./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/termination-memory-alloca/b.09_assume-alloca.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 527bcce2 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_57694c31-0d81-4c5e-8855-71c3b2a7cd3d/bin/uautomizer-verify-bycVGegfSx/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57694c31-0d81-4c5e-8855-71c3b2a7cd3d/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_57694c31-0d81-4c5e-8855-71c3b2a7cd3d/bin/uautomizer-verify-bycVGegfSx/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57694c31-0d81-4c5e-8855-71c3b2a7cd3d/bin/uautomizer-verify-bycVGegfSx/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/termination-memory-alloca/b.09_assume-alloca.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57694c31-0d81-4c5e-8855-71c3b2a7cd3d/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_57694c31-0d81-4c5e-8855-71c3b2a7cd3d/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 4cca1c0210c0a53cd372224714db019427e8e227743584713b4610995b14f457 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-527bcce [2023-11-21 22:24:48,238 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-21 22:24:48,365 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57694c31-0d81-4c5e-8855-71c3b2a7cd3d/bin/uautomizer-verify-bycVGegfSx/config/svcomp-Termination-64bit-Automizer_Default.epf [2023-11-21 22:24:48,372 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-21 22:24:48,372 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-21 22:24:48,417 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-21 22:24:48,418 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-21 22:24:48,419 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-21 22:24:48,420 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-11-21 22:24:48,425 INFO L153 SettingsManager]: * Use memory slicer=true [2023-11-21 22:24:48,426 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-21 22:24:48,426 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-21 22:24:48,426 INFO L153 SettingsManager]: * Use SBE=true [2023-11-21 22:24:48,429 INFO L151 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2023-11-21 22:24:48,429 INFO L153 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2023-11-21 22:24:48,430 INFO L153 SettingsManager]: * Use old map elimination=false [2023-11-21 22:24:48,430 INFO L153 SettingsManager]: * Use external solver (rank synthesis)=false [2023-11-21 22:24:48,430 INFO L153 SettingsManager]: * Use only trivial implications for array writes=true [2023-11-21 22:24:48,431 INFO L153 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2023-11-21 22:24:48,431 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-21 22:24:48,433 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2023-11-21 22:24:48,434 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-21 22:24:48,434 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-21 22:24:48,435 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2023-11-21 22:24:48,435 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2023-11-21 22:24:48,435 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2023-11-21 22:24:48,436 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-21 22:24:48,436 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-21 22:24:48,437 INFO L153 SettingsManager]: * Assume nondeterminstic values are in range=false [2023-11-21 22:24:48,437 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-21 22:24:48,439 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-21 22:24:48,439 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-21 22:24:48,439 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-21 22:24:48,439 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-21 22:24:48,440 INFO L151 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2023-11-21 22:24:48,440 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_57694c31-0d81-4c5e-8855-71c3b2a7cd3d/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57694c31-0d81-4c5e-8855-71c3b2a7cd3d/bin/uautomizer-verify-bycVGegfSx Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4cca1c0210c0a53cd372224714db019427e8e227743584713b4610995b14f457 [2023-11-21 22:24:48,700 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-21 22:24:48,737 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-21 22:24:48,740 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-21 22:24:48,742 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-21 22:24:48,742 INFO L274 PluginConnector]: CDTParser initialized [2023-11-21 22:24:48,744 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57694c31-0d81-4c5e-8855-71c3b2a7cd3d/bin/uautomizer-verify-bycVGegfSx/../../sv-benchmarks/c/termination-memory-alloca/b.09_assume-alloca.i [2023-11-21 22:24:51,857 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-21 22:24:52,265 INFO L384 CDTParser]: Found 1 translation units. [2023-11-21 22:24:52,266 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57694c31-0d81-4c5e-8855-71c3b2a7cd3d/sv-benchmarks/c/termination-memory-alloca/b.09_assume-alloca.i [2023-11-21 22:24:52,285 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57694c31-0d81-4c5e-8855-71c3b2a7cd3d/bin/uautomizer-verify-bycVGegfSx/data/9570fe0e9/b554e7198200475584f2871a66723814/FLAGcce11f849 [2023-11-21 22:24:52,307 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57694c31-0d81-4c5e-8855-71c3b2a7cd3d/bin/uautomizer-verify-bycVGegfSx/data/9570fe0e9/b554e7198200475584f2871a66723814 [2023-11-21 22:24:52,313 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-21 22:24:52,314 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-21 22:24:52,316 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-21 22:24:52,316 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-21 22:24:52,322 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-21 22:24:52,323 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 10:24:52" (1/1) ... [2023-11-21 22:24:52,324 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@f3b3d9d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:24:52, skipping insertion in model container [2023-11-21 22:24:52,324 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 10:24:52" (1/1) ... [2023-11-21 22:24:52,379 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-21 22:24:52,730 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 22:24:52,753 INFO L202 MainTranslator]: Completed pre-run [2023-11-21 22:24:52,826 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 22:24:52,862 INFO L206 MainTranslator]: Completed translation [2023-11-21 22:24:52,863 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:24:52 WrapperNode [2023-11-21 22:24:52,863 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-21 22:24:52,864 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-21 22:24:52,864 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-21 22:24:52,866 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-21 22:24:52,873 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:24:52" (1/1) ... [2023-11-21 22:24:52,899 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:24:52" (1/1) ... [2023-11-21 22:24:52,935 INFO L138 Inliner]: procedures = 111, calls = 35, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 96 [2023-11-21 22:24:52,935 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-21 22:24:52,937 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-21 22:24:52,937 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-21 22:24:52,938 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-21 22:24:52,950 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:24:52" (1/1) ... [2023-11-21 22:24:52,951 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:24:52" (1/1) ... [2023-11-21 22:24:52,966 INFO L184 PluginConnector]: Executing the observer HeapSplitter from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:24:52" (1/1) ... [2023-11-21 22:24:52,985 INFO L187 HeapSplitter]: Split 17 memory accesses to 3 slices as follows [4, 4, 9] [2023-11-21 22:24:52,992 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:24:52" (1/1) ... [2023-11-21 22:24:52,992 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:24:52" (1/1) ... [2023-11-21 22:24:52,998 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:24:52" (1/1) ... [2023-11-21 22:24:53,012 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:24:52" (1/1) ... [2023-11-21 22:24:53,014 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:24:52" (1/1) ... [2023-11-21 22:24:53,016 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:24:52" (1/1) ... [2023-11-21 22:24:53,019 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-21 22:24:53,024 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-21 22:24:53,024 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-21 22:24:53,024 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-21 22:24:53,025 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:24:52" (1/1) ... [2023-11-21 22:24:53,032 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-21 22:24:53,045 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57694c31-0d81-4c5e-8855-71c3b2a7cd3d/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 22:24:53,059 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57694c31-0d81-4c5e-8855-71c3b2a7cd3d/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-21 22:24:53,076 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57694c31-0d81-4c5e-8855-71c3b2a7cd3d/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2023-11-21 22:24:53,110 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2023-11-21 22:24:53,111 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2023-11-21 22:24:53,112 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2023-11-21 22:24:53,112 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2023-11-21 22:24:53,112 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2023-11-21 22:24:53,113 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2023-11-21 22:24:53,113 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-21 22:24:53,113 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-21 22:24:53,113 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-21 22:24:53,114 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-21 22:24:53,229 INFO L240 CfgBuilder]: Building ICFG [2023-11-21 22:24:53,231 INFO L266 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-21 22:24:53,431 INFO L281 CfgBuilder]: Performing block encoding [2023-11-21 22:24:53,440 INFO L303 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-21 22:24:53,452 INFO L308 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-21 22:24:53,454 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 10:24:53 BoogieIcfgContainer [2023-11-21 22:24:53,454 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-21 22:24:53,455 INFO L112 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2023-11-21 22:24:53,456 INFO L270 PluginConnector]: Initializing BuchiAutomizer... [2023-11-21 22:24:53,459 INFO L274 PluginConnector]: BuchiAutomizer initialized [2023-11-21 22:24:53,462 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2023-11-21 22:24:53,462 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 21.11 10:24:52" (1/3) ... [2023-11-21 22:24:53,463 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@9181179 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 21.11 10:24:53, skipping insertion in model container [2023-11-21 22:24:53,463 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2023-11-21 22:24:53,463 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:24:52" (2/3) ... [2023-11-21 22:24:53,464 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@9181179 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 21.11 10:24:53, skipping insertion in model container [2023-11-21 22:24:53,466 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2023-11-21 22:24:53,466 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 10:24:53" (3/3) ... [2023-11-21 22:24:53,468 INFO L332 chiAutomizerObserver]: Analyzing ICFG b.09_assume-alloca.i [2023-11-21 22:24:53,519 INFO L303 stractBuchiCegarLoop]: Interprodecural is true [2023-11-21 22:24:53,519 INFO L304 stractBuchiCegarLoop]: Hoare is false [2023-11-21 22:24:53,519 INFO L305 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2023-11-21 22:24:53,520 INFO L306 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2023-11-21 22:24:53,520 INFO L307 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2023-11-21 22:24:53,520 INFO L308 stractBuchiCegarLoop]: Difference is false [2023-11-21 22:24:53,520 INFO L309 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2023-11-21 22:24:53,520 INFO L313 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2023-11-21 22:24:53,525 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 14 states, 13 states have (on average 1.4615384615384615) internal successors, (19), 13 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 22:24:53,543 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2023-11-21 22:24:53,544 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-21 22:24:53,544 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-21 22:24:53,549 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2023-11-21 22:24:53,549 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2023-11-21 22:24:53,550 INFO L335 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2023-11-21 22:24:53,550 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 14 states, 13 states have (on average 1.4615384615384615) internal successors, (19), 13 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 22:24:53,551 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2023-11-21 22:24:53,552 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-21 22:24:53,552 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-21 22:24:53,552 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2023-11-21 22:24:53,552 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2023-11-21 22:24:53,561 INFO L748 eck$LassoCheckResult]: Stem: 11#$Ultimate##0true assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 6#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet17#1, main_#t~nondet18#1, main_#t~ret19#1;havoc main_#t~nondet17#1;havoc main_#t~nondet18#1;assume { :begin_inline_test_fun } true;test_fun_#in~x#1, test_fun_#in~y#1 := main_#t~nondet17#1, main_#t~nondet18#1;havoc test_fun_#res#1;havoc test_fun_#t~malloc2#1.base, test_fun_#t~malloc2#1.offset, test_fun_#t~malloc3#1.base, test_fun_#t~malloc3#1.offset, test_fun_#t~malloc4#1.base, test_fun_#t~malloc4#1.offset, test_fun_#t~mem5#1, test_fun_#t~mem6#1, test_fun_#t~short7#1, test_fun_#t~mem9#1, test_fun_#t~mem10#1, test_fun_#t~mem11#1, test_fun_#t~mem12#1, test_fun_#t~mem13#1, test_fun_#t~mem14#1, test_fun_#t~mem15#1, test_fun_#t~mem8#1, test_fun_#t~mem16#1, test_fun_~x#1, test_fun_~y#1, test_fun_~x_ref~0#1.base, test_fun_~x_ref~0#1.offset, test_fun_~y_ref~0#1.base, test_fun_~y_ref~0#1.offset, test_fun_~c~0#1.base, test_fun_~c~0#1.offset;test_fun_~x#1 := test_fun_#in~x#1;test_fun_~y#1 := test_fun_#in~y#1;call test_fun_#t~malloc2#1.base, test_fun_#t~malloc2#1.offset := #Ultimate.allocOnStack(4);test_fun_~x_ref~0#1.base, test_fun_~x_ref~0#1.offset := test_fun_#t~malloc2#1.base, test_fun_#t~malloc2#1.offset;call test_fun_#t~malloc3#1.base, test_fun_#t~malloc3#1.offset := #Ultimate.allocOnStack(4);test_fun_~y_ref~0#1.base, test_fun_~y_ref~0#1.offset := test_fun_#t~malloc3#1.base, test_fun_#t~malloc3#1.offset;call test_fun_#t~malloc4#1.base, test_fun_#t~malloc4#1.offset := #Ultimate.allocOnStack(4);test_fun_~c~0#1.base, test_fun_~c~0#1.offset := test_fun_#t~malloc4#1.base, test_fun_#t~malloc4#1.offset;call write~int#2(test_fun_~x#1, test_fun_~x_ref~0#1.base, test_fun_~x_ref~0#1.offset, 4);call write~int#1(test_fun_~y#1, test_fun_~y_ref~0#1.base, test_fun_~y_ref~0#1.offset, 4);call write~int#0(0, test_fun_~c~0#1.base, test_fun_~c~0#1.offset, 4);call test_fun_#t~mem5#1 := read~int#2(test_fun_~x_ref~0#1.base, test_fun_~x_ref~0#1.offset, 4);test_fun_#t~short7#1 := test_fun_#t~mem5#1 <= 0; 8#L555true assume !test_fun_#t~short7#1;call test_fun_#t~mem6#1 := read~int#1(test_fun_~y_ref~0#1.base, test_fun_~y_ref~0#1.offset, 4);test_fun_#t~short7#1 := test_fun_#t~mem6#1 <= 0; 4#L555-2true assume !test_fun_#t~short7#1;havoc test_fun_#t~mem5#1;havoc test_fun_#t~mem6#1;havoc test_fun_#t~short7#1; 3#L558-3true [2023-11-21 22:24:53,561 INFO L750 eck$LassoCheckResult]: Loop: 3#L558-3true call test_fun_#t~mem8#1 := read~int#2(test_fun_~x_ref~0#1.base, test_fun_~x_ref~0#1.offset, 4); 5#L558-1true assume !!!(0 == test_fun_#t~mem8#1);havoc test_fun_#t~mem8#1;call test_fun_#t~mem9#1 := read~int#2(test_fun_~x_ref~0#1.base, test_fun_~x_ref~0#1.offset, 4);call test_fun_#t~mem10#1 := read~int#1(test_fun_~y_ref~0#1.base, test_fun_~y_ref~0#1.offset, 4); 10#L559true assume test_fun_#t~mem9#1 > test_fun_#t~mem10#1;havoc test_fun_#t~mem9#1;havoc test_fun_#t~mem10#1;call test_fun_#t~mem11#1 := read~int#1(test_fun_~y_ref~0#1.base, test_fun_~y_ref~0#1.offset, 4);call write~int#2(test_fun_#t~mem11#1, test_fun_~x_ref~0#1.base, test_fun_~x_ref~0#1.offset, 4);havoc test_fun_#t~mem11#1; 12#L559-2true call test_fun_#t~mem15#1 := read~int#0(test_fun_~c~0#1.base, test_fun_~c~0#1.offset, 4);call write~int#0(1 + test_fun_#t~mem15#1, test_fun_~c~0#1.base, test_fun_~c~0#1.offset, 4);havoc test_fun_#t~mem15#1; 3#L558-3true [2023-11-21 22:24:53,567 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 22:24:53,567 INFO L85 PathProgramCache]: Analyzing trace with hash 925673, now seen corresponding path program 1 times [2023-11-21 22:24:53,577 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-21 22:24:53,577 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1819480241] [2023-11-21 22:24:53,578 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 22:24:53,578 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 22:24:53,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-21 22:24:53,762 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-21 22:24:53,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-21 22:24:53,825 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-21 22:24:53,828 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 22:24:53,829 INFO L85 PathProgramCache]: Analyzing trace with hash 1482703, now seen corresponding path program 1 times [2023-11-21 22:24:53,829 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-21 22:24:53,829 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [26412306] [2023-11-21 22:24:53,829 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 22:24:53,830 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 22:24:53,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-21 22:24:53,846 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-21 22:24:53,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-21 22:24:53,859 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-21 22:24:53,860 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 22:24:53,861 INFO L85 PathProgramCache]: Analyzing trace with hash 180521911, now seen corresponding path program 1 times [2023-11-21 22:24:53,861 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-21 22:24:53,861 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [710060969] [2023-11-21 22:24:53,861 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 22:24:53,862 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 22:24:53,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-21 22:24:53,944 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-21 22:24:53,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-21 22:24:54,000 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-21 22:24:55,337 INFO L210 LassoAnalysis]: Preferences: [2023-11-21 22:24:55,338 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-11-21 22:24:55,338 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-11-21 22:24:55,339 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-11-21 22:24:55,339 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2023-11-21 22:24:55,339 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-21 22:24:55,339 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-11-21 22:24:55,339 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-11-21 22:24:55,339 INFO L133 ssoRankerPreferences]: Filename of dumped script: b.09_assume-alloca.i_Iteration1_Lasso [2023-11-21 22:24:55,340 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-11-21 22:24:55,340 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-11-21 22:24:55,362 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 22:24:56,141 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 22:24:56,144 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 22:24:56,147 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 22:24:56,150 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 22:24:56,153 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 22:24:56,157 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 22:24:56,161 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 22:24:56,164 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 22:24:56,167 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 22:24:56,170 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 22:24:56,173 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 22:24:56,177 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 22:24:56,180 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 22:24:56,183 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 22:24:56,187 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 22:24:56,190 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 22:24:56,193 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 22:24:56,197 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 22:24:56,201 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 22:24:56,204 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 22:24:56,731 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-11-21 22:24:56,736 INFO L490 LassoAnalysis]: Using template 'affine'. [2023-11-21 22:24:56,738 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-21 22:24:56,738 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57694c31-0d81-4c5e-8855-71c3b2a7cd3d/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 22:24:56,744 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57694c31-0d81-4c5e-8855-71c3b2a7cd3d/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-21 22:24:56,749 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 22:24:56,763 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57694c31-0d81-4c5e-8855-71c3b2a7cd3d/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2023-11-21 22:24:56,764 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-21 22:24:56,766 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-21 22:24:56,766 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-21 22:24:56,766 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-21 22:24:56,777 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-21 22:24:56,777 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-21 22:24:56,801 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-21 22:24:56,826 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57694c31-0d81-4c5e-8855-71c3b2a7cd3d/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Forceful destruction successful, exit code 0 [2023-11-21 22:24:56,826 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-21 22:24:56,827 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57694c31-0d81-4c5e-8855-71c3b2a7cd3d/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 22:24:56,828 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57694c31-0d81-4c5e-8855-71c3b2a7cd3d/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-21 22:24:56,838 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 22:24:56,851 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57694c31-0d81-4c5e-8855-71c3b2a7cd3d/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2023-11-21 22:24:56,852 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-21 22:24:56,852 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-21 22:24:56,852 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-21 22:24:56,852 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-21 22:24:56,870 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-21 22:24:56,870 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-21 22:24:56,885 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-21 22:24:56,908 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57694c31-0d81-4c5e-8855-71c3b2a7cd3d/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Ended with exit code 0 [2023-11-21 22:24:56,909 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-21 22:24:56,909 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57694c31-0d81-4c5e-8855-71c3b2a7cd3d/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 22:24:56,911 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57694c31-0d81-4c5e-8855-71c3b2a7cd3d/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-21 22:24:56,916 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57694c31-0d81-4c5e-8855-71c3b2a7cd3d/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2023-11-21 22:24:56,917 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 22:24:56,929 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-21 22:24:56,930 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-21 22:24:56,930 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-21 22:24:56,930 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-21 22:24:56,933 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-21 22:24:56,933 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-21 22:24:56,944 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-21 22:24:56,967 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57694c31-0d81-4c5e-8855-71c3b2a7cd3d/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Forceful destruction successful, exit code 0 [2023-11-21 22:24:56,968 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-21 22:24:56,968 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57694c31-0d81-4c5e-8855-71c3b2a7cd3d/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 22:24:56,970 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57694c31-0d81-4c5e-8855-71c3b2a7cd3d/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-21 22:24:56,976 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 22:24:56,988 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57694c31-0d81-4c5e-8855-71c3b2a7cd3d/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2023-11-21 22:24:56,990 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-21 22:24:56,990 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-21 22:24:56,990 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-21 22:24:56,990 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-21 22:24:57,003 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-21 22:24:57,003 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-21 22:24:57,017 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-21 22:24:57,041 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57694c31-0d81-4c5e-8855-71c3b2a7cd3d/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Forceful destruction successful, exit code 0 [2023-11-21 22:24:57,041 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-21 22:24:57,041 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57694c31-0d81-4c5e-8855-71c3b2a7cd3d/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 22:24:57,043 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57694c31-0d81-4c5e-8855-71c3b2a7cd3d/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-21 22:24:57,050 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 22:24:57,063 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-21 22:24:57,063 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-21 22:24:57,063 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-21 22:24:57,063 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-21 22:24:57,066 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57694c31-0d81-4c5e-8855-71c3b2a7cd3d/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2023-11-21 22:24:57,068 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-21 22:24:57,068 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-21 22:24:57,088 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-21 22:24:57,108 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57694c31-0d81-4c5e-8855-71c3b2a7cd3d/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Ended with exit code 0 [2023-11-21 22:24:57,108 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-21 22:24:57,109 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57694c31-0d81-4c5e-8855-71c3b2a7cd3d/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 22:24:57,111 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57694c31-0d81-4c5e-8855-71c3b2a7cd3d/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-21 22:24:57,122 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 22:24:57,134 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-21 22:24:57,135 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-21 22:24:57,135 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-21 22:24:57,135 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-21 22:24:57,140 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-21 22:24:57,141 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-21 22:24:57,142 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57694c31-0d81-4c5e-8855-71c3b2a7cd3d/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2023-11-21 22:24:57,172 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-21 22:24:57,195 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57694c31-0d81-4c5e-8855-71c3b2a7cd3d/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Forceful destruction successful, exit code 0 [2023-11-21 22:24:57,195 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-21 22:24:57,196 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57694c31-0d81-4c5e-8855-71c3b2a7cd3d/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 22:24:57,197 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57694c31-0d81-4c5e-8855-71c3b2a7cd3d/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-21 22:24:57,202 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57694c31-0d81-4c5e-8855-71c3b2a7cd3d/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2023-11-21 22:24:57,202 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-21 22:24:57,214 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-21 22:24:57,215 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-21 22:24:57,215 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-21 22:24:57,215 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-21 22:24:57,219 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-21 22:24:57,219 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-21 22:24:57,231 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-21 22:24:57,250 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57694c31-0d81-4c5e-8855-71c3b2a7cd3d/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Forceful destruction successful, exit code 0 [2023-11-21 22:24:57,250 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-21 22:24:57,250 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57694c31-0d81-4c5e-8855-71c3b2a7cd3d/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 22:24:57,252 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57694c31-0d81-4c5e-8855-71c3b2a7cd3d/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-21 22:24:57,257 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 22:24:57,263 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57694c31-0d81-4c5e-8855-71c3b2a7cd3d/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2023-11-21 22:24:57,269 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-21 22:24:57,269 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-21 22:24:57,269 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2023-11-21 22:24:57,270 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-21 22:24:57,290 INFO L401 nArgumentSynthesizer]: We have 16 Motzkin's Theorem applications. [2023-11-21 22:24:57,290 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2023-11-21 22:24:57,328 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2023-11-21 22:24:57,436 INFO L443 ModelExtractionUtils]: Simplification made 21 calls to the SMT solver. [2023-11-21 22:24:57,437 INFO L444 ModelExtractionUtils]: 17 out of 46 variables were initially zero. Simplification set additionally 26 variables to zero. [2023-11-21 22:24:57,438 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-21 22:24:57,439 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57694c31-0d81-4c5e-8855-71c3b2a7cd3d/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 22:24:57,469 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57694c31-0d81-4c5e-8855-71c3b2a7cd3d/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-21 22:24:57,476 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2023-11-21 22:24:57,477 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57694c31-0d81-4c5e-8855-71c3b2a7cd3d/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Waiting until timeout for monitored process [2023-11-21 22:24:57,500 INFO L438 nArgumentSynthesizer]: Removed 3 redundant supporting invariants from a total of 4. [2023-11-21 22:24:57,501 INFO L513 LassoAnalysis]: Proved termination. [2023-11-21 22:24:57,501 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select (select #memory_int#2 ULTIMATE.start_test_fun_~x_ref~0#1.base) ULTIMATE.start_test_fun_~x_ref~0#1.offset)_1) = 1*v_rep(select (select #memory_int#2 ULTIMATE.start_test_fun_~x_ref~0#1.base) ULTIMATE.start_test_fun_~x_ref~0#1.offset)_1 Supporting invariants [1*v_rep(select (select #memory_int#1 ULTIMATE.start_test_fun_~y_ref~0#1.base) ULTIMATE.start_test_fun_~y_ref~0#1.offset)_1 >= 0] [2023-11-21 22:24:57,528 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57694c31-0d81-4c5e-8855-71c3b2a7cd3d/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Forceful destruction successful, exit code 0 [2023-11-21 22:24:57,638 INFO L156 tatePredicateManager]: 22 out of 23 supporting invariants were superfluous and have been removed [2023-11-21 22:24:57,646 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #memory_int#2[~x_ref~0!base][~x_ref~0!offset] could not be translated [2023-11-21 22:24:57,673 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 22:24:57,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:24:57,729 INFO L262 TraceCheckSpWp]: Trace formula consists of 93 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-21 22:24:57,731 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 22:24:57,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:24:57,812 INFO L262 TraceCheckSpWp]: Trace formula consists of 43 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-21 22:24:57,813 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 22:24:57,917 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57694c31-0d81-4c5e-8855-71c3b2a7cd3d/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Forceful destruction successful, exit code 0 [2023-11-21 22:24:57,926 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 24 [2023-11-21 22:24:57,954 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 22:24:57,990 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.2 stem predicates 3 loop predicates [2023-11-21 22:24:57,993 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand has 14 states, 13 states have (on average 1.4615384615384615) internal successors, (19), 13 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 6 states, 6 states have (on average 1.3333333333333333) internal successors, (8), 6 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) [2023-11-21 22:24:58,118 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand has 14 states, 13 states have (on average 1.4615384615384615) internal successors, (19), 13 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0). Second operand has 6 states, 6 states have (on average 1.3333333333333333) internal successors, (8), 6 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 34 states and 42 transitions. Complement of second has 9 states. [2023-11-21 22:24:58,120 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 6 states 2 stem states 2 non-accepting loop states 1 accepting loop states [2023-11-21 22:24:58,128 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6 states, 6 states have (on average 1.3333333333333333) internal successors, (8), 6 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) [2023-11-21 22:24:58,130 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 26 transitions. [2023-11-21 22:24:58,132 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 26 transitions. Stem has 4 letters. Loop has 4 letters. [2023-11-21 22:24:58,133 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-21 22:24:58,134 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 26 transitions. Stem has 8 letters. Loop has 4 letters. [2023-11-21 22:24:58,134 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-21 22:24:58,134 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 26 transitions. Stem has 4 letters. Loop has 8 letters. [2023-11-21 22:24:58,136 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-21 22:24:58,137 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 34 states and 42 transitions. [2023-11-21 22:24:58,142 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2023-11-21 22:24:58,147 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 34 states to 18 states and 22 transitions. [2023-11-21 22:24:58,148 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 10 [2023-11-21 22:24:58,148 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 12 [2023-11-21 22:24:58,149 INFO L73 IsDeterministic]: Start isDeterministic. Operand 18 states and 22 transitions. [2023-11-21 22:24:58,149 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2023-11-21 22:24:58,149 INFO L218 hiAutomatonCegarLoop]: Abstraction has 18 states and 22 transitions. [2023-11-21 22:24:58,168 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18 states and 22 transitions. [2023-11-21 22:24:58,177 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18 to 16. [2023-11-21 22:24:58,177 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16 states, 16 states have (on average 1.25) internal successors, (20), 15 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 22:24:58,178 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 20 transitions. [2023-11-21 22:24:58,179 INFO L240 hiAutomatonCegarLoop]: Abstraction has 16 states and 20 transitions. [2023-11-21 22:24:58,180 INFO L428 stractBuchiCegarLoop]: Abstraction has 16 states and 20 transitions. [2023-11-21 22:24:58,180 INFO L335 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2023-11-21 22:24:58,180 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 16 states and 20 transitions. [2023-11-21 22:24:58,182 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2023-11-21 22:24:58,182 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-21 22:24:58,182 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-21 22:24:58,183 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2023-11-21 22:24:58,183 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1] [2023-11-21 22:24:58,184 INFO L748 eck$LassoCheckResult]: Stem: 211#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 212#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet17#1, main_#t~nondet18#1, main_#t~ret19#1;havoc main_#t~nondet17#1;havoc main_#t~nondet18#1;assume { :begin_inline_test_fun } true;test_fun_#in~x#1, test_fun_#in~y#1 := main_#t~nondet17#1, main_#t~nondet18#1;havoc test_fun_#res#1;havoc test_fun_#t~malloc2#1.base, test_fun_#t~malloc2#1.offset, test_fun_#t~malloc3#1.base, test_fun_#t~malloc3#1.offset, test_fun_#t~malloc4#1.base, test_fun_#t~malloc4#1.offset, test_fun_#t~mem5#1, test_fun_#t~mem6#1, test_fun_#t~short7#1, test_fun_#t~mem9#1, test_fun_#t~mem10#1, test_fun_#t~mem11#1, test_fun_#t~mem12#1, test_fun_#t~mem13#1, test_fun_#t~mem14#1, test_fun_#t~mem15#1, test_fun_#t~mem8#1, test_fun_#t~mem16#1, test_fun_~x#1, test_fun_~y#1, test_fun_~x_ref~0#1.base, test_fun_~x_ref~0#1.offset, test_fun_~y_ref~0#1.base, test_fun_~y_ref~0#1.offset, test_fun_~c~0#1.base, test_fun_~c~0#1.offset;test_fun_~x#1 := test_fun_#in~x#1;test_fun_~y#1 := test_fun_#in~y#1;call test_fun_#t~malloc2#1.base, test_fun_#t~malloc2#1.offset := #Ultimate.allocOnStack(4);test_fun_~x_ref~0#1.base, test_fun_~x_ref~0#1.offset := test_fun_#t~malloc2#1.base, test_fun_#t~malloc2#1.offset;call test_fun_#t~malloc3#1.base, test_fun_#t~malloc3#1.offset := #Ultimate.allocOnStack(4);test_fun_~y_ref~0#1.base, test_fun_~y_ref~0#1.offset := test_fun_#t~malloc3#1.base, test_fun_#t~malloc3#1.offset;call test_fun_#t~malloc4#1.base, test_fun_#t~malloc4#1.offset := #Ultimate.allocOnStack(4);test_fun_~c~0#1.base, test_fun_~c~0#1.offset := test_fun_#t~malloc4#1.base, test_fun_#t~malloc4#1.offset;call write~int#2(test_fun_~x#1, test_fun_~x_ref~0#1.base, test_fun_~x_ref~0#1.offset, 4);call write~int#1(test_fun_~y#1, test_fun_~y_ref~0#1.base, test_fun_~y_ref~0#1.offset, 4);call write~int#0(0, test_fun_~c~0#1.base, test_fun_~c~0#1.offset, 4);call test_fun_#t~mem5#1 := read~int#2(test_fun_~x_ref~0#1.base, test_fun_~x_ref~0#1.offset, 4);test_fun_#t~short7#1 := test_fun_#t~mem5#1 <= 0; 200#L555 assume !test_fun_#t~short7#1;call test_fun_#t~mem6#1 := read~int#1(test_fun_~y_ref~0#1.base, test_fun_~y_ref~0#1.offset, 4);test_fun_#t~short7#1 := test_fun_#t~mem6#1 <= 0; 201#L555-2 assume !test_fun_#t~short7#1;havoc test_fun_#t~mem5#1;havoc test_fun_#t~mem6#1;havoc test_fun_#t~short7#1; 215#L558-3 call test_fun_#t~mem8#1 := read~int#2(test_fun_~x_ref~0#1.base, test_fun_~x_ref~0#1.offset, 4); 208#L558-1 [2023-11-21 22:24:58,184 INFO L750 eck$LassoCheckResult]: Loop: 208#L558-1 assume !!!(0 == test_fun_#t~mem8#1);havoc test_fun_#t~mem8#1;call test_fun_#t~mem9#1 := read~int#2(test_fun_~x_ref~0#1.base, test_fun_~x_ref~0#1.offset, 4);call test_fun_#t~mem10#1 := read~int#1(test_fun_~y_ref~0#1.base, test_fun_~y_ref~0#1.offset, 4); 202#L559 assume !(test_fun_#t~mem9#1 > test_fun_#t~mem10#1);havoc test_fun_#t~mem9#1;havoc test_fun_#t~mem10#1;call test_fun_#t~mem12#1 := read~int#2(test_fun_~x_ref~0#1.base, test_fun_~x_ref~0#1.offset, 4); 203#L562 assume !(test_fun_#t~mem12#1 <= 0);havoc test_fun_#t~mem12#1;call test_fun_#t~mem14#1 := read~int#2(test_fun_~x_ref~0#1.base, test_fun_~x_ref~0#1.offset, 4);call write~int#2(test_fun_#t~mem14#1 - 1, test_fun_~x_ref~0#1.base, test_fun_~x_ref~0#1.offset, 4);havoc test_fun_#t~mem14#1; 213#L559-2 call test_fun_#t~mem15#1 := read~int#0(test_fun_~c~0#1.base, test_fun_~c~0#1.offset, 4);call write~int#0(1 + test_fun_#t~mem15#1, test_fun_~c~0#1.base, test_fun_~c~0#1.offset, 4);havoc test_fun_#t~mem15#1; 207#L558-3 call test_fun_#t~mem8#1 := read~int#2(test_fun_~x_ref~0#1.base, test_fun_~x_ref~0#1.offset, 4); 208#L558-1 [2023-11-21 22:24:58,185 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 22:24:58,186 INFO L85 PathProgramCache]: Analyzing trace with hash 28695881, now seen corresponding path program 1 times [2023-11-21 22:24:58,186 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-21 22:24:58,186 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [230481893] [2023-11-21 22:24:58,186 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 22:24:58,187 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 22:24:58,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-21 22:24:58,232 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-21 22:24:58,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-21 22:24:58,276 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-21 22:24:58,277 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 22:24:58,277 INFO L85 PathProgramCache]: Analyzing trace with hash 50737098, now seen corresponding path program 1 times [2023-11-21 22:24:58,277 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-21 22:24:58,277 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [772998386] [2023-11-21 22:24:58,277 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 22:24:58,278 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 22:24:58,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-21 22:24:58,298 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-21 22:24:58,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-21 22:24:58,325 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-21 22:24:58,326 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 22:24:58,326 INFO L85 PathProgramCache]: Analyzing trace with hash 1682923394, now seen corresponding path program 1 times [2023-11-21 22:24:58,326 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-21 22:24:58,326 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [99444281] [2023-11-21 22:24:58,327 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 22:24:58,327 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 22:24:58,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-21 22:24:58,352 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-21 22:24:58,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-21 22:24:58,375 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-21 22:24:59,317 INFO L210 LassoAnalysis]: Preferences: [2023-11-21 22:24:59,317 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-11-21 22:24:59,318 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-11-21 22:24:59,318 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-11-21 22:24:59,318 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2023-11-21 22:24:59,318 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-21 22:24:59,318 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-11-21 22:24:59,318 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-11-21 22:24:59,318 INFO L133 ssoRankerPreferences]: Filename of dumped script: b.09_assume-alloca.i_Iteration2_Lasso [2023-11-21 22:24:59,319 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-11-21 22:24:59,319 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-11-21 22:24:59,324 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-21 22:24:59,328 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-21 22:25:00,039 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 22:25:00,043 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 22:25:00,046 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 22:25:00,048 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 22:25:00,051 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 22:25:00,054 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 22:25:00,057 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 22:25:00,060 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 22:25:00,064 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 22:25:00,067 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 22:25:00,070 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 22:25:00,074 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 22:25:00,076 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 22:25:00,079 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 22:25:00,082 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 22:25:00,084 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 22:25:00,088 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 22:25:00,091 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 22:25:00,094 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 22:25:00,657 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-11-21 22:25:00,657 INFO L490 LassoAnalysis]: Using template 'affine'. [2023-11-21 22:25:00,658 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-21 22:25:00,658 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57694c31-0d81-4c5e-8855-71c3b2a7cd3d/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 22:25:00,660 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57694c31-0d81-4c5e-8855-71c3b2a7cd3d/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-21 22:25:00,670 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 22:25:00,683 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57694c31-0d81-4c5e-8855-71c3b2a7cd3d/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Waiting until timeout for monitored process [2023-11-21 22:25:00,684 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-21 22:25:00,684 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-21 22:25:00,685 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-21 22:25:00,685 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-21 22:25:00,685 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-21 22:25:00,685 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-21 22:25:00,686 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-21 22:25:00,695 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-21 22:25:00,718 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57694c31-0d81-4c5e-8855-71c3b2a7cd3d/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Forceful destruction successful, exit code 0 [2023-11-21 22:25:00,718 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-21 22:25:00,718 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57694c31-0d81-4c5e-8855-71c3b2a7cd3d/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 22:25:00,719 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57694c31-0d81-4c5e-8855-71c3b2a7cd3d/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-21 22:25:00,730 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 22:25:00,743 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-21 22:25:00,743 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-21 22:25:00,744 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2023-11-21 22:25:00,744 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-21 22:25:00,745 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57694c31-0d81-4c5e-8855-71c3b2a7cd3d/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Waiting until timeout for monitored process [2023-11-21 22:25:00,767 INFO L401 nArgumentSynthesizer]: We have 16 Motzkin's Theorem applications. [2023-11-21 22:25:00,767 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2023-11-21 22:25:00,817 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2023-11-21 22:25:00,919 INFO L443 ModelExtractionUtils]: Simplification made 22 calls to the SMT solver. [2023-11-21 22:25:00,920 INFO L444 ModelExtractionUtils]: 32 out of 56 variables were initially zero. Simplification set additionally 17 variables to zero. [2023-11-21 22:25:00,920 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-21 22:25:00,920 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57694c31-0d81-4c5e-8855-71c3b2a7cd3d/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 22:25:00,921 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57694c31-0d81-4c5e-8855-71c3b2a7cd3d/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-21 22:25:00,930 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2023-11-21 22:25:00,942 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57694c31-0d81-4c5e-8855-71c3b2a7cd3d/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Waiting until timeout for monitored process [2023-11-21 22:25:00,959 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 4. [2023-11-21 22:25:00,960 INFO L513 LassoAnalysis]: Proved termination. [2023-11-21 22:25:00,960 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_test_fun_#t~mem8#1) = 1*ULTIMATE.start_test_fun_#t~mem8#1 Supporting invariants [1*ULTIMATE.start_test_fun_#t~mem8#1 - 1*v_rep(select (select #memory_int#2 ULTIMATE.start_test_fun_~x_ref~0#1.base) ULTIMATE.start_test_fun_~x_ref~0#1.offset)_2 >= 0, 1*ULTIMATE.start_test_fun_#t~mem8#1 >= 0] [2023-11-21 22:25:00,980 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57694c31-0d81-4c5e-8855-71c3b2a7cd3d/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Forceful destruction successful, exit code 0 [2023-11-21 22:25:01,085 INFO L156 tatePredicateManager]: 24 out of 25 supporting invariants were superfluous and have been removed [2023-11-21 22:25:01,088 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem8 could not be translated [2023-11-21 22:25:01,114 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 22:25:01,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:25:01,144 INFO L262 TraceCheckSpWp]: Trace formula consists of 99 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-21 22:25:01,145 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 22:25:01,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:25:01,170 INFO L262 TraceCheckSpWp]: Trace formula consists of 46 conjuncts, 10 conjunts are in the unsatisfiable core [2023-11-21 22:25:01,171 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 22:25:01,216 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 43 treesize of output 16 [2023-11-21 22:25:01,250 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 22:25:01,251 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 4 loop predicates [2023-11-21 22:25:01,251 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 16 states and 20 transitions. cyclomatic complexity: 6 Second operand has 5 states, 5 states have (on average 2.0) internal successors, (10), 5 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 22:25:01,316 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 16 states and 20 transitions. cyclomatic complexity: 6. Second operand has 5 states, 5 states have (on average 2.0) internal successors, (10), 5 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 35 states and 41 transitions. Complement of second has 9 states. [2023-11-21 22:25:01,317 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 1 stem states 3 non-accepting loop states 1 accepting loop states [2023-11-21 22:25:01,318 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5 states, 5 states have (on average 2.0) internal successors, (10), 5 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 22:25:01,318 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 11 transitions. [2023-11-21 22:25:01,319 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 11 transitions. Stem has 5 letters. Loop has 5 letters. [2023-11-21 22:25:01,319 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-21 22:25:01,319 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 11 transitions. Stem has 10 letters. Loop has 5 letters. [2023-11-21 22:25:01,320 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-21 22:25:01,320 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 11 transitions. Stem has 5 letters. Loop has 10 letters. [2023-11-21 22:25:01,321 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-21 22:25:01,321 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 35 states and 41 transitions. [2023-11-21 22:25:01,327 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2023-11-21 22:25:01,328 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 35 states to 22 states and 26 transitions. [2023-11-21 22:25:01,329 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 10 [2023-11-21 22:25:01,329 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 10 [2023-11-21 22:25:01,329 INFO L73 IsDeterministic]: Start isDeterministic. Operand 22 states and 26 transitions. [2023-11-21 22:25:01,329 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2023-11-21 22:25:01,330 INFO L218 hiAutomatonCegarLoop]: Abstraction has 22 states and 26 transitions. [2023-11-21 22:25:01,330 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22 states and 26 transitions. [2023-11-21 22:25:01,333 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22 to 22. [2023-11-21 22:25:01,334 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22 states, 22 states have (on average 1.1818181818181819) internal successors, (26), 21 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 22:25:01,336 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 22 states and 26 transitions. [2023-11-21 22:25:01,339 INFO L240 hiAutomatonCegarLoop]: Abstraction has 22 states and 26 transitions. [2023-11-21 22:25:01,339 INFO L428 stractBuchiCegarLoop]: Abstraction has 22 states and 26 transitions. [2023-11-21 22:25:01,339 INFO L335 stractBuchiCegarLoop]: ======== Iteration 3 ============ [2023-11-21 22:25:01,340 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 22 states and 26 transitions. [2023-11-21 22:25:01,342 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2023-11-21 22:25:01,342 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-21 22:25:01,342 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-21 22:25:01,343 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2023-11-21 22:25:01,343 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1] [2023-11-21 22:25:01,349 INFO L748 eck$LassoCheckResult]: Stem: 424#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 425#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet17#1, main_#t~nondet18#1, main_#t~ret19#1;havoc main_#t~nondet17#1;havoc main_#t~nondet18#1;assume { :begin_inline_test_fun } true;test_fun_#in~x#1, test_fun_#in~y#1 := main_#t~nondet17#1, main_#t~nondet18#1;havoc test_fun_#res#1;havoc test_fun_#t~malloc2#1.base, test_fun_#t~malloc2#1.offset, test_fun_#t~malloc3#1.base, test_fun_#t~malloc3#1.offset, test_fun_#t~malloc4#1.base, test_fun_#t~malloc4#1.offset, test_fun_#t~mem5#1, test_fun_#t~mem6#1, test_fun_#t~short7#1, test_fun_#t~mem9#1, test_fun_#t~mem10#1, test_fun_#t~mem11#1, test_fun_#t~mem12#1, test_fun_#t~mem13#1, test_fun_#t~mem14#1, test_fun_#t~mem15#1, test_fun_#t~mem8#1, test_fun_#t~mem16#1, test_fun_~x#1, test_fun_~y#1, test_fun_~x_ref~0#1.base, test_fun_~x_ref~0#1.offset, test_fun_~y_ref~0#1.base, test_fun_~y_ref~0#1.offset, test_fun_~c~0#1.base, test_fun_~c~0#1.offset;test_fun_~x#1 := test_fun_#in~x#1;test_fun_~y#1 := test_fun_#in~y#1;call test_fun_#t~malloc2#1.base, test_fun_#t~malloc2#1.offset := #Ultimate.allocOnStack(4);test_fun_~x_ref~0#1.base, test_fun_~x_ref~0#1.offset := test_fun_#t~malloc2#1.base, test_fun_#t~malloc2#1.offset;call test_fun_#t~malloc3#1.base, test_fun_#t~malloc3#1.offset := #Ultimate.allocOnStack(4);test_fun_~y_ref~0#1.base, test_fun_~y_ref~0#1.offset := test_fun_#t~malloc3#1.base, test_fun_#t~malloc3#1.offset;call test_fun_#t~malloc4#1.base, test_fun_#t~malloc4#1.offset := #Ultimate.allocOnStack(4);test_fun_~c~0#1.base, test_fun_~c~0#1.offset := test_fun_#t~malloc4#1.base, test_fun_#t~malloc4#1.offset;call write~int#2(test_fun_~x#1, test_fun_~x_ref~0#1.base, test_fun_~x_ref~0#1.offset, 4);call write~int#1(test_fun_~y#1, test_fun_~y_ref~0#1.base, test_fun_~y_ref~0#1.offset, 4);call write~int#0(0, test_fun_~c~0#1.base, test_fun_~c~0#1.offset, 4);call test_fun_#t~mem5#1 := read~int#2(test_fun_~x_ref~0#1.base, test_fun_~x_ref~0#1.offset, 4);test_fun_#t~short7#1 := test_fun_#t~mem5#1 <= 0; 414#L555 assume !test_fun_#t~short7#1;call test_fun_#t~mem6#1 := read~int#1(test_fun_~y_ref~0#1.base, test_fun_~y_ref~0#1.offset, 4);test_fun_#t~short7#1 := test_fun_#t~mem6#1 <= 0; 415#L555-2 assume !test_fun_#t~short7#1;havoc test_fun_#t~mem5#1;havoc test_fun_#t~mem6#1;havoc test_fun_#t~short7#1; 420#L558-3 call test_fun_#t~mem8#1 := read~int#2(test_fun_~x_ref~0#1.base, test_fun_~x_ref~0#1.offset, 4); 421#L558-1 assume !!!(0 == test_fun_#t~mem8#1);havoc test_fun_#t~mem8#1;call test_fun_#t~mem9#1 := read~int#2(test_fun_~x_ref~0#1.base, test_fun_~x_ref~0#1.offset, 4);call test_fun_#t~mem10#1 := read~int#1(test_fun_~y_ref~0#1.base, test_fun_~y_ref~0#1.offset, 4); 433#L559 assume test_fun_#t~mem9#1 > test_fun_#t~mem10#1;havoc test_fun_#t~mem9#1;havoc test_fun_#t~mem10#1;call test_fun_#t~mem11#1 := read~int#1(test_fun_~y_ref~0#1.base, test_fun_~y_ref~0#1.offset, 4);call write~int#2(test_fun_#t~mem11#1, test_fun_~x_ref~0#1.base, test_fun_~x_ref~0#1.offset, 4);havoc test_fun_#t~mem11#1; 432#L559-2 call test_fun_#t~mem15#1 := read~int#0(test_fun_~c~0#1.base, test_fun_~c~0#1.offset, 4);call write~int#0(1 + test_fun_#t~mem15#1, test_fun_~c~0#1.base, test_fun_~c~0#1.offset, 4);havoc test_fun_#t~mem15#1; 427#L558-3 [2023-11-21 22:25:01,350 INFO L750 eck$LassoCheckResult]: Loop: 427#L558-3 call test_fun_#t~mem8#1 := read~int#2(test_fun_~x_ref~0#1.base, test_fun_~x_ref~0#1.offset, 4); 429#L558-1 assume !!!(0 == test_fun_#t~mem8#1);havoc test_fun_#t~mem8#1;call test_fun_#t~mem9#1 := read~int#2(test_fun_~x_ref~0#1.base, test_fun_~x_ref~0#1.offset, 4);call test_fun_#t~mem10#1 := read~int#1(test_fun_~y_ref~0#1.base, test_fun_~y_ref~0#1.offset, 4); 416#L559 assume !(test_fun_#t~mem9#1 > test_fun_#t~mem10#1);havoc test_fun_#t~mem9#1;havoc test_fun_#t~mem10#1;call test_fun_#t~mem12#1 := read~int#2(test_fun_~x_ref~0#1.base, test_fun_~x_ref~0#1.offset, 4); 417#L562 assume !(test_fun_#t~mem12#1 <= 0);havoc test_fun_#t~mem12#1;call test_fun_#t~mem14#1 := read~int#2(test_fun_~x_ref~0#1.base, test_fun_~x_ref~0#1.offset, 4);call write~int#2(test_fun_#t~mem14#1 - 1, test_fun_~x_ref~0#1.base, test_fun_~x_ref~0#1.offset, 4);havoc test_fun_#t~mem14#1; 426#L559-2 call test_fun_#t~mem15#1 := read~int#0(test_fun_~c~0#1.base, test_fun_~c~0#1.offset, 4);call write~int#0(1 + test_fun_#t~mem15#1, test_fun_~c~0#1.base, test_fun_~c~0#1.offset, 4);havoc test_fun_#t~mem15#1; 427#L558-3 [2023-11-21 22:25:01,350 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 22:25:01,351 INFO L85 PathProgramCache]: Analyzing trace with hash 180521911, now seen corresponding path program 2 times [2023-11-21 22:25:01,351 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-21 22:25:01,351 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [37224172] [2023-11-21 22:25:01,352 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 22:25:01,352 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 22:25:01,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-21 22:25:01,395 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-21 22:25:01,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-21 22:25:01,428 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-21 22:25:01,433 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 22:25:01,433 INFO L85 PathProgramCache]: Analyzing trace with hash 45965688, now seen corresponding path program 2 times [2023-11-21 22:25:01,433 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-21 22:25:01,433 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1391227791] [2023-11-21 22:25:01,434 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 22:25:01,434 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 22:25:01,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-21 22:25:01,447 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-21 22:25:01,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-21 22:25:01,455 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-21 22:25:01,456 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 22:25:01,456 INFO L85 PathProgramCache]: Analyzing trace with hash -915687550, now seen corresponding path program 1 times [2023-11-21 22:25:01,456 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-21 22:25:01,456 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [284032345] [2023-11-21 22:25:01,457 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 22:25:01,457 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 22:25:01,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-21 22:25:01,493 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-21 22:25:01,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-21 22:25:01,533 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-21 22:25:01,705 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57694c31-0d81-4c5e-8855-71c3b2a7cd3d/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Forceful destruction successful, exit code 0 [2023-11-21 22:25:02,677 INFO L210 LassoAnalysis]: Preferences: [2023-11-21 22:25:02,677 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-11-21 22:25:02,677 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-11-21 22:25:02,677 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-11-21 22:25:02,678 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2023-11-21 22:25:02,678 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-21 22:25:02,678 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-11-21 22:25:02,678 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-11-21 22:25:02,678 INFO L133 ssoRankerPreferences]: Filename of dumped script: b.09_assume-alloca.i_Iteration3_Lasso [2023-11-21 22:25:02,678 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-11-21 22:25:02,678 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-11-21 22:25:02,681 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-21 22:25:02,684 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-21 22:25:02,686 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 22:25:02,689 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 22:25:02,691 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-21 22:25:03,327 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 22:25:03,334 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-21 22:25:03,338 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 22:25:03,341 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-21 22:25:03,343 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 22:25:03,347 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 22:25:03,349 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 22:25:03,351 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 22:25:03,353 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 22:25:03,357 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-21 22:25:03,361 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-21 22:25:03,364 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 22:25:03,367 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 22:25:03,369 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 22:25:03,371 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 22:25:03,373 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 22:25:03,838 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-11-21 22:25:03,838 INFO L490 LassoAnalysis]: Using template 'affine'. [2023-11-21 22:25:03,838 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-21 22:25:03,838 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57694c31-0d81-4c5e-8855-71c3b2a7cd3d/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 22:25:03,841 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57694c31-0d81-4c5e-8855-71c3b2a7cd3d/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-21 22:25:03,851 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 22:25:03,863 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-21 22:25:03,863 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-21 22:25:03,863 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-21 22:25:03,863 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-21 22:25:03,863 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-21 22:25:03,864 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-21 22:25:03,864 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-21 22:25:03,865 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57694c31-0d81-4c5e-8855-71c3b2a7cd3d/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Waiting until timeout for monitored process [2023-11-21 22:25:03,869 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-21 22:25:03,885 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57694c31-0d81-4c5e-8855-71c3b2a7cd3d/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Ended with exit code 0 [2023-11-21 22:25:03,886 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-21 22:25:03,886 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57694c31-0d81-4c5e-8855-71c3b2a7cd3d/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 22:25:03,887 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57694c31-0d81-4c5e-8855-71c3b2a7cd3d/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-21 22:25:03,889 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57694c31-0d81-4c5e-8855-71c3b2a7cd3d/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Waiting until timeout for monitored process [2023-11-21 22:25:03,890 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 22:25:03,899 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-21 22:25:03,900 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-21 22:25:03,900 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-21 22:25:03,900 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-21 22:25:03,900 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-21 22:25:03,900 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-21 22:25:03,900 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-21 22:25:03,902 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-21 22:25:03,920 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57694c31-0d81-4c5e-8855-71c3b2a7cd3d/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Forceful destruction successful, exit code 0 [2023-11-21 22:25:03,921 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-21 22:25:03,921 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57694c31-0d81-4c5e-8855-71c3b2a7cd3d/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 22:25:03,922 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57694c31-0d81-4c5e-8855-71c3b2a7cd3d/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-21 22:25:03,923 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57694c31-0d81-4c5e-8855-71c3b2a7cd3d/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Waiting until timeout for monitored process [2023-11-21 22:25:03,925 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 22:25:03,936 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-21 22:25:03,936 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-21 22:25:03,936 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-21 22:25:03,937 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-21 22:25:03,937 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-21 22:25:03,937 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-21 22:25:03,937 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-21 22:25:03,938 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-21 22:25:03,950 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57694c31-0d81-4c5e-8855-71c3b2a7cd3d/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Forceful destruction successful, exit code 0 [2023-11-21 22:25:03,950 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-21 22:25:03,950 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57694c31-0d81-4c5e-8855-71c3b2a7cd3d/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 22:25:03,951 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57694c31-0d81-4c5e-8855-71c3b2a7cd3d/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-21 22:25:03,953 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57694c31-0d81-4c5e-8855-71c3b2a7cd3d/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Waiting until timeout for monitored process [2023-11-21 22:25:03,954 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 22:25:03,965 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-21 22:25:03,965 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-21 22:25:03,965 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-21 22:25:03,965 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-21 22:25:03,965 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-21 22:25:03,966 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-21 22:25:03,966 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-21 22:25:03,984 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-21 22:25:04,001 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57694c31-0d81-4c5e-8855-71c3b2a7cd3d/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Forceful destruction successful, exit code 0 [2023-11-21 22:25:04,002 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-21 22:25:04,002 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57694c31-0d81-4c5e-8855-71c3b2a7cd3d/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 22:25:04,003 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57694c31-0d81-4c5e-8855-71c3b2a7cd3d/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-21 22:25:04,004 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57694c31-0d81-4c5e-8855-71c3b2a7cd3d/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Waiting until timeout for monitored process [2023-11-21 22:25:04,004 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 22:25:04,017 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-21 22:25:04,017 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-21 22:25:04,017 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-21 22:25:04,017 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-21 22:25:04,023 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-21 22:25:04,023 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-21 22:25:04,034 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-21 22:25:04,046 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57694c31-0d81-4c5e-8855-71c3b2a7cd3d/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Forceful destruction successful, exit code 0 [2023-11-21 22:25:04,047 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-21 22:25:04,047 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57694c31-0d81-4c5e-8855-71c3b2a7cd3d/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 22:25:04,048 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57694c31-0d81-4c5e-8855-71c3b2a7cd3d/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-21 22:25:04,049 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57694c31-0d81-4c5e-8855-71c3b2a7cd3d/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Waiting until timeout for monitored process [2023-11-21 22:25:04,050 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 22:25:04,059 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-21 22:25:04,060 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-21 22:25:04,060 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-21 22:25:04,060 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-21 22:25:04,065 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-21 22:25:04,065 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-21 22:25:04,084 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-21 22:25:04,109 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57694c31-0d81-4c5e-8855-71c3b2a7cd3d/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Forceful destruction successful, exit code 0 [2023-11-21 22:25:04,109 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-21 22:25:04,109 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57694c31-0d81-4c5e-8855-71c3b2a7cd3d/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 22:25:04,111 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57694c31-0d81-4c5e-8855-71c3b2a7cd3d/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-21 22:25:04,125 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 22:25:04,138 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-21 22:25:04,138 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-21 22:25:04,138 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-21 22:25:04,138 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-21 22:25:04,140 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57694c31-0d81-4c5e-8855-71c3b2a7cd3d/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Waiting until timeout for monitored process [2023-11-21 22:25:04,141 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-21 22:25:04,141 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-21 22:25:04,153 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-21 22:25:04,176 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57694c31-0d81-4c5e-8855-71c3b2a7cd3d/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Forceful destruction successful, exit code 0 [2023-11-21 22:25:04,176 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-21 22:25:04,176 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57694c31-0d81-4c5e-8855-71c3b2a7cd3d/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 22:25:04,177 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57694c31-0d81-4c5e-8855-71c3b2a7cd3d/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-21 22:25:04,193 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57694c31-0d81-4c5e-8855-71c3b2a7cd3d/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Waiting until timeout for monitored process [2023-11-21 22:25:04,194 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 22:25:04,206 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-21 22:25:04,206 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-21 22:25:04,206 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-21 22:25:04,206 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-21 22:25:04,209 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-21 22:25:04,209 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-21 22:25:04,222 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-21 22:25:04,234 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57694c31-0d81-4c5e-8855-71c3b2a7cd3d/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Forceful destruction successful, exit code 0 [2023-11-21 22:25:04,235 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-21 22:25:04,235 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57694c31-0d81-4c5e-8855-71c3b2a7cd3d/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 22:25:04,236 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57694c31-0d81-4c5e-8855-71c3b2a7cd3d/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-21 22:25:04,237 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57694c31-0d81-4c5e-8855-71c3b2a7cd3d/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Waiting until timeout for monitored process [2023-11-21 22:25:04,237 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-21 22:25:04,248 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-21 22:25:04,248 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-21 22:25:04,248 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-21 22:25:04,248 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-21 22:25:04,250 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-21 22:25:04,250 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-21 22:25:04,255 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-21 22:25:04,266 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57694c31-0d81-4c5e-8855-71c3b2a7cd3d/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Forceful destruction successful, exit code 0 [2023-11-21 22:25:04,267 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-21 22:25:04,267 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57694c31-0d81-4c5e-8855-71c3b2a7cd3d/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 22:25:04,268 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57694c31-0d81-4c5e-8855-71c3b2a7cd3d/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-21 22:25:04,270 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57694c31-0d81-4c5e-8855-71c3b2a7cd3d/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Waiting until timeout for monitored process [2023-11-21 22:25:04,270 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 22:25:04,282 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-21 22:25:04,282 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-21 22:25:04,282 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-21 22:25:04,283 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-21 22:25:04,284 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-21 22:25:04,284 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-21 22:25:04,295 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-21 22:25:04,312 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57694c31-0d81-4c5e-8855-71c3b2a7cd3d/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Forceful destruction successful, exit code 0 [2023-11-21 22:25:04,313 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-21 22:25:04,313 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57694c31-0d81-4c5e-8855-71c3b2a7cd3d/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 22:25:04,314 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57694c31-0d81-4c5e-8855-71c3b2a7cd3d/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-21 22:25:04,321 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 22:25:04,333 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-21 22:25:04,333 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-21 22:25:04,333 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-21 22:25:04,333 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-21 22:25:04,336 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57694c31-0d81-4c5e-8855-71c3b2a7cd3d/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Waiting until timeout for monitored process [2023-11-21 22:25:04,337 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-21 22:25:04,337 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-21 22:25:04,343 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-21 22:25:04,355 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57694c31-0d81-4c5e-8855-71c3b2a7cd3d/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Forceful destruction successful, exit code 0 [2023-11-21 22:25:04,355 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-21 22:25:04,355 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57694c31-0d81-4c5e-8855-71c3b2a7cd3d/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 22:25:04,356 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57694c31-0d81-4c5e-8855-71c3b2a7cd3d/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-21 22:25:04,358 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57694c31-0d81-4c5e-8855-71c3b2a7cd3d/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Waiting until timeout for monitored process [2023-11-21 22:25:04,359 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 22:25:04,369 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-21 22:25:04,369 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-21 22:25:04,370 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-21 22:25:04,370 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-21 22:25:04,384 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-21 22:25:04,384 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-21 22:25:04,401 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2023-11-21 22:25:04,425 INFO L443 ModelExtractionUtils]: Simplification made 11 calls to the SMT solver. [2023-11-21 22:25:04,425 INFO L444 ModelExtractionUtils]: 8 out of 34 variables were initially zero. Simplification set additionally 24 variables to zero. [2023-11-21 22:25:04,426 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-21 22:25:04,426 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57694c31-0d81-4c5e-8855-71c3b2a7cd3d/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 22:25:04,427 INFO L229 MonitoredProcess]: Starting monitored process 26 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57694c31-0d81-4c5e-8855-71c3b2a7cd3d/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-21 22:25:04,432 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57694c31-0d81-4c5e-8855-71c3b2a7cd3d/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Waiting until timeout for monitored process [2023-11-21 22:25:04,432 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2023-11-21 22:25:04,443 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2023-11-21 22:25:04,443 INFO L513 LassoAnalysis]: Proved termination. [2023-11-21 22:25:04,444 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select (select #memory_int#2 ULTIMATE.start_test_fun_~x_ref~0#1.base) 0)_1) = 1*v_rep(select (select #memory_int#2 ULTIMATE.start_test_fun_~x_ref~0#1.base) 0)_1 Supporting invariants [] [2023-11-21 22:25:04,461 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57694c31-0d81-4c5e-8855-71c3b2a7cd3d/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Forceful destruction successful, exit code 0 [2023-11-21 22:25:04,568 INFO L156 tatePredicateManager]: 22 out of 23 supporting invariants were superfluous and have been removed [2023-11-21 22:25:04,570 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #memory_int#2[~x_ref~0!base][0] could not be translated [2023-11-21 22:25:04,594 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 22:25:04,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:25:04,628 INFO L262 TraceCheckSpWp]: Trace formula consists of 133 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-21 22:25:04,629 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 22:25:04,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:25:04,674 INFO L262 TraceCheckSpWp]: Trace formula consists of 47 conjuncts, 9 conjunts are in the unsatisfiable core [2023-11-21 22:25:04,676 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 22:25:04,733 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 43 treesize of output 16 [2023-11-21 22:25:04,753 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 22:25:04,754 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.2 stem predicates 3 loop predicates [2023-11-21 22:25:04,754 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 22 states and 26 transitions. cyclomatic complexity: 7 Second operand has 6 states, 6 states have (on average 2.1666666666666665) internal successors, (13), 6 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 22:25:04,826 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 22 states and 26 transitions. cyclomatic complexity: 7. Second operand has 6 states, 6 states have (on average 2.1666666666666665) internal successors, (13), 6 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 55 states and 65 transitions. Complement of second has 8 states. [2023-11-21 22:25:04,827 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 2 stem states 2 non-accepting loop states 1 accepting loop states [2023-11-21 22:25:04,828 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6 states, 6 states have (on average 2.1666666666666665) internal successors, (13), 6 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 22:25:04,829 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 17 transitions. [2023-11-21 22:25:04,829 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 17 transitions. Stem has 8 letters. Loop has 5 letters. [2023-11-21 22:25:04,829 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-21 22:25:04,829 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 17 transitions. Stem has 13 letters. Loop has 5 letters. [2023-11-21 22:25:04,830 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-21 22:25:04,830 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 17 transitions. Stem has 8 letters. Loop has 10 letters. [2023-11-21 22:25:04,830 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-21 22:25:04,831 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 55 states and 65 transitions. [2023-11-21 22:25:04,832 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2023-11-21 22:25:04,833 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 55 states to 40 states and 48 transitions. [2023-11-21 22:25:04,834 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 10 [2023-11-21 22:25:04,834 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 10 [2023-11-21 22:25:04,834 INFO L73 IsDeterministic]: Start isDeterministic. Operand 40 states and 48 transitions. [2023-11-21 22:25:04,834 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2023-11-21 22:25:04,834 INFO L218 hiAutomatonCegarLoop]: Abstraction has 40 states and 48 transitions. [2023-11-21 22:25:04,835 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 40 states and 48 transitions. [2023-11-21 22:25:04,837 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 40 to 30. [2023-11-21 22:25:04,837 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 30 states, 30 states have (on average 1.2) internal successors, (36), 29 states have internal predecessors, (36), 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 22:25:04,838 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 30 states and 36 transitions. [2023-11-21 22:25:04,838 INFO L240 hiAutomatonCegarLoop]: Abstraction has 30 states and 36 transitions. [2023-11-21 22:25:04,839 INFO L428 stractBuchiCegarLoop]: Abstraction has 30 states and 36 transitions. [2023-11-21 22:25:04,839 INFO L335 stractBuchiCegarLoop]: ======== Iteration 4 ============ [2023-11-21 22:25:04,839 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 30 states and 36 transitions. [2023-11-21 22:25:04,840 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2023-11-21 22:25:04,840 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-21 22:25:04,840 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-21 22:25:04,841 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [2, 2, 2, 2, 1, 1, 1, 1] [2023-11-21 22:25:04,841 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1] [2023-11-21 22:25:04,841 INFO L748 eck$LassoCheckResult]: Stem: 663#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 664#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet17#1, main_#t~nondet18#1, main_#t~ret19#1;havoc main_#t~nondet17#1;havoc main_#t~nondet18#1;assume { :begin_inline_test_fun } true;test_fun_#in~x#1, test_fun_#in~y#1 := main_#t~nondet17#1, main_#t~nondet18#1;havoc test_fun_#res#1;havoc test_fun_#t~malloc2#1.base, test_fun_#t~malloc2#1.offset, test_fun_#t~malloc3#1.base, test_fun_#t~malloc3#1.offset, test_fun_#t~malloc4#1.base, test_fun_#t~malloc4#1.offset, test_fun_#t~mem5#1, test_fun_#t~mem6#1, test_fun_#t~short7#1, test_fun_#t~mem9#1, test_fun_#t~mem10#1, test_fun_#t~mem11#1, test_fun_#t~mem12#1, test_fun_#t~mem13#1, test_fun_#t~mem14#1, test_fun_#t~mem15#1, test_fun_#t~mem8#1, test_fun_#t~mem16#1, test_fun_~x#1, test_fun_~y#1, test_fun_~x_ref~0#1.base, test_fun_~x_ref~0#1.offset, test_fun_~y_ref~0#1.base, test_fun_~y_ref~0#1.offset, test_fun_~c~0#1.base, test_fun_~c~0#1.offset;test_fun_~x#1 := test_fun_#in~x#1;test_fun_~y#1 := test_fun_#in~y#1;call test_fun_#t~malloc2#1.base, test_fun_#t~malloc2#1.offset := #Ultimate.allocOnStack(4);test_fun_~x_ref~0#1.base, test_fun_~x_ref~0#1.offset := test_fun_#t~malloc2#1.base, test_fun_#t~malloc2#1.offset;call test_fun_#t~malloc3#1.base, test_fun_#t~malloc3#1.offset := #Ultimate.allocOnStack(4);test_fun_~y_ref~0#1.base, test_fun_~y_ref~0#1.offset := test_fun_#t~malloc3#1.base, test_fun_#t~malloc3#1.offset;call test_fun_#t~malloc4#1.base, test_fun_#t~malloc4#1.offset := #Ultimate.allocOnStack(4);test_fun_~c~0#1.base, test_fun_~c~0#1.offset := test_fun_#t~malloc4#1.base, test_fun_#t~malloc4#1.offset;call write~int#2(test_fun_~x#1, test_fun_~x_ref~0#1.base, test_fun_~x_ref~0#1.offset, 4);call write~int#1(test_fun_~y#1, test_fun_~y_ref~0#1.base, test_fun_~y_ref~0#1.offset, 4);call write~int#0(0, test_fun_~c~0#1.base, test_fun_~c~0#1.offset, 4);call test_fun_#t~mem5#1 := read~int#2(test_fun_~x_ref~0#1.base, test_fun_~x_ref~0#1.offset, 4);test_fun_#t~short7#1 := test_fun_#t~mem5#1 <= 0; 653#L555 assume !test_fun_#t~short7#1;call test_fun_#t~mem6#1 := read~int#1(test_fun_~y_ref~0#1.base, test_fun_~y_ref~0#1.offset, 4);test_fun_#t~short7#1 := test_fun_#t~mem6#1 <= 0; 654#L555-2 assume !test_fun_#t~short7#1;havoc test_fun_#t~mem5#1;havoc test_fun_#t~mem6#1;havoc test_fun_#t~short7#1; 659#L558-3 call test_fun_#t~mem8#1 := read~int#2(test_fun_~x_ref~0#1.base, test_fun_~x_ref~0#1.offset, 4); 660#L558-1 assume !!!(0 == test_fun_#t~mem8#1);havoc test_fun_#t~mem8#1;call test_fun_#t~mem9#1 := read~int#2(test_fun_~x_ref~0#1.base, test_fun_~x_ref~0#1.offset, 4);call test_fun_#t~mem10#1 := read~int#1(test_fun_~y_ref~0#1.base, test_fun_~y_ref~0#1.offset, 4); 657#L559 assume test_fun_#t~mem9#1 > test_fun_#t~mem10#1;havoc test_fun_#t~mem9#1;havoc test_fun_#t~mem10#1;call test_fun_#t~mem11#1 := read~int#1(test_fun_~y_ref~0#1.base, test_fun_~y_ref~0#1.offset, 4);call write~int#2(test_fun_#t~mem11#1, test_fun_~x_ref~0#1.base, test_fun_~x_ref~0#1.offset, 4);havoc test_fun_#t~mem11#1; 658#L559-2 call test_fun_#t~mem15#1 := read~int#0(test_fun_~c~0#1.base, test_fun_~c~0#1.offset, 4);call write~int#0(1 + test_fun_#t~mem15#1, test_fun_~c~0#1.base, test_fun_~c~0#1.offset, 4);havoc test_fun_#t~mem15#1; 680#L558-3 call test_fun_#t~mem8#1 := read~int#2(test_fun_~x_ref~0#1.base, test_fun_~x_ref~0#1.offset, 4); 678#L558-1 assume !!!(0 == test_fun_#t~mem8#1);havoc test_fun_#t~mem8#1;call test_fun_#t~mem9#1 := read~int#2(test_fun_~x_ref~0#1.base, test_fun_~x_ref~0#1.offset, 4);call test_fun_#t~mem10#1 := read~int#1(test_fun_~y_ref~0#1.base, test_fun_~y_ref~0#1.offset, 4); 674#L559 assume test_fun_#t~mem9#1 > test_fun_#t~mem10#1;havoc test_fun_#t~mem9#1;havoc test_fun_#t~mem10#1;call test_fun_#t~mem11#1 := read~int#1(test_fun_~y_ref~0#1.base, test_fun_~y_ref~0#1.offset, 4);call write~int#2(test_fun_#t~mem11#1, test_fun_~x_ref~0#1.base, test_fun_~x_ref~0#1.offset, 4);havoc test_fun_#t~mem11#1; 672#L559-2 call test_fun_#t~mem15#1 := read~int#0(test_fun_~c~0#1.base, test_fun_~c~0#1.offset, 4);call write~int#0(1 + test_fun_#t~mem15#1, test_fun_~c~0#1.base, test_fun_~c~0#1.offset, 4);havoc test_fun_#t~mem15#1; 668#L558-3 [2023-11-21 22:25:04,842 INFO L750 eck$LassoCheckResult]: Loop: 668#L558-3 call test_fun_#t~mem8#1 := read~int#2(test_fun_~x_ref~0#1.base, test_fun_~x_ref~0#1.offset, 4); 665#L558-1 assume !!!(0 == test_fun_#t~mem8#1);havoc test_fun_#t~mem8#1;call test_fun_#t~mem9#1 := read~int#2(test_fun_~x_ref~0#1.base, test_fun_~x_ref~0#1.offset, 4);call test_fun_#t~mem10#1 := read~int#1(test_fun_~y_ref~0#1.base, test_fun_~y_ref~0#1.offset, 4); 655#L559 assume !(test_fun_#t~mem9#1 > test_fun_#t~mem10#1);havoc test_fun_#t~mem9#1;havoc test_fun_#t~mem10#1;call test_fun_#t~mem12#1 := read~int#2(test_fun_~x_ref~0#1.base, test_fun_~x_ref~0#1.offset, 4); 656#L562 assume !(test_fun_#t~mem12#1 <= 0);havoc test_fun_#t~mem12#1;call test_fun_#t~mem14#1 := read~int#2(test_fun_~x_ref~0#1.base, test_fun_~x_ref~0#1.offset, 4);call write~int#2(test_fun_#t~mem14#1 - 1, test_fun_~x_ref~0#1.base, test_fun_~x_ref~0#1.offset, 4);havoc test_fun_#t~mem14#1; 667#L559-2 call test_fun_#t~mem15#1 := read~int#0(test_fun_~c~0#1.base, test_fun_~c~0#1.offset, 4);call write~int#0(1 + test_fun_#t~mem15#1, test_fun_~c~0#1.base, test_fun_~c~0#1.offset, 4);havoc test_fun_#t~mem15#1; 668#L558-3 [2023-11-21 22:25:04,842 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 22:25:04,842 INFO L85 PathProgramCache]: Analyzing trace with hash -1969201019, now seen corresponding path program 3 times [2023-11-21 22:25:04,842 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-21 22:25:04,843 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [136048170] [2023-11-21 22:25:04,843 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 22:25:04,844 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 22:25:04,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:25:05,156 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 22:25:05,156 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-21 22:25:05,156 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [136048170] [2023-11-21 22:25:05,157 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [136048170] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-21 22:25:05,157 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-21 22:25:05,157 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-21 22:25:05,157 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1890861670] [2023-11-21 22:25:05,158 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-21 22:25:05,160 INFO L753 eck$LassoCheckResult]: stem already infeasible [2023-11-21 22:25:05,160 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 22:25:05,160 INFO L85 PathProgramCache]: Analyzing trace with hash 45965688, now seen corresponding path program 3 times [2023-11-21 22:25:05,160 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-21 22:25:05,160 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1515517531] [2023-11-21 22:25:05,161 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 22:25:05,161 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 22:25:05,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-21 22:25:05,168 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-21 22:25:05,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-21 22:25:05,174 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-21 22:25:05,388 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-21 22:25:05,390 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-21 22:25:05,391 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-21 22:25:05,392 INFO L87 Difference]: Start difference. First operand 30 states and 36 transitions. cyclomatic complexity: 9 Second operand has 4 states, 4 states have (on average 3.0) internal successors, (12), 4 states have internal predecessors, (12), 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 22:25:05,442 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-21 22:25:05,442 INFO L93 Difference]: Finished difference Result 40 states and 46 transitions. [2023-11-21 22:25:05,442 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 40 states and 46 transitions. [2023-11-21 22:25:05,448 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2023-11-21 22:25:05,449 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 40 states to 24 states and 27 transitions. [2023-11-21 22:25:05,449 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 10 [2023-11-21 22:25:05,449 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 14 [2023-11-21 22:25:05,450 INFO L73 IsDeterministic]: Start isDeterministic. Operand 24 states and 27 transitions. [2023-11-21 22:25:05,450 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2023-11-21 22:25:05,450 INFO L218 hiAutomatonCegarLoop]: Abstraction has 24 states and 27 transitions. [2023-11-21 22:25:05,450 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24 states and 27 transitions. [2023-11-21 22:25:05,452 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24 to 23. [2023-11-21 22:25:05,452 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 23 states, 23 states have (on average 1.1304347826086956) internal successors, (26), 22 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 22:25:05,454 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 23 states and 26 transitions. [2023-11-21 22:25:05,454 INFO L240 hiAutomatonCegarLoop]: Abstraction has 23 states and 26 transitions. [2023-11-21 22:25:05,455 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-21 22:25:05,457 INFO L428 stractBuchiCegarLoop]: Abstraction has 23 states and 26 transitions. [2023-11-21 22:25:05,457 INFO L335 stractBuchiCegarLoop]: ======== Iteration 5 ============ [2023-11-21 22:25:05,457 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 23 states and 26 transitions. [2023-11-21 22:25:05,458 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2023-11-21 22:25:05,458 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-21 22:25:05,458 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-21 22:25:05,459 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-21 22:25:05,459 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1] [2023-11-21 22:25:05,459 INFO L748 eck$LassoCheckResult]: Stem: 742#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 743#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet17#1, main_#t~nondet18#1, main_#t~ret19#1;havoc main_#t~nondet17#1;havoc main_#t~nondet18#1;assume { :begin_inline_test_fun } true;test_fun_#in~x#1, test_fun_#in~y#1 := main_#t~nondet17#1, main_#t~nondet18#1;havoc test_fun_#res#1;havoc test_fun_#t~malloc2#1.base, test_fun_#t~malloc2#1.offset, test_fun_#t~malloc3#1.base, test_fun_#t~malloc3#1.offset, test_fun_#t~malloc4#1.base, test_fun_#t~malloc4#1.offset, test_fun_#t~mem5#1, test_fun_#t~mem6#1, test_fun_#t~short7#1, test_fun_#t~mem9#1, test_fun_#t~mem10#1, test_fun_#t~mem11#1, test_fun_#t~mem12#1, test_fun_#t~mem13#1, test_fun_#t~mem14#1, test_fun_#t~mem15#1, test_fun_#t~mem8#1, test_fun_#t~mem16#1, test_fun_~x#1, test_fun_~y#1, test_fun_~x_ref~0#1.base, test_fun_~x_ref~0#1.offset, test_fun_~y_ref~0#1.base, test_fun_~y_ref~0#1.offset, test_fun_~c~0#1.base, test_fun_~c~0#1.offset;test_fun_~x#1 := test_fun_#in~x#1;test_fun_~y#1 := test_fun_#in~y#1;call test_fun_#t~malloc2#1.base, test_fun_#t~malloc2#1.offset := #Ultimate.allocOnStack(4);test_fun_~x_ref~0#1.base, test_fun_~x_ref~0#1.offset := test_fun_#t~malloc2#1.base, test_fun_#t~malloc2#1.offset;call test_fun_#t~malloc3#1.base, test_fun_#t~malloc3#1.offset := #Ultimate.allocOnStack(4);test_fun_~y_ref~0#1.base, test_fun_~y_ref~0#1.offset := test_fun_#t~malloc3#1.base, test_fun_#t~malloc3#1.offset;call test_fun_#t~malloc4#1.base, test_fun_#t~malloc4#1.offset := #Ultimate.allocOnStack(4);test_fun_~c~0#1.base, test_fun_~c~0#1.offset := test_fun_#t~malloc4#1.base, test_fun_#t~malloc4#1.offset;call write~int#2(test_fun_~x#1, test_fun_~x_ref~0#1.base, test_fun_~x_ref~0#1.offset, 4);call write~int#1(test_fun_~y#1, test_fun_~y_ref~0#1.base, test_fun_~y_ref~0#1.offset, 4);call write~int#0(0, test_fun_~c~0#1.base, test_fun_~c~0#1.offset, 4);call test_fun_#t~mem5#1 := read~int#2(test_fun_~x_ref~0#1.base, test_fun_~x_ref~0#1.offset, 4);test_fun_#t~short7#1 := test_fun_#t~mem5#1 <= 0; 732#L555 assume !test_fun_#t~short7#1;call test_fun_#t~mem6#1 := read~int#1(test_fun_~y_ref~0#1.base, test_fun_~y_ref~0#1.offset, 4);test_fun_#t~short7#1 := test_fun_#t~mem6#1 <= 0; 733#L555-2 assume !test_fun_#t~short7#1;havoc test_fun_#t~mem5#1;havoc test_fun_#t~mem6#1;havoc test_fun_#t~short7#1; 738#L558-3 call test_fun_#t~mem8#1 := read~int#2(test_fun_~x_ref~0#1.base, test_fun_~x_ref~0#1.offset, 4); 739#L558-1 assume !!!(0 == test_fun_#t~mem8#1);havoc test_fun_#t~mem8#1;call test_fun_#t~mem9#1 := read~int#2(test_fun_~x_ref~0#1.base, test_fun_~x_ref~0#1.offset, 4);call test_fun_#t~mem10#1 := read~int#1(test_fun_~y_ref~0#1.base, test_fun_~y_ref~0#1.offset, 4); 754#L559 assume !(test_fun_#t~mem9#1 > test_fun_#t~mem10#1);havoc test_fun_#t~mem9#1;havoc test_fun_#t~mem10#1;call test_fun_#t~mem12#1 := read~int#2(test_fun_~x_ref~0#1.base, test_fun_~x_ref~0#1.offset, 4); 753#L562 assume !(test_fun_#t~mem12#1 <= 0);havoc test_fun_#t~mem12#1;call test_fun_#t~mem14#1 := read~int#2(test_fun_~x_ref~0#1.base, test_fun_~x_ref~0#1.offset, 4);call write~int#2(test_fun_#t~mem14#1 - 1, test_fun_~x_ref~0#1.base, test_fun_~x_ref~0#1.offset, 4);havoc test_fun_#t~mem14#1; 752#L559-2 call test_fun_#t~mem15#1 := read~int#0(test_fun_~c~0#1.base, test_fun_~c~0#1.offset, 4);call write~int#0(1 + test_fun_#t~mem15#1, test_fun_~c~0#1.base, test_fun_~c~0#1.offset, 4);havoc test_fun_#t~mem15#1; 751#L558-3 call test_fun_#t~mem8#1 := read~int#2(test_fun_~x_ref~0#1.base, test_fun_~x_ref~0#1.offset, 4); 744#L558-1 assume !!!(0 == test_fun_#t~mem8#1);havoc test_fun_#t~mem8#1;call test_fun_#t~mem9#1 := read~int#2(test_fun_~x_ref~0#1.base, test_fun_~x_ref~0#1.offset, 4);call test_fun_#t~mem10#1 := read~int#1(test_fun_~y_ref~0#1.base, test_fun_~y_ref~0#1.offset, 4); 734#L559 assume test_fun_#t~mem9#1 > test_fun_#t~mem10#1;havoc test_fun_#t~mem9#1;havoc test_fun_#t~mem10#1;call test_fun_#t~mem11#1 := read~int#1(test_fun_~y_ref~0#1.base, test_fun_~y_ref~0#1.offset, 4);call write~int#2(test_fun_#t~mem11#1, test_fun_~x_ref~0#1.base, test_fun_~x_ref~0#1.offset, 4);havoc test_fun_#t~mem11#1; 735#L559-2 [2023-11-21 22:25:05,459 INFO L750 eck$LassoCheckResult]: Loop: 735#L559-2 call test_fun_#t~mem15#1 := read~int#0(test_fun_~c~0#1.base, test_fun_~c~0#1.offset, 4);call write~int#0(1 + test_fun_#t~mem15#1, test_fun_~c~0#1.base, test_fun_~c~0#1.offset, 4);havoc test_fun_#t~mem15#1; 745#L558-3 call test_fun_#t~mem8#1 := read~int#2(test_fun_~x_ref~0#1.base, test_fun_~x_ref~0#1.offset, 4); 750#L558-1 assume !!!(0 == test_fun_#t~mem8#1);havoc test_fun_#t~mem8#1;call test_fun_#t~mem9#1 := read~int#2(test_fun_~x_ref~0#1.base, test_fun_~x_ref~0#1.offset, 4);call test_fun_#t~mem10#1 := read~int#1(test_fun_~y_ref~0#1.base, test_fun_~y_ref~0#1.offset, 4); 749#L559 assume !(test_fun_#t~mem9#1 > test_fun_#t~mem10#1);havoc test_fun_#t~mem9#1;havoc test_fun_#t~mem10#1;call test_fun_#t~mem12#1 := read~int#2(test_fun_~x_ref~0#1.base, test_fun_~x_ref~0#1.offset, 4); 748#L562 assume !(test_fun_#t~mem12#1 <= 0);havoc test_fun_#t~mem12#1;call test_fun_#t~mem14#1 := read~int#2(test_fun_~x_ref~0#1.base, test_fun_~x_ref~0#1.offset, 4);call write~int#2(test_fun_#t~mem14#1 - 1, test_fun_~x_ref~0#1.base, test_fun_~x_ref~0#1.offset, 4);havoc test_fun_#t~mem14#1; 735#L559-2 [2023-11-21 22:25:05,460 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 22:25:05,460 INFO L85 PathProgramCache]: Analyzing trace with hash -1913288219, now seen corresponding path program 2 times [2023-11-21 22:25:05,460 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-21 22:25:05,460 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [397740023] [2023-11-21 22:25:05,461 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 22:25:05,461 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 22:25:05,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:25:05,591 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57694c31-0d81-4c5e-8855-71c3b2a7cd3d/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Ended with exit code 0 [2023-11-21 22:25:05,745 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 22:25:05,746 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-21 22:25:05,746 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [397740023] [2023-11-21 22:25:05,746 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [397740023] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-21 22:25:05,747 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1880685620] [2023-11-21 22:25:05,747 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-11-21 22:25:05,747 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-21 22:25:05,747 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57694c31-0d81-4c5e-8855-71c3b2a7cd3d/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 22:25:05,748 INFO L229 MonitoredProcess]: Starting monitored process 27 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57694c31-0d81-4c5e-8855-71c3b2a7cd3d/bin/uautomizer-verify-bycVGegfSx/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-21 22:25:05,760 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57694c31-0d81-4c5e-8855-71c3b2a7cd3d/bin/uautomizer-verify-bycVGegfSx/z3 -smt2 -in SMTLIB2_COMPLIANT=true (27)] Waiting until timeout for monitored process [2023-11-21 22:25:05,843 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2023-11-21 22:25:05,843 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-11-21 22:25:05,845 INFO L262 TraceCheckSpWp]: Trace formula consists of 168 conjuncts, 9 conjunts are in the unsatisfiable core [2023-11-21 22:25:05,846 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 22:25:05,875 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 17 [2023-11-21 22:25:05,891 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 13 [2023-11-21 22:25:05,896 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 9 [2023-11-21 22:25:05,899 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 22:25:05,899 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-21 22:25:05,962 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 22:25:05,962 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1880685620] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-21 22:25:05,962 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-21 22:25:05,963 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 9 [2023-11-21 22:25:05,963 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [666962010] [2023-11-21 22:25:05,963 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-21 22:25:05,963 INFO L753 eck$LassoCheckResult]: stem already infeasible [2023-11-21 22:25:05,964 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 22:25:05,964 INFO L85 PathProgramCache]: Analyzing trace with hash 61511628, now seen corresponding path program 4 times [2023-11-21 22:25:05,964 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-21 22:25:05,964 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1401699240] [2023-11-21 22:25:05,964 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 22:25:05,965 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 22:25:05,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-21 22:25:05,972 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-21 22:25:05,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-21 22:25:05,978 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-21 22:25:06,169 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-21 22:25:06,170 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2023-11-21 22:25:06,170 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2023-11-21 22:25:06,170 INFO L87 Difference]: Start difference. First operand 23 states and 26 transitions. cyclomatic complexity: 5 Second operand has 10 states, 9 states have (on average 2.3333333333333335) internal successors, (21), 10 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 22:25:06,227 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-21 22:25:06,227 INFO L93 Difference]: Finished difference Result 18 states and 20 transitions. [2023-11-21 22:25:06,228 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 18 states and 20 transitions. [2023-11-21 22:25:06,228 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2023-11-21 22:25:06,228 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 18 states to 0 states and 0 transitions. [2023-11-21 22:25:06,228 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2023-11-21 22:25:06,229 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2023-11-21 22:25:06,229 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2023-11-21 22:25:06,229 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-21 22:25:06,229 INFO L218 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-11-21 22:25:06,229 INFO L240 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-11-21 22:25:06,230 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-21 22:25:06,231 INFO L428 stractBuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-11-21 22:25:06,231 INFO L335 stractBuchiCegarLoop]: ======== Iteration 6 ============ [2023-11-21 22:25:06,231 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2023-11-21 22:25:06,231 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2023-11-21 22:25:06,231 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2023-11-21 22:25:06,238 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 21.11 10:25:06 BoogieIcfgContainer [2023-11-21 22:25:06,239 INFO L131 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2023-11-21 22:25:06,239 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-21 22:25:06,240 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-21 22:25:06,240 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-21 22:25:06,240 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 10:24:53" (3/4) ... [2023-11-21 22:25:06,242 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-21 22:25:06,244 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-21 22:25:06,244 INFO L158 Benchmark]: Toolchain (without parser) took 13930.14ms. Allocated memory was 132.1MB in the beginning and 192.9MB in the end (delta: 60.8MB). Free memory was 103.2MB in the beginning and 88.7MB in the end (delta: 14.5MB). Peak memory consumption was 76.7MB. Max. memory is 16.1GB. [2023-11-21 22:25:06,245 INFO L158 Benchmark]: CDTParser took 0.30ms. Allocated memory is still 107.0MB. Free memory is still 66.7MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-21 22:25:06,245 INFO L158 Benchmark]: CACSL2BoogieTranslator took 547.49ms. Allocated memory is still 132.1MB. Free memory was 102.9MB in the beginning and 86.8MB in the end (delta: 16.1MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-11-21 22:25:06,246 INFO L158 Benchmark]: Boogie Procedure Inliner took 71.41ms. Allocated memory is still 132.1MB. Free memory was 86.8MB in the beginning and 84.9MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-21 22:25:06,246 INFO L158 Benchmark]: Boogie Preprocessor took 86.07ms. Allocated memory is still 132.1MB. Free memory was 84.9MB in the beginning and 82.7MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-21 22:25:06,247 INFO L158 Benchmark]: RCFGBuilder took 430.92ms. Allocated memory is still 132.1MB. Free memory was 82.7MB in the beginning and 69.4MB in the end (delta: 13.3MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-11-21 22:25:06,247 INFO L158 Benchmark]: BuchiAutomizer took 12783.48ms. Allocated memory was 132.1MB in the beginning and 192.9MB in the end (delta: 60.8MB). Free memory was 69.0MB in the beginning and 88.7MB in the end (delta: -19.7MB). Peak memory consumption was 43.2MB. Max. memory is 16.1GB. [2023-11-21 22:25:06,248 INFO L158 Benchmark]: Witness Printer took 4.41ms. Allocated memory is still 192.9MB. Free memory is still 88.7MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-21 22:25:06,250 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.30ms. Allocated memory is still 107.0MB. Free memory is still 66.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 547.49ms. Allocated memory is still 132.1MB. Free memory was 102.9MB in the beginning and 86.8MB in the end (delta: 16.1MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 71.41ms. Allocated memory is still 132.1MB. Free memory was 86.8MB in the beginning and 84.9MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 86.07ms. Allocated memory is still 132.1MB. Free memory was 84.9MB in the beginning and 82.7MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 430.92ms. Allocated memory is still 132.1MB. Free memory was 82.7MB in the beginning and 69.4MB in the end (delta: 13.3MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * BuchiAutomizer took 12783.48ms. Allocated memory was 132.1MB in the beginning and 192.9MB in the end (delta: 60.8MB). Free memory was 69.0MB in the beginning and 88.7MB in the end (delta: -19.7MB). Peak memory consumption was 43.2MB. Max. memory is 16.1GB. * Witness Printer took 4.41ms. Allocated memory is still 192.9MB. Free memory is still 88.7MB. 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: ArrayAccessExpression #memory_int#2[~x_ref~0!base][~x_ref~0!offset] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem8 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #memory_int#2[~x_ref~0!base][0] could not be translated * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 5 terminating modules (2 trivial, 3 deterministic, 0 nondeterministic). One deterministic module has affine ranking function null and consists of 6 locations. One deterministic module has affine ranking function null and consists of 5 locations. One deterministic module has affine ranking function null and consists of 5 locations. 2 modules have a trivial ranking function, the largest among these consists of 10 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 12.7s and 6 iterations. TraceHistogramMax:2. Analysis of lassos took 11.4s. Construction of modules took 0.1s. Büchi inclusion checks took 0.9s. Highest rank in rank-based complementation 3. Minimization of det autom 1. Minimization of nondet autom 4. Automata minimization 0.0s AutomataMinimizationTime, 4 MinimizatonAttempts, 13 StatesRemovedByMinimization, 3 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had -1 states and ocurred in iteration -1. Nontrivial modules had stage [3, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 45 SdHoareTripleChecker+Valid, 0.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 45 mSDsluCounter, 89 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 45 mSDsCounter, 17 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 109 IncrementalHoareTripleChecker+Invalid, 126 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 17 mSolverCounterUnsat, 44 mSDtfsCounter, 109 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc0 concLT0 SILN0 SILU2 SILI0 SILT0 lasso3 LassoPreprocessingBenchmarks: Lassos: inital273 mio100 ax106 hnf100 lsp91 ukn75 mio100 lsp23 div100 bol100 ite100 ukn100 eq190 hnf89 smp100 dnf115 smp100 tf100 neg100 sie102 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: sat Degree: 0 Time: 250ms VariablesStem: 8 VariablesLoop: 3 DisjunctsStem: 1 DisjunctsLoop: 2 SupportingInvariants: 4 MotzkinApplications: 16 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 22:25:06,286 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57694c31-0d81-4c5e-8855-71c3b2a7cd3d/bin/uautomizer-verify-bycVGegfSx/z3 -smt2 -in SMTLIB2_COMPLIANT=true (27)] Ended with exit code 0 [2023-11-21 22:25:06,490 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57694c31-0d81-4c5e-8855-71c3b2a7cd3d/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