: Stem: 7#$Ultimate##0true assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 8#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet5#1, main_#t~malloc6#1.base, main_#t~malloc6#1.offset, main_#t~nondet7#1, main_#t~ret8#1.base, main_#t~ret8#1.offset, main_~in_len~0#1, main_~in~0#1.base, main_~in~0#1.offset, main_~the_int~0#1;havoc main_#t~nondet5#1;main_~in_len~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 10#L517true assume !(main_~in_len~0#1 < 1);call main_#t~malloc6#1.base, main_#t~malloc6#1.offset := #Ultimate.allocOnStack(main_~in_len~0#1 % 18446744073709551616);main_~in~0#1.base, main_~in~0#1.offset := main_#t~malloc6#1.base, main_#t~malloc6#1.offset;call write~int#0(0, main_~in~0#1.base, main_~in~0#1.offset + (main_~in_len~0#1 - 1), 1);havoc main_#t~nondet7#1;main_~the_int~0#1 := main_#t~nondet7#1;havoc main_#t~nondet7#1;assume { :begin_inline_strrchr } true;strrchr_#in~t#1.base, strrchr_#in~t#1.offset, strrchr_#in~c#1 := main_~in~0#1.base, main_~in~0#1.offset, main_~the_int~0#1;havoc strrchr_#res#1.base, strrchr_#res#1.offset;havoc strrchr_#t~mem2#1, strrchr_#t~mem3#1, strrchr_#t~pre4#1.base, strrchr_#t~pre4#1.offset, strrchr_~t#1.base, strrchr_~t#1.offset, strrchr_~c#1, strrchr_~ch~0#1, strrchr_~l~0#1.base, strrchr_~l~0#1.offset;strrchr_~t#1.base, strrchr_~t#1.offset := strrchr_#in~t#1.base, strrchr_#in~t#1.offset;strrchr_~c#1 := strrchr_#in~c#1;havoc strrchr_~ch~0#1;strrchr_~l~0#1.base, strrchr_~l~0#1.offset := 0, 0;strrchr_~ch~0#1 := (if strrchr_~c#1 % 256 <= 127 then strrchr_~c#1 % 256 else strrchr_~c#1 % 256 - 256); 9#L510-2true [2023-11-21 22:16:44,319 INFO L750 eck$LassoCheckResult]: Loop: 9#L510-2true assume !false;call strrchr_#t~mem2#1 := read~int#0(strrchr_~t#1.base, strrchr_~t#1.offset, 1); 4#L511true assume strrchr_#t~mem2#1 == strrchr_~ch~0#1;havoc strrchr_#t~mem2#1;strrchr_~l~0#1.base, strrchr_~l~0#1.offset := strrchr_~t#1.base, strrchr_~t#1.offset; 6#L511-2true call strrchr_#t~mem3#1 := read~int#0(strrchr_~t#1.base, strrchr_~t#1.offset, 1); 11#L511-3true assume !(0 == strrchr_#t~mem3#1);havoc strrchr_#t~mem3#1;strrchr_#t~pre4#1.base, strrchr_#t~pre4#1.offset := strrchr_~t#1.base, 1 + strrchr_~t#1.offset;strrchr_~t#1.base, strrchr_~t#1.offset := strrchr_~t#1.base, 1 + strrchr_~t#1.offset;havoc strrchr_#t~pre4#1.base, strrchr_#t~pre4#1.offset; 9#L510-2true [2023-11-21 22:16:44,327 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 22:16:44,328 INFO L85 PathProgramCache]: Analyzing trace with hash 29860, now seen corresponding path program 1 times [2023-11-21 22:16:44,340 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-21 22:16:44,341 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1330926974] [2023-11-21 22:16:44,341 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 22:16:44,342 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 22:16:44,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-21 22:16:44,527 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-21 22:16:44,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-21 22:16:44,589 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-21 22:16:44,596 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 22:16:44,596 INFO L85 PathProgramCache]: Analyzing trace with hash 1388393, now seen corresponding path program 1 times [2023-11-21 22:16:44,596 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-21 22:16:44,597 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [936099897] [2023-11-21 22:16:44,597 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 22:16:44,597 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 22:16:44,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-21 22:16:44,621 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-21 22:16:44,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-21 22:16:44,645 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-21 22:16:44,647 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 22:16:44,647 INFO L85 PathProgramCache]: Analyzing trace with hash 1806998156, now seen corresponding path program 1 times [2023-11-21 22:16:44,648 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-21 22:16:44,648 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1283427501] [2023-11-21 22:16:44,648 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 22:16:44,649 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 22:16:44,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-21 22:16:44,696 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-21 22:16:44,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-21 22:16:44,737 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-21 22:16:45,536 INFO L210 LassoAnalysis]: Preferences: [2023-11-21 22:16:45,536 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-11-21 22:16:45,537 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-11-21 22:16:45,537 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-11-21 22:16:45,537 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2023-11-21 22:16:45,537 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-21 22:16:45,538 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-11-21 22:16:45,538 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-11-21 22:16:45,538 INFO L133 ssoRankerPreferences]: Filename of dumped script: strrchr_short.i_Iteration1_Lasso [2023-11-21 22:16:45,538 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-11-21 22:16:45,538 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-11-21 22:16:45,570 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-21 22:16:45,582 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-21 22:16:45,587 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-21 22:16:45,591 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-21 22:16:45,595 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-21 22:16:45,605 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-21 22:16:45,609 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-21 22:16:45,614 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-21 22:16:45,617 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-21 22:16:45,622 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-21 22:16:45,625 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-21 22:16:45,629 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-21 22:16:45,632 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-21 22:16:45,635 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-21 22:16:45,639 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-21 22:16:46,928 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-11-21 22:16:46,933 INFO L490 LassoAnalysis]: Using template 'affine'. [2023-11-21 22:16:46,935 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-21 22:16:46,935 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ada46b5a-edbe-4b72-80c8-c53e6d76d55d/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 22:16:46,937 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ada46b5a-edbe-4b72-80c8-c53e6d76d55d/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-21 22:16:46,948 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 [2023-11-21 22:16:46,952 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ada46b5a-edbe-4b72-80c8-c53e6d76d55d/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2023-11-21 22:16:46,960 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-21 22:16:46,961 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-21 22:16:46,961 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-21 22:16:46,962 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-21 22:16:46,962 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-21 22:16:46,964 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-21 22:16:46,964 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-21 22:16:46,975 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-21 22:16:47,002 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ada46b5a-edbe-4b72-80c8-c53e6d76d55d/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Forceful destruction successful, exit code 0 [2023-11-21 22:16:47,003 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-21 22:16:47,003 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ada46b5a-edbe-4b72-80c8-c53e6d76d55d/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 22:16:47,005 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ada46b5a-edbe-4b72-80c8-c53e6d76d55d/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-21 22:16:47,014 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-21 22:16:47,031 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ada46b5a-edbe-4b72-80c8-c53e6d76d55d/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2023-11-21 22:16:47,031 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-21 22:16:47,031 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-21 22:16:47,032 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-21 22:16:47,032 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-21 22:16:47,032 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-21 22:16:47,033 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-21 22:16:47,033 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-21 22:16:47,047 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-21 22:16:47,066 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ada46b5a-edbe-4b72-80c8-c53e6d76d55d/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Forceful destruction successful, exit code 0 [2023-11-21 22:16:47,067 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-21 22:16:47,067 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ada46b5a-edbe-4b72-80c8-c53e6d76d55d/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 22:16:47,069 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ada46b5a-edbe-4b72-80c8-c53e6d76d55d/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-21 22:16:47,078 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ada46b5a-edbe-4b72-80c8-c53e6d76d55d/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2023-11-21 22:16:47,079 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 [2023-11-21 22:16:47,092 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-21 22:16:47,092 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-21 22:16:47,093 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-21 22:16:47,093 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-21 22:16:47,093 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-21 22:16:47,094 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-21 22:16:47,094 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-21 22:16:47,104 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-21 22:16:47,128 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ada46b5a-edbe-4b72-80c8-c53e6d76d55d/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Forceful destruction successful, exit code 0 [2023-11-21 22:16:47,128 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-21 22:16:47,128 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ada46b5a-edbe-4b72-80c8-c53e6d76d55d/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 22:16:47,130 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ada46b5a-edbe-4b72-80c8-c53e6d76d55d/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-21 22:16:47,136 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 [2023-11-21 22:16:47,148 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ada46b5a-edbe-4b72-80c8-c53e6d76d55d/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2023-11-21 22:16:47,149 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-21 22:16:47,149 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-21 22:16:47,149 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-21 22:16:47,149 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-21 22:16:47,150 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-21 22:16:47,150 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-21 22:16:47,151 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-21 22:16:47,152 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-21 22:16:47,165 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ada46b5a-edbe-4b72-80c8-c53e6d76d55d/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Forceful destruction successful, exit code 0 [2023-11-21 22:16:47,165 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-21 22:16:47,166 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ada46b5a-edbe-4b72-80c8-c53e6d76d55d/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 22:16:47,167 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ada46b5a-edbe-4b72-80c8-c53e6d76d55d/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-21 22:16:47,169 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ada46b5a-edbe-4b72-80c8-c53e6d76d55d/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2023-11-21 22:16:47,171 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 [2023-11-21 22:16:47,182 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-21 22:16:47,182 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-21 22:16:47,182 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-21 22:16:47,183 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-21 22:16:47,188 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-21 22:16:47,189 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-21 22:16:47,198 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-21 22:16:47,223 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ada46b5a-edbe-4b72-80c8-c53e6d76d55d/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Forceful destruction successful, exit code 0 [2023-11-21 22:16:47,224 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-21 22:16:47,224 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ada46b5a-edbe-4b72-80c8-c53e6d76d55d/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 22:16:47,225 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ada46b5a-edbe-4b72-80c8-c53e6d76d55d/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-21 22:16:47,232 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-21 22:16:47,245 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-21 22:16:47,245 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-21 22:16:47,246 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-21 22:16:47,246 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-21 22:16:47,246 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-21 22:16:47,248 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-21 22:16:47,248 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-21 22:16:47,249 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ada46b5a-edbe-4b72-80c8-c53e6d76d55d/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2023-11-21 22:16:47,251 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-21 22:16:47,273 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ada46b5a-edbe-4b72-80c8-c53e6d76d55d/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Forceful destruction successful, exit code 0 [2023-11-21 22:16:47,275 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-21 22:16:47,275 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ada46b5a-edbe-4b72-80c8-c53e6d76d55d/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 22:16:47,277 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ada46b5a-edbe-4b72-80c8-c53e6d76d55d/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-21 22:16:47,289 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 [2023-11-21 22:16:47,302 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ada46b5a-edbe-4b72-80c8-c53e6d76d55d/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2023-11-21 22:16:47,303 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-21 22:16:47,303 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-21 22:16:47,303 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-21 22:16:47,303 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-21 22:16:47,303 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-21 22:16:47,304 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-21 22:16:47,305 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-21 22:16:47,319 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-21 22:16:47,343 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ada46b5a-edbe-4b72-80c8-c53e6d76d55d/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Forceful destruction successful, exit code 0 [2023-11-21 22:16:47,344 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-21 22:16:47,344 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ada46b5a-edbe-4b72-80c8-c53e6d76d55d/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 22:16:47,346 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ada46b5a-edbe-4b72-80c8-c53e6d76d55d/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-21 22:16:47,357 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 [2023-11-21 22:16:47,357 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ada46b5a-edbe-4b72-80c8-c53e6d76d55d/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2023-11-21 22:16:47,370 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-21 22:16:47,371 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-21 22:16:47,371 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-21 22:16:47,371 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-21 22:16:47,377 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-21 22:16:47,377 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-21 22:16:47,399 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-21 22:16:47,419 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ada46b5a-edbe-4b72-80c8-c53e6d76d55d/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Forceful destruction successful, exit code 0 [2023-11-21 22:16:47,419 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-21 22:16:47,419 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ada46b5a-edbe-4b72-80c8-c53e6d76d55d/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 22:16:47,420 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ada46b5a-edbe-4b72-80c8-c53e6d76d55d/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-21 22:16:47,423 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ada46b5a-edbe-4b72-80c8-c53e6d76d55d/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Waiting until timeout for monitored process [2023-11-21 22:16:47,424 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 [2023-11-21 22:16:47,436 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-21 22:16:47,436 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-21 22:16:47,436 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-21 22:16:47,436 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-21 22:16:47,437 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-21 22:16:47,437 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-21 22:16:47,437 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-21 22:16:47,451 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-21 22:16:47,470 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ada46b5a-edbe-4b72-80c8-c53e6d76d55d/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Forceful destruction successful, exit code 0 [2023-11-21 22:16:47,470 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-21 22:16:47,470 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ada46b5a-edbe-4b72-80c8-c53e6d76d55d/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 22:16:47,471 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ada46b5a-edbe-4b72-80c8-c53e6d76d55d/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-21 22:16:47,476 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ada46b5a-edbe-4b72-80c8-c53e6d76d55d/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Waiting until timeout for monitored process [2023-11-21 22:16:47,477 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 [2023-11-21 22:16:47,487 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-21 22:16:47,487 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-21 22:16:47,487 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-21 22:16:47,487 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-21 22:16:47,488 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-21 22:16:47,490 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-21 22:16:47,490 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-21 22:16:47,499 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-21 22:16:47,511 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ada46b5a-edbe-4b72-80c8-c53e6d76d55d/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Forceful destruction successful, exit code 0 [2023-11-21 22:16:47,512 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-21 22:16:47,512 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ada46b5a-edbe-4b72-80c8-c53e6d76d55d/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 22:16:47,513 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ada46b5a-edbe-4b72-80c8-c53e6d76d55d/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-21 22:16:47,514 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ada46b5a-edbe-4b72-80c8-c53e6d76d55d/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Waiting until timeout for monitored process [2023-11-21 22:16:47,515 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 [2023-11-21 22:16:47,524 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-21 22:16:47,525 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-21 22:16:47,525 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-21 22:16:47,525 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-21 22:16:47,525 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-21 22:16:47,526 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-21 22:16:47,526 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-21 22:16:47,551 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-21 22:16:47,569 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ada46b5a-edbe-4b72-80c8-c53e6d76d55d/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Forceful destruction successful, exit code 0 [2023-11-21 22:16:47,570 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-21 22:16:47,570 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ada46b5a-edbe-4b72-80c8-c53e6d76d55d/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 22:16:47,571 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ada46b5a-edbe-4b72-80c8-c53e6d76d55d/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-21 22:16:47,575 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ada46b5a-edbe-4b72-80c8-c53e6d76d55d/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Waiting until timeout for monitored process [2023-11-21 22:16:47,576 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 [2023-11-21 22:16:47,588 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-21 22:16:47,589 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-21 22:16:47,589 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-21 22:16:47,589 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-21 22:16:47,589 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-21 22:16:47,590 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-21 22:16:47,590 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-21 22:16:47,599 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-21 22:16:47,623 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ada46b5a-edbe-4b72-80c8-c53e6d76d55d/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Forceful destruction successful, exit code 0 [2023-11-21 22:16:47,624 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-21 22:16:47,624 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ada46b5a-edbe-4b72-80c8-c53e6d76d55d/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 22:16:47,625 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ada46b5a-edbe-4b72-80c8-c53e6d76d55d/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-21 22:16:47,628 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 [2023-11-21 22:16:47,642 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ada46b5a-edbe-4b72-80c8-c53e6d76d55d/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Waiting until timeout for monitored process [2023-11-21 22:16:47,643 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-21 22:16:47,643 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-21 22:16:47,643 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-21 22:16:47,643 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-21 22:16:47,646 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-21 22:16:47,647 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-21 22:16:47,658 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-21 22:16:47,677 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ada46b5a-edbe-4b72-80c8-c53e6d76d55d/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Forceful destruction successful, exit code 0 [2023-11-21 22:16:47,678 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-21 22:16:47,678 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ada46b5a-edbe-4b72-80c8-c53e6d76d55d/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 22:16:47,682 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ada46b5a-edbe-4b72-80c8-c53e6d76d55d/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-21 22:16:47,684 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ada46b5a-edbe-4b72-80c8-c53e6d76d55d/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Waiting until timeout for monitored process [2023-11-21 22:16:47,685 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 [2023-11-21 22:16:47,697 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-21 22:16:47,698 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-21 22:16:47,698 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-21 22:16:47,698 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-21 22:16:47,698 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-21 22:16:47,699 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-21 22:16:47,699 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-21 22:16:47,708 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-21 22:16:47,731 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ada46b5a-edbe-4b72-80c8-c53e6d76d55d/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Forceful destruction successful, exit code 0 [2023-11-21 22:16:47,731 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-21 22:16:47,731 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ada46b5a-edbe-4b72-80c8-c53e6d76d55d/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 22:16:47,733 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ada46b5a-edbe-4b72-80c8-c53e6d76d55d/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-21 22:16:47,735 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ada46b5a-edbe-4b72-80c8-c53e6d76d55d/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Waiting until timeout for monitored process [2023-11-21 22:16:47,736 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 [2023-11-21 22:16:47,747 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-21 22:16:47,747 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-21 22:16:47,748 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-21 22:16:47,748 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-21 22:16:47,762 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-21 22:16:47,762 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-21 22:16:47,780 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2023-11-21 22:16:47,812 INFO L443 ModelExtractionUtils]: Simplification made 10 calls to the SMT solver. [2023-11-21 22:16:47,812 INFO L444 ModelExtractionUtils]: 13 out of 22 variables were initially zero. Simplification set additionally 6 variables to zero. [2023-11-21 22:16:47,814 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-21 22:16:47,814 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ada46b5a-edbe-4b72-80c8-c53e6d76d55d/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 22:16:47,839 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ada46b5a-edbe-4b72-80c8-c53e6d76d55d/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-21 22:16:47,844 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ada46b5a-edbe-4b72-80c8-c53e6d76d55d/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Waiting until timeout for monitored process [2023-11-21 22:16:47,844 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2023-11-21 22:16:47,880 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2023-11-21 22:16:47,880 INFO L513 LassoAnalysis]: Proved termination. [2023-11-21 22:16:47,881 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_strrchr_~t#1.offset, v_rep(select #length ULTIMATE.start_strrchr_~t#1.base)_1) = -1*ULTIMATE.start_strrchr_~t#1.offset + 1*v_rep(select #length ULTIMATE.start_strrchr_~t#1.base)_1 Supporting invariants [] [2023-11-21 22:16:47,906 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ada46b5a-edbe-4b72-80c8-c53e6d76d55d/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Forceful destruction successful, exit code 0 [2023-11-21 22:16:47,933 INFO L156 tatePredicateManager]: 5 out of 5 supporting invariants were superfluous and have been removed [2023-11-21 22:16:47,942 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #length[~t!base] could not be translated [2023-11-21 22:16:47,945 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: Expression ~t!offset has a CASTFunctionDefinition but is no IdentifierExpression: IdentifierExpression [2023-11-21 22:16:47,964 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 22:16:48,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:16:48,009 INFO L262 TraceCheckSpWp]: Trace formula consists of 49 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 22:16:48,012 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 22:16:48,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:16:48,038 INFO L262 TraceCheckSpWp]: Trace formula consists of 25 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-21 22:16:48,039 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 22:16:48,090 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 22:16:48,145 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 [2023-11-21 22:16:48,147 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand has 12 states, 11 states have (on average 1.4545454545454546) internal successors, (16), 11 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 2.3333333333333335) internal successors, (7), 3 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 22:16:48,227 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand has 12 states, 11 states have (on average 1.4545454545454546) internal successors, (16), 11 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 2.3333333333333335) internal successors, (7), 3 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 24 states and 30 transitions. Complement of second has 6 states. [2023-11-21 22:16:48,230 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 [2023-11-21 22:16:48,238 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 3 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 22:16:48,239 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 18 transitions. [2023-11-21 22:16:48,241 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 18 transitions. Stem has 3 letters. Loop has 4 letters. [2023-11-21 22:16:48,242 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-21 22:16:48,242 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 18 transitions. Stem has 7 letters. Loop has 4 letters. [2023-11-21 22:16:48,243 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-21 22:16:48,243 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 18 transitions. Stem has 3 letters. Loop has 8 letters. [2023-11-21 22:16:48,244 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-21 22:16:48,245 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 24 states and 30 transitions. [2023-11-21 22:16:48,250 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2023-11-21 22:16:48,253 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 24 states to 0 states and 0 transitions. [2023-11-21 22:16:48,254 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2023-11-21 22:16:48,254 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2023-11-21 22:16:48,255 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2023-11-21 22:16:48,255 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-21 22:16:48,255 INFO L218 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-11-21 22:16:48,255 INFO L240 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-11-21 22:16:48,255 INFO L428 stractBuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-11-21 22:16:48,256 INFO L335 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2023-11-21 22:16:48,256 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2023-11-21 22:16:48,256 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2023-11-21 22:16:48,256 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2023-11-21 22:16:48,265 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 21.11 10:16:48 BoogieIcfgContainer [2023-11-21 22:16:48,265 INFO L131 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2023-11-21 22:16:48,266 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-21 22:16:48,266 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-21 22:16:48,266 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-21 22:16:48,267 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 10:16:44" (3/4) ... [2023-11-21 22:16:48,269 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-21 22:16:48,271 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-21 22:16:48,272 INFO L158 Benchmark]: Toolchain (without parser) took 5091.46ms. Allocated memory was 159.4MB in the beginning and 207.6MB in the end (delta: 48.2MB). Free memory was 109.8MB in the beginning and 92.9MB in the end (delta: 16.9MB). Peak memory consumption was 68.0MB. Max. memory is 16.1GB. [2023-11-21 22:16:48,272 INFO L158 Benchmark]: CDTParser took 0.40ms. Allocated memory is still 159.4MB. Free memory is still 124.2MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-21 22:16:48,273 INFO L158 Benchmark]: CACSL2BoogieTranslator took 494.22ms. Allocated memory is still 159.4MB. Free memory was 109.5MB in the beginning and 93.5MB in the end (delta: 16.0MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2023-11-21 22:16:48,274 INFO L158 Benchmark]: Boogie Procedure Inliner took 55.28ms. Allocated memory is still 159.4MB. Free memory was 93.5MB in the beginning and 91.9MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-21 22:16:48,274 INFO L158 Benchmark]: Boogie Preprocessor took 52.40ms. Allocated memory is still 159.4MB. Free memory was 91.9MB in the beginning and 89.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-21 22:16:48,275 INFO L158 Benchmark]: RCFGBuilder took 395.02ms. Allocated memory is still 159.4MB. Free memory was 89.8MB in the beginning and 78.8MB in the end (delta: 10.9MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-11-21 22:16:48,276 INFO L158 Benchmark]: BuchiAutomizer took 4082.27ms. Allocated memory was 159.4MB in the beginning and 207.6MB in the end (delta: 48.2MB). Free memory was 78.8MB in the beginning and 92.9MB in the end (delta: -14.1MB). Peak memory consumption was 36.6MB. Max. memory is 16.1GB. [2023-11-21 22:16:48,276 INFO L158 Benchmark]: Witness Printer took 4.88ms. Allocated memory is still 207.6MB. Free memory is still 92.9MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-21 22:16:48,279 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.40ms. Allocated memory is still 159.4MB. Free memory is still 124.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 494.22ms. Allocated memory is still 159.4MB. Free memory was 109.5MB in the beginning and 93.5MB in the end (delta: 16.0MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 55.28ms. Allocated memory is still 159.4MB. Free memory was 93.5MB in the beginning and 91.9MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 52.40ms. Allocated memory is still 159.4MB. Free memory was 91.9MB in the beginning and 89.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 395.02ms. Allocated memory is still 159.4MB. Free memory was 89.8MB in the beginning and 78.8MB in the end (delta: 10.9MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * BuchiAutomizer took 4082.27ms. Allocated memory was 159.4MB in the beginning and 207.6MB in the end (delta: 48.2MB). Free memory was 78.8MB in the beginning and 92.9MB in the end (delta: -14.1MB). Peak memory consumption was 36.6MB. Max. memory is 16.1GB. * Witness Printer took 4.88ms. Allocated memory is still 207.6MB. Free memory is still 92.9MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #length[~t!base] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Expression ~t!offset has a CASTFunctionDefinition but is no IdentifierExpression: IdentifierExpression * 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 4.0s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 3.6s. 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, 10 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 9 mSDsluCounter, 11 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 2 mSDsCounter, 2 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 10 IncrementalHoareTripleChecker+Invalid, 12 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 2 mSolverCounterUnsat, 9 mSDtfsCounter, 10 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso1 LassoPreprocessingBenchmarks: Lassos: inital157 mio100 ax100 hnf100 lsp108 ukn84 mio100 lsp35 div167 bol100 ite100 ukn100 eq166 hnf91 smp68 dnf217 smp52 tf100 neg100 sie107 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 33ms VariablesStem: 1 VariablesLoop: 0 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! [2023-11-21 22:16:48,324 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ada46b5a-edbe-4b72-80c8-c53e6d76d55d/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Forceful destruction successful, exit code 0 [2023-11-21 22:16:48,567 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ada46b5a-edbe-4b72-80c8-c53e6d76d55d/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE